.twh-calc-page{padding:24px 0 48px}
.twh-calc-page h1{font-size:clamp(2.6rem,3.4vw,3.6rem);margin:0 0 8px}
.twh-calc-page .twh-calc__answer{font-size:1.7rem;max-width:72ch;margin:0 0 20px}
.twh-calc{border:1px solid rgba(0,0,0,.12);border-radius:10px;padding:18px;background:#fff}
.twh-calc__form{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px 16px;align-items:end}
.twh-calc__form label{display:flex;flex-direction:column;gap:4px;font-size:1.4rem;font-weight:600}
.twh-calc__form label small{font-weight:400;opacity:.7}
.twh-calc__form input[type=text],.twh-calc__form select{font:inherit;font-weight:400;font-size:1.6rem;padding:10px 12px;border:1px solid rgba(0,0,0,.3);border-radius:6px;background:#fff;min-height:44px;width:100%;box-sizing:border-box}
.twh-calc__form input[aria-invalid]{border-color:#c62828}
.twh-calc__form .twh-calc__check{flex-direction:row;align-items:center;gap:10px;min-height:44px}
.twh-calc__form .twh-calc__check input{width:20px;height:20px}
.twh-calc__units{grid-column:1/-1;display:inline-flex;gap:0;justify-self:start}
.twh-calc__units button{font:inherit;font-size:1.4rem;padding:8px 14px;border:1px solid rgba(0,0,0,.3);background:#fff;cursor:pointer;min-height:40px}
.twh-calc__units button:first-child{border-radius:6px 0 0 6px}
.twh-calc__units button:last-child{border-radius:0 6px 6px 0;border-left:0}
.twh-calc__units button[aria-pressed=true]{background:#1f1f1f;color:#fff;border-color:#1f1f1f}
.twh-calc__result{margin-top:18px}
.twh-calc__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.twh-calc__svg svg{width:100%;height:auto;max-height:360px;display:block;background:#faf8f5;border-radius:6px}
.twh-calc__lines{margin:0;display:grid;gap:10px}
.twh-calc__lines div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(0,0,0,.08);padding-bottom:8px}
.twh-calc__lines dt{font-size:1.4rem;opacity:.75}
.twh-calc__lines dd{margin:0;font-weight:700;font-size:1.5rem;text-align:right}
.twh-calc__err{color:#c62828;font-weight:600}
.twh-cta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0 8px}
.twh-cta__card{border:1px solid rgba(0,0,0,.12);border-radius:10px;padding:16px;background:#fff;display:flex;flex-direction:column;gap:8px}
.twh-cta__card h2{font-size:1.8rem;margin:0}
.twh-cta__kit{grid-column:1/-1;background:#f6f2ec}
.twh-cta__kit dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0}
.twh-cta__kit dt{font-size:1.3rem;opacity:.7}
.twh-cta__kit dd{margin:0;font-weight:700;font-size:1.8rem}
.twh-cta__card .button{margin-top:auto;text-align:center}
.twh-cta__card small{opacity:.75}
.twh-cta form{display:flex;gap:8px;flex-wrap:wrap}
.twh-cta form input[type=email]{flex:1 1 180px;font:inherit;font-size:1.6rem;padding:10px 12px;border:1px solid rgba(0,0,0,.3);border-radius:6px;min-height:44px}
.twh-cta__ok{font-weight:700;color:#2e7d32}
.twh-calc-body{margin-top:32px;max-width:860px}
.twh-calc-body table{width:100%;border-collapse:collapse;margin:12px 0 20px;font-size:1.5rem}
.twh-calc-body th,.twh-calc-body td{border:1px solid rgba(0,0,0,.15);padding:8px 10px;text-align:left}
.twh-calc-body th{background:#f6f2ec}
.twh-calc-faq details{border-bottom:1px solid rgba(0,0,0,.1);padding:12px 0}
.twh-calc-faq summary{font-weight:700;cursor:pointer;font-size:1.6rem}
.twh-calc-related ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;list-style:none;padding:0}
.twh-calc-related a{display:block;border:1px solid rgba(0,0,0,.12);border-radius:8px;padding:12px 14px;font-weight:600;text-decoration:none}
.twh-embed{margin-top:28px;border:1px dashed rgba(0,0,0,.25);border-radius:10px;padding:16px;max-width:860px}
.twh-embed textarea{width:100%;min-height:96px;font-family:monospace;font-size:1.3rem;box-sizing:border-box;padding:8px}
.twh-crumbs{font-size:1.3rem;margin-bottom:10px;opacity:.8}
.twh-crumbs a{text-decoration:none}
@media (max-width:749px){
  .twh-calc{padding:14px}
  .twh-calc__grid,.twh-cta{grid-template-columns:1fr}
  .twh-cta__kit dl{grid-template-columns:repeat(2,minmax(0,1fr))}
}