:root{--brand:#1d4ed8;--brand-dark:#1e3a8a;--ink:#0f172a;--muted:#475569;--surface:#fff;--surface-alt:#f8fafc;--border:#e2e8f0;--radius:.75rem;--shadow:0 1px 3px #0f172a14, 0 4px 12px #0f172a0f;--max-w:72rem;--text-sm:clamp(.85rem, .82rem + .1vw, .9rem);--text-base:clamp(1rem, .95rem + .2vw, 1.075rem);--text-lg:clamp(1.1rem, 1rem + .4vw, 1.3rem);--text-xl:clamp(1.35rem, 1.2rem + .8vw, 1.75rem);--text-2xl:clamp(1.7rem, 1.4rem + 1.4vw, 2.4rem);--text-3xl:clamp(2.2rem, 1.7rem + 2.4vw, 3.4rem)}*{box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6;font-size:var(--text-base);color:var(--ink);background:var(--surface);-webkit-font-smoothing:antialiased;margin:0}img{max-width:100%;height:auto}h1,h2,h3,h4{letter-spacing:-.015em;margin:0 0 .6em;font-weight:700;line-height:1.15}h1{font-size:var(--text-3xl);font-weight:800}h2{font-size:var(--text-2xl)}h3{font-size:var(--text-xl)}h4{font-size:var(--text-lg)}p{margin-block:0 1em}p:last-child{margin-bottom:0}a{color:var(--brand)}.lead{font-size:var(--text-lg);color:var(--muted);max-width:42rem}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:var(--text-sm);color:var(--brand);margin-bottom:.5rem;font-weight:700}.caption{font-size:var(--text-sm);color:var(--muted)}.section{display:block}.theme-light{background:var(--surface-alt)}.theme-dark{background:var(--ink);color:#f8fafc}.theme-brand{background:linear-gradient(135deg, var(--brand), var(--brand-dark));color:#fff}.theme-dark a:not(.btn),.theme-brand a:not(.btn){color:inherit}.theme-dark .lead,.theme-brand .lead,.theme-dark .caption,.theme-brand .caption{color:inherit;opacity:.8}.theme-dark .eyebrow,.theme-brand .eyebrow{color:inherit;opacity:.85}.spacing-none{padding-block:0}.spacing-sm{padding-block:clamp(1.25rem,2vw,2rem)}.spacing-md{padding-block:clamp(2.5rem,5vw,4rem)}.spacing-lg{padding-block:clamp(4.5rem,9vw,7.5rem)}.width-contained>.inner{max-width:var(--max-w);margin-inline:auto;padding-inline:clamp(1rem,3vw,1.5rem)}.width-full>.inner{width:100%}.btn{border-radius:calc(var(--radius) - .25rem);cursor:pointer;font-weight:600;line-height:1.4;font-size:var(--text-base);border:2px solid #0000;padding:.65rem 1.4rem;text-decoration:none;transition:background .15s,color .15s,border-color .15s,transform .1s,box-shadow .15s;display:inline-block}.btn:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.btn:active{transform:none}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.theme-brand .btn-primary{color:var(--brand);background:#fff}.theme-brand .btn-primary:hover{background:var(--surface-alt)}.btn-secondary{background:var(--muted);color:#fff}.btn-secondary:hover{background:var(--ink)}.theme-dark .btn-secondary{background:#334155}.btn-outline{color:inherit;background:0 0;border-color:currentColor}.btn-outline:hover{background:#7f7f7f1f}.btn-link{color:inherit;padding-inline:.25rem;text-decoration:underline}.btn-link:hover{box-shadow:none;opacity:.8;transform:none}.btn-row{flex-wrap:wrap;gap:.75rem;margin-top:1.5rem;display:flex}.grid{gap:1.5rem;margin-top:1.5rem;display:grid}.grid:first-child{margin-top:0}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (width<=60rem){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (width<=40rem){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.card{background:var(--surface);color:var(--ink);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;transition:border-color .15s,box-shadow .15s}.card:hover{box-shadow:0 2px 6px #0f172a1a,0 8px 20px #0f172a14}.theme-light .card{border-color:#0000}.theme-dark .card{color:#f8fafc;background:#1e293b;border-color:#334155}.theme-brand .card{color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#ffffff1a;border-color:#fff3}.card img{border-radius:calc(var(--radius) - .35rem)}.hero .inner{padding-block:clamp(1rem,3vw,2.5rem)}.hero h1{max-width:46rem;margin-bottom:.35em}.hero .lead{margin-bottom:0}body>header{border-bottom:1px solid var(--border);background:var(--surface);z-index:10;position:sticky;top:0}body>header .inner{max-width:var(--max-w);margin-inline:auto;padding:.85rem clamp(1rem,3vw,1.5rem)}body>header nav{flex-wrap:wrap;align-items:center;gap:1.25rem;display:flex}body>header nav strong{font-size:var(--text-lg);letter-spacing:-.01em;margin-right:auto}body>header nav a{color:var(--ink);font-weight:500;font-size:var(--text-sm);text-decoration:none}body>header nav a:hover{color:var(--brand)}body>footer{margin-top:0}body>footer .inner{flex-wrap:wrap;align-items:flex-start;gap:2.5rem 4rem;display:flex}body>footer .inner>div{flex-direction:column;gap:.4rem;min-width:10rem;display:flex}body>footer h4{font-size:var(--text-sm);text-transform:uppercase;letter-spacing:.08em;opacity:.7;margin:0 0 .35rem}body>footer a{color:inherit;opacity:.85;font-size:var(--text-sm);text-decoration:none}body>footer a:hover{opacity:1;text-decoration:underline}body>footer .inner>p{font-size:var(--text-sm);opacity:.6;border-top:1px solid #ffffff26;flex-basis:100%;margin:0;padding-top:1.25rem}.prose{max-width:46rem}.prose ul,.prose ol{padding-left:1.4rem}.prose li{margin-block:.3rem}