:root {
  color-scheme: light dark;
  --bg: #fbfbfd;
  --panel: #ffffff;
  --line: #e3e5ea;
  --text: #15171c;
  --muted: #5d6472;
  --accent: #2563eb;
  --accent-soft: #e6edff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15161a;
    --panel: #1d1f25;
    --line: #2f323b;
    --text: #f1f2f5;
    --muted: #a1a7b4;
    --accent: #7aa2ff;
    --accent-soft: #22335c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site { border-bottom: 1px solid var(--line); background: var(--panel); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.brand svg { width: 28px; height: 28px; flex: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
a { color: var(--accent); }
main.wrap { padding-top: 40px; padding-bottom: 56px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; text-wrap: balance; }
h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 24px 0 6px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.lead { font-size: 19px; color: var(--muted); max-width: 60ch; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 28px 0 8px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.card h2 { margin: 0 0 6px; font-size: 19px; }
.card p { color: var(--muted); font-size: 15.5px; }
.pill { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 12px; padding: 4px 11px; line-height: 1.35; }
.note { background: var(--accent-soft); border-radius: 12px; padding: 14px 18px; margin: 20px 0; }
.note p:last-child { margin-bottom: 0; }
.meta { color: var(--muted); font-size: 15px; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14.5px; }
footer.site .wrap { padding-top: 20px; padding-bottom: 32px; display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: space-between; }
footer.site a { color: var(--muted); }