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@media(max-width:1100px){.header{height:76px;padding:0 6%}.header>nav,.nav-contact{display:none}.brand{width:165px}.header-tools{gap:15px}.menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:white;min-width:44px;height:44px}.menu-toggle span{display:block;width:22px;height:1.5px;background:var(--ink);transition:transform .18s}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(4.25px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-4.25px) rotate(-45deg)}.section{padding-block:70px 80px}.hero-copy{padding:60px 5% 30px 10%}.hero-photo,.hero{min-height:600px}.hero-copy>p{font-size:17px}.hero-note{padding-top:35px}.hero-actions{gap:18px}.section-heading{gap:35px}.section-heading>p{max-width:440px}.product-directory{column-gap:40px}.expertise{gap:55px}.quality-teaser{gap:55px}.detail-hero{gap:40px}.detail-body{grid-template-columns:1fr 245px;gap:35px}.detail-aside{padding:22px}.detail-aside h2{font-size:21px}.contact-layout{gap:40px}.contact-email{font-size:20px}.certificates{gap:30px}.certificates strong{font-size:29px}.service-columns{gap:30px}footer{gap:35px}}
@media(max-width:850px){.hero{grid-template-columns:1fr}.hero-copy{padding:47px 7% 25px}.hero h1{font-size:clamp(39px,6.2vw,55px);max-width:680px}.hero-photo{min-height:355px}.hero-photo>img{object-position:center 44%}.hero-photo>div{left:7%;right:7%;bottom:25px}.hero-note{padding-top:35px}.trust-band{display:grid;grid-template-columns:1fr 1fr;gap:12px 25px}.section-heading{display:block}.section-heading>p{margin-top:24px;max-width:65ch}.section-heading>.text-link{margin-top:22px}.product-directory h3{font-size:22px}.solution-lines article{gap:30px;grid-template-columns:1fr 1.2fr}.expertise{grid-template-columns:.7fr 1fr;gap:35px}.expertise>div:first-child{min-height:330px}.expertise img{width:150px;height:240px}.quality-teaser{gap:35px}.quality-list>span{font-size:23px;flex-wrap:wrap;gap:5px}.catalog{grid-template-columns:1fr;gap:30px;padding-top:35px}.catalog-tools{position:static}.catalog-tools h2{font-size:23px;margin-bottom:18px}.catalog-tools input{max-width:500px}.filters{flex-direction:row;flex-wrap:wrap;gap:8px;border:0;margin-top:18px}.filters button{border:1px solid var(--line);padding:10px 13px;font-size:14px;min-height:44px}#reset-search{margin-top:15px}.product-row{grid-template-columns:220px 1fr;gap:25px}.detail-hero{grid-template-columns:1fr 1fr;gap:30px}.detail-hero .product-image,.detail-hero .drawing{min-height:280px}.detail-hero h1{font-size:35px}.detail-hero .subtitle{font-size:20px}.detail-hero p:not(.subtitle){font-size:16px}.detail-body{grid-template-columns:1fr;gap:40px}.detail-aside{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.detail-aside h2,.detail-aside p{grid-column:1/-1}.detail-aside .button{grid-column:1/-1;width:max-content}.detail-aside .small-note{grid-column:1/-1}.solution-cases article{gap:35px}.solution-cases h2{font-size:27px}.process-steps{gap:18px}.process-steps h3{font-size:19px}.service-columns{grid-template-columns:1fr;gap:26px}.certificates{gap:25px;flex-wrap:wrap}.certificates article{min-width:160px}.certificates strong{font-size:27px}.certificates h3{font-size:19px}.innovation{grid-template-columns:.8fr 1.2fr;gap:30px}.innovation>strong{font-size:78px}.company-split{gap:35px}.company-split h2{font-size:32px}.makers{gap:20px 35px}.makers span{font-size:18px}.contact-layout{grid-template-columns:1fr;gap:55px}.contact-direct{position:static}.contact-email{font-size:26px}.closing{display:block}.closing .button{margin-top:25px}footer{grid-template-columns:1fr 1fr;gap:30px}footer>div:last-child{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;gap:12px 30px}footer small{margin-block:auto}}
@media(max-width:600px){:root{--gutter:7%}body{font-size:16px}.header{padding-inline:6%;gap:10px}.brand{width:145px}.header-tools{gap:8px}.language a{min-width:44px}.language{font-size:12px}.menu-toggle{min-width:44px}.hero h1{font-size:clamp(35px,8.7vw,44px)}html[lang=en] .hero h1{font-size:clamp(34px,8vw,43px)}.hero-copy>p{font-size:16px}.hero-actions{gap:15px}.hero-actions .text-link{font-size:14px}.hero-actions .button{font-size:14px;padding:12px 17px;gap:20px}.hero-note{font-size:12px}.hero-photo{min-height:325px}.hero-photo strong{font-size:24px}.hero-photo p{font-size:13px}.trust-band{grid-template-columns:1fr;font-size:13px;padding-block:23px;gap:12px}.section{padding-block:55px 65px}.section-heading{margin-bottom:30px}h2{font-size:31px}.section-heading>p{font-size:16px;margin-top:22px}.product-directory{grid-template-columns:1fr}.product-directory>a{min-height:105px;padding:21px 0}.product-directory h3{font-size:23px}.product-directory p{font-size:14px}.product-directory .related-link{font-size:21px;min-height:90px}.solution-lines article{grid-template-columns:1fr;gap:16px;padding:25px 0}.solution-lines h3{font-size:24px}.expertise{grid-template-columns:1fr;gap:30px}.expertise>div:first-child{min-height:270px}.expertise img{width:145px;height:215px}.quality-teaser{grid-template-columns:1fr;gap:30px}.quality-list>span{font-size:25px;gap:15px}.quality-list small{font-size:13px}.page-intro{padding-top:20px;padding-bottom:43px}.breadcrumb{margin-bottom:22px;gap:10px}.page-intro h1{font-size:36px}.page-intro>p{font-size:17px;margin-top:22px}.product-row{grid-template-columns:1fr;gap:23px;padding:30px 0}.row-visual .product-image,.row-visual .drawing{height:220px;min-height:220px;aspect-ratio:auto}.row-visual .drawing>svg{height:200px;width:auto;max-width:100%}.product-image.solid>img{height:78%;width:auto}.product-row h2{font-size:27px}.product-row p{font-size:16px}.row-actions{gap:12px 20px}.row-actions a{font-size:14px}.catalog-tools input{font-size:16px}.filters button{font-size:13px;padding:10px 12px}.product-intro{padding-top:20px;padding-bottom:40px}.detail-hero{grid-template-columns:1fr;gap:30px}.detail-hero h1{font-size:36px}.detail-hero .subtitle{font-size:21px;margin:20px 0 16px}.detail-hero .product-image,.detail-hero .drawing{min-height:265px;height:265px;aspect-ratio:auto}.detail-hero .drawing>svg{height:245px;width:auto;max-width:100%}.detail-body{gap:35px}.detail-main h2{font-size:27px;margin-top:40px}.spec-list>div{grid-template-columns:1fr;gap:8px;padding:17px 0}.spec-list dt{font-size:14px}.special-feature{padding:23px}.special-feature h2{font-size:23px}table{font-size:14px}th,td{padding:15px 12px}tbody th{width:32%}.detail-aside{display:block}.detail-aside .button{margin-bottom:15px}.solution-cases article{grid-template-columns:1fr;gap:23px;padding:30px 0}.solution-cases h2{font-size:27px}.process-steps{grid-template-columns:1fr;gap:0;margin-top:30px}.process-steps li{display:flex;gap:20px;align-items:center;min-height:70px}.process-steps span{margin:0;min-width:20px}.process-steps h3{font-size:23px}.certificates{display:block;padding-top:10px}.certificates article{padding:23px 0;border-bottom:1px solid var(--line)}.certificates strong{font-size:31px}.certificates h3{font-size:21px}.innovation{grid-template-columns:1fr;gap:20px}.innovation>strong{font-size:82px}.company-split{grid-template-columns:1fr;gap:30px}.company-split img{max-height:350px}.history>div{grid-template-columns:65px 1fr;gap:25px;padding:20px 0}.history dt{font-size:24px}.history dd{font-size:15px}.future-rows article{grid-template-columns:1fr;gap:15px}.makers{gap:20px}.makers span{width:100%;font-size:20px}.form-grid{grid-template-columns:1fr}.field input,.field select,.field textarea{font-size:16px}.field{margin-bottom:21px}.contact-layout h2{font-size:28px}.contact-email{font-size:24px}.draft-actions{flex-direction:column;align-items:stretch}.draft-actions>.button{justify-content:space-between}.contact-direct article>a:not(.map-link){font-size:24px}.closing{padding-block:40px 45px}.closing h2{font-size:28px}footer{grid-template-columns:1fr;gap:30px;padding-block:35px}footer>div:last-child{grid-column:1;flex-direction:column;gap:3px}footer small{margin-top:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.text-link svg,.menu-toggle span{transition:none}.text-link:hover svg,button:active,.button:active{transform:none}}
.specialty-teaser{background:var(--surface)}.specialty-directory{display:grid;grid-template-columns:1fr 1fr;column-gap:60px;margin-bottom:30px}.specialty-directory>a{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:88px;font-size:23px;font-weight:550;padding:20px 0}.specialty-directory>a:hover{color:var(--blue)}
@media(max-width:600px){.specialty-directory{grid-template-columns:1fr}.specialty-directory>a{min-height:78px;font-size:22px}}

/* Supplier product photographs: stable frames, native proportions and discrete captions. */
.product-figure{margin:0;min-width:0}.product-figure figcaption{font-size:11px;line-height:1.55;color:var(--muted);padding-top:10px}.product-image.reference-photo{aspect-ratio:1.5;background:#eef1f3;min-height:0}.product-image.reference-photo>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.product-image.reference-photo.studio{background:#f5f5f5}.product-image.reference-photo.studio>img{object-fit:contain}.row-visual .product-image.reference-photo{height:210px;min-height:210px}.row-visual .product-figure figcaption{font-size:10px}.detail-hero .product-image.reference-photo{min-height:300px}.product-image.reference-photo:not(.studio)>img{object-position:60% center}.expertise .expertise-material{position:relative;background:#edf1f4;min-height:410px;padding:35px;overflow:hidden}.expertise .expertise-material img{width:100%;height:340px;object-fit:contain;filter:none}.expertise .expertise-material{flex-direction:column;align-items:stretch}.expertise-material>span{display:block;margin-top:14px;font-size:12px;letter-spacing:.12em;color:var(--muted)}.cfq-gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0 0 40px}.cfq-gallery figure{margin:0;min-width:0}.cfq-gallery figure>div{display:flex;justify-content:center;align-items:center;background:#f0f3f5;padding:24px;height:300px}.cfq-gallery img{width:100%;height:100%;object-fit:contain}.cfq-gallery figcaption{font-size:12px;color:var(--muted);padding-top:10px;line-height:1.6}
@media(max-width:850px){.detail-hero .product-image.reference-photo{min-height:250px}.expertise .expertise-material{min-height:350px;padding:25px}.expertise .expertise-material img{height:295px}.cfq-gallery figure>div{height:260px}}
@media(max-width:600px){.row-visual .product-image.reference-photo{height:240px;min-height:240px}.detail-hero .product-image.reference-photo{height:auto;min-height:0;aspect-ratio:1.4}.product-figure figcaption{font-size:10px}.expertise .expertise-material{min-height:340px}.expertise .expertise-material img{height:290px}.cfq-gallery{gap:12px}.cfq-gallery figure>div{height:235px;padding:18px}.cfq-gallery figcaption{font-size:11px}}
/* Cross-review fixes: bounded media, clear specification review and mobile contact. */
.row-visual .product-image.reference-photo{width:100%;max-width:100%;height:auto;min-height:0;aspect-ratio:4/3}.product-figure{width:100%;max-width:100%}.product-row>div{min-width:0}.product-figure figcaption,.row-visual .product-figure figcaption,.cfq-gallery figcaption{font-size:13px}.contact-mobile{display:none}.contact-desktop{display:flex;align-items:center;gap:12px}.hero-photo>img{object-position:center center}.hero-photo>div{background:rgba(16,32,55,.88);padding:20px 24px;left:25px;right:25px;bottom:25px}.hero-photo:after{background:linear-gradient(0deg,rgba(9,25,47,.12),transparent 55%)}html[lang=en] .hero h1{font-size:clamp(35px,3.7vw,56px);line-height:1.15;text-wrap:balance;max-width:16ch}.grade-chips{display:flex;list-style:none;flex-wrap:wrap;gap:7px;padding:0;margin:15px 0}.grade-chips li{font-size:12px;border:1px solid var(--line);padding:3px 8px;background:var(--paper);font-variant-numeric:tabular-nums}.supply-review{margin:30px 0 40px;border-block:1px solid var(--line);padding:25px 0}.detail-main .supply-review h2{margin:0 0 15px;font-size:25px}.supply-review>p{font-size:15px;color:var(--muted)}.supply-review dl{margin:20px 0}.supply-review dl>div{display:grid;grid-template-columns:140px 1fr;gap:25px;padding:17px 0;border-top:1px solid var(--line)}.supply-review dt{font-size:14px;font-weight:600}.supply-review dd{margin:0;color:var(--muted);font-size:15px}.draft-instructions{font-size:16px;margin:22px 0}.draft-recipient{display:flex;align-items:center;flex-wrap:wrap;gap:15px;margin:20px 0}.draft-recipient>a{font-weight:600;overflow-wrap:anywhere}.document-request>p{max-width:70ch;margin:20px 0;color:var(--muted)}.home-family-index{display:grid;grid-template-columns:1fr 1fr;gap:50px 35px}.home-family-index article{display:grid;grid-template-columns:150px 1fr;gap:25px;align-items:start;border-top:1px solid var(--line);padding-top:25px;min-width:0}.family-image{height:170px;background:var(--paper);overflow:hidden}.family-image img{width:100%;height:100%;object-fit:cover}.home-family-index article:last-child .family-image img{object-fit:contain}.home-family-index h3{font-size:24px;margin-bottom:15px}.home-family-index ul{list-style:none;padding:0;margin:0}.home-family-index li{margin:0;border-bottom:1px solid var(--line)}.home-family-index .text-link{font-size:15px;display:flex;justify-content:space-between;gap:12px;padding:11px 0}.home-family-index article>div{min-width:0}.home-family-index article>div>.text-link{margin-top:12px;color:var(--blue);font-weight:600}
@media(max-width:1100px){.header .nav-contact{display:flex;min-height:44px;min-width:44px;justify-content:center;padding:9px 12px;font-size:13px}.contact-desktop{display:none}.contact-mobile{display:inline}.header-tools{gap:10px}.home-family-index article{grid-template-columns:115px 1fr;gap:20px}.family-image{height:145px}.home-family-index h3{font-size:21px}}
@media(max-width:850px){.home-family-index{grid-template-columns:1fr;gap:30px}.home-family-index article{grid-template-columns:160px 1fr;gap:25px}.family-image{height:175px}.hero-photo>div{left:7%;right:7%;padding:18px 20px}.header .brand{width:155px}}
@media(max-width:600px){.row-visual .product-image.reference-photo{height:auto;min-height:0;aspect-ratio:3/2}.header .brand{width:125px}.header-tools{gap:5px}.language a{min-width:44px}.language{gap:0}.header .nav-contact{font-size:12px;padding:8px 10px;min-height:44px}.header{padding-inline:5%;gap:8px}.hero-photo{min-height:370px}.hero-photo>div{bottom:22px;left:6%;right:6%;padding:16px}.hero-photo strong{font-size:23px}.hero-photo p{font-size:13px}.supply-review dl>div{grid-template-columns:1fr;gap:8px}.home-family-index article{grid-template-columns:105px 1fr;gap:18px}.family-image{height:140px}.home-family-index h3{font-size:21px}.home-family-index .text-link{font-size:14px}.draft-recipient{align-items:flex-start}.product-figure figcaption,.row-visual .product-figure figcaption,.cfq-gallery figcaption{font-size:13px}html[lang=en] .hero h1{font-size:clamp(34px,8vw,43px)}}
@media(max-width:360px){.header .brand{width:105px}.header{gap:6px}.header-tools{gap:4px}.language a{min-width:44px}.header .nav-contact{padding-inline:8px}}

/* Minimalist review: use flat surfaces and readable product copy. */
.product-row p,.special-feature p,.supply-review>p,.supply-review dd{font-size:16px}.grade-chips li,.expertise-material>span{font-size:13px}.home-family-index article{border-top:0;padding-top:20px}.home-family-index li{border-bottom:0}.home-family-index{row-gap:55px}.hero-copy>p{max-width:38ch}.button,.outline-button,.nav-contact{transition:background-color .2s,color .2s,transform .2s}.button:active,.outline-button:active,.nav-contact:active{transform:translateY(1px)}
.nowrap{white-space:nowrap}

/* IA: first-screen product family entry and specialty sub-item in the mobile menu. */
.hero-families{list-style:none;padding:0;margin:28px 0 0;border-top:1px solid var(--line);max-width:600px}
.hero-families li{margin:0;padding:0;border-bottom:1px solid var(--line)}
.hero-families a{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding:10px 0}
.hero-families strong{display:block;font-size:16px;font-weight:600;line-height:1.4}
.hero-families small{display:block;font-size:13px;line-height:1.5;color:var(--muted);margin-top:2px}
.hero-families svg{flex-shrink:0;color:var(--blue)}
.hero-families a:hover strong{color:var(--blue)}
.hero-families+.hero-actions{margin-top:28px}
.page-intro>.text-link{margin-top:22px}
.mobile-nav a.mobile-sub{min-height:46px;padding-left:20px;font-size:15px;color:var(--muted)}
.mobile-nav a.mobile-sub[aria-current=page]{color:var(--blue)}

/* Catalog intro: one emphasized sentence on sourcing grades that are not listed (no card, no icon). */
.page-intro>.sourcing-callout{margin:24px 0 0;max-width:none;padding-top:16px;border-top:1px solid var(--line);font-size:17px;font-weight:600;line-height:1.7;color:var(--blue);text-wrap:balance}
@media(max-width:600px){.page-intro>.sourcing-callout{font-size:16px}}
/* Product detail: H-steel note sits apart from the general notice above it. */
.small-note.grade-note{margin-top:10px}