* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a73e8;
    --secondary-color: #34a853;
    --dark-color: #1f2937;
    --light-color: #f9fafb;
    --text-color: #374151;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

header {
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    width: 45px;
    height: 45px;
    border-radius: 8px;
    object-fit: cover;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    opacity: 0.8;
}

.cart-count {
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    padding: 2px 8px;
    font-size: 0.8rem;
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: #2d9348;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: #1557b0;
    transform: translateY(-2px);
}

.features {
    padding: 80px 0;
    background: var(--light-color);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

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

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
    font-size: 1.3rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-color);
    font-size: 1.1rem;
}

.about-products {
    padding: 80px 0;
    background: white;
}

.about-products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-content p {
    margin-bottom: 1.5rem;
}

.quality-badges {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 1.5rem;
    background: var(--light-color);
    border-radius: 50px;
    font-weight: 600;
    color: var(--dark-color);
}

.badge i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.article-overview {
    padding: 80px 0;
    background: var(--light-color);
}

.article-overview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.overview-list {
    max-width: 900px;
    margin: 0 auto;
    list-style: none;
}

.overview-list li {
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: white;
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
    font-size: 1.1rem;
    line-height: 1.6;
}

.overview-list li strong {
    color: var(--primary-color);
}

.comparison-table {
    padding: 80px 0;
    background: white;
}

.comparison-table h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.table-responsive {
    overflow-x: auto;
    box-shadow: var(--shadow);
    border-radius: 12px;
}

.comparison {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.comparison thead {
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    color: white;
}

.comparison th,
.comparison td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison th {
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison tbody tr:hover {
    background: var(--light-color);
}

.comparison tbody tr:last-child td {
    border-bottom: none;
}

.products {
    padding: 80px 0;
    background: var(--light-color);
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.product-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--light-color);
}

.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-info {
    padding: 1.5rem;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.product-info p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.product-price {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

.product-details {
    padding: 60px 0;
}

.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-detail-image {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-detail-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.product-detail-price {
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.product-detail-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.product-actions .btn {
    flex: 1;
}

.product-features {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.product-features h3 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.product-features ul {
    list-style: none;
}

.product-features ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.product-features ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.specifications {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.specifications h2 {
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.spec-item {
    padding: 1rem;
    background: var(--light-color);
    border-radius: 8px;
}

.spec-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.cart-page,
.checkout-page,
.success-page,
.contact-page,
.about-page {
    padding: 60px 0;
    min-height: 60vh;
}

.page-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-color);
}

.cart-items {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 1.5rem;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
}

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

.cart-item-info h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.cart-item-price {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: flex-end;
}

.quantity-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.quantity-controls button {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
}

.quantity-controls button:hover {
    background: var(--light-color);
}

.quantity-controls span {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
}

.remove-btn {
    background: #ef4444;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.remove-btn:hover {
    background: #dc2626;
}

.cart-summary {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem;
    max-width: 400px;
    margin-left: auto;
}

.cart-summary h3 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-row.total {
    border-top: 2px solid var(--dark-color);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 1rem;
    padding-top: 1rem;
}

.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-cart i {
    font-size: 5rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

.empty-cart p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.checkout-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.success-message {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    color: white;
    font-size: 3rem;
}

.success-message h2 {
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.success-message p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.contact-info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.info-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member img {
    width: 100%;
    max-width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.team-member h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.team-member p:first-of-type {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.about-content-section {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 3rem;
}

.about-content-section h2 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.about-content-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

footer {
    background: var(--dark-color);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

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

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

.contact-info li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.contact-info i {
    margin-top: 0.2rem;
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    padding: 1.5rem;
    z-index: 9999;
    display: none;
}

.cookie-consent.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-text h4 {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.cookie-text p {
    color: var(--text-color);
}

.cookie-text a {
    color: var(--primary-color);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--secondary-color);
    z-index: 9999;
    display: none;
    max-width: 300px;
}

.notification.show {
    display: block;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        display: none;
    }

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

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .product-detail-container {
        grid-template-columns: 1fr;
    }

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

    .cart-item {
        grid-template-columns: 80px 1fr;
    }

    .cart-item-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .features h2,
    .products h2,
    .page-title {
        font-size: 1.8rem;
    }

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