/* Clean B2B / Premium: DESIGN_VARIANCE 4, MOTION_INTENSITY 2, VISUAL_DENSITY 6.
   Preserve the MVC components and brand assets; use calm surfaces and a clear content hierarchy. */
:root,:root[data-theme=light]{--ink:#20352f;--muted:#65746e;--paper:#fafbf8;--surface:#fff;--line:#e3e9e4;--brand:#155c45;--soft:#f0f4ee;--accent:#a27529}
body{font-family:"Segoe UI Variable Text","Segoe UI",Arial,sans-serif;line-height:1.7}
h1,h2,h3{font-family:"Segoe UI Variable Display","Segoe UI",Arial,sans-serif;font-weight:650;text-wrap:balance}
.wrap{width:min(1280px,calc(100% - 80px))}
.topbar{background:var(--soft);font-size:12px}.topbar .wrap{padding-block:8px}
.header-inner{height:88px;gap:32px}.brand{flex-basis:218px}.brand img{width:218px}
.search{border-radius:8px;background:var(--paper);max-width:490px;height:46px}.search input{font-size:14px}
.hotline strong{font-size:19px}.hotline i{background:var(--soft);border-radius:50%;width:40px;height:40px;display:grid;place-items:center;font-size:19px}
.navigation{background:var(--surface);color:var(--ink);border-block:1px solid var(--line)}
.nav-inner{height:54px;gap:32px;font-size:13px}.nav-inner a{position:relative}.nav-inner a:hover{color:var(--brand)}
.nav-catalog{background:none;height:54px;min-width:218px;padding-inline:0;color:var(--brand);border-right:1px solid var(--line);border-radius:0}
.nav-inner>a.active{color:var(--brand)}.nav-inner>a.active:not(.nav-catalog)::after{content:"";height:2px;background:var(--brand);position:absolute;left:0;right:0;bottom:-16px}
.theme-toggle{background:var(--surface);border-color:var(--line);border-radius:7px}
.clean-hero{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:center;gap:64px;padding-block:52px 46px}
.clean-hero-copy .eyebrow{font-size:11px;letter-spacing:1.8px;margin-bottom:20px}
.clean-hero h1{font-size:clamp(36px,3.8vw,51px);line-height:1.1;letter-spacing:-1.8px;margin-bottom:24px}
.clean-hero-copy>p{font-size:16px;color:var(--muted);max-width:420px;line-height:1.8;margin-bottom:26px}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap}.hero-actions .text-link{font-size:13px}
.button{border-radius:7px;padding:12px 20px;font-weight:600;min-height:46px;font-size:13px;transition:background-color .15s}
.button:active{transform:translateY(1px)}.hero-contact{display:flex;align-items:center;gap:12px;margin-top:30px;color:var(--muted);font-size:11px}
.hero-contact>i{color:var(--brand);font-size:19px}.hero-contact strong{display:block;font-size:15px;line-height:1.5;color:var(--ink);font-variant-numeric:tabular-nums}
.clean-hero-media{min-width:0}.clean-hero-media>a{display:block;border-radius:12px;overflow:hidden;background:#063c40}
.clean-hero-media img{width:100%;aspect-ratio:900/465;object-fit:contain;height:auto}
.hero-media-caption{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 2px 0;font-size:11px;color:var(--muted)}
.hero-media-caption a{font-weight:600;color:var(--brand)}
.benefits{padding:23px 0;background:transparent;border-block:1px solid var(--line);margin-bottom:58px;gap:20px}
.benefits>div{grid-template-columns:34px 1fr;padding:0 14px}.benefits strong{font-size:13px;font-weight:600}.benefits span{font-size:11px;margin-top:2px}.benefits img{max-width:28px}
.section-heading{margin-bottom:22px}.section-heading h2{font-size:27px;letter-spacing:-.7px}.section-heading>a{font-size:12px}
.category-overview{margin-bottom:64px}.category-overview-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.category-tile{display:flex;align-items:center;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:16px 20px;min-height:112px}
.category-tile:hover{border-color:#99b6a4;background:var(--soft)}.category-thumbnail{width:74px;height:74px;background:#fff;display:grid;place-items:center;flex-shrink:0;border-radius:5px}
.category-thumbnail img{width:66px;height:66px;object-fit:contain}.category-thumbnail>i{font-size:29px;color:#597564}.category-tile h3{font-size:15px;line-height:1.45;margin:0;flex:1}.category-tile>i{color:var(--muted)}
.solution-section{margin-bottom:66px}.solution-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:22px}
.solution-main{display:grid;grid-template-columns:.95fr 1fr;border-radius:10px;overflow:hidden;background:var(--soft);min-height:290px}
.solution-main>img{width:100%;height:100%;object-fit:cover;aspect-ratio:1}.solution-main>div{padding:32px;align-self:center}.solution-grid h3{font-size:24px;letter-spacing:-.6px;line-height:1.2;margin-bottom:16px}.solution-grid p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:22px}.solution-grid .text-link{font-size:12px}
.solution-main>.solution-photo{position:relative;padding:0;min-height:290px;height:100%;overflow:hidden;align-self:stretch}.solution-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.78)}
.solution-equipment{background:var(--surface);border:1px solid var(--line);border-radius:10px;display:grid;grid-template-columns:130px 1fr;gap:20px;padding:26px;align-items:center}
.solution-equipment>img{width:130px;height:160px;object-fit:cover;border-radius:7px}.solution-equipment h3{font-size:21px}
.catalog-layout{grid-template-columns:minmax(0,1fr) 236px;gap:34px}.product-section{margin-bottom:54px}.category-links{margin-bottom:18px;font-size:11px;gap:17px}
.product-grid{gap:17px}.product-card{border-radius:9px;transition:none}.product-card:hover{transform:none;border-color:#9eb7a6}
.product-image{padding:20px 18px 15px}.product-image img{aspect-ratio:1.1}.product-info{padding:17px 16px 12px;border-top:0}.product-info h3{font-size:14px;line-height:1.55;font-weight:600;min-height:65px;margin-bottom:16px;text-wrap:pretty}
.product-foot{border-top:1px solid var(--line);padding-top:10px}.product-foot strong{font-size:12px;font-weight:600}.product-foot>a{min-width:30px;text-align:center}
.popular-sidebar h2{font-size:18px}.popular-product{font-size:12px;padding-block:17px}.sidebar-help{padding:26px 20px;border-radius:9px;background:var(--soft)}.sidebar-help h3{font-size:22px}.sidebar-help .button{width:100%}
.about-section{grid-template-columns:140px minmax(0,1fr) 320px;gap:34px;padding-block:44px;margin-bottom:60px;margin-top:8px}.about-mark img{width:120px;height:145px}.about-section h2{font-size:29px;line-height:1.2}.about-section p{font-size:14px;line-height:1.85}
.video-block img{border-radius:8px}.news-grid{gap:26px}.news-grid img{border-radius:8px}.news-grid h3{font-size:16px;line-height:1.5;font-weight:600}.news-grid article:first-child h3{font-size:21px}
.faq-section{padding-block:42px 68px;gap:70px}.faq-section h2{font-size:30px}.faq-section p{font-size:14px}
.footer{background:var(--soft);padding-top:48px}.footer-grid{gap:60px}.footer-logo{width:218px}.footer-grid h2{font-size:14px}.footer-grid p,.footer-grid a{font-size:13px}.footer-bottom{font-size:12px;padding-block:22px}
.product-detail{gap:60px}.detail-image{border-radius:10px}.product-detail h1{font-size:34px;line-height:1.25}.product-detail p{font-size:15px}.detail-cta,.contact-panel{border-radius:9px;padding:32px}
.article-heading h1{font-size:36px;line-height:1.25}.listing-page h1{font-size:36px}.article-card{border-radius:9px}.breadcrumbs{font-size:12px}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--ink:#e1ece5;--muted:#afc1b6;--paper:#15231e;--surface:#1c2e25;--line:#34493d;--brand:#69b18d;--soft:#20372b}}
:root[data-theme=dark]{--ink:#e1ece5;--muted:#afc1b6;--paper:#15231e;--surface:#1c2e25;--line:#34493d;--brand:#69b18d;--soft:#20372b}
:root[data-theme=dark] .button{background:#286e4c;color:#f5faf6}:root[data-theme=dark] .button.secondary{background:var(--surface);color:var(--ink)}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .button{background:#286e4c;color:#f5faf6}}
@media(min-width:768px) and (max-height:800px){.clean-hero{padding-block:32px 30px;gap:48px}.clean-hero h1{font-size:43px;margin-bottom:18px}.clean-hero-copy>p{font-size:15px;margin-bottom:22px}.hero-contact{margin-top:22px}.header-inner{height:80px}.benefits{margin-bottom:42px}}
@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.header-inner{gap:22px}.nav-inner{gap:23px;font-size:12px}.nav-catalog{min-width:180px}.clean-hero{gap:34px}.clean-hero h1{font-size:40px}.hero-actions{gap:16px}.hero-actions .text-link{font-size:12px}.solution-equipment{grid-template-columns:1fr;padding:22px}.solution-equipment>img{width:100%;height:125px;object-fit:contain}.solution-main>div{padding:24px}.solution-grid h3{font-size:22px}.category-tile{padding:14px;gap:12px}.category-tile h3{font-size:13px}.category-thumbnail{width:60px;height:60px}.category-thumbnail img{width:56px;height:56px}.about-section{grid-template-columns:110px 1fr 270px;gap:26px}.about-section h2{font-size:25px}}
@media(max-width:767px){.wrap{width:calc(100% - 36px)}.header-inner{height:auto;gap:12px;padding-block:15px}.brand{flex:1}.brand img{width:190px}.search{height:44px}.search input{font-size:16px}.nav-inner{gap:0;height:auto;padding-block:8px}.nav-catalog{border:0;min-width:0;height:auto;padding:10px 16px}.nav-inner>a.active::after{display:none}
    .clean-hero{grid-template-columns:1fr;gap:28px;padding-block:32px 28px}.clean-hero h1{font-size:38px;letter-spacing:-1.2px;margin-bottom:18px}.clean-hero-copy .eyebrow{margin-bottom:16px}.clean-hero-copy>p{font-size:15px;line-height:1.75;margin-bottom:22px;max-width:460px}.hero-actions{gap:18px}.hero-actions .text-link{font-size:12px}.hero-contact{display:none}.clean-hero-media>a{border-radius:9px}.hero-media-caption{font-size:10px;padding-top:12px;gap:12px}.hero-media-caption span{max-width:140px}.hero-media-caption a{white-space:nowrap}
    .benefits{grid-template-columns:1fr 1fr;gap:22px 14px;margin-bottom:40px;padding:22px 0}.benefits>div{padding:0;grid-template-columns:28px 1fr;gap:8px}.benefits img{max-width:24px}.benefits strong{font-size:11px}.benefits span{font-size:10px}.section-heading{align-items:flex-start;gap:12px;margin-bottom:18px}.section-heading h2{font-size:23px;max-width:240px;line-height:1.25}.section-heading>a{font-size:10px;white-space:normal;text-align:right;max-width:100px;flex-shrink:0;padding-top:3px}
    .category-overview{margin-bottom:42px}.category-overview-grid{grid-template-columns:1fr 1fr;gap:10px}.category-tile{padding:14px 12px;min-height:145px;flex-wrap:wrap;align-content:flex-start;gap:8px}.category-thumbnail{width:100%;height:58px;background:transparent;justify-content:start}.category-thumbnail img{background:#fff;border-radius:4px;width:54px;height:54px}.category-thumbnail>i{font-size:28px}.category-tile h3{font-size:12px;flex-basis:calc(100% - 20px);text-wrap:pretty}.category-tile>i{align-self:center}
    .solution-section{margin-bottom:44px}.solution-grid{grid-template-columns:1fr;gap:16px}.solution-main{grid-template-columns:1fr;min-height:0}.solution-main>.solution-photo{min-height:210px}.solution-photo img{transform:none}.solution-main>div{padding:24px}.solution-grid h3{font-size:23px}.solution-grid p{font-size:13px}.solution-equipment{grid-template-columns:95px 1fr;gap:16px;padding:22px}.solution-equipment>img{width:95px;height:115px;object-fit:cover}.solution-equipment h3{font-size:20px}.solution-equipment p{margin-bottom:14px;font-size:12px}.solution-equipment .text-link{font-size:11px}
    .catalog-layout{display:block}.product-section{margin-bottom:38px}.product-grid{gap:12px}.product-image{padding:15px 13px 8px}.product-info{padding:12px}.product-info h3{font-size:12px;min-height:74px;margin-bottom:10px}.product-foot strong{font-size:11px}.product-foot{padding-top:8px}.category-links{font-size:11px;gap:14px}
    .about-section{grid-template-columns:70px 1fr;gap:22px;padding-block:30px;margin-bottom:42px}.about-mark img{width:70px;height:auto}.about-section h2{font-size:24px}.about-section p{font-size:13px}.about-section .eyebrow{font-size:10px}.video-block{grid-column:1/-1}.video-block img{max-height:220px;object-fit:contain}.news-grid{gap:20px 16px}.news-grid h3,.news-grid article:first-child h3{font-size:14px}.faq-section{grid-template-columns:1fr;gap:16px;padding-block:30px 44px}.faq-section h2{font-size:26px}.faq-section p{font-size:13px}.footer-grid{gap:28px}.footer{padding-top:34px}.footer-logo{width:190px}.footer-bottom{font-size:10px;gap:15px}.product-detail h1,.article-heading h1,.listing-page h1{font-size:28px}.detail-cta,.contact-panel{padding:24px}}