:root{--bg:#f7f8fb;--surface:#fff;--border:#d9dde7;--accent-rgb:45 91 214;--accent:rgb(var(--accent-rgb));--on-accent:#fff;--text:#171a21;--text-muted:#555d6e;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;min-height:100vh;margin:0}a{color:var(--accent)}:focus-visible{outline:3px solid rgb(var(--accent-rgb) / .5);outline-offset:2px}.visually-hidden{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{background:var(--accent);color:var(--on-accent);border-radius:0 0 6px 6px;padding:.5rem 1rem;position:absolute;top:-3rem;left:1rem}.skip-link:focus{top:0}.site-header{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1.5rem;padding:.75rem clamp(1rem,4vw,2rem);display:flex}.brand{color:var(--text);font-weight:700;text-decoration:none}.site-nav ul{gap:1rem;margin:0;padding:0;list-style:none;display:flex}.site-nav a{color:var(--text-muted);border-bottom:2px solid #0000;padding:.25rem 0;text-decoration:none}.site-nav a:hover{color:var(--text)}.site-nav a[aria-current=page]{color:var(--accent);border-bottom-color:var(--accent)}.page{max-width:48rem;margin:0 auto;padding:clamp(1.5rem,5vw,3rem) clamp(1rem,4vw,2rem)}.page h1{margin-top:0;font-size:clamp(1.75rem,5vw,2.5rem);line-height:1.2}.page h1:focus{outline:none}.lead{color:var(--text-muted);font-size:1.15rem}code{background:rgb(var(--accent-rgb) / .08);border-radius:4px;padding:.1em .3em;font-size:.9em}