:root {
  --bg: #12100E;
  --accent: #FF8A3D;
  --accent-gold: #FFC65C;
  --text-main: #F7F1E8;
  --text-sub: #C4B6A6;
  --text-weak: #8A7C6D;
  --border: rgba(255, 198, 92, .18);
  --font-sans: -apple-system, "PingFang SC", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; object-fit: cover; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Typography */
h1 { font-size: 2.5rem; line-height: 1.2; margin-bottom: 1rem; }
h2 { font-size: 1.8rem; margin-bottom: 1.5rem; color: var(--accent-gold); }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; color: var(--text-main); }
p { color: var(--text-sub); margin-bottom: 1rem; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Nav */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(18, 16, 14, 0.8); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 1rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  transition: padding 0.3s ease;
}
.navbar.scrolled .nav-inner { padding: 0.5rem 2rem; }
.brand { display: flex; align-items: center; gap: 0.5rem; font-weight: bold; font-size: 1.2rem; }
.brand img { height: 32px; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { font-size: 0.9rem; color: var(--text-sub); transition: color 0.3s; }
.nav-links a:hover { color: var(--accent); }
.btn {
  background: var(--accent); color: #000; padding: 0.6rem 1.2rem;
  border-radius: 99px; font-weight: bold; font-size: 0.9rem;
  border: none; cursor: pointer; transition: transform 0.2s;
}
.btn:hover { transform: scale(1.05); }
.menu-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 1.5rem; cursor: pointer; }

/* Sections */
section { padding: 6rem 2rem; position: relative; overflow: hidden; }
.container { max-width: 1200px; margin: 0 auto; position: relative; z-index: 10; }
.bg-glow-1 { background: radial-gradient(circle at 10% 20%, rgba(255, 138, 61, 0.08) 0%, transparent 50%); }
.bg-glow-2 { background: radial-gradient(circle at 90% 80%, rgba(255, 198, 92, 0.08) 0%, transparent 50%); }

/* Hero */
.hero { display: flex; align-items: center; gap: 4rem; padding-top: 8rem; }
.hero-content { flex: 1; }
.hero-trust { display: flex; flex-direction: column; gap: 0.8rem; margin: 2rem 0; }
.trust-item { display: flex; align-items: center; gap: 0.8rem; color: var(--text-main); font-size: 1rem; }
.trust-item svg { width: 20px; height: 20px; fill: var(--accent-gold); }
.hero-actions { display: flex; gap: 1rem; margin-top: 2rem; }
.btn-outline {
  background: transparent; color: var(--text-main); border: 1px solid var(--border);
  padding: 0.6rem 1.2rem; border-radius: 99px; font-weight: bold; font-size: 0.9rem;
  cursor: pointer; transition: background 0.3s;
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.05); }

.hero-visual { flex: 1; position: relative; display: flex; justify-content: center; }
.phone-mockup {
  width: 280px; height: 580px; border-radius: 40px; border: 8px solid #333;
  background: #000; position: relative; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  z-index: 2;
}
.phone-video { width: 100%; height: 100%; object-fit: cover; }
.phone-tag {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
  padding: 0.5rem; border-radius: 8px; text-align: center; font-size: 0.9rem;
  border: 1px solid var(--border);
}
.collage-wall {
  position: absolute; top: 0; right: 0; bottom: 0; left: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  opacity: 0.3; transform: rotate(-5deg) scale(1.1); z-index: 1;
}
.collage-wall img { border-radius: 8px; }

/* Top List */
.toplist-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.list-item { display: flex; gap: 1rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.list-rank { font-family: var(--font-mono); font-size: 1.5rem; color: var(--accent); width: 30px; text-align: center; }
.list-cover { width: 80px; aspect-ratio: 3/4; border-radius: 6px; object-fit: cover; }
.list-info { flex: 1; }
.list-title { font-size: 1.1rem; color: var(--text-main); margin-bottom: 0.2rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-meta { font-size: 0.8rem; color: var(--text-weak); display: flex; gap: 0.5rem; align-items: center; }
.tag { background: rgba(255, 198, 92, 0.1); color: var(--accent-gold); padding: 0.1rem 0.4rem; border-radius: 4px; font-size: 0.75rem; }

/* Mood Categories */
.mood-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.mood-card { background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; cursor: pointer; transition: all 0.3s; }
.mood-card:hover { background: rgba(255,255,255,0.05); border-color: var(--accent); }
.mood-title { font-size: 1.2rem; color: var(--accent-gold); margin-bottom: 0.5rem; }
.mood-count { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-weak); }

/* Experience */
.exp-layout { display: flex; gap: 4rem; align-items: center; }
.exp-list { flex: 1; display: flex; flex-direction: column; gap: 1.5rem; }
.exp-item { display: flex; gap: 1rem; align-items: flex-start; cursor: pointer; padding: 1rem; border-radius: 8px; transition: background 0.3s; }
.exp-item:hover, .exp-item.active { background: rgba(255,198,92,0.05); }
.exp-icon { width: 24px; height: 24px; fill: var(--accent-gold); flex-shrink: 0; }
.exp-text h3 { font-size: 1.1rem; margin-bottom: 0.2rem; }
.exp-text p { font-size: 0.9rem; margin-bottom: 0; color: var(--text-sub); }
.exp-visual { flex: 1; display: flex; justify-content: center; }

/* Actors */
.actor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.actor-card { perspective: 1000px; height: 320px; }
.actor-inner { position: relative; width: 100%; height: 100%; text-align: center; transition: transform 0.6s; transform-style: preserve-3d; cursor: pointer; }
.actor-card:hover .actor-inner, .actor-card.flipped .actor-inner { transform: rotateY(180deg); }
.actor-front, .actor-back { position: absolute; width: 100%; height: 100%; -webkit-backface-visibility: hidden; backface-visibility: hidden; border-radius: 12px; overflow: hidden; }
.actor-front { background: #000; border: 1px solid var(--border); }
.actor-front img { width: 100%; height: 80%; object-fit: cover; }
.actor-info { padding: 0.5rem; background: rgba(0,0,0,0.8); height: 20%; display: flex; flex-direction: column; justify-content: center; }
.actor-name { font-weight: bold; color: var(--text-main); }
.actor-role { font-size: 0.8rem; color: var(--text-weak); }
.actor-back { background: #2A221C; transform: rotateY(180deg); border: 1px solid var(--accent); display: flex; flex-direction: column; justify-content: center; padding: 1.5rem; }
.actor-bio { font-size: 0.85rem; color: var(--text-sub); margin-bottom: 1rem; text-align: left; line-height: 1.5; }
.actor-back .btn-outline { padding: 0.4rem 1rem; font-size: 0.8rem; }

/* Tracker */
.tracker-shelf { display: flex; gap: 1rem; overflow-x: auto; padding: 1rem 0; scrollbar-width: none; }
.tracker-shelf::-webkit-scrollbar { display: none; }
.tracker-card { flex: 0 0 140px; }
.tracker-cover { width: 100%; aspect-ratio: 3/4; border-radius: 8px; margin-bottom: 0.5rem; border: 1px solid var(--border); }
.tracker-info { font-size: 0.8rem; color: var(--text-sub); margin-bottom: 0.5rem; }
.tracker-progress { height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; overflow: hidden; }
.tracker-bar { height: 100%; background: var(--accent); }

/* Brand Story */
.story-layout { display: grid; grid-template-columns: 7fr 5fr; gap: 4rem; }
.story-content p { font-size: 1.05rem; line-height: 1.9; margin-bottom: 1.5rem; color: var(--text-main); opacity: 0.8; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.stat-item { background: rgba(255,255,255,0.02); padding: 1.5rem; border-radius: 12px; border: 1px solid var(--border); }
.stat-num { font-family: var(--font-mono); font-size: 2rem; color: var(--accent-gold); font-weight: bold; }
.stat-label { font-size: 0.9rem; color: var(--text-sub); }

/* Download */
.download-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 3rem; }
.dl-btn { background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; padding: 1.5rem; text-align: center; transition: all 0.3s; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.dl-btn:hover { background: rgba(255,198,92,0.1); border-color: var(--accent); transform: translateY(-4px); }
.dl-btn svg { width: 32px; height: 32px; fill: var(--accent-gold); margin-bottom: 0.5rem; }
.dl-btn span { font-weight: bold; color: var(--text-main); }
.dl-btn small { font-size: 0.8rem; color: var(--text-weak); }
.faq-item { border-bottom: 1px solid rgba(255,255,255,0.1); padding: 1rem 0; cursor: pointer; }
.faq-q { display: flex; justify-content: space-between; color: var(--text-main); font-weight: bold; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; color: var(--text-sub); font-size: 0.9rem; margin-top: 0.5rem; }
.faq-item.open .faq-a { max-height: 100px; }

/* Footer */
footer { background: #0A0908; border-top: 1px solid var(--border); padding: 4rem 2rem 2rem; font-size: 0.85rem; color: var(--text-weak); }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.footer-col h4 { color: var(--text-main); margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-col a { color: var(--text-weak); transition: color 0.3s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.05); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.75rem; }
.footer-bottom a { color: var(--text-weak); }
.footer-bottom a:hover { color: var(--text-main); }

/* Responsive */
@media (max-width: 1024px) {
  h1 { font-size: 2rem; }
  .hero { flex-direction: column; text-align: center; gap: 2rem; }
  .hero-trust { align-items: center; }
  .hero-actions { justify-content: center; }
  .toplist-grid { grid-template-columns: 1fr; gap: 2rem; }
  .exp-layout { flex-direction: column; }
  .actor-grid { grid-template-columns: repeat(2, 1fr); }
  .story-layout { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .collage-wall { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.active { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); padding: 2rem; border-bottom: 1px solid var(--border); }
  .menu-toggle { display: block; }
  .mood-grid { grid-template-columns: repeat(2, 1fr); }
  section { padding: 4rem 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .mood-grid { grid-template-columns: 1fr; }
  .actor-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr; }
}