/* ============================================
   Tech Zone - Homepage Styles
   ============================================ */

/* Top Bar */
.top-bar {
    background: var(--color-secondary);
    color: var(--color-text-white);
    padding: var(--space-sm) 0;
    font-size: 0.875rem;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left,
.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-white);
    opacity: 0.9;
}

.top-bar-item:hover {
    opacity: 1;
}

.admin-link {
    background: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

/* Header */
.header {
    background: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    padding: var(--space-md) 0;
}

.logo {
    flex-shrink: 0;
}

.logo-img {
    height: 50px;
    width: auto;
}

/* Search Bar */
.search-bar {
    flex: 1;
    max-width: 600px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-xl) var(--space-md) var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.search-input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.search-btn {
    position: absolute;
    right: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-top: var(--space-xs);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 50;
}

.search-suggestions.active {
    display: block;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-action {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.header-action:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.action-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--color-error);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-total {
    font-weight: 600;
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* Main Navigation */
.main-nav {
    border-top: 1px solid var(--color-border);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
    font-weight: 500;
    color: var(--color-text-primary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: -200px;
    width: 800px;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    z-index: 100;
}

.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.mega-menu-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.mega-menu-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.mega-menu-column a {
    color: var(--color-text-primary);
    font-size: 0.95rem;
}

.mega-menu-column a:hover {
    color: var(--color-primary);
}

.mega-menu-column.featured img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

/* Hero Section */
.hero {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.6) 50%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.hero-title {
    color: white;
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: var(--space-md);
    max-width: 600px;
}

.hero-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    max-width: 500px;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

.hero-dots {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 3;
}

.hero-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.hero-dots .dot.active {
    background: white;
    width: 30px;
    border-radius: 6px;
}

/* Features Bar */
.features-bar {
    background: var(--color-bg-secondary);
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--color-primary-lighter);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

.section-tabs {
    display: flex;
    gap: var(--space-xs);
    background: var(--color-bg-tertiary);
    padding: var(--space-xs);
    border-radius: var(--radius-md);
}

.tab-btn {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: var(--transition-base);
}

.tab-btn.active {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* Categories Section */
.categories {
    padding: var(--space-3xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-lg);
}

.category-card {
    text-align: center;
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.category-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.category-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: var(--color-primary-lighter);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.category-icon img {
    width: 60%;
    height: 60%;
    object-fit: contain;
}

.category-name {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.category-count {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Products Section */
.products {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.products-footer {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* AI Recommendations */
.ai-recommendations {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    color: white;
}

.ai-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(14, 165, 233, 0.2);
    color: var(--color-primary-light);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.ai-recommendations .section-title {
    color: white;
}

.ai-recommendations .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.ai-recommendations .card {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.ai-recommendations .card-title,
.ai-recommendations .price-current {
    color: white;
}

/* Deals Section */
.deals {
    padding: var(--space-3xl) 0;
}

.deals-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-lg);
}

.deal-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 300px;
}

.deal-card.large {
    height: 100%;
    min-height: 300px;
}

.deal-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.deal-content {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-xl);
    color: white;
}

.deal-tag {
    display: inline-block;
    background: var(--color-error);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
    width: fit-content;
}

.deal-content h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.deal-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-md);
}

/* Brands Section */
.brands {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.brands-slider {
    overflow: hidden;
    margin-top: var(--space-xl);
}

.brands-track {
    display: flex;
    gap: var(--space-2xl);
    animation: scroll-brands 20s linear infinite;
}

.brand-item {
    flex-shrink: 0;
    padding: var(--space-lg) var(--space-2xl);
    background: white;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

@keyframes scroll-brands {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Newsletter */
.newsletter {
    padding: var(--space-3xl) 0;
    background: var(--color-primary);
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
}

.newsletter-text {
    color: white;
}

.newsletter-text h2 {
    color: white;
    margin-bottom: var(--space-sm);
}

.newsletter-text p {
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    flex: 1;
    max-width: 500px;
}

.newsletter-form .form-input {
    flex: 1;
    border: none;
}

.newsletter-form .btn {
    background: var(--color-secondary);
    color: white;
}

.newsletter-form .btn:hover {
    background: var(--color-secondary-light);
}

/* Footer */
.footer {
    background: var(--color-secondary);
    color: white;
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-logo-img {
    height: 40px;
    margin-bottom: var(--space-md);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
}

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: white;
}

.footer-contact h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.footer-payments {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.payment-icon {
    height: 24px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.7;
}

/* Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: white;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
    box-shadow: var(--shadow-xl);
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.cart-header h3 {
    font-size: 1.25rem;
}

.cart-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
}

.cart-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
}

.cart-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item-price {
    color: var(--color-primary);
    font-weight: 600;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.quantity-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.quantity-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.cart-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
}

.cart-total-amount {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.25rem;
}

.cart-footer .btn {
    width: 100%;
    margin-bottom: var(--space-sm);
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    z-index: 2;
}

.modal-close:hover {
    background: var(--color-error);
    color: white;
}

.modal-body {
    padding: var(--space-2xl);
}

/* Responsive */
@media (max-width: 1024px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .deals-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .deal-card.large {
        grid-column: span 2;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-bar-left {
        display: none;
    }
    
    .header-content {
        flex-wrap: wrap;
    }
    
    .search-bar {
        order: 3;
        flex-basis: 100%;
        max-width: none;
        margin-top: var(--space-md);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        display: none;
    }
    
    .hero {
        height: 400px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .deals-grid {
        grid-template-columns: 1fr;
    }
    
    .deal-card.large {
        grid-column: span 1;
    }
    
    .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        width: 100%;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
    }
}