:root{--ink:#183c3b;--muted:#506966;--paper:#f6f5ef;--line:#d5ded7;--accent:#ebf275;--white:#fff;--teal:#1c605e}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}a{color:var(--teal);text-underline-offset:4px}button,input,textarea{font:inherit}button{cursor:pointer;border:1px solid var(--teal);border-radius:7px;background:var(--teal);color:white;padding:11px 17px;font-weight:650}button:hover{background:#143f3e}.secondary{background:white;color:var(--teal)}.secondary:hover{background:#eef3ed}input,textarea{width:100%;border:1px solid #829b91;border-radius:6px;padding:10px 12px;background:white;color:var(--ink)}textarea{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.75;resize:vertical}input:focus,textarea:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #a0b01f;outline-offset:3px}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:white;z-index:2;padding:12px}header{border-bottom:1px solid var(--line);background:white}.nav{max-width:1240px;margin:auto;padding:20px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:22px;font-weight:800;text-decoration:none;letter-spacing:-.6px;display:flex;gap:10px;align-items:center}.mark{width:31px;height:31px;display:inline-flex;justify-content:center;align-items:center;background:var(--accent);border-radius:6px;color:var(--ink)}.nav-links{display:flex;gap:24px;font-size:14px}.nav-links a{text-decoration:none}main{max-width:1240px;padding:34px 28px 60px;margin:auto}h1{font-size:clamp(32px,4.5vw,52px);letter-spacing:-1.8px;line-height:1.12;margin:12px 0 18px;max-width:850px}h2{line-height:1.25;letter-spacing:-.5px}h3{line-height:1.3}.kicker{font-size:11px;font-weight:800;letter-spacing:1.8px}.hero{display:grid;grid-template-columns:1fr 270px;gap:40px;align-items:center;margin-bottom:28px}.intro{max-width:690px;color:var(--muted);font-size:18px}.hero-note{border-left:3px solid var(--ink);padding-left:20px;font-size:14px}.hero-note strong{display:block;font-size:26px;line-height:1.15}.hero-note p{margin-bottom:0}.promises{display:flex;flex-wrap:wrap;gap:8px;font-size:12px}.promises span{border:1px solid var(--line);padding:4px 10px;border-radius:20px;background:white}.workspace{display:grid;grid-template-columns:340px minmax(0,1fr);gap:22px;align-items:start}.controls{background:white;border:1px solid var(--line);border-radius:12px;padding:22px}.controls h2{font-size:20px;margin:0 0 18px}.field{display:block;font-weight:650;font-size:13px;margin-bottom:15px}.field input,.field textarea{margin-top:5px}.field small{display:block;color:var(--muted);font-size:12px;font-weight:400;line-height:1.5;margin-top:5px}.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.controls button{width:100%;margin-bottom:10px}.controls details{margin-bottom:16px}.controls details label:first-of-type{margin-top:12px}summary{cursor:pointer;font-weight:650}.status{font-size:13px;margin:4px 0;color:#a13a19;font-weight:650;min-height:22px}.result-area{min-width:0}.results{padding:25px;background:white;border:1px solid var(--line);border-radius:12px}.result-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.pill{font-size:11px;background:var(--accent);padding:4px 10px;border-radius:30px;font-weight:650}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:22px 0 28px;padding-bottom:22px;border-bottom:1px solid var(--line)}.metrics strong{display:block;font-size:27px;letter-spacing:-1px;line-height:1.3}.metrics span{display:block;font-size:11px;color:var(--muted);line-height:1.4;margin-top:5px}.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-bottom:17px}.bar{margin:0 0 20px;padding-bottom:18px;border-bottom:1px solid var(--line);break-inside:avoid}.bar-head{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px}.bar-head h3{font-size:15px;margin:0 0 9px}.bar-head small{font-weight:400}.bar svg{display:block;width:100%;height:auto;border-radius:3px}.cut-list{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.cut-list span{background:#eff4f0;border-radius:4px;padding:3px 8px;font-size:11px}.cut-list b{margin-left:6px}.fine{font-size:12px;color:var(--muted);margin:7px 0}.accounting{background:var(--paper);padding:14px;border-radius:7px;font-size:13px}.accounting p{margin:5px 0 0}.actions{display:flex;gap:10px;margin-top:18px}.comparison{background:#e9efdf;border:1px solid #cbd9bc;border-radius:12px;padding:20px 25px;margin-top:18px;font-size:13px}.comparison h3{margin:0 0 12px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:9px;text-align:left;border-bottom:1px solid #cbd9bc}.section{margin-top:55px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:white;border:1px solid var(--line);border-radius:10px;padding:24px;text-decoration:none}.card h2{font-size:21px}.card p{color:var(--muted);font-size:14px}.card span{font-size:12px;font-weight:700}.article{max-width:780px}.article h2{margin-top:35px}.article p,.article li{color:var(--muted)}.article .formula{font-family:ui-monospace,monospace;background:#e9efdf;padding:18px;border-radius:7px;color:var(--ink)}.article details{border-bottom:1px solid var(--line);padding:16px 0}.breadcrumb{font-size:12px;color:var(--muted)}.callout{background:#e9efdf;padding:20px;border-radius:9px;margin:24px 0}.cta{display:inline-block;border-radius:7px;background:var(--teal);color:white;text-decoration:none;padding:12px 20px}footer{border-top:1px solid var(--line);background:white}.footer-inner{max-width:1240px;margin:auto;padding:30px 28px;display:flex;gap:30px;justify-content:space-between;font-size:12px;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:18px;align-items:center}.print-title{display:none}noscript p{background:#fbe6d7;padding:16px;border-radius:7px}@media(max-width:950px){.workspace{grid-template-columns:290px minmax(0,1fr)}.metrics{grid-template-columns:1fr 1fr}.hero{grid-template-columns:1fr}.hero-note{display:none}.results{padding:20px}.cards{grid-template-columns:1fr}.nav-links{gap:14px}}@media(max-width:680px){main{padding:25px 16px 40px}.nav{padding:16px;flex-wrap:wrap;gap:10px}.nav-links{font-size:12px}.workspace{grid-template-columns:1fr}.controls{padding:20px}.result-head{flex-wrap:wrap}.actions{flex-wrap:wrap}.bar-head{align-items:start}.footer-inner{display:block}.footer-links{margin-top:20px}.hero{gap:0}.metrics strong{font-size:26px}}@page{size:A4;margin:14mm}@media print{body{background:white;color:black;font-size:11px}.no-print,header,footer,.hero,.controls,.comparison,.section,.skip,.breadcrumb{display:none!important}main{padding:0;max-width:none}.workspace{display:block}.results{border:0;padding:0}.print-title{display:block;border-bottom:1px solid #999;margin-bottom:15px}.print-title h1{font-size:24px;letter-spacing:0}.metrics{grid-template-columns:repeat(4,1fr)}.bar svg{print-color-adjust:exact;-webkit-print-color-adjust:exact}.bar{break-inside:avoid}.accounting{background:white;border:1px solid #bbb}.result-head .pill{background:white}.bar-head h3{margin-top:12px}.metrics strong{font-size:23px}}