/* Navigation and Footer Styles */

/* ========================================
   HEADER & NAVIGATION
======================================== */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.navbar-brand {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-gray-700);
    padding: 0.5rem;
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-icon {
    position: relative;
    font-size: 1.5rem;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: var(--transition-base);
}

.nav-icon:hover {
    color: var(--color-primary);
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--color-danger);
    color: var(--color-white);
    font-size: 0.625rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    font-size: 1.75rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    z-index: var(--z-modal);
    padding: var(--spacing-xl);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-close {
    font-size: 2rem;
    cursor: pointer;
    margin-bottom: var(--spacing-lg);
}

.mobile-nav .navbar-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h3 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--color-gray-400);
    transition: var(--transition-base);
}

.footer-link:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-800);
    color: var(--color-gray-300);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-icon:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* ========================================
   PRODUCT COMPONENTS
======================================== */
.product-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
}

.product-img-container {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background-color: var(--color-gray-100);
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-actions {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition-base);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-action-btn {
    width: 40px;
    height: 40px;
    background-color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-gray-700);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.product-action-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.product-info {
    padding: var(--spacing-lg);
}

.product-category {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.product-name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.rating-count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.product-price-wrapper {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ========================================
   VARIANT SELECTOR
======================================== */
.variant-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.variant-option {
    width: 80px;
    height: 80px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.variant-option:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.variant-option.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.variant-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.variant-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs);
    text-align: center;
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 768px) {
    .navbar-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-nav {
        display: block;
    }
}