:root { color-scheme: light dark; font-family: system-ui, sans-serif; color: #e4e8ec; background: #111820; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 760px; margin: 0 auto; padding: 64px 24px; }
nav, footer { display: flex; flex-wrap: wrap; gap: 20px; }
nav { margin-bottom: 56px; }
a { color: #92d9c4; text-underline-offset: 4px; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
h1 { font-size: clamp(2rem, 6vw, 3rem); line-height: 1.15; letter-spacing: -.04em; }
h2 { font-size: 1.2rem; margin-top: 32px; }
p, li { line-height: 1.75; }
.muted { color: #a7b3bf; }
footer { border-top: 1px solid #35414c; margin-top: 48px; padding-top: 24px; font-size: .9rem; }
@media (prefers-color-scheme: light) {
  :root { color: #202b35; background: #f6f8f7; }
  a { color: #176b55; }
  .muted { color: #56626d; }
  footer { border-color: #ccd5d1; }
}