:root {
  --bg: #ffffff; --fg: #1c2430; --muted: #5b6675; --line: #e3e7ee; --accent: #1f5fa8; --card: #f6f8fb;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f141b; --fg: #e6ebf2; --muted: #9aa6b5; --line: #263041; --accent: #6db0ff; --card: #161d28; }
}
* { 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;
}
a { color: var(--accent); }
header.site, main, footer.site { max-width: 46rem; margin: 0 auto; padding: 0 16px; }
header.site { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
header.site .brand { font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
header.site nav { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .95rem; }
header.site nav a { text-decoration: none; color: var(--muted); }
header.site nav a:hover { color: var(--accent); }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .4em; }
h2 { font-size: 1.3rem; margin: 2em 0 .5em; }
h3 { font-size: 1.05rem; margin: 1.4em 0 .4em; }
.meta, .fine { color: var(--muted); font-size: .9rem; }
.hero { padding: 24px 0 8px; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); margin: 24px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; }
.card h3 { margin-top: 0; }
.card .lead { color: var(--muted); margin-top: 0; }
.btn { display: inline-block; background: var(--accent); color: #fff !important; text-decoration: none; padding: 9px 16px; border-radius: 10px; font-weight: 600; }
.soon { color: var(--muted); font-style: italic; }
table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: .95rem; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 9px 12px; border: 1px solid var(--line); }
th { background: var(--card); }
details { border-top: 1px solid var(--line); padding: 12px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
.note { background: var(--card); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 6px; margin: 18px 0; }
footer.site { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 40px; color: var(--muted); font-size: .9rem; }
footer.site p { margin: .3em 0; }
@media (max-width: 480px) { body { font-size: 16px; } h1 { font-size: 1.7rem; } }