:root{--ink:#111418;--muted:#4a525c;--line:#e3e6ea;--bg:#ffffff;--soft:#f5f7f9;--accent:#0b5cad;--accent-ink:#ffffff;--radius:14px;--max:880px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
a:focus-visible,.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}
.site-header{border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:.01em}
.brand img{width:36px;height:36px}
.nav{display:flex;gap:1.1rem;font-size:.95rem}
.nav a{color:var(--muted);text-decoration:none}
.nav a:hover{color:var(--ink);text-decoration:underline}
.hero{text-align:center;padding:3.5rem 0 2.75rem}
.hero img{width:128px;height:128px}
.hero h1{font-size:clamp(1.8rem,4.5vw,2.6rem);line-height:1.2;margin:1rem 0 .5rem;letter-spacing:-.01em}
.hero p{margin:0;color:var(--muted);font-size:1.15rem}
section{padding:2.5rem 0;border-top:1px solid var(--line)}
h2{font-size:1.45rem;margin:0 0 1.25rem}
.card{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}
.card h3{margin:0 0 .4rem;font-size:1.25rem}
.card p{margin:0 0 1rem;color:var(--muted)}
.links{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;align-items:center;margin:0;padding:0;list-style:none}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:600;padding:.6rem 1.1rem;border-radius:10px}
.btn:hover{background:#084a8c}
.site-footer{border-top:1px solid var(--line);padding:1.75rem 0;color:var(--muted);font-size:.92rem}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem}
.site-footer a{color:var(--muted)}
.prose{padding:2.5rem 0 3rem}
.prose h1{font-size:clamp(1.7rem,4vw,2.2rem);margin:0 0 .25rem}
.prose .meta{color:var(--muted);margin:0 0 2rem}
.prose h2{font-size:1.2rem;margin:2rem 0 .5rem}
.prose p,.prose li{max-width:68ch}
@media (max-width:520px){.nav{gap:.8rem;font-size:.9rem}.brand span{font-size:.95rem}.hero{padding:2.5rem 0 2rem}}
@media (prefers-reduced-motion:no-preference){a,.btn{transition:background-color .15s,color .15s}}