:root {
  color-scheme: light dark;
  --canvas: #f3f5f4;
  --surface: #ffffff;
  --ink: #0d1714;
  --muted: #4a5652;
  --line: #dce2df;
  --brand: #0b6b55;
  --brand-ink: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0a0f0e;
    --surface: #131a18;
    --ink: #eef3f1;
    --muted: #a9b5b0;
    --line: #26312d;
    --brand: #3dd6a8;
    --brand-ink: #0a0f0e;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.6 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans', sans-serif;
}
.top, main, footer { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
.top { padding-top: 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 1.2rem; }
.brand img { background: #0b6b55; border-radius: 9px; padding: 5px; }
main { padding-top: 1.5rem; padding-bottom: 2rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0.5rem 0; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 0.4rem; }
p { margin: 0.4rem 0; color: var(--muted); }
a { color: var(--brand); }
.updated { font-size: 0.9rem; }
.hero { text-align: center; padding: 2rem 0; }
.hero img { background: #0b6b55; border-radius: 24px; padding: 14px; }
.hero h1 { font-size: 2.4rem; margin-top: 1rem; }
.tagline { font-size: 1.1rem; font-weight: 600; color: var(--ink); }
.lead { max-width: 32rem; margin: 1rem auto; }
.button { display: inline-block; margin-top: 1rem; padding: 0.8rem 1.4rem; border-radius: 14px; background: var(--brand); color: var(--brand-ink); font-weight: 600; text-decoration: none; }
footer { border-top: 1px solid var(--line); padding-top: 1.25rem; padding-bottom: 2.5rem; font-size: 0.85rem; }
.languages { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; margin-bottom: 1rem; }
.languages a { text-decoration: none; }
.languages a[aria-current] { font-weight: 700; color: var(--ink); }