:root{--bg:#0f1115;--surface:#171a21;--text:#e7e9ee;--muted:#9aa3b2;--border:#262b36;--accent:#4f8cff;--accent-soft:#4f8cff1f;--radius:14px;--maxw:760px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media (prefers-color-scheme:light){:root{--bg:#f6f7f9;--surface:#fff;--text:#1a1d24;--muted:#5b6472;--border:#e4e7ec;--accent:#2f6fed;--accent-soft:#2f6fed14}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.shell{flex-direction:column;min-height:100vh;display:flex}main{width:100%;max-width:var(--maxw);flex:1;margin:0 auto;padding:2.5rem 1.25rem 4rem}.site-header{max-width:var(--maxw);border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;width:100%;margin:0 auto;padding:1.1rem 1.25rem;display:flex}.brand{color:var(--text);align-items:center;gap:.6rem;font-size:1.15rem;font-weight:700;display:inline-flex}.brand:hover{text-decoration:none}.site-header nav{gap:.4rem;display:flex}.site-header nav a{color:var(--muted);border-radius:999px;padding:.4rem .8rem;font-size:.95rem;font-weight:500}.site-header nav a:hover{color:var(--text);background:var(--accent-soft);text-decoration:none}.site-header nav a.active{color:var(--accent);background:var(--accent-soft)}.site-footer{max-width:var(--maxw);border-top:1px solid var(--border);width:100%;color:var(--muted);margin:0 auto;padding:1.5rem 1.25rem 2.5rem;font-size:.875rem}.site-footer p{margin:.2rem 0}.site-footer .links span{color:var(--border);margin:0 .4rem}h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:clamp(1.8rem,4vw,2.4rem);line-height:1.2}h2{letter-spacing:-.01em;margin:2.2rem 0 .6rem;font-size:1.3rem}h3{margin:1.6rem 0 .4rem;font-size:1.05rem}p{margin:.75rem 0}.lead{color:var(--muted);margin-bottom:2rem;font-size:1.15rem}.updated{color:var(--muted);margin-top:0;font-size:.875rem}ul{padding-left:1.25rem}li{margin:.35rem 0}hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}.cards{grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0;display:grid}@media (width<=560px){.cards{grid-template-columns:1fr}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:1.4rem;transition:border-color .15s,transform .15s;display:block}.card:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-2px)}.card h3{margin:0 0 .3rem}.card p{color:var(--muted);margin:0;font-size:.95rem}.callout{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius);margin:1.5rem 0;padding:1.2rem 1.4rem}.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}details.faq{border-bottom:1px solid var(--border);padding:.5rem 0}details.faq summary{cursor:pointer;justify-content:space-between;align-items:center;padding:.6rem 0;font-weight:600;list-style:none;display:flex}details.faq summary::-webkit-details-marker{display:none}details.faq summary:after{content:"+";color:var(--muted);font-size:1.3rem;line-height:1}details.faq[open] summary:after{content:"−"}details.faq p{color:var(--muted);margin-top:0}