:root { color-scheme: light dark; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; background: #faf8fb; color: #211d22; }
main { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 72px; }
header { border-bottom: 1px solid #ded7e0; background: #fff; }
nav { width: min(920px, calc(100% - 32px)); margin: 0 auto; min-height: 64px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
nav strong { margin-right: auto; font-size: 1.15rem; }
a { color: #67507a; }
h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 20px; }
h2 { margin-top: 2.2rem; }
.card { background: #fff; border: 1px solid #e4dee7; border-radius: 16px; padding: 24px; margin: 20px 0; }
.muted { color: #6f6871; }
footer { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 48px; color: #6f6871; }
@media (prefers-color-scheme: dark) {
  body { background: #151216; color: #f2edf4; }
  header, .card { background: #1e1a20; }
  header, .card { border-color: #3a333d; }
  a { color: #c9a9df; }
  .muted, footer { color: #b7adb9; }
}