:root {
  --bg-primary: #0a0c10;
  --bg-secondary: #12151c;
  --bg-card: #181c26;
  --bg-card-hover: #1e2330;
  --fg-primary: #f0f0f2;
  --fg-secondary: #9498a8;
  --fg-muted: #5c6070;
  --accent: #d4a853;
  --accent-glow: rgba(212, 168, 83, 0.15);
  --accent-soft: #c49840;
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Hero ── */
.hero {
  min-height: 90vh;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  max-width: 520px;
  line-height: 1.7;
}

/* Orbit Visual */
.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 420px;
  justify-self: center;
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--accent);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--bg-primary);
  box-shadow: 0 0 60px var(--accent-glow), 0 0 120px var(--accent-glow);
}

.orbit-ring {
  position: absolute;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.ring-1 {
  top: 15%;
  left: 15%;
  width: 70%;
  height: 70%;
  animation: rotate-slow 30s linear infinite;
}

.ring-2 {
  top: 5%;
  left: 5%;
  width: 90%;
  height: 90%;
  animation: rotate-slow 45s linear infinite reverse;
}

.orbit-node {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 1rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-secondary);
  white-space: nowrap;
}

.node-1 { top: -12px; left: 50%; transform: translateX(-50%); }
.node-2 { bottom: -12px; left: 50%; transform: translateX(-50%); }
.node-3 { top: -12px; right: 0; }
.node-4 { bottom: -12px; left: 0; }

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ── Section Tag ── */
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
  padding: 0.3rem 0.9rem;
  border: 1px solid rgba(212, 168, 83, 0.25);
  border-radius: 4px;
}

/* ── Features ── */
.features {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.features-header {
  margin-bottom: 4rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(212, 168, 83, 0.15);
}

.feature-large {
  grid-column: span 2;
}

.feature-wide {
  grid-column: span 3;
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ── Stats ── */
.stats {
  padding: 5rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.stat-block {
  text-align: center;
  flex: 1;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
  margin: 0 2rem;
}

/* ── Closing ── */
.closing {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem;
  text-align: center;
}

.closing-inner {
  max-width: 780px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  line-height: 1.75;
  max-width: 640px;
  margin: 0 auto;
}

/* ── Footer ── */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--fg-primary);
}

.footer-meta {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 1.5rem 3rem;
    gap: 3rem;
  }

  .hero-visual {
    max-width: 280px;
    order: -1;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .feature-large,
  .feature-wide {
    grid-column: span 1;
  }

  .features {
    padding: 4rem 1.5rem;
  }

  .stats-inner {
    flex-direction: column;
    gap: 2.5rem;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
    margin: 0;
  }

  .closing {
    padding: 5rem 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .orbit-node {
    font-size: 0.65rem;
    padding: 0.35rem 0.7rem;
  }

  .orbit-center {
    width: 60px;
    height: 60px;
    font-size: 1.1rem;
  }
}