:root{--primary:#1a1a2e;--primary-light:#16213e;--accent:#e94560;--accent-hover:#c81d45;--gold:#d4a574;--text:#1a1a1a;--text-light:#6b7280;--bg:#fff;--bg-light:#f8f9fa;--border:#e5e7eb;--success:#10b981;--warning:#f59e0b;--error:#ef4444;--radius:8px;--radius-lg:12px;--shadow:0 1px 3px rgba(0,0,0,.08);--shadow-lg:0 10px 30px rgba(0,0,0,.1);--transition:all .3s ease}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:var(--transition);text-align:center;justify-content:center;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:#fff}
.btn-accent{background:var(--gold);color:#fff}
.btn-sm{padding:8px 16px;font-size:13px}.btn-lg{padding:16px 32px;font-size:16px}.btn-full{width:100%}
.btn-icon{background:none;border:none;cursor:pointer;padding:8px;color:var(--text-light);transition:var(--transition)}.btn-icon:hover{color:var(--accent)}

/* Top Bar */
.top-bar{background:var(--primary);color:#fff;padding:8px 0;font-size:13px}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.top-bar-left{display:flex;gap:20px}.top-bar-left i{color:var(--gold);margin-right:4px}
.top-bar-right{display:flex;gap:12px;align-items:center}
.currency-switcher select,.lang-switcher select{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:4px;padding:4px 8px;font-size:12px;cursor:pointer}

/* Header */
.main-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.logo{font-size:24px;font-weight:800;color:var(--primary);flex-shrink:0}.logo .accent{color:var(--accent)}
.nav-menu{flex:1;display:flex;gap:2px;align-items:center;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nav-menu::-webkit-scrollbar{display:none}
.nav-categories{display:flex;gap:2px;align-items:center;white-space:nowrap}
.nav-menu .nav-item{position:relative;flex-shrink:0}
.nav-menu a{padding:8px 12px;border-radius:var(--radius);font-weight:500;font-size:14px;color:var(--text);display:block;transition:var(--transition)}
.nav-menu a:hover{background:var(--bg-light);color:var(--accent)}
.dropdown-menu{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:200px;box-shadow:var(--shadow-lg);border-radius:var(--radius);z-index:50;overflow:hidden}
.nav-item:hover .dropdown-menu{display:block}
.dropdown-menu a{padding:10px 16px;font-size:13px;border-bottom:1px solid var(--bg-light)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-form{display:flex;border:1px solid var(--border);border-radius:24px;overflow:hidden}
.search-form input{border:none;padding:8px 16px;font-size:14px;outline:none;min-width:200px}
.search-form button{background:var(--accent);color:#fff;border:none;padding:8px 16px;cursor:pointer}
.header-icon{position:relative;font-size:20px;color:var(--text)}.header-icon:hover{color:var(--accent)}
.cart-count{position:absolute;top:-8px;right:-8px;background:var(--accent);color:#fff;font-size:11px;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.mobile-menu-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;padding:4px}.nav-close{display:none}

/* Overlay for mobile menu */
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999}
.nav-overlay.active{display:block}

/* Hero */
.hero{background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);color:#fff;padding:80px 0}
.hero-content{max-width:600px}.hero-content h1{font-size:48px;font-weight:800;line-height:1.2;margin-bottom:16px}
.hero-content .accent{color:var(--gold)}.hero-content p{font-size:18px;opacity:.9;margin-bottom:32px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}.hero-actions .btn-outline{border-color:#fff;color:#fff}.hero-actions .btn-outline:hover{background:#fff;color:var(--primary)}

/* Sections */
.section-title{font-size:28px;font-weight:700;text-align:center;margin-bottom:40px}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}
.section-header .section-title{margin-bottom:0;text-align:left}
.view-all{color:var(--accent);font-weight:600;font-size:14px}.view-all:hover{text-decoration:underline}

/* Brand Grid */
.brand-grid{padding:60px 0}
.brands-carousel{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}
.brand-card{display:flex;flex-direction:column;align-items:center;padding:24px 16px;border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);text-align:center}
.brand-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}
.brand-placeholder{width:60px;height:60px;background:var(--bg-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:var(--primary);margin-bottom:12px}
.brand-name{font-size:13px;font-weight:600;margin-top:8px}

/* Product Sections */
.featured-section,.new-arrivals-section,.bestsellers-section,.related-products{padding:60px 0}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.product-card{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);background:#fff}
.product-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.product-image{display:block;position:relative;aspect-ratio:1;overflow:hidden;background:var(--bg-light)}
.product-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .product-image img{transform:scale(1.05)}
.product-placeholder{display:flex;align-items:center;justify-content:center;height:100%;font-size:48px;color:var(--border)}
.badge{position:absolute;top:12px;left:12px;padding:4px 10px;border-radius:4px;font-size:12px;font-weight:700}
.badge-sale{background:var(--accent);color:#fff}.badge-new{background:var(--success);color:#fff}
.product-info{padding:16px}
.product-name{font-size:14px;font-weight:500;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-name a:hover{color:var(--accent)}
.product-price{margin-bottom:12px}
.price{font-size:18px;font-weight:700;color:var(--accent)}
.original-price{font-size:14px;color:var(--text-light);text-decoration:line-through;margin-left:8px}
.product-actions{display:flex;gap:8px}
.product-actions .btn-sm{flex:1;background:var(--primary);color:#fff;font-size:12px}.product-actions .btn-sm:hover{background:var(--accent)}

/* Category Page */
.category-page{padding:40px 0}
.category-layout{display:grid;grid-template-columns:260px 1fr;gap:32px}
.category-sidebar{border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;height:fit-content;position:sticky;top:100px}
.category-sidebar h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--accent)}
.sidebar-category>a{display:block;padding:8px 12px;border-radius:var(--radius);font-size:14px;font-weight:500}
.sidebar-category>a:hover,.sidebar-category>a.active{background:var(--bg-light);color:var(--accent)}
.sidebar-subcategories{padding-left:16px}.sidebar-subcategories a{display:block;padding:6px 12px;font-size:13px;color:var(--text-light)}
.category-toolbar{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:24px;flex-wrap:wrap;gap:8px}
.product-count{color:var(--text-light);font-size:14px}
.sort-options select{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px}

/* Product Detail Page */
.product-page{padding:40px 0}
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-bottom:48px}
.gallery-main{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:12px;background:var(--bg-light)}
.gallery-main img{width:100%;aspect-ratio:1;object-fit:contain}
.product-placeholder-lg{display:flex;align-items:center;justify-content:center;aspect-ratio:1;font-size:64px;color:var(--border)}
.gallery-thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.thumb{width:72px;height:72px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;overflow:hidden;flex-shrink:0;opacity:.7;transition:var(--transition)}
.thumb.active,.thumb:hover{border-color:var(--accent);opacity:1}
.thumb img{width:100%;height:100%;object-fit:cover}
.product-share{margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.product-share span{font-size:14px;color:var(--text-light)}
.share-btn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bg-light);color:var(--text-light)}.share-btn:hover{background:var(--accent);color:#fff}
.product-info-detail{min-width:0}
.product-title{font-size:28px;font-weight:700;line-height:1.3;margin-bottom:12px}
.product-rating{display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.stars .fa-star{color:#ddd;font-size:14px}.stars .fa-star.filled{color:#f59e0b}
.product-price-detail{margin-bottom:16px;display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.current-price{font-size:32px;font-weight:800;color:var(--accent)}
.discount-badge{background:var(--accent);color:#fff;padding:4px 10px;border-radius:4px;font-size:13px;font-weight:600}
.product-meta{margin-bottom:24px}.meta-item{padding:8px 0;font-size:14px;color:var(--text-light)}.meta-item i{color:var(--success);margin-right:8px}
.sku-selector{margin-bottom:24px}.sku-selector label{font-weight:600;margin-bottom:8px;display:block}
.sku-options{display:flex;flex-wrap:wrap;gap:8px}
.sku-option{border:2px solid var(--border);border-radius:var(--radius);padding:12px;cursor:pointer;text-align:center;min-width:80px;transition:var(--transition)}
.sku-option:hover,.sku-option.selected{border-color:var(--accent)}
.sku-option img{width:40px;height:40px;object-fit:cover;border-radius:4px;margin:0 auto 4px}
.product-actions-detail{display:flex;gap:12px;margin-bottom:16px;align-items:center;flex-wrap:wrap}
.quantity-selector{display:flex;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;flex-shrink:0}
.quantity-selector button{background:var(--bg-light);border:none;padding:12px 16px;cursor:pointer;font-size:16px;-webkit-tap-highlight-color:transparent}
.quantity-selector input{border:none;text-align:center;width:50px;font-size:16px}.quantity-selector input:focus{outline:none}
.product-actions-detail .btn-primary{flex:1;min-width:140px}
.product-actions-detail .btn-outline{flex-shrink:0}
.trust-badges{display:flex;gap:16px;margin-top:24px;padding-top:24px;border-top:1px solid var(--border);flex-wrap:wrap}
.trust-badge{font-size:13px;color:var(--text-light)}.trust-badge i{color:var(--success);margin-right:4px}

/* Product Description Tabs */
.product-description{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:48px}
.tab-nav{display:flex;border-bottom:2px solid var(--border);background:var(--bg-light);overflow-x:auto;-webkit-overflow-scrolling:touch}
.tab-btn{padding:16px 24px;border:none;background:none;font-weight:600;cursor:pointer;font-size:15px;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;-webkit-tap-highlight-color:transparent}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab-content{display:none;padding:24px}.tab-content.active{display:block}
.tab-content img{max-width:100%;height:auto;border-radius:var(--radius);margin:8px 0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(233,69,96,.1)}

/* Cart & Checkout */
.cart-page,.checkout-page,.auth-page,.search-result,.faq-page,.account-page,.contact-page{padding:40px 0}
.page-title{font-size:32px;font-weight:700;margin-bottom:32px}
.empty-cart{text-align:center;padding:80px 0}.empty-cart i{font-size:64px;color:var(--border);margin-bottom:16px}
.cart-layout{display:grid;grid-template-columns:1fr 360px;gap:32px}
.cart-item{display:flex;align-items:center;gap:16px;padding:20px;border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:12px}
.cart-item-image{width:100px;height:100px;flex-shrink:0;border-radius:var(--radius);overflow:hidden}
.cart-item-image img{width:100%;height:100%;object-fit:cover}
.cart-item-info{flex:1;min-width:0}.cart-item-info h3{font-size:15px;margin-bottom:4px}.cart-item-price{font-weight:700;color:var(--accent)}
.cart-item-quantity{display:flex;align-items:center;gap:8px}
.cart-item-quantity button{width:32px;height:32px;border:1px solid var(--border);border-radius:4px;background:var(--bg-light);cursor:pointer}
.cart-item-total{font-weight:700;font-size:16px;min-width:80px;text-align:right}
.cart-item-remove{color:var(--text-light)}.cart-item-remove:hover{color:var(--error)}
.cart-summary,.checkout-summary{border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;position:sticky;top:100px}
.cart-summary h2,.checkout-summary h2{font-size:20px;margin-bottom:20px}
.summary-row{display:flex;justify-content:space-between;padding:8px 0}
.summary-row.total{border-top:2px solid var(--primary);padding-top:16px;margin-top:8px;font-weight:700;font-size:18px}
.checkout-layout{display:grid;grid-template-columns:1fr 400px;gap:32px}
.payment-options{display:flex;flex-direction:column;gap:12px}
.payment-option{display:flex;align-items:center;gap:12px;padding:16px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer}
.payment-option:has(input:checked){border-color:var(--accent);background:rgba(233,69,96,.02)}
.payment-option input[type="radio"]{accent-color:var(--accent)}
.checkout-item{display:flex;justify-content:space-between;padding:8px 0;font-size:14px}

/* Auth */
.auth-form-wrapper{max-width:440px;margin:0 auto;text-align:center}
.auth-form-wrapper h1{font-size:28px;margin-bottom:8px}
.auth-subtitle{color:var(--text-light);margin-bottom:32px}
.auth-links{margin-top:20px;font-size:14px}.auth-links a{color:var(--accent);display:block;margin:4px 0}

/* Breadcrumbs */
.breadcrumbs{padding:16px 0;font-size:14px;color:var(--text-light);overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
.breadcrumbs a{color:var(--text-light)}.breadcrumbs a:hover{color:var(--accent)}.breadcrumbs span{margin:0 8px}

/* Why Us */
.why-us{padding:60px 0;background:var(--bg-light)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{text-align:center;padding:32px 20px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.feature-card i{font-size:36px;color:var(--accent);margin-bottom:16px}.feature-card h3{font-size:16px;margin-bottom:8px}.feature-card p{font-size:14px;color:var(--text-light)}

/* Newsletter */
.newsletter-section{padding:60px 0;background:var(--primary);color:#fff}
.newsletter-inner{text-align:center;max-width:500px;margin:0 auto}
.newsletter-inner h2{font-size:28px;margin-bottom:8px}.newsletter-inner p{opacity:.8;margin-bottom:24px}
.newsletter-form{display:flex;gap:8px;max-width:400px;margin:0 auto}
.newsletter-form input{flex:1;padding:12px 16px;border:none;border-radius:var(--radius);font-size:14px}

/* Floating Social */
.social-floating{position:fixed;left:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;z-index:50}
.social-floating a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:50%;font-size:16px}

/* Chat Widget */
.chat-widget{position:fixed;bottom:24px;right:24px;z-index:1000}
.chat-toggle{width:60px;height:60px;border-radius:50%;background:var(--accent);color:#fff;border:none;font-size:24px;cursor:pointer;box-shadow:var(--shadow-lg)}
.chat-window{position:absolute;bottom:72px;right:0;width:380px;max-height:520px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden}
.chat-header{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--primary);color:#fff}
.chat-header button{background:none;border:none;color:#fff;font-size:20px;cursor:pointer}
.chat-messages{flex:1;padding:16px;overflow-y:auto;max-height:300px}
.chat-suggestions{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 8px}
.chat-input{display:flex;border-top:1px solid var(--border)}
.chat-input input{flex:1;border:none;padding:12px;font-size:14px;outline:none}
.chat-input button{background:var(--accent);color:#fff;border:none;padding:12px 16px;cursor:pointer}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;padding:32px 0;flex-wrap:wrap}
.page-btn{padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px}
.page-btn.active,.page-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

/* Alerts */
.alert{padding:16px 20px;border-radius:var(--radius);margin:16px 0;font-size:14px}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* Footer */
.main-footer{background:var(--primary);color:#fff;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 2fr;gap:40px;margin-bottom:40px}
.footer-col h3{font-size:16px;margin-bottom:16px;color:var(--gold)}
.footer-col a{display:block;font-size:14px;opacity:.8;padding:4px 0}.footer-col a:hover{opacity:1;color:var(--gold)}
.footer-col p{font-size:14px;opacity:.7;line-height:1.6}
.footer-social{display:flex;gap:12px;margin-top:16px}
.footer-social a{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border-radius:50%;font-size:16px}
.footer-social a:hover{background:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;text-align:center;font-size:13px;opacity:.6}

/* Static Pages */
.static-page{padding:60px 0;max-width:800px;margin:0 auto}
.static-page h1{font-size:32px;margin-bottom:24px}.static-page h2{font-size:22px;margin:24px 0 12px}
.static-page p{margin-bottom:16px;line-height:1.8;color:var(--text-light)}
.faq-category{margin-bottom:32px}.faq-category h2{font-size:20px;margin-bottom:16px;color:var(--primary)}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden}
.faq-question{padding:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;background:var(--bg-light)}
.faq-question:hover{color:var(--accent)}
.faq-answer{padding:0 16px;max-height:0;overflow:hidden;transition:max-height .3s}
.faq-item.open .faq-answer{max-height:500px;padding:16px}
.order-success{text-align:center;padding:80px 0}.order-success i{font-size:64px;color:var(--success);margin-bottom:16px}
.track-form{max-width:500px;margin:40px auto;text-align:center}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}

/* Reviews */
.review-form{margin-bottom:32px;padding:24px;border:1px solid var(--border);border-radius:var(--radius-lg)}
.review-form h3{margin-bottom:16px}
.reviews-summary{text-align:center;margin-bottom:24px}
.rating-big{font-size:48px;font-weight:800;color:var(--accent)}
.reviews-list{border-top:1px solid var(--border);padding-top:24px}
.review-item{padding:16px 0;border-bottom:1px solid var(--bg-light)}
.review-header{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.review-date{color:var(--text-light);font-size:13px}
.review-item h4{margin-bottom:4px}
.review-item p{color:var(--text-light);line-height:1.6}
.desc-images{margin-top:16px}
.desc-images img{width:100%;border-radius:var(--radius);margin:8px 0}

/* ============================================
   RESPONSIVE: Tablet (max-width: 1024px)
   ============================================ */
@media(max-width:1024px){
    .category-layout,.product-detail,.cart-layout,.checkout-layout{grid-template-columns:1fr}
    .category-sidebar{position:static;order:-1}
    .footer-grid{grid-template-columns:1fr 1fr}
    .features-grid{grid-template-columns:1fr 1fr}
    .contact-grid{grid-template-columns:1fr}
    .product-detail{gap:24px}
    .hero{padding:60px 0}
    .hero-content h1{font-size:36px}
    .hero-content p{font-size:16px}
    .product-title{font-size:24px}
    .current-price{font-size:28px}
    /* Nav: compact horizontal on tablet */
    .nav-categories{gap:0}
    .nav-menu a{padding:8px 8px;font-size:13px}
    .search-form input{min-width:140px}
}

/* ============================================
   RESPONSIVE: Mobile (max-width: 768px)
   ============================================ */
@media(max-width:768px){
    .container{padding:0 16px}

    /* Top Bar */
    .top-bar .container{justify-content:center}
    .top-bar-left{display:none}
    .top-bar-right{margin:0 auto}

    /* Header */
    .header-inner{flex-wrap:wrap;gap:8px;padding:10px 0}
    .mobile-menu-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius);background:var(--bg-light);order:-1}
    .nav-menu{display:none;position:fixed;top:0;left:0;width:280px;height:100vh;background:#fff;z-index:1001;padding:0;box-shadow:var(--shadow-lg);overflow-y:auto;transition:transform .3s ease;transform:translateX(-100%);flex-direction:column}
    .nav-menu.active{display:flex;transform:translateX(0)}
    .nav-categories{flex-direction:column;width:100%;padding:16px 0;gap:0}
    .nav-close{display:block;font-size:28px;cursor:pointer;text-align:right;margin:0;padding:16px 20px 8px;color:var(--text-light);border-bottom:1px solid var(--border)}
    .nav-menu .nav-item{display:block;width:100%;border-bottom:1px solid var(--bg-light)}
    .nav-menu .nav-item>a{padding:14px 20px;font-size:15px;font-weight:500}
    .dropdown-menu{display:none;position:static;box-shadow:none;border-radius:0;margin:0;padding-left:20px;background:var(--bg-light)}
    .nav-item:hover .dropdown-menu{display:none}
    .nav-item.open .dropdown-menu{display:block}
    .dropdown-menu a{padding:12px 20px;font-size:14px;border-bottom:1px solid var(--border)}
    .search-form{order:1;flex:1 1 100%;min-width:0}
    .search-form input{min-width:0;flex:1}
    .header-actions{gap:8px;flex-shrink:0}
    .header-icon{font-size:18px}

    /* Hero */
    .hero{padding:40px 0}
    .hero-content h1{font-size:28px}
    .hero-content p{font-size:15px;margin-bottom:24px}
    .hero-actions{flex-direction:column;gap:12px}
    .hero-actions .btn{width:100%;text-align:center}

    /* Product Grid */
    .product-grid{grid-template-columns:repeat(2,1fr);gap:12px}
    .product-card:hover{transform:none}
    .product-info{padding:12px}
    .product-name{font-size:13px}
    .price{font-size:16px}
    .original-price{font-size:12px}
    .product-actions .btn-sm{padding:6px 10px;font-size:11px}

    /* Sections */
    .section-title{font-size:22px;margin-bottom:24px}
    .featured-section,.new-arrivals-section,.bestsellers-section,.related-products,.brand-grid,.why-us,.newsletter-section{padding:40px 0}
    .features-grid{grid-template-columns:1fr 1fr}
    .feature-card{padding:24px 16px}
    .feature-card i{font-size:28px}

    /* Category Page */
    .category-page{padding:24px 0}
    .category-layout{gap:16px}
    .category-sidebar{padding:16px}
    .category-toolbar{padding:12px 0}
    .product-count{font-size:13px}

    /* Product Detail */
    .product-page{padding:24px 0}
    .product-detail{gap:20px;margin-bottom:32px}
    .product-title{font-size:20px;margin-bottom:8px}
    .current-price{font-size:24px}
    .discount-badge{font-size:11px;padding:2px 8px}
    .product-meta{margin-bottom:16px}
    .meta-item{padding:6px 0;font-size:13px}
    .product-actions-detail{flex-direction:column;align-items:stretch}
    .product-actions-detail .btn-primary{width:100%}
    .product-actions-detail .btn-outline{width:100%}
    .product-actions-detail .quantity-selector{align-self:flex-start}
    .sku-option{min-width:70px;padding:8px;font-size:12px}
    .trust-badges{gap:8px}
    .trust-badge{font-size:12px}
    .product-description{margin-bottom:32px}
    .tab-btn{padding:12px 16px;font-size:14px}
    .tab-content{padding:16px}

    /* Cart */
    .cart-item{flex-wrap:wrap;gap:12px;padding:16px}
    .cart-item-image{width:80px;height:80px}
    .cart-item-info{min-width:calc(100% - 96px)}
    .cart-item-total{min-width:auto}

    /* Checkout */
    .checkout-layout{gap:24px}

    /* Footer */
    .footer-grid,.features-grid{grid-template-columns:1fr;gap:24px}
    .footer-col{padding:0}
    .social-floating{display:none}
    .chat-window{width:calc(100vw - 32px);right:-8px;max-height:70vh}

    /* Pagination */
    .pagination{gap:4px}
    .page-btn{padding:8px 12px;font-size:13px}

    /* Breadcrumbs */
    .breadcrumbs{padding:12px 0;font-size:13px}

    /* Forms */
    .form-row{grid-template-columns:1fr}
    .newsletter-form{flex-direction:column}
    .newsletter-form button{width:100%}
}

/* ============================================
   RESPONSIVE: Small Mobile (max-width: 480px)
   ============================================ */
@media(max-width:480px){
    .container{padding:0 12px}
    .logo{font-size:20px}
    .header-icon{font-size:16px}
    .search-form input{padding:6px 10px;font-size:13px}
    .search-form button{padding:6px 10px}
    .nav-menu{width:260px}
    .nav-menu .nav-item>a{padding:12px 16px;font-size:14px}

    .hero-content h1{font-size:24px}
    .hero-content p{font-size:14px}

    .product-grid{grid-template-columns:repeat(2,1fr);gap:8px}
    .product-info{padding:10px}
    .product-name{font-size:12px;-webkit-line-clamp:2}
    .price{font-size:15px}
    .product-actions{flex-direction:column;gap:4px}
    .product-actions .btn-sm{font-size:11px;padding:6px 8px}

    .brands-carousel{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}
    .brand-card{padding:16px 8px}
    .brand-placeholder{width:44px;height:44px;font-size:16px}
    .brand-name{font-size:11px}

    .product-detail{gap:16px}
    .gallery-thumbs{gap:6px}
    .thumb{width:56px;height:56px}
    .product-title{font-size:18px}
    .current-price{font-size:22px}

    .section-title{font-size:20px}
    .features-grid{grid-template-columns:1fr}
    .feature-card{padding:20px 16px}
    .feature-card i{font-size:24px}
    .feature-card h3{font-size:14px}
    .feature-card p{font-size:13px}

    .footer-grid{gap:16px}
    .footer-social{gap:8px}
}