:root{--yellow:#FFE600;--blue:#3483FA;--blue-dark:#2968C8;--green:#00A650;--red:#F23D4F;--bg:#EBEBEB;--surface:#FFF;--text:#333;--muted:#666;--line:#E6E6E6;--ink:#111;--soft-blue:#E5F0FF;--font:Proxima Nova,-apple-system,Roboto,Arial,sans-serif;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.4 var(--font)}a{color:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--blue);color:#fff;padding:.5rem;z-index:5}.top{height:64px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;position:sticky;top:0;z-index:3}.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-weight:600}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:400}.mark{display:grid;place-items:center;background:var(--yellow);color:#111;border-radius:50%;width:34px;height:34px;font-size:11px;font-weight:600}.top nav,.top nav a{font-size:13px;text-decoration:none}.top nav{display:flex;gap:1.2rem;color:var(--muted)}.top button{border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:.45rem .7rem;cursor:pointer;color:var(--text)}.hero{background:var(--yellow);padding:4.5rem 2rem 4rem;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}.hero>div{max-width:1100px;width:100%;margin:auto}.eyebrow{color:var(--blue-dark);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(2.2rem,5vw,4.4rem);line-height:1.02;letter-spacing:-.04em;max-width:12ch;margin:.5rem 0 1rem;color:#111}.lead{font-size:1.1rem;max-width:55ch}.actions{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.8rem 0 1rem}.btn{padding:10px 16px;border-radius:6px;text-decoration:none;font-size:14px;font-weight:600}.primary{background:var(--blue);color:#fff}.secondary{background:#fff;color:var(--blue-dark)}.source{font-size:12px}.source a{color:var(--blue-dark)}.proof{background:#111;color:#fff;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.18);overflow:hidden}.proof-head{height:36px;background:#222;display:flex;align-items:center;gap:6px;padding:0 .8rem;color:#aaa;font:12px monospace}.proof-head i{width:8px;height:8px;border-radius:50%;background:#555}.proof-head span{margin-left:.4rem}.proof pre{margin:0;padding:1.3rem;font:14px/1.7 monospace;color:#ddd}.proof b{color:var(--yellow)}.proof strong{color:#59c878}.shell{display:grid;grid-template-columns:220px 1fr;max-width:1440px;margin:auto}.rail{background:var(--surface);border-right:1px solid var(--line);padding:2rem 1.2rem;position:sticky;top:64px;height:calc(100vh - 64px);align-self:start}.rail b{font:600 11px monospace;color:var(--muted);letter-spacing:.12em}.rail a{display:block;padding:.7rem 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:14px}.rail a:hover{color:var(--blue-dark)}.section{padding:4rem 2rem;border-bottom:1px solid var(--line)}.section>*{max-width:1100px;margin-left:auto;margin-right:auto}.section h2{font-size:2rem;line-height:1.1;margin:.4rem auto 1rem;color:#111}.intro{color:var(--muted);max-width:65ch}.cards,.swatches,.component-grid,.breaks{display:grid;gap:1rem;margin-top:2rem}.cards{grid-template-columns:repeat(3,1fr)}.cards article,.component{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:1.3rem}.icon{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;font-size:12px}.icon.yellow{background:var(--yellow)}.icon.blue{background:var(--blue);color:#fff}.icon.green{background:var(--green);color:#fff}.cards h3{margin:.8rem 0 .3rem;font-size:18px}.cards p,.component small{color:var(--muted);font-size:14px}.swatches{grid-template-columns:repeat(4,1fr)}.sw{height:110px;background:var(--c);border:1px solid var(--line);border-radius:4px;padding:1rem;display:flex;flex-direction:column;justify-content:space-between}.sw b,.sw span{font:600 12px monospace}.sw.dark{color:#fff}.typebox{background:var(--surface);border:1px solid var(--line);padding:1.5rem;margin-top:2rem}.typebox small,.typebox code{color:var(--muted);font-size:12px}.display{font-size:clamp(2rem,5vw,3.5rem);line-height:1.05;margin:1rem 0;color:#111}.typebox p{max-width:60ch}.component-grid{grid-template-columns:repeat(2,1fr)}.component>b{font:600 12px monospace;color:var(--blue-dark)}.search{height:40px;background:#fff;border:1.5px solid var(--blue);border-radius:2px;padding:10px 15px;margin:1rem 0;color:#666;display:flex;justify-content:space-between}.product{background:#fff;border:1px solid var(--line);box-shadow:0 1px 1px rgba(0,0,0,.1);border-radius:4px;margin:1rem 0;padding:1rem;display:grid;gap:.35rem}.product-img{height:60px;background:#f5f5f5;display:grid;place-items:center;color:#999;font:11px monospace}.product strong{font-size:24px;font-weight:400;color:#111}.product span{color:var(--green);font-size:14px}.tag-demo{display:flex;gap:.6rem;margin:1rem 0}.tag-demo span{background:var(--green);color:#fff;border-radius:8px;padding:2px 6px;font-size:12px;font-weight:600}.tag-demo .tag-blue{background:var(--blue)}.benefit{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:1rem;margin:1rem 0}.benefit p{font-size:14px;color:var(--muted)}.breaks{grid-template-columns:repeat(4,1fr)}.breaks div{background:var(--surface);border:1px solid var(--line);padding:1.1rem;border-radius:4px}.breaks strong{display:block;font:600 1.5rem monospace;color:var(--blue-dark)}.breaks span{display:block;color:var(--muted);font-size:13px;margin-top:.5rem}.validation{background:#f5f5f5}.checks{display:grid;gap:.7rem;margin-top:2rem}.check{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);padding:1rem 1.2rem;border-radius:3px;display:flex;flex-direction:column;gap:.2rem}.check.warn{border-left-color:#a47b2e}.check b{font:600 13px monospace}.check span{font-size:14px;color:var(--muted)}.status{display:flex;gap:1rem;align-items:center;background:#111;color:#fff;padding:1rem;margin-top:1.5rem;border-radius:4px}.status strong{color:#59c878;font:600 13px monospace}.status span{font-size:14px;color:#ccc}footer{display:flex;justify-content:space-between;gap:1rem;padding:2rem;color:var(--muted);font-size:12px}footer a{color:var(--blue-dark)}
@media(max-width:900px){.hero{grid-template-columns:1fr}.cards,.breaks{grid-template-columns:repeat(2,1fr)}.swatches{grid-template-columns:repeat(4,1fr)}}@media(max-width:760px){.shell{display:block}.rail{display:none}.top nav{display:none}.top{padding:0 1rem}.section{padding:3rem 1.2rem}.component-grid,.cards{grid-template-columns:1fr}.swatches{grid-template-columns:repeat(2,1fr)}footer{flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}[data-theme=dark]{--bg:#202020;--surface:#2b2b2b;--text:#eee;--muted:#c0c0c0;--line:#484848;color-scheme:dark}[data-theme=dark] .validation{background:#262626}[data-theme=dark] .product,[data-theme=dark] .search,[data-theme=dark] .typebox,[data-theme=dark] .benefit{color:#222}