.calculator-hero{padding:72px 0 56px}
.calculator-hero h1{max-width:980px;font-size:clamp(48px,6vw,82px)}
.calculator-hero p{max-width:760px}
.calculator-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.85fr);gap:24px;align-items:stretch}
.calculator-panel,.calculator-result{border:1px solid var(--line);border-radius:28px;padding:clamp(24px,3.5vw,44px)}
.calculator-panel{background:var(--white)}
.calculator-panel h2{font-size:clamp(32px,3.2vw,46px);line-height:1.05;letter-spacing:-.04em;margin:12px 0 14px}
.calculator-panel>p{max-width:640px;color:var(--muted);margin-bottom:28px}
.calculator-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.calculator-fields label{display:flex;flex-direction:column;gap:7px;font-size:15px;font-weight:800}
.calculator-fields label span{font-size:12px;font-weight:500;color:var(--muted);min-height:18px}
.calculator-fields input{width:100%;min-width:0;padding:15px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);font:inherit;font-size:21px;font-weight:800}
.calculator-fields input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.calculator-error{color:#a62112;font-weight:700;margin:16px 0 0}
.calculator-result{background:var(--ink);color:#fff;display:flex;flex-direction:column}
.calculator-result .eyebrow{color:#f29163}
.calculator-metrics{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0 20px}
.calculator-metrics>div{display:flex;flex-direction:column;gap:8px;border:1px solid rgba(255,255,255,.23);border-radius:18px;padding:18px}
.calculator-metrics span{font-size:13px;font-weight:800}
.calculator-metrics strong{font-size:clamp(42px,5vw,68px);line-height:1;letter-spacing:-.05em}
.calculator-metrics small{font-size:11px;color:#c9d8e8;line-height:1.4}
.calculator-equation{font-size:17px;font-weight:800;line-height:1.7;margin:0 0 18px}
.calculator-caveat{color:#d6e0ec;font-size:13px;line-height:1.65;margin:0 0 24px}
.calculator-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
.calculator-actions .btn-light{color:var(--ink)}
.calculator-next-links{display:flex;flex-wrap:wrap;gap:12px}
.calculator-next-links a{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:12px 16px;font-weight:800;background:var(--white)}
.calculator-next-links a:hover,.calculator-next-links a:focus-visible{color:var(--accent);border-color:var(--accent)}
.tool-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:980px){.calculator-layout{grid-template-columns:1fr}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.calculator-hero{padding:48px 0}.calculator-fields,.calculator-metrics,.tool-grid{grid-template-columns:1fr}.calculator-fields label span{min-height:0}.calculator-actions .btn{width:100%}}