:root {
  --bg: #000000;
  --surface: #0e0e0e;
  --card: #121212;
  --lime: #c3f400;
  --cyan: #00eefc;
  --magenta: #ff2d6a;
  --text: #e5e2e1;
  --muted: #9a9a9a;
  --border: rgba(0, 238, 252, 0.25);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.7;
}
.mono { font-family: 'JetBrains Mono', monospace; letter-spacing: 0.08em; text-transform: uppercase; }
.container { max-width: 820px; margin: 0 auto; padding: 0 24px; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(0,0,0,0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.logo { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--lime); }
.nav-back { font-size: 0.75rem; color: var(--muted); }
.nav-back:hover { color: var(--cyan); text-decoration: none; }

.doc { padding: 56px 0 80px; }
.doc .kicker { color: var(--cyan); font-size: 0.65rem; margin-bottom: 10px; }
.doc h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; letter-spacing: -0.02em;
  color: var(--cyan); text-shadow: 0 0 30px rgba(0,238,252,0.3); margin-bottom: 8px;
}
.doc .updated { color: var(--muted); font-size: 0.75rem; margin-bottom: 36px; }
.doc h2 {
  font-size: 1.05rem; font-weight: 800; color: var(--lime);
  margin: 32px 0 12px; padding-top: 8px;
}
.doc p { color: var(--text); margin-bottom: 14px; font-size: 0.92rem; }
.doc ul { margin: 0 0 16px 20px; }
.doc li { margin-bottom: 8px; font-size: 0.92rem; color: var(--text); }
.doc strong { color: var(--text); }
.callout {
  background: var(--card); border: 1px solid var(--border);
  border-left: 3px solid var(--cyan); padding: 16px 18px; margin: 18px 0;
  font-size: 0.88rem; color: var(--muted);
}
.placeholder { color: var(--magenta); }

footer {
  border-top: 1px solid var(--border); padding: 28px 0 48px;
  font-size: 0.75rem; color: var(--muted);
}
.footer-inner {
  max-width: 1120px; margin: 0 auto; padding: 0 24px;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--cyan); text-decoration: none; }
.status-dot {
  display: inline-block; width: 8px; height: 8px; background: var(--lime);
  border-radius: 50%; margin-right: 6px; box-shadow: 0 0 8px var(--lime);
}