:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --surface-raised: #1a1a24;
  --fg: #e8e4df;
  --fg-muted: #9a9590;
  --accent: #c77dba;
  --accent-secondary: #7ab5d4;
  --accent-warm: #d4a574;
  --crystal-purple: rgba(199, 125, 186, 0.15);
  --crystal-blue: rgba(122, 181, 212, 0.1);
  --crystal-warm: rgba(212, 165, 116, 0.1);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 8rem;
  background: radial-gradient(ellipse at 30% 20%, var(--crystal-purple), transparent 50%),
              radial-gradient(ellipse at 70% 60%, var(--crystal-blue), transparent 50%),
              radial-gradient(ellipse at 50% 80%, var(--crystal-warm), transparent 40%),
              var(--bg);
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.crystal-shape {
  position: absolute;
  border: 1px solid rgba(199, 125, 186, 0.08);
  transform: rotate(45deg);
}

.crystal-1 {
  width: 300px; height: 300px;
  top: 10%; left: -5%;
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  background: linear-gradient(135deg, rgba(199,125,186,0.04), transparent);
}

.crystal-2 {
  width: 200px; height: 200px;
  top: 20%; right: 5%;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  background: linear-gradient(135deg, rgba(122,181,212,0.04), transparent);
  transform: rotate(30deg);
}

.crystal-3 {
  width: 250px; height: 250px;
  bottom: 15%; left: 40%;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  background: linear-gradient(135deg, rgba(212,165,116,0.04), transparent);
  transform: rotate(-15deg);
}

.hero-content {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-tag {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.hero-divider {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
}

.hero-divider svg {
  display: block;
  width: 100%;
  height: 80px;
}

/* ── Features ── */
.features {
  background: var(--surface);
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 3.5rem;
  text-align: center;
}

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

.feature-card {
  background: var(--surface-raised);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(199, 125, 186, 0.2);
}

.feature-icon {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 0.8;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Geology ── */
.geology {
  padding: 6rem 2rem;
  background: var(--bg);
}

.geology-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
}

.geology-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 1.5rem;
}

.geology-text p {
  color: var(--fg-muted);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.geology-stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  padding: 1.5rem 2rem;
  background: var(--surface);
  border-radius: 12px;
  border-left: 3px solid var(--accent);
}

.stat-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent-warm);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

/* ── Closing ── */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 50%, var(--crystal-purple), transparent 60%),
              var(--surface);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--fg), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.9;
}

/* ── Footer ── */
.site-footer {
  padding: 2.5rem 2rem;
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}

.footer-note {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .geology-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero {
    padding: 4rem 1.5rem 6rem;
    min-height: 70vh;
  }
  
  .features, .geology, .closing {
    padding: 4rem 1.5rem;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .crystal-1, .crystal-2, .crystal-3 {
    opacity: 0.5;
  }
}