:root {
  --page: #fbf6ec;
  --surface: #ffffff;
  --ink: #1d2233;
  --ink-2: #5a6075;
  --line: #e7e0d2;
  --tint: #2f4fd8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --page: #1c1a17;
    --surface: #26231f;
    --ink: #f1ede6;
    --ink-2: #b4ada1;
    --line: #3a362f;
    --tint: #8ea2ff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px max(20px, env(safe-area-inset-right)) 72px max(20px, env(safe-area-inset-left));
}
header { margin-bottom: 32px; }
.brand { font-weight: 700; font-size: 15px; letter-spacing: .04em; color: var(--tint); text-decoration: none; }
h1 { font-size: 34px; line-height: 1.15; margin: 12px 0 8px; text-wrap: balance; }
h2 { font-size: 21px; margin: 36px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--ink-2); font-size: 15px; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--tint); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 20px 0; }
footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 15px; color: var(--ink-2); display: flex; gap: 18px; flex-wrap: wrap; }