:root{--bg: #fcfcff;--bg-subtle: #f2f6fc;--bg-elevated: #ffffff;--text: #1a1c1e;--text-muted: #42474e;--border: #dee3eb;--primary: #0d3b8c;--primary-strong: #0a2e6e;--primary-bright: #1e5eff;--primary-contrast: #ffffff;--accent-soft: #cbe6ff;--ring: rgba(30, 94, 255, .28);--shadow: 0 1px 2px rgba(13, 59, 140, .05), 0 12px 32px rgba(13, 59, 140, .08);--radius: 16px;--radius-sm: 10px;--maxw: 1080px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media(prefers-color-scheme:dark){:root{--bg: #0b1220;--bg-subtle: #0f1830;--bg-elevated: #131c33;--text: #eaf0fa;--text-muted: #9fb0c7;--border: #22304d;--primary: #6fa8ff;--primary-strong: #8fbeff;--primary-bright: #6fa8ff;--primary-contrast: #071120;--accent-soft: #16233f;--ring: rgba(111, 168, 255, .32);--shadow: 0 1px 2px rgba(0, 0, 0, .35), 0 16px 40px rgba(0, 0, 0, .45)}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}h1{font-size:clamp(2.1rem,5vw,3.4rem)}h2{font-size:clamp(1.6rem,3.5vw,2.2rem)}h3{font-size:1.2rem}p{margin:0 0 1rem}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:72px 0}.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);margin-bottom:12px}.muted{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:1rem;padding:13px 24px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:transform .06s ease,background .15s ease,border-color .15s ease}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:var(--primary-contrast)}.btn-primary:hover{background:var(--primary-strong)}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}.btn-ghost:hover{background:var(--bg-subtle)}:where(a,button):focus-visible{outline:3px solid var(--ring);outline-offset:2px}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;height:66px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text);letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand-mark{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--primary-bright));display:grid;place-items:center;color:#fff;font-weight:800;font-size:1rem}.nav-links{display:flex;align-items:center;gap:28px}.nav-links a{color:var(--text-muted);font-size:.95rem;font-weight:500}.nav-links a:hover{color:var(--text);text-decoration:none}.nav-cta{display:flex;gap:12px;align-items:center}@media(max-width:760px){.nav-links{display:none}}.site-footer{border-top:1px solid var(--border);background:var(--bg-subtle);padding:48px 0 40px;font-size:.92rem}.footer-grid{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between}.footer-links{display:flex;flex-wrap:wrap;gap:24px}.footer-links a{color:var(--text-muted)}.footer-bottom{margin-top:32px;padding-top:24px;border-top:1px solid var(--border);color:var(--text-muted);font-size:.85rem}.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr}}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.card .icon{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);display:grid;place-items:center;margin-bottom:16px;font-size:1.4rem}.card h3{margin-bottom:6px}.card p{margin:0;color:var(--text-muted);font-size:.98rem}.prose{max-width:760px;margin:0 auto}.prose h2{margin-top:2em;font-size:1.5rem;scroll-margin-top:90px}.prose h3{margin-top:1.6em;font-size:1.15rem}.prose ul{padding-left:1.3em}.prose li{margin-bottom:.5em}.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem}.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;vertical-align:top}.prose th{background:var(--bg-subtle);font-weight:600}.page-head{padding:56px 0 8px;border-bottom:1px solid var(--border);margin-bottom:40px}.toc{background:var(--bg-subtle);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin:0 auto 40px;max-width:760px}.toc strong{display:block;margin-bottom:8px;font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.toc ol{margin:0;padding-left:1.2em;columns:2;gap:24px}.toc li{margin-bottom:4px}@media(max-width:600px){.toc ol{columns:1}}