.calculator-intro{border-top:0}.calculator-heading{max-width:920px}.calculator-heading h1{max-width:900px;margin:20px 0 0;font-size:clamp(42px,6.4vw,82px);line-height:.98}.calculator{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);margin-top:clamp(48px,7vw,84px);border:1px solid var(--line);background:var(--bone)}.calculator-controls,.calculator-intro-panel,.calculator-result{padding:clamp(24px,4.5vw,54px)}.calculator-result{border-left:1px solid var(--line)}.calculator-panel-heading{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:baseline;padding-bottom:22px;border-bottom:1px solid var(--line)}.calculator-panel-heading span{color:var(--coral-text);font:700 11px/1 var(--font-mono);letter-spacing:.08em}.calculator-panel-heading h2{margin:0;font:850 clamp(24px,3vw,34px)/1.05 var(--font-display);letter-spacing:-.03em}.calculator-number{display:grid;grid-template-columns:1fr 120px;gap:8px 24px;align-items:center;margin-top:32px}.calculator-number>span,.calculator-number>label,.calculator-checklist legend{font:800 12px/1.25 var(--font-display);letter-spacing:.1em;text-transform:uppercase}.calculator-number input{width:100%;min-height:52px;padding:10px 14px;border:1px solid var(--line);border-radius:0;background:transparent;color:inherit;font:700 20px/1 var(--font-mono)}.calculator-number small{grid-column:1 / -1;color:var(--ink-faint-text);font-size:13px}.calculator-checklist{margin:34px 0 0;padding:0;border:0}.calculator-checklist legend{margin-bottom:16px}.calculator-checklist label{display:grid;grid-template-columns:22px 1fr;gap:14px;padding:18px 0;border-top:1px solid var(--line);cursor:pointer}.calculator-checklist label:last-child{border-bottom:1px solid var(--line)}.calculator-checklist input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--coral)}.calculator-checklist strong{display:block;font-family:var(--font-display);font-size:16px}.calculator-checklist small{display:block;margin-top:4px;color:var(--ink-soft);font-size:14px;line-height:1.45}.result-block{padding:30px 0;border-bottom:1px solid var(--line)}.result-label{margin:0 0 12px;color:var(--ink-faint-text);font:700 10.5px/1.2 var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.result-value,.result-time{margin:0;font-family:var(--font-display);font-weight:850;letter-spacing:-.04em}.result-value{color:var(--coral-text);font-size:clamp(34px,4.7vw,58px);line-height:1}.result-time{font-size:clamp(26px,3.4vw,40px);line-height:1.05}.calculator-disclaimer,.calculator-stone-note,.calculator-rot{color:var(--ink-soft);font-size:15px;line-height:1.6}.calculator-disclaimer{margin:28px 0 0}.calculator-stone-note{margin:20px 0 0;padding:16px;border:1px solid var(--coral)}.calculator-rot{margin:20px 0 0}.calculator-result a,.calculator-sources a{text-decoration-thickness:1px;text-underline-offset:3px}.calculator-method-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,7vw,90px);align-items:end}.calculator-method-grid h2{margin:18px 0 0}.calculator-method-grid>p{margin:0;color:var(--ink-soft);font-size:19px;line-height:1.65}.calculator-table-wrap{margin-top:clamp(42px,6vw,68px);overflow-x:auto}.calculator-table-wrap table{width:100%;min-width:680px;border-collapse:collapse}.calculator-table-wrap caption{padding:0 0 14px;color:var(--ink-faint-text);font:600 11px/1.4 var(--font-mono);letter-spacing:.06em;text-align:left;text-transform:uppercase}.calculator-table-wrap th,.calculator-table-wrap td{padding:16px 18px;border:1px solid var(--line);text-align:left;vertical-align:top}.calculator-table-wrap thead th{background:var(--bone);font:800 11px/1.2 var(--font-display);letter-spacing:.1em;text-transform:uppercase}.calculator-table-wrap tbody th{width:34%;font-family:var(--font-display)}.calculator-table-wrap td{color:var(--ink-soft)}.calculator-sources{max-width:900px;margin-top:clamp(42px,6vw,68px);padding-top:30px;border-top:1px solid var(--line)}.calculator-sources h2{margin:0;font-size:28px}.calculator-sources ol{margin:20px 0 0;padding-left:22px;color:var(--ink-soft)}.calculator-sources li{padding-left:8px;line-height:1.65}.calculator-sources li+li{margin-top:16px}.calculator-sources a{overflow-wrap:anywhere}.calculator-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:44px}@media(max-width:860px){.calculator{grid-template-columns:1fr}.calculator-result{border-top:1px solid var(--line);border-left:0}.calculator-method-grid{grid-template-columns:1fr;align-items:start}}@media(max-width:620px){.calculator-heading h1{font-size:clamp(38px,12vw,58px)}.calculator-number{grid-template-columns:1fr 96px}.calculator-actions .button{width:100%}}