:root {
  --bg: #faf7f2;
  --fg: #2b2622;
  --muted: #7a6f66;
  --accent: #2f6f6a;
  --line: #e7dfd4;
  --card: #fffdf9;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a18;
    --fg: #ece6de;
    --muted: #a59a8f;
    --accent: #7fc2bb;
    --line: #34302c;
    --card: #23201d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.7 Georgia, "Times New Roman", serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site, main, footer.site { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header.site {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-top: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 20px; font-weight: bold; color: var(--fg); }
nav a { margin-left: 18px; font: 15px/1 -apple-system, "Segoe UI", Roboto, sans-serif; }
.hero { padding: 40px 0 8px; }
.hero h1 { margin: 0 0 6px; font-size: 34px; }
.hero p { margin: 0; color: var(--muted); }
.list { list-style: none; margin: 24px 0; padding: 0; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 16px;
}
.card h2 { margin: 2px 0 6px; font-size: 22px; line-height: 1.35; }
.card h2 a { color: var(--fg); }
.card p { margin: 0; }
.meta { color: var(--muted); font: 14px/1.4 -apple-system, "Segoe UI", Roboto, sans-serif; margin: 0 0 4px; }
article { padding: 32px 0 8px; }
article h1 { font-size: 32px; line-height: 1.25; margin: 4px 0 12px; }
article h2 { font-size: 22px; margin: 32px 0 8px; }
.lead { font-size: 19px; color: var(--muted); }
.back { margin-top: 40px; }
footer.site {
  margin-top: 48px;
  padding-top: 18px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, sans-serif;
}