:root{--ink:#10151c;--panel:#161d28;--yellow:#ffc640;--purple:#432371;--paper:#fff;--soft:#f4f5f7;--muted:#58616d;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#e9ebef;color:var(--ink);font:17px/1.62 Arial,sans-serif}.site{width:min(var(--max),100%);margin:auto;background:#fff;min-height:100vh}.wrap{width:min(1050px,calc(100% - 40px));margin:auto}a{color:inherit;text-underline-offset:3px}.head{background:var(--ink);color:#fff;border-top:7px solid var(--yellow)}.headrow{min-height:105px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{font:900 1.75rem/1 Arial;text-decoration:none;letter-spacing:-.045em}.brand b{color:var(--yellow)}.nav{display:flex;flex-wrap:wrap;gap:12px 24px}.nav a{text-decoration:none;font-weight:700}.subnav{background:var(--panel);color:#fff}.subnav .wrap{display:flex;flex-wrap:wrap;gap:10px 22px;padding:13px 0}.subnav a{text-decoration:none}.hero{background:radial-gradient(circle at 94% 16%,transparent 0 88px,var(--yellow) 90px 142px,transparent 144px),var(--ink);color:#fff;padding:84px 0}.hero h1{font-size:clamp(3rem,7.2vw,5.9rem);line-height:.98;letter-spacing:-.055em;max-width:850px;margin:0 0 25px}.hero p{font-size:1.25rem;max-width:720px}.hero .mark{color:var(--yellow)}.section{padding:68px 0}.section h2{font-size:2.1rem;line-height:1.15}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--soft);border-top:6px solid var(--yellow);padding:25px;min-height:245px;display:flex;flex-direction:column}.card h2{font-size:1.4rem}.card p{color:var(--muted);flex:1}.band{background:var(--yellow);padding:52px 0}.bandgrid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.band h2{font-size:2rem;margin:0}.crumbs{padding:17px 0;color:var(--muted)}.crumbs span{margin:0 8px}.pagehead{padding:66px 0;background:var(--soft);border-bottom:7px solid var(--yellow)}.pagehead h1{font-size:clamp(2.7rem,5.6vw,4.8rem);line-height:1;letter-spacing:-.045em;margin:0 0 22px;max-width:950px;overflow-wrap:normal}.lead{font-size:1.18rem;max-width:760px}.content{max-width:880px;margin:auto;padding:62px 24px 82px}.prose{padding-bottom:32px;margin-bottom:32px;border-bottom:1px solid #d9dde2}.prose h2{font-size:1.7rem}.next{background:var(--soft);border-left:6px solid var(--yellow);padding:23px}.resource{margin:35px 0;padding:25px;background:var(--ink);color:#fff}.resource a{color:var(--yellow);font-weight:700}.foot{background:var(--ink);color:#fff;padding:38px 0}.foot .wrap{display:flex;justify-content:space-between;gap:24px}.foot a{color:#fff}.error{min-height:60vh;display:grid;place-items:center;background:var(--soft)}.errorbox{width:min(650px,calc(100% - 32px));background:#fff;border-top:8px solid var(--yellow);padding:42px}.code{font:900 clamp(5rem,18vw,9rem)/.8 Arial;color:var(--yellow)}.skip{position:absolute;top:8px;left:10px;transform:translateY(-180%);background:#fff;color:#000;padding:8px;z-index:20}.skip:focus{transform:none}@media(max-width:760px){.headrow{align-items:flex-start;flex-direction:column;padding:25px 0}.grid{grid-template-columns:1fr 1fr}.bandgrid{grid-template-columns:1fr}.foot .wrap{flex-direction:column}}@media(max-width:520px){body{font-size:16px}.wrap{width:min(100% - 28px,1050px)}.nav{gap:10px 16px}.grid{grid-template-columns:1fr}.hero{padding:60px 0;background:radial-gradient(circle at 115% 8%,transparent 0 65px,var(--yellow) 67px 105px,transparent 107px),var(--ink)}.hero h1{font-size:3.15rem}.pagehead{padding:50px 0}.pagehead h1{font-size:2.5rem}.card{min-height:0}.content{padding:46px 14px 65px}.band{padding:40px 0}}