:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --border: #2a2a2a;
  --text: #f0ece4;
  --muted: #888;
  --gold: #c9a84c;
  --gold-light: #e8c96a;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--gold-light); text-decoration: underline; }

/* NAV */
nav {
  position: sticky;
  top: 0;
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo img { height: 48px; width: auto; display: block; }
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* HERO */
.hero {
  padding: 80px 24px 60px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}
.hero-tagline-img {
  width: 380px;
  max-width: 90%;
  border-radius: 50%;
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.cta-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.85; text-decoration: none; }
.btn-primary { background: var(--gold); color: #000; }
.btn-outline { border: 1px solid var(--border); color: var(--muted); }

/* DIVIDER */
.divider { border: none; border-top: 1px solid var(--border); margin: 0; }

/* SECTION */
section { max-width: 1100px; margin: 0 auto; padding: 80px 24px; }
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 40px;
}

/* COLLECTION GRID (home) */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2px;
}
.collection-card {
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
  text-decoration: none;
  display: block;
  transition: border-color 0.2s;
  position: relative;
}
.collection-card:hover { border-color: var(--gold); text-decoration: none; }
.collection-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}
.collection-card:hover img { transform: scale(1.03); }
.collection-card-body { padding: 20px; }
.collection-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 1;
}
.card-poly::before { background: #2a9d8f; }
.card-fma::before { background: #c0392b; }
.card-web3::before { background: #8b5cf6; }
.card-omsc::before { background: var(--gold); }

.collection-card-name {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}
.collection-card-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}
.collection-card-arrow {
  font-size: 18px;
  color: var(--gold);
  margin-top: 12px;
  display: block;
}

/* CAROUSEL */
.carousel-wrap {
  max-width: 680px;
  margin: 0 auto 48px;
  position: relative;
}
.carousel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.carousel-track { position: relative; }
.carousel-slide {
  display: none;
  width: 100%;
}
.carousel-slide.active { display: block; }
.carousel-slide img {
  width: 100%;
  height: 580px;
  object-fit: contain;
  background: #111;
  display: block;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background 0.15s;
}
.carousel-btn:hover { background: rgba(201,168,76,0.3); }
.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }
.carousel-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 16px 0 0;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background 0.2s;
  border: none;
}
.carousel-dot.active { background: var(--gold); }

/* COLLECTION PAGE HERO */
.collection-hero {
  padding: 60px 24px 40px;
  max-width: 1100px;
  margin: 0 auto;
}
.collection-hero .back-link {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 32px;
}
.collection-hero .back-link:hover { color: var(--gold); text-decoration: none; }
.collection-hero h1 {
  font-size: clamp(32px, 6vw, 60px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 16px;
}
.collection-hero h1 em { font-style: normal; color: var(--gold); }
.collection-hero p {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* COLLECTION PAGE BODY */
.collection-body {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.collection-shop-cta {
  text-align: center;
  padding: 48px 0 0;
}
.collection-shop-cta p {
  color: var(--muted);
  margin-bottom: 20px;
  font-size: 15px;
}

/* STORY */
.story-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 700px) { .story-layout { grid-template-columns: 1fr; gap: 32px; } }
.story-text p { color: var(--muted); margin-bottom: 16px; font-size: 16px; line-height: 1.8; }
.story-text p strong { color: var(--text); }
.story-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); padding: 24px; }
.stat-number { font-size: 32px; font-weight: 900; color: var(--gold); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ACRONYM */
.acronym-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  margin-top: 8px;
}
.acronym-card { background: var(--surface); border: 1px solid var(--border); padding: 28px 24px; }
.acronym-letter { font-size: 40px; font-weight: 900; color: var(--gold); line-height: 1; margin-bottom: 10px; opacity: 0.25; }
.acronym-title { font-size: 15px; font-weight: 700; letter-spacing: 0.05em; margin-bottom: 8px; }
.acronym-desc { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* PRIVACY */
.privacy-content h3 { font-size: 17px; font-weight: 700; margin: 32px 0 10px; }
.privacy-content h3:first-of-type { margin-top: 0; }
.privacy-content p { color: var(--muted); margin-bottom: 12px; font-size: 15px; line-height: 1.7; }
.privacy-content ul { color: var(--muted); font-size: 15px; line-height: 1.7; padding-left: 20px; margin-bottom: 12px; }
.privacy-content ul li { margin-bottom: 4px; }

/* FOOTER */
footer { border-top: 1px solid var(--border); padding: 40px 24px; text-align: center; }
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-logo { font-size: 18px; font-weight: 900; letter-spacing: 0.1em; color: var(--gold); margin-bottom: 8px; }
.footer-tagline { font-size: 12px; color: var(--muted); margin-bottom: 18px; }
.footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.footer-links a { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.footer-copy { font-size: 11px; color: #444; }

/* RESPONSIVE */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 50px 20px 50px; }
  section { padding: 60px 20px; }
  .carousel-slide img { height: 360px; }
  .hero-tagline-img { width: 280px; }
}