* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    position: relative;
    border: none;
    outline: none;
    font-family: 'Tektur', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #4a6fa5;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 20px;
}

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

.nav-links a:hover {
    color: #4a6fa5;
}

.header-icons {
    display: flex;
    gap: 15px;
}

.header-icon {
    font-size: 20px;
    color: #333;
    cursor: pointer;
    transition: color 0.3s ease;
}

.header-icon:hover {
    color: #4a6fa5;
}

.cart-icon {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #4a6fa5;
    color: white;
    font-size: 12px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    cursor: pointer;
    font-size: 24px;
    color: #333;
}

/* Breadcrumb */
.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
}

.breadcrumb a {
    text-decoration: none;
    color: #4a6fa5;
}

.breadcrumb span {
    color: #888;
    margin: 0 5px;
}

/* Product Section */
.product-section {
    padding: 40px 0;
}

.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 30px;
}

/* Product Gallery */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.main-image {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
}

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

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

.thumbnail-container {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.thumbnail.active {
    opacity: 1;
    border: 2px solid #4a6fa5;
}

.thumbnail:hover {
    opacity: 1;
}

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

/* Product Details */
.product-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-category {
    color: #888;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.stars {
    color: #ffc107;
}

.review-count {
    color: #888;
    font-size: 14px;
}

.product-price {
    font-size: 24px;
    font-weight: 700;
    color: #4a6fa5;
    display: flex;
    align-items: center;
    gap: 10px;
}

.original-price {
    font-size: 18px;
    color: #888;
    text-decoration: line-through;
}

.discount-badge {
    background-color: #ff4d4d;
    color: white;
    font-size: 14px;
    padding: 3px 8px;
    border-radius: 4px;
}

.product-description {
    color: #555;
    line-height: 1.6;
    margin-bottom: 10px;
}

.product-features {
    list-style: none;
    margin-bottom: 20px;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: #555;
}

.product-features i {
    color: #4a6fa5;
}

.product-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.option-label {
    font-weight: 600;
    margin-bottom: 5px;
}

.color-options {
    display: flex;
    gap: 10px;
}

.color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.color-option.active {
    transform: scale(1.2);
    box-shadow: 0 0 0 2px white, 0 0 0 4px #4a6fa5;
}

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

.black {
    background-color: #333;
}

.white {
    background-color: #fff;
    border: 1px solid #ddd;
}

.blue {
    background-color: #4a6fa5;
}

.red {
    background-color: #ff4d4d;
}

.quantity-selector {
    display: flex;
    align-items: center;
    width: fit-content;
    border: 1px solid #ddd;
    border-radius: 6px;
    overflow: hidden;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    background-color: #f5f5f5;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.quantity-btn:hover {
    background-color: #e0e0e0;
}

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    font-size: 16px;
    border: none;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.btn {
    padding: 12px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
}

.btn-primary {
    background-color: #4a6fa5;
    color: white;
    flex: 1;
}

.btn-primary:hover {
    background-color: #3a5b87;
}

.btn-outline {
    background-color: transparent;
    color: #4a6fa5;
    border: 2px solid #4a6fa5;
}

.btn-outline:hover {
    background-color: #4a6fa5;
    color: white;
}

.product-meta {
    margin-top: 20px;
    font-size: 14px;
    color: #888;
}

.product-meta span {
    color: #333;
}

/* Tabs Section */
.tabs-section {
    margin-top: 40px;
}

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

.tab {
    padding: 15px 25px;
    cursor: pointer;
    font-weight: 600;
    color: #888;
    transition: all 0.3s ease;
}

.tab.active {
    color: #4a6fa5;
    border-bottom: 3px solid #4a6fa5;
}

.tab:hover {
    color: #4a6fa5;
}

.tab-content {
    padding: 30px 0;
    display: none;
}

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

.specifications {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.spec-group {
    margin-bottom: 20px;
}

.spec-group h4 {
    margin-bottom: 10px;
    color: #4a6fa5;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.spec-name {
    color: #555;
}

.spec-value {
    font-weight: 500;
}

.review {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.review-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.review-content {
    flex: 1;
}

.review-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.review-author {
    font-weight: 600;
}

.review-date {
    color: #888;
    font-size: 14px;
}

.review-text {
    color: #555;
    line-height: 1.6;
    margin-bottom: 10px;
}

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

.section-title {
    font-size: 24px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card-image {
    height: 200px;
    overflow: hidden;
}

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

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

.product-card-content {
    padding: 15px;
}

.product-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.product-card-price {
    font-size: 18px;
    font-weight: 700;
    color: #4a6fa5;
    margin-bottom: 10px;
}

.product-card-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}

.product-card-rating .stars {
    font-size: 12px;
}

.product-card-rating .count {
    font-size: 12px;
    color: #888;
}

.product-card-actions {
    display: flex;
    justify-content: space-between;
}

.add-to-cart {
    background-color: #4a6fa5;
    color: white;
    border-radius: 6px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.add-to-cart:hover {
    background-color: #3a5b87;
}

.wishlist {
    background-color: #f5f5f5;
    color: #333;
    border-radius: 6px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wishlist:hover {
    background-color: #ff4d4d;
    color: white;
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    padding: 60px 0 30px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #4a6fa5;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    color: #4a6fa5;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #4a6fa5;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: #888;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #4a6fa5;
    color: white;
    padding: 15px 20px;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification i {
    font-size: 20px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .product-container {
        grid-template-columns: 1fr;
    }

    .product-gallery {
        order: 1;
    }

    .product-details {
        order: 2;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }

    .nav-links {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 15px;
        flex-direction: column;
    }

    .nav-links.active {
        display: flex;
    }

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

    .main-image {
        height: 300px;
    }

    .product-actions {
        flex-direction: column;
    }

    .tabs {
        flex-direction: column;
        border-bottom: none;
    }

    .tab {
        border-bottom: 1px solid #ddd;
    }

    .tab.active {
        border-bottom: 1px solid #4a6fa5;
    }
}

@media (max-width: 576px) {
    .thumbnail-container {
        justify-content: center;
    }

    .product-price {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .specifications {
        grid-template-columns: 1fr;
    }

    .review {
        flex-direction: column;
        align-items: flex-start;
    }
}