:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --card: #1a2435;
  --border: #2b3a52;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #3b82f6;
  --primary-soft: #1d4ed8;
  --accent: #22c55e;
  --code-bg: #0b1220;
  --max: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

/* Top bar */
header.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.topbar .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand span { color: var(--primary); }
.topbar nav { margin-left: auto; display: flex; gap: 18px; font-size: 14px; }
.topbar nav a { color: var(--muted); }
.topbar nav a:hover { color: var(--text); text-decoration: none; }

main { max-width: var(--max); margin: 0 auto; padding: 0 20px 80px; }

/* Hero */
.hero { padding: 64px 0 40px; border-bottom: 1px solid var(--border); }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 16px; }
.hero p { font-size: 18px; color: var(--muted); max-width: 680px; }
.badges { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  font-size: 13px; padding: 5px 12px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--border); color: var(--muted);
}
.cta { margin-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 600; font-size: 15px;
  background: var(--primary); color: #fff;
}
.btn:hover { background: var(--primary-soft); text-decoration: none; }
.btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }

section { padding: 44px 0 8px; }
section h2 { font-size: 26px; margin: 0 0 8px; }
section h3 { font-size: 18px; margin: 28px 0 8px; }
section p { color: var(--muted); }
.lead { color: var(--muted); margin-bottom: 18px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 18px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px;
}
.card h4 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; font-size: 14px; }

pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; overflow-x: auto; font-size: 13.5px; line-height: 1.55;
}
code { font-family: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace; }
p code, li code, td code {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 6px;
  padding: 1px 6px; font-size: 13px; color: #cbd5e1;
}

table { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text); font-weight: 600; }
td { color: var(--muted); }

.endpoint { display: flex; align-items: center; gap: 12px; margin: 10px 0; font-size: 15px; }
.method { font-weight: 700; font-size: 12px; padding: 4px 9px; border-radius: 6px; letter-spacing: .04em; }
.method.post { background: #064e3b; color: #6ee7b7; }
.method.get { background: #0c4a6e; color: #7dd3fc; }
.path { font-family: "SF Mono", Menlo, monospace; color: var(--text); }

.note {
  border-left: 3px solid var(--primary); background: var(--bg-soft);
  padding: 12px 16px; border-radius: 8px; margin: 16px 0; font-size: 14px; color: var(--muted);
}

footer { border-top: 1px solid var(--border); margin-top: 60px; padding: 28px 20px; color: var(--muted); font-size: 13px; text-align: center; }