/* ==========================================================================
   SNOW OWL CINEMATICS (雪鸮鹄影) — MUSIC VIDEO PRODUCTION ATELIER
   Light Mode Design System & Editorial Studio Styling
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700;800;900&family=Outfit:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Editorial Light Palette - Arctic Studio */
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(241, 245, 249, 0.7);
  --bg-glass-subtle: rgba(255, 255, 255, 0.6);
  --bg-dark-accent: #0f172a;

  /* Typography Colors */
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;
  --text-light: #94a3b8;

  /* Brand Accents */
  --frost-cyan: #0284c7;
  --frost-cyan-light: #38bdf8;
  --frost-cyan-bg: rgba(2, 132, 199, 0.08);
  --frost-cyan-glow: rgba(2, 132, 199, 0.25);

  --aurora-teal: #0d9488;
  --aurora-teal-light: #2dd4bf;
  --aurora-teal-bg: rgba(13, 148, 136, 0.08);

  --champagne-gold: #b45309;
  --champagne-gold-light: #d97706;
  --champagne-gold-bg: rgba(217, 119, 6, 0.08);
  --champagne-gold-glow: rgba(217, 119, 6, 0.2);

  --velvet-crimson: #be123c;
  --velvet-crimson-glow: rgba(190, 18, 60, 0.2);

  /* Borders & Shadows */
  --border-light: rgba(203, 213, 225, 0.8);
  --border-glass: rgba(226, 232, 240, 0.9);
  --border-focus: #0284c7;
  --border-gold: rgba(217, 119, 6, 0.35);

  --shadow-subtle: 0 4px 20px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.07), 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 45px rgba(15, 23, 42, 0.09), 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.18);

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-display: 'Cinzel', serif;
  --font-mono: 'Space Grotesk', monospace;
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-spring);
  --transition-smooth: 0.35s var(--ease-spring);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: light;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(186, 230, 253, 0.35) 0%, transparent 55%),
    radial-gradient(circle at 10% 40%, rgba(204, 251, 241, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 90% 70%, rgba(254, 243, 199, 0.25) 0%, transparent 45%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  background-attachment: fixed;
}

/* Custom Text Highlight */
::selection {
  background: var(--frost-cyan-light);
  color: #ffffff;
}

/* Interactive Particle Canvas */
#stage-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
}

/* Studio Volumetric Lighting Cursor */
.spotlight-beam {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(circle 380px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(2, 132, 199, 0.05) 0%, transparent 75%);
  transition: opacity 0.4s ease;
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.1rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
}

.site-nav.scrolled {
  padding: 0.85rem 3rem;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
}

.brand-crest {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1.5px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
  color: var(--frost-cyan);
  font-size: 1.1rem;
  box-shadow: var(--shadow-subtle);
  position: relative;
}

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

.brand-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-main);
}

.brand-subtitle {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--champagne-gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  align-items: center;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--frost-cyan), var(--champagne-gold-light));
  transition: width var(--transition-smooth);
}

.nav-link:hover {
  color: var(--frost-cyan);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Audio Player Widget */
.audio-controller {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-surface);
  padding: 0.4rem 1rem;
  border-radius: 30px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.audio-controller:hover {
  border-color: var(--frost-cyan);
  box-shadow: var(--shadow-glow);
}

.audio-icon {
  font-size: 0.9rem;
  color: var(--frost-cyan);
}

.audio-wave {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.audio-bar {
  width: 2px;
  height: 4px;
  background: var(--frost-cyan);
  border-radius: 1px;
}

.audio-playing .audio-bar:nth-child(1) { animation: wave 0.8s ease-in-out infinite alternate; }
.audio-playing .audio-bar:nth-child(2) { animation: wave 1.1s ease-in-out infinite alternate 0.2s; }
.audio-playing .audio-bar:nth-child(3) { animation: wave 0.9s ease-in-out infinite alternate 0.4s; }
.audio-playing .audio-bar:nth-child(4) { animation: wave 1.3s ease-in-out infinite alternate 0.1s; }

@keyframes wave {
  0% { height: 3px; }
  100% { height: 14px; }
}

.audio-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-muted);
}

/* Back Link to Hub */
.btn-hub-back {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-fast);
}

.btn-hub-back:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  transform: translateX(-2px);
}

/* ==========================================================================
   HERO / STUDIO SHOWREEL SECTION
   ========================================================================== */
.hero-section {
  min-height: 94vh;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 8rem 2rem 5rem;
  text-align: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.4rem 1.25rem;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 1.75rem;
}

.badge-live-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--frost-cyan);
  box-shadow: 0 0 8px var(--frost-cyan);
  animation: pulseLive 2s infinite ease-in-out;
}

@keyframes pulseLive {
  0%, 100% { opacity: 0.6; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.2); }
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hero-title-container {
  max-width: 980px;
  margin-bottom: 1.5rem;
}

.hero-main-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6.2vw, 5.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.hero-main-title span.italic-accent {
  font-style: italic;
  font-weight: 400;
  color: var(--frost-cyan);
}

.hero-sub-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: 0.2em;
  color: var(--champagne-gold);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.hero-description {
  max-width: 680px;
  margin: 0 auto 2.5rem;
  font-size: 1.08rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.75;
}

.hero-description strong {
  color: var(--text-main);
  font-weight: 600;
}

/* CTA Group */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 3.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--text-main);
  color: #ffffff;
  padding: 0.9rem 2.2rem;
  border-radius: 8px;
  border: 1px solid var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background: var(--frost-cyan);
  border-color: var(--frost-cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-surface);
  color: var(--text-main);
  padding: 0.9rem 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: #ffffff;
  border-color: var(--frost-cyan);
  color: var(--frost-cyan);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Interactive Motion Capture Stage in Hero */
.hero-stage-interactive {
  width: 100%;
  max-width: 980px;
  height: 330px;
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding: 1.5rem;
}

.stage-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(2, 132, 199, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(2, 132, 199, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.ice-stage-floor {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 45%;
  background: linear-gradient(180deg, rgba(224, 242, 254, 0.5) 0%, rgba(186, 230, 253, 0.7) 100%);
  border-top: 1px solid rgba(2, 132, 199, 0.25);
}

.dancer-silhouette-stage {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform var(--transition-smooth);
}

.dancer-silhouette-stage:hover {
  transform: translateX(-50%) scale(1.06);
}

.dancer-svg {
  width: 130px;
  height: 170px;
  filter: drop-shadow(0 8px 18px rgba(2, 132, 199, 0.3));
  animation: dancerSway 4s ease-in-out infinite alternate;
}

@keyframes dancerSway {
  0% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
  100% { transform: translateY(0) rotate(-1deg); }
}

.dancer-ripple {
  width: 150px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--frost-cyan-light);
  animation: rippleGlow 3s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

@keyframes rippleGlow {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(1.7); opacity: 0; }
}

.stage-tip {
  position: relative;
  z-index: 10;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.9);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
}

/* ==========================================================================
   SECTION COMMON LAYOUT
   ========================================================================== */
.content-section {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6.5rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--champagne-gold);
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.section-desc {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.02rem;
  color: var(--text-muted);
  font-weight: 400;
}

.section-divider {
  width: 60px;
  height: 2px;
  margin: 1.25rem auto 0;
  background: linear-gradient(90deg, transparent, var(--frost-cyan), transparent);
}

/* ==========================================================================
   1. FEATURED PRODUCTIONS & CASE STUDIES
   ========================================================================== */
.productions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.75rem;
}

.production-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 14px;
  padding: 2.2rem 1.85rem;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.production-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--frost-cyan);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.card-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.card-reel-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--champagne-gold);
  letter-spacing: 0.1em;
}

.card-genre-pill {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--frost-cyan);
  background: var(--frost-cyan-bg);
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.3rem;
}

.card-subtitle {
  font-size: 0.84rem;
  font-family: var(--font-mono);
  color: var(--text-subtle);
  margin-bottom: 1.25rem;
}

.card-summary {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-specs-box {
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--frost-cyan);
  padding: 0.85rem 1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.specs-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

/* ==========================================================================
   2. CREATIVE DIRECTOR & PRODUCTION DOSSIER
   ========================================================================== */
.dossier-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 3.5rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}

.dossier-visual-column {
  display: flex;
  justify-content: center;
  align-items: center;
}

.director-card-3d {
  width: 100%;
  max-width: 380px;
  height: 490px;
  background: linear-gradient(145deg, #ffffff 0%, #f0f9ff 100%);
  border: 1.5px solid var(--border-light);
  border-radius: 16px;
  padding: 2.2rem 2rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  position: relative;
  transition: transform 0.15s ease-out;
  transform-style: preserve-3d;
}

.lens-aperture-badge {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--frost-cyan);
  box-shadow: 0 4px 16px var(--frost-cyan-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--frost-cyan);
  font-size: 1.4rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.lens-aperture-badge:hover {
  transform: scale(1.12) rotate(30deg);
}

.director-silhouette-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.director-char-svg {
  max-width: 210px;
  max-height: 250px;
  filter: drop-shadow(0 10px 20px rgba(2, 132, 199, 0.25));
  transition: all var(--transition-smooth);
}

.director-card-footer {
  width: 100%;
  text-align: center;
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
}

.director-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.director-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--champagne-gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Right Column Details */
.dossier-info-column {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.director-header-meta {
  margin-bottom: 1.5rem;
}

.director-label-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--frost-cyan);
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.4rem;
}

.director-main-headline {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.15;
  margin-bottom: 0.4rem;
}

.director-motto {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--champagne-gold);
}

.director-quote-box {
  background: #f8fafc;
  border-left: 3px solid var(--champagne-gold);
  border-radius: 0 10px 10px 0;
  padding: 1.25rem 1.5rem;
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.lens-profile-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.lens-profile-tabs {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.profile-tab-btn {
  background: #ffffff;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-subtle);
}

.profile-tab-btn:hover {
  border-color: var(--frost-cyan);
  color: var(--text-main);
}

.profile-tab-btn.active {
  background: var(--frost-cyan-bg);
  border-color: var(--frost-cyan);
  color: var(--frost-cyan);
  box-shadow: 0 0 15px var(--frost-cyan-glow);
}

/* Production Capabilities Grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.cap-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 1.1rem 0.9rem;
  text-align: center;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-fast);
}

.cap-item:hover {
  border-color: var(--frost-cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.cap-icon {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.cap-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.cap-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--champagne-gold);
}

/* ==========================================================================
   3. VIRTUAL LIGHTING & STORYBOARD STUDIO
   ========================================================================== */
.studio-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.studio-toolbar {
  padding: 1.1rem 2rem;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.toolbar-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gel-button {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.gel-button:hover {
  transform: scale(1.2);
}

.gel-button.active {
  border-color: var(--text-main);
  box-shadow: 0 0 10px rgba(15, 23, 42, 0.4);
}

.gel-cyan { background: var(--frost-cyan); }
.gel-teal { background: var(--aurora-teal); }
.gel-amber { background: var(--champagne-gold-light); }
.gel-crimson { background: var(--velvet-crimson); }

.tool-action-btn {
  background: #ffffff;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 0.45rem 1rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-action-btn:hover {
  border-color: var(--frost-cyan);
  color: var(--frost-cyan);
  background: var(--frost-cyan-bg);
}

.studio-canvas-container {
  position: relative;
  width: 100%;
  height: 450px;
  background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
  cursor: crosshair;
}

#ice-choreography-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.canvas-hint-tag {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.92);
  padding: 0.4rem 1.25rem;
  border-radius: 30px;
  border: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  box-shadow: var(--shadow-subtle);
  pointer-events: none;
}

/* ==========================================================================
   4. BESPOKE PRODUCTION PASS & PROJECT BUILDER
   ========================================================================== */
.booking-section-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* Golden Embossed Production Pass */
.production-pass-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 1.5px solid var(--champagne-gold);
  border-radius: 16px;
  box-shadow: var(--shadow-lg), 0 0 25px var(--champagne-gold-glow);
  position: relative;
  overflow: hidden;
  display: flex;
  transition: transform var(--transition-smooth);
}

.production-pass-card:hover {
  transform: translateY(-4px);
}

.pass-left-section {
  flex: 1;
  padding: 2.5rem;
  border-right: 2px dashed rgba(217, 119, 6, 0.4);
  position: relative;
}

.pass-cutout-top, .pass-cutout-bottom {
  position: absolute;
  right: -13px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 1.5px solid var(--champagne-gold);
  z-index: 5;
}
.pass-cutout-top { top: -13px; }
.pass-cutout-bottom { bottom: -13px; }

.pass-header-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--champagne-gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.pass-main-title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.15;
  margin-bottom: 0.2rem;
}

.pass-sub-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--frost-cyan);
  letter-spacing: 0.08em;
  margin-bottom: 1.75rem;
}

.pass-specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.pass-field-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pass-field-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.pass-right-section {
  width: 145px;
  background: #f1f5f9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 1rem;
  text-align: center;
}

.studio-wax-seal {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--velvet-crimson) 0%, #881337 100%);
  border: 2px solid rgba(254, 243, 199, 0.9);
  box-shadow: 0 4px 15px var(--velvet-crimson-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
}

.pass-barcode {
  display: flex;
  gap: 2.5px;
  height: 45px;
  align-items: center;
}

.barcode-bar {
  background: var(--text-main);
  height: 100%;
}

/* Booking Customizer Form */
.booking-form-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
}

.form-heading {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.form-subheading {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.form-control-group {
  margin-bottom: 1.25rem;
}

.control-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.control-input {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.94rem;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-fast);
}

.control-input:focus {
  outline: none;
  border-color: var(--frost-cyan);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* ==========================================================================
   ATTRIBUTION & INSPIRATION BANNER
   ========================================================================== */
.credits-banner {
  margin-top: 4.5rem;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 2.2rem 2.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.75rem;
  box-shadow: var(--shadow-subtle);
}

.credits-info {
  max-width: 680px;
}

.credits-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.credits-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.credits-text a {
  color: var(--frost-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

.btn-bilibili-ref {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #00a1d6;
  color: #ffffff;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 161, 214, 0.3);
  transition: all var(--transition-fast);
}

.btn-bilibili-ref:hover {
  background: #00b5f5;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 161, 214, 0.45);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-glass);
  background: #ffffff;
  padding: 3.5rem 2rem 2.5rem;
  text-align: center;
}

.footer-crest {
  margin-bottom: 1rem;
  display: inline-block;
  font-size: 1.5rem;
  color: var(--frost-cyan);
}

.footer-quote {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 1.5rem;
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-subtle);
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 992px) {
  .site-nav {
    padding: 1rem 1.5rem;
  }
  .nav-links {
    display: none;
  }
  .dossier-wrapper {
    grid-template-columns: 1fr;
    padding: 2.2rem;
  }
  .booking-section-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-section {
    padding: 6.5rem 1rem 3.5rem;
  }
  .hero-main-title {
    font-size: 2.5rem;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  .production-pass-card {
    flex-direction: column;
  }
  .pass-left-section {
    border-right: none;
    border-bottom: 2px dashed rgba(217, 119, 6, 0.4);
    padding: 1.75rem;
  }
  .pass-right-section {
    width: 100%;
    padding: 1.5rem;
  }
  .pass-cutout-top, .pass-cutout-bottom {
    display: none;
  }
}