:root {
  --bg: #ffffff;
  --fg: #16202a;
  --muted: #5b6672;
  --accent: #0f7b6c;
  --line: #e3e8ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1519;
    --fg: #e8edf1;
    --muted: #98a4af;
    --accent: #3ec9b3;
    --line: #26323b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; padding-bottom: 14px; }
header.site a.brand { font-weight: 700; color: var(--fg); text-decoration: none; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
nav a:hover { color: var(--accent); }
main { padding: 40px 0 56px; }
h1 { font-size: 2.1rem; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
p.lead { font-size: 1.15rem; color: var(--muted); margin: 0 0 24px; }
a { color: var(--accent); }
ul { padding-left: 1.2rem; }
.cta { display: inline-block; padding: 10px 18px; border: 1px solid var(--accent); border-radius: 6px; text-decoration: none; font-weight: 600; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem; }
footer.site .wrap { padding-top: 18px; padding-bottom: 28px; }
footer.site a { color: var(--muted); margin-right: 14px; }
table { border-collapse: collapse; margin: 8px 0 12px; min-width: 14rem; }
th, td { border-bottom: 1px solid var(--line); padding: 6px 18px 6px 0; text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 0.9rem; }