:root {
  color-scheme: light dark;
  --background: #fff;
  --text: #111;
  --muted: #555;
  --link: #0b57f0;
  --button-text: #fff;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
}
* { box-sizing: border-box; }
body { max-width: 824px; margin: auto; padding: 32px 24px; color: var(--text); background: var(--background); }
main { overflow-wrap: anywhere; }
h1 { font-size: clamp(2rem, 6vw, 3.5rem); line-height: 1.15; letter-spacing: -.03em; }
h2 { margin-top: 2rem; line-height: 1.3; }
p, .updated { color: var(--muted); }
a { color: var(--link); text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid var(--text); outline-offset: 4px; }
.nav, .nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem 1rem; }
.nav { margin-bottom: 2.5rem; }
.nav a { display: inline-flex; align-items: center; min-height: 44px; }
.nav a[aria-current="page"] { font-weight: 700; text-decoration-thickness: .15em; }
.brand { color: var(--text); font-weight: 700; }
.button { display: inline-flex; align-items: center; min-height: 44px; margin-top: 1rem; padding: 14px 18px; border-radius: 8px; background: var(--link); color: var(--button-text); text-decoration: none; font-weight: 700; }
.skip-link { position: absolute; top: -6rem; left: 1rem; z-index: 2; padding: .75rem 1rem; background: var(--background); }
.skip-link:focus { top: 1rem; }
.site-footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--muted); }
.site-footer a { display: inline-block; padding-block: .5rem; }
@media (prefers-color-scheme: dark) {
  :root { --background: #111318; --text: #f5f5f5; --muted: #bfc3ca; --link: #adc6ff; --button-text: #002e69; }
}