:root{--bg:#fafaf8;--fg:#1a1a1a;--muted:#6b6b6b;--line:#e4e4e0}
@media (prefers-color-scheme:dark){:root{--bg:#121212;--fg:#ececec;--muted:#9a9a9a;--line:#2a2a2a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
main{max-width:640px;margin:0 auto;padding:18vh 24px 48px;min-height:100vh;display:flex;flex-direction:column}
h1{font-size:2.2rem;letter-spacing:-.02em;margin:0 0 .4em}
h2{font-size:1.1rem;margin:2em 0 .4em}
p{margin:0 0 1em}
.muted{color:var(--muted)}
a{color:inherit}
footer{margin-top:auto;padding-top:48px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted);display:flex;gap:20px;flex-wrap:wrap}