:root{--blue:#1E6FEB;--navy:#0D1C45;--text:#475569;--line:#E2E8F0;--bg:#F3F7FC}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--text);font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;font-size:1rem;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
:focus-visible{outline:3px solid #3D8BFF;outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--navy);padding:8px 12px;z-index:100;border-radius:8px}
.skip:focus{left:8px}

header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);box-shadow:0 1px 0 rgba(15,23,42,.06)}
.nav{max-width:1120px;margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav img{height:44px;width:auto;display:block}
.nav a.back{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:10px;font-size:.88rem;font-weight:600;color:var(--navy);text-decoration:none}
.nav a.back:hover{background:var(--bg)}

main{max-width:760px;margin:0 auto;padding:64px 24px 88px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin:0 0 12px}
h1{margin:0;color:var(--navy);font-size:clamp(2rem,5vw,3rem);line-height:1.1;letter-spacing:-.025em;font-weight:700}
.updated{margin:14px 0 0;font-size:.9rem}
.summary{margin:32px 0 0;padding:20px 24px;background:var(--bg);border-left:4px solid var(--blue);border-radius:0 14px 14px 0}
.summary strong{color:var(--navy)}
.summary p{margin:0}
.summary p+p{margin-top:10px}
.toc{margin:36px 0 0;padding:0;list-style:none;columns:2;column-gap:32px;font-size:.92rem}
.toc li{break-inside:avoid;margin:0}
.toc a{display:inline-block;padding:5px 0;text-decoration:none;color:var(--navy);font-weight:500}
.toc a:hover{color:var(--blue);text-decoration:underline}
h2{margin:48px 0 8px;color:var(--navy);font-size:1.35rem;line-height:1.3;letter-spacing:-.01em;font-weight:700;scroll-margin-top:88px}
h3{margin:24px 0 4px;color:var(--navy);font-size:1rem;font-weight:700}
p{margin:12px 0 0}
ul{margin:12px 0 0;padding-left:1.3em}
li{margin-top:6px}
li::marker{color:var(--blue)}
strong{color:var(--navy)}

footer{background:var(--navy);color:#CBD5E1;text-align:center;padding:36px 20px 40px;font-size:.92rem}
footer img{height:44px;width:auto;margin:0 auto 6px;display:block}
.footer-links{display:flex;justify-content:center;flex-wrap:wrap;gap:0 8px}
.footer-links a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;color:#CBD5E1;font-weight:500;text-decoration:none}
.footer-links a:hover,.footer-links a[aria-current="page"]{color:#fff;text-decoration:underline}
footer p{margin:6px 0 0}
footer p a{color:inherit}

@media (max-width:640px){
  main{padding:44px 20px 64px}
  .toc{columns:1}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{header.site,footer,.toc{display:none}main{padding:0}}