:root{--bg:#f5f7fb;--surface:#fff;--text:#0f172a;--muted:#475569;--border:#dbe3ef;--accent:#1d4ed8;--max:980px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max);margin:0 auto;padding:0 1.25rem}.site-footer,.site-header{background:var(--surface);border-bottom:1px solid var(--border)}.site-footer{border-top:1px solid var(--border);border-bottom:0;margin-top:4rem}.shell{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.25rem}.logo{font-weight:700;color:var(--text)}.nav-list{list-style:none;display:flex;gap:1rem;padding:0;margin:0}.page-content{padding-top:3rem}article,section{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:2rem;margin-bottom:1.25rem}h1{font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2;margin:0 0 1rem}h2{font-size:1.35rem;margin:1.5rem 0 .65rem}.lead{font-size:1.1rem;color:#0b1220}li,p{color:var(--muted)}ul{padding-left:1.2rem}@media (max-width:700px){.shell{flex-direction:column;align-items:flex-start}.nav-list{flex-wrap:wrap}article,section{padding:1.35rem}}.footer-links{display:inline-flex;align-items:center;gap:1rem}