:root{color-scheme:light dark;--bg:#f4f5f9;--fg:#151926;--muted:#596173;--line:#dce0e9;--accent:#245de0;font-family:system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;line-height:1.75}header,footer{max-width:1000px;margin:auto;padding:24px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}header>a{display:flex;align-items:center;gap:12px;font-weight:700;text-decoration:none}nav{display:flex;gap:20px}a{color:var(--accent);text-underline-offset:4px}main{max-width:800px;margin:64px auto 90px;padding:0 24px}h1{font-size:clamp(32px,5vw,56px);line-height:1.15;letter-spacing:-.04em;font-weight:500}h2{font-size:26px;line-height:1.3;margin-top:40px}p{overflow-wrap:anywhere}.lead{font-size:20px;color:var(--muted)}.eyebrow,time{font-size:12px;letter-spacing:.08em;color:var(--muted)}footer{border-top:1px solid var(--line);border-bottom:0;justify-content:flex-start}@media(prefers-color-scheme:dark){:root{--bg:#0e1117;--fg:#e8ebf2;--muted:#a0a9bb;--line:#293040;--accent:#a8c5ff}}@media(max-width:600px){header{padding:16px;align-items:flex-start}nav{font-size:12px;gap:12px;flex-wrap:wrap}main{margin-top:36px;padding:0 20px}h1{font-size:36px}.lead{font-size:18px}}

:root[data-theme="dark"]{--bg:#0e1117;--fg:#e8ebf2;--muted:#a0a9bb;--line:#293040;--accent:#a8c5ff}:root[data-theme="light"]{--bg:#f4f5f9;--fg:#151926;--muted:#596173;--line:#dce0e9;--accent:#245de0}