@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Franklin:wght@400;600;700;800&display=swap');
:root{--ink:#142f40;--muted:#536573;--line:#d9e2e8;--paper:#fff;--wash:#f3f6f8;--lime:#c4f477;--blue:#1d536d;--red:#a63a29}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:16px;line-height:1.65}header,main,footer{max-width:1240px;margin:auto;padding-inline:40px}header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-underline-offset:4px}.brand{text-decoration:none;font-family:'Libre Franklin',sans-serif;font-size:27px;font-weight:800;letter-spacing:-1px;line-height:1.1}.brand span{display:block;margin:9px 0 0 30px;font-size:10px;font-weight:600;letter-spacing:1.5px}nav{display:flex;gap:28px;font-size:14px}nav a{text-decoration:none}nav a:hover{text-decoration:underline}section{padding-block:64px}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;padding-block:80px}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:700;margin:0 0 18px}h1,h2,h3{font-family:'Libre Franklin',sans-serif;line-height:1.13;letter-spacing:-1.8px}h1{font-size:clamp(40px,4.5vw,62px);font-weight:700;margin:0 0 25px}h2{font-size:34px;letter-spacing:-1px;margin:0 0 18px}h3{font-size:23px;letter-spacing:-.5px}.lede{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:28px}.button{display:inline-flex;gap:30px;align-items:center;background:var(--ink);color:white;text-decoration:none;padding:15px 22px;font-size:15px;font-weight:600;border:0;border-radius:4px;cursor:pointer}.button span{font-size:20px}.micro{font-size:13px;color:var(--muted)}.specimen{background:var(--ink);color:#fff;padding:28px;border-radius:8px;box-shadow:16px 16px 0 var(--wash);transform:rotate(-1deg)}.specimen-head{display:flex;justify-content:space-between;font-size:11px;letter-spacing:1.2px;border-bottom:1px solid #4a6170;padding-bottom:25px;margin-bottom:10px}.specimen-head span{color:var(--lime)}.sample-row{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:12px;border-bottom:1px solid #3a5260;padding:15px 0;font-variant-numeric:tabular-nums;font-size:15px}.sample-row:first-of-type{font-size:12px}.sample-row strong{color:var(--lime);font-weight:500}.sample-row .error{color:#ffbda7;text-decoration:underline dotted;text-underline-offset:6px}.specimen-note{font-size:13px;color:#c2d1da;margin:24px 0 0}.tool-panel{background:var(--wash);padding:40px;display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;border:1px solid var(--line);border-radius:8px}.tool-panel form{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{display:block;font-size:14px;font-weight:500}input,select{font:inherit;display:block;width:100%;background:#fff;border:1px solid #b8c7d0;border-radius:4px;padding:12px;margin-top:7px;color:var(--ink)}input:focus-visible,select:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #3694c1;outline-offset:3px}.result{grid-column:1/-1;background:var(--ink);color:white;padding:20px 24px;display:grid;grid-template-columns:1fr auto;align-items:center;border-radius:4px}.result output{font-size:34px;color:var(--lime);font-weight:700;font-variant-numeric:tabular-nums}.result small{grid-column:1/-1;font-size:12px;color:#b9cbd5}footer{border-top:1px solid var(--line);padding-block:30px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}@media(max-width:760px){header,main,footer{padding-inline:20px}header{height:auto;min-height:90px;gap:20px;flex-wrap:wrap;padding-block:20px}.brand{font-size:24px}nav{gap:20px}.hero{grid-template-columns:1fr;padding-block:42px;gap:32px}.specimen{transform:none;box-shadow:none}.tool-panel{grid-template-columns:1fr;padding:24px;gap:25px}.tool-panel form{gap:15px}.result{grid-template-columns:1fr}.result output{font-size:32px}h2{font-size:28px}footer{gap:20px;flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}