:root{--bg:#f7f5f0;--fg:#22211f;--muted:#6d6a63;--line:#e2ddd2;--accent:#3d6b5a}
@media (prefers-color-scheme:dark){:root{--bg:#151614;--fg:#e9e6df;--muted:#9a968d;--line:#2b2c29;--accent:#7fb39f}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 Georgia,"Times New Roman",serif}
header,main,footer{max-width:720px;margin:0 auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:baseline;padding-top:36px;padding-bottom:18px;border-bottom:1px solid var(--line)}
header a.brand{font-size:22px;color:var(--fg);text-decoration:none;letter-spacing:.02em}
nav a{margin-left:18px;color:var(--muted);text-decoration:none;font:15px system-ui,sans-serif}
nav a:hover,a{color:var(--accent)}
h1{font-weight:normal;font-size:32px;line-height:1.25;margin:40px 0 8px}
h2{font-weight:normal;font-size:23px;margin:36px 0 4px}
.date{color:var(--muted);font:14px system-ui,sans-serif}
article{border-bottom:1px solid var(--line);padding-bottom:22px}
footer{color:var(--muted);font:14px system-ui,sans-serif;padding-top:30px;padding-bottom:40px}