:root{--ink:#17262b;--muted:#4a5c62;--teal:#016075;--line:#dce6e8;--bg:#f3f6f6}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "DM Sans",system-ui,sans-serif}
a{color:var(--teal);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
a:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:3px}
.shell{max-width:1100px;margin:auto;padding:24px 20px 60px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:20px;font-weight:700;text-decoration:none}
.brand img{width:29px;height:auto}
.topbar nav{display:flex;flex-wrap:wrap;gap:16px;font-size:14px}
.layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:start}
.toc,.document{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 12px 36px -28px rgba(1,60,73,.45)}
.toc{position:sticky;top:20px;padding:20px}
.toc strong{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--teal);margin-bottom:10px}
.toc a{display:block;color:var(--muted);font-size:13px;text-decoration:none;padding:5px 0}
.toc a:hover{color:var(--teal);text-decoration:underline}
.document{padding:38px 42px}
.eyebrow{color:var(--teal);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin:0 0 4px}
h1{font-size:clamp(27px,4vw,39px);line-height:1.15;letter-spacing:-.025em;margin:0 0 12px}
.meta{color:#607378;font-size:13px;margin:0 0 24px}
.intro{font-size:17px;color:var(--ink);border-left:4px solid var(--teal);padding:4px 0 4px 17px;margin-bottom:28px}
h2{font-size:21px;line-height:1.25;color:var(--teal);letter-spacing:-.01em;margin:34px 0 10px;scroll-margin-top:20px}
h3{font-size:16px;margin:20px 0 7px}
p,li{color:var(--muted);font-size:15px}
p{margin:9px 0}
ul,ol{padding-left:23px;margin:9px 0}
li{margin:5px 0}
strong{color:var(--ink)}
.note{background:#edf6f6;border:1px solid #c9e4e5;border-radius:12px;padding:14px 17px;margin:22px 0}
.note p{margin:0}
.footer{border-top:1px solid var(--line);margin-top:40px;padding-top:18px;font-size:13px;color:var(--muted)}
.footer a{margin-right:14px}
@media(max-width:760px){.shell{padding:16px 14px 40px}.layout{display:block}.toc{position:static;margin-bottom:14px}.toc a{display:inline-block;margin-right:14px}.document{padding:26px 21px}.topbar{align-items:flex-start;flex-direction:column;gap:8px}}
@media print{body{background:#fff}.shell{max-width:none;padding:0}.topbar,.toc{display:none}.layout{display:block}.document{border:0;box-shadow:none;padding:0}h2{break-after:avoid}}