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

:root {
    --primary-color: #2563eb;
    --secondary-color: #7c3aed;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --error-color: #ef4444;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

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

.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary-color);
    font-size: 24px;
    font-weight: bold;
}

.logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

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

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.cart-link {
    position: relative;
}

#cart-count {
    position: absolute;
    top: -8px;
    right: -10px;
    background-color: var(--error-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

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

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

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-primary:hover {
    background-color: #d97706;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #6d28d9;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-block {
    display: block;
    width: 100%;
}

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

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

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.benefit-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.benefit-card i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.stat-item h3 {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.cta-section {
    text-align: center;
    padding: 40px;
    background-color: white;
    border-radius: 10px;
}

.cta-section p {
    font-size: 20px;
    margin-bottom: 20px;
}

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

.about-courses h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.course-description {
    max-width: 900px;
    margin: 0 auto;
}

.course-description h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.course-description p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-light);
}

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

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 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;
}

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

.product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.product-card h3 {
    padding: 20px 20px 10px;
    font-size: 22px;
}

.product-card p {
    padding: 0 20px;
    color: var(--text-light);
    margin-bottom: 15px;
}

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

.product-card .btn {
    margin: 0 20px 20px;
}

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

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.product-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.product-info h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

.product-description h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.product-description ul {
    list-style-position: inside;
    color: var(--text-light);
    margin-bottom: 20px;
}

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

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

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

.cart-section h1 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

.empty-cart i {
    font-size: 80px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.empty-cart p {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.cart-items {
    max-width: 900px;
    margin: 0 auto 40px;
}

.cart-item {
    display: flex;
    gap: 20px;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.cart-item img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
}

.cart-item-info {
    flex: 1;
}

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

.cart-item-price {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 15px;
}

.cart-item-remove {
    background-color: var(--error-color);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.cart-summary {
    max-width: 500px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.cart-summary h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 18px;
}

.summary-row.total {
    font-size: 24px;
    font-weight: bold;
    border-top: 2px solid var(--border-color);
    padding-top: 15px;
    margin-top: 15px;
    color: var(--primary-color);
}

.checkout-section {
    padding: 80px 20px;
}

.checkout-section h1 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.checkout-form h2,
.order-summary h2 {
    font-size: 24px;
    margin-bottom: 30px;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
}

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

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

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

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

.success-section {
    padding: 100px 20px;
    text-align: center;
    min-height: 60vh;
}

.success-content {
    max-width: 600px;
    margin: 0 auto;
}

.success-icon i {
    font-size: 100px;
    color: var(--success-color);
    margin-bottom: 30px;
}

.success-content h1 {
    font-size: 36px;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.success-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.contact-section {
    padding: 80px 20px;
}

.contact-section h1 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--primary-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 24px;
    margin-bottom: 30px;
}

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

.info-item i {
    font-size: 24px;
    color: var(--primary-color);
    margin-top: 5px;
}

.info-item h3 {
    font-size: 18px;
    margin-bottom: 5px;
}

.contact-social h3 {
    margin-bottom: 15px;
}

.contact-form-wrapper h2 {
    font-size: 24px;
    margin-bottom: 30px;
}

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

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

.complaint-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

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

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

.about-text {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: var(--text-light);
}

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

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

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

.team-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
    padding: 30px;
}

.team-card img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

.team-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.team-card p:first-of-type {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.values-section {
    padding: 80px 20px;
}

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

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

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

.value-card i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.footer {
    background-color: #1f2937;
    color: white;
    padding: 60px 20px 20px;
}

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

.footer-col h4 {
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-col p {
    color: #d1d5db;
    margin-bottom: 15px;
}

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

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

.footer-col a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: white;
    font-size: 24px;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 20px;
    z-index: 2000;
    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-buttons {
    display: flex;
    gap: 10px;
}

.notification {
    position: fixed;
    top: 80px;
    right: 20px;
    background-color: var(--success-color);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 3000;
    display: none;
}

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

.notification.error {
    background-color: var(--error-color);
}

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

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .product-detail-grid,
    .checkout-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
    }
    
    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}