:root {
  --bg: #fbfaf7;
  --fg: #1c2321;
  --muted: #5d6965;
  --line: #e3e1da;
  --accent: #1f6f66;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1816;
    --fg: #e8eeec;
    --muted: #93a39e;
    --line: #243430;
    --accent: #4dd0c0;
    --card: #15211e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 0 20px; }
header.site { padding: 28px 0 8px; }
header.site a.brand {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--fg); text-decoration: none; font-weight: 650; letter-spacing: .01em;
}
header.site svg { width: 22px; height: 22px; color: var(--accent); }
main { padding: 36px 0 56px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 2.2em 0 .5em; }
p, ul { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
li { margin-bottom: .35em; }
a { color: var(--accent); }
.lead { font-size: 1.15rem; color: var(--muted); margin-bottom: 1.6em; }
.card {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 20px; text-decoration: none; color: var(--fg);
}
.card:hover { border-color: var(--accent); }
.card strong { display: block; font-size: 1.05rem; }
.card span { color: var(--muted); font-size: .96rem; }
.meta { color: var(--muted); font-size: .9rem; }
footer.site { border-top: 1px solid var(--line); padding: 22px 0 40px; color: var(--muted); font-size: .9rem; }
footer.site a { color: var(--muted); }
footer.site .links { margin-top: 6px; }