:root{--ink:#1b1a17;--muted:#6b675f;--line:#e4e0d6;--bg:#faf8f3;--accent:#8a4b1f}
@media (prefers-color-scheme:dark){:root{--ink:#ece8df;--muted:#a39d91;--line:#34312b;--bg:#181714;--accent:#d9925a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 Georgia,"Iowan Old Style",serif}
main{max-width:680px;margin:0 auto;padding:56px 20px 80px}
header{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:40px}
.brand{font:600 15px/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);text-decoration:none}
nav a{font:14px ui-sans-serif,system-ui,sans-serif;color:var(--muted);margin-left:18px;text-decoration:none}
nav a:hover,a{color:var(--accent)}
h1{font-size:34px;line-height:1.2;margin:0 0 16px;font-weight:normal}
h2{font:600 13px ui-sans-serif,system-ui,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:44px 0 10px}
h3{font-size:19px;margin:28px 0 6px;font-weight:600}
.lede{font-size:20px;color:var(--muted)}
ul{padding-left:20px}
footer{margin-top:64px;border-top:1px solid var(--line);padding-top:14px;font:13px ui-sans-serif,system-ui,sans-serif;color:var(--muted)}
.tool{border-top:1px solid var(--line);padding:16px 0}
.tool p{margin:4px 0 0;color:var(--muted)}