:root { color-scheme: dark; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #0e0e10; color: #eef0f5; }
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.7; }
header, main, footer { max-width: 800px; margin: auto; padding: 24px; }
header { border-bottom: 1px solid #34343b; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; font-size: 20px; font-weight: 700; text-decoration: none; }
.brand img { border-radius: 9px; }
h1 { font-size: clamp(28px, 5vw, 40px); line-height: 1.2; }
h2 { font-size: 21px; line-height: 1.4; margin: 0 0 16px; color: #cbfcff; }
h3 { font-size: 18px; line-height: 1.4; margin: 28px 0 12px; }
section { border-top: 1px solid #34343b; padding-top: 28px; margin-top: 32px; }
p { margin: 0 0 16px; }
ul { padding-left: 24px; margin: 0 0 20px; }
li { margin-bottom: 10px; }
.meta { color: #b8c0d2; font-size: 14px; }
a { color: #cbfcff; text-underline-offset: 3px; }
a:hover { color: #0be2ed; }
a:focus-visible { outline: 2px solid #0be2ed; outline-offset: 5px; }
main { overflow-wrap: anywhere; }
footer { display: flex; flex-wrap: wrap; gap: 12px 24px; border-top: 1px solid #34343b; font-size: 14px; }
@media (max-width: 420px) { header, main, footer { padding: 20px; } h2 { font-size: 19px; } }