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@media(max-width:980px){.header nav{display:none;position:absolute;top:85px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:20px 32px;flex-direction:column;align-items:stretch;gap:0}.header nav.is-open{display:flex}.header nav a{font-size:16px;padding:12px}.menu-button{display:block}.header-phone{margin-left:auto}.hero h1{font-size:49px}.hero-visual{min-height:620px}.hero .actions{flex-direction:column;align-items:flex-start}.hero .button{min-width:220px}.hero-foot{flex-wrap:wrap;max-width:240px}.proof-strip>div{gap:15px;padding-left:20px}.group-card h3{font-size:18px}.group-card p{min-height:35px}.section{padding-block:65px}.section-heading{gap:30px}.section-heading p{font-size:12px}.technical-grid>a{padding-inline:22px}.technical-grid h3{font-size:17px}.technical-symbol{font-size:37px}.technical-symbol sub{font-size:16px}.request-grid{gap:40px}.manufacturer-copy h2{font-size:31px}.delivery-teaser{gap:35px}.delivery-art{display:none}.delivery-teaser{grid-template-columns:1fr 1fr}.footer-top{gap:40px}.catalog-products{gap:20px}.product-detail{gap:35px}.request-type span{padding-inline:4px;font-size:10px}.narrow{margin-inline:auto}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}.topbar{font-size:8px}.topbar .wrap{gap:15px}.header-main{height:76px;gap:17px}.brand{width:185px}.header-phone{font-size:12px}.header-phone span{font-size:9px}.menu-button{font-size:24px;padding:3px}.header nav{top:76px;padding-inline:20px}.hero-grid{display:flex;flex-direction:column}.hero-copy{padding:39px 0 30px}.eyebrow{font-size:9px;margin-bottom:23px;letter-spacing:.1em}.hero h1{font-size:clamp(43px,10.5vw,65px);line-height:1.03}.hero-copy>p{font-size:13px;margin-top:22px}.hero .actions{flex-direction:row;flex-wrap:wrap;gap:10px;margin-top:24px}.hero .button{min-width:0;padding:13px 16px;font-size:10px;min-height:49px;gap:14px}.hero-foot{margin-top:23px;max-width:none;font-size:9px}.hero-visual{min-height:320px;height:320px;margin:0 -20px;flex:none}.hero-visual>img{height:100%;object-position:70% center;transform:scale(1)}.visual-top{top:22px;left:22px;right:22px;font-size:9px}.target-mark{font-size:30px}.mineral-tag{left:22px;bottom:43px;width:160px;padding:17px}.mineral-tag>div{font-size:36px}.mineral-tag>span{font-size:9px;margin-top:9px;padding-top:9px}.visual-caption{left:22px;bottom:16px;font-size:8px}.proof-strip{grid-template-columns:1fr 1fr;padding-block:10px}.proof-strip>div{padding:16px 10px!important;border:0;gap:14px}.proof-strip>div:nth-child(even){border-left:1px solid var(--line)}.proof-strip>div:nth-child(n+3){border-top:1px solid var(--line)}.proof-strip p{font-size:11px}.section{padding-block:50px}.section-heading{display:block;margin-bottom:29px}.section-heading>div+div,.section-heading>p{margin-top:22px}.section-heading p br{display:none}h2{font-size:33px}.group-grid{grid-template-columns:1fr;gap:34px}.group-image{height:260px}.group-card h3{font-size:23px;margin-top:18px}.group-card p{min-height:0;margin-bottom:12px}.group-grid+.caption{margin-top:25px}.split{grid-template-columns:1fr;gap:32px}.section-description{font-size:12px;margin-top:20px}.application-note{margin-top:22px;max-width:100%;font-size:10px}.task-rows summary{font-size:18px;gap:16px;padding:21px 0}.task-detail{padding-left:30px}.technical-grid{grid-template-columns:1fr}.technical-grid>a{padding:26px 0!important;border-right:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:110px 1fr;gap:8px 16px}.technical-grid>a:last-child{border:0}.technical-symbol{grid-row:1/3;align-self:center;margin:0;font-size:29px}.technical-symbol sub{font-size:13px}.technical-grid h3{padding-top:4px;font-size:18px}.technical-grid p{margin:0;font-size:11px}.technical-grid>a>span:last-child{right:0;top:8px;font-size:18px}.manufacturer{grid-template-columns:1fr}.manufacturer-photo{min-height:260px;height:260px}.manufacturer-copy{padding:29px 23px}.manufacturer-copy h2{font-size:31px}.manufacturer-copy p{font-size:12px}.delivery-teaser{grid-template-columns:1fr;gap:22px}.delivery-teaser p{font-size:12px}.request-section{padding-block:48px}.request-grid{grid-template-columns:1fr;gap:36px}.request-grid h2{font-size:44px}.request-grid>div>p{font-size:12px}.request-phone{margin-top:23px;font-size:25px}.form-side-note{display:none}.request-type span{font-size:11px;padding:12px 5px}.form-grid{gap:15px}.request-type{margin-bottom:20px}.footer-top{grid-template-columns:1fr 1fr;gap:32px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:10px;padding-bottom:85px}.footer-phone{font-size:16px!important}footer{padding-top:40px}.page-title{padding-block:40px 30px}.page-title h1{font-size:39px}.page-title .lead{font-size:14px;margin-top:20px}.filter-tabs{gap:6px}.filter-tabs button{font-size:10px;padding:10px 12px}.filter-tabs button span{margin-left:6px}.catalog-products{grid-template-columns:1fr 1fr;gap:12px}.product-card img{height:140px}.product-info{padding:13px}.product-info .caption{font-size:8px}.product-info h2{font-size:26px}.product-info p{font-size:10px}.product-card>.add-grade{margin:0 12px 12px;width:calc(100% - 24px);font-size:9px;padding:10px 3px}.comparison-heading{margin-top:45px}.table-wrap{margin-right:-20px}.product-detail{grid-template-columns:1fr;gap:27px;padding-bottom:10px}.product-detail-image{height:310px}.specs{font-size:10px}.product-detail h2{font-size:32px}.product-detail .actions{gap:10px}.product-detail .button{padding:13px;gap:12px;font-size:10px}.document-list>a{font-size:15px;gap:15px;padding-block:20px}.document-icon{padding:8px 10px}.document-list small{font-size:10px}.note{padding:22px;font-size:12px}.content-bottom{padding-bottom:45px}.delivery-options{grid-template-columns:1fr;gap:35px}.delivery-options h2{font-size:27px;margin-top:20px}.delivery-options p{margin-top:17px}.contact-grid{grid-template-columns:1fr;gap:35px}.big-contact{font-size:30px}.selection-bar{bottom:12px;width:calc(100% - 24px);padding:13px 16px;font-size:10px;text-align:center}.selection-bar>span:last-child{margin-left:17px}#toast{width:max-content;max-width:90%;text-align:center;bottom:72px}.narrow{width:calc(100% - 40px)}.prose .lead{font-size:16px}}
@media(max-width:380px){.header-phone{display:none}.menu-button{margin-left:auto}.hero .button{padding:12px 11px;gap:10px}.hero h1{font-size:41px}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.catalog-products{grid-template-columns:1fr}.product-card img{height:210px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media(max-width:700px){.form-grid input,.form-grid textarea{font-size:16px}}
.certificate-feature{display:grid;grid-template-columns:300px 1fr;gap:65px;align-items:center;background:var(--pale);padding:40px;margin-bottom:60px}.certificate-preview{display:block;max-width:300px;border:1px solid var(--line);transition:transform .2s}.certificate-preview:hover{transform:translateY(-3px)}.certificate-preview img{width:100%;height:auto}.certificate-feature h2{font-size:39px}.certificate-feature p{margin-top:22px;color:var(--muted);font-size:13px}.certificate-feature .caption{font-size:10px}.certificate-feature .specs{max-width:560px}.certificate-feature .actions{gap:12px}.certificate-feature .button{font-size:11px;padding:14px 18px}@media(max-width:980px){.certificate-feature{grid-template-columns:210px 1fr;gap:30px;padding:30px}.certificate-feature .specs>div{flex-direction:column;gap:5px}.certificate-feature .specs dd{text-align:left}}@media(max-width:700px){.certificate-feature{grid-template-columns:1fr;padding:23px;gap:28px;margin-bottom:35px}.certificate-preview{max-width:210px;margin-inline:auto}.certificate-feature h2{font-size:32px}.certificate-feature .button{font-size:10px;padding:12px;gap:12px}}