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

:root {
    --primary-color: #0066cc;
    --secondary-color: #004999;
    --accent-color: #28a745;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo img {
    display: block;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.cart-link {
    display: flex;
    align-items: center;
    gap: 5px;
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.features {
    padding: 80px 20px;
    background: var(--light-bg);
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-box {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.feature-box:hover {
    transform: translateY(-5px);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 42px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.about-products {
    padding: 80px 20px;
}

.about-products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 40px;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.products {
    padding: 80px 20px;
    background: var(--light-bg);
}

.products h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

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

.product-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.product-card h3 {
    font-size: 24px;
    padding: 20px 20px 10px;
    color: var(--text-color);
}

.product-card .price {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    padding: 0 20px;
}

.product-card p {
    padding: 10px 20px;
    color: #666;
}

.btn-primary {
    display: block;
    background: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 12px 30px;
    margin: 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s;
}

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

.terminology {
    padding: 80px 20px;
}

.terminology h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

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

.term-item {
    background: var(--light-bg);
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.term-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 20px;
}

.blog-preview {
    padding: 80px 20px;
    background: var(--light-bg);
}

.blog-preview h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.blog-articles {
    display: grid;
    gap: 40px;
}

.blog-card {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.blog-card h3 {
    font-size: 26px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.blog-card p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
}

.interesting-facts {
    padding: 80px 20px;
}

.interesting-facts h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.fact-item {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.fact-item svg {
    flex-shrink: 0;
}

footer {
    background: #2c3e50;
    color: #fff;
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
}

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

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

.footer-section a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #fff;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 20px 0;
    border-top: 1px solid #444;
}

.social-links a {
    color: #fff;
    transition: transform 0.3s;
}

.social-links a:hover {
    transform: scale(1.2);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    color: #bbb;
}

.product-detail {
    padding: 80px 20px;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.product-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.product-info h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.product-price {
    font-size: 42px;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 30px;
}

.product-price span {
    font-size: 24px;
    color: #666;
}

.product-description {
    margin-bottom: 30px;
}

.product-description h3 {
    font-size: 24px;
    margin: 25px 0 15px;
    color: var(--primary-color);
}

.product-description ul {
    list-style-position: inside;
    margin-left: 20px;
}

.product-description li {
    margin-bottom: 10px;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-add-cart, .btn-buy-now {
    flex: 1;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-add-cart {
    background: var(--light-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-add-cart:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-buy-now {
    background: var(--accent-color);
    color: #fff;
}

.btn-buy-now:hover {
    background: #218838;
}

.cart-section, .checkout-section {
    padding: 80px 20px;
    min-height: 60vh;
}

.cart-section h1, .checkout-section h1 {
    font-size: 36px;
    margin-bottom: 40px;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
}

.cart-empty svg {
    margin-bottom: 20px;
}

.cart-empty h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #666;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr auto;
    gap: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    align-items: center;
}

.cart-item img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 5px;
}

.cart-item-info h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.cart-item-price {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: bold;
}

.btn-remove {
    background: #dc3545;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-remove:hover {
    background: #c82333;
}

.cart-summary {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    margin-top: 30px;
}

.cart-summary h2 {
    font-size: 24px;
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-row.total {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    border-bottom: none;
    padding-top: 20px;
}

.btn-checkout {
    width: 100%;
    background: var(--accent-color);
    color: #fff;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: background 0.3s;
}

.btn-checkout:hover {
    background: #218838;
}

.btn-continue {
    display: block;
    text-align: center;
    margin-top: 15px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.checkout-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.checkout-form h2, .order-summary h2 {
    font-size: 24px;
    margin-bottom: 25px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.btn-submit {
    width: 100%;
    background: var(--accent-color);
    color: #fff;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 20px;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #218838;
}

.order-summary {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-totals {
    margin-top: 20px;
}

.secure-checkout {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    color: var(--accent-color);
    font-weight: 600;
}

.contact-hero, .about-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

.contact-hero h1, .about-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.contact-section, .about-content, .team-section {
    padding: 80px 20px;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h2, .contact-form-container h2 {
    font-size: 28px;
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item svg {
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.support-hours {
    color: var(--accent-color);
    font-weight: 600;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 5px;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    display: block;
}

.about-story, .about-mission {
    margin-bottom: 60px;
}

.about-story h2, .about-mission h2, .about-values h2 {
    font-size: 32px;
    margin-bottom: 25px;
    color: var(--primary-color);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-item {
    text-align: center;
    padding: 30px;
}

.value-item h3 {
    font-size: 22px;
    margin: 20px 0 15px;
    color: var(--primary-color);
}

.team-section {
    background: var(--light-bg);
}

.team-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
}

.team-intro {
    text-align: center;
    font-size: 18px;
    margin-bottom: 50px;
    color: #666;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.team-member {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
}

.team-member img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.team-member h3 {
    font-size: 22px;
    margin: 20px 0 5px;
    padding: 0 20px;
}

.team-member .role {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.team-member p {
    padding: 0 20px 25px;
    color: #666;
}

.about-stats {
    padding: 60px 20px;
    background: var(--primary-color);
    color: #fff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.stat-box {
    text-align: center;
}

.stat-box h3 {
    font-size: 48px;
    margin-bottom: 10px;
}

.success-section {
    padding: 80px 20px;
    min-height: 60vh;
}

.success-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.success-icon {
    margin-bottom: 30px;
}

.success-content h1 {
    font-size: 36px;
    color: var(--accent-color);
    margin-bottom: 25px;
}

.success-message {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.success-info {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

.success-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn-secondary {
    display: inline-block;
    background: #fff;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
}

.next-steps h2 {
    font-size: 28px;
    margin-bottom: 40px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: left;
}

.step-item {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 10px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.step-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #2c3e50;
    color: #fff;
    padding: 20px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 9999;
    display: none;
}

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

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

.cookie-content p {
    flex: 1;
}

.cookie-content a {
    color: #4db8ff;
}

.cookie-buttons {
    display: flex;
    gap: 15px;
}

.btn-accept, .btn-decline {
    padding: 10px 25px;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-accept {
    background: var(--accent-color);
    color: #fff;
}

.btn-accept:hover {
    background: #218838;
}

.btn-decline {
    background: transparent;
    color: #fff;
    border: 1px solid #fff;
}

.btn-decline:hover {
    background: rgba(255,255,255,0.1);
}

.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--accent-color);
    color: #fff;
    padding: 15px 25px;
    border-radius: 5px;
    box-shadow: var(--shadow);
    z-index: 9999;
    display: none;
    animation: slideIn 0.3s ease;
}

.notification.show {
    display: block;
}

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

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .product-layout, .contact-layout, .checkout-layout {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}