:root{--ink:#1c2b33;--paper:#f7fafc;--accent:#8fd3ef;--muted:#5a6b76;--line:#c3d0d8;--note-bg:#e6f2f8;--note-edge:#2f6f8f}
*{box-sizing:border-box}
body{color:var(--ink);background:var(--paper);margin:0;font:18px/1.65 Arial,sans-serif}
a{color:inherit;text-underline-offset:4px}
a:hover{color:#1a5d80}
a:focus-visible{outline-offset:5px;outline:3px solid #2f6f8f}
header,main,footer{max-width:960px;margin:auto;padding:28px 32px}
header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:28px;display:flex}
.brand{letter-spacing:.09em;font-size:14px;font-weight:700;text-decoration:none}
.brand span{letter-spacing:.03em;font:28px Georgia,serif;display:block}
nav{gap:26px;font-size:16px;display:flex}
.hero{max-width:820px;padding:56px 0 40px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-size:14px;font-weight:700}
h1,h2,h3{font-family:Georgia,serif;font-weight:400;line-height:1.12}
h1{letter-spacing:-.04em;margin:18px 0 22px;font-size:clamp(38px,5.6vw,66px)}
h2{font-size:32px}
h3{margin:12px 0;font-size:26px}
.intro{max-width:700px;font-size:21px}
.action{background:var(--ink);color:#fff;margin-top:12px;padding:13px 22px;font-size:16px;text-decoration:none;display:inline-block}
.action:hover{color:#fff;background:#2f4553}
.divider{border-top:1px solid var(--line);margin:20px 0 38px}
.sectionhead{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:baseline;display:flex}
.guides{grid-template-columns:repeat(2,1fr);gap:32px;padding:30px 0 56px;display:grid}
.guide{border-top:5px solid var(--accent);padding-top:18px}
.guide p{color:var(--muted);font-size:17px}
.guide a{text-decoration:none}
.guide a:hover{text-decoration:underline}
.number{letter-spacing:.1em;font-size:14px}
.article{max-width:760px;margin:44px auto 80px}
.article h1{font-size:clamp(34px,5vw,54px)}
.article h2{margin-top:40px;font-size:29px}
.article h3{margin-top:30px;font-size:23px}
.article p,.article li{margin-bottom:18px}
.article ul,.article ol{padding-left:24px}
.note{background:var(--note-bg);border-left:4px solid var(--note-edge);padding:22px 26px}
.sources{border-top:1px solid var(--line);margin-top:42px;padding-top:16px;font-size:16px}
.meta{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);margin-top:36px;padding-bottom:42px;font-size:14px}
.skip{position:absolute;top:-100px}
.skip:focus{z-index:5;background:#fff;padding:12px;top:8px}
@media (max-width:640px){header,main,footer{padding-left:20px;padding-right:20px}nav{gap:16px;font-size:14px}.brand{font-size:11px}.brand span{font-size:21px}.hero{padding:32px 0}.intro{font-size:19px}.guides{grid-template-columns:1fr;gap:28px}.sectionhead{display:block}.article{margin-top:22px}}