.imt-page [hidden]{display:none!important}
.imt-page .hero-shell{padding:24px 28px}
.imt-page h1{margin:0 0 10px;font-size:clamp(29px,3.4vw,44px)}
.imt-page .lead{margin:0;max-width:950px}
.imt-page .calculator-layout{align-items:start}
.imt-page .field{display:grid;gap:8px;margin-bottom:18px;min-width:0}
.imt-page .label-row{font-weight:700;color:var(--ink-strong)}
.imt-page .input,.imt-page .select{width:100%;min-width:0}
.imt-height-row{display:grid;grid-template-columns:minmax(90px,1fr) minmax(100px,150px);gap:10px}
.imt-page .hint,.imt-note{font-size:14px;line-height:1.6;color:var(--muted)}
.imt-actions{display:flex;gap:10px;flex-wrap:wrap}
.imt-actions .button{min-height:46px}
.imt-page .button:disabled{opacity:.55;cursor:default}
.imt-main{padding:18px;margin:18px 0;background:var(--pearl-soft);border:1px solid var(--line-strong);border-radius:var(--radius-md);box-shadow:inset 3px 3px 8px rgba(85,108,91,.14),inset -3px -3px 8px rgba(249,252,245,.6)}
.imt-main span{display:block;font-weight:700}
.imt-main strong{display:block;margin-top:10px;font-size:clamp(28px,3.3vw,40px);line-height:1.35;color:var(--ink-strong);overflow-wrap:anywhere}
.imt-main p{margin:10px 0 0;font-weight:650}
.imt-solution{padding:26px;min-width:0}
.imt-page .imt-table{width:100%;table-layout:fixed;border-collapse:collapse;margin-top:18px;font-size:14px}
.imt-table th,.imt-table td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line-strong);vertical-align:top;overflow-wrap:anywhere}
.imt-table th:first-child,.imt-table td:first-child{width:39%}
.imt-current{background:var(--sage-soft,#d4dfd5);font-weight:700}
#imt-equation{line-height:1.7;overflow-wrap:anywhere}
#imt-copy-area{margin-top:18px}
#imt-copy-text{display:block;width:100%;margin-top:8px;resize:vertical}
#imt-message{font-weight:650;color:var(--ink-strong);overflow-wrap:anywhere}
.imt-page .seo-article{max-width:none}
.imt-page .seo-article p,.imt-page .seo-article li{line-height:1.7}
@media(max-width:640px){.imt-page .hero-shell,.imt-solution{padding:20px}.imt-actions .button{flex:1 1 160px}.imt-main{padding:15px}.imt-table th,.imt-table td{padding:10px 7px}}

.imt-faq details{padding:14px 0;border-bottom:1px solid var(--line-strong)}
.imt-faq summary{cursor:pointer;font-weight:700;line-height:1.6}
.imt-faq summary:focus-visible{outline:2px solid var(--ink-strong);outline-offset:4px;border-radius:4px}