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

:root {
    --primary-color: #2d5016;
    --secondary-color: #6b9b37;
    --accent-color: #a0c55f;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --error-color: #dc3545;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    object-fit: cover;
}

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

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.cart-link {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-count {
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    padding: 2px 8px;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(45, 80, 22, 0.8), rgba(45, 80, 22, 0.8)), url('images/hero-bg.jpg') center/cover;
    color: var(--white);
    padding: 120px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(45, 80, 22, 0.3);
}

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

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

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

.feature-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

/* About Courses Section */
.about-courses {
    padding: 80px 0;
}

.about-courses h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--text-light);
}

/* Products Section */
.products {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.products h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

.product-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.product-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.product-info p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.product-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Product Detail Page */
.product-detail {
    padding: 80px 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.product-detail-image img {
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.1);
}

.product-rating {
    color: #ffc107;
    margin-bottom: 20px;
}

.product-rating span {
    color: var(--text-light);
    margin-left: 10px;
}

.product-price-large {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 20px 0;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 30px;
}

.product-features {
    margin: 30px 0;
}

.product-features h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

.product-features li {
    padding: 10px 0;
    color: var(--text-light);
}

.product-features i {
    color: var(--success-color);
    margin-right: 10px;
}

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

/* Tabs */
.product-tabs {
    margin-top: 60px;
}

.tab-buttons {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 30px;
}

.tab-button {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text-light);
    transition: all 0.3s;
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s;
}

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

.tab-content h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.tab-content p {
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 15px;
}

.curriculum-list {
    list-style: none;
}

.curriculum-list li {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

/* Cart Page */
.cart-section,
.checkout-section {
    padding: 80px 0;
    min-height: 60vh;
}

.cart-section h1,
.checkout-section h1 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--primary-color);
}

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

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cart-item {
    display: grid;
    grid-template-columns: 150px 1fr auto;
    gap: 20px;
    padding: 20px;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}

.cart-item-image img {
    border-radius: 8px;
    width: 150px;
    height: 150px;
    object-fit: cover;
}

.cart-item-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

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

.remove-item {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 10px;
}

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

.empty-cart i {
    font-size: 5rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

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

.cart-summary h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

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

.summary-row.total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    border-top: 2px solid var(--primary-color);
    border-bottom: none;
    margin-top: 10px;
}

/* Checkout Page */
.checkout-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.checkout-form h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

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

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

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

.checkout-items {
    margin-bottom: 20px;
}

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

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

/* Success Page */
.success-section {
    padding: 100px 0;
    text-align: center;
    min-height: 60vh;
}

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

.success-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 30px;
}

.success-content h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.success-message {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.success-info {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
}

.success-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Contact Page */
.contact-hero {
    background: linear-gradient(rgba(45, 80, 22, 0.8), rgba(45, 80, 22, 0.8)), url('images/contact-bg.jpg') center/cover;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.contact-section {
    padding: 80px 0;
}

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

.contact-card {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--bg-light);
    border-radius: 10px;
}

.contact-card-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.contact-card a {
    color: var(--secondary-color);
    font-weight: 600;
}

.contact-form-section {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form-section h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--primary-color);
}

.form-success {
    display: none;
    text-align: center;
    padding: 40px;
    background-color: var(--bg-light);
    border-radius: 10px;
}

.form-success i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

/* About Page */
.about-hero {
    background: linear-gradient(rgba(45, 80, 22, 0.8), rgba(45, 80, 22, 0.8)), url('images/about-bg.jpg') center/cover;
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.about-story {
    padding: 80px 0;
}

.about-story h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-color);
    text-align: center;
}

.about-story-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    color: var(--text-light);
}

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

.about-values h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--primary-color);
    text-align: center;
}

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

.value-card {
    background-color: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
}

.value-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.team-section {
    padding: 80px 0;
}

.team-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-align: center;
}

.team-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.team-card {
    text-align: center;
}

.team-image {
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 10px;
}

.team-image img {
    width: 100%;
    transition: transform 0.3s;
}

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

.team-card h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

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

.team-bio {
    color: var(--text-light);
    line-height: 1.6;
}

.about-cta {
    padding: 80px 0;
    background-color: var(--bg-light);
    text-align: center;
}

.about-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-cta p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Blog */
.blog-post {
    padding: 80px 0;
}

.blog-post-header {
    max-width: 900px;
    margin: 0 auto 60px;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
    color: var(--text-light);
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-category {
    background-color: var(--accent-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
}

.blog-post-header h1 {
    font-size: 2.8rem;
    line-height: 1.3;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.blog-featured-image {
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 40px;
}

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

.blog-content .lead {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 40px;
    font-weight: 500;
}

.blog-content h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    color: var(--primary-color);
}

.blog-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-light);
}

.blog-post-footer {
    max-width: 900px;
    margin: 60px auto;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

.blog-tags {
    margin-bottom: 30px;
}

.tag {
    display: inline-block;
    background-color: var(--bg-light);
    padding: 8px 15px;
    border-radius: 20px;
    margin: 5px;
    color: var(--text-dark);
    transition: background-color 0.3s;
}

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

.blog-share {
    margin-top: 20px;
}

.share-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.share-btn:hover {
    transform: scale(1.1);
}

.share-btn.facebook { background-color: #3b5998; }
.share-btn.twitter { background-color: #1da1f2; }
.share-btn.linkedin { background-color: #0077b5; }

.blog-author-bio {
    max-width: 900px;
    margin: 60px auto;
    padding: 40px;
    background-color: var(--bg-light);
    border-radius: 10px;
    display: flex;
    gap: 30px;
}

.author-bio-image img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
}

.author-bio-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.related-posts {
    max-width: 900px;
    margin: 60px auto;
}

.related-posts h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--primary-color);
}

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

.related-post-card {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.related-post-image {
    height: 200px;
    overflow: hidden;
}

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

.related-post-content {
    padding: 20px;
}

.related-post-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

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

.blog-cta {
    padding: 80px 0;
    background-color: var(--bg-light);
    text-align: center;
}

.blog-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.blog-cta p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.footer-section p {
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.9;
}

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

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

.footer-section ul li a {
    color: var(--white);
    opacity: 0.9;
    transition: opacity 0.3s;
}

.footer-section ul li a:hover {
    opacity: 1;
}

.contact-info li {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    opacity: 0.9;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background-color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.9;
}

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: 0 -5px 20px rgba(0,0,0,0.1);
    padding: 30px;
    z-index: 9999;
    display: none;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-content p {
    margin-bottom: 10px;
}

.cookie-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* Notification */
.notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background-color: var(--success-color);
    color: var(--white);
    padding: 20px 30px;
    border-radius: 5px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    z-index: 9999;
    display: none;
    animation: slideIn 0.5s;
}

.notification.show {
    display: block;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.1);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

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

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

    .cart-summary,
    .checkout-summary {
        position: static;
    }

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

    .blog-author-bio {
        flex-direction: column;
        text-align: center;
    }

    .author-bio-image img {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 100px 1fr;
    }

    .cart-item-actions {
        grid-column: 1 / -1;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

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

    .features h2,
    .products h2,
    .about-courses h2 {
        font-size: 2rem;
    }
}