:root{
    --navy:#0A2F5C;
    --navy-dark:#071F3D;
    --sky:#0EA5E9;
    --red:#E31E24;
    --bg:#FFFFFF;
    --surface:#F7FAFC;
    --surface-2:#F0F4F8;
    --border:#E5E7EB;
    --text:#1F2937;
    --text-muted:#5B6472;
    --shadow-menu:0 25px 60px rgba(10,47,92,.14);
    --shadow-card:0 10px 30px rgba(10,47,92,.08);
    --shadow-card-hover:0 18px 40px rgba(10,47,92,.14);
    --ease:cubic-bezier(.22,.61,.36,1);
    --radius:12px;
    --header-h:220px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  html,body{margin:0;padding:0;}
  body{
    font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    color:var(--text);
    background:#fff;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  img{max-width:100%;display:block;}
  .container{max-width:1320px;margin:0 auto;padding:0 32px;}
  section{position:relative;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    color:var(--sky);font-weight:700;font-size:13px;
    letter-spacing:.09em;text-transform:uppercase;
    margin:0 0 14px;
  }
  .eyebrow::before{content:"";width:22px;height:2px;background:var(--sky);display:inline-block;}
  h1,h2,h3{margin:0;color:var(--navy);}
  .section-title{font-size:clamp(26px,3.2vw,38px);font-weight:800;letter-spacing:-.01em;line-height:1.15;}
  .section-sub{font-size:16px;line-height:1.7;color:var(--text-muted);max-width:620px;margin-top:14px;}
  .section-head{margin-bottom:44px;}
  .section-head.center{text-align:center;margin-left:auto;margin-right:auto;}
  .section-head.center .section-sub{margin-left:auto;margin-right:auto;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    font-weight:600;font-size:15px;
    padding:14px 26px;border-radius:9px;
    transition:background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
    border:1.5px solid transparent;
    cursor:pointer;
  }
  .btn-primary{background:var(--navy);color:#fff;}
  .btn-primary:hover{background:var(--navy-dark);transform:translateY(-2px);}
  .btn-outline{border-color:rgba(10,47,92,.25);color:var(--navy);background:#fff;}
  .btn-outline:hover{border-color:var(--navy);background:var(--surface);}
  .btn-light{background:#fff;color:var(--navy);}
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
  .btn-light:hover{background:var(--surface);transform:translateY(-2px);}
  .btn svg{width:17px;height:17px;}

  /* ============ shared icon defs ============ */
  .icon-defs{position:absolute;width:0;height:0;overflow:hidden;}

  /* ============ HEADER : TOPBAR ============ */
  .site-header{position:absolute; top:0;left:0;width:100%;z-index:300;background:#fff;}
  .topbar{padding:20px 0;width:100%;}
  .topbar-inner{
    display:flex;align-items:center;justify-content:space-between;gap:28px;width:100%;
  }
  .brand{display:flex;align-items:center;flex:0 0 auto;}
  .brand img{height:150px;width:auto;}

  .topbar-tagline{flex:1 1 auto;min-width:0;}
  .topbar-tagline p{
    margin:0;font-size:clamp(16px,1.9vw,22px);font-weight:800;line-height:1.28;
    color:var(--sky);letter-spacing:.01em;text-transform:uppercase;
  }

  .topbar-contact{flex:0 0 auto;display:flex;flex-direction:column;gap:10px;}
  .topbar-contact-row{
    display:flex;align-items:center;justify-content:flex-end;gap:10px;
    font-size:15px;font-weight:600;color:var(--navy);white-space:nowrap;
  }
  .topbar-icon{
    width:30px;height:30px;flex:0 0 30px;border-radius:7px;background:var(--navy);
    display:flex;align-items:center;justify-content:center;
  }
  .topbar-icon svg{width:15px;height:15px;color:#fff;}

  .btn-quote{
    flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
    background:var(--red);color:#fff;font-weight:700;font-size:14px;letter-spacing:.03em;
    padding:16px 26px;border-radius:8px;white-space:nowrap;text-transform:uppercase;
    transition:background .2s var(--ease), transform .2s var(--ease);
  }
  .btn-quote:hover{background:#B9151A;transform:translateY(-2px);}

  .hamburger{display:none;width:40px;height:40px;border:none;background:none;cursor:pointer;align-items:center;justify-content:center;flex:0 0 auto;margin-left:auto;}
  .hamburger svg{width:24px;height:24px;color:var(--navy);}

  /* ============ HEADER : NAV BAR ============ */
  .site-nav{background:#fff;border-top:2px solid var(--navy);border-bottom:1px solid var(--border);}
  .navbar-inner{display:flex;align-items:center;}
  .main-nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;}
  .main-nav-list li{display:flex;align-items:center;}
  .nav-link{
    display:inline-flex;align-items:center;gap:9px;
    font-weight:700;font-size:14.5px;letter-spacing:.03em;color:var(--text);
    padding:19px 18px;position:relative;cursor:pointer;background:none;border:none;
    text-transform:uppercase;
  }
  .nav-link:hover, .nav-link.is-open{color:var(--sky);}
  .nav-icon{width:19px;height:19px;color:var(--text);transition:color .2s var(--ease);flex:none;}
  .nav-link:hover .nav-icon, .nav-link.is-open .nav-icon{color:var(--sky);}
  .nav-chevron{width:10px;height:10px;transition:transform .25s var(--ease);margin-left:-2px;}
  .nav-link.is-open .nav-chevron{transform:rotate(180deg);}

  /* ============ MEGA MENU (static HTML, anchored under Products) ============ */
  .products-item{position:relative;}
  .mega-menu{
    position:absolute;top:100%;left:0;
    transform:translateY(-8px);
    width:min(1040px, 90vw);
    background:#fff;border-radius:0 0 10px 10px;box-shadow:var(--shadow-menu);
    border-top:3px solid var(--sky);
    display:flex;opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
    overflow:hidden;max-height:640px;
  }
  .products-item.is-open .mega-menu{
    opacity:1;visibility:visible;pointer-events:auto;
    transform:translateY(0);
  }
  .menu-categories{width:270px;flex:0 0 270px;background:var(--surface);padding:14px 0;overflow-y:auto;}
  .category-row{
    display:flex;align-items:center;gap:14px;min-height:88px;padding:0 20px;
    border-left:4px solid transparent;cursor:pointer;
    transition:background .2s var(--ease), border-color .2s var(--ease);
  }
  .category-row .cat-icon{
    width:58px;height:58px;flex:0 0 58px;border-radius:10px;overflow:hidden;
    background:#fff;border:1px solid var(--border);
  }
  .category-row .cat-icon img{width:100%;height:100%;object-fit:contain;padding:6px;}
  .category-row .cat-name{flex:1;font-weight:600;font-size:15px;color:var(--text);line-height:1.3;transition:color .2s var(--ease);}
  .category-row .cat-chevron{width:15px;height:15px;color:#9CA3AF;flex:0 0 15px;transition:color .2s var(--ease), transform .2s var(--ease);}
  .category-row:hover,.category-row.is-active{background:#fff;border-left-color:var(--navy);}
  .category-row:hover .cat-name,.category-row.is-active .cat-name{color:var(--navy);}
  .category-row:hover .cat-chevron,.category-row.is-active .cat-chevron{color:var(--navy);transform:translateX(2px);}

  .menu-divider{width:2px;flex:0 0 2px;background:var(--sky);align-self:stretch;margin:20px 0;}

  .menu-products{flex:1;padding:36px;overflow-y:auto;}
  .panel-header{margin-bottom:20px;}
  .panel-title{font-size:25px;font-weight:800;color:var(--navy);margin:0 0 8px 0;}
  .panel-underline{width:52px;height:3px;background:var(--sky);border-radius:2px;}
  .product-grid{display:grid;grid-template-columns:repeat(3, 1fr);gap:4px 16px;}
  .product-card{display:flex;align-items:center;gap:14px;padding:12px;border-radius:9px;cursor:pointer;transition:background .2s var(--ease);}
  .product-card:hover{background:var(--surface);}
  .product-card .prod-icon{
    width:52px;height:52px;flex:0 0 52px;border-radius:8px;overflow:hidden;
    background:#fff;border:1px solid var(--border);transition:transform .25s var(--ease);
  }
  .product-card .prod-icon img{width:100%;height:100%;object-fit:contain;padding:4px;}
  .product-card:hover .prod-icon{transform:scale(1.06);}
  .product-card .prod-name{font-weight:500;font-size:14.5px;color:var(--text);transition:color .2s var(--ease);}
  .product-card:hover .prod-name{color:var(--navy);}

  .category-panel{display:none;animation:panelFade .18s var(--ease);}
  .category-panel.is-active{display:block;}
  @keyframes panelFade{from{opacity:0;}to{opacity:1;}}

  @media (max-width:1199px){
    .mega-menu{min-width:0;width:94vw;}
    .product-grid{grid-template-columns:repeat(2, 1fr);}
    .menu-products{padding:26px;}
  }

  /* ============ MOBILE DRAWER ============ */
  .mobile-nav-overlay{position:fixed;inset:0;background:rgba(7,31,61,.4);opacity:0;visibility:hidden;transition:opacity .25s var(--ease), visibility .25s;z-index:350;}
  .mobile-nav-overlay.is-open{opacity:1;visibility:visible;}
  .mobile-drawer{
    position:fixed;top:0;right:0;height:100%;width:min(360px, 86vw);background:#fff;
    box-shadow:-10px 0 40px rgba(0,0,0,.15);transform:translateX(100%);
    transition:transform .28s var(--ease);z-index:360;display:flex;flex-direction:column;overflow-y:auto;
  }
  .mobile-drawer.is-open{transform:translateX(0);}
  .mobile-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
  .mobile-drawer-head img{height:32px;}
  .drawer-close{width:36px;height:36px;border:none;background:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--navy);}
  .drawer-close svg{width:20px;height:20px;}
  .mobile-nav-list{list-style:none;margin:0;padding:8px 8px 24px;}
  .mobile-nav-list > li{border-bottom:1px solid var(--border);}
  .mobile-top-link{display:flex;align-items:center;justify-content:space-between;padding:15px 12px;font-weight:600;font-size:15.5px;color:var(--text);cursor:pointer;}
  .mobile-top-link:hover, .mobile-top-link.is-active{color:var(--navy);}
  .mobile-accordion-toggle{width:26px;height:26px;flex:0 0 26px;border-radius:50%;border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;position:relative;transition:border-color .2s var(--ease), background .2s var(--ease);}
  .mobile-accordion-toggle::before,.mobile-accordion-toggle::after{content:"";position:absolute;background:var(--navy);transition:transform .2s var(--ease);}
  .mobile-accordion-toggle::before{width:10px;height:2px;}
  .mobile-accordion-toggle::after{width:2px;height:10px;}
  li.is-expanded > .mobile-top-link .mobile-accordion-toggle::after{transform:scaleY(0);}
  li.is-expanded > .mobile-top-link{color:var(--navy);}
  li.is-expanded > .mobile-top-link .mobile-accordion-toggle{border-color:var(--navy);background:var(--surface);}
  .mobile-category-list,.mobile-product-list{list-style:none;margin:0;padding:0;max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
  .mobile-category-list{padding-left:6px;}
  .mobile-product-list{padding-left:14px;}
  .mobile-category-item > .mobile-cat-row{display:flex;align-items:center;justify-content:space-between;padding:12px 12px;font-weight:600;font-size:14px;cursor:pointer;}
  .mobile-category-item.is-expanded > .mobile-cat-row{color:var(--navy);}
  .mobile-product-list a{display:flex;align-items:center;gap:10px;padding:9px 12px;font-size:13.5px;font-weight:500;color:#4B5563;}
  .mobile-product-list a img{width:26px;height:26px;object-fit:contain;border:1px solid var(--border);border-radius:5px;background:#fff;}
  .mobile-product-list a:hover{color:var(--navy);}
  .mobile-contact{padding:18px 20px;border-top:1px solid var(--border);margin-top:auto;}
  .mobile-contact a{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px;color:var(--navy);padding:8px 0;}
  .mobile-contact svg{width:17px;height:17px;color:var(--sky);}

  @media (max-width:980px){
    .topbar-tagline{display:none;}
    .topbar-contact{display:none;}
  }
  @media (max-width:767px){
    .site-nav{display:none;}
    .btn-quote{display:none;}
    .hamburger{display:flex;}
    .topbar{padding:14px 0;}
    .brand img{height:50px;}
  }

  /* ============ HERO SLIDER (auto-looping, diagonal split) ============ */
  .hero-slider{
    position:relative;height:clamp(240px,54vw,400px); margin-top: var(--header-h, 220px);
    overflow:hidden;background:var(--navy);isolation:isolate;
  }
  .hero-slide{
    position:absolute;inset:0;opacity:0;visibility:hidden;z-index:1;
    transition:opacity .9s var(--ease), visibility .9s;
  }
  .hero-slide.is-active{opacity:1;visibility:visible;z-index:2;}
  .hero-slide-media{position:absolute;inset:0;background:var(--navy-dark);}
  .hero-slide-media img{width:100%;height:100%;object-fit:cover; display:block;}
  .hero-slide-panel{
    position:absolute;inset:0 30% 0 0;background:var(--navy);
    clip-path:polygon(0 0, 100% 0, 74% 100%, 0 100%);
    display:flex;align-items:center;
  }
  .hero-slide-panel-inner{
    padding-left:max(32px, calc((100vw - 1320px) / 2 + 32px));
    padding-right:64px;max-width:600px;
  }
  .hero-slide-title{
    color:#fff;font-size:clamp(28px,3.6vw,44px);font-weight:800;
    text-transform:uppercase;letter-spacing:.01em;line-height:1.15;margin:0 0 20px;
  }
  .hero-slide-underline{width:70px;height:3px;background:#fff;opacity:.85;margin-bottom:22px;}
  .hero-slide-text{color:rgba(255,255,255,.82);font-size:16px;line-height:1.75;margin:0;max-width:480px;}

  .hero-controls{position:absolute;right:36px;bottom:28px;z-index:5;display:flex;gap:12px;}
  .hero-arrow{
    width:46px;height:46px;border-radius:50%;flex:none;
    border:1.5px solid rgba(255,255,255,.55);background:rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:center;cursor:pointer;
    transition:background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
  }
  .hero-arrow:hover{background:rgba(255,255,255,.24);border-color:#fff;transform:translateY(-2px);}
  .hero-arrow svg{width:19px;height:19px;color:#fff;}

  .hero-dots{position:absolute;left:36px;bottom:30px;z-index:5;display:flex;gap:9px;}
  .hero-dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.4);border:none;cursor:pointer;padding:0;transition:background .2s var(--ease), transform .2s var(--ease);}
  .hero-dot.is-active{background:#fff;transform:scale(1.2);}

  @media (max-width:860px){
    .hero-slider{height:clamp(460px,130vw,560px);}
    .hero-slide-panel{
      clip-path:none;inset:auto 0 0 0;width:100%;align-items:flex-end;
      background:linear-gradient(0deg, rgba(7,31,61,.94) 0%, rgba(7,31,61,.8) 55%, rgba(7,31,61,0) 100%);
    }
    .hero-slide-panel-inner{padding:0 24px 30px;max-width:100%;}
    .hero-controls{top:16px;right:16px;bottom:auto;}
    .hero-dots{left:16px;bottom:16px;}
    .hero-arrow{width:38px;height:38px;}
    .hero-arrow svg{width:16px;height:16px;}
  }

  /* ============ FLOW DIVIDER (signature element) ============ */
  .flow-divider{padding:8px 0;}
  .flow-divider svg{width:100%;height:34px;display:block;}

  /* ============ USP STRIP ============ */
  .usp-strip{padding:56px 0;border-bottom:1px solid var(--border);}
  .usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
  .usp-card{display:flex;flex-direction:column;gap:14px;}
  .usp-icon{width:50px;height:50px;border-radius:12px;background:var(--surface);display:flex;align-items:center;justify-content:center;}
  .usp-icon svg{width:24px;height:24px;color:var(--navy);}
  .usp-card h3{font-size:16px;font-weight:700;color:var(--navy);}
  .usp-card p{font-size:14px;line-height:1.6;color:var(--text-muted);margin:0;}
  @media (max-width:900px){.usp-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:560px){.usp-grid{grid-template-columns:1fr;}}

  /* ============ PRODUCT CATEGORY CARDS ============ */
  .categories-section{padding:96px 0;}
  .category-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
  .category-cards .cat-card:nth-child(4),.category-cards .cat-card:nth-child(5){grid-column:span 1;}
  .cat-card{
    border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--border);
    box-shadow:var(--shadow-card);transition:box-shadow .25s var(--ease), transform .25s var(--ease);
    cursor:pointer;display:flex;flex-direction:column;
  }
  .cat-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);}
  .cat-card .cat-card-img{aspect-ratio:16/11;overflow:hidden;}
  .cat-card .cat-card-img img{width:100%;height: 100%; object-fit:cover;transition:transform .4s var(--ease);}
  .cat-card:hover .cat-card-img img{transform:scale(1.06);}
  .cat-card-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;}
  .cat-card-body h3{font-size:18.5px;font-weight:700;margin-bottom:8px;}
  .cat-card-body p{font-size:14px;line-height:1.6;color:var(--text-muted);margin:0 0 16px;flex:1;}
  .cat-card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--sky);}
  .cat-card-link svg{width:14px;height:14px;transition:transform .2s var(--ease);}
  .cat-card:hover .cat-card-link svg{transform:translateX(4px);}
  @media (max-width:980px){.category-cards{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:600px){.category-cards{grid-template-columns:1fr;}}

  /* ============ FEATURED PRODUCTS ============ */
  .featured-section{padding:0 0 100px;}
  .featured-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
  .feat-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .25s var(--ease), transform .25s var(--ease);}
  .feat-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px);}
  .feat-card-img{aspect-ratio:1/1;background:#fff;padding:18px;}
  .feat-card-img img{width:100%;height:100%;object-fit:contain;}
  .feat-card-body{padding:0 18px 20px;}
  .feat-card-body .feat-cat{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--sky);margin-bottom:4px;display:block;}
  .feat-card-body h4{font-size:15.5px;font-weight:700;color:var(--navy);margin:0;}
  @media (max-width:980px){.featured-grid{grid-template-columns:repeat(2,1fr);}}
  @media (max-width:560px){.featured-grid{grid-template-columns:1fr 1fr;gap:14px;}.feat-card-img{padding:12px;}}

  /* ============ MANUFACTURING ============ */
  .manufacturing-section{padding:96px 0;background:var(--navy);color:#fff;}
  .manufacturing-section .eyebrow{color:var(--sky);}
  .manufacturing-section .section-title{color:#fff;}
  .manufacturing-section .section-sub{color:rgba(255,255,255,.68);}
  .mfg-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;margin-top:20px;}
  .mfg-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;}
  .mfg-card img{width:100%;display:block;background:#fff;}
  .mfg-card-body{padding:22px 24px;}
  .mfg-card-body h3{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px;}
  .mfg-card-body p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.6;margin:0;}
  @media (max-width:860px){.mfg-grid{grid-template-columns:1fr;}}

  /* ============ ABOUT ============ */
  .about-section{padding:100px 0;}
  .about-inner{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:center;}
  .about-photos{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .about-photos img{border-radius:var(--radius);width:100%;height:100%;object-fit:cover;box-shadow:var(--shadow-card);}
  .about-photos .tall{grid-row:span 2;aspect-ratio:1/2.06;}
  .about-photos .short{aspect-ratio:1/1;}
  .about-copy p{font-size:16px;line-height:1.8;color:var(--text-muted);margin:18px 0;}
  .about-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px;}
  .about-list li{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:var(--text);font-weight:500;}
  .about-list svg{width:19px;height:19px;color:var(--sky);flex:none;margin-top:1px;}
  @media (max-width:900px){.about-inner{grid-template-columns:1fr;}.about-photos{order:-1;}}

  /* ============ CERTIFICATIONS ============ */
  .cert-section{padding:90px 0;background:var(--surface);}
  .cert-inner{display:flex;align-items:center;gap:56px;background:#fff;border:1px solid var(--border);border-radius:20px;padding:52px;box-shadow:var(--shadow-card);}
  .cert-badge{flex:0 0 200px;display:flex;align-items:center;justify-content:center;}
  .cert-badge img{width:200px;}
  .cert-copy h2{font-size:25px;font-weight:800;margin-bottom:14px;}
  .cert-copy p{font-size:15.5px;line-height:1.75;color:var(--text-muted);margin:0;}
  .cert-tag{display:inline-flex;align-items:center;gap:8px;margin-top:18px;background:var(--surface);border:1px solid var(--border);padding:8px 16px;border-radius:30px;font-size:13px;font-weight:700;color:var(--navy);}
  .cert-tag svg{width:16px;height:16px;color:var(--red);}
  @media (max-width:820px){.cert-inner{flex-direction:column;text-align:center;padding:40px 28px;}}

  /* ============ CONTACT CTA ============ */
  .contact-section{padding:90px 0;}
  .contact-inner{
    background:linear-gradient(120deg, var(--navy) 0%, #0F3D73 100%);
    border-radius:22px;padding:64px 56px;color:#fff;
    display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;
    position:relative;overflow:hidden;
  }
  .contact-inner::after{
    content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
    border-radius:50%;background:radial-gradient(circle, rgba(14,165,233,.28), transparent 70%);
  }
  .contact-copy h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:800;}
  .contact-copy p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.7;margin:16px 0 0;max-width:480px;}
  .contact-cards{display:grid;gap:14px;position:relative;z-index:1;}
  .contact-card{
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:12px;
    padding:18px 20px;display:flex;align-items:center;gap:14px;transition:background .2s var(--ease);
  }
  .contact-card:hover{background:rgba(255,255,255,.14);}
  .contact-card .cc-icon{width:42px;height:42px;border-radius:9px;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;flex:none;}
  .contact-card .cc-icon svg{width:20px;height:20px;color:#fff;}
  .contact-card .cc-label{font-size:12px;color:rgba(255,255,255,.6);font-weight:600;text-transform:uppercase;letter-spacing:.05em;}
  .contact-card .cc-value{font-size:15.5px;font-weight:700;color:#fff;}
  @media (max-width:900px){.contact-inner{grid-template-columns:1fr;padding:44px 28px;}}

  /* ============ NAV ACTIVE STATE (multi-page) ============ */
  .nav-link.is-current{color:var(--sky);}
  .mobile-top-link.is-current{color:var(--navy);}

  /* ============ INNER PAGE HEADER BANNER ============ */
  .page-header{
    background:linear-gradient(120deg, var(--navy) 0%, #0F3D73 100%);
    padding:56px 0 52px;color:#fff;position:relative;overflow:hidden;
    margin-top:var(--header-h, 220px);
  }
  .page-header::after{
    content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;
    border-radius:50%;background:radial-gradient(circle, rgba(14,165,233,.28), transparent 70%);
  }
  .page-header .breadcrumb{
    position:relative;z-index:1;font-size:13px;font-weight:600;color:rgba(255,255,255,.6);
    margin:0 0 14px;display:flex;align-items:center;gap:8px;
  }
  .page-header .breadcrumb a{color:rgba(255,255,255,.6);}
  .page-header .breadcrumb a:hover{color:#fff;}
  .page-header h1{position:relative;z-index:1;color:#fff;font-size:clamp(28px,4vw,42px);font-weight:800;margin:0;}
  .page-header p{position:relative;z-index:1;color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.7;margin:14px 0 0;max-width:600px;}

  /* ============ CATEGORY JUMP LINKS (products page) ============ */
  .cat-jumplinks{display:flex;flex-wrap:wrap;gap:10px;padding:28px 0 0;}
  .cat-jumplink{
    padding:10px 18px;border-radius:30px;border:1.5px solid var(--border);
    font-weight:600;font-size:13.5px;color:var(--navy);background:#fff;
    transition:border-color .2s var(--ease), background .2s var(--ease);
  }
  .cat-jumplink:hover{border-color:var(--sky);background:var(--surface);}

  .cat-section{padding:64px 0;border-top:1px solid var(--border);scroll-margin-top:20px;}
  .cat-section:first-of-type{border-top:none;}
  .cat-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
  .cat-section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;}
  .cat-section-head p{color:var(--text-muted);font-size:14.5px;margin-top:8px;max-width:560px;}
  .cat-count{font-size:13px;font-weight:700;color:var(--sky);background:var(--surface);padding:7px 14px;border-radius:20px;white-space:nowrap;}

  /* ============ GRADES & STANDARDS (material pages) ============ */
  .gs-block{margin-bottom:34px;}
  .gs-block:last-child{margin-bottom:0;}
  .gs-block h3{font-size:15.5px;font-weight:800;color:var(--navy);margin:0 0 14px;display:flex;align-items:center;gap:8px;}
  .gs-block h3 svg{width:18px;height:18px;color:var(--sky);flex:none;}
  .tag-list{display:flex;flex-wrap:wrap;gap:10px;}
  .tag-pill{background:var(--surface);border:1px solid var(--border);color:var(--navy);font-weight:700;font-size:13px;padding:9px 15px;border-radius:8px;line-height:1.3;}
  .tag-pill.alt{background:#fff;border-color:rgba(14,165,233,.4);color:var(--sky);}
  .gs-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:32px;}

  .material-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
  .material-gallery.single{grid-template-columns:minmax(280px,420px);justify-content:center;}
  .material-gallery figure{margin:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow-card);}
  .material-gallery figure img{width:100%; height: auto; object-fit:cover;display:block;}
  .material-gallery figcaption{padding:14px 18px;font-weight:700;font-size:14.5px;color:var(--navy);}
  @media (max-width:700px){.material-gallery{grid-template-columns:1fr;}}

  /* ============ SPEC GRID (category pages without product photography) ============ */
  .spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .spec-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-card);transition:box-shadow .2s var(--ease), transform .2s var(--ease);}
  .spec-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-3px);}
  .spec-card .spec-label{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--sky);margin-bottom:10px;display:block;}
  .spec-card .spec-value{font-size:16px;font-weight:700;color:var(--navy);line-height:1.4;}
  @media (max-width:860px){.spec-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.spec-grid{grid-template-columns:1fr;}}

  /* ============ CONTACT PAGE ============ */
  .contact-page-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start;}
  .info-card{display:flex;align-items:center;gap:16px;padding:20px 22px;border:1px solid var(--border);border-radius:12px;background:#fff;box-shadow:var(--shadow-card);margin-bottom:14px;transition:box-shadow .2s var(--ease), transform .2s var(--ease);}
  .info-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);}
  .info-card .cc-icon{width:46px;height:46px;border-radius:10px;background:var(--surface);display:flex;align-items:center;justify-content:center;flex:none;}
  .info-card .cc-icon svg{width:21px;height:21px;color:var(--navy);}
  .info-card .cc-label{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);display:block;margin-bottom:2px;}
  .info-card .cc-value{font-size:15px;font-weight:700;color:var(--navy);}

  .contact-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:36px;}
  .contact-form h3{font-size:19px;font-weight:800;margin-bottom:6px;}
  .contact-form > p{color:var(--text-muted);font-size:14px;margin:0 0 24px;}
  .form-row{margin-bottom:18px;}
  .form-row label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:8px;}
  .form-row input, .form-row select, .form-row textarea{
    width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:8px;
    font-family:inherit;font-size:14.5px;color:var(--text);background:#fff;
    transition:border-color .2s var(--ease);
  }
  .form-row input:focus, .form-row select:focus, .form-row textarea:focus{outline:none;border-color:var(--sky);}
  .form-row textarea{resize:vertical;min-height:120px;}
  .form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .form-note{font-size:12.5px;color:var(--text-muted);margin-top:14px;}
  @media (max-width:900px){.contact-page-grid{grid-template-columns:1fr;}}
  @media (max-width:600px){.form-grid-2{grid-template-columns:1fr;}}

  /* ============ FOOTER ============ */
  .site-footer{background:var(--navy-dark);color:rgba(255,255,255,.72);padding:70px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.1);}
  .footer-brand img{height:115px;border-radius: 50%; border: 2px solid#ffffff; margin-bottom:18px;}
  .footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.55);max-width:300px;}
  .footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px;}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease);}
  .footer-col a:hover{color:#fff;}
  .footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.62);}
  .footer-contact svg{width:16px;height:16px;color:var(--sky);flex:none;margin-top:2px;}
  .footer-bottom{padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;font-size:13px;color:rgba(255,255,255,.45);}
  .footer-col .footer-chevron-list a{display:flex;align-items:center;gap:8px;}
  .footer-col .footer-chevron-list svg{width:11px;height:11px;color:var(--sky);flex:none;}
  .footer-certs{display:flex;flex-wrap:wrap;gap:20px;align-items:center;padding:32px 0;border-bottom:1px solid rgba(255,255,255,.1);}
  .footer-certs a{background:#fff;border-radius:8px;padding:12px 22px;display:flex;align-items:center;justify-content:center;height:64px;transition:transform .2s var(--ease);}
  .footer-certs a:hover{transform:translateY(-2px);}
  .footer-certs img{max-height:40px;max-width:120px;width:auto;height:auto;object-fit:contain;}
  .footer-bottom-left{display:flex;flex-direction:column;gap:4px;}
  .footer-bottom-nav{display:flex;flex-wrap:wrap;gap:22px;}
  .footer-bottom-nav a{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(255,255,255,.6);transition:color .2s var(--ease);}
  .footer-bottom-nav a:hover{color:#fff;}
  .footer-bottom-nav svg{width:15px;height:15px;color:var(--sky);}
  @media (max-width:700px){.footer-certs{justify-content:center;}.footer-bottom{flex-direction:column;align-items:flex-start;}}
  @media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}