/* ==========================================================================
   TSAGAAN SAR — A LIVING TRADITION
   Art-Directed Spatial Experience & Design System
   80% Obsidian/Midnight | 15% Ivory & Frost | 5% Hearth Amber & Gold
   ========================================================================== */

:root {
  --bg-void: #06080d;
  --bg-deep: #080b10;
  --bg-surface: #0e1422;
  --bg-elevated: rgba(14, 20, 34, 0.72);
  --bg-elevated-hover: rgba(22, 32, 54, 0.88);

  --text-primary: #f2eee5;
  --text-secondary: #bcc7cf;
  --text-muted: #647387;

  --accent-amber: #e89e43;
  --accent-gold: #c99a57;
  --accent-amber-glow: rgba(232, 158, 67, 0.28);
  --accent-frost: #a4c2e6;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(201, 154, 87, 0.35);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 9999px;

  --glass-blur: blur(24px);
  --shadow-spatial: 0 24px 60px -12px rgba(0, 0, 0, 0.75);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  line-height: 1.6;
  background-color: var(--bg-void);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

body.loading-state {
  overflow: hidden;
}

/* Persistent Spatial Atmosphere Canvas */
.atmosphere-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

/* ==========================================================================
   PROLOGUE INTRO ("FROM THE VOID TO THE STEPPE")
   ========================================================================== */

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background-color: var(--bg-void);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.9s ease;
}

.intro-overlay.dismissed {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-void {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px;
  text-align: center;
}

.intro-beacon {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-amber);
  box-shadow: 0 0 16px 4px var(--accent-amber), 0 0 40px 10px rgba(232, 158, 67, 0.4);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: beaconPulse 2.4s ease-in-out infinite alternate;
}

@keyframes beaconPulse {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(1.6); opacity: 1; }
}

.intro-horizon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent-amber) 50%, transparent 100%);
  opacity: 0;
  transition: width 1.2s ease, opacity 1s ease;
}

.intro-horizon.expanded {
  width: 70vw;
  opacity: 0.8;
}

.intro-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 680px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-content.revealed {
  opacity: 1;
  transform: translateY(0);
}

.intro-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-amber);
}

.intro-title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  letter-spacing: 2px;
  color: #ffffff;
  line-height: 1;
}

.intro-lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  letter-spacing: 1.5px;
  color: var(--accent-frost);
}

.intro-question {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.5;
  margin-top: 10px;
}

.intro-enter-btn {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(232, 158, 67, 0.2), rgba(201, 154, 87, 0.05));
  border: 1px solid var(--border-gold);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.intro-enter-btn:hover {
  background: var(--accent-amber);
  color: #080b10;
  box-shadow: 0 0 24px var(--accent-amber-glow);
}

.btn-arrow {
  transition: transform 0.3s ease;
}

.intro-enter-btn:hover .btn-arrow {
  transform: translateX(4px);
}

.intro-skip-btn {
  position: absolute;
  top: 24px;
  right: 28px;
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.intro-skip-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-amber);
}

/* ==========================================================================
   STICKY HEADER
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(6, 8, 13, 0.88);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  max-width: 1440px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  background: linear-gradient(135deg, var(--accent-amber), #9c6218);
  color: #080b10;
  font-weight: 700;
  font-size: 0.9rem;
}

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

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: #ffffff;
  line-height: 1.1;
}

.brand-tag {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-amber);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* PRESENT BUTTON (Desktop Only: min-width: 900px) */
.present-btn {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(232, 158, 67, 0.25), rgba(201, 154, 87, 0.1));
  border: 1px solid var(--accent-gold);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.present-btn:hover {
  background: var(--accent-amber);
  color: #080b10;
  box-shadow: 0 0 18px var(--accent-amber-glow);
}

.present-icon {
  font-size: 0.75rem;
  color: inherit;
}

.header-pill {
  font-size: 0.75rem;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.2s ease;
}

.header-pill:hover {
  color: var(--text-primary);
  border-color: var(--accent-amber);
}

.sound-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  transition: all 0.25s ease;
}

.sound-btn:hover {
  color: var(--text-primary);
  border-color: var(--accent-amber);
}

.icon-sound {
  width: 18px;
  height: 18px;
}

.sound-wave { display: none; }
.sound-mute-line { display: block; }

.sound-btn.music-active {
  color: var(--accent-amber);
  border-color: var(--accent-amber);
  background: rgba(232, 158, 67, 0.15);
  box-shadow: 0 0 12px var(--accent-amber-glow);
}

.sound-btn.music-active .sound-wave { display: block; }
.sound-btn.music-active .sound-mute-line { display: none; }

/* ==========================================================================
   PRESENTATION CONTROLLER UI (Active during presentation-active)
   ========================================================================== */

.presentation-controls {
  display: none;
}

body.presentation-active .presentation-controls {
  display: block;
}

body.presentation-active .site-header {
  display: none;
}

.exit-present-btn {
  position: fixed;
  top: 24px;
  right: 28px;
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 8, 13, 0.85);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.exit-present-btn:hover {
  color: #ffffff;
  border-color: var(--accent-amber);
}

.kbd-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.65rem;
  color: var(--text-muted);
}

.constellation-nav {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(6, 8, 13, 0.75);
  backdrop-filter: var(--glass-blur);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
}

.constellation-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--text-muted);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.constellation-dot.active {
  width: 24px;
  border-radius: var(--radius-pill);
  background-color: var(--accent-amber);
  box-shadow: 0 0 10px var(--accent-amber);
}

.presentation-tracker {
  position: fixed;
  bottom: 28px;
  left: 32px;
  z-index: 500;
  display: flex;
  flex-direction: column;
}

.tracker-chap {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-amber);
}

.tracker-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #ffffff;
  letter-spacing: 1px;
}

.nav-edge {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 450;
  width: 60px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 2.5rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease, color 0.2s ease;
}

.nav-edge:hover {
  opacity: 0.8;
  color: var(--accent-amber);
}

.edge-left { left: 0; }
.edge-right { right: 0; }

/* ==========================================================================
   SCENE PANELS & SPATIAL ENGINE
   ========================================================================== */

.experience-stage {
  position: relative;
  z-index: 2;
  width: 100%;
}

.scene-panel {
  position: relative;
  width: 100%;
  padding: 60px 24px;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 16:9 Presentation Mode Viewport Lock */
body.presentation-active {
  overflow: hidden;
  height: 100vh;
}

body.presentation-active .experience-stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

body.presentation-active .scene-panel {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: 100vh;
  max-width: none;
  margin: 0;
  padding: 6vh 6vw;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.97) translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

body.presentation-active .scene-panel.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1) translateY(0);
}

/* Common Layout Grids */
.scene-grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  width: 100%;
}

@media (min-width: 900px) {
  .scene-grid-two {
    grid-template-columns: 1.15fr 1fr;
    gap: 60px;
  }
}

/* Visual Frames & Images */
.visual-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-spatial);
  background-color: #000000;
}

.scene-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.visual-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(6, 8, 13, 0.88);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-primary);
}

.badge-icon {
  color: var(--accent-amber);
}

/* Subtle Golden Gesture Beam (Scene 01 Zolgolt) */
.gesture-light-beam {
  position: absolute;
  top: 52%;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-amber), transparent);
  box-shadow: 0 0 16px 2px var(--accent-amber);
  opacity: 0.75;
  animation: beamGaze 3s ease-in-out infinite alternate;
}

@keyframes beamGaze {
  0% { opacity: 0.3; transform: scaleX(0.85); }
  100% { opacity: 0.85; transform: scaleX(1.05); }
}

/* Glass Panels & Editorial Typography */
.glass-panel {
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-spatial);
}

.chapter-eyebrow {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-amber);
  margin-bottom: 8px;
}

.chapter-eyebrow.centered {
  text-align: center;
}

.scene-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  line-height: 1.05;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.scene-big-statement {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
  margin-bottom: 4px;
}

.scene-statement-line {
  font-size: 1.05rem;
  color: var(--accent-frost);
  margin-bottom: 18px;
}

.editorial-card {
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.editorial-body {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Presentation-specific font scaling for large classroom projectors (24px+ body, 32-56px statement, 64px+ title) */
body.presentation-active .scene-title {
  font-size: clamp(3.6rem, 5.5vw, 5.4rem);
  line-height: 1.0;
  margin-bottom: 12px;
}

body.presentation-active .scene-big-statement {
  font-size: clamp(2.0rem, 3.2vw, 3.2rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 8px;
}

body.presentation-active .scene-statement-line {
  font-size: clamp(1.4rem, 2.0vw, 1.85rem);
  line-height: 1.35;
  color: var(--accent-frost);
  margin-bottom: 20px;
}

body.presentation-active .editorial-card {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none;
  box-shadow: none;
  padding: 0;
  gap: 16px;
}

body.presentation-active .editorial-body {
  font-size: clamp(1.4rem, 1.8vw, 1.65rem);
  line-height: 1.5;
}

body.presentation-active .interactive-accordion {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 14px;
}

body.presentation-active .accordion-trigger {
  font-size: 1.15rem;
}

body.presentation-active .accordion-content p {
  font-size: 1.25rem;
  line-height: 1.6;
}

body.presentation-active .pill-kicker {
  font-size: 1.05rem;
}

body.presentation-active .pill-note {
  font-size: 1.25rem;
}

body.presentation-active .hotspot-btn {
  font-size: 1.05rem;
  padding: 8px 22px;
}

body.presentation-active .hotspot-card-title {
  font-size: 1.55rem;
}

body.presentation-active .hotspot-card-desc {
  font-size: 1.35rem;
}

body.presentation-active .continuity-display-title {
  font-size: clamp(3.4rem, 6vw, 5.4rem);
}

body.presentation-active .continuity-statement {
  font-size: 1.85rem;
}

body.presentation-active .facet-marker {
  font-size: 1.8rem;
}

body.presentation-active .facet-headline {
  font-size: 1.6rem;
}

body.presentation-active .facet-desc {
  font-size: 1.2rem;
}

body.presentation-active .triad-role {
  font-size: 1.1rem;
}

body.presentation-active .triad-action {
  font-size: clamp(3.8rem, 6.5vw, 6rem);
}

body.presentation-active .triad-sub {
  font-size: 1.35rem;
  max-width: 280px;
}

body.presentation-active .generations-conclusion {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-top: 14px;
}

body.presentation-active .monumental-quote {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
}

body.presentation-active .reflection-lead {
  font-size: 1.45rem;
}

body.presentation-active .box-text {
  font-size: 1.55rem;
}

.visual-frame-warm {
  box-shadow: var(--shadow-spatial), 0 0 60px rgba(232, 158, 67, 0.14);
}

/* Hotspot Interactive Elements (Scene 02) */
.hotspot-intro-cue {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.cue-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.hotspot-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hotspot-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.25s ease;
}

.hotspot-btn:hover, .hotspot-btn.active {
  background: var(--accent-amber);
  color: #080b10;
  border-color: var(--accent-amber);
  box-shadow: 0 0 14px var(--accent-amber-glow);
}

.hotspot-card {
  background: rgba(6, 8, 13, 0.65);
  border-left: 3px solid var(--accent-amber);
  padding: 14px 18px;
  border-radius: var(--radius-xs);
  transition: all 0.3s ease;
}

.hotspot-card-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #ffffff;
  margin-bottom: 4px;
}

.hotspot-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Cultural Pills Row (Scene 03) */
.cultural-pills-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pill-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 14px;
}

.pill-kicker {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-amber);
}

.pill-note {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Scene 04: Continuity Three-Stage Horizon */
.continuity-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
  width: 100%;
}

.continuity-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.continuity-display-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  color: #ffffff;
  line-height: 1.1;
}

.continuity-display-title em {
  font-style: italic;
  color: var(--accent-frost);
}

.continuity-statement {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.35rem;
  color: var(--accent-amber);
  margin-top: 6px;
}

.three-facets-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 900px) {
  .three-facets-container {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

.facet-tab-item {
  background: var(--bg-elevated);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.facet-tab-item:hover, .facet-tab-item.active {
  border-color: var(--accent-amber);
  background: var(--bg-elevated-hover);
  box-shadow: 0 0 24px rgba(232, 158, 67, 0.15);
}

.facet-marker {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-amber);
  margin-bottom: 6px;
}

.facet-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
}

.facet-headline {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  margin-bottom: 6px;
}

.facet-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.continuity-media-card {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-spatial);
  aspect-ratio: 16 / 9;
}

.continuity-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Scene 05: Generations Monumental Triad */
.generations-spatial-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.monumental-triad {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  width: 100%;
}

@media (min-width: 900px) {
  .monumental-triad {
    flex-direction: row;
    justify-content: space-around;
    gap: 0;
  }
}

.triad-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.triad-role {
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent-amber);
}

.triad-action {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 700;
  letter-spacing: 2px;
  color: #ffffff;
  line-height: 1;
}

.triad-sub {
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: 250px;
  line-height: 1.4;
}

.triad-separator {
  color: var(--text-muted);
  font-size: 1.2rem;
}

.generations-conclusion {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.25rem, 3vw, 1.9rem);
  color: var(--accent-frost);
  line-height: 1.4;
}

/* Scene 06: Reflection, QR & Sources */
.reflection-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  width: 100%;
}

@media (min-width: 900px) {
  .reflection-layout {
    grid-template-columns: 1.25fr 1fr;
    gap: 48px;
  }
}

.reflection-core {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.monumental-quote {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3rem);
  line-height: 1.2;
  color: #ffffff;
  font-style: italic;
  border-left: 4px solid var(--accent-amber);
  padding-left: 20px;
}

.reflection-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.audience-prompt-box {
  background: rgba(232, 158, 67, 0.08);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
}

.box-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-amber);
  display: block;
  margin-bottom: 6px;
}

.box-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: #ffffff;
}

.reflection-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.qr-card {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.qr-media {
  width: 125px;
  height: 125px;
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 6px;
  flex-shrink: 0;
}

.qr-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.qr-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qr-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent-amber);
}

.qr-link {
  font-family: monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.qr-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.sources-drawer {
  padding: 22px 24px;
}

.sources-header {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sources-list li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.5;
  border-left: 2px solid var(--border-subtle);
  padding-left: 12px;
}

.sources-list strong {
  color: #ffffff;
}

.sources-list code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-amber);
}

/* Accordion Styling */
.interactive-accordion {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  color: var(--accent-frost);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  text-align: left;
}

.accordion-trigger .arrow {
  transition: transform 0.3s ease;
}

.accordion-trigger[aria-expanded="true"] .arrow {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.4);
  border-left: 2px solid var(--accent-amber);
}

.accordion-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.accordion-content.open {
  display: block;
}

/* Hero Section Elements */
.scene-hero {
  position: relative;
  min-height: 94vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.scene-media-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: #080b10 url('assets/hero-720.webp') center/cover no-repeat;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-video.video-ready {
  opacity: 1;
}

.media-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(6, 8, 13, 0.2) 0%, rgba(6, 8, 13, 0.85) 80%, var(--bg-void) 100%);
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 680px;
  text-align: left;
}

.hero-display-title {
  font-family: var(--font-serif);
  font-size: clamp(3.4rem, 7.5vw, 5.6rem);
  line-height: 0.95;
  color: #ffffff;
  font-weight: 700;
}

.hero-display-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.45rem;
  color: var(--accent-frost);
}

.simple-statement-card {
  padding: 16px 0;
}

.statement-hero {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 6px;
}

.statement-sub {
  font-size: 0.96rem;
  color: var(--text-secondary);
}

.mobile-scroll-cue {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.cue-text {
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.cue-bar {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--text-muted), transparent);
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 32px 20px;
  border-top: 1px solid var(--border-subtle);
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-secondary);
}

.footer-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Desktop Responsive Rules (>= 900px) */
@media (min-width: 900px) {
  .present-btn {
    display: inline-flex;
  }
  
  .mobile-only-pill {
    display: none;
  }
  
  .mobile-scroll-cue {
    display: none;
  }
}