:root {
  color-scheme: dark;
  --bg: #071014;
  --panel: #0e1a20;
  --text: #edf6f7;
  --muted: #9fb2b8;
  --cyan: #4fc7db;
  --orange: #f5a623;
  --line: #20323a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 80% 0%, #12313a 0, transparent 32rem), var(--bg);
  color: var(--text);
  font: 16px/1.7 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0 48px; }
.brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; }
.brand > span:last-child > span { color: var(--orange); }
.radar { width: 24px; height: 24px; border: 1px solid var(--cyan); border-radius: 50%; box-shadow: inset 0 0 0 5px var(--bg), inset 0 0 0 6px color-mix(in srgb, var(--cyan) 55%, transparent); position: relative; }
.radar::after { content: ""; width: 9px; height: 2px; background: var(--orange); position: absolute; left: 11px; top: 10px; transform: rotate(-32deg); transform-origin: left center; }
.eyebrow { margin: 46px 0 8px; color: var(--cyan); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 700; }
h1 { max-width: 700px; margin: 0; font-size: clamp(38px, 7vw, 66px); line-height: 1.03; letter-spacing: -.045em; }
.lede { margin: 28px 0 50px; max-width: 680px; color: var(--muted); font-size: 20px; }
section { margin: 18px 0; padding: 24px 26px; border: 1px solid var(--line); border-radius: 14px; background: color-mix(in srgb, var(--panel) 88%, transparent); }
h2 { margin: 0 0 8px; font-size: 19px; }
p { margin: 0; color: var(--muted); }
code { color: var(--cyan); overflow-wrap: anywhere; }
a { color: var(--cyan); }
nav { display: flex; gap: 24px; margin-top: 36px; }
.back { display: inline-block; margin-bottom: 12px; text-decoration: none; }
footer { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 24px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 540px) { main { padding-top: 42px; } section { padding: 20px; } nav { flex-direction: column; gap: 8px; } }