:root{--ink:#1b1b21;--muted:#5d5f6b;--line:#e2e2ea;--bg:#fbfbfd;--accent:#4a3f9f}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Iowan Old Style","Palatino Linotype",Georgia,serif}
header,main,footer{max-width:56rem;margin:0 auto;padding:0 1.4rem}
header{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-top:2.2rem;padding-bottom:1.2rem;border-bottom:1px solid var(--line)}
.brand{font-size:1.15rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--accent);text-decoration:none}
nav a{color:var(--muted);text-decoration:none;margin-left:1.1rem;font-size:.92rem}
nav a:hover{color:var(--accent)}
h1{font-size:2.1rem;line-height:1.2;margin:2.4rem 0 .6rem}
h2{font-size:1.25rem;margin:2.2rem 0 .5rem}
.lead{color:var(--muted);font-size:1.06rem;max-width:40rem}
table{border-collapse:collapse;width:100%;margin:1.2rem 0;font-size:.94rem}
th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;background:#f0f0f6;padding:.12em .38em;border-radius:3px}
ul{padding-left:1.15rem}
li{margin:.35rem 0}
footer{border-top:1px solid var(--line);margin-top:3rem;padding-top:1.2rem;padding-bottom:2.6rem;color:var(--muted);font-size:.88rem}