.header{position:sticky;top:0;z-index:1000;background:var(--white);box-shadow:var(--shadow-sm);transition:var(--transition-base)}.header.scrolled{box-shadow:var(--shadow-md)}.topbar{background:var(--accent-color);color:var(--white);height:50px;padding:10px 0;font-size:.875rem}.topbar .container{display:flex;justify-content:space-between;align-items:center}.topbar-left{display:flex;gap:30px;align-items:center}.topbar-item{display:flex;align-items:center;gap:8px;color:var(--white)}.topbar-item i{color:var(--primary-color)}.topbar-item a{color:var(--white);transition:var(--transition-base)}.topbar-item a:hover{color:var(--primary-color)}.topbar-right{display:flex;gap:15px;align-items:center}.social-links{display:flex;gap:12px}.social-link{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:rgb(255 255 255 / .1);color:var(--white);transition:var(--transition-base)}.social-link:hover{background:var(--primary-color);transform:translateY(-2px)}.mainbar{height:80px;display:flex}.mainbar .container{display:flex;justify-content:space-between;align-items:center;gap:30px}.logo{display:flex;align-items:center}.logo img{height:50px;width:auto;transition:var(--transition-base)}.logo:hover img{transform:scale(1.05)}.nav{flex:1;display:flex;height:100%;justify-content:center}.nav-menu{display:flex;height:100%;gap:45px;align-items:center}.nav-item{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center}.nav-link{display:block;padding:10px 0;font-size:1.1rem;font-weight:600;color:var(--text-dark);transition:var(--transition-base);position:relative}.nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-color);transition:width 0.3s ease}.nav-link:hover,.nav-link.active{color:var(--primary-color)}.nav-link:hover::after,.nav-link.active::after{width:100%}.nav-link i{font-size:.75rem;margin-left:4px;transition:transform 0.3s ease}.nav-item:hover .nav-link i{transform:rotate(180deg)}.has-megamenu{position:static}.megamenu{position:absolute;top:100%;left:0;width:100%;background:var(--white);box-shadow:0 15px 30px rgb(0 0 0 / .1);padding:40px 0;opacity:0;visibility:hidden;transform:translateY(10px);pointer-events:none;transition:all 0.3s ease;z-index:999}.has-megamenu:hover .megamenu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}.megamenu-grid{display:grid;grid-template-columns:1fr 3fr;gap:40px}.megamenu-intro h3{font-size:1.5rem;font-weight:700;color:var(--text-dark);margin-bottom:15px}.megamenu-intro p{color:var(--text-medium);margin-bottom:30px;line-height:1.6}.megamenu-features{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.megamenu-feature:first-child{grid-column:span 2}.megamenu-feature{background:#f3f3f3;padding:12px;border-radius:var(--radius-sm);display:flex;align-items:center;gap:10px;transition:var(--transition-base)}.megamenu-feature i{color:var(--primary-color);font-size:.875rem}.megamenu-feature .megamenu-feature-a{font-size:.875rem;width:100%;font-weight:600;color:var(--text-dark)}.megamenu-feature:hover{background:var(--primary-color)}.megamenu-feature:hover i,.megamenu-feature:hover .megamenu-feature-a{color:var(--white)}.megamenu-right{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.mega-product-card{display:flex;flex-direction:column;justify-content:space-between;background:var(--white);border-radius:var(--radius-md);box-shadow:0 0 5px rgb(0 0 0 / .1);overflow:hidden;transition:var(--transition-base);min-width:0;width:100%}.mega-product-image{position:relative;height:200px;overflow:hidden}.mega-product-image img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}.mega-product-badge{position:absolute;top:10px;left:10px;padding:4px 10px;border-radius:var(--radius-sm);font-size:.7rem;font-weight:700;text-transform:uppercase;color:var(--white);background:var(--primary-color);z-index:1}.mega-product-badge.badge-new{background:#28a745}.mega-product-badge.badge-best{background:#dc3545}.mega-product-info{padding:20px}.mega-product-info h4{font-size:1.125rem;font-weight:700;margin-bottom:8px;transition:var(--transition-base)}.mega-product-tags{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}.mega-tag{font-size:.65rem;font-weight:600;padding:2px 8px;background:var(--secondary-color);color:var(--text-medium);border-radius:10px;text-transform:uppercase}.mega-product-info p{font-size:.875rem;color:var(--text-medium);margin-bottom:15px;line-height:1.4}.mega-product-params{margin-bottom:20px}.mega-product-params li{font-size:.8rem;color:var(--text-light);display:flex;align-items:center;gap:6px;margin-bottom:5px}.mega-product-params li i{font-size:.7rem;color:var(--primary-color)}.mega-product-link{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:700;color:var(--text-dark);transition:var(--transition-base)}.mega-product-link i{font-size:.75rem;transition:transform 0.3s ease}.mega-product-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}.mega-product-card:hover .mega-product-image img{transform:scale(1.1)}.mega-product-card:hover .mega-product-info h4{color:var(--primary-color)}.mega-product-card:hover .mega-product-link{color:var(--primary-color)}.mega-product-card:hover .mega-product-link i{transform:translateX(5px)}.header-actions{display:flex;gap:20px;align-items:center}.search-icon,.menu-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:#fff0;color:var(--text-dark);font-size:1.25rem;cursor:pointer;transition:var(--transition-base)}.search-icon:hover,.menu-toggle:hover{background:var(--secondary-color);color:var(--primary-color)}.menu-toggle{display:none}.search-modal{height:130px;position:fixed;top:0;left:0;right:0;background:var(--white);padding:30px 0;box-shadow:var(--shadow-lg);z-index:9998;transform:translateY(-100%);transition:transform 0.4s ease}.search-modal.active{transform:translateY(0)}.search-modal .container{display:flex;align-items:center;gap:20px}.search-form{flex:1;display:flex;gap:15px}.search-input{flex:1;padding:15px 20px;font-size:1.125rem;border:2px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition-base)}.search-input:focus{outline:none;border-color:var(--primary-color)}.search-submit{padding:15px 35px;background:var(--primary-color);color:var(--white);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition-base)}.search-submit:hover{background:var(--primary-dark)}.search-close{width:45px;height:45px;border-radius:50%;background:var(--secondary-color);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text-dark);cursor:pointer;transition:var(--transition-base)}.search-close:hover{background:var(--primary-color);color:var(--white);transform:rotate(90deg)}.mobile-menu{display:none;position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--white);box-shadow:var(--shadow-lg);z-index:9999;padding:80px 30px 30px;transition:right 0.4s ease;overflow-y:auto}.mobile-menu.active{right:0}.mobile-menu .nav-menu{flex-direction:column;gap:0;align-items:stretch}.mobile-menu .nav-link{padding:15px 0;border-bottom:1px solid var(--border-color)}.mobile-menu-close{position:absolute;top:20px;right:20px;width:40px;height:40px;border-radius:50%;background:var(--secondary-color);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--text-dark);cursor:pointer}.mobile-menu-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgb(0 0 0 / .5);z-index:9998;opacity:0;visibility:hidden;transition:var(--transition-base)}.mobile-menu-overlay.active{opacity:1;visibility:visible}@media (max-width:1200px){.megamenu-grid{gap:20px}.megamenu-left{padding-right:20px}.megamenu-intro h3{font-size:1.25rem}}@media (max-width:1024px){.nav-menu{gap:25px}.nav-link{font-size:.95rem}.megamenu-grid{grid-template-columns:1fr;gap:30px}.megamenu-left{border-right:none;border-bottom:1px solid var(--border-color);padding-right:0;padding-bottom:20px}.megamenu-features{grid-template-columns:repeat(4,1fr)}}@media (max-width:768px){.topbar{padding:8px 0;font-size:.8rem;height:auto}.topbar-left{gap:15px}.topbar-item{gap:5px}.social-links{gap:8px}.social-link{width:28px;height:28px;font-size:.875rem}.mainbar{padding:12px 0}.logo img{height:40px}.nav{display:none}.menu-toggle{display:flex}.mobile-menu,.mobile-menu-overlay{display:block}.header-actions .btn{padding:10px 20px;font-size:.875rem}.search-modal{padding:20px 0}.search-input{padding:12px 16px;font-size:1rem}.search-submit{padding:12px 25px;font-size:.95rem}}.nav-menu .menu-item{position:relative;height:100%;display:flex;flex-direction:column;justify-content:center}.nav-menu .menu-item a{padding:15px 0;border-bottom:1px solid var(--border-color)}@media (max-width:480px){.topbar-left{flex-direction:column;gap:5px;align-items:flex-start}.topbar-right{gap:10px}.header-actions .btn{display:none}.megamenu{display:none}.search-form{flex-direction:column}.search-submit{width:100%}}