/* ==========================================================================
   DubSync Visual Themes:
   Theme 1: Spatial Audio & Linear Minimalist (New Default) — Obsidian & Neon Cyan
   Theme 2: Daylight Cinema — Soft Cinema White, 35mm Black & Amber Gold
   Theme 3: Acoustic Studio — Oat Milk, Dark Roast Cocoa, Studio Tangerine & Sage
   Theme 4: Warm Editorial — Paper, Terracotta, Deep Forest & Ink
   Theme 5: Observatory Dark — Midnight Teal, Signal Mint & Coral
   ========================================================================== */

/* ─── Browser Auto-Dark-Theme Opt-Out ──────────────────────────────────── */
:root, html, body {
  color-scheme: only light;
}

/* ─── Base Variables: Theme 1 — SPATIAL AUDIO & LINEAR MINIMALIST ───────── */
:root,
body.theme-spatial {
  /* Obsidian Deep Space Canvas */
  --bg-space: #07090E;
  --bg-primary: #0D111A;
  --bg-surface: #121622;
  --bg-surface-elevated: #181D2D;
  --bg-surface-hover: #1F253A;

  /* Luminous White & Sleek Slate Typography */
  --text-main: #F8FAFC;
  --text-lead: #E2E8F0;
  --text-muted: #8E9BAE;
  --text-dim: #506179;
  --border-line: rgba(255, 255, 255, 0.08);
  --border-card: rgba(99, 102, 241, 0.2);

  /* Linear Violet / Electric Indigo Accent */
  --coral-accent: #6366F1;
  --coral-hover: #4F46E5;
  --coral-glow: rgba(99, 102, 241, 0.45);

  /* Ultrasonic Neon Cyan (Waveform & Real-time Signal) */
  --signal-mint: #00F2FE;
  --signal-mint-light: #38BDF8;
  --signal-mint-glow: rgba(0, 242, 254, 0.35);
  --signal-mint-subtle: rgba(0, 242, 254, 0.1);
  --signal-mint-border: rgba(0, 242, 254, 0.3);

  /* Typography: Ultra-clean modern geometric sans */
  --font-display: 'Inter', 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'SF Mono', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  /* Atmosphere layers */
  --grid-opacity: 0.04;
  --grid-color: 99, 102, 241;
}

/* ─── Theme 2: NORDIC AUDIOPHILE & QUIET LUXURY (Bang & Olufsen Style) ───── */
body.theme-nordic {
  /* Warm Cashmere & Pebble Alabaster Canvas */
  --bg-space: #F7F5F0;
  --bg-primary: #EDEAE1;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FAF8F5;
  --bg-surface-hover: #F2EFE8;

  /* Nordic Obsidian Charcoal & Warm Slate */
  --text-main: #18191B;
  --text-lead: #2D3035;
  --text-muted: #616773;
  --text-dim: #949BA5;
  --border-line: rgba(30, 25, 20, 0.08);
  --border-card: rgba(30, 25, 20, 0.11);

  /* Brushed Champagne Gold / Bronze Accent */
  --coral-accent: #C48744;
  --coral-hover: #AB7234;
  --coral-glow: rgba(196, 135, 68, 0.28);

  /* Nordic Pine Sage (Soothing Acoustic Stream) */
  --signal-mint: #3D5A50;
  --signal-mint-light: #4E7366;
  --signal-mint-glow: rgba(61, 90, 80, 0.2);
  --signal-mint-subtle: rgba(61, 90, 80, 0.08);
  --signal-mint-border: rgba(61, 90, 80, 0.22);

  /* Typography: Elegant Humanist Serif with Clean Geometric Sans */
  --font-display: 'Fraunces', 'Newsreader', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Consolas', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Layout: Buttery soft rounded pebble curves */
  --max-width: 1200px;
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;

  /* Atmosphere layers */
  --grid-opacity: 0.02;
  --grid-color: 40, 35, 30;
}

/* ─── Theme 3: EDITORIAL CINE-POSTER (A24 / MUBI / Criterion Style) ──────── */
body.theme-cinemag {
  /* 35mm Velvet Film Black & Darkroom Charcoal */
  --bg-space: #0A0B0E;
  --bg-primary: #12141A;
  --bg-surface: #181B22;
  --bg-surface-elevated: #222630;
  --bg-surface-hover: #2A2F3D;

  /* Silver Screen White & Ecru Typography */
  --text-main: #FFFFFF;
  --text-lead: #F0EAD8;
  --text-muted: #9E9EA8;
  --text-dim: #60606D;
  --border-line: rgba(255, 255, 255, 0.1);
  --border-card: rgba(229, 169, 59, 0.25);

  /* Projector Lamp Amber Gold (Film Reel Warmth) */
  --coral-accent: #E5A93B;
  --coral-hover: #CA8D23;
  --coral-glow: rgba(229, 169, 59, 0.35);

  /* Celluloid Ruby Crimson (Film Studio REC Signal) */
  --signal-mint: #E11D48;
  --signal-mint-light: #F43F5E;
  --signal-mint-glow: rgba(225, 29, 72, 0.3);
  --signal-mint-subtle: rgba(225, 29, 72, 0.08);
  --signal-mint-border: rgba(225, 29, 72, 0.28);

  /* Typography: High-Drama Literary Serif with Sharp Cinema Sans */
  --font-display: 'Fraunces', 'Newsreader', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Consolas', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Layout: Sharp filmic cuts & letterbox containers */
  --max-width: 1200px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Atmosphere layers */
  --grid-opacity: 0.035;
  --grid-color: 229, 169, 59;
}

/* ─── Theme 4: NEO-BRUTALIST HIGH-CONTRAST AUDIO (Teenage Engineering & Retro-Pop) ── */
body.theme-brutalist {
  /* Warm Milk & Industrial Cream Canvas */
  --bg-space: #FFFDF7;
  --bg-primary: #F4EEDC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFF9E6;
  --bg-surface-hover: #FFF2C6;

  /* Jet Black High-Contrast Typography */
  --text-main: #000000;
  --text-lead: #181818;
  --text-muted: #424242;
  --text-dim: #757575;
  --border-line: #000000;
  --border-card: #000000;

  /* Electric Synth Tangerine (Primary Action) */
  --coral-accent: #FF5C00;
  --coral-hover: #E04E00;
  --coral-glow: rgba(255, 92, 0, 0.4);

  /* Cyber Acoustic Yellow & Neon Lime */
  --signal-mint: #00B894;
  --signal-mint-light: #55EFC4;
  --signal-mint-glow: rgba(0, 184, 148, 0.3);
  --signal-mint-subtle: #FFF4B8;
  --signal-mint-border: #000000;

  /* Typography: Bold, punchy Space Grotesk with Space Mono */
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Consolas', monospace;
  --font-body: 'Space Grotesk', -apple-system, sans-serif;

  /* Layout: Hard angles with slight micro-radii */
  --max-width: 1200px;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Atmosphere layers */
  --grid-opacity: 0.08;
  --grid-color: 0, 0, 0;
}

/* ─── Theme 4: WARM EDITORIAL ────────────────────────────────────────────── */
body.theme-editorial {
  /* Paper & Warm Alabaster Canvas */
  --bg-space: #FBF8F3;
  --bg-primary: #F4EDE2;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-hover: #F8F3EA;
  
  /* Ink & Typography */
  --text-main: #1C2329;
  --text-lead: #38424B;
  --text-muted: #667481;
  --text-dim: #97A4B1;
  --border-line: rgba(55, 45, 35, 0.09);
  --border-card: rgba(55, 45, 35, 0.12);

  /* Terracotta Accent (The Human Voice, Primary CTA, Warmth) */
  --coral-accent: #C85332;
  --coral-hover: #AF4426;
  --coral-glow: rgba(200, 83, 50, 0.24);

  /* Deep Forest / Sage (Knowledge, Academic Signal, Waveform) */
  --signal-mint: #245842;
  --signal-mint-light: #34765A;
  --signal-mint-glow: rgba(36, 88, 66, 0.16);
  --signal-mint-subtle: rgba(36, 88, 66, 0.08);
  --signal-mint-border: rgba(36, 88, 66, 0.24);

  /* Fonts */
  --font-display: 'Fraunces', 'Newsreader', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Consolas', monospace;
  --font-body: 'Inter', -apple-system, sans-serif;

  /* Layout */
  --max-width: 1200px;
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Atmosphere layers */
  --grid-opacity: 0.025;
  --grid-color: 40, 30, 20;
}

/* ─── Theme 2: DAYLIGHT CINEMA (MUBI / Criterion Style) ───────────────────── */
body.theme-cinema {
  /* Soft Cinema White / Gallery Ash */
  --bg-space: #F5F6F8;
  --bg-primary: #EBEDF2;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-hover: #F0F2F7;
  
  /* Deep Obsidian / 35mm Film Black */
  --text-main: #0E1318;
  --text-lead: #26303B;
  --text-muted: #596775;
  --text-dim: #8A98A6;
  --border-line: rgba(14, 19, 24, 0.08);
  --border-card: rgba(14, 19, 24, 0.11);

  /* Amber Gold (Projector Lamp, Film Reel, Warm Human Light) */
  --coral-accent: #D97706;
  --coral-hover: #B45309;
  --coral-glow: rgba(217, 119, 6, 0.28);

  /* Cadet Slate Blue (Criterion / Modern Cinema Audio Stream) */
  --signal-mint: #2B4A6F;
  --signal-mint-light: #3D6494;
  --signal-mint-glow: rgba(43, 74, 111, 0.2);
  --signal-mint-subtle: rgba(43, 74, 111, 0.08);
  --signal-mint-border: rgba(43, 74, 111, 0.22);

  /* Typography: Razor-sharp Modern Sans-Serif */
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;

  --grid-opacity: 0.025;
  --grid-color: 20, 30, 45;
}

/* ─── Theme 3: ACOUSTIC STUDIO (Teenage Engineering & Vinyl Warmth) ──────── */
body.theme-studio {
  /* Oat Milk / Warm Sand / Tactile Paper */
  --bg-space: #EEE7DB;
  --bg-primary: #E3D9CA;
  --bg-surface: #FAF6EE;
  --bg-surface-elevated: #FAF6EE;
  --bg-surface-hover: #F1E9DC;
  
  /* Dark Roast Cocoa / Warm Charcoal */
  --text-main: #241B14;
  --text-lead: #3F3127;
  --text-muted: #6F5F53;
  --text-dim: #9F8E80;
  --border-line: rgba(50, 35, 20, 0.09);
  --border-card: rgba(50, 35, 20, 0.13);

  /* Studio Tangerine / Analog Knob Orange */
  --coral-accent: #E8592A;
  --coral-hover: #CD471A;
  --coral-glow: rgba(232, 89, 42, 0.28);

  /* Muted Studio Sage / Warm Olive (Acoustic Foam & Vintage Equipment) */
  --signal-mint: #4D6B57;
  --signal-mint-light: #5E8069;
  --signal-mint-glow: rgba(77, 107, 87, 0.2);
  --signal-mint-subtle: rgba(77, 107, 87, 0.08);
  --signal-mint-border: rgba(77, 107, 87, 0.22);

  /* Typography: Humanist, warm, tactile */
  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Space Grotesk', -apple-system, sans-serif;

  --grid-opacity: 0.03;
  --grid-color: 60, 40, 20;
}

/* ─── Theme 4: OBSERVATORY TEAL (Optional Dark Switch) ────────────────────── */
body.theme-observatory {
  --bg-space: #030c10;
  --bg-primary: #051419;
  --bg-surface: #081d24;
  --bg-surface-elevated: #0c2730;
  --bg-surface-hover: #123440;
  
  --text-main: #f0f7f8;
  --text-lead: #d2e4e8;
  --text-muted: #7e9ca4;
  --text-dim: #4b666e;
  --border-line: rgba(255, 255, 255, 0.08);
  --border-card: rgba(0, 245, 160, 0.14);

  --coral-accent: #ff553e;
  --coral-hover: #ff6e59;
  --coral-glow: rgba(255, 85, 62, 0.35);

  --signal-mint: #00f5a0;
  --signal-mint-light: #6affd0;
  --signal-mint-glow: rgba(0, 245, 160, 0.28);
  --signal-mint-subtle: rgba(0, 245, 160, 0.08);
  --signal-mint-border: rgba(0, 245, 160, 0.25);

  --font-display: 'Space Grotesk', -apple-system, sans-serif;

  --grid-opacity: 0.035;
  --grid-color: 0, 245, 160;
}

/* ─── Global Reset & Body ─────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-space);
  color: var(--text-main);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.observatory-theme {
  font-family: var(--font-body);
  line-height: 1.6;
  background-color: var(--bg-space);
  color: var(--text-main);
  overflow-x: clip;
  position: relative;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-space);
}
::-webkit-scrollbar-thumb {
  background: rgba(100, 110, 120, 0.25);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--coral-accent);
}

/* Background Atmosphere */
.observatory-bg {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(var(--grid-color), var(--grid-opacity)) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(var(--grid-color), var(--grid-opacity)) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 25%, black 45%, transparent 85%);
  -webkit-mask-image: radial-gradient(circle at 50% 25%, black 45%, transparent 85%);
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.6;
}

body.theme-editorial .glow-top {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 380px;
  background: radial-gradient(circle, rgba(200, 83, 50, 0.08) 0%, transparent 70%);
}

body.theme-editorial .glow-center {
  top: 35%;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(36, 88, 66, 0.06) 0%, transparent 70%);
}

body.theme-editorial .glow-bottom {
  bottom: 0;
  left: 10%;
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(230, 215, 195, 0.5) 0%, transparent 70%);
}

/* Daylight Cinema glow layers */
body.theme-cinema .glow-top {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 380px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.08) 0%, transparent 70%);
}

body.theme-cinema .glow-center {
  top: 35%;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(43, 74, 111, 0.07) 0%, transparent 70%);
}

body.theme-cinema .glow-bottom {
  bottom: 0;
  left: 10%;
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(235, 238, 245, 0.6) 0%, transparent 70%);
}

/* Acoustic Studio glow layers */
body.theme-studio .glow-top {
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 380px;
  background: radial-gradient(circle, rgba(232, 89, 42, 0.08) 0%, transparent 70%);
}

body.theme-studio .glow-center {
  top: 35%;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(77, 107, 87, 0.07) 0%, transparent 70%);
}

body.theme-studio .glow-bottom {
  bottom: 0;
  left: 10%;
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(225, 215, 200, 0.5) 0%, transparent 70%);
}

/* Observatory Dark glow fallbacks */
body.theme-observatory .glow-top {
  background: radial-gradient(circle, rgba(0, 245, 160, 0.14) 0%, transparent 70%);
}
body.theme-observatory .glow-center {
  background: radial-gradient(circle, rgba(12, 55, 66, 0.45) 0%, transparent 70%);
}
body.theme-observatory .glow-bottom {
  background: radial-gradient(circle, rgba(255, 85, 62, 0.09) 0%, transparent 70%);
}

/* Spatial Audio Aurora Glow Layers */
body.theme-spatial .glow-top {
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 520px;
  background: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.25) 0%, rgba(0, 242, 254, 0.12) 40%, transparent 70%);
}
body.theme-spatial .glow-center {
  top: 35%;
  right: -120px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.16) 0%, rgba(0, 242, 254, 0.08) 45%, transparent 70%);
}
body.theme-spatial .glow-bottom {
  bottom: -80px;
  left: 15%;
  width: 750px;
  height: 450px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18) 0%, transparent 70%);
}

/* Nordic Audiophile Warm Amber & Pine Glow Layers */
body.theme-nordic .glow-top {
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 850px;
  height: 460px;
  background: radial-gradient(circle, rgba(196, 135, 68, 0.11) 0%, rgba(61, 90, 80, 0.05) 50%, transparent 70%);
}
body.theme-nordic .glow-center {
  top: 35%;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(61, 90, 80, 0.08) 0%, transparent 70%);
}
body.theme-nordic .glow-bottom {
  bottom: 0;
  left: 10%;
  width: 700px;
  height: 450px;
  background: radial-gradient(circle, rgba(235, 230, 220, 0.6) 0%, transparent 70%);
}

/* Cine-Mag Theatrical Projector Beam Glow Layers */
body.theme-cinemag .glow-top {
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 950px;
  height: 540px;
  background: radial-gradient(ellipse at 50% 0%, rgba(229, 169, 59, 0.2) 0%, rgba(225, 29, 72, 0.08) 50%, transparent 75%);
}
body.theme-cinemag .glow-center {
  top: 35%;
  right: -100px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.09) 0%, rgba(229, 169, 59, 0.05) 50%, transparent 70%);
}
body.theme-cinemag .glow-bottom {
  bottom: 0;
  left: 10%;
  width: 750px;
  height: 450px;
  background: radial-gradient(circle, rgba(229, 169, 59, 0.12) 0%, transparent 70%);
}

/* Neo-Brutalist Electric Halftone Glow Layers */
body.theme-brutalist .glow-top {
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 480px;
  background: radial-gradient(circle, rgba(255, 230, 0, 0.22) 0%, rgba(255, 92, 0, 0.1) 45%, transparent 70%);
}
body.theme-brutalist .glow-center {
  top: 35%;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.12) 0%, rgba(255, 230, 0, 0.08) 50%, transparent 70%);
}
body.theme-brutalist .glow-bottom {
  bottom: 0;
  left: 10%;
  width: 700px;
  height: 450px;
  background: radial-gradient(circle, rgba(255, 230, 0, 0.16) 0%, transparent 70%);
}

/* Common Layout Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Header & Telemetry Bar
   ========================================================================== */

.observatory-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 248, 243, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-line);
  transition: background 0.3s ease, border-color 0.3s ease;
}

body.theme-observatory .observatory-header {
  background: rgba(4, 18, 23, 0.88);
}

body.theme-spatial .observatory-header {
  background: rgba(7, 9, 14, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.theme-nordic .observatory-header {
  background: rgba(247, 245, 240, 0.9);
  border-bottom: 1px solid rgba(30, 25, 20, 0.07);
}

body.theme-cinemag .observatory-header {
  background: rgba(10, 11, 14, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
}

body.theme-brutalist .observatory-header {
  background: #FFFDF7;
  border-bottom: 2.5px solid #000000;
}

.telemetry-bar {
  background: rgba(244, 237, 226, 0.95);
  border-bottom: 1px solid var(--border-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 6px 0;
}

body.theme-observatory .telemetry-bar {
  background: rgba(2, 10, 14, 0.96);
}

body.theme-spatial .telemetry-bar {
  background: rgba(13, 17, 26, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

body.theme-nordic .telemetry-bar {
  background: rgba(237, 234, 225, 0.95);
  border-bottom: 1px solid rgba(30, 25, 20, 0.06);
}

body.theme-cinemag .telemetry-bar {
  background: rgba(14, 16, 21, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

body.theme-brutalist .telemetry-bar {
  background: #FFE600;
  border-bottom: 2px solid #000000;
  color: #000000;
  font-weight: 700;
}

body.theme-brutalist .telemetry-label {
  color: #000000;
  opacity: 0.8;
}

body.theme-brutalist .telemetry-value {
  color: #000000;
  font-weight: 800;
}

.telemetry-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.ms-auto {
  margin-left: auto;
}

.telemetry-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.telemetry-label {
  color: var(--text-dim);
}

.telemetry-value {
  color: var(--text-muted);
}

.signal-text {
  color: var(--signal-mint);
  font-weight: 700;
}

.signal-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background-color: var(--signal-mint);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--signal-mint);
  animation: signalPulse 2s infinite ease-in-out;
}

@keyframes signalPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.85); }
}

/* Navigation Bar */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-icon-wrapper {
  width: 48px;
  height: 48px;
  background: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-card);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
}

.brand-icon {
  width: 33px;
  height: 33px;
  object-fit: contain;
}

.brand-naming {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--coral-accent);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-muted);
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--coral-accent);
  opacity: 0.8;
}

.nav-link:hover {
  color: var(--text-main);
}

/* Telemetry Controls & Language Switcher */
.telemetry-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch-wrap {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid var(--border-line);
  padding: 2px 3px;
  border-radius: 16px;
  gap: 2px;
}

.lang-pill-btn {
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  padding: 3px 8px;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.lang-pill-btn:hover {
  color: var(--text-main);
}

.lang-pill-btn.active {
  background: var(--coral-accent);
  color: #FFFFFF;
  box-shadow: 0 1px 6px var(--coral-glow);
}

body.theme-brutalist .lang-switch-wrap {
  background: #FFFFFF;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  border-radius: 4px;
}

body.theme-brutalist .lang-pill-btn {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .lang-pill-btn.active {
  background: #000000;
  color: #FFE600;
  border-radius: 2px;
}

body.theme-nordic .lang-pill-btn.active {
  background: #C48744;
  color: #FFFFFF;
}

body.theme-cinemag .lang-pill-btn.active {
  background: #E5A93B;
  color: #0A0B0E;
}

body.theme-spatial .lang-pill-btn.active {
  background: #6366F1;
  color: #FFFFFF;
}

/* Theme Switcher Toggle */
.theme-switch-wrap {
  display: inline-flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-line);
  padding: 2px 6px;
  border-radius: 20px;
  gap: 3px;
}

.theme-switch-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  color: var(--text-dim);
  padding-left: 4px;
  padding-right: 4px;
  letter-spacing: 0.1em;
}

body.theme-observatory .theme-switch-wrap {
  background: rgba(255, 255, 255, 0.06);
}

body.theme-spatial .theme-switch-wrap {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

body.theme-spatial .theme-switch-label {
  color: #8E9BAE;
}

body.theme-spatial .theme-pill-btn.active {
  background: rgba(99, 102, 241, 0.28);
  color: #F8FAFC;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.35);
  border: 1px solid rgba(99, 102, 241, 0.45);
}

body.theme-nordic .theme-switch-wrap {
  background: rgba(30, 25, 20, 0.05);
  border-color: rgba(30, 25, 20, 0.08);
}

body.theme-nordic .theme-switch-label {
  color: #616773;
}

body.theme-nordic .theme-pill-btn.active {
  background: #FFFFFF;
  color: #18191B;
  box-shadow: 0 2px 8px rgba(30, 25, 20, 0.08);
}

body.theme-cinemag .theme-switch-wrap {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(229, 169, 59, 0.3);
}

body.theme-cinemag .theme-switch-label {
  color: #E5A93B;
}

body.theme-cinemag .theme-pill-btn.active {
  background: #E5A93B;
  color: #0A0B0E;
  font-weight: 800;
  box-shadow: 0 0 14px rgba(229, 169, 59, 0.4);
}

body.theme-brutalist .theme-switch-wrap {
  background: #FFFFFF;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  border-radius: 6px;
}

body.theme-brutalist .theme-switch-label {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .theme-pill-btn {
  color: #000000;
  font-weight: 700;
}

body.theme-brutalist .theme-pill-btn.active {
  background: #000000;
  color: #FFE600;
  font-weight: 800;
  border-radius: 4px;
}

.theme-pill-btn {
  background: transparent;
  border: none;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.theme-pill-btn svg {
  display: block;
  stroke: currentColor;
  flex-shrink: 0;
}

.theme-pill-btn.active {
  background: var(--bg-surface);
  color: var(--text-main);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.btn-nav-cta {
  background: var(--coral-accent);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px var(--coral-glow);
}

.btn-nav-cta:hover {
  background: var(--coral-hover);
  transform: translateY(-1px);
}

.btn-mint-pulse {
  width: 6px;
  height: 6px;
  background-color: #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 6px #FFFFFF;
}

/* ==========================================================================
   Section Components & Typography
   ========================================================================== */

.page-body {
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
  position: relative;
  border-bottom: 1px solid var(--border-line);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 5px 12px;
  background: var(--signal-mint-subtle);
  border: 1px solid var(--signal-mint-border);
  border-radius: var(--radius-sm);
  color: var(--signal-mint);
  margin-bottom: 24px;
}

.tag-divider {
  opacity: 0.35;
}

.tag-name {
  color: var(--text-muted);
}

.tag-highlight {
  color: var(--coral-accent);
  font-weight: 700;
}

.tag-center {
  margin-left: auto;
  margin-right: auto;
  display: table;
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw + 0.4rem, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 16px;
}

.headline-light {
  color: var(--text-muted);
  font-weight: 400;
  font-style: italic;
}

.signal-headline {
  color: var(--signal-mint);
}

.coral-headline {
  color: var(--coral-accent);
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 650px;
  line-height: 1.6;
}

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-coral {
  background-color: var(--coral-accent);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--coral-glow);
}

.btn-coral:hover {
  background-color: var(--coral-hover);
  box-shadow: 0 6px 24px rgba(200, 83, 50, 0.4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-card);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: var(--coral-accent);
  color: var(--coral-accent);
}

.btn-lg {
  padding: 18px 38px;
  font-size: 16px;
  letter-spacing: 0.05em;
}

.btn-arrow {
  font-size: 16px;
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translate(2px, -2px);
}

/* ==========================================================================
   01 / HERO SECTION (Warm Editorial Styling)
   ========================================================================== */

.hero-section {
  padding: 80px 0 110px 0;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 4.2vw + 0.5rem, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.hero-subphrase {
  margin-bottom: 24px;
}

.vietnamese-echo {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--coral-accent);
  letter-spacing: 0.06em;
  padding: 4px 0;
  border-bottom: 1px dashed rgba(200, 83, 50, 0.35);
  font-weight: 500;
}

.hero-lead {
  font-size: 21px;
  font-weight: 400;
  color: var(--text-lead);
  line-height: 1.5;
  margin-bottom: 16px;
  font-family: var(--font-display);
}

.hero-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  max-width: 560px;
}

.honest-pill {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-surface);
  border-left: 3px solid var(--signal-mint);
  border: 1px solid var(--border-line);
  border-left-width: 4px;
  border-left-color: var(--signal-mint);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.5;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.02);
}

.honest-icon {
  color: var(--signal-mint);
  font-size: 14px;
  line-height: 1.4;
  flex-shrink: 0;
}

.honest-content strong {
  color: var(--text-main);
  display: block;
  margin-bottom: 2px;
}

.hero-cta-group {
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.cta-micro-guarantee {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.micro-check {
  color: var(--signal-mint);
  font-weight: 700;
}

.micro-sep {
  opacity: 0.4;
}

.telemetry-specs {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.spec-node {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.spec-val {
  color: var(--signal-mint);
  font-weight: 700;
}

.spec-sep {
  color: var(--border-line);
}

/* ==========================================================================
   Hero Deck: Observatory Receiver Terminal (Warm Editorial Mode)
   ========================================================================== */

.hero-deck {
  position: relative;
}

.observatory-terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 
    0 16px 40px rgba(50, 40, 30, 0.08),
    0 2px 6px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

body.theme-observatory .observatory-terminal {
  box-shadow: 
    0 24px 60px rgba(0, 0, 0, 0.65),
    0 0 32px rgba(0, 245, 160, 0.12);
}

body.theme-spatial .observatory-terminal {
  background: rgba(14, 18, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 
    0 24px 80px rgba(0, 0, 0, 0.75),
    0 0 40px rgba(99, 102, 241, 0.16),
    inset 0 1px 1px rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(24px);
}

.terminal-frame-header {
  background: var(--bg-primary);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
}

body.theme-spatial .terminal-frame-header {
  background: rgba(10, 13, 20, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot-r { background: #d96352; }
.dot-y { background: #e09f3e; }
.dot-g { background: #3d8b63; }

.terminal-title {
  color: var(--text-muted);
}

.terminal-rec {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--coral-accent);
  font-weight: 700;
}

.rec-dot {
  width: 6px;
  height: 6px;
  background-color: var(--coral-accent);
  border-radius: 50%;
  animation: signalPulse 1.2s infinite ease-in-out;
}

.terminal-display {
  padding: 18px;
}

.video-canvas-container {
  background: #141A1E;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  margin-bottom: 14px;
}

.video-cinematic-bg {
  padding: 16px 18px;
  background: radial-gradient(circle at 75% 25%, #243138 0%, #11171B 90%);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #FFFFFF;
}

.video-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
}

.video-badge-source {
  color: #9AA7B1;
}

.video-duration {
  color: #D2DCE4;
}

.visualizer-field {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 10px 0;
  gap: 6px;
}

#waveformCanvas {
  width: 100%;
  max-width: 440px;
  height: 60px;
  display: block;
}

.visualizer-hint {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--signal-mint);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

body.theme-editorial .visualizer-hint {
  color: #6affd0;
}

.caption-stream-overlay {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(14, 20, 24, 0.88);
  backdrop-filter: blur(8px);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stream-source-text, .stream-dubbed-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.badge-lang-src {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.15);
  color: #BAC7D2;
  border-radius: 2px;
  flex-shrink: 0;
}

.badge-lang-tgt {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 6px;
  background: var(--coral-accent);
  color: #FFFFFF;
  font-weight: 700;
  border-radius: 2px;
  flex-shrink: 0;
}

.text-source {
  color: #8D9BA6;
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.text-translated {
  color: #FFFFFF;
  font-weight: 500;
  font-size: 12px;
  transition: opacity 0.2s ease;
}

/* Floating DubSync Controller in Mockup */
.observatory-controller {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.controller-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-line);
}

.ctrl-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.ctrl-mode {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--signal-mint);
  font-weight: 700;
}

.ctrl-row {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 12px;
  margin-bottom: 12px;
}

.control-unit {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ctrl-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.terminal-select {
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s;
}

.terminal-select:focus {
  border-color: var(--coral-accent);
}

.mode-toggle {
  display: flex;
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.mode-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 5px 6px;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.2s;
}

.mode-btn.active {
  background: var(--coral-accent);
  color: #FFFFFF;
  font-weight: 700;
}

.ctrl-ducking-row {
  margin-bottom: 12px;
}

.ducking-info {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  margin-bottom: 6px;
}

.duck-label {
  color: var(--text-dim);
}

.duck-value {
  color: var(--coral-accent);
  font-weight: 700;
}

.terminal-slider {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

body.theme-observatory .terminal-slider {
  background: rgba(255, 255, 255, 0.08);
}

body.theme-spatial .terminal-slider {
  background: rgba(255, 255, 255, 0.08);
}

.terminal-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--coral-accent);
  box-shadow: 0 0 8px var(--coral-glow);
  cursor: pointer;
}

.ctrl-audition-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--signal-mint-subtle);
  border: 1px dashed var(--signal-mint-border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.btn-audition {
  background: var(--signal-mint);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

body.theme-observatory .btn-audition {
  color: #030d11;
}

body.theme-spatial .btn-audition {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(99, 102, 241, 0.15));
  border: 1px solid rgba(0, 242, 254, 0.35);
  color: #00F2FE;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.18);
}

body.theme-spatial .btn-audition:hover {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.28), rgba(99, 102, 241, 0.28));
  border-color: rgba(0, 242, 254, 0.7);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.4);
}

.btn-audition:hover {
  background: var(--coral-accent);
}

.audition-icon {
  font-size: 10px;
}

.audition-note {
  font-size: 11px;
  color: var(--text-dim);
}

.controller-bottom {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  text-align: center;
}

/* ==========================================================================
   02 / EMOTIONAL HOOK: THE INTERNET IS BIGGER THAN YOUR LANGUAGE
   ========================================================================== */

.hook-section {
  background: var(--bg-space);
}

.hook-header {
  margin-bottom: 48px;
}

.observatory-lenses-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}

.lens-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 40px;
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.lens-panel:hover {
  border-color: var(--coral-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(50, 40, 30, 0.06);
}

.lens-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-line);
}

.lens-coord {
  color: var(--text-dim);
}

.lens-signal {
  color: var(--coral-accent);
  font-weight: 700;
}

.lens-icon-box {
  width: 54px;
  height: 54px;
  background: var(--signal-mint-subtle);
  border: 1px solid var(--signal-mint-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--signal-mint);
  margin-bottom: 24px;
}

.lens-title {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.2;
}

.lens-description {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 24px;
  flex-grow: 1;
}

.lens-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--text-lead);
  border-left: 3px solid var(--coral-accent);
  padding-left: 14px;
  line-height: 1.5;
}

/* Comparison Micro-Module (Editorial Double-Column Spread) */
.experience-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.comp-col {
  padding: 8px;
}

.comp-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #D95338;
  margin-bottom: 14px;
  font-weight: 700;
}

.comp-badge-mint {
  color: var(--signal-mint);
}

.comp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.comp-before .comp-list li::before {
  content: "✕ ";
  color: #D95338;
  font-weight: bold;
}

.comp-after .comp-list li::before {
  content: "✓ ";
  color: var(--signal-mint);
  font-weight: bold;
}

.comp-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.comp-vs {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-primary);
  padding: 8px 12px;
  border-radius: 50%;
  border: 1px solid var(--border-line);
}

/* ==========================================================================
   03 / PRODUCT DEMONSTRATION: FROM THEIR WORDS TO YOUR WORLD
   ========================================================================== */

.demo-section {
  background: var(--bg-primary);
}

.demo-header {
  margin-bottom: 48px;
}

.process-sequence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.process-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.process-card:hover {
  border-color: var(--coral-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(50, 40, 30, 0.05);
}

.process-card.highlight-card {
  border-color: var(--coral-accent);
  box-shadow: 0 8px 28px var(--coral-glow);
}

.process-step-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: rgba(50, 40, 30, 0.08);
  position: absolute;
  top: 18px;
  right: 24px;
  line-height: 1;
}

body.theme-observatory .process-step-num {
  color: rgba(255, 255, 255, 0.08);
}

.process-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--coral-accent);
  font-weight: 700;
  margin-bottom: 14px;
}

.process-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.25;
}

.process-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.process-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  border-top: 1px solid var(--border-line);
  padding-top: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pill-dot {
  width: 5px;
  height: 5px;
  background: var(--text-dim);
  border-radius: 50%;
}

.signal-pill {
  color: var(--signal-mint);
  font-weight: 700;
}

.pill-dot-mint {
  width: 6px;
  height: 6px;
  background: var(--signal-mint);
  border-radius: 50%;
}

/* Honesty Box */
.honesty-manifesto-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-left: 4px solid var(--coral-accent);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  position: relative;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.manifesto-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.manifesto-symbol {
  color: var(--coral-accent);
}

.manifesto-header h4 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-main);
}

.manifesto-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.manifesto-text strong {
  color: var(--text-main);
}

/* ==========================================================================
   04 / PRODUCT DIFFERENTIATION: YOUR VIDEO. YOUR PACE. YOUR LANGUAGE.
   ========================================================================== */

.diff-section {
  background: var(--bg-space);
}

.diff-header {
  margin-bottom: 48px;
}

.differentiation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.diff-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.diff-card:hover {
  border-color: var(--coral-accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(50, 40, 30, 0.06);
}

.diff-card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.diff-card-icon {
  width: 44px;
  height: 44px;
  background: var(--signal-mint-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--signal-mint);
  margin-bottom: 20px;
}

.diff-card-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}

.diff-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.diff-indicator {
  height: 2px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 1px;
  overflow: hidden;
}

body.theme-observatory .diff-indicator {
  background: rgba(255, 255, 255, 0.05);
}

.indicator-bar {
  display: block;
  height: 100%;
  background: var(--coral-accent);
  opacity: 0.7;
}

/* ==========================================================================
   SUPPORTED PLATFORMS
   ========================================================================== */

.platforms-section {
  padding: 70px 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-line);
}

.platform-meta-tag {
  text-align: center;
  margin-bottom: 12px;
}

.plat-status {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--coral-accent);
  font-weight: 700;
}

.platforms-intro {
  text-align: center;
  margin-bottom: 36px;
}

.platforms-headline {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
}

.platforms-sub {
  font-size: 14px;
  color: var(--text-muted);
}

.platform-logos-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.plat-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
}

.plat-item:hover {
  border-color: var(--coral-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(50, 40, 30, 0.08);
}

.plat-logo-wrap {
  width: 100%;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
}

.plat-logo {
  display: block;
  max-width: 68px;
  max-height: 34px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: none;
  opacity: 1;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
}

.plat-item:hover .plat-logo {
  transform: scale(1.1);
}

/* Optical sizing per logo type to standardize visual weight & presence */
.plat-logo.plat-logo--square,
.plat-logo[src*="coursera"],
.plat-logo[src*="edx"],
.plat-logo[src*="khanacademy"],
.plat-logo[src*="pbs"],
.plat-logo[src*="plex"],
.plat-logo[src*="tv5monde"],
.plat-logo[src*="wetv"] {
  height: 31px;
  width: 31px;
  max-height: 31px;
  max-width: 31px;
}

/* FshareTV: raster PNG with inner margins scaled 1.5x (~56px) for clear optical visibility */
.plat-logo.plat-logo--fsharetv,
.plat-logo[src*="fsharetv"] {
  height: 56px;
  width: 56px;
  max-height: 56px;
  max-width: 56px;
}

.plat-logo.plat-logo--vimeo,
.plat-logo[src*="vimeo"] {
  height: 28px;
  width: 28px;
  max-height: 28px;
  max-width: 28px;
}

.plat-logo.plat-logo--youtube,
.plat-logo[src*="youtube-site"] {
  height: 25px;
  max-height: 25px;
  max-width: 38px;
}

.plat-logo.plat-logo--shorts,
.plat-logo[src*="youtube-shorts"] {
  height: 33px;
  max-height: 33px;
  max-width: 30px;
}

.plat-logo.plat-logo--tall,
.plat-logo.plat-logo--udemy,
.plat-logo[src*="udemy"] {
  height: 38px;
  max-height: 38px;
  max-width: 32px;
}

/* Al Jazeera: intricate flame calligraphy with tapered top needs more vertical presence (~42px) */
.plat-logo.plat-logo--aljazeera,
.plat-logo[src*="aljazeera"] {
  height: 42px;
  max-height: 42px;
  max-width: 36px;
}

.plat-logo.plat-logo--wide,
.plat-logo.plat-logo--iqiyi,
.plat-logo[src*="iqiyi"] {
  height: 20px;
  max-height: 20px;
  max-width: 64px;
}

.plat-logo.plat-logo--ted,
.plat-logo[src*="ted"] {
  height: 21px;
  max-height: 21px;
  max-width: 58px;
}

.plat-name {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}

.plat-spec {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
}

/* Platforms Section — Mobile Extension Callout */
.platforms-mobile-card {
  margin-top: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.plat-mobile-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  background: var(--signal-mint-subtle);
  color: var(--signal-mint);
  border: 1px solid var(--signal-mint-border);
  padding: 4px 12px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.plat-mobile-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-mint);
  box-shadow: 0 0 6px var(--signal-mint);
}

.plat-mobile-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.plat-mobile-text {
  flex: 1;
}

.plat-mobile-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.plat-mobile-desc {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
}

.plat-mobile-browsers {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.mobile-browser-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-browser-chip:hover {
  border-color: var(--coral-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.mbc-icon {
  font-size: 20px;
  line-height: 1;
}

.mbc-logo {
  width: 35px;
  height: 35px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  display: block;
}

.mbc-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mbc-name {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}

.mbc-sub {
  font-size: 11px;
  color: var(--text-dim);
}

@media (max-width: 860px) {
  .plat-mobile-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
}

@media (max-width: 540px) {
  .platforms-mobile-card {
    padding: 18px 16px;
  }
  .plat-mobile-browsers {
    flex-direction: column;
    width: 100%;
  }
}

/* ==========================================================================
   05 / FINAL CTA SECTION
   ========================================================================== */

.final-cta-section {
  padding: 120px 0;
  background: var(--bg-space);
  text-align: center;
}

.cta-container {
  max-width: 840px;
}

.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.8vw + 0.5rem, 3.25rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 18px;
}

.cta-sub {
  font-size: 20px;
  color: var(--text-lead);
  margin-bottom: 10px;
  font-family: var(--font-display);
}

.cta-lead-action {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.cta-action-wrap {
  margin-bottom: 28px;
}

.cta-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.sep-dot {
  color: var(--coral-accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.observatory-footer {
  background: var(--bg-primary);
  padding: 64px 0 36px 0;
  border-top: 2px solid var(--border-line);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-desc {
  font-size: 15px;
  color: var(--text-lead);
  font-weight: 500;
  line-height: 1.65;
  margin: 16px 0 18px 0;
  max-width: 420px;
}

.footer-station-id {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--coral-accent);
  letter-spacing: 0.08em;
  font-weight: 700;
}

.footer-nav-title {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.08em;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.footer-col-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-lead);
  text-decoration: none;
  transition: color 0.15s ease, transform 0.15s ease;
}

.footer-col-nav a:hover {
  color: var(--coral-accent);
  transform: translateX(2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1.5px solid var(--border-line);
  font-size: 13px;
  color: var(--text-muted);
  gap: 16px;
}

.copyright {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-muted);
  font-weight: 500;
}

.back-to-top a {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
}

.back-to-top a:hover {
  color: var(--coral-accent);
}

/* ==========================================================================
   INSTALL MODAL
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(28, 35, 41, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 560px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.18);
  overflow: hidden;
  transform: translateY(16px);
  transition: transform 0.25s ease;
}

.modal-backdrop.active .modal-box {
  transform: translateY(0);
}

.modal-header {
  padding: 16px 20px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-title-row h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-main);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 24px 20px;
}

.modal-intro {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

.download-channels {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.channel-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.channel-card:hover {
  border-color: var(--coral-accent);
  background: var(--bg-surface-hover);
  box-shadow: 0 2px 12px rgba(200, 83, 50, 0.08);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coral-accent);
  flex-shrink: 0;
}

.channel-icon svg {
  display: block;
  stroke: currentColor;
}

.channel-details {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.channel-name {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.channel-sub {
  font-size: 11px;
  color: var(--text-dim);
}

.channel-action {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--coral-accent);
  letter-spacing: 0.06em;
}

.quick-install-guide {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 14px;
  border-left: 3px solid var(--coral-accent);
}

.quick-install-guide h5 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--coral-accent);
  margin-bottom: 8px;
}

.quick-install-guide ol {
  padding-left: 18px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.quick-install-guide code {
  background: rgba(0, 0, 0, 0.06);
  padding: 2px 5px;
  border-radius: 2px;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.modal-android-tip {
  margin-top: 14px;
  background: var(--signal-mint-subtle);
  border: 1px dashed var(--signal-mint-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.android-tip-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--signal-mint);
  margin-bottom: 4px;
  letter-spacing: 0.05em;
}

.android-tip-icon {
  font-size: 14px;
}

.modal-android-tip p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.modal-footer {
  padding: 12px 20px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-footnote {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}

.modal-cancel {
  padding: 8px 16px;
  font-size: 12px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .observatory-lenses-grid {
    grid-template-columns: 1fr;
  }

  .differentiation-grid {
    grid-template-columns: 1fr 1fr;
  }

  .platform-logos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .experience-comparison {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .comp-divider {
    display: none;
  }
}

@media (max-width: 768px) {
  .page-body {
    padding-bottom: 96px;
  }

  .nav-bar {
    padding-top: 10px;
    padding-bottom: 10px;
    gap: 12px;
  }

  .brand-icon-wrapper {
    width: 38px;
    height: 38px;
    border-radius: 8px;
  }

  .brand-icon {
    width: 25px;
    height: 25px;
  }

  .brand-title {
    font-size: 16px;
  }

  .brand-tagline {
    font-size: 8px;
  }

  .btn-nav-cta {
    padding: 7px 12px;
    font-size: 11px;
    letter-spacing: 0.02em;
  }

  .telemetry-item {
    display: none;
  }
  .telemetry-bar {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .telemetry-bar::-webkit-scrollbar {
    display: none;
  }
  .telemetry-inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 12px;
  }
  .telemetry-controls {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
  }
  .theme-switch-wrap {
    overflow-x: auto;
    scrollbar-width: none;
    max-width: calc(100vw - 100px);
  }
  .theme-switch-wrap::-webkit-scrollbar {
    display: none;
  }

  .hide-mobile {
    display: none;
  }

  .nav-links {
    display: none;
  }

  .hero-headline {
    font-size: 40px;
  }

  .section-headline {
    font-size: 32px;
  }

  .cta-headline {
    font-size: 34px;
  }

  .process-sequence {
    grid-template-columns: 1fr;
  }

  .differentiation-grid {
    grid-template-columns: 1fr;
  }

  .platform-logos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-guarantee {
    flex-direction: column;
    gap: 6px;
  }

  .sep-dot {
    display: none;
  }

  .ctrl-row {
    grid-template-columns: 1fr;
  }

  .ctrl-audition-row {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
}

/* ==========================================================================
   THEME 1: SPATIAL AUDIO & LINEAR MINIMALIST — HIGH-END AESTHETICS
   ========================================================================== */

body.theme-spatial {
  /* Subtle glass card treatment */
  --card-bg: rgba(14, 18, 28, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(99, 102, 241, 0.4);
}

body.theme-spatial .section-headline,
body.theme-spatial .hero-headline,
body.theme-spatial .cta-headline {
  letter-spacing: -0.035em;
  font-family: var(--font-display);
}

body.theme-spatial .signal-headline {
  background: linear-gradient(135deg, #00F2FE 0%, #38BDF8 40%, #818CF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  filter: drop-shadow(0 0 24px rgba(0, 242, 254, 0.25));
}

body.theme-spatial .coral-headline {
  background: linear-gradient(135deg, #A78BFA 0%, #6366F1 50%, #00F2FE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  filter: drop-shadow(0 0 24px rgba(99, 102, 241, 0.3));
}

body.theme-spatial .section-tag {
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.25);
  color: #818CF8;
  backdrop-filter: blur(10px);
}

body.theme-spatial .tag-highlight {
  color: #00F2FE;
}

body.theme-spatial .honest-pill {
  background: rgba(99, 102, 241, 0.07);
  border: 1px solid rgba(99, 102, 241, 0.22);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

body.theme-spatial .btn-coral {
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

body.theme-spatial .btn-coral:hover {
  background: linear-gradient(135deg, #7175F3 0%, #5B52ED 100%);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.65), inset 0 1px 1px rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

body.theme-spatial .btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #E2E8F0;
  backdrop-filter: blur(12px);
}

body.theme-spatial .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(99, 102, 241, 0.45);
  color: #FFFFFF;
}

body.theme-spatial .btn-nav-cta {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(0, 242, 254, 0.2));
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #F8FAFC;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.25);
}

body.theme-spatial .btn-nav-cta:hover {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(0, 242, 254, 0.35));
  border-color: rgba(0, 242, 254, 0.7);
  box-shadow: 0 0 24px rgba(0, 242, 254, 0.35);
}

body.theme-spatial .process-card,
body.theme-spatial .diff-card,
body.theme-spatial .lens-panel,
body.theme-spatial .plat-item,
body.theme-spatial .experience-comparison,
body.theme-spatial .honesty-manifesto-box {
  background: rgba(16, 20, 32, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
}

body.theme-spatial .process-card:hover,
body.theme-spatial .diff-card:hover,
body.theme-spatial .lens-panel:hover,
body.theme-spatial .plat-item:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 
    0 16px 40px rgba(0, 0, 0, 0.5), 
    0 0 24px rgba(99, 102, 241, 0.16), 
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

body.theme-spatial .process-card.highlight-card {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 12px 36px rgba(99, 102, 241, 0.25);
}

body.theme-spatial .process-step-num {
  color: rgba(255, 255, 255, 0.06);
}

body.theme-spatial .diff-indicator {
  background: rgba(255, 255, 255, 0.06);
}

body.theme-spatial .indicator-bar {
  background: linear-gradient(90deg, #6366F1, #00F2FE);
}

body.theme-spatial .observatory-controller {
  background: rgba(10, 13, 20, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
}

body.theme-spatial .terminal-select {
  background: rgba(18, 22, 34, 0.9);
  border-color: rgba(255, 255, 255, 0.1);
  color: #F8FAFC;
}

body.theme-spatial .mode-toggle {
  background: rgba(18, 22, 34, 0.9);
  border-color: rgba(255, 255, 255, 0.1);
}

body.theme-spatial .mode-btn.active {
  background: linear-gradient(135deg, #6366F1, #4F46E5);
  color: #FFFFFF;
}

body.theme-spatial .caption-stream-overlay {
  background: linear-gradient(to top, rgba(7, 9, 14, 0.96) 0%, rgba(7, 9, 14, 0.6) 70%, transparent 100%);
}

body.theme-spatial .stream-source-text {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

body.theme-spatial .stream-dubbed-text {
  background: rgba(0, 242, 254, 0.08);
  border-color: rgba(0, 242, 254, 0.25);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.1);
}

body.theme-spatial .text-translated {
  color: #F8FAFC;
  font-weight: 500;
}

body.theme-spatial .badge-lang-tgt {
  background: #00F2FE;
  color: #07090E;
  font-weight: 800;
}

/* ==========================================================================
   THEME 2: NORDIC AUDIOPHILE & QUIET LUXURY — BANG & OLUFSEN AESTHETICS
   ========================================================================== */

body.theme-nordic .section-headline,
body.theme-nordic .hero-headline,
body.theme-nordic .cta-headline {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

body.theme-nordic .signal-headline {
  color: #C48744;
}

body.theme-nordic .coral-headline {
  color: #3D5A50;
}

body.theme-nordic .section-tag {
  background: rgba(196, 135, 68, 0.08);
  border: 1px solid rgba(196, 135, 68, 0.22);
  color: #C48744;
  border-radius: 20px;
}

body.theme-nordic .honest-pill {
  background: #FFFFFF;
  border: 1px solid rgba(30, 25, 20, 0.1);
  box-shadow: 0 4px 16px rgba(30, 25, 20, 0.04);
  border-radius: var(--radius-sm);
}

body.theme-nordic .btn-coral {
  background: linear-gradient(135deg, #C48744 0%, #B27533 100%);
  color: #FFFFFF;
  border-radius: 30px;
  box-shadow: 0 4px 20px rgba(196, 135, 68, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

body.theme-nordic .btn-coral:hover {
  background: linear-gradient(135deg, #D49550 0%, #C48744 100%);
  box-shadow: 0 6px 26px rgba(196, 135, 68, 0.5);
  transform: translateY(-2px);
}

body.theme-nordic .btn-secondary {
  background: #FFFFFF;
  border: 1px solid rgba(30, 25, 20, 0.12);
  color: #18191B;
  border-radius: 30px;
  box-shadow: 0 2px 8px rgba(30, 25, 20, 0.04);
}

body.theme-nordic .btn-secondary:hover {
  background: #F7F5F0;
  border-color: #C48744;
  color: #C48744;
}

body.theme-nordic .btn-nav-cta {
  background: #18191B;
  color: #FFFFFF;
  border-radius: 20px;
  box-shadow: 0 2px 10px rgba(24, 25, 27, 0.15);
}

body.theme-nordic .btn-nav-cta:hover {
  background: #C48744;
  box-shadow: 0 4px 16px rgba(196, 135, 68, 0.3);
}

body.theme-nordic .observatory-terminal {
  background: #FFFFFF;
  border: 1px solid rgba(30, 25, 20, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: 
    0 24px 60px rgba(35, 30, 25, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.03);
}

body.theme-nordic .terminal-frame-header {
  background: #EDEAE1;
  border-bottom: 1px solid rgba(30, 25, 20, 0.08);
}

body.theme-nordic .observatory-controller {
  background: #FAF8F5;
  border-top: 1px solid rgba(30, 25, 20, 0.08);
}

body.theme-nordic .process-card,
body.theme-nordic .diff-card,
body.theme-nordic .lens-panel,
body.theme-nordic .plat-item,
body.theme-nordic .experience-comparison,
body.theme-nordic .honesty-manifesto-box {
  background: #FFFFFF;
  border: 1px solid rgba(30, 25, 20, 0.08);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(30, 25, 20, 0.03);
}

body.theme-nordic .process-card:hover,
body.theme-nordic .diff-card:hover,
body.theme-nordic .lens-panel:hover,
body.theme-nordic .plat-item:hover {
  border-color: #C48744;
  box-shadow: 0 12px 32px rgba(30, 25, 20, 0.08);
  transform: translateY(-3px);
}

body.theme-nordic .process-card.highlight-card {
  border-color: #C48744;
  box-shadow: 0 8px 28px rgba(196, 135, 68, 0.18);
}

body.theme-nordic .process-step-num {
  color: rgba(30, 25, 20, 0.06);
}

body.theme-nordic .diff-indicator {
  background: rgba(30, 25, 20, 0.06);
}

body.theme-nordic .indicator-bar {
  background: #C48744;
}

body.theme-nordic .btn-audition {
  background: #3D5A50;
  color: #FFFFFF;
  border-radius: 20px;
}

body.theme-nordic .btn-audition:hover {
  background: #C48744;
}

body.theme-nordic .terminal-select {
  background: #FFFFFF;
  border-color: rgba(30, 25, 20, 0.12);
  color: #18191B;
  border-radius: 6px;
}

body.theme-nordic .mode-toggle {
  background: #EDEAE1;
  border-color: rgba(30, 25, 20, 0.1);
  border-radius: 6px;
}

body.theme-nordic .mode-btn.active {
  background: #C48744;
  color: #FFFFFF;
}

body.theme-nordic .badge-lang-tgt {
  background: #C48744;
  color: #FFFFFF;
  font-weight: 700;
}

/* ==========================================================================
   THEME 3: EDITORIAL CINE-POSTER — A24 / MUBI / CRITERION AESTHETICS
   ========================================================================== */

body.theme-cinemag .section-headline,
body.theme-cinemag .hero-headline,
body.theme-cinemag .cta-headline {
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: -0.025em;
  font-weight: 600;
}

body.theme-cinemag .signal-headline {
  color: #E5A93B;
  text-shadow: 0 0 24px rgba(229, 169, 59, 0.4);
}

body.theme-cinemag .coral-headline {
  color: #E11D48;
  text-shadow: 0 0 24px rgba(225, 29, 72, 0.35);
}

body.theme-cinemag .section-tag {
  background: rgba(229, 169, 59, 0.08);
  border: 1px solid rgba(229, 169, 59, 0.3);
  color: #E5A93B;
  border-radius: 2px;
  font-family: var(--font-mono);
  letter-spacing: 0.15em;
}

body.theme-cinemag .honest-pill {
  background: rgba(24, 27, 34, 0.85);
  border: 1px solid rgba(229, 169, 59, 0.25);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

body.theme-cinemag .btn-coral {
  background: #E5A93B;
  color: #0A0B0E;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(229, 169, 59, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

body.theme-cinemag .btn-coral:hover {
  background: #F5B94E;
  box-shadow: 0 6px 30px rgba(229, 169, 59, 0.55);
  transform: translateY(-2px);
}

body.theme-cinemag .btn-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  border-radius: 4px;
}

body.theme-cinemag .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: #E5A93B;
  color: #E5A93B;
}

body.theme-cinemag .btn-nav-cta {
  background: rgba(229, 169, 59, 0.12);
  border: 1px solid #E5A93B;
  color: #E5A93B;
  border-radius: 4px;
  font-weight: 700;
}

body.theme-cinemag .btn-nav-cta:hover {
  background: #E5A93B;
  color: #0A0B0E;
  box-shadow: 0 0 20px rgba(229, 169, 59, 0.4);
}

body.theme-cinemag .observatory-terminal {
  background: #12141A;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  box-shadow: 
    0 24px 70px rgba(0, 0, 0, 0.8),
    0 0 30px rgba(229, 169, 59, 0.12);
}

body.theme-cinemag .terminal-frame-header {
  background: #0A0B0E;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  letter-spacing: 0.12em;
}

body.theme-cinemag .observatory-controller {
  background: #141720;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.theme-cinemag .process-card,
body.theme-cinemag .diff-card,
body.theme-cinemag .lens-panel,
body.theme-cinemag .plat-item,
body.theme-cinemag .experience-comparison,
body.theme-cinemag .honesty-manifesto-box {
  background: #141720;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 6px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

body.theme-cinemag .process-card:hover,
body.theme-cinemag .diff-card:hover,
body.theme-cinemag .lens-panel:hover,
body.theme-cinemag .plat-item:hover {
  border-color: #E5A93B;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(229, 169, 59, 0.15);
  transform: translateY(-3px);
}

body.theme-cinemag .process-card.highlight-card {
  border-color: #E5A93B;
  box-shadow: 0 10px 32px rgba(229, 169, 59, 0.2);
}

body.theme-cinemag .process-step-num {
  color: rgba(255, 255, 255, 0.05);
  font-style: italic;
}

body.theme-cinemag .diff-indicator {
  background: rgba(255, 255, 255, 0.08);
}

body.theme-cinemag .indicator-bar {
  background: #E5A93B;
}

body.theme-cinemag .btn-audition {
  background: #E5A93B;
  color: #0A0B0E;
  border-radius: 4px;
  font-weight: 700;
}

body.theme-cinemag .btn-audition:hover {
  background: #F5B94E;
}

body.theme-cinemag .terminal-select {
  background: #181B22;
  border-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  border-radius: 4px;
}

body.theme-cinemag .mode-toggle {
  background: #0A0B0E;
  border-color: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

body.theme-cinemag .mode-btn.active {
  background: #E5A93B;
  color: #0A0B0E;
  font-weight: 700;
}

body.theme-cinemag .badge-lang-tgt {
  background: #E5A93B;
  color: #0A0B0E;
  font-weight: 800;
}

/* ==========================================================================
   THEME 4: NEO-BRUTALIST HIGH-CONTRAST AUDIO — TEENAGE ENGINEERING & RETRO-POP
   ========================================================================== */

body.theme-brutalist .section-headline,
body.theme-brutalist .hero-headline,
body.theme-brutalist .cta-headline {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

body.theme-brutalist .signal-headline {
  background: #FFE600;
  color: #000000;
  padding: 2px 12px;
  border: 2.5px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  display: inline-block;
  -webkit-text-fill-color: initial;
}

body.theme-brutalist .coral-headline {
  background: #FF5C00;
  color: #FFFFFF;
  padding: 2px 12px;
  border: 2.5px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  display: inline-block;
  -webkit-text-fill-color: initial;
}

body.theme-brutalist .section-tag {
  background: #FFE600;
  color: #000000;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  border-radius: 2px;
  font-weight: 800;
}

body.theme-brutalist .tag-name {
  color: #000000;
}

body.theme-brutalist .tag-highlight {
  background: #FF5C00;
  color: #FFFFFF;
  padding: 1px 6px;
  border-radius: 2px;
}

body.theme-brutalist .honest-pill {
  background: #FFFDF7;
  border: 2.5px solid #000000;
  box-shadow: 5px 5px 0px #000000;
  border-radius: 6px;
}

body.theme-brutalist .hero-pill-tag {
  background: #FFE600;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  border-radius: 6px;
  transform: rotate(-1.5deg);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
}

body.theme-brutalist .hero-pill-tag:hover {
  transform: rotate(0deg) scale(1.03);
  box-shadow: 5px 5px 0px #000000;
}

body.theme-brutalist .hero-pill-tag .signal-dot {
  background: #000000;
  box-shadow: none;
}

body.theme-brutalist .vietnamese-echo {
  background: #000000;
  color: #FFE600;
  padding: 4px 14px;
  border-radius: 4px;
  display: inline-block;
  font-weight: 800;
  transform: rotate(0.8deg);
  box-shadow: 3px 3px 0px #FF5C00;
  font-family: var(--font-mono);
}

body.theme-brutalist .hero-sticker-badge {
  display: inline-flex;
  align-items: center;
  position: absolute;
  top: -14px;
  right: -10px;
  background: #FFE600;
  color: #000000;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  padding: 3px 8px;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  border-radius: 4px;
  transform: rotate(5deg);
  letter-spacing: 0.05em;
  pointer-events: none;
  z-index: 3;
  animation: stickerWiggle 3.5s ease-in-out infinite;
}

@keyframes stickerWiggle {
  0%, 100% { transform: rotate(5deg) scale(1); }
  50% { transform: rotate(2deg) scale(1.06); }
}

body.theme-brutalist .btn-coral {
  position: relative;
  background: #FF5C00;
  color: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 5px 5px 0px #000000;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 6px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-brutalist .btn-coral:hover {
  background: #FF7020;
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px #000000;
}

body.theme-brutalist .btn-coral:active {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .btn-secondary {
  background: #FFE600;
  color: #000000;
  border: 2.5px solid #000000;
  box-shadow: 5px 5px 0px #000000;
  font-weight: 900;
  border-radius: 6px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-brutalist .btn-secondary:hover {
  background: #FFF066;
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px #000000;
  color: #000000;
}

body.theme-brutalist .btn-secondary:active {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .btn-nav-cta {
  background: #FFE600;
  color: #000000;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  font-weight: 900;
  border-radius: 5px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-brutalist .btn-nav-cta:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0px #000000;
}

body.theme-brutalist .btn-nav-cta:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px #000000;
}

body.theme-brutalist .btn-nav-cta:hover {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .observatory-terminal {
  background: #FFFDF7;
  border: 3px solid #000000;
  box-shadow: 8px 8px 0px #000000;
  border-radius: 8px;
}

body.theme-brutalist .terminal-frame-header {
  background: #FFE600;
  border-bottom: 2.5px solid #000000;
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .terminal-title {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .observatory-controller {
  background: #FFFFFF;
  border-top: 2.5px solid #000000;
}

body.theme-brutalist .process-card,
body.theme-brutalist .diff-card,
body.theme-brutalist .lens-panel,
body.theme-brutalist .plat-item,
body.theme-brutalist .experience-comparison,
body.theme-brutalist .honesty-manifesto-box {
  background: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 5px 5px 0px #000000;
  border-radius: 6px;
}

body.theme-brutalist .process-card:hover,
body.theme-brutalist .diff-card:hover,
body.theme-brutalist .lens-panel:hover,
body.theme-brutalist .plat-item:hover {
  border-color: #000000;
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0px #000000;
}

body.theme-brutalist .process-card.highlight-card {
  border-color: #000000;
  background: #FFF9E6;
  box-shadow: 6px 6px 0px #000000;
}

body.theme-brutalist .process-step-num {
  color: #000000;
  opacity: 0.15;
  font-weight: 800;
}

body.theme-brutalist .diff-indicator {
  background: #E0E0E0;
  border: 1px solid #000000;
  height: 6px;
}

body.theme-brutalist .indicator-bar {
  background: #FF5C00;
  opacity: 1;
}

body.theme-brutalist .btn-audition {
  background: #00E5FF;
  color: #000000;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  font-weight: 800;
  border-radius: 4px;
}

body.theme-brutalist .btn-audition:hover {
  background: #33EBFF;
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .terminal-select {
  background: #FFFFFF;
  border: 2px solid #000000;
  color: #000000;
  border-radius: 4px;
  font-weight: 700;
}

body.theme-brutalist .mode-toggle {
  background: #F4EEDC;
  border: 2px solid #000000;
  border-radius: 4px;
}

body.theme-brutalist .mode-btn.active {
  background: #000000;
  color: #FFE600;
  font-weight: 800;
}

body.theme-brutalist .badge-lang-tgt {
  background: #FFE600;
  color: #000000;
  border: 1.5px solid #000000;
  font-weight: 800;
}

body.theme-brutalist .stream-dubbed-text {
  background: #FFFDF7;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
}

body.theme-brutalist .text-translated {
  color: #000000;
  font-weight: 700;
}

/* ==========================================================================
   FLOATING AUDIO CAPSULE (Quick Test Anywhere on Scroll)
   ========================================================================== */

.floating-audio-capsule {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 990;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.floating-audio-capsule.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.capsule-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px 10px 14px;
  background: rgba(14, 18, 28, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 40px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(99, 102, 241, 0.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

body.theme-editorial .capsule-inner {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(55, 45, 35, 0.15);
  box-shadow: 0 12px 30px rgba(50, 40, 30, 0.12);
}

body.theme-cinema .capsule-inner {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(14, 19, 24, 0.12);
  box-shadow: 0 12px 30px rgba(14, 19, 24, 0.1);
}

body.theme-studio .capsule-inner {
  background: rgba(250, 246, 238, 0.95);
  border-color: rgba(50, 35, 20, 0.15);
  box-shadow: 0 12px 30px rgba(50, 35, 20, 0.12);
}

body.theme-nordic .capsule-inner {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(30, 25, 20, 0.12);
  box-shadow: 0 12px 36px rgba(30, 25, 20, 0.1);
}

body.theme-cinemag .capsule-inner {
  background: rgba(18, 20, 26, 0.95);
  border: 1px solid rgba(229, 169, 59, 0.35);
  border-radius: 8px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.7), 0 0 20px rgba(229, 169, 59, 0.2);
}

body.theme-cinemag .capsule-play-btn {
  background: #E5A93B;
  color: #0A0B0E;
  border-radius: 4px;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(229, 169, 59, 0.35);
}

body.theme-brutalist .capsule-inner {
  background: #FFE600;
  border: 2.5px solid #000000;
  border-radius: 6px;
  box-shadow: 6px 6px 0px #000000;
}

body.theme-brutalist .capsule-play-btn {
  background: #000000;
  color: #FFE600;
  border: 2px solid #000000;
  border-radius: 4px;
  font-weight: 800;
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .capsule-tag {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .capsule-sub {
  color: #000000;
  font-weight: 700;
}

.capsule-indicator {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 18px;
  padding-left: 2px;
}

.capsule-wave-bar {
  width: 3px;
  height: 6px;
  background: var(--signal-mint);
  border-radius: 2px;
  transition: height 0.2s ease;
}

.capsule-inner.speaking .capsule-wave-bar {
  animation: capsuleWave 0.6s infinite ease-in-out alternate;
}

.capsule-inner.speaking .bar-1 { animation-delay: 0.1s; height: 16px; }
.capsule-inner.speaking .bar-2 { animation-delay: 0.25s; height: 12px; }
.capsule-inner.speaking .bar-3 { animation-delay: 0.4s; height: 18px; }
.capsule-inner.speaking .bar-4 { animation-delay: 0.15s; height: 10px; }

@keyframes capsuleWave {
  0% { height: 4px; }
  100% { height: 18px; }
}

.capsule-details {
  display: flex;
  flex-direction: column;
}

.capsule-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--signal-mint);
  font-weight: 700;
}

.capsule-sub {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--text-lead);
  font-weight: 500;
  white-space: nowrap;
}

.capsule-play-btn {
  background: linear-gradient(135deg, var(--coral-accent), var(--coral-hover));
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 6px 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 2px 10px var(--coral-glow);
}

.capsule-play-btn:hover {
  transform: scale(1.04);
}

.capsule-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
  padding: 0;
  transition: all 0.2s ease;
  margin-left: 2px;
  flex-shrink: 0;
}

.capsule-close-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  transform: scale(1.1);
}

body.theme-brutalist .capsule-close-btn {
  color: #000000;
  font-weight: 900;
}

body.theme-brutalist .capsule-close-btn:hover {
  background: #000000;
  color: #FFE600;
}

@media (max-width: 600px) {
  .floating-audio-capsule {
    bottom: 12px;
    right: 12px;
    left: 12px;
  }
  .capsule-inner {
    padding: 8px 12px;
    gap: 10px;
    justify-content: space-between;
  }
  .capsule-sub {
    font-size: 10px;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .capsule-play-btn {
    padding: 5px 10px;
    font-size: 10px;
  }
}


/* ==========================================================================
   LAYOUT 2.0: HERO CENTERING, DUAL MOCKUPS, BENTO GRID, TABS & FAQ
   ========================================================================== */

/* ─── Hero Centered Layout ───────────────────────────────────────────────── */
.hero-container-layout2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-header-center {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-header-center .hero-pill-tag {
  margin-bottom: 20px;
}

.hero-subphrase {
  margin-top: -6px;
  margin-bottom: 20px;
}

.vietnamese-echo {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--coral-accent);
  font-style: italic;
  letter-spacing: -0.01em;
}

.hero-header-center .hero-lead {
  font-size: 1.32rem;
  line-height: 1.48;
  font-weight: 500;
  color: var(--text-lead);
  margin-bottom: 12px;
  max-width: 760px;
}

.hero-header-center .hero-desc {
  font-size: 1.05rem;
  line-height: 1.62;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 24px;
}

.hero-header-center .honest-pill {
  max-width: 680px;
  margin-bottom: 28px;
  text-align: left;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.cta-micro-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.micro-check {
  color: #10B981;
  font-weight: 700;
}

.micro-sep {
  opacity: 0.4;
}

/* ─── Hero Separated Dual Device Showcase (80s/90s Retro CRT & Phone) ─── */
.hero-stage-mockups {
  position: relative;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.85fr) minmax(280px, 1fr);
  gap: 38px;
  align-items: end;
  padding-bottom: 30px;
}

.showcase-device-col {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.col-desktop {
  min-width: 0;
}

.col-mobile {
  min-width: 0;
}

/* Device Label Badges */
.device-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  border-radius: 6px;
  background: #FFE600;
  color: #000000;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  align-self: flex-start;
}

.device-badge-tag.badge-mobile {
  background: #00F0FF;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #000000;
  display: inline-block;
}

.badge-dot.dot-cyan {
  background: #000000;
}

/* ==========================================================================
   80s / 90s RETRO CRT COMPUTER MONITOR (Thick Beige Bezels & Hardware Controls)
   ========================================================================== */
.retro-monitor-chassis {
  position: relative;
  width: 100%;
  background: #EAE5D5;
  border: 3.5px solid #000000;
  border-radius: 20px;
  box-shadow: 12px 12px 0px #000000;
  padding: 14px 18px 0 18px;
}

body.theme-brutalist .retro-monitor-chassis {
  background: #EAE5D5;
  border-color: #000000;
}

/* Top Ventilation Slits */
.retro-monitor-vents {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.vent-slit {
  width: 22px;
  height: 5px;
  background: #2B261F;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Thick Bezel Shell */
.retro-crt-bezel-frame {
  background: #DFD8C6;
  border: 3px solid #000000;
  border-radius: 14px;
  padding: 14px;
  box-shadow: inset 2px 2px 0px #FFFFFF, inset -2px -2px 0px #AFA792;
}

/* Inner Screen Housing */
.retro-crt-screen-housing {
  border: 3px solid #000000;
  border-radius: 12px;
  background: #000000;
  overflow: hidden;
  box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.9);
}

/* Retro 90s Window Title Bar */
.retro-window-header {
  background: #000080;
  color: #FFFFFF;
  padding: 6px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2.5px solid #000000;
}

body.theme-brutalist .retro-window-header {
  background: #000000;
  color: #FFE600;
}

.retro-win-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.retro-win-icon {
  font-size: 13px;
}

.retro-win-controls {
  display: flex;
  gap: 4px;
}

.retro-btn-box {
  width: 18px;
  height: 18px;
  background: #D4D0C8;
  color: #000000;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #000000;
  box-shadow: 1px 1px 0px #000000;
  cursor: pointer;
}

.retro-btn-box.close {
  background: #C43D2A;
  color: #FFFFFF;
}

/* CRT Screen Scanlines Effect */
.retro-crt-screen {
  position: relative;
  aspect-ratio: 16 / 9.6;
  background: #080B10;
  overflow: hidden;
}

.crt-scanline-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.22) 0px,
    rgba(0, 0, 0, 0.22) 1.5px,
    transparent 1.5px,
    transparent 3px
  );
  mix-blend-mode: overlay;
  opacity: 0.65;
}

/* Retro Monitor Front Control Chin */
.retro-crt-control-chin {
  margin-top: 12px;
  padding: 10px 14px 6px;
  background: #D8D1BE;
  border-top: 2.5px solid #000000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 0 0 10px 10px;
}

.retro-brand-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #25211B;
  color: #FFE600;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1.5px solid #000000;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.retro-badge-mark {
  color: #FF5F56;
  font-size: 8px;
}

.retro-knobs-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.retro-knob-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.knob-dial {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #2A251E;
  border: 2px solid #000000;
  box-shadow: inset 1px 1px 0px rgba(255, 255, 255, 0.25);
  position: relative;
}

.knob-dial::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 5px;
  background: #FFE600;
  border-radius: 1px;
}

.knob-label {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 800;
  color: #4A4335;
  letter-spacing: 0.05em;
}

.retro-power-section {
  display: flex;
  align-items: center;
  gap: 8px;
}

.retro-power-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 8px #22C55E;
  border: 1.5px solid #000000;
}

.retro-power-button {
  background: #C43D2A;
  color: #FFFFFF;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  letter-spacing: 0.08em;
}

.retro-power-button:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px #000000;
}

/* CRT Pedestal Swivel Stand Base */
.retro-crt-neck {
  width: 130px;
  height: 24px;
  background: #B8B09C;
  margin: 0 auto;
  border-left: 3.5px solid #000000;
  border-right: 3.5px solid #000000;
  clip-path: polygon(10% 0%, 90% 0%, 100% 100%, 0% 100%);
}

.retro-crt-base-foot {
  width: 270px;
  height: 18px;
  background: #DFD8C6;
  border: 3.5px solid #000000;
  border-radius: 8px;
  margin: 0 auto -20px auto;
  box-shadow: 6px 6px 0px #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}

.swivel-groove {
  width: 120px;
  height: 4px;
  background: #2E2820;
  border-radius: 2px;
}

/* Inside Screen Video Elements */
.mockup-video-canvas {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: radial-gradient(circle at 50% 30%, #151D2A 0%, #080A0F 100%);
}

.mockup-video-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  z-index: 2;
}

.video-channel-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.yt-ch-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #E11D48;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #FFFFFF;
  flex-shrink: 0;
}

.yt-ch-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
}

.yt-verified {
  font-family: var(--font-sans);
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.hd-badge {
  background: #E11D48;
  color: #FFFFFF;
  font-size: 9.5px;
  font-weight: 800;
  padding: 1.5px 5px;
  border-radius: 3px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.video-title-bold {
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: block;
}

.video-timestamp {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.5);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ─── 2D Retro Anime Cel Animation Canvas & Scene ────────────────────────── */
.retro-anime-canvas {
  position: relative;
  overflow: hidden;
  background: #1A1423;
}

.retro-cel-art-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  z-index: 1;
  filter: saturate(1.15) contrast(1.08) brightness(0.96);
}

.retro-cel-art-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.05) 40%, rgba(0, 0, 0, 0.45) 85%, rgba(0, 0, 0, 0.75) 100%),
              linear-gradient(180deg, rgba(0, 0, 0, 0.7) 0%, transparent 22%, transparent 68%, rgba(0, 0, 0, 0.88) 100%);
}

.anime-avatar {
  background: #C43D2A !important;
  color: #FFE600 !important;
  font-family: serif !important;
  font-weight: 900 !important;
  font-size: 13px !important;
  border: 1.5px solid #FFE600 !important;
}

.retro-badge-35mm {
  background: #FFE600 !important;
  color: #000000 !important;
  font-family: var(--font-mono) !important;
  font-size: 8.5px !important;
  font-weight: 900 !important;
  padding: 1px 5px !important;
  border-radius: 3px !important;
  border: 1px solid #000000 !important;
}

.anime-scene-stage {
  flex: 1;
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 10px 20px 68px 20px;
}

.anime-cel-dialogue-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.anime-sub-original {
  background: rgba(12, 14, 20, 0.78);
  backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 5px 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.7);
}

.sub-pill-lang {
  font-family: var(--font-mono);
  font-size: 9px;
  background: #FFE600;
  color: #000000;
  font-weight: 900;
  padding: 1px 6px;
  border-radius: 4px;
}

.sub-text-ja {
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 700;
  color: #FFFFFF;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95);
  letter-spacing: 0.04em;
}

/* Floating DubSync In-Player Smart Dock */
.dubsync-inplayer-dock {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  background: rgba(10, 14, 22, 0.94);
  backdrop-filter: blur(14px);
  border: 2px solid var(--signal-mint);
  border-radius: 40px;
  padding: 7px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7), 0 0 20px var(--signal-mint-glow);
  color: #FFFFFF;
  white-space: nowrap;
}

.dock-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dock-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-mint);
  box-shadow: 0 0 10px var(--signal-mint);
  animation: signalPulse 1.6s infinite ease-in-out;
}

.dock-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.dock-lang-pair {
  background: rgba(255, 255, 255, 0.15);
  font-family: var(--font-mono);
  font-size: 10.5px;
  padding: 2px 7px;
  border-radius: 10px;
  color: #FFFFFF;
  font-weight: 700;
}

.dock-center-wave {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 16px;
}

.dock-wave-bar {
  width: 3px;
  height: 6px;
  background: var(--signal-mint);
  border-radius: 2px;
  animation: dockWave 0.6s infinite ease-in-out alternate;
}

.dock-wave-bar.dw-1 { animation-delay: 0.1s; height: 14px; }
.dock-wave-bar.dw-2 { animation-delay: 0.25s; height: 10px; }
.dock-wave-bar.dw-3 { animation-delay: 0.4s; height: 16px; }
.dock-wave-bar.dw-4 { animation-delay: 0.15s; height: 8px; }

@keyframes dockWave {
  0% { height: 4px; }
  100% { height: 16px; }
}

.dock-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dock-pill-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--signal-mint);
  background: var(--signal-mint-subtle);
  border: 1px solid var(--signal-mint-border);
  padding: 2px 7px;
  border-radius: 8px;
  font-weight: 800;
}

.dock-latency-tag {
  font-family: var(--font-sans);
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}

/* Video Controls Bar */
.mockup-controls-bar {
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.9) 0%, transparent 100%);
  padding: 6px 18px 12px 18px;
  z-index: 2;
}

.scrub-line {
  position: relative;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin-bottom: 8px;
  cursor: pointer;
}

.scrub-buffer {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
}

.scrub-filled {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: #FF0000;
  border-radius: 2px;
  z-index: 1;
}

.scrub-pin {
  position: absolute;
  top: 50%;
  left: 32%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #FF0000;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.8);
  z-index: 2;
}

.controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ctrl-left-items,
.ctrl-right-items {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ctrl-btn {
  color: #FFFFFF;
  font-size: 13px;
  opacity: 0.9;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.ctrl-btn:hover {
  transform: scale(1.1);
}

.ctrl-play {
  font-size: 12px;
}

.ctrl-vol-track {
  width: 48px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
  position: relative;
}

.ctrl-vol-fill {
  width: 75%;
  height: 100%;
  background: #FFFFFF;
  border-radius: 2px;
  display: block;
}

.ctrl-time {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.85);
}

.ctrl-badge-cc {
  font-family: var(--font-mono);
  font-size: 9.5px;
  padding: 2px 5px;
  border-radius: 4px;
  font-weight: 800;
  border: 1.5px solid #FF0000;
  color: #FFFFFF;
  background: #FF0000;
}

/* ==========================================================================
   RETRO COMMUNICATOR PHONE (Thick Chunky Bezels & Elongated Tall Proportions)
   ========================================================================== */
.retro-phone-chassis {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

/* Corner Retractable Antenna Stub */
.retro-antenna-stub {
  position: absolute;
  top: -24px;
  right: 32px;
  width: 14px;
  height: 28px;
  background: #232730;
  border: 3px solid #000000;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  border-bottom: none;
  z-index: 1;
}

.antenna-tip {
  position: absolute;
  top: -6px;
  left: -2px;
  width: 12px;
  height: 6px;
  background: #FFE600;
  border: 2px solid #000000;
  border-radius: 3px;
}

/* Side Grip Ridges & Buttons */
.retro-phone-grip-left {
  position: absolute;
  left: -6px;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1;
}

.grip-ridge {
  width: 6px;
  height: 22px;
  background: #252A34;
  border: 2px solid #000000;
  border-right: none;
  border-radius: 3px 0 0 3px;
}

.retro-phone-grip-right {
  position: absolute;
  right: -6px;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 1;
}

.retro-side-button {
  width: 6px;
  background: #252A34;
  border: 2px solid #000000;
  border-left: none;
  border-radius: 0 3px 3px 0;
}

.retro-side-button.btn-vol-up,
.retro-side-button.btn-vol-down {
  height: 28px;
}

.retro-side-button.btn-power {
  height: 38px;
  background: #C43D2A;
}

/* Phone Body Shell with Thick Bezels & Elongated Aspect Ratio */
.retro-phone-body {
  width: 100%;
  background: #E4DECD;
  border: 3.5px solid #000000;
  border-radius: 32px;
  box-shadow: 10px 10px 0px #000000;
  padding: 16px 14px 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.theme-brutalist .retro-phone-body {
  background: #EAE5D5;
}

.retro-phone-body:hover {
  transform: translateY(-4px);
  box-shadow: 12px 12px 0px #000000;
}

/* Thick Top Earpiece Grill */
.retro-phone-top-earpiece {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding-top: 2px;
}

.earpiece-grill-dots {
  display: flex;
  gap: 5px;
}

.earpiece-grill-dots span {
  width: 6px;
  height: 4px;
  background: #2E2820;
  border-radius: 2px;
}

.retro-phone-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.16em;
  color: #2E2820;
}

/* Inner Screen Housing Frame */
.retro-phone-screen-frame {
  border: 3px solid #000000;
  border-radius: 16px;
  background: #000000;
  overflow: hidden;
  box-shadow: inset 0 0 16px rgba(0, 0, 0, 0.9);
}

/* Status Bar in 90s Matrix Style */
.retro-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: #1C222E;
  border-bottom: 2px solid #000000;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 800;
  color: #38BDF8;
}

.phone-status-badges {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-net {
  font-size: 9px;
  letter-spacing: 0.05em;
  color: #A3E635;
  font-weight: 800;
}

.status-battery {
  width: 18px;
  height: 9px;
  border: 1.5px solid #FFFFFF;
  border-radius: 2px;
  padding: 1px;
  display: inline-flex;
  align-items: center;
  position: relative;
}

.status-battery::after {
  content: '';
  position: absolute;
  right: -3px;
  top: 1.5px;
  width: 2px;
  height: 3px;
  background: #FFFFFF;
  border-radius: 0 1px 1px 0;
}

.bat-level {
  width: 82%;
  height: 100%;
  background: #A3E635;
  border-radius: 1px;
}

.phone-screen-content {
  background: #10131A;
  display: flex;
  flex-direction: column;
}

.phone-app-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #181C26;
  border-bottom: 1.5px solid rgba(255, 255, 255, 0.08);
}

.phone-app-brand {
  display: flex;
  align-items: center;
  gap: 7px;
}

.phone-app-icon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  object-fit: cover;
}

.phone-app-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: #E2E8F0;
}

.phone-ext-active-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #FFE600;
  color: #000000;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid #000000;
}

.retro-phone-thumbnail {
  position: relative;
  height: 155px;
  padding: 0 !important;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  border-bottom: 2px solid #000000 !important;
  background: #121018;
}

.phone-anim-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
  z-index: 1;
  filter: saturate(1.18) contrast(1.08);
}

.phone-anim-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(0deg, rgba(16, 19, 26, 0.95) 0%, rgba(16, 19, 26, 0.2) 60%, rgba(16, 19, 26, 0.45) 100%);
}

.phone-anim-badge {
  position: relative;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 900;
  color: #000000;
  background: #FFE600;
  padding: 2.5px 7px;
  border-radius: 4px;
  border: 1px solid #000000;
  margin: 8px 10px;
  box-shadow: 1.5px 1.5px 0px #000000;
}

.phone-dubsync-overlay {
  padding: 12px 14px;
  background: #161B24;
}

.phone-overlay-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.phone-green-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-mint);
  box-shadow: 0 0 6px var(--signal-mint);
}

.phone-dub-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--signal-mint);
  letter-spacing: 0.08em;
  font-weight: 800;
}

.phone-dub-translation {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 8px 10px;
  margin-bottom: 8px;
}

.phone-flag {
  font-size: 9.5px;
  font-weight: 800;
  display: block;
  margin-bottom: 3px;
  color: var(--coral-accent);
  font-family: var(--font-mono);
}

.phone-translated-sentence {
  font-family: var(--font-sans);
  font-size: 10.5px;
  line-height: 1.4;
  color: #FFFFFF;
  margin: 0;
  font-weight: 600;
}

.phone-audio-indicator {
  display: flex;
  align-items: center;
  gap: 4px;
}

.p-sound-bar {
  width: 3px;
  height: 10px;
  background: var(--signal-mint);
  border-radius: 2px;
  animation: phoneSoundWave 0.8s infinite ease-in-out alternate;
}

.p-sound-bar:nth-child(2) { animation-delay: 0.2s; height: 14px; }
.p-sound-bar:nth-child(3) { animation-delay: 0.4s; height: 8px; }
.p-sound-bar:nth-child(4) { animation-delay: 0.15s; height: 12px; }

@keyframes phoneSoundWave {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1.2); }
}

.phone-sync-label {
  font-family: var(--font-sans);
  font-size: 9px;
  color: rgba(255, 255, 255, 0.75);
  margin-left: 6px;
  font-weight: 600;
}

/* Thick Bottom Chin with Tactile Physical Buttons */
.retro-phone-bottom-chin {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 4px 0 4px;
}

.retro-phys-key {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 900;
  padding: 6px 12px;
  border-radius: 6px;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  cursor: pointer;
  letter-spacing: 0.05em;
}

.retro-phys-key.key-call {
  background: #22C55E;
  color: #000000;
}

.retro-phys-key.key-end {
  background: #EF4444;
  color: #FFFFFF;
}

.retro-phys-key.key-nav-pad {
  width: 34px;
  height: 28px;
  background: #2E2820;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.nav-center-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FFE600;
  border: 1px solid #000000;
}

@media (max-width: 992px) {
  .hero-stage-mockups {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .col-mobile {
    max-width: 320px;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .retro-monitor-chassis {
    padding: 10px 10px 0 10px;
  }
  .retro-crt-bezel-frame {
    padding: 8px;
  }
  .retro-win-title {
    font-size: 9.5px;
  }
  .retro-crt-neck {
    width: 90px;
    height: 18px;
  }
  .retro-crt-base-foot {
    width: 200px;
    height: 14px;
    margin-bottom: -10px;
  }
  .retro-crt-control-chin {
    padding: 6px 8px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .retro-knobs-group {
    display: none;
  }
  .scene-chalkboard-grid {
    padding: 10px 12px;
  }
  .chalk-math {
    font-size: 0.95rem;
  }
  .dubsync-inplayer-dock {
    padding: 5px 10px;
    gap: 8px;
    bottom: 46px;
  }
  .dock-title {
    font-size: 10.5px;
  }
  .dock-lang-pair {
    font-size: 9.5px;
    padding: 1px 5px;
  }
  .dock-center-wave {
    display: none;
  }
}

/* ─── NEO-POP & GLOBAL MARQUEE TICKER BANNER ──────────────────────────────── */
.hero-sticker-badge {
  display: none;
}

.marquee-ticker-wrap {
  width: 100%;
  overflow: hidden;
  user-select: none;
  background: var(--bg-surface-elevated);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
  padding: 13px 0;
  position: relative;
  z-index: 10;
  display: flex;
  margin: 10px 0 24px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.marquee-ticker-wrap:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-content {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-right: 36px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-main);
}

.marquee-content .m-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.marquee-content .m-star {
  color: var(--coral-accent);
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── 02 / BEFORE & AFTER COMPARISON SECTION ─────────────────────────────── */
.comparison-dual-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 36px;
}

.comparison-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.comparison-card:hover {
  transform: translateY(-3px);
}

.comparison-card.card-before {
  border-color: rgba(239, 68, 68, 0.25);
}

.comparison-card.card-after {
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 12px 36px rgba(16, 185, 129, 0.08);
}

.card-status-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
  display: inline-block;
  align-self: flex-start;
}

.badge-warning {
  background: rgba(239, 68, 68, 0.12);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.28);
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.28);
}

.comparison-screen-sim {
  height: 200px;
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  background: #0B0E14;
}

.screen-subs-fatigue {
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.screen-dub-freedom {
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.sim-video-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.sim-blur {
  background: radial-gradient(circle, #242A38 0%, #0F1218 100%);
  filter: blur(2px);
  opacity: 0.6;
}

.sim-sharp {
  background: radial-gradient(circle, #192D26 0%, #0A1411 100%);
}

.sim-lecture-art {
  font-family: var(--font-mono);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
  text-align: center;
}

.sim-clean-art {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.sim-hd-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  background: #10B981;
  color: #0A0D14;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.08em;
}

.sim-detail-text {
  font-family: var(--font-sans);
  font-size: 12px;
  color: #FFFFFF;
}

.sim-cluttered-subtitles {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.85);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid rgba(239, 68, 68, 0.3);
  text-align: center;
}

.sim-cluttered-subtitles .sub-line {
  font-size: 11px;
  color: #FFDE59;
  line-height: 1.35;
}

.sim-cluttered-subtitles .sub-trans {
  color: #FFFFFF;
  font-size: 10px;
  opacity: 0.9;
}

.eye-tracker-alert {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: #EF4444;
  background: rgba(239, 68, 68, 0.15);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.sim-audio-pill-active {
  position: relative;
  z-index: 2;
  align-self: center;
  background: rgba(16, 185, 129, 0.9);
  color: #0A0D14;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}

.eye-tracker-freedom {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: #10B981;
  background: rgba(16, 185, 129, 0.15);
  padding: 4px 10px;
  border-radius: 4px;
  font-weight: 600;
}

.comparison-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comparison-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-lead);
}

.list-negative li::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: #EF4444;
  font-weight: 800;
}

.list-positive li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #10B981;
  font-weight: 800;
}

/* Animated Live Equalizer Wave */
.eq-live-bars {
  display: inline-flex;
  align-items: flex-end;
  gap: 2.5px;
  height: 14px;
}

.eq-bar {
  display: inline-block;
  width: 2.5px;
  background: #0A0D14;
  border-radius: 1.5px;
  animation: eqPulse 0.9s ease-in-out infinite alternate;
}

.eq-bar:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.eq-bar:nth-child(2) { height: 13px; animation-delay: 0.35s; }
.eq-bar:nth-child(3) { height: 9px; animation-delay: 0s; }
.eq-bar:nth-child(4) { height: 14px; animation-delay: 0.25s; }
.eq-bar:nth-child(5) { height: 7px; animation-delay: 0.45s; }

@keyframes eqPulse {
  0% { transform: scaleY(0.35); }
  100% { transform: scaleY(1); }
}

/* ─── COMPACT 4-PILL CORE FEATURE BAR ────────────────────────────────────── */
.core-features-wrap {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1.5px dashed var(--border-line);
}

.core-features-header {
  text-align: center;
  margin-bottom: 28px;
}

.feat-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 8px;
}

.feat-heading {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--text-main);
  margin: 0;
}

.core-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

@media (max-width: 991px) {
  .core-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 576px) {
  .core-features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-pill-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-pill-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
}

.feat-pill-top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.feat-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid transparent;
}

.badge-yellow {
  background: rgba(255, 230, 0, 0.15);
  color: #B29800;
  border-color: rgba(255, 230, 0, 0.4);
}

.badge-mint {
  background: rgba(0, 245, 160, 0.15);
  color: #009E64;
  border-color: rgba(0, 245, 160, 0.4);
}

.badge-purple {
  background: rgba(168, 85, 247, 0.15);
  color: #8B5CF6;
  border-color: rgba(168, 85, 247, 0.4);
}

.badge-coral {
  background: rgba(255, 92, 0, 0.15);
  color: #FF5C00;
  border-color: rgba(255, 92, 0, 0.4);
}

.feat-pill-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin: 0;
}

.feat-pill-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

/* ─── 03 / BENTO GRID CAPABILITIES ───────────────────────────────────────── */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.bento-col-1 {
  grid-column: span 1;
}

.bento-col-2 {
  grid-column: span 2;
}

.bento-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
  border-color: var(--border-card);
}

.bento-meta-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 14px;
  font-weight: 700;
}

.bento-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coral-accent);
  margin-bottom: 16px;
}

.bento-icon-box svg {
  display: block;
  stroke: currentColor;
}

.bento-title {
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.bento-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  line-height: 1.62;
  margin-bottom: 24px;
}

.bento-visual-stat {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: auto;
}

.stat-pill {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  border-radius: 10px;
  padding: 12px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--coral-accent);
}

.stat-caption {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

.bento-mini-ducking-demo {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: auto;
}

.duck-bar-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.duck-pct {
  color: var(--signal-mint);
  font-weight: 700;
}

.duck-slider-bar {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.duck-fill {
  width: 75%;
  height: 100%;
  background: var(--signal-mint);
}

.bento-lang-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.b-pill {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  padding: 4px 10px;
  border-radius: 14px;
  color: var(--text-lead);
}

.bento-tag-check {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #10B981;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  margin-top: auto;
  align-self: flex-start;
}

.bento-security-guarantee {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.sec-badge {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text-lead);
}

/* ─── 04 / USE CASES TABS SECTION ────────────────────────────────────────── */
.usecase-tab-nav {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 36px 0 28px;
  flex-wrap: wrap;
}

.usecase-nav-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: 30px;
  padding: 10px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.usecase-nav-btn:hover {
  color: var(--text-main);
  border-color: var(--coral-accent);
}

.usecase-nav-btn.active {
  background: var(--coral-accent);
  color: #FFFFFF;
  border-color: var(--coral-accent);
  box-shadow: 0 4px 16px var(--coral-glow);
}

.usecase-panel {
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.usecase-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.usecase-card-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-lg);
  padding: 40px;
  align-items: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.05);
}

.usecase-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--coral-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 12px;
}

.usecase-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.35;
}

.usecase-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
}

.usecase-examples-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.example-item {
  display: flex;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-lead);
  line-height: 1.48;
}

.ex-dot {
  color: var(--coral-accent);
  font-weight: 700;
}

.scenario-mockup-frame {
  background: radial-gradient(circle at 50% 30%, #1A2230 0%, #0D1017 100%);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  padding: 28px;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.25);
}

.scenario-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--signal-mint);
  font-weight: 700;
}

.scenario-topic {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
}

.scenario-quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.85);
  border-left: 2px solid var(--coral-accent);
  padding-left: 14px;
}

.scenario-sync-tag {
  font-family: var(--font-sans);
  font-size: 11.5px;
  color: var(--signal-mint);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 600;
  align-self: flex-start;
}

/* ─── 06 / FAQ ACCORDION SECTION ─────────────────────────────────────────── */
.faq-container {
  max-width: 840px;
  margin: 0 auto;
}

.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 36px;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: var(--border-card);
}

.faq-item.active {
  border-color: var(--coral-accent);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  gap: 16px;
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--coral-accent);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-icon svg {
  display: block;
  stroke: currentColor;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 24px 22px 24px;
  transition: max-height 0.4s ease-in-out, padding 0.2s ease;
}

.faq-answer p {
  color: var(--text-muted);
  line-height: 1.68;
  font-size: 0.98rem;
  margin: 0;
}

/* ==========================================================================
   THEME OVERRIDES FOR LAYOUT 2.0 (Nordic, Neo-Brutalist, Cine-Mag)
   ========================================================================== */

/* ─── Nordic Audiophile Overrides (theme-nordic) ─────────────────────────── */
body.theme-nordic .device-browser-window {
  box-shadow: 0 20px 50px rgba(40, 35, 30, 0.08);
  border-color: rgba(30, 25, 20, 0.12);
}

body.theme-nordic .bento-item {
  border-radius: var(--radius-md);
  border-color: rgba(30, 25, 20, 0.09);
  background: #FFFFFF;
}

body.theme-nordic .bento-item:hover {
  box-shadow: 0 16px 36px rgba(40, 35, 30, 0.06);
  border-color: #C48744;
}

body.theme-nordic .usecase-card-grid {
  background: #FFFFFF;
  border-color: rgba(30, 25, 20, 0.09);
}

body.theme-nordic .faq-item {
  background: #FFFFFF;
  border-color: rgba(30, 25, 20, 0.09);
}

body.theme-nordic .faq-item.active {
  border-color: #C48744;
}

body.theme-nordic .usecase-nav-btn.active {
  background: #C48744;
  color: #FFFFFF;
  border-color: #C48744;
  box-shadow: 0 4px 16px rgba(196, 135, 68, 0.3);
}

/* ─── Neo-Brutalist & Neo-Pop Overrides (theme-brutalist) ─────────────────── */
body.theme-brutalist .device-browser-window {
  border-left: 3.5px solid #000000;
  border-right: 3.5px solid #000000;
  border-top: none;
  border-bottom: none;
  border-radius: 0;
  box-shadow: none;
}

body.theme-brutalist .browser-chrome-bar {
  border-bottom: 2.5px solid #000000;
  background: #FFE600;
}

body.theme-brutalist .browser-omnibox {
  border: 2px solid #000000;
  background: #FFFFFF;
  color: #000000;
  font-weight: 700;
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .device-phone-window {
  border: 3.5px solid #000000;
  box-shadow: 8px 8px 0px #000000;
  border-radius: 36px;
}

/* Neo-Pop Marquee Ticker Tape */
body.theme-brutalist .marquee-ticker-wrap {
  background: #FFE600;
  border-top: 2.5px solid #000000;
  border-bottom: 2.5px solid #000000;
  box-shadow: 0 4px 0px #000000;
  padding: 14px 0;
  transform: rotate(-0.5deg) scaleX(1.01);
  margin: 16px 0 32px 0;
}

body.theme-brutalist .marquee-content {
  color: #000000;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

body.theme-brutalist .marquee-content .m-star {
  color: #FF5C00;
  font-size: 15px;
}

/* Neo-Pop Comic Speech Bubble & Smart Dock */
body.theme-brutalist .scene-speaker-box {
  background: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 5px 5px 0px #000000;
  border-radius: 10px;
}

body.theme-brutalist .speaker-bubble {
  background: #FFFBEB;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  border-radius: 6px;
  color: #000000;
  font-weight: 700;
}

body.theme-brutalist .bubble-lang {
  background: #FF5C00;
  color: #FFFFFF;
  border: 1.5px solid #000000;
  border-radius: 3px;
  font-weight: 800;
}

body.theme-brutalist .dubsync-inplayer-dock {
  background: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 6px 6px 0px #000000;
  border-radius: 10px;
  color: #000000;
}

body.theme-brutalist .dock-title {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .dock-lang-pair {
  background: #000000;
  color: #FFE600;
  font-weight: 800;
  border-radius: 4px;
}

body.theme-brutalist .dock-pulse-dot {
  background: #00B894;
  border: 1.5px solid #000000;
}

body.theme-brutalist .sound-wave-bars .bar {
  background: #00B894;
  border: 1px solid #000000;
}

body.theme-brutalist .sound-wave-bars .bar-2,
body.theme-brutalist .sound-wave-bars .bar-5 {
  background: #FFE600;
}

body.theme-brutalist .sound-wave-bars .bar-3,
body.theme-brutalist .sound-wave-bars .bar-4 {
  background: #FF5C00;
}

body.theme-brutalist .translated-caption-live {
  color: #000000;
  font-weight: 700;
}

/* Neo-Pop Platforms Grid */
body.theme-brutalist .plat-item {
  background: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  border-radius: 8px;
  transition: all 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-brutalist .plat-item:hover {
  border-color: #000000;
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0px #000000;
}

body.theme-brutalist .plat-item:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #000000;
}

body.theme-brutalist .plat-item:nth-child(5n+1):hover { background: #FFF0F2; }
body.theme-brutalist .plat-item:nth-child(5n+2):hover { background: #F0FDF4; }
body.theme-brutalist .plat-item:nth-child(5n+3):hover { background: #FEF9C3; }
body.theme-brutalist .plat-item:nth-child(5n+4):hover { background: #EFF6FF; }
body.theme-brutalist .plat-item:nth-child(5n+5):hover { background: #FAF5FF; }

body.theme-brutalist .plat-name {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .plat-spec {
  background: #000000;
  color: #FFE600;
  padding: 2px 7px;
  border-radius: 3px;
  font-weight: 700;
}

/* Neo-Pop Platforms Android Mobile Card */
body.theme-brutalist .platforms-mobile-card {
  background: #FFFDF5;
  border: 2.5px solid #000000;
  box-shadow: 6px 6px 0px #000000;
  border-radius: 8px;
}

body.theme-brutalist .plat-mobile-badge-pill {
  background: #000000;
  color: #FFE600;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  font-weight: 800;
}

body.theme-brutalist .plat-mobile-dot {
  background: #FFE600;
  box-shadow: 0 0 6px #FFE600;
}

body.theme-brutalist .plat-mobile-title {
  color: #000000;
  font-weight: 900;
}

body.theme-brutalist .plat-mobile-desc {
  color: #262626;
  font-weight: 500;
}

body.theme-brutalist .mobile-browser-chip {
  background: #FFFFFF;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  border-radius: 6px;
}

body.theme-brutalist .mobile-browser-chip:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px #000000;
  background: #F0FDF4;
}

body.theme-brutalist .brand-icon-wrapper {
  border: 2px solid #000000;
  box-shadow: 2.5px 2.5px 0px #000000;
  border-radius: 9px;
}

body.theme-brutalist .mbc-logo {
  width: 35px;
  height: 35px;
  border: 1.5px solid #000000;
  border-radius: 7px;
  box-shadow: 2px 2px 0 #000000;
}

body.theme-brutalist .modal-android-tip {
  background: #F0FDF4;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  border-radius: 6px;
}

body.theme-brutalist .android-tip-header {
  color: #000000;
  font-weight: 900;
}

body.theme-brutalist .modal-android-tip p {
  color: #1A1A1A;
}

/* Neo-Pop Install & Checkout Modals */
body.theme-brutalist .modal-box {
  background: #FFFFFF !important;
  border: 3px solid #000000 !important;
  box-shadow: 8px 8px 0px #000000 !important;
  border-radius: 8px !important;
  color: #000000 !important;
}

body.theme-brutalist .modal-header {
  background: #FFE600 !important;
  border-bottom: 2.5px solid #000000 !important;
}

body.theme-brutalist .modal-title-row h3 {
  color: #000000 !important;
  font-weight: 900 !important;
}

body.theme-brutalist .modal-close-btn {
  color: #000000 !important;
  font-weight: 900 !important;
}

body.theme-brutalist .modal-intro {
  color: #1A1A1A !important;
}

body.theme-brutalist .channel-card {
  background: #FFFDF5 !important;
  border: 2px solid #000000 !important;
  box-shadow: 3px 3px 0px #000000 !important;
  border-radius: 6px !important;
  color: #000000 !important;
}

body.theme-brutalist .channel-card:hover {
  background: #FFF4B8 !important;
  transform: translate(-2px, -2px) !important;
  box-shadow: 5px 5px 0px #000000 !important;
}

body.theme-brutalist .channel-name {
  color: #000000 !important;
  font-weight: 800 !important;
}

body.theme-brutalist .channel-sub {
  color: #4A4A4A !important;
}

body.theme-brutalist .channel-action {
  background: #000000 !important;
  color: #FFE600 !important;
  border: 1px solid #000000 !important;
  padding: 4px 8px !important;
  border-radius: 4px !important;
  font-weight: 800 !important;
}

body.theme-brutalist .quick-install-guide {
  background: #FFF9E6 !important;
  border: 2px solid #000000 !important;
  border-left: 5px solid #FF5C00 !important;
  box-shadow: 3px 3px 0px #000000 !important;
  border-radius: 6px !important;
}

body.theme-brutalist .quick-install-guide h5 {
  color: #D94800 !important;
  font-weight: 900 !important;
}

body.theme-brutalist .quick-install-guide ol {
  color: #1A1A1A !important;
}

body.theme-brutalist .quick-install-guide code {
  background: #FFFFFF !important;
  border: 1px solid #000000 !important;
  color: #000000 !important;
  font-weight: 700 !important;
}

body.theme-brutalist .modal-footer {
  background: #FFFDF5 !important;
  border-top: 2px solid #000000 !important;
}

body.theme-brutalist .modal-footnote {
  color: #4A4A4A !important;
}

/* Neo-Pop Comparison Cards */
body.theme-brutalist .comparison-card {
  border: 2.5px solid #000000;
  border-radius: 8px;
  box-shadow: 6px 6px 0px #000000;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

body.theme-brutalist .comparison-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px #000000;
}

body.theme-brutalist .card-before {
  background: #FFF5F5;
}

body.theme-brutalist .card-before .card-status-badge {
  background: #FF5C00;
  color: #FFFFFF;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  font-weight: 800;
}

body.theme-brutalist .card-after {
  background: #F0FDF4;
}

body.theme-brutalist .card-after .card-status-badge {
  background: #00B894;
  color: #FFFFFF;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  font-weight: 800;
}

/* Neo-Pop Feature Pills */
body.theme-brutalist .core-features-wrap {
  border-top: 2.5px dashed #000000;
}

body.theme-brutalist .feature-pill-card {
  border: 2.5px solid #000000;
  border-radius: 8px;
  box-shadow: 5px 5px 0px #000000;
  background: #FFFFFF;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

body.theme-brutalist .feature-pill-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px #000000;
}

body.theme-brutalist .feat-pill-badge {
  border: 1.5px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  color: #000000;
}

body.theme-brutalist .badge-yellow { background: #FFE600; }
body.theme-brutalist .badge-mint { background: #00F5A0; }
body.theme-brutalist .badge-purple { background: #E0C3FC; }
body.theme-brutalist .badge-coral { background: #FF85A1; }

body.theme-brutalist .feat-heading {
  color: #000000;
  font-weight: 900;
}

body.theme-brutalist .feat-pill-title {
  color: #000000;
  font-weight: 800;
}

body.theme-brutalist .feat-pill-desc {
  color: #222222;
}

body.theme-brutalist .eq-bar {
  background: #000000;
}

/* Neo-Pop Bento Grid */
body.theme-brutalist .bento-item {
  border: 2.5px solid #000000;
  border-radius: 8px;
  box-shadow: 6px 6px 0px #000000;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

body.theme-brutalist .bento-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px #000000;
  border-color: #000000;
}

body.theme-brutalist .bento-item:active {
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0px #000000;
}

body.theme-brutalist .bento-item.highlight-card {
  background: #FFFBEB;
  border-color: #000000;
  box-shadow: 7px 7px 0px #000000;
}

body.theme-brutalist .stat-pill {
  border: 2px solid #000000;
  background: #FFE600;
  box-shadow: 3px 3px 0px #000000;
  font-weight: 900;
}

body.theme-brutalist .stat-number {
  color: #000000;
  font-weight: 900;
}

body.theme-brutalist .usecase-nav-btn {
  border: 2px solid #000000;
  border-radius: 6px;
  font-weight: 800;
  box-shadow: 3px 3px 0px #000000;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-brutalist .usecase-nav-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0px #000000;
}

body.theme-brutalist .usecase-nav-btn.active {
  background: #FF5C00;
  color: #FFFFFF;
  box-shadow: 4px 4px 0px #000000;
  border-color: #000000;
}

body.theme-brutalist .usecase-card-grid {
  border: 2.5px solid #000000;
  border-radius: 8px;
  box-shadow: 8px 8px 0px #000000;
}

body.theme-brutalist .faq-item {
  border: 2px solid #000000;
  border-radius: 6px;
  box-shadow: 4px 4px 0px #000000;
  transition: all 0.15s ease;
}

body.theme-brutalist .faq-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #000000;
}

body.theme-brutalist .faq-item.active {
  border-color: #000000;
  background: #FFF9E6;
  box-shadow: 6px 6px 0px #000000;
}

body.theme-brutalist .faq-icon {
  color: #000000;
  font-weight: 900;
}

/* ─── Responsive Media Queries for Layout 2.0 ────────────────────────────── */
@media (max-width: 1024px) {
  .hero-stage-mockups {
    padding-bottom: 20px;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-col-2 {
    grid-column: span 2;
  }
  .bento-col-1 {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  .hero-stage-mockups {
    padding-bottom: 0;
  }
  .comparison-dual-cards {
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-col-1,
  .bento-col-2 {
    grid-column: span 1;
  }
  .usecase-card-grid {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .hero-header-center .hero-lead {
    font-size: 1.15rem;
  }
}


/* ─── Vector SVG Icon Standardization ────────────────────────────────────── */
.usecase-nav-btn svg,
.sec-badge svg,
.scenario-sync-tag svg,
.sim-audio-pill-active svg,
.eye-tracker-alert svg,
.eye-tracker-freedom svg,
.speaker-avatar svg {
  display: inline-block;
  vertical-align: middle;
  stroke: currentColor;
  flex-shrink: 0;
}

.sec-badge,
.scenario-sync-tag,
.sim-audio-pill-active,
.eye-tracker-alert,
.eye-tracker-freedom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}


/* ─── 06 / Pricing Section ────────────────────────────────────────────────── */
.pricing-section {
  padding: var(--space-section) 0;
  background: var(--bg-body);
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--coral-accent);
  box-shadow: 0 12px 32px rgba(50, 40, 30, 0.08);
}

.pricing-card-featured {
  border-color: var(--coral-accent);
  border-width: 2px;
  box-shadow: 0 12px 36px rgba(200, 83, 50, 0.12);
  transform: scale(1.02);
}

.pricing-card-featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.pricing-popular-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--coral-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 14px;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(200, 83, 50, 0.3);
}

.pricing-card-header {
  margin-bottom: 24px;
}

.pricing-plan-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  color: var(--text-muted);
}

.badge-pro {
  background: rgba(200, 83, 50, 0.12);
  border-color: var(--coral-accent);
  color: var(--coral-accent);
}

.badge-lifetime {
  background: rgba(218, 162, 0, 0.12);
  border-color: #DAA200;
  color: #B58400;
}

.pricing-plan-name {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.pricing-plan-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
  min-height: 42px;
}

.pricing-price-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.price-currency {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--coral-accent);
}

.price-amount {
  font-family: var(--font-sans);
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1;
}

.price-period {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 4px;
}

.pricing-sub-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--coral-accent);
  margin-bottom: 24px;
  min-height: 18px;
}

.pricing-feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 32px 0;
  display: flex;
  flex-direction: column;
  gap: 13px;
  flex-grow: 1;
}

.pricing-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-main);
  line-height: 1.5;
}

.pricing-feature-list li svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--coral-accent);
}

.pricing-card-footer {
  margin-top: auto;
}

.pricing-guarantee-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
  padding: 16px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.p-strip-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.p-strip-item svg {
  color: var(--coral-accent);
}

.p-strip-divider {
  color: var(--border-line);
}

/* ─── Checkout & Payment Modal Styles ──────────────────────────────────────── */
.checkout-modal-box {
  max-width: 620px;
  width: 95%;
}

.checkout-step-wrap {
  margin-bottom: 22px;
}

.checkout-step-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.c-step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--coral-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkout-plan-selector {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.c-plan-opt {
  background: var(--bg-surface-elevated);
  border: 1.5px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 12px;
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.c-plan-opt:hover {
  border-color: var(--coral-accent);
}

.c-plan-opt.active {
  border-color: var(--coral-accent);
  background: var(--bg-surface);
  box-shadow: 0 2px 10px rgba(200, 83, 50, 0.12);
}

.c-plan-badge {
  position: absolute;
  top: -8px;
  right: 8px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--coral-accent);
  color: #fff;
}

.badge-coral {
  background: #DAA200;
}

.c-plan-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  display: block;
}

.c-plan-desc {
  font-size: 10px;
  color: var(--text-muted);
  display: block;
  margin-top: 2px;
}

.c-plan-price {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--coral-accent);
  margin-top: 8px;
  display: block;
}

.c-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.c-input-wrap svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.c-email-input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
}

.c-hint-text {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 6px;
  display: block;
}

.c-payment-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.c-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.c-tab-btn.active {
  background: var(--bg-surface);
  border-color: var(--coral-accent);
  color: var(--coral-accent);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.c-pay-pane {
  display: none;
}

.c-pay-pane.active {
  display: block;
}

.vietqr-box-row {
  display: flex;
  gap: 20px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 16px;
  align-items: center;
}

.vietqr-qr-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.qr-img-frame {
  width: 150px;
  height: 150px;
  background: #fff;
  padding: 6px;
  border-radius: 8px;
  border: 1px solid var(--border-line);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.qr-code-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-scan-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  margin-top: 6px;
  text-align: center;
}

.vietqr-info-col {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.c-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
  padding-bottom: 5px;
  border-bottom: 1px dashed var(--border-line);
}

.c-info-label {
  color: var(--text-muted);
}

.c-info-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
}

.c-info-val.highlight {
  color: var(--text-main);
  font-weight: 700;
}

.price-highlight {
  color: var(--coral-accent);
  font-size: 14px;
}

.c-copyable-val {
  display: flex;
  align-items: center;
  gap: 6px;
}

.c-copyable-val code {
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.memo-highlight {
  color: var(--coral-accent);
  font-weight: 700;
}

.btn-mini-copy {
  padding: 2px 8px;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  border-radius: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-line);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-mini-copy:hover {
  border-color: var(--coral-accent);
  color: var(--coral-accent);
}

.c-polling-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.success-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
  border: 1px solid rgba(34, 197, 94, 0.25);
}

.license-key-box {
  background: var(--bg-surface-elevated);
  border: 1px dashed var(--coral-accent);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin: 16px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.license-key-box code {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--coral-accent);
  letter-spacing: 0.05em;
}

/* ─── Static Pages Styling (Privacy & Support) ────────────────────────────── */
.page.content {
  max-width: 820px;
  margin: 60px auto 80px;
  padding: 0 24px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-body);
}

.page.content h1 {
  font-size: 2.2rem;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.page.content h2 {
  font-size: 1.35rem;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--coral-accent);
  font-weight: 700;
}

.page.content ul {
  padding-left: 24px;
  margin-bottom: 18px;
}

.page.content li {
  margin-bottom: 8px;
  color: var(--text-muted);
}

.page.content p {
  margin-bottom: 16px;
  color: var(--text-muted);
}

.page.content a {
  color: var(--coral-accent);
  text-decoration: underline;
}

.site-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-line);
  background: var(--bg-surface);
}

.site-header .nav {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-header .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  color: var(--text-main);
}

.site-header .brand img {
  width: 24px;
  height: 24px;
}

.site-header .nav-links {
  display: flex;
  gap: 20px;
}

.site-header .nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
}

.site-footer {
  border-top: 1px solid var(--border-line);
  padding: 24px;
  background: var(--bg-surface);
}

.site-footer .footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.site-footer .footer-links {
  display: flex;
  gap: 20px;
}

.site-footer .footer-links a {
  text-decoration: none;
  color: var(--text-muted);
}

/* ─── Decorative Ticket & Membership elements (hidden by default) ────────── */
.ticket-stub-top,
.ticket-perforation,
.ticket-sawtooth-bottom,
.ticket-barcode-stub,
.member-chip-header,
.lifetime-gold-header,
.lifetime-seal-stamp {
  display: none;
}

/* ─── Themes Support for Pricing ─────────────────────────────────────────── */
/* ==========================================================================
   NEO-POP PRICING: RETRO TICKET & EMBOSSED VIP MEMBERSHIP
   ========================================================================== */

/* ─── Plan 1: Free Trial (Pop Concert Ticket / Supermarket Receipt) ───────── */
body.theme-brutalist .pricing-ticket-trial {
  position: relative;
  background: #FFFDF5;
  border: 2.5px solid #000000;
  box-shadow: 6px 6px 0px #000000;
  border-radius: 8px 8px 0 0;
  padding-bottom: 24px;
  overflow: visible;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s ease;
}

body.theme-brutalist .pricing-ticket-trial:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px #000000;
}

/* Ticket Top Header Stub */
body.theme-brutalist .pricing-ticket-trial .ticket-stub-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #FFE600;
  border-bottom: 2px dashed #000000;
  margin: -28px -28px 16px -28px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #000000;
  border-radius: 5px 5px 0 0;
}

/* Perforation dashed line with circular punch-holes */
body.theme-brutalist .pricing-ticket-trial .ticket-perforation {
  display: flex;
  align-items: center;
  position: relative;
  margin: 18px -28px;
  height: 20px;
}

body.theme-brutalist .pricing-ticket-trial .perforation-notch {
  width: 20px;
  height: 20px;
  background: #F4EEDC;
  border: 2.5px solid #000000;
  border-radius: 50%;
  position: absolute;
  z-index: 3;
}

body.theme-brutalist .pricing-ticket-trial .notch-left {
  left: -10px;
  clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
}

body.theme-brutalist .pricing-ticket-trial .notch-right {
  right: -10px;
  clip-path: polygon(0% 0%, 50% 0%, 50% 100%, 0% 100%);
}

body.theme-brutalist .pricing-ticket-trial .perforation-dashes {
  width: 100%;
  border-bottom: 2px dashed #000000;
}

/* Receipt Barcode Stub */
body.theme-brutalist .pricing-ticket-trial .ticket-barcode-stub {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 16px;
  padding-top: 10px;
  border-top: 1.5px dashed #000000;
}

body.theme-brutalist .pricing-ticket-trial .barcode-lines {
  font-family: 'Courier New', monospace;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 3px;
  line-height: 1;
  color: #000000;
  transform: scaleY(1.3);
}

body.theme-brutalist .pricing-ticket-trial .barcode-num {
  font-family: var(--font-mono);
  font-size: 9px;
  color: #424242;
  letter-spacing: 0.15em;
  margin-top: 5px;
  font-weight: 700;
}

/* Jagged / Saw-tooth Bottom Border (Mép răng cưa vé) */
body.theme-brutalist .pricing-ticket-trial .ticket-sawtooth-bottom {
  display: block;
  position: absolute;
  bottom: -8px;
  left: -2.5px;
  right: -2.5px;
  height: 9px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 8' width='16' height='8'%3E%3Cpolygon points='0,0 8,8 16,0' fill='%23FFFDF5' stroke='%23000000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-size: 16px 8px;
  z-index: 4;
}

/* ─── Plan 2: Pro Unlimited (Embossed Plastic VIP Membership Card) ────────── */
body.theme-brutalist .pricing-member-pro {
  background: linear-gradient(145deg, #FFFDF5 0%, #FFF8E7 40%, #FFEFC2 100%);
  border: 3px solid #000000;
  box-shadow: 8px 8px 0px #FF5C00;
  border-radius: 12px;
  position: relative;
  overflow: visible;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s ease;
}

body.theme-brutalist .pricing-member-pro:hover {
  transform: translate(-3px, -3px);
  box-shadow: 11px 11px 0px #FF5C00;
}

body.theme-brutalist .pricing-member-pro .member-chip-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1.5px solid rgba(0, 0, 0, 0.15);
}

body.theme-brutalist .member-gold-chip {
  width: 38px;
  height: 26px;
  background: linear-gradient(135deg, #FFE885 0%, #E5A93B 50%, #C48744 100%);
  border: 1.5px solid #000000;
  border-radius: 4px;
  box-shadow: 1.5px 1.5px 0px #000000;
  position: relative;
  overflow: hidden;
}

body.theme-brutalist .member-gold-chip .chip-line:nth-child(1) {
  position: absolute;
  top: 7px; left: 0; right: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.4);
}

body.theme-brutalist .member-gold-chip .chip-line:nth-child(2) {
  position: absolute;
  bottom: 7px; left: 0; right: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.4);
}

body.theme-brutalist .member-gold-chip .chip-core {
  position: absolute;
  top: 5px; bottom: 5px; left: 11px; right: 11px;
  border: 1px solid rgba(0, 0, 0, 0.4);
  border-radius: 2px;
}

body.theme-brutalist .member-card-title {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

body.theme-brutalist .member-type {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  background: #000000;
  color: #FFE600;
  padding: 2px 7px;
  border-radius: 3px;
  letter-spacing: 0.08em;
}

body.theme-brutalist .member-num {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: #181818;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-top: 3px;
  text-shadow: 1px 1px 0px rgba(255, 255, 255, 0.8);
}

/* Tem "POPULAR / ĐƯỢC CHỌN NHIỀU NHẤT" Đỏ Rực đóng dấu xiên góc */
body.theme-brutalist .pricing-popular-tag {
  background: #FF0055;
  color: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  border-radius: 4px;
  transform: rotate(-7deg);
  font-weight: 900;
  letter-spacing: 0.08em;
  font-size: 11px;
  padding: 6px 16px;
  position: absolute;
  top: -18px;
  right: 18px;
  outline: 1.5px dashed rgba(255, 255, 255, 0.8);
  outline-offset: -3px;
  z-index: 6;
  animation: stampPulse 3.5s ease-in-out infinite;
}

@keyframes stampPulse {
  0%, 100% { transform: rotate(-7deg) scale(1); }
  50% { transform: rotate(-5deg) scale(1.05); }
}

/* ─── Plan 3: Lifetime Supporter (Golden VIP Collector Pass) ──────────────── */
body.theme-brutalist .pricing-card-lifetime {
  background: linear-gradient(145deg, #FFFDF8 0%, #FFF7E2 40%, #FFEFC7 100%);
  border: 3px solid #000000;
  box-shadow: 6px 6px 0px #000000;
  border-radius: 12px;
  position: relative;
  overflow: visible;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.18s ease;
}

body.theme-brutalist .pricing-card-lifetime:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px #000000;
}

body.theme-brutalist .pricing-card-lifetime .lifetime-gold-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1.5px solid rgba(0, 0, 0, 0.15);
}

body.theme-brutalist .gold-hologram-pill {
  background: #000000;
  color: #FFE600;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid #000000;
  box-shadow: 2px 2px 0px #FF5C00;
  letter-spacing: 0.06em;
}

body.theme-brutalist .gold-serial-num {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 800;
  color: #181818;
  letter-spacing: 0.08em;
}

/* Tem Đóng Dấu Xanh Ngọc Cho Gói Trọn Đời */
body.theme-brutalist .lifetime-seal-stamp {
  display: inline-flex;
  align-items: center;
  position: absolute;
  top: -15px;
  right: 18px;
  background: #00B894;
  color: #FFFFFF;
  border: 2.5px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  padding: 4px 12px;
  border-radius: 4px;
  transform: rotate(4deg);
  outline: 1.5px dashed rgba(255, 255, 255, 0.8);
  outline-offset: -3px;
  z-index: 6;
}

/* ─── Nút "Đăng ký" / "Nâng cấp": Nút bấm 3D nổi viền đen siêu nảy ─────────── */
body.theme-brutalist .pricing-card-footer .btn {
  border: 2.5px solid #000000;
  box-shadow: 5px 5px 0px #000000;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 6px;
  padding: 14px 18px;
  transition: all 0.12s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

body.theme-brutalist .pricing-card-footer .btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0px #000000;
}

body.theme-brutalist .pricing-card-footer .btn:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px #000000;
}

body.theme-brutalist .pricing-card-featured .pricing-card-footer .btn-primary {
  background: #FF5C00;
  color: #FFFFFF;
}

body.theme-brutalist .pricing-card-featured .pricing-card-footer .btn-primary:hover {
  background: #FF7020;
}

body.theme-brutalist .pricing-card-footer .btn-secondary {
  background: #FFE600;
  color: #000000;
}

body.theme-brutalist .pricing-card-footer .btn-secondary:hover {
  background: #FFF066;
}

body.theme-brutalist .c-plan-opt {
  border: 2px solid #000000;
  border-radius: 6px;
  font-weight: 700;
  transition: all 0.15s ease;
}

body.theme-brutalist .c-plan-opt.active {
  background: #FFE600;
  color: #000000;
  box-shadow: 3px 3px 0px #000000;
}

body.theme-brutalist .plan-cta-btn {
  border: 2px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  font-weight: 800;
  border-radius: 6px;
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

body.theme-brutalist .plan-cta-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #000000;
}

body.theme-brutalist .plan-cta-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #000000;
}

body.theme-spatial .pricing-card {
  background: rgba(16, 20, 32, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}
body.theme-spatial .pricing-card-featured {
  border-color: rgba(99, 102, 241, 0.5);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(99, 102, 241, 0.2);
}

@media (max-width: 900px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .pricing-card-featured {
    transform: none;
  }
  .pricing-card-featured:hover {
    transform: translateY(-4px);
  }
  .vietqr-box-row {
    flex-direction: column;
  }
  .checkout-plan-selector {
    grid-template-columns: 1fr;
  }
}

/* ─── Brutalist Footer Enhancements (High Contrast & Clear Readability) ───── */
body.theme-brutalist .observatory-footer {
  border-top: 2.5px solid #000000;
  background: var(--bg-primary);
}

body.theme-brutalist .footer-desc {
  color: #111111;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.68;
}

body.theme-brutalist .footer-station-id {
  color: #E04E00;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

body.theme-brutalist .footer-nav-title {
  color: #000000;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

body.theme-brutalist .footer-col-nav a {
  color: #181818;
  font-size: 15px;
  font-weight: 600;
}

body.theme-brutalist .footer-col-nav a:hover {
  color: #FF5C00;
}

body.theme-brutalist .footer-bottom {
  border-top: 2px solid #000000;
}

body.theme-brutalist .copyright {
  color: #222222;
  font-size: 13.5px;
  font-weight: 500;
}

body.theme-brutalist .back-to-top a {
  color: #000000;
  font-size: 13.5px;
  font-weight: 800;
}

body.theme-brutalist .back-to-top a:hover {
  color: #FF5C00;
}

/* ==========================================================================
   Hero Retro Frameless Showcase (assets/retro-transparent.png on Web Grid)
   ========================================================================== */
.hero-retro-frameless-showcase {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 10px auto 36px auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: transparent;
}

.frameless-artwork-stage {
  position: relative;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: transparent;
}

.retro-frameless-img {
  width: 100%;
  height: auto;
  max-width: 1200px;
  display: block;
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 20px 36px rgba(0, 0, 0, 0.12));
  transition: transform 0.3s ease;
}

.retro-frameless-img:hover {
  transform: translateY(-2px);
}

/* Minimal Neo-Brutalist Badges for PC & Mobile (Desktop) */
.frameless-badge {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #FFFDF7;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0 #000000;
  border-radius: 6px;
  font-family: var(--font-mono, monospace);
  font-size: 0.74rem;
  font-weight: 700;
  color: #000000;
  z-index: 5;
  pointer-events: none;
  transition: transform 0.2s ease;
}

.frameless-badge .badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #FF5C00;
  box-shadow: 0 0 6px rgba(255, 92, 0, 0.5);
  flex-shrink: 0;
}

.frameless-badge .badge-dot.dot-cyan {
  background: #00B894;
  box-shadow: 0 0 6px rgba(0, 184, 148, 0.5);
}

.frameless-badge .badge-sub {
  font-size: 0.68rem;
  color: #555555;
  font-weight: 500;
  border-left: 1px solid #CCCCCC;
  padding-left: 8px;
  margin-left: 2px;
}

.badge-pc {
  top: 4%;
  left: 6%;
}

.badge-mobile {
  top: 14%;
  right: 18%;
}

/* ==========================================================================
   Punchy Neo-Pop Slogan (Prominent Section Headline Style)
   ========================================================================== */
.retro-artwork-slogan-neopop {
  text-align: center;
  margin: 26px auto 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 5;
}

.retro-slogan-headline {
  font-family: var(--font-display, 'Space Grotesk', -apple-system, sans-serif);
  font-size: clamp(1.8rem, 3vw + 0.3rem, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: #000000;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.slogan-lead-text {
  display: inline-block;
  color: #000000;
}

.slogan-highlight-box {
  background: #FFE600;
  color: #000000;
  padding: 4px 18px;
  border: 3px solid #000000;
  box-shadow: 4px 4px 0px #000000;
  display: inline-block;
  transform: rotate(-0.5deg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.slogan-highlight-box:hover {
  transform: rotate(0deg) translate(-1px, -1px);
  box-shadow: 5px 5px 0px #000000;
}

.retro-slogan-subphrase {
  font-family: var(--font-mono, monospace);
  font-size: clamp(0.85rem, 1.1vw + 0.1rem, 1.05rem);
  font-weight: 700;
  color: #111111;
  letter-spacing: 0.02em;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: #FFFDF7;
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
  border-radius: 6px;
}

.retro-slogan-subphrase .sub-dot {
  color: #FF5C00;
  font-size: 1.1rem;
}

@media (max-width: 900px) {
  .frameless-badge {
    display: none; /* Hide badges on tablet & mobile so only the pure illustration on the grid is seen */
  }
  .hero-retro-frameless-showcase {
    margin: 8px auto 20px auto;
  }
  .retro-frameless-img {
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
  }
}

@media (max-width: 600px) {
  .retro-artwork-slogan-neopop {
    margin-top: 18px;
    gap: 10px;
  }
  .retro-slogan-headline {
    font-size: 1.55rem;
    gap: 4px;
  }
  .slogan-highlight-box {
    padding: 3px 12px;
    border-width: 2.5px;
    box-shadow: 3px 3px 0px #000000;
  }
  .retro-slogan-subphrase {
    font-size: 0.78rem;
    padding: 4px 12px;
  }
}