:root{--ink: #0f1117;--ink-soft: #3a3f4a;--muted: #8A8B8C;--line: #C2C0BF;--bg: #ffffff;--bg-soft: #f7f6f5;--bg-sink: #eeeceb;--brand: #A31F34;--brand-dark: #7E1627;--brand-tint: #F3E5E7;--accent: #6b7280;--accent-tint: #f0f1f3;--s0: #c4622a;--s25: #d98b3a;--s50: #e3c14a;--s75: #8bbf5a;--s100: #3f9c5a;--radius: 12px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(15, 17, 23, .06), 0 8px 24px rgba(15, 17, 23, .06);--maxw: 1080px;--font-sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{line-height:1.2;color:var(--ink);font-weight:650;letter-spacing:-.01em}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.tm{font-size:.55em;vertical-align:super;font-weight:500;color:var(--muted)}.site-header{position:sticky;top:0;z-index:20;background:#ffffffd9;backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:60px}.brand{font-weight:700;letter-spacing:.02em;color:var(--ink);font-size:1.05rem;display:inline-flex;align-items:baseline;gap:.1rem}.brand .dot{color:var(--brand)}.nav{display:flex;gap:1.4rem;align-items:center}.nav a{color:var(--ink-soft);font-size:.95rem;font-weight:500}.nav a.cta{background:var(--brand);color:#fff;padding:.45rem .9rem;border-radius:999px}.nav a.cta:hover{background:var(--brand-dark);text-decoration:none}.nav a.nav-secondary{font-size:.82rem;color:var(--muted)}.hero{background:radial-gradient(120% 120% at 80% -10%,var(--brand-tint),transparent 55%),linear-gradient(180deg,var(--bg) 0%,var(--bg-soft) 100%);border-bottom:1px solid var(--line);padding:4.5rem 0 3.5rem}.hero h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:0 0 1rem}.hero .lede{font-size:1.2rem;color:var(--ink-soft);max-width:60ch;margin:0 0 1.75rem}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--brand);margin:0 0 .9rem}.btn-row{display:flex;gap:.75rem;flex-wrap:wrap}.btn{display:inline-block;padding:.7rem 1.3rem;border-radius:999px;font-weight:600;font-size:.98rem;border:1px solid transparent}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark);text-decoration:none}.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--brand);text-decoration:none}section.block{padding:3.5rem 0}section.block.tint{background:var(--bg-soft);border-block:1px solid var(--line)}.section-head{max-width:64ch;margin-bottom:2rem}.section-head h2{font-size:clamp(1.6rem,3.5vw,2.1rem);margin:0 0 .6rem}.section-head p{color:var(--ink-soft);margin:0;font-size:1.05rem}.grid{display:grid;gap:1rem}.grid.cols-2{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem}.card h3{margin:0 0 .4rem;font-size:1.1rem}.card p{margin:0;color:var(--ink-soft);font-size:.96rem}.tag{display:inline-block;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:.15rem .5rem;border-radius:999px}.tag.output{background:var(--accent-tint);color:var(--accent)}.tag.input{background:var(--brand-tint);color:var(--brand-dark)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}table.model{width:100%;border-collapse:collapse;font-size:.94rem;background:#fff}table.model th,table.model td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}table.model thead th{background:var(--bg-sink);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}table.model tbody tr:last-child td{border-bottom:none}table.model td.w{font-variant-numeric:tabular-nums;font-weight:600;color:var(--brand-dark);white-space:nowrap}.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:2.5rem 0;margin-top:1rem}.site-footer .cols{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}.site-footer p,.site-footer li{color:var(--muted);font-size:.9rem}.disclaimer{margin-top:1.5rem;padding-top:1.25rem;border-top:1px dashed var(--line);font-size:.82rem;color:var(--muted);max-width:70ch}.prose{max-width:70ch}.prose p,.prose li{color:var(--ink-soft)}.prose h2{margin-top:2.2rem}@media(max-width:760px){.grid.cols-2,.grid.cols-3{grid-template-columns:1fr}.nav{gap:.9rem}.nav a:not(.cta){display:none}}