:root {
  color-scheme: dark;
  --bg: #09101e;
  --panel: #121a2d;
  --text: #e6edf7;
  --muted: #9ba8bc;
  --accent: #7dd3fc;
  --line: #27334b;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 80% 0%, #17284a 0, transparent 38rem), var(--bg);
  color: var(--text);
  font: 17px/1.75 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { width: min(760px, calc(100% - 40px)); margin: 0 auto; padding: 12vh 0 10vh; }
.eyebrow { color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .18em; }
h1 { margin: .2rem 0 1rem; font-size: clamp(2.5rem, 8vw, 5.5rem); line-height: 1; letter-spacing: -.045em; }
h2 { margin: 0 0 .45rem; font-size: 1.15rem; }
p { margin: 0 0 1rem; }
.lead { max-width: 34rem; color: var(--muted); font-size: clamp(1.15rem, 3vw, 1.45rem); }
.meta { color: var(--muted); font-size: .9rem; }
section { margin-top: 2rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
nav { display: flex; gap: 1.2rem; margin-top: 2.4rem; }
a { color: var(--accent); text-underline-offset: .22em; }
.back { display: inline-block; margin-bottom: 2.5rem; }
@media (max-width: 520px) { main { width: min(100% - 28px, 760px); padding-top: 8vh; } }