.calc-head{padding:32px 0 24px}.calc-head h1{font-size:clamp(2.5rem,6vw,4rem)}.calc-head h1 span{color:var(--red)}.calc-head p:last-child{color:var(--muted);max-width:680px;margin-bottom:0}.calc-inputs{padding:28px;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--red);border-radius:4px}.preset{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 22px}.preset button{background:transparent;border:1px solid #555;color:var(--text);border-radius:4px;padding:10px 18px;font:600 .95rem Inter,Arial,sans-serif;cursor:pointer}.preset button[aria-pressed=true]{background:var(--red);border-color:var(--red)}.inputs-grid{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:20px}.inputs-grid label{display:block;font-weight:600}.inputs-grid input{display:block;width:100%;margin:10px 0 6px;background:#090909;color:white;border:1px solid #666;border-radius:4px;padding:14px;font:600 1.3rem Inter,Arial,sans-serif;font-variant-numeric:tabular-nums;min-width:0}.inputs-grid small{font-weight:400;color:var(--muted);font-size:.875rem}button:focus-visible,input:focus-visible{outline:3px solid white;outline-offset:3px}#error{color:#ffaaa7;margin:16px 0 0}#error:empty{display:none}.summary-result{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;padding:28px 0;margin:12px 0 30px;border-bottom:1px solid var(--line)}.summary-result h2{font:600 1rem Inter,Arial,sans-serif;color:var(--muted)}.summary-result strong{display:block;font-family:'Barlow Condensed',Arial,sans-serif;font-size:3rem;line-height:1.15;margin-top:10px;font-variant-numeric:tabular-nums}.summary-result #score{color:var(--red);font-size:4rem}.summary-result p{margin:8px 0 0;color:var(--muted);font-size:.875rem}.calc-section{margin-bottom:40px}.calc-section>h2{font-size:2.3rem}.calc-section>p{color:var(--muted);margin:12px 0 22px}.zones{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.zone{background:var(--surface);border:1px solid var(--line);padding:22px;border-radius:4px}.zone-index{color:var(--red);font-weight:600;font-size:.875rem}.zone h3{font-size:1.65rem;margin-top:12px}.zone strong{font-size:1.65rem;display:block;margin-top:14px;font-variant-numeric:tabular-nums}.zone small{font-size:.875rem;color:var(--muted);margin-left:5px}.zone p{font-size:.95rem;color:var(--muted);margin-bottom:0}.race-table{width:100%;border-collapse:collapse;text-align:left;font-variant-numeric:tabular-nums}.race-table th,.race-table td{padding:16px;border-bottom:1px solid var(--line)}.race-table thead{background:var(--surface);font-size:.875rem}.race-table tbody th{font-weight:600}.race-table small{display:block;color:var(--muted);font-size:.875rem;font-weight:400}.method{border-top:1px solid var(--line);padding-top:24px}.method p{color:var(--muted)}.method a{text-decoration:underline;text-underline-offset:4px}.calc-cta{margin:32px 0;background:var(--surface);border-left:3px solid var(--red);padding:24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.calc-cta h2{font-size:1.9rem}.calc-cta p{margin:10px 0 0;color:var(--muted)}.calc-cta .button{flex-shrink:0}[hidden]{display:none!important}@media(max-width:760px){.calc-head{padding-top:24px}.calc-inputs{padding:20px}.inputs-grid{grid-template-columns:1fr 1fr;gap:16px}.inputs-grid label:first-child{grid-column:1/-1}.summary-result{grid-template-columns:1fr 1fr;gap:20px}.summary-result>div:first-child{grid-column:1/-1}.summary-result strong{font-size:2.3rem}.zones{grid-template-columns:1fr 1fr}.zone{padding:16px}.zone strong{font-size:1.2rem}.calc-cta{display:block}.calc-cta .button{margin-top:20px}.race-table th,.race-table td{padding:12px 8px}.race-table{font-size:.9rem}.top-nav{flex-wrap:wrap}}@media(max-width:400px){.inputs-grid,.zones{grid-template-columns:1fr}.zone strong{font-size:1.5rem}}@media(min-width:761px){.calc-head .eyebrow{margin-bottom:12px}}