:root {
  --bg: #0e1117;
  --surface: #1a1d26;
  --surface-2: #12151c;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8eaed;
  --muted: #a1a1aa;
  --dim: #71717a;
  --accent: #f5a623;
  --accent-dim: #e8890c;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "SF Mono", "Fira Code", ui-monospace, monospace;
  --max: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: rgba(14, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav { display: flex; gap: 20px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 14px; font-weight: 500; }
.nav a:hover, .nav a.active { color: var(--text); text-decoration: none; }

.container { max-width: var(--max); margin: 0 auto; padding: 48px 24px; }

.hero { text-align: center; padding: 64px 24px 48px; }
.hero h1 { font-size: clamp(32px, 5vw, 48px); letter-spacing: -0.02em; margin-bottom: 16px; }
.hero .lead { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 auto 32px; }

.badge-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--dim);
}

.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-dim)); color: #0e1117; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(245, 166, 35, 0.35);
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 { font-size: 16px; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); }

section { margin-bottom: 56px; }
section h2 { font-size: 28px; margin-bottom: 12px; letter-spacing: -0.02em; }
section > p { color: var(--muted); margin-bottom: 20px; max-width: 720px; }

pre, code {
  font-family: var(--mono);
  font-size: 13px;
}
pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  color: var(--muted);
  margin: 12px 0;
}

.callout {
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 16px 0;
  font-size: 14px;
  color: var(--muted);
}

.table-wrap { overflow-x: auto; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }

.arch-diagram {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 20px 0;
}
.arch-diagram svg { width: 100%; height: auto; max-width: 800px; display: block; margin: 0 auto; }

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}
.docs-nav {
  position: sticky;
  top: 72px;
  font-size: 14px;
}
.docs-nav a {
  display: block;
  color: var(--muted);
  padding: 6px 0;
}
.docs-nav a:hover { color: var(--text); text-decoration: none; }

.planned { color: var(--dim); font-style: italic; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--dim);
}

@media (max-width: 800px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-nav { position: static; display: flex; flex-wrap: wrap; gap: 12px; }
}