:root {
  color-scheme: light dark;
  --paper: #f7f2e7;
  --ink: #17203d;
  --muted: #5f6678;
  --cobalt: #1a389e;
  --saffron: #f2941a;
  --card: rgba(255, 255, 255, 0.78);
  --line: rgba(23, 32, 61, 0.14);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 8%, rgba(242, 148, 26, 0.22), transparent 27rem),
    linear-gradient(145deg, var(--paper), #edf0fb);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 72px; }
nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 48px; }
.brand { font-weight: 900; letter-spacing: -0.03em; color: var(--ink); text-decoration: none; }
.proof { color: var(--saffron); font-weight: 900; }
.nav-links { display: flex; flex-wrap: wrap; gap: 14px; }
.nav-links a, a { color: var(--cobalt); }
h1 { max-width: 680px; margin: 0 0 16px; font-size: clamp(2.5rem, 8vw, 5rem); line-height: 0.98; letter-spacing: -0.055em; }
h2 { margin-top: 36px; line-height: 1.2; letter-spacing: -0.02em; }
.lede { max-width: 660px; color: var(--muted); font-size: 1.2rem; }
.eyebrow { color: var(--cobalt); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 32px 0; }
.card, .notice { padding: 20px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); backdrop-filter: blur(10px); }
.card h2 { margin: 0 0 6px; font-size: 1.1rem; }
.notice { border-left: 6px solid var(--saffron); }
.meta { color: var(--muted); font-size: .9rem; }
ul, ol { padding-left: 24px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
@media (prefers-color-scheme: dark) {
  :root { --paper: #101528; --ink: #f6f2e8; --muted: #bec4d3; --card: rgba(24, 31, 57, .82); --line: rgba(255,255,255,.14); }
  body { background: radial-gradient(circle at 85% 8%, rgba(242,148,26,.18), transparent 27rem), #101528; }
}