:root {
  --ground: #070707;
  --surface: #0f0f0f;
  --raised: #141414;
  --raised-2: #1b1b1b;
  --border: rgba(255,255,255,0.08);
  --border-soft: rgba(255,255,255,0.05);
  --text: #f2f2f0;
  --text-muted: #9aa3b5;
  --text-dim: #6b7280;
  --mint: #00d491;
  --teal: #02b9cd;
  --indigo: #818cf8;
  --rose: #f472b6;
  --lime: #a8ff78;
  --cta-gradient: linear-gradient(90deg, var(--mint), var(--teal));
  --nav-gradient: linear-gradient(135deg, var(--lime), #34d399, #06b6d4, var(--indigo), var(--rose));
  --font-display: "Avenir Next Heavy", "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-ui: "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7,7,7,0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 26px; height: 26px; border-radius: 7px; }
.brand span { font-family: var(--font-display); font-style: italic; font-weight: 800; font-size: 19px; letter-spacing: -0.01em; }
nav.links { display: flex; align-items: center; gap: 30px; }
nav.links a { text-decoration: none; color: var(--text-muted); font-size: 14px; font-weight: 500; transition: color 0.15s ease; }
nav.links a:hover, nav.links a:focus-visible { color: var(--text); }
nav.links a[aria-current="page"] { color: var(--mint); }
nav.links a:focus-visible { outline: 2px solid var(--mint); outline-offset: 4px; border-radius: 4px; }

.doc { padding: 64px 0 96px; }
.doc-wrap { max-width: 720px; }
.doc h1 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(30px, 4vw, 40px);
  margin: 16px 0 8px;
  text-wrap: balance;
}
.doc-meta { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); margin-bottom: 28px; }
.doc h2 {
  font-family: var(--font-ui);
  font-style: normal;
  font-weight: 700;
  font-size: 19px;
  margin: 38px 0 12px;
  letter-spacing: -0.005em;
}
.doc h3 { font-family: var(--font-ui); font-style: normal; font-weight: 700; font-size: 16px; margin: 26px 0 8px; }
.doc p { color: var(--text-muted); font-size: 15px; line-height: 1.7; max-width: 65ch; margin: 0 0 14px; }
.doc p strong { color: var(--text); font-weight: 700; }
.doc ul { padding-left: 20px; margin: 0 0 14px; }
.doc li { color: var(--text-muted); font-size: 15px; line-height: 1.7; max-width: 62ch; margin-bottom: 10px; }
.doc li strong { color: var(--text); font-weight: 700; }
.doc code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
}
.doc a { color: var(--mint); text-decoration: underline; text-underline-offset: 2px; }

.callout {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}
.callout strong { color: var(--text); }

.divider { border: none; border-top: 1px solid var(--border-soft); margin: 40px 0 20px; }
.doc-fine { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }

footer { padding: 48px 0 64px; border-top: 1px solid var(--border-soft); }
.footer-row { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 20px; height: 20px; border-radius: 6px; }
.footer-brand span { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { font-size: 13.5px; color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }
.footer-fine { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); margin-top: 28px; }