:root{--ink:#14213d;--muted:#5c677d;--bg:#f7f7f2;--card:#fff;--acc:#e85d04;--ok:#2a9d8f;--bad:#c1121f;--line:#e3e3dc}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:#0b5cad}a:focus-visible,button:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.wrap{max-width:860px;margin:0 auto;padding:0 18px}header.site{background:var(--ink);color:#fff}header.site .wrap{display:flex;justify-content:space-between;align-items:center;padding:14px 18px}
header.site a{color:#fff;text-decoration:none}.logo{font-weight:800;font-size:1.25rem;letter-spacing:-.5px}.logo span{color:var(--acc)}nav a{margin-left:16px;font-size:.95rem}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
h1{font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2;margin:28px 0 8px}h2{margin-top:36px;font-size:1.35rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:16px 0}
.example{background:repeating-linear-gradient(45deg,#ffd60a,#ffd60a 12px,#ffc300 12px,#ffc300 24px);color:#000;font-weight:800;text-align:center;padding:10px;font-size:1.1rem;border-bottom:3px solid #000}
.summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}.stat{font-size:2.2rem;font-weight:800;line-height:1}.lbl{color:var(--muted);font-size:.9rem}
.bar{height:10px;background:var(--line);border-radius:5px;overflow:hidden;margin-top:6px}.bar i{display:block;height:100%;background:var(--acc)}
ol.fails{padding-left:0;list-style:none;counter-reset:f}ol.fails li{counter-increment:f;padding:12px 0;border-bottom:1px solid var(--line)}
ol.fails li::before{content:counter(f);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700;margin-right:10px;font-size:.85rem}
.fail-head{display:flex;justify-content:space-between;font-weight:600;gap:8px}.fail-exp{color:var(--muted);margin:4px 0 0 38px;font-size:.95rem}
.cta{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.cta .card{margin:0;border-top:4px solid var(--acc)}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;font-weight:700;margin-top:8px}
.small{font-size:.82rem;color:var(--muted)}ul.check li{margin:6px 0}details{border-bottom:1px solid var(--line);padding:10px 0}summary{cursor:pointer;font-weight:600}
footer{margin-top:50px;padding:24px 0;background:#e9e9e2;font-size:.9rem}footer a{margin-right:14px}svg text{font:12px system-ui,sans-serif;fill:#5c677d}
.grid-links{columns:2 220px}