.calculation-header{padding-block:58px 44px;border-bottom:1px solid var(--line)}.calculation-back{display:inline-block;margin-bottom:34px;color:var(--muted);font-size:.82rem;text-decoration:none}.calculation-back:hover{color:var(--blue)}.calculation-header h1{max-width:850px;margin:0;font-family:Georgia,serif;font-size:clamp(2.45rem,5vw,4.15rem);line-height:1.04;letter-spacing:-.035em}.calculation-header>p:last-child{max-width:760px;margin:22px 0 0;color:var(--muted);font-size:1.08rem}.calculation-page{display:grid;grid-template-columns:minmax(0,760px) minmax(220px,300px);gap:clamp(45px,7vw,96px);padding-block:52px 88px}.calculator-panel{min-width:0}.calculator-form{display:grid;gap:24px}.calculator-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.calculator-field{display:grid;gap:7px;min-width:0}.calculator-field.wide{grid-column:1/-1}.calculator-field>span:first-child,.calculator-field label{font-size:.8rem;font-weight:700;color:#314453}.input-with-unit{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:stretch}.input-with-unit input{border-radius:5px 0 0 5px!important}.input-unit{min-width:54px;display:grid;place-items:center;padding:0 12px;border:1px solid #cbd7df;border-left:0;border-radius:0 5px 5px 0;background:var(--soft);color:var(--muted);font-size:.8rem}.calculator-form input,.calculator-form select{width:100%;min-width:0;height:46px;padding:0 12px;border:1px solid #cbd7df;border-radius:5px;background:#fff;color:var(--ink);font:inherit;font-size:.92rem}.calculator-form input:focus,.calculator-form select:focus{outline:3px solid rgba(50,116,161,.14);border-color:#6ca4ca}.calculator-form [hidden]{display:none!important}.calculator-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.calculate-button{border:0;border-radius:4px;background:#153c5c;color:#fff;padding:12px 20px;font:inherit;font-size:.88rem;font-weight:700;cursor:pointer}.calculate-button:hover{background:#0d2f4a}.calculate-button:focus-visible{outline:3px solid #8fc2e5;outline-offset:2px}.calculator-error{margin:0;padding:13px 15px;border-left:3px solid #a23c32;background:#fcf1ef;color:#7d2d26;font-size:.86rem}.calculator-result{padding:24px;border-top:2px solid #1c6c50;border-bottom:1px solid #bdd8cd;background:#f2f9f6}.calculator-result>p:first-child{margin:0 0 15px;color:#29634f;font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.primary-result{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.primary-result strong{font-family:Georgia,serif;font-size:clamp(2.2rem,5vw,3.3rem);line-height:1}.primary-result span:last-child{color:var(--muted);font-weight:700}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:20px;background:#d8e4df;border:1px solid #d8e4df}.result-grid div{padding:13px 15px;background:#fff}.result-grid span{display:block;color:var(--muted);font-size:.72rem}.result-grid strong{display:block;margin-top:2px;font-size:1.02rem}.result-equation{margin:0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:clamp(.82rem,2.5vw,1rem);overflow-wrap:anywhere}.calculation-context{align-self:start;display:grid;gap:30px;padding-left:24px;border-left:1px solid var(--line)}.calculation-context section+section{padding-top:26px;border-top:1px solid var(--line)}.calculation-context h2{margin:0 0 9px;font-size:.72rem;letter-spacing:.11em;text-transform:uppercase;color:var(--blue)}.calculation-context p{margin:0;color:var(--muted);font-size:.82rem;line-height:1.65}.calculation-context .formula-text{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#314453}.formula-list{display:grid;gap:8px}.field-help{margin:0;color:var(--muted);font-size:.74rem}.calculator-note{margin:0;padding:18px 20px;border-left:3px solid var(--blue);background:var(--soft);color:var(--muted);font-size:.84rem}.mode-fields{display:contents}.calculations-hub{padding-block:56px 88px}.calculator-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:2px solid var(--ink)}.calculator-card{display:flex;flex-direction:column;min-height:230px;padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}.calculator-card:nth-child(2n){border-right:0}.calculator-card:nth-child(odd){padding-left:0}.calculator-card-number{color:var(--blue);font-size:.68rem;font-weight:700;letter-spacing:.12em}.calculator-card h2{margin:18px 0 10px;font-family:Georgia,serif;font-size:1.55rem;line-height:1.2}.calculator-card p{margin:0;color:var(--muted);font-size:.9rem}.calculator-card-link{margin-top:auto;padding-top:25px;color:var(--blue);font-size:.82rem;font-weight:700}.calculator-card:hover h2{color:var(--blue)}.calculations-disclaimer{max-width:900px;margin:50px 0 0;padding:22px 24px;border-left:3px solid #7694a8;background:var(--soft);color:var(--muted);font-size:.85rem}.converter-pair{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:14px}.converter-arrow{padding-bottom:13px;color:var(--blue);font-weight:700}@media(max-width:800px){.calculation-page{grid-template-columns:minmax(0,1fr)}.calculation-context{padding:26px 0 0;border-left:0;border-top:1px solid var(--line)}}@media(max-width:600px){.calculation-header{padding-block:44px 34px}.calculation-back{margin-bottom:26px}.calculation-header>p:last-child{font-size:1rem}.calculation-page,.calculations-hub{padding-block:38px 64px}.calculator-grid,.calculator-card-grid{grid-template-columns:minmax(0,1fr)}.calculator-field.wide{grid-column:auto}.calculator-card,.calculator-card:nth-child(odd){min-height:0;padding:25px 0;border-right:0}.calculator-card-link{padding-top:20px}.result-grid,.converter-pair{grid-template-columns:1fr}.converter-arrow{padding:0;transform:rotate(90deg);justify-self:start}.calculator-result{padding:20px 18px}}