:root{color-scheme:light;--ink:#142b33;--muted:#536970;--line:#d6e2e3;--accent:#007d78;--pale:#eaf5f2}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f8faf9;font:16px/1.7 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-underline-offset:4px}header{background:#fff;border-bottom:1px solid var(--line)}.wrap{max-width:1120px;margin:auto;padding:0 32px}.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);font-size:14px;font-weight:750;letter-spacing:.04em}.mark{display:grid;place-items:center;background:var(--ink);color:#9ce4cf;width:44px;height:44px;border-radius:12px;font-size:14px;letter-spacing:-.06em}nav{display:flex;gap:20px;flex-wrap:wrap}nav a{text-decoration:none;font-size:13px;color:var(--muted)}nav a[aria-current]{font-weight:700;color:var(--accent)}.notice{background:#fff5de;border-bottom:1px solid #ebd5a0;color:#6e551e;font-size:13px;padding:10px 0}.notice strong{margin-right:8px}.hero{padding:65px 0 55px;max-width:820px}.eyebrow{font-size:12px;font-weight:750;color:var(--accent);letter-spacing:.13em;margin:0 0 20px}h1{font-size:clamp(36px,5vw,66px);line-height:1.1;letter-spacing:-.045em;margin:0 0 24px}.lead{font-size:19px;line-height:1.65;color:var(--muted);max-width:690px;margin:0}h2{font-size:22px;line-height:1.35;letter-spacing:-.02em;margin:0 0 14px}p{margin:0 0 15px}p:last-child{margin-bottom:0}.actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:30px}.button{display:inline-block;background:var(--accent);color:#fff;border-radius:8px;padding:12px 22px;font-size:14px;text-decoration:none;font-weight:650}.secondary{font-size:14px;text-decoration:none;font-weight:650}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:25px}article h2{font-size:19px}article p{color:var(--muted);font-size:14px}.number{display:block;color:var(--accent);font-size:12px;font-weight:750;margin-bottom:24px}section{border-top:1px solid var(--line);padding:30px 0}section p,section li,dd{color:var(--muted)}section a{font-weight:550}.soft{background:var(--pale);border:0;border-radius:12px;padding:28px 30px;margin:10px 0 40px}.page-head{padding:48px 0 32px}.page-head h1{font-size:42px;line-height:1.2;margin-bottom:12px}.reading{max-width:820px;padding-bottom:40px}ol,ul{padding-left:23px}li{margin-bottom:9px}code{font:13px/1.6 ui-monospace,Consolas,monospace;background:#eaf0ef;padding:3px 5px;overflow-wrap:anywhere}dt{font-weight:700;margin-top:23px}dd{margin:5px 0 0}footer{border-top:1px solid var(--line);font-size:12px;color:var(--muted);padding:24px 0 35px}a:focus-visible{outline:3px solid #b35d00;outline-offset:5px}footer a{margin-right:15px}@media(max-width:850px){.bar{align-items:flex-start;flex-direction:column;padding:20px 0;gap:18px}nav{gap:14px}.cards{grid-template-columns:1fr}.hero{padding:45px 0 35px}.wrap{padding:0 22px}.page-head h1{font-size:34px}}

header { background: #08101e; border-bottom-color: #24374e; }
.brand { flex-shrink: 0; }
.brand img { display: block; width: 168px; height: auto; }
header nav a { color: #cfdeed; }
header nav a[aria-current], header nav a:hover { color: #83d3ff; }
:root { --accent: #1264a6; --pale: #eaf2fb; }
main a, footer a { overflow-wrap: anywhere; }
@media (max-width: 980px) { .bar { align-items: flex-start; flex-direction: column; padding: 16px 0; gap: 14px; } }