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

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

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

/* Navigation */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    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: var(--text-dark);
    font-weight: 700;
    font-size: 1.25rem;
}

.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 {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.cart-link {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: #475569;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Advantages Section */
.advantages {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

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

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

.advantage-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Stats */
.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-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* About Courses Section */
.about-courses {
    padding: 5rem 0;
}

.about-courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

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

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
    font-size: 1.05rem;
}

.quality-assurance,
.company-story {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.quality-assurance h3,
.company-story h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Courses Section */
.courses {
    padding: 5rem 0;
    background: var(--bg-light);
}

.courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

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

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.course-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

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

.course-content {
    padding: 1.5rem;
}

.course-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.course-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.course-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.course-meta i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
}

/* Newsletter Section */
.newsletter {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

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

.newsletter p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1.5rem;
}

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

.subscriber-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-col p {
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 1rem;
}

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

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-col a:hover {
    opacity: 1;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.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: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

.registration {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    z-index: 1000;
    display: none;
}

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

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

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

.cookie-text p {
    color: var(--text-light);
    font-size: 0.95rem;
}

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

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

/* Product Detail Page */
.product-detail {
    padding: 4rem 0;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.product-image-section img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

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

.product-rating {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stars {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.rating-text {
    color: var(--text-light);
    font-size: 0.95rem;
}

.product-price {
    margin-bottom: 2rem;
}

.product-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
}

.meta-item i {
    color: var(--primary-color);
}

.product-description {
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.product-description p {
    margin-bottom: 1rem;
}

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

.product-details-tabs {
    margin-top: 3rem;
}

.tabs-nav {
    display: flex;
    gap: 2rem;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 2rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.tab-content {
    display: none;
}

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

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

.curriculum-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.curriculum-item i {
    color: var(--success-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

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

.curriculum-item p {
    color: var(--text-light);
    line-height: 1.6;
}

.instructor-info {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.instructor-bio h4 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.instructor-title {
    color: var(--text-light);
    font-size: 1.1rem;
    display: block;
    margin-bottom: 1.5rem;
}

.instructor-bio p {
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.reviews-summary {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

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

.rating-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.rating-stars {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin: 0.5rem 0;
}

.rating-count {
    color: var(--text-light);
}

.review-item {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 1rem;
}

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

.reviewer-name {
    font-weight: 600;
    color: var(--text-dark);
}

.review-stars {
    color: var(--accent-color);
}

.review-text {
    line-height: 1.7;
    color: var(--text-light);
}

/* Cart Page */
.cart-section {
    padding: 4rem 0;
    min-height: 60vh;
}

.cart-section h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

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

.empty-cart h2 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

.cart-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cart-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.cart-item-image {
    width: 120px;
    height: 120px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
}

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

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

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

.cart-item-details p {
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.cart-item-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.remove-item {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s ease;
}

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

.cart-summary {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.summary-row.total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
    margin-top: 1rem;
}

/* Checkout Page */
.checkout-section {
    padding: 4rem 0;
}

.checkout-section h1 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.checkout-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.checkout-form-container {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.checkout-form h2 {
    margin-bottom: 1.5rem;
    margin-top: 2rem;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.checkout-form h2:first-child {
    margin-top: 0;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

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

.order-summary-container {
    position: relative;
}

.order-summary-sticky {
    position: sticky;
    top: 100px;
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.order-summary-sticky h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.checkout-items {
    margin-bottom: 1.5rem;
}

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

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

.checkout-item-name {
    font-weight: 600;
    color: var(--text-dark);
}

.checkout-item-price {
    font-weight: 700;
    color: var(--primary-color);
}

.summary-totals {
    margin-top: 1.5rem;
}

.secure-checkout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    color: var(--text-light);
}

.secure-checkout i {
    color: var(--success-color);
}

/* Success Page */
.success-section {
    padding: 4rem 0;
    min-height: 60vh;
}

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

.success-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 2rem;
}

.success-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.success-message {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

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

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

.info-box i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-box h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.info-box p {
    color: var(--text-light);
    line-height: 1.7;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Contact Page */
.contact-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.contact-section {
    padding: 4rem 0;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info-section > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

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

.contact-text p {
    color: var(--text-light);
    line-height: 1.6;
}

.contact-text a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-hours {
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.social-section {
    margin-top: 3rem;
}

.social-section h3 {
    margin-bottom: 1rem;
}

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

.social-links-large a {
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links-large a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.contact-form-section {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
}

.contact-form h2 {
    margin-bottom: 1.5rem;
}

/* About Page */
.about-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.about-story {
    padding: 5rem 0;
}

.story-content {
    max-width: 900px;
    margin: 0 auto;
}

.story-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.story-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
    font-size: 1.05rem;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.mission-box {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.mission-box i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.mission-box h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.mission-box p {
    color: var(--text-light);
    line-height: 1.7;
}

.about-values {
    padding: 5rem 0;
    background: var(--bg-light);
}

.about-values h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

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

.value-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.team-section {
    padding: 5rem 0;
}

.team-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.team-intro {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

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

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

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

.team-card h3 {
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.5rem;
    color: var(--text-dark);
}

.team-role {
    padding: 0 1.5rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.team-card p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.7;
}

.about-stats {
    padding: 5rem 0;
    background: var(--bg-light);
}

.about-stats h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

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

.stat-box i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-cta {
    padding: 5rem 0;
    text-align: center;
}

.about-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.about-cta p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Blog Pages */
.blog-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.blog-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.blog-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

.blog-section {
    padding: 4rem 0;
}

.blog-featured {
    margin-bottom: 4rem;
}

.featured-post {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.featured-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.post-category {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
}

.post-date {
    color: var(--text-light);
}

.featured-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.featured-content h2 a {
    color: var(--text-dark);
    text-decoration: none;
}

.featured-content h2 a:hover {
    color: var(--primary-color);
}

.featured-content > p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--text-dark);
}

.post-reading-time {
    color: var(--text-light);
    font-size: 0.9rem;
}

.blog-posts h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

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

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

.blog-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

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

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

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.blog-date {
    color: var(--text-light);
}

.blog-category {
    color: var(--primary-color);
    font-weight: 600;
}

.blog-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.blog-content h3 a {
    color: var(--text-dark);
    text-decoration: none;
}

.blog-content h3 a:hover {
    color: var(--primary-color);
}

.blog-content > p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.blog-author {
    color: var(--text-light);
    font-size: 0.9rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more:hover {
    gap: 0.75rem;
}

/* Blog Post Page */
.blog-post {
    padding: 4rem 0;
}

.post-header {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.post-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.post-featured-image {
    max-width: 1000px;
    margin: 0 auto 3rem;
    border-radius: 12px;
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
    height: auto;
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.post-content h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.post-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text-light);
    font-size: 1.05rem;
}

.post-cta {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin: 3rem 0;
    text-align: center;
}

.post-cta h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.post-cta p {
    margin-bottom: 1.5rem;
}

.post-tags {
    margin: 3rem 0;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.post-tags h4 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    transition: background 0.3s ease;
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
}

.post-nav-link {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.post-nav-link:hover {
    background: var(--primary-color);
}

.post-nav-link:hover .nav-label,
.post-nav-link:hover .nav-title {
    color: white;
}

.post-nav-link.prev {
    grid-column: 1;
}

.post-nav-link.next {
    grid-column: 2;
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.nav-title {
    color: var(--text-dark);
    font-weight: 600;
}

.related-posts {
    padding: 4rem 0;
    background: var(--bg-light);
}

.related-posts h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

/* Notification */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    padding: 1rem 1.5rem;
    background: var(--success-color);
    color: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    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;
    }
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .product-layout,
    .contact-layout,
    .featured-post {
        grid-template-columns: 1fr;
    }

    .checkout-layout {
        grid-template-columns: 1fr;
    }

    .order-summary-sticky {
        position: static;
    }

    .cart-content {
        grid-template-columns: 1fr;
    }

    .mission-vision {
        grid-template-columns: 1fr;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .post-nav-link.next {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .hero h1,
    .about-hero h1,
    .blog-hero h1,
    .contact-hero h1 {
        font-size: 2rem;
    }

    .advantages h2,
    .courses h2,
    .about-values h2,
    .team-section h2 {
        font-size: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .cookie-content {
        flex-direction: column;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .tabs-nav {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .course-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero,
    .about-hero,
    .blog-hero,
    .contact-hero {
        padding: 3rem 0;
    }

    .advantages,
    .courses,
    .about-story,
    .about-values,
    .team-section {
        padding: 3rem 0;
    }

    .post-header h1 {
        font-size: 1.75rem;
    }

    .blog-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }
}