:root {
  --bg: #fbfaf7;
  --fg: #1d1f23;
  --muted: #5d6169;
  --accent: #d98a1c;
  --line: #e4e1da;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a;
    --fg: #e9e7e2;
    --muted: #9ea2a9;
    --accent: #f0a53a;
    --line: #2b2e33;
    --card: #1c1f23;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 18px; padding-bottom: 18px; }
.brand { font-weight: 700; font-size: 1.2rem; letter-spacing: .04em; color: var(--fg); text-decoration: none; }
.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: .95rem; }
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current] { color: var(--fg); }

main { padding: 48px 0 64px; }
h1 { font-size: 2.2rem; line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 1.25rem; margin: 36px 0 8px; }
p, li { color: var(--fg); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; }
a { color: var(--accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

.btn { display: inline-block; margin-top: 24px; padding: 10px 20px; background: var(--accent); color: #1d1f23; border-radius: 6px; text-decoration: none; font-weight: 600; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 24px; }
dt { color: var(--muted); }
dd { margin: 0; }

.updated { color: var(--muted); font-size: .9rem; }

footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: .85rem; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
footer a { color: var(--muted); margin-left: 14px; }
footer a:first-child { margin-left: 0; }

@media (max-width: 520px) {
  h1 { font-size: 1.7rem; }
  dl { grid-template-columns: 1fr; gap: 0; }
  dd { margin-bottom: 10px; }
}