/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: #2563eb;
    font-weight: 700;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
}

.nav-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-icons a {
    color: #333;
    font-size: 1.2rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-icons a:hover {
    color: #2563eb;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 50%;
    font-weight: 600;
}

/* Breadcrumb Styles */
.breadcrumb {
    padding: 100px 0 20px;
    background: #f8fafc;
    border-bottom: 1px solid #e5e7eb;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: #6b7280;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-nav a:hover {
    color: #2563eb;
}

.breadcrumb-nav i {
    color: #9ca3af;
    font-size: 0.8rem;
}

.breadcrumb-nav span {
    color: #1f2937;
    font-weight: 500;
}

/* Product Detail Section */
.product-detail-section {
    padding: 60px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Product Images */
.product-images {
    position: sticky;
    top: 120px;
}

.main-image {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.thumbnail-images {
    display: flex;
    gap: 0.5rem;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    object-fit: cover;
}

.thumbnail:hover {
    border-color: #2563eb;
}

.thumbnail.active {
    border-color: #2563eb;
}

/* Product Info Detail */
.product-info-detail {
    padding: 0 1rem;
}

.product-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.product-rating-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.stars {
    display: flex;
    gap: 0.2rem;
}

.stars i {
    color: #fbbf24;
    font-size: 1rem;
}

.rating-text {
    font-weight: 600;
    color: #1f2937;
}

.review-count {
    color: #6b7280;
    font-size: 0.9rem;
}

.product-price-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.current-price-large {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2563eb;
}

.original-price-large {
    font-size: 1.5rem;
    color: #9ca3af;
    text-decoration: line-through;
}

.discount-badge {
    background: #ef4444;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.product-description-detail {
    margin-bottom: 2rem;
}

.product-description-detail p {
    font-size: 1.1rem;
    color: #4b5563;
    line-height: 1.7;
}

/* Product Options */
.product-options {
    margin-bottom: 2rem;
}

.option-group {
    margin-bottom: 1.5rem;
}

.option-group label {
    display: block;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.color-options {
    display: flex;
    gap: 0.5rem;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #e5e7eb;
    cursor: pointer;
    transition: all 0.3s ease;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.active {
    border-color: #2563eb;
    transform: scale(1.1);
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    width: fit-content;
}

.qty-btn {
    background: #f9fafb;
    border: none;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.qty-btn:hover {
    background: #e5e7eb;
}

#quantity {
    border: none;
    padding: 0.75rem;
    text-align: center;
    width: 60px;
    font-size: 1rem;
    font-weight: 600;
}

#quantity:focus {
    outline: none;
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-outline {
    background: transparent;
    border: 2px solid #e5e7eb;
    color: #6b7280;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.add-to-cart-btn {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.buy-now-btn {
    flex: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.wishlist-btn {
    flex: 0 0 auto;
}

/* Product Features */
.product-features {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.feature-item:last-child {
    margin-bottom: 0;
}

.feature-item i {
    color: #2563eb;
    font-size: 1.1rem;
}

.feature-item span {
    color: #4b5563;
    font-size: 0.95rem;
}

/* Product Tabs Section */
.product-tabs-section {
    padding: 60px 0;
    background: #f8fafc;
}

.tabs-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
}

.tab-btn {
    flex: 1;
    padding: 1.5rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-btn:hover {
    color: #2563eb;
    background: #f8fafc;
}

.tab-btn.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
    background: #f8fafc;
}

.tab-content {
    padding: 2rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.tab-pane h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin: 1.5rem 0 0.75rem 0;
}

.tab-pane p {
    color: #4b5563;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.tab-pane ul {
    list-style: none;
    padding-left: 0;
}

.tab-pane ul li {
    padding: 0.5rem 0;
    color: #4b5563;
    position: relative;
    padding-left: 1.5rem;
}

.tab-pane ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Specifications */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
}

.spec-label {
    font-weight: 600;
    color: #1f2937;
}

.spec-value {
    color: #4b5563;
}

/* Reviews */
.reviews-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.reviews-summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 12px;
}

.overall-rating {
    text-align: center;
}

.rating-number {
    font-size: 3rem;
    font-weight: 700;
    color: #1f2937;
}

.rating-stars {
    display: flex;
    justify-content: center;
    gap: 0.2rem;
    margin: 0.5rem 0;
}

.rating-stars i {
    color: #fbbf24;
    font-size: 1.2rem;
}

.rating-text {
    color: #6b7280;
    font-size: 0.9rem;
}

.rating-bars {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.rating-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.rating-bar span:first-child {
    min-width: 60px;
    color: #1f2937;
}

.rating-bar span:last-child {
    min-width: 30px;
    color: #6b7280;
}

.bar {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.fill {
    height: 100%;
    background: #fbbf24;
    border-radius: 4px;
}

.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.review-item {
    padding: 1.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: white;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.reviewer-info h4 {
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.review-stars {
    display: flex;
    gap: 0.2rem;
}

.review-stars i {
    color: #fbbf24;
    font-size: 0.9rem;
}

.review-date {
    color: #6b7280;
    font-size: 0.9rem;
}

.review-text {
    color: #4b5563;
    line-height: 1.6;
}

/* Shipping & Returns */
.shipping-info,
.returns-info,
.warranty-info {
    margin-bottom: 2rem;
}

.shipping-info h4,
.returns-info h4,
.warranty-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.shipping-info ul,
.returns-info ul {
    list-style: none;
    padding-left: 0;
}

.shipping-info ul li,
.returns-info ul li {
    padding: 0.5rem 0;
    color: #4b5563;
    border-bottom: 1px solid #f3f4f6;
}

.shipping-info ul li:last-child,
.returns-info ul li:last-child {
    border-bottom: none;
}

.warranty-info p {
    color: #4b5563;
    line-height: 1.7;
}

/* Related Products */
.related-products {
    padding: 60px 0;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #ffffff;
    color: #2563eb;
}

.btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.2);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature i {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.feature p {
    color: #6b7280;
}

/* Products Section */
.products-section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #6b7280;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-overlay button {
    background: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #333;
}

.product-overlay button:hover {
    background: #2563eb;
    color: white;
    transform: scale(1.1);
}

.product-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.product-description {
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.current-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: #2563eb;
}

.original-price {
    font-size: 1rem;
    color: #9ca3af;
    text-decoration: line-through;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-rating i {
    color: #fbbf24;
    font-size: 0.9rem;
}

.product-rating span {
    color: #6b7280;
    font-size: 0.9rem;
}

/* Newsletter Section */
.newsletter {
    padding: 80px 0;
    background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f9fafb;
}

.footer-section h3 {
    font-size: 1.5rem;
    color: #2563eb;
}

.footer-section p {
    color: #9ca3af;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: #9ca3af;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #2563eb;
}

.footer-section p i {
    margin-right: 0.5rem;
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-images {
        position: static;
    }
    
    .reviews-summary {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .add-to-cart-btn,
    .buy-now-btn {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .newsletter-content h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .product-header h1 {
        font-size: 2rem;
    }
    
    .current-price-large {
        font-size: 2rem;
    }
    
    .tabs-header {
        flex-direction: column;
    }
    
    .tab-btn {
        flex: none;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.feature,
.product-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Additional Utility Classes */
.text-center {
    text-align: center;
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }