:root {
  color-scheme: light dark;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  color: #14213d;
  background: #f4f6fa;
}

body { margin: 0; }
main {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.brand { color: #fb7838; font-weight: 800; letter-spacing: .08em; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.1; margin: 12px 0 8px; }
h2 { margin-top: 32px; }
.updated { color: #65738b; }
.card {
  background: #fff;
  border: 1px solid #dce2ec;
  border-radius: 18px;
  padding: 20px 24px;
  margin: 22px 0;
  box-shadow: 0 12px 36px rgba(20, 33, 61, .06);
}
a { color: #b84b1d; }
li + li { margin-top: 8px; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; }
@media (prefers-color-scheme: dark) {
  :root { color: #e8edf6; background: #0d172b; }
  .card { background: #14213d; border-color: #2c3a55; box-shadow: none; }
  .updated { color: #aab5c8; }
  a { color: #ff9a68; }
}