/* QTECH / КВАНТЕК — Clean technology */
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.q-hero{background:#eaf3fc url('gas-installation.webp') center center/cover no-repeat;position:relative;isolation:isolate;overflow:hidden}.q-hero:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#edf5fd 0%,#edf5fddb 28%,#edf5fd77 46%,transparent 68%)}.q-hero-inner{max-width:var(--page);margin:auto;padding:73px 28px 63px;min-height:580px}.q-eyebrow{font-size:11px;line-height:1.5;font-weight:650;letter-spacing:.16em;color:#2b6baa;margin-bottom:20px}.q-hero h1{font-size:clamp(40px,5vw,66px)!important;font-weight:650;line-height:1.06;letter-spacing:-.05em;max-width:680px;margin:0 0 24px}.q-hero p{font-size:17px;color:#465f77;max-width:460px;margin:0 0 30px}.q-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:22px}.q-button{display:inline-flex;justify-content:center;align-items:center;gap:26px;padding:15px 22px;border-radius:7px;background:var(--blue);color:#fff;font-size:14px;font-weight:550;border:1px solid var(--blue);min-height:50px}.q-button:hover{background:var(--blue-hover);color:#fff}.q-text-link{display:inline-flex;align-items:center;gap:16px;font-size:13px;font-weight:550;color:#244c75}.q-text-link:hover{color:var(--blue)}.q-hero-note{font-size:11px;color:#42647e;margin-top:42px;display:flex;align-items:center;gap:8px}.q-hero-note span{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:#428ab0}.q-trust-strip{max-width:var(--page);margin:auto;padding:28px;display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.q-trust-strip>div{padding:0 24px;border-left:1px solid var(--line)}.q-trust-strip>div:first-child{padding-left:0;border:0}.q-trust-strip b{display:block;font-size:17px;font-weight:600;letter-spacing:-.02em}.q-trust-strip span{display:block;font-size:11px;color:var(--muted);margin-top:3px}
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.industries-section{border-top:1px solid var(--line);padding-top:64px!important}.q-industry-photo{height:300px;border-radius:var(--radius);overflow:hidden;margin-bottom:28px;background:var(--pale)}.q-industry-photo img{width:100%;height:100%;object-fit:cover;object-position:center 50%}.industries-grid{gap:28px}.industry-card{border:0;border-radius:0;border-top:2px solid #d6e5f2;background:#fff!important;text-align:left;padding:24px 0;box-shadow:none!important;backdrop-filter:none}.industry-card:hover{transform:none}.industry-icon{font-size:24px;width:42px;height:42px;line-height:42px;text-align:center;margin-bottom:15px;background:#edf5fc;border:0;border-radius:8px}.industry-name{font-size:19px;letter-spacing:-.025em;line-height:1.3;color:var(--ink);margin-bottom:13px;font-weight:600}.industry-desc{font-size:13px;color:var(--muted);line-height:1.7}.contact-section,.contact-bar{max-width:1184px;margin:8px auto 65px;padding:52px;background:linear-gradient(115deg,#eaf3fe,#f5f9fd)!important;border:1px solid #d8e7f6;border-radius:var(--radius);text-align:left;box-shadow:none}.contact-section h2,.contact-bar h3{font-weight:600;font-size:36px!important;margin-bottom:14px}.contact-section>p,.contact-bar>p{font-size:14px;color:var(--muted);max-width:610px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:760px;margin:27px 0 0}.contact-form input,.contact-form textarea,#quickForm input,#quickForm textarea,.chat-input-area input{background:white!important;border:1px solid #cadceb!important;border-radius:7px!important;color:var(--ink)!important;padding:14px 16px!important;font-size:14px;box-shadow:none!important;min-width:0}.contact-form textarea{grid-column:1/-1;resize:vertical;min-height:100px}.contact-form button,#quickForm button{background:var(--blue)!important;color:#fff!important;border:0!important;border-radius:7px!important;padding:14px 25px!important;font-size:14px;box-shadow:none!important;justify-self:start}.contact-form button{grid-column:1/-1}.contact-form input::placeholder,.contact-form textarea::placeholder{color:#6a7c8d}#formResult{border-radius:8px;padding:12px;font-size:14px;max-width:760px}#quickForm{margin-left:0!important;margin-right:0!important}.contact-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.contact-link{padding:10px 16px;color:var(--blue);background:white!important;border:1px solid #c9dcee;border-radius:6px;font-size:13px}.contact-link:hover{border-color:var(--blue)}
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/* Shared technical cards and tables. */
.gas-card,.gas-card-modern{background:#fff!important;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:none!important}.card-header{background:#f0f6fc!important;border-bottom:1px solid var(--line);padding:22px 25px;gap:14px}.gas-title{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.gas-formula{font-size:32px;font-weight:650;letter-spacing:-.05em;font-family:inherit;color:var(--blue)!important;background:none!important}.gas-name{font-size:16px;font-weight:500;padding:0;background:none!important;color:var(--ink)!important;border-radius:0}.hazard-tag{background:#fff5d8!important;color:#785600!important;border:1px solid #efddb0;border-radius:5px;padding:5px 9px;font-size:11px}.card-body{padding:25px}.specs-wrapper{overflow-x:auto;margin-bottom:24px;overscroll-behavior-x:contain}.specs-table,.specs-table-modern,.specs-table-two{min-width:620px;width:100%;border-collapse:collapse;background:#fff!important;font-size:12px;border-radius:0;overflow:visible;color:var(--ink)}.specs-table th,.specs-table-modern th,.specs-table-two th{padding:12px 10px;background:#edf4fb!important;color:#355a79!important;font-size:11px;border:0;border-bottom:1px solid #cfdfed;font-weight:600;text-align:left;white-space:nowrap}.specs-table td,.specs-table-modern td,.specs-table-two td{padding:11px 10px;background:#fff;color:var(--ink)!important;font-size:12px;border:0;border-bottom:1px solid #e2eaf1;text-align:left;white-space:nowrap;font-variant-numeric:tabular-nums}.specs-table tr:nth-child(even) td,.specs-table-modern tr:nth-child(even) td{background:#f8fafc}.grade-cell,.grade-cell strong{color:var(--blue)!important}.specs-note{font-size:11px;color:#647a8d;margin-top:10px}.description-block{background:#f3f7fb!important;border-left:3px solid #8eb8e2;border-radius:5px;padding:18px 20px;margin-bottom:20px}.description-block p{font-size:13px;color:var(--muted);line-height:1.75}.description-block strong{color:var(--ink)}.info-grid{gap:14px}.info-panel{background:#fff!important;border:1px solid var(--line);border-radius:8px;padding:19px;box-shadow:none}.info-panel:hover{border-color:#bdd3e7}.panel-title{font-size:10px;font-weight:650;letter-spacing:.07em;color:#3e6485;margin-bottom:10px}.panel-content{font-size:13px;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.card-footer{background:#f6f9fc!important;border-top:1px solid var(--line);padding:13px 25px;gap:18px}.footer-badge{font-size:10px;color:#617e95}.back-link{font-size:12px;border:0;border-radius:0;padding:0;margin:0 0 24px;color:#527490}.back-link:hover{background:none;color:var(--blue)}
/* Gas specifications page. */
.q-gases #q-main{max-width:var(--page);padding:40px 28px;margin:auto}.q-gases h1{font-weight:600;max-width:1000px;font-size:43px!important;line-height:1.15;margin-bottom:22px}.q-gases .subtitle{font-size:14px;color:var(--muted);border-left:2px solid #95bae2;padding-left:16px;max-width:850px;margin-bottom:27px}.seo-text{background:#f0f6fc!important;border:1px solid var(--line);border-radius:12px;padding:25px;margin:30px 0}.seo-text h2{font-size:22px!important;font-weight:600;margin-bottom:14px}.seo-text p{font-size:13px;color:var(--muted)}.q-catalog-toolbar{display:flex;align-items:center;gap:18px;flex-wrap:wrap;position:sticky;top:139px;z-index:5;background:#fffffffa;border-bottom:1px solid var(--line);padding:15px 0;margin:30px 0 15px}.q-catalog-toolbar label{font-size:12px;color:var(--muted)}#q-catalog-search{background:#f5f8fb;border:1px solid #d3e1ed;border-radius:6px;padding:12px 15px;font-size:13px;width:350px;max-width:100%;color:var(--ink)}#q-catalog-count{margin-left:auto;font-size:12px;color:var(--muted)}.q-gas-index{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:30px}.q-gas-index a{font-size:11px;background:#f0f6fc;padding:6px 11px;border-radius:4px;color:#385f82}.q-gas-index a:hover{background:#dcecff;color:var(--blue)}#q-no-gases{padding:30px 0;color:var(--muted)}[hidden]{display:none!important}.q-gases .gas-card{margin-bottom:28px;scroll-margin-top:235px}.q-gases footer{color:#698095;border-color:var(--line);font-size:11px}
/* Real product photography and device specifications. */
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/* Light dialogs retain all original technical and legal content. */
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