:root { color-scheme: light dark; --bg: #f7f8fa; --surface: #fff; --text: #20242b; --muted: #59616f; --line: #dce1e8; --link: #2446d8; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 850px; margin: 48px auto; padding: 48px 56px; background: var(--surface); border: 1px solid var(--line); border-radius: 24px; }
header { border-bottom: 1px solid var(--line); padding-bottom: 24px; margin-bottom: 24px; }
.brand { color: var(--link); font-size: 14px; letter-spacing: .18em; font-weight: 750; }
h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.15; letter-spacing: -.04em; margin: 12px 0; }
h2 { font-size: 22px; line-height: 1.3; margin: 36px 0 12px; }
p, ul, ol { margin: 0 0 18px; }
li { margin: 8px 0; }
a { color: var(--link); text-underline-offset: 3px; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 4px; }
.date, footer { color: var(--muted); font-size: 14px; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
address { font-style: normal; }
footer { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 36px; }
@media (max-width: 600px) { main { border: 0; border-radius: 0; margin: 0; padding: 30px 22px; } body { font-size: 16px; } }
@media (prefers-color-scheme: dark) { :root { --bg: #13161b; --surface: #1b1f26; --text: #edf0f5; --muted: #b3bdcb; --line: #343c49; --link: #a5b8ff; } }
@media print { main { margin: 0; padding: 0; border: 0; } }