:root{--primary:#003366;--primary-dark:#001f3f;--primary-light:#1b4f72;--primary-gradient:linear-gradient(135deg, #003366 0%, #154360 100%);--accent:#e59866;--accent-gold:#d4ac0d;--accent-cyan:#38bdf8;--text-main:#1f2937;--text-muted:#64748b;--bg-page:#f1f5f9;--bg-card:#ffffff;--border:#e2e8f0;--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.05);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);--radius-sm:6px;--radius-md:10px;--radius-lg:16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,segoe ui,Roboto,helvetica neue,Arial,sans-serif;color:var(--text-main);background-color:var(--bg-page);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-gold)}img{max-width:100%;height:auto;display:block}.site-wrapper{max-width:1200px;margin:0 auto;background-color:var(--bg-card);min-height:100vh;box-shadow:0 0 25px rgba(0,0,0,8%);display:flex;flex-direction:column}.site-header{border-bottom:2px solid var(--accent-gold);background:#fff}.header-top{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;flex-wrap:wrap;gap:15px}.brand-wrapper{display:flex;align-items:center;gap:15px}.brand-logo-img{max-height:75px;width:auto;object-fit:contain}.brand-text h1{font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:.5px;line-height:1.2}.brand-text .company-reg{font-size:.8rem;color:var(--text-muted);font-weight:400}.brand-text p{font-size:.82rem;color:var(--primary-light);margin-top:2px}.header-actions{display:flex;align-items:center;gap:12px}.lang-switcher{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background-color:var(--primary);color:#fff;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;transition:all .2s}.lang-switcher:hover{background-color:var(--accent-gold);color:#000}.cart-indicator-btn{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;background-color:#f1f5f9;border:1px solid var(--border);color:var(--primary);border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s}.cart-indicator-btn:hover{border-color:var(--primary);background-color:#e2e8f0}.cart-badge{background:#e11d48;color:#fff;border-radius:999px;padding:1px 7px;font-size:.75rem;font-weight:700}.nav-bar{background:var(--primary-gradient);position:relative;box-shadow:var(--shadow-sm)}.nav-container{display:flex;align-items:center;justify-content:space-between;padding:0 20px}.mobile-toggle{display:none;background:0 0;border:none;color:#fff;padding:12px 0;font-size:1.1rem;cursor:pointer;align-items:center;gap:8px;font-weight:600}.nav-menu{list-style:none;display:flex;flex-wrap:wrap;gap:0;width:100%}.nav-item a{display:block;padding:12px 16px;color:#fff;font-size:.92rem;font-weight:600;text-transform:uppercase;letter-spacing:.3px;transition:all .2s;border-bottom:3px solid transparent}.nav-item a:hover,.nav-item.active a{background-color:rgba(255,255,255,.12);color:#fef08a;border-bottom-color:var(--accent-gold)}.layout-container{display:grid;grid-template-columns:280px 1fr;gap:30px;padding:24px 20px;flex:1}.sidebar{display:flex;flex-direction:column;gap:24px}.sidebar-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.sidebar-header{background:var(--primary);color:#fff;padding:12px 16px;font-size:.95rem;font-weight:700;letter-spacing:.5px;border-bottom:2px solid var(--accent-gold);display:flex;align-items:center;gap:8px}.sidebar-body{padding:16px}.search-form{display:flex;flex-direction:column;gap:10px}.search-input{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.88rem;background-color:#f8fafc;transition:border-color .2s}.search-input:focus{outline:none;border-color:var(--primary);background-color:#fff}.btn-primary{display:inline-block;background:var(--primary);color:#fff;padding:9px 16px;border:none;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;cursor:pointer;text-align:center;transition:all .2s}.btn-primary:hover{background:var(--primary-light);color:#fff}.btn-accent{background:#eab308;color:#000}.btn-accent:hover{background:#ca8a04;color:#000}.category-nav-list{list-style:none}.category-nav-item{border-bottom:1px solid #f1f5f9}.category-nav-item:last-child{border-bottom:none}.category-nav-link{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;color:var(--text-main);font-size:.88rem;font-weight:500;transition:all .15s}.category-nav-link:hover,.category-nav-item.active>.category-nav-link{background-color:#f1f5f9;color:var(--primary);font-weight:700;padding-left:18px}.subcat-list{list-style:none;background-color:#f8fafc;padding:4px 0 6px 18px;border-top:1px solid #f1f5f9}.subcat-item a{display:block;padding:5px 12px;font-size:.82rem;color:var(--text-muted)}.subcat-item a:hover{color:var(--primary);font-weight:600}.main-content{min-width:0}.content-header{margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.page-title{font-size:1.6rem;font-weight:800;color:var(--primary);letter-spacing:-.3px}.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--text-muted);margin-bottom:16px;flex-wrap:wrap}.breadcrumbs span.separator{color:#94a3b8}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:30px}.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:all .25s ease;position:relative}.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cbd5e1}.product-thumb-wrap{width:100%;height:200px;background-color:#f8fafc;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border-bottom:1px solid #f1f5f9}.product-thumb-wrap img{max-width:90%;max-height:90%;object-fit:contain;transition:transform .3s ease}.product-card:hover .product-thumb-wrap img{transform:scale(1.05)}.product-code-pill{position:absolute;top:10px;right:10px;background:var(--primary);color:#fff;font-size:.75rem;font-weight:700;padding:3px 8px;border-radius:4px;letter-spacing:.5px}.product-body{padding:16px;display:flex;flex-direction:column;flex:1}.product-cat-tag{font-size:.75rem;text-transform:uppercase;color:var(--accent-gold);font-weight:700;margin-bottom:6px;letter-spacing:.5px}.product-name{font-size:.96rem;font-weight:700;color:var(--primary);line-height:1.35;margin-bottom:8px}.product-spec-preview{font-size:.82rem;color:var(--text-muted);line-height:1.45;margin-bottom:16px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.product-actions{display:flex;gap:8px;margin-top:auto}.product-actions .btn{flex:1;font-size:.82rem;padding:7px 10px;text-align:center;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;border:none;transition:all .2s}.btn-details{background-color:#f1f5f9;color:var(--primary);border:1px solid #cbd5e1!important}.btn-details:hover{background-color:var(--primary);color:#fff;border-color:var(--primary)!important}.btn-add-quote{background-color:var(--primary);color:#fff}.btn-add-quote:hover{background-color:var(--accent-gold);color:#000}.product-detail-view{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm)}.product-detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:30px}.product-gallery{display:flex;flex-direction:column;gap:15px}.gallery-main-img{width:100%;height:340px;background-color:#f8fafc;border:1px solid var(--border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;padding:15px}.gallery-main-img img{max-width:100%;max-height:100%;object-fit:contain}.gallery-thumbnails{display:flex;gap:10px;flex-wrap:wrap}.thumb-item{width:70px;height:70px;border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;overflow:hidden;display:flex;align-items:center;justify-content:center;background:#f8fafc;padding:4px}.thumb-item.active,.thumb-item:hover{border-color:var(--primary)}.product-meta h2{font-size:1.4rem;color:var(--primary);font-weight:800;margin-bottom:12px}.meta-row{display:flex;padding:8px 0;border-bottom:1px solid #f1f5f9;font-size:.9rem}.meta-label{width:140px;font-weight:600;color:var(--text-muted)}.meta-value{flex:1;font-weight:600;color:var(--text-main)}.spec-box{background-color:#f8fafc;border-radius:var(--radius-sm);padding:15px;margin:18px 0;font-size:.88rem;line-height:1.7;white-space:pre-line}.contacts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin:20px 0}.contact-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;background:#fff;border-top:4px solid var(--primary);box-shadow:var(--shadow-sm)}.contact-card h3{color:var(--primary);font-size:1.15rem;margin-bottom:4px}.contact-card .contact-role{font-size:.88rem;color:var(--accent-gold);font-weight:700;margin-bottom:14px}.contact-card p{font-size:.88rem;margin-bottom:6px;display:flex;align-items:center;gap:8px}.modern-form{display:flex;flex-direction:column;gap:16px;max-width:650px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.88rem;font-weight:600;color:var(--text-main)}.form-control{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.92rem;background:#fff;font-family:inherit}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,51,102,.1)}.cart-table-wrap{overflow-x:auto;margin-bottom:24px;border:1px solid var(--border);border-radius:var(--radius-md)}.cart-table{width:100%;border-collapse:collapse;text-align:left}.cart-table th{background-color:#f8fafc;padding:12px 16px;font-size:.84rem;font-weight:700;color:var(--primary);border-bottom:2px solid var(--border)}.cart-table td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:.88rem;vertical-align:middle}.site-footer{background:#0f172a;color:#cbd5e1;padding:40px 20px 20px;margin-top:auto}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;max-width:1200px;margin:0 auto 30px}.footer-col h4{color:#fff;font-size:1.05rem;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:8px}.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:32px;height:2px;background:var(--accent-gold)}.footer-links{list-style:none}.footer-links li{margin-bottom:8px}.footer-links a{color:#94a3b8;font-size:.88rem;transition:all .2s}.footer-links a:hover{color:#fff;padding-left:4px}.footer-bottom{text-align:center;border-top:1px solid #334155;padding-top:20px;font-size:.82rem;color:#64748b}@media(max-width:992px){.layout-container{grid-template-columns:240px 1fr;gap:20px}.product-detail-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}@media(max-width:768px){.layout-container{grid-template-columns:1fr;padding:16px}.sidebar{order:2}.main-content{order:1}.mobile-toggle{display:flex}.nav-menu{display:none;flex-direction:column;width:100%;padding-bottom:10px}.nav-menu.active{display:flex}.nav-item a{padding:10px 14px;border-bottom:none;border-left:4px solid transparent}.nav-item a:hover,.nav-item.active a{border-left-color:var(--accent-gold);border-bottom-color:transparent}.header-top{flex-direction:column;align-items:flex-start}.header-actions{width:100%;justify-content:space-between}.product-grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}.product-thumb-wrap{height:160px}.footer-grid{grid-template-columns:1fr;gap:25px}}@media(max-width:480px){.product-grid{grid-template-columns:1fr}}