:root {
  --bg: #fbf8f3;
  --surface: #ffffff;
  --text: #1f2328;
  --muted: #5b6168;
  --accent: #2e6b5b;
  --accent-soft: #e3efe9;
  --border: #e5e0d8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b;
    --surface: #1d2125;
    --text: #e8e6e3;
    --muted: #a3a8ad;
    --accent: #7cc4ad;
    --accent-soft: #1f3530;
    --border: #2c3136;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main, header, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 20px; flex-wrap: wrap; }
header a.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: .95rem; }
a { color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.2; margin: 40px 0 12px; }
h2 { font-size: 1.3rem; margin: 36px 0 8px; }
h3 { font-size: 1.05rem; margin: 24px 0 6px; }
p.lead { font-size: 1.15rem; color: var(--muted); }
.badge { display: inline-block; background: var(--accent-soft); color: var(--accent); padding: 4px 12px; border-radius: 999px; font-size: .9rem; font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 24px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.card h3 { margin-top: 0; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.muted { color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; border-bottom: 1px solid var(--border); padding: 8px 6px; vertical-align: top; }
hr { border: 0; border-top: 1px solid var(--border); margin: 48px 0; }
footer { color: var(--muted); font-size: .9rem; padding-top: 32px; padding-bottom: 40px; }