:root{color-scheme:light;--paper:#fff;--ink:#152b42;--blue:#234b7b;--wash:#e8eff7;--muted:#536779}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 Charter,"Bitstream Charter",Georgia,serif}header,main,footer{max-width:860px;margin:auto;padding:32px 48px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;background:var(--wash);border-radius:0 0 28px 28px}.brand,h1,h2,dt,nav{font-family:"Trebuchet MS",Verdana,sans-serif}.brand{font-size:30px;font-weight:bold;text-decoration:none}nav{display:flex;gap:24px;font-size:15px}a{color:var(--blue);text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--blue);outline-offset:5px}a[aria-current]{font-weight:bold}main{padding-top:58px;padding-bottom:40px}h1{font-size:clamp(32px,5vw,49px);line-height:1.14;letter-spacing:-.025em;max-width:690px;margin:0 0 28px}h2{font-size:24px;line-height:1.3;margin:0 0 14px}p{max-width:68ch;margin:0 0 20px}.intro{font-size:24px;line-height:1.45;color:var(--muted);margin-bottom:28px}section{margin-top:42px}dl{display:grid;grid-template-columns:105px 1fr;gap:18px 26px}dt{font-weight:bold}dd{margin:0}footer{font-size:15px;color:var(--muted);border-top:1px solid var(--wash)}@media(max-width:520px){header,main,footer{padding:25px}header{align-items:flex-start;gap:14px}nav{gap:14px;flex-wrap:wrap}.brand{font-size:25px}main{padding-top:38px}.intro{font-size:21px}dl{grid-template-columns:1fr;gap:4px}dd{margin-bottom:16px}body{font-size:17px}}