:root{--paper:#e9e8df;--ink:#111d32;--muted:#5a6472;--orange:#f05a28;--mint:#a8e6c4;--yellow:#f6d85d;--line:#aeb4b9;--card:#f7f7f1;--max:1200px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 Arial,Helvetica,sans-serif}a{color:inherit}.shell{width:min(calc(100% - 36px),var(--max));margin:auto}.top{border-bottom:2px solid var(--ink);background:var(--paper);position:sticky;top:0;z-index:5}.nav{min-height:76px;display:flex;align-items:center;gap:24px}.brand{font-size:1.25rem;font-weight:900;letter-spacing:-.04em;text-decoration:none}.brand b{display:inline-grid;place-items:center;width:25px;height:25px;border:2px solid var(--ink);background:var(--orange);margin-right:8px;font:900 .8rem ui-monospace,monospace}.links{margin-left:auto;display:flex;gap:20px}.links a{text-transform:uppercase;text-decoration:none;font-size:.72rem;letter-spacing:.11em;font-weight:700}.stamp{background:var(--ink);color:var(--paper);padding:7px 9px;font:700 .64rem ui-monospace,monospace;text-transform:uppercase}.hero{padding:72px 0 52px;border-bottom:1px solid var(--ink)}.strap{display:flex;justify-content:space-between;border-top:2px solid;padding-top:8px;text-transform:uppercase;font:700 .7rem ui-monospace,monospace;letter-spacing:.1em}.hero h1{font-size:clamp(3.2rem,8vw,8rem);line-height:.82;letter-spacing:-.09em;max-width:980px;margin:44px 0 30px}.hero h1 em{color:var(--orange);font-style:normal}.hero-intro{max-width:760px;font-size:clamp(1.15rem,2.2vw,1.65rem)}.hero-grid{display:grid;grid-template-columns:1fr 310px;gap:56px;align-items:end}.card{background:var(--card);border:1px solid var(--ink);padding:24px}.card h3{margin:0 0 8px;font-size:1.35rem;letter-spacing:-.035em}.label{display:block;text-transform:uppercase;font:700 .68rem ui-monospace,monospace;letter-spacing:.14em;color:var(--orange);margin-bottom:12px}.section{padding:66px 0;border-bottom:1px solid var(--ink)}.section-head{display:grid;grid-template-columns:190px 1fr;gap:28px;margin-bottom:30px}.section h2{margin:0;font-size:clamp(2.3rem,5vw,4.5rem);line-height:.9;letter-spacing:-.075em}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.metric{font-size:clamp(2.6rem,5vw,5rem);font-weight:900;letter-spacing:-.08em;line-height:1}.metric small{display:block;font:700 .7rem/1.2 ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:12px}.orange{background:var(--orange);color:#fff}.mint{background:var(--mint)}.yellow{background:var(--yellow)}.note{font: .78rem ui-monospace,monospace;color:var(--muted);border-top:1px solid var(--line);padding-top:11px;margin-top:20px}.ladder{display:grid;gap:2px;background:var(--ink);border:1px solid var(--ink)}.rung{display:grid;grid-template-columns:90px 1fr 130px;gap:20px;align-items:center;background:var(--card);padding:18px}.rung strong{font:900 1.7rem ui-monospace,monospace;color:var(--orange)}.rung span:last-child{text-align:right;font:700 .72rem ui-monospace,monospace;text-transform:uppercase}.diagram{background:var(--ink);color:#fff;padding:24px;border:1px solid var(--ink)}.diagram svg{width:100%;height:auto}.diagram text{font:700 13px ui-monospace,monospace;fill:#fff}.diagram .box{fill:#1e2c43;stroke:var(--mint);stroke-width:2}.diagram .arrow{stroke:var(--orange);stroke-width:3;fill:none}.route{min-height:190px;text-decoration:none;position:relative}.route:hover{background:var(--mint)}.route i{position:absolute;right:18px;bottom:14px;font-size:2rem;font-style:normal}.table-wrap{overflow-x:auto}.data{width:100%;border-collapse:collapse;background:var(--card)}th,td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{text-transform:uppercase;font:700 .68rem ui-monospace,monospace;letter-spacing:.12em}.page-hero{padding:68px 0 40px;border-bottom:1px solid}.page-hero h1{font-size:clamp(3.2rem,7vw,7rem);line-height:.85;letter-spacing:-.08em;margin:18px 0}.article{display:grid;grid-template-columns:190px minmax(0,820px);gap:48px;padding:56px 0}.article aside{font:700 .72rem/1.6 ui-monospace,monospace;color:var(--muted)}.article h2{font-size:2.4rem;line-height:.95;letter-spacing:-.055em;margin:0 0 20px}.article h3{font-size:1.35rem;margin-top:30px}.article p,.article li{font-size:1.05rem}.checklist{display:grid;gap:2px;background:var(--ink)}.check{background:var(--card);padding:16px 20px}.check:before{content:'□';color:var(--orange);font-size:1.4rem;margin-right:10px}.warn{border-left:8px solid var(--orange);background:#fff4cd;padding:18px 22px}.footer{padding:40px 0 58px;color:var(--muted)}.footer .brand{color:var(--ink)}@media(max-width:780px){.links,.stamp{display:none}.hero-grid,.section-head,.grid-2,.grid-3,.article{grid-template-columns:1fr}.hero{padding-top:46px}.hero h1{font-size:4rem}.section{padding:46px 0}.rung{grid-template-columns:58px 1fr}.rung span:last-child{grid-column:2;text-align:left}}