:root{color-scheme:light;--ink: #17262d;--ink-soft: #52636b;--paper: #f8f7f3;--paper-bright: #fffefa;--canvas: #e7eef0;--canvas-deep: #dce8eb;--primary: #416f7c;--primary-strong: #315965;--primary-soft: #d5e5e9;--action: #244b59;--action-hover: #183a46;--amber: #c58a55;--amber-ink: #85552f;--rule: #17262d29;--muted: #edf1f1;--danger: #9f4b3d;--text: var(--ink);--text-muted: var(--ink-soft);--radius: 7px;--radius-md: 12px;--radius-lg: 22px;--gutter: clamp(24px, 6vw, 92px);--header-height: 78px;--site-width: 1440px;--display: "Avenir Next", Avenir, "Segoe UI Variable Display", "SF Pro Display", "Helvetica Neue", sans-serif;--sans: "Avenir Next", Avenir, "Segoe UI Variable Text", "SF Pro Text", "Helvetica Neue", sans-serif;--mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--shadow: 0 28px 80px #243b4424}*{box-sizing:border-box}html,body{margin:0;background:var(--paper);color:var(--text);font:400 18px/1.62 var(--sans)}a{color:inherit}button,input{font:inherit}img,canvas{max-width:100%}.skip{position:absolute;left:-999px;top:0}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:20}.marquee{background:var(--primary);color:#fff;min-height:46px;font:700 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;display:flex;align-items:center;overflow:hidden}.marquee-track{display:flex;width:max-content;animation:marquee 36s linear infinite}.marquee-group{display:flex;gap:24px;min-width:100vw;padding-right:24px;white-space:nowrap}.marquee span{opacity:.42}@keyframes marquee{to{transform:translate(-50%)}}.header{height:var(--header-height);display:flex;align-items:center;justify-content:space-between;padding:0 var(--gutter);border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;font:650 18px var(--display);text-decoration:none;letter-spacing:-.03em}.brand img{width:28px;height:28px}.nav{display:flex;gap:22px;align-items:center;font-size:15px}.nav a{text-decoration:none;color:var(--text-muted)}.nav a:hover{color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--action);color:#fff;border:0;border-radius:999px;padding:10px 18px;text-decoration:none;cursor:pointer;box-shadow:0 10px 28px color-mix(in srgb,var(--action) 26%,transparent)}.btn:hover{background:var(--action-hover)}.btn.ghost{background:transparent;color:var(--action);box-shadow:none;border:1px solid var(--rule)}.btn:disabled{opacity:.5;cursor:wait}.hero,.section{width:min(var(--site-width),100%);margin:0 auto;padding:88px var(--gutter)}.kicker{color:var(--text-muted);text-transform:uppercase;letter-spacing:.11em;font:750 13px/1.3 var(--sans);display:flex;align-items:center;gap:10px;margin:0}.kicker:before{content:"";width:24px;height:1px;background:var(--primary)}.hero h1{font:650 clamp(48px,7vw,92px)/.94 var(--display);letter-spacing:-.04em;margin:18px 0 22px;max-width:16ch}.hero p.lead{max-width:640px;color:var(--text-muted);font-size:clamp(18px,1.5vw,22px)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-note{font-size:14px;color:var(--text-muted);margin-top:18px}.grid-3,.grid-4{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--paper-bright);border:1px solid var(--rule);border-radius:var(--radius-lg);padding:22px}.card h3{margin:0 0 8px;font:650 20px var(--display);letter-spacing:-.03em}.card p{margin:0;color:var(--text-muted);font-size:16px}.section h2{font:650 clamp(32px,4vw,52px)/1 var(--display);letter-spacing:-.04em;margin:12px 0 28px}.demo-wrap{background:var(--canvas);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}.playground{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;min-height:72vh}.pane{background:var(--paper-bright);border:1px solid var(--rule);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;min-height:0}.pane-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--rule);background:var(--muted);flex-wrap:wrap}.pane-bar strong{font-size:14px;letter-spacing:.04em;text-transform:uppercase}.drop{flex:1;margin:16px;border:1.5px dashed color-mix(in srgb,var(--primary) 45%,transparent);border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--text-muted);padding:24px;background:var(--paper)}.drop.over{background:var(--primary-soft)}.viewer{flex:1;overflow:auto;background:#c5d3d7;display:flex;justify-content:center;padding:18px}.viewer canvas{background:#fff;box-shadow:var(--shadow);height:auto}.chip.active{background:var(--action);color:#fff;border-color:var(--action)}.samples{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--rule);background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer}.chip:hover{border-color:var(--primary)}.tabs{display:flex;gap:4px}.tabs button{background:transparent;border:0;padding:6px 10px;border-radius:999px;cursor:pointer;color:var(--text-muted);font-size:13px}.tabs button.active{background:var(--action);color:#fff}.results{flex:1;overflow:auto;padding:16px 18px}.status-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.pill{font:700 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary-strong)}.pill.warn{background:#f3e1cf;color:var(--amber-ink)}.pill.bad{background:#f3d7d2;color:var(--danger)}.field{display:grid;grid-template-columns:140px 1fr;gap:8px;padding:8px 0;border-bottom:1px solid var(--rule);font-size:15px}.field .key{color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}pre{background:var(--ink);color:#e8f0f2;padding:16px;border-radius:var(--radius-md);overflow:auto;font:13px/1.5 var(--mono);white-space:pre-wrap}.plain{white-space:pre-wrap;font-size:15px}.hidden{display:none!important}.err{color:var(--danger);font-size:14px;padding:0 16px 12px}.honesty{background:#f3e1cf;color:var(--amber-ink);padding:14px 18px;border-radius:var(--radius-md);font-size:15px}.footer{padding:40px var(--gutter) 64px;color:var(--text-muted);font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}@media(max-width:980px){.grid-3,.grid-4,.playground{grid-template-columns:1fr}.nav a:not(.btn){display:none}.hero{padding-top:48px}}@media(prefers-reduced-motion:reduce){.marquee-track{animation:none}}