:root {
  --background: 0 0% 100%;
  --foreground: 222 47% 11%;
  --muted: 210 40% 96%;
  --muted-foreground: 215 16% 37%;
  --border: 214 32% 91%;
  --primary: 222 47% 11%;
  --primary-foreground: 210 40% 98%;
  --accent: 210 40% 96%;
  --ring: 222 47% 11%;
  --radius: 0.375rem;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: hsl(var(--foreground)); }
a:hover { text-decoration: underline; }
.skip { position: absolute; left: -999px; }
.topbar { border-bottom: 1px solid hsl(var(--border)); background: #fff; }
.topbar-inner, .wrap, footer .wrap { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; }
.brand-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: 0.85rem 0 0.55rem; }
.brand { font-weight: 650; font-size: 0.95rem; letter-spacing: -0.02em; text-decoration: none; }
.brand:hover { text-decoration: none; }
.tag { font-size: 0.75rem; color: hsl(var(--muted-foreground)); }
nav.site { display: flex; flex-wrap: wrap; gap: 0.25rem 1.15rem; padding: 0 0 0.75rem; font-size: 0.84rem; }
nav.site a { text-decoration: none; color: hsl(var(--muted-foreground)); }
nav.site a:hover { color: hsl(var(--foreground)); text-decoration: none; }
.notice { font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; color: hsl(var(--muted-foreground)); border-bottom: 1px solid hsl(var(--border)); padding: 0.45rem 0; }
main.wrap { padding-top: 2rem; padding-bottom: 3rem; }
h1 { font-size: 1.75rem; line-height: 1.25; letter-spacing: -0.03em; font-weight: 650; margin: 0.4rem 0 0.8rem; }
h2 { font-size: 1.05rem; margin: 1.8rem 0 0.5rem; font-weight: 650; }
.kicker { font-size: 0.75rem; color: hsl(var(--muted-foreground)); text-transform: uppercase; letter-spacing: 0.06em; margin: 0; }
.meta { font-size: 0.8rem; color: hsl(var(--muted-foreground)); margin: 0 0 1.4rem; }
.lead { color: hsl(var(--muted-foreground)); margin-top: 0; max-width: 42rem; }
.crumb { font-size: 0.8rem; color: hsl(var(--muted-foreground)); margin-bottom: 1rem; }
.crumb a { color: inherit; }
.index { list-style: none; padding: 0; margin: 1.5rem 0 0; border-top: 1px solid hsl(var(--border)); }
.index li { border-bottom: 1px solid hsl(var(--border)); }
.index a { display: grid; grid-template-columns: 8.5rem 1fr; gap: 1rem; padding: 0.9rem 0; text-decoration: none; }
.index a:hover { background: hsl(var(--muted)); margin: 0 -0.5rem; padding-left: 0.5rem; padding-right: 0.5rem; text-decoration: none; }
.index .cat { font-size: 0.75rem; color: hsl(var(--muted-foreground)); text-transform: uppercase; letter-spacing: 0.04em; padding-top: 0.2rem; }
.index .ttl { font-weight: 550; }
.index .sub { display: block; font-weight: 400; color: hsl(var(--muted-foreground)); font-size: 0.88rem; margin-top: 0.15rem; }
.nums { display: grid; gap: 0.75rem; margin: 1rem 0; }
@media (min-width: 720px) { .nums { grid-template-columns: 1fr 1fr 1fr; } }
.nums div { border: 1px solid hsl(var(--border)); padding: 0.85rem 0.9rem; border-radius: var(--radius); }
.nums strong { display: block; font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.3rem; }
.cta-wrap { border: 1px solid hsl(var(--border)); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1.75rem 0; background: hsl(var(--muted)); }
.cta-wrap p { margin: 0.35rem 0; font-size: 0.9rem; }
.cta { display: inline-block; margin-top: 0.5rem; background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); text-decoration: none; font-size: 0.875rem; font-weight: 550; padding: 0.55rem 0.9rem; border-radius: var(--radius); }
.cta:hover { opacity: 0.92; text-decoration: none; }
.card { border: 1px solid hsl(var(--border)); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1.25rem 0; }
.source { display: block; margin-top: 0.6rem; color: hsl(var(--muted-foreground)); font-size: 0.8rem; }
footer.site { border-top: 1px solid hsl(var(--border)); background: hsl(222 47% 11%); color: hsl(210 40% 96%); font-size: 0.78rem; padding: 1.75rem 0 2.2rem; line-height: 1.55; }
footer.site a { color: hsl(210 40% 90%); }
footer.site p { margin: 0.4rem 0; color: hsl(214 20% 80%); }
@media (max-width: 640px) { .index a { grid-template-columns: 1fr; gap: 0.2rem; } h1 { font-size: 1.45rem; } }