/* LABCOR Experimenta / Calculadoras Técnicas v2.2 */
.lt-hero{margin:20px 0 24px;border-radius:23px;overflow:hidden;padding:clamp(24px,4vw,46px);background:linear-gradient(135deg,#101834,#253c6a);color:#fff;position:relative;box-shadow:0 14px 30px rgba(20,40,80,.12)}
.lt-hero:after{content:"";position:absolute;right:-100px;top:-130px;width:390px;height:390px;border:2px solid rgba(255,255,255,.08);border-radius:100%}
.lt-hero h1{font-size:clamp(29px,4vw,47px);max-width:900px;margin:10px 0}
.lt-hero p{max-width:900px;color:#dce5f6;font-size:1.1rem}
.lt-kicker{display:inline-block;color:#ffbd6c;font-weight:700;letter-spacing:.025em}
.lt-crumbs{font-size:.88rem;color:#53637e;margin:0 0 14px}.lt-crumbs a{color:#1c5784}.lt-crumbs a:hover{text-decoration:underline}
.lt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 26px}
.lt-card{display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:18px;background:#fff;border:1px solid #dce4ef;box-shadow:0 10px 20px rgba(15,36,73,.04);transition:transform .15s}
.lt-card:hover{transform:translateY(-3px);border-color:#95b3e2}
.lt-card h2,.lt-card h3{font-size:1.3rem;margin:0;line-height:1.2}.lt-card p{font-size:.94rem;color:#53637e;margin:0;flex:1}
.lt-card a{font-weight:700;color:#145485}.lt-icon{display:inline-flex;width:46px;height:46px;border-radius:13px;align-items:center;justify-content:center;background:#e5effc;color:#173d78;font-size:20px;font-weight:bold}
.lt-calculator{display:grid;grid-template-columns:minmax(270px,1fr) minmax(285px,1fr);gap:22px;margin:24px 0}
.lt-panel{background:#fff;border:1px solid #dce4ef;border-radius:20px;padding:clamp(19px,3vw,28px);box-shadow:0 12px 24px rgba(15,36,73,.06)}
.lt-panel h2{font-size:1.6rem;margin:0 0 10px}.lt-panel p{color:#52647f}
.lt-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:17px}
.lt-field{display:flex;flex-direction:column;gap:7px;min-width:0}.lt-field label{font-weight:700;font-size:.9rem}.lt-field input,.lt-field select{display:block;width:100%;min-width:0;min-height:44px;border:1px solid #acbbd0;border-radius:10px;padding:10px 12px;color:#14243b;background:#fff}
.lt-field input:focus,.lt-field select:focus{border-color:#1461aa;outline:2px solid #acc9f3}
.lt-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:43px;border:0;border-radius:10px;padding:11px 18px;background:#0c5877;color:#fff!important;font-weight:700;text-decoration:none;cursor:pointer}.lt-button:hover{background:#083f64;color:#fff}
.lt-button-secondary{background:#e8f0fc;color:#143e70!important}.lt-button-secondary:hover{background:#d8e7fb;color:#143e70}
.lt-buttons{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.lt-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}
.lt-result-card{border-radius:14px;background:#f0f5fc;border:1px solid #dce6f5;padding:16px;min-width:0}
.lt-result-card span{display:block;color:#51607b;font-size:.9rem}.lt-result-card strong{display:block;color:#112e56;font-size:clamp(1.1rem,2vw,1.55rem);margin-top:5px;overflow-wrap:anywhere}
.lt-warning{font-size:.91rem;color:#78551d;background:#fff5e6;border-left:4px solid #ef982e;padding:12px 14px;border-radius:8px;margin-top:16px}
.lt-error{background:#fff0ef;border:1px solid #e7a7a3;color:#8e2424;padding:12px;border-radius:9px}
.lt-info{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:25px 0}.lt-info article{background:#fff;border:1px solid #dce4ef;padding:22px;border-radius:17px}.lt-info h2{font-size:1.3rem;margin:0 0 8px}.lt-info p{font-size:.96rem;color:#54647a}
.lt-related{display:flex;flex-wrap:wrap;gap:8px}.lt-related a{background:#fff;border:1px solid #b8cbe5;color:#184d7a;border-radius:30px;padding:8px 12px;font-weight:600;font-size:.9rem}
.lt-callout{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:25px 0 40px;border-radius:18px;background:#102c53;color:#fff;padding:23px}.lt-callout h2{font-size:1.45rem;margin:0 0 6px}.lt-callout p{margin:0;color:#e0e9fa}
.lt-formula{font-family:var(--lb-mono,monospace);overflow-wrap:anywhere;font-size:.92rem;background:#eef3fa;padding:12px;border-radius:10px;color:#163961}
.lt-muted{font-size:.9rem;color:#52647f}
@media(max-width:1000px){.lt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.lt-calculator,.lt-info{grid-template-columns:1fr}.lt-callout{flex-direction:column;align-items:flex-start}.lt-grid{grid-template-columns:1fr 1fr}}
@media(max-width:490px){.lt-fields,.lt-results,.lt-grid{grid-template-columns:1fr}.lt-hero{padding:25px 18px}.lt-panel{padding:18px}}
@media print{.lt-buttons,.lt-callout,.lt-related,.lb-header{display:none!important}.lt-panel,.lt-result-card{box-shadow:none}}

.lt-st-card{padding:14px 15px;border:1px solid #d8e5f4;border-radius:13px;margin:12px 0;background:#f7faff}.lt-st-card h3{font-size:1.1rem;margin:0 0 7px}.lt-st-card p{margin:6px 0;font-size:.92rem}.lt-st-ref{color:#2a5983;font-size:.86rem!important;font-weight:650}.lt-st-tag{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:8px;background:#e1ecf9;color:#16476f;margin-bottom:6px}