:root{--ink-900:#0d0d0d;--ink-700:#333;--ink-600:#555;--ink-500:#777;--ink-300:#bbb;--bg:#fff;--surface:#fafafa;--border:#e6e6e6;--brand:#0a66c2;--brand-ink:#084b8a}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji";color:var(--ink-900);background:var(--bg)}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1040px;margin:0 auto;padding:0 16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1rem;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--ink-900);font-weight:600}.btn:hover{background:color-mix(in oklab,#fff 92%,var(--brand));text-decoration:none}.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn-primary:hover{background:color-mix(in oklab,var(--brand) 85%,black)}.muted{color:var(--ink-600)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.card{border:1px solid var(--border);border-radius:12px;background:#fff;padding:16px}.card h3{margin:0 0 .25rem}.card p{margin:.25rem 0 .75rem}.header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}.brand{font-weight:800;letter-spacing:.02em}.nav{display:flex;gap:12px;align-items:center}.footer{margin-top:48px;padding:24px 0;border-top:1px solid var(--border);background:var(--surface)}.sr-only{position:absolute;width:1px;height:1px;clip:rect(1px,1px,1px,1px);overflow:hidden}