/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

/* RTL Support */
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .logo {
    flex-direction: row-reverse;
}

[dir="rtl"] .nav {
    flex-direction: row-reverse;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 0.5em;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    color: #1a1a1a;
}

h2 {
    font-size: 2rem;
    color: #1a1a1a;
}

h3 {
    font-size: 1.5rem;
    color: #2a2a2a;
}

h4 {
    font-size: 1.25rem;
    color: #2a2a2a;
}

p {
    margin-bottom: 1em;
    color: #555;
}

a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0052a3;
}

a:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.4;
}

.btn-primary {
    background-color: #0066cc;
    color: white;
}

.btn-primary:hover {
    background-color: #0052a3;
    color: white;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: #f8f9fa;
    color: #333;
    border: 1px solid #dee2e6;
}

.btn-secondary:hover {
    background-color: #e9ecef;
    color: #333;
}

.btn:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

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

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
}

.logo img {
    width: 40px;
    height: 40px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #0066cc;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.hero p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: #666;
}

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

.hero-image img {
    width: 100%;
    height: auto;
    max-width: 500px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

/* Courses Grid */
.featured-courses,
.courses-catalog {
    padding: 80px 0;
}

.featured-courses h2,
.courses-catalog h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.course-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.course-content {
    padding: 1.5rem;
}

.course-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: #666;
}

.course-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.course-title a {
    color: inherit;
    text-decoration: none;
}

.course-title a:hover {
    color: #0066cc;
}

.course-description {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

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

.course-price {
    font-size: 1.25rem;
    font-weight: 600;
    color: #0066cc;
}

.course-label {
    background-color: #0066cc;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Catalog Filters */
.catalog-filters {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: #333;
}

.filter-group input,
.filter-group select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Course Detail Page */
.course-detail {
    padding: 2rem 0;
}

.course-header {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.course-info h1 {
    margin-bottom: 1rem;
}

.course-instructor {
    margin: 1rem 0;
    color: #666;
}

.course-stats {
    display: flex;
    gap: 2rem;
    margin: 1rem 0;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: #0066cc;
}

.course-sidebar {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    height: fit-content;
}

.course-sections {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.section {
    margin-bottom: 2rem;
}

.section h2 {
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #0066cc;
}

.curriculum-list,
.requirements-list,
.learning-list {
    list-style: none;
}

.curriculum-list li,
.requirements-list li,
.learning-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.curriculum-list li:before,
.learning-list li:before {
    content: "✓";
    color: #28a745;
    font-weight: bold;
    margin-right: 0.5rem;
}

.requirements-list li:before {
    content: "•";
    color: #0066cc;
    font-weight: bold;
    margin-right: 0.5rem;
}

.faq-list {
    margin-top: 1rem;
}

.faq-item {
    margin-bottom: 1rem;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background-color: #e9ecef;
}

.faq-answer {
    padding: 1rem;
    background-color: white;
    border-left: 3px solid #0066cc;
    margin-top: 0.5rem;
    display: none;
}

.faq-answer.active {
    display: block;
}

.faq-toggle {
    font-size: 1.25rem;
    font-weight: bold;
}

/* Trust Indicators */
.trust-indicators {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.trust-indicators h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.trust-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Checkout Styles */
.checkout {
    padding: 2rem 0;
}

.checkout-header {
    text-align: center;
    margin-bottom: 3rem;
}

.checkout-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background-color: #f8f9fa;
    color: #666;
}

.step.active {
    background-color: #0066cc;
    color: white;
}

.step.completed {
    background-color: #28a745;
    color: white;
}

.step-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: #ddd;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: bold;
}

.step.active .step-number,
.step.completed .step-number {
    background-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.checkout-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.checkout-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h2 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

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

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    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: #0066cc;
    box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #dc3545;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 2px;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.checkout-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.order-summary {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.order-summary h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
}

.summary-total {
    font-weight: 600;
    font-size: 1.125rem;
    color: #1a1a1a;
    border-top: 2px solid #0066cc;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.trust-badges {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.trust-badges h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.trust-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

.payment-methods {
    margin-bottom: 1.5rem;
}

.payment-icons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.payment-icon,
.security-icon {
    border: 1px solid #ddd;
    border-radius: 4px;
}

.demo-notice {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.demo-notice h4 {
    color: #856404;
    margin-bottom: 0.5rem;
}

.demo-notice p {
    color: #856404;
    margin: 0;
}

/* Order Success */
.order-success {
    padding: 80px 0;
    text-align: center;
}

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

.success-icon {
    margin-bottom: 2rem;
}

.success-message {
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 3rem;
}

.order-details {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
    text-align: left;
}

.next-steps {
    margin: 3rem 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.success-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.125rem;
    color: #666;
}

/* About Page */
.about-content {
    padding: 80px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

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

.feature-list {
    list-style: none;
    margin: 1.5rem 0;
}

.feature-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.feature-list li:before {
    content: "✓";
    color: #28a745;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.values {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.values h2 {
    text-align: center;
    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: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.commitment-content p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

/* Contact Page */
.contact-content {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-info {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.5rem;
    margin-top: 0.25rem;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.contact-details p {
    margin-bottom: 0.25rem;
    color: #666;
}

.response-time {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.response-time h3 {
    margin-bottom: 1rem;
    color: #1a1a1a;
}

.response-time ul {
    list-style: none;
}

.response-time li {
    padding: 0.25rem 0;
    color: #666;
}

.success-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 1.5rem;
    border-radius: 8px;
    display: none;
}

.success-message.show {
    display: block;
}

.faq-preview {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.faq-preview h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.faq-preview > p {
    text-align: center;
    margin-bottom: 3rem;
}

.quick-faq {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.quick-faq .faq-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.quick-faq .faq-item h3 {
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.quick-faq .faq-item p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

.faq-preview .btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* FAQ Page */
.faq-content {
    padding: 80px 0;
}

.faq-categories {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 3rem;
}

.faq-category h2 {
    margin-bottom: 1.5rem;
    color: #1a1a1a;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #0066cc;
}

.faq-contact {
    text-align: center;
    margin-top: 3rem;
    padding: 3rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.faq-contact h2 {
    margin-bottom: 1rem;
}

.faq-contact p {
    margin-bottom: 2rem;
    color: #666;
}

/* Legal Pages */
.legal-content {
    padding: 80px 0;
}

.legal-document {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.legal-document h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #1a1a1a;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eee;
}

.legal-document h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: #2a2a2a;
}

.legal-document ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-document li {
    margin-bottom: 0.5rem;
    color: #555;
}

.contact-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.disclaimer-notice {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.disclaimer-notice p {
    margin: 0;
    color: #856404;
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 32px;
    height: 32px;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 0.5rem;
}

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

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

.footer-section a {
    color: #ccc;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 2rem;
    text-align: center;
    color: #ccc;
}

/* Section Footer */
.section-footer {
    text-align: center;
    margin-top: 2rem;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 3rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin-top: 2rem;
}

.no-results h3 {
    margin-bottom: 1rem;
    color: #666;
}

.no-results p {
    color: #888;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .features-grid,
    .courses-grid,
    .trust-grid,
    .values-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .course-header,
    .course-sections,
    .about-grid,
    .contact-grid,
    .checkout-content {
        grid-template-columns: 1fr;
    }
    
    .catalog-filters {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .success-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .checkout-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions,
    .trust-items {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .features,
    .featured-courses,
    .courses-catalog,
    .trust-indicators,
    .about-content,
    .values,
    .team-section,
    .cta-section,
    .contact-content,
    .faq-content,
    .legal-content {
        padding: 40px 0;
    }
    
    .course-card,
    .feature-card,
    .trust-item,
    .value-card,
    .step-card {
        padding: 1.5rem;
    }
    
    .checkout-form,
    .contact-form,
    .order-summary,
    .trust-badges {
        padding: 1.5rem;
    }
    
    .legal-document {
        padding: 2rem;
    }
}

/* Focus and Accessibility */
*:focus {
    outline: 2px solid #0066cc;
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .page-header {
        background: none;
    }
}