:root{--ink:#1d2433;--muted:#4a5468;--bg:#fbfaf7;--accent:#0b5c6b;--accent-ink:#ffffff;--line:#d9d6cf;--soft:#eef5f6}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:1.0625rem;line-height:1.6;color:var(--ink);background:var(--bg)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:10}
.skip:focus{left:.5rem;top:.5rem}
a{color:var(--accent);text-underline-offset:.15em}
a:focus-visible,button:focus-visible{outline:3px solid #b3541e;outline-offset:3px;border-radius:2px}
.wrap{max-width:62rem;margin:0 auto;padding:0 1.25rem}
header{border-bottom:1px solid var(--line);padding:1rem 0}
header .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;justify-content:space-between}
.brand{font-weight:700;font-size:1.25rem;color:var(--ink);text-decoration:none}.brand span{color:var(--accent)}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.25rem 1.25rem}
h1{font-size:clamp(1.75rem,6vw,2.6rem);line-height:1.2;margin:2.5rem 0 1rem}
h2{font-size:1.5rem;margin:2.5rem 0 .75rem}h3{font-size:1.15rem;margin:1.25rem 0 .25rem}
.lede{font-size:1.2rem;color:var(--muted);max-width:44rem}
.btns{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.5rem 0}
.btn{display:inline-block;padding:.75rem 1.2rem;border-radius:.4rem;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600}
.btn.alt{background:transparent;color:var(--accent);border:2px solid var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1rem}
.card{background:#fff;border:1px solid var(--line);border-radius:.5rem;padding:1rem 1.25rem}
.note{background:var(--soft);border-left:4px solid var(--accent);padding:1rem 1.25rem;border-radius:.25rem}
ul.plain{padding-left:1.2rem}
footer{margin-top:3rem;border-top:1px solid var(--line);padding:1.5rem 0;color:var(--muted);font-size:.95rem}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}