*{box-sizing:border-box}:root{--ink:#252b34;--paper:#f5f1e7;--line:#d8d2c5;--orange:#a84820;--yellow:#f0d477;--muted:#59616b;--blue:#254e67;color-scheme:light}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}a{color:var(--blue);text-underline-offset:4px}button,a,input,select,textarea{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:12px;background:white;padding:12px;z-index:5}.skip:focus{top:12px}header,main{max-width:1180px;padding:0 28px;margin:auto}header{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line)}.brand{font-size:26px;letter-spacing:-1.2px;font-weight:850;color:var(--ink);text-decoration:none;display:flex;gap:10px;align-items:center}.brand svg{width:34px;height:34px}nav{display:flex;gap:25px;flex-wrap:wrap}nav a{font-size:13px;font-weight:700;text-decoration:none}.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:60px;padding:55px 0 35px;align-items:center}.eyebrow{font-size:11px;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;margin:0 0 14px}h1{font:500 clamp(44px,6vw,72px)/1.05 Georgia,serif;letter-spacing:-2px;margin:0 0 22px}.lede{font-size:20px;line-height:1.6;max-width:680px;margin:0}.scope-note{background:var(--yellow);border:1px solid #c5a950;padding:24px;min-width:0;border-radius:2px}.scope-note strong{font-size:18px}.scope-note p{font-size:14px;margin:10px 0 0}.scope-note svg{display:block;width:100%;height:auto;margin-bottom:20px}.workspace{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;align-items:start;margin:15px 0 35px}.workspace>*{min-width:0}.panel{background:#fffdf8;border:1px solid var(--line);border-radius:6px;padding:28px}h2{font-size:22px;letter-spacing:-.6px;line-height:1.3;margin:0 0 14px}.step{font:11px/1.5 ui-monospace,monospace;letter-spacing:1px;color:var(--muted);display:block;margin-bottom:14px}.field{margin:20px 0}label{display:block;font-size:13px;font-weight:750;margin-bottom:7px}input,select,textarea{display:block;max-width:100%;min-width:0;width:100%;border:1px solid #aeb5b9;padding:12px;border-radius:3px;background:white;color:var(--ink)}input{font-size:23px;font-variant-numeric:tabular-nums}select{font-size:15px}input[aria-invalid=true],select[aria-invalid=true]{border:2px solid #a32f29}.small,.hint{font-size:12px;line-height:1.6;color:var(--muted)}.hint{margin:7px 0 0}.limits{padding:14px 16px;background:#f1efe8;border-left:3px solid #a5aaac;font-size:12px;line-height:1.6}.error{font-size:14px;line-height:1.5;color:#9c2825;font-weight:650;min-height:1.5em}.actions{display:flex;gap:9px;flex-wrap:wrap}button{cursor:pointer;min-height:44px;padding:11px 15px;border:1px solid var(--ink);background:var(--ink);color:white;border-radius:3px;font-size:13px;font-weight:750;max-width:100%}button:hover{background:#454e59}.secondary{background:white;color:var(--ink);border-color:#aab2b6}.secondary:hover{background:#edf1f2}button:disabled{cursor:not-allowed;color:#646b71;background:#ebeeec;border-color:#c5cbca}.status{font-size:12px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere}.status:empty{display:none}.rate-card{background:var(--ink);color:white;padding:24px;border-radius:3px;margin:20px 0}.rate-card span{display:block;font-size:12px;color:#e1e5e4}.rate-card strong{display:block;font:600 clamp(28px,4vw,46px)/1.3 ui-monospace,Consolas,monospace;margin:10px 0;overflow-wrap:anywhere}.speed-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.speed-grid div{border-bottom:1px solid #56606a;padding-bottom:12px;min-width:0}.speed-grid dt{font-size:11px;color:#d8dfe1}.speed-grid dd{font:600 19px/1.6 ui-monospace,monospace;margin:4px 0 0;overflow-wrap:anywhere}.pitch-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:23px 0}.pitch-grid>div,.time-grid>div{min-width:0;border-bottom:1px solid var(--line);padding-bottom:16px}dt{font-size:11px;letter-spacing:.3px;color:var(--muted);font-weight:700}dd{font-size:24px;font-weight:750;margin:5px 0 0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.time-result{background:#f6edcf;border:1px solid #ddca8e;padding:18px 20px}.time-result strong{font:600 28px/1.5 ui-monospace,monospace;overflow-wrap:anywhere;display:block}.time-result .small{margin:4px 0 0;overflow-wrap:anywhere}.time-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}.time-grid dd{font-size:20px}.model-note{border-left:3px solid var(--orange);padding:12px 16px;background:#f4e9df;font-size:13px;line-height:1.6}.model-note p{margin:8px 0}.model-note p:first-child{margin-top:0}.exports{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}.exports button{flex:1 1 auto}#fallback{margin-top:14px}textarea{font:12px/1.6 ui-monospace,monospace;resize:vertical}.below{padding:30px 0 55px;max-width:850px}.below h2{font:500 34px/1.25 Georgia,serif}.prose{max-width:800px;padding:50px 0 70px;margin:auto;overflow-wrap:anywhere}.prose h1{font-size:clamp(40px,5vw,60px)}.prose h2{margin:38px 0 14px;font-size:25px}.prose h3{font-size:19px}.prose .lede{color:var(--muted)}.prose code{font:14px/1.6 ui-monospace,monospace;overflow-wrap:anywhere}.example{background:#fffdf8;border:1px solid var(--line);border-left:4px solid var(--orange);padding:20px 23px;margin:25px 0}.example h3{margin-top:0}.example p:last-child{margin-bottom:0}.formula{padding:16px 20px;background:#edece5;font:14px/1.8 ui-monospace,monospace;overflow-wrap:anywhere}.contact{font-size:clamp(16px,2.6vw,23px);font-weight:750;overflow-wrap:anywhere}footer{border-top:1px solid var(--line);padding:28px max(28px,calc((100vw - 1124px)/2));background:#ebe8dd;font-size:13px}footer p{margin:0 0 18px}footer nav{gap:22px}@media(max-width:800px){.hero{grid-template-columns:minmax(0,1fr);gap:25px;padding-top:35px}.scope-note{max-width:650px}.scope-note svg{max-width:280px}.workspace{grid-template-columns:minmax(0,1fr)}.hero h1{font-size:58px}}@media(max-width:440px){header,main{padding-inline:17px}header{padding-block:19px;flex-wrap:wrap;gap:16px}nav{gap:18px}.hero h1{font-size:48px}.lede{font-size:18px}.panel{padding:22px 17px}.rate-card{padding:20px 17px}.speed-grid{gap:15px}.speed-grid dd{font-size:16px}.pitch-grid dd{font-size:21px}.time-result strong{font-size:25px}.time-grid{grid-template-columns:minmax(0,1fr);gap:12px}.time-grid dd{font-size:20px}.actions button{flex:1 1 auto}.prose{padding-top:35px}.prose h1{font-size:43px}footer{padding:25px 17px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}