:root {
  --bg: #0b0d12;
  --panel: #11141b;
  --border: #1e2330;
  --text: #e6e9ef;
  --muted: #8a93a6;
  --accent: #4ea1ff;
  --accent-strong: #2b7ae0;
  --code-bg: #0f1320;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11,13,18,0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.logo span { color: var(--accent); font-weight: 500; }
nav a {
  margin-left: 24px;
  font-size: 14px;
  color: var(--muted);
}
nav a.active, nav a:hover { color: var(--text); text-decoration: none; }

.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); text-decoration: none; }
.btn-outline { border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); text-decoration: none; }
.btn-ghost { color: var(--muted); }
.btn-ghost:hover { color: var(--text); text-decoration: none; }

/* Hero */
.hero, .page-hero {
  padding: 96px 0 64px;
  border-bottom: 1px solid var(--border);
}
.hero h1, .page-hero h1 {
  font-size: 52px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 800px;
}
.page-hero h1 { font-size: 40px; }
.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 32px;
}
.cta {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 48px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 640px;
}
.stats strong {
  display: block;
  font-size: 32px;
  letter-spacing: -0.01em;
}
.stats span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

/* Features */
.features { padding: 80px 0; }
.features h2 { font-size: 28px; margin: 0 0 32px; }
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: 10px;
}
.card h3 { margin: 0 0 12px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* API preview */
.api-preview {
  padding: 72px 0;
  border-top: 1px solid var(--border);
}
.api-preview h2 { font-size: 28px; margin: 0 0 12px; }
.api-preview p { color: var(--muted); margin: 0 0 24px; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.65;
}
code {
  font-family: "JetBrains Mono", "SF Mono", Menlo, monospace;
  color: #c9d1d9;
}

/* Prose */
.prose { padding: 64px 0 96px; }
.prose h2 { margin-top: 40px; font-size: 22px; }
.prose p, .prose li { color: var(--muted); font-size: 16px; }
.prose li { margin: 6px 0; }

/* Pricing */
.pricing { padding: 64px 0 96px; }
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}
.plan {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 32px;
  border-radius: 12px;
}
.plan.featured {
  border-color: var(--accent);
  transform: translateY(-8px);
}
.plan h3 { margin: 0 0 8px; font-size: 18px; }
.plan .price {
  font-size: 36px;
  margin: 8px 0 20px;
  letter-spacing: -0.02em;
}
.plan .price span { font-size: 14px; color: var(--muted); }
.plan ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.plan li {
  color: var(--muted);
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.plan li:last-child { border-bottom: none; }
.plan .btn { width: 100%; text-align: center; }

.pricing-faq dl { margin-top: 20px; }
.pricing-faq dt { font-weight: 600; margin-top: 16px; }
.pricing-faq dd { margin: 4px 0 0; color: var(--muted); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  color: var(--muted);
  font-size: 13px;
}
.site-footer p { margin: 4px 0; }

/* Responsive */
@media (max-width: 720px) {
  .hero h1, .page-hero h1 { font-size: 36px; }
  .grid, .plans { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  nav a:not(.btn) { display: none; }
}