:root {
  --ink: #1c1b22;
  --muted: #5d5b66;
  --line: #e4e2ea;
  --bg: #fbfaf8;
  --brand: #5b3df5;
  --warn-bg: #fff6dd;
  --warn-ink: #6b4e00;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #ecebf1;
    --muted: #a7a5b2;
    --line: #2f2d38;
    --bg: #15141a;
    --brand: #9d8bff;
    --warn-bg: #3a3112;
    --warn-ink: #f3dc93;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--ink); text-decoration: none; }
.logo img { width: 32px; height: 32px; border-radius: 8px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 15px; }
a { color: var(--brand); }
nav a { text-decoration: none; }
main { padding: 32px 0 48px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
.lead { font-size: 20px; color: var(--muted); }
.notice { background: var(--warn-bg); color: var(--warn-ink); border-radius: 8px; padding: 12px 16px; font-size: 15px; }
.meta { color: var(--muted); font-size: 15px; }
.cta { display: inline-block; margin: 8px 12px 0 0; padding: 10px 18px; border-radius: 8px; background: var(--brand); color: #fff; text-decoration: none; font-weight: 600; }
.cta.secondary { background: transparent; color: var(--brand); border: 1px solid var(--brand); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer .wrap { padding-top: 20px; padding-bottom: 32px; }
footer p { margin: 4px 0; }