-->
/* 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: #fff;
}

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

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

[dir="rtl"] .hero-content {
    text-align: right;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

/* 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: 1.5;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    color: white;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
    width: 100%;
}

.btn:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Header */
.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1f2937;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
}

.nav-link {
    color: #4b5563;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #2563eb;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #2563eb;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #4b5563;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    padding: 80px 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

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

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

/* Features Section */
.features {
    padding: 80px 0;
    background-color: #f9fafb;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

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

.feature-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6b7280;
}

/* Featured Courses */
.featured-courses {
    padding: 80px 0;
}

.featured-courses h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

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

.course-content {
    padding: 1.5rem;
}

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

.course-meta-item {
    color: #6b7280;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

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

.course-title a:hover {
    color: #2563eb;
}

.course-description {
    color: #6b7280;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #059669;
}

.course-label {
    background-color: #fbbf24;
    color: #92400e;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.section-footer {
    text-align: center;
}

/* Trust Section */
.trust-section {
    padding: 80px 0;
    background-color: #f9fafb;
}

.trust-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

.trust-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.trust-features {
    list-style: none;
    margin-top: 1.5rem;
}

.trust-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.trust-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
}

.trust-bg {
    width: 100%;
    height: auto;
    max-width: 400px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.2rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Courses Catalog */
.courses-catalog {
    padding: 60px 0;
}

.catalog-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 1rem;
}

.search-input:focus {
    outline: none;
    border-color: #3b82f6;
}

.filter-controls {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-select {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 1rem;
    background-color: white;
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: #3b82f6;
}

.catalog-results {
    margin-top: 2rem;
}

.results-count {
    color: #6b7280;
    margin-bottom: 1.5rem;
}

/* Course Detail Page */
.course-hero {
    background-color: #f9fafb;
    padding: 60px 0;
}

.course-hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.breadcrumb {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: #6b7280;
}

.breadcrumb a:hover {
    color: #2563eb;
}

.course-purchase {
    position: sticky;
    top: 100px;
}

.course-purchase .course-card {
    margin: 0;
}

.price-amount {
    font-size: 2rem;
    font-weight: 700;
    color: #059669;
}

.course-tabs {
    display: flex;
    gap: 0;
    margin: 3rem 0 2rem 0;
    border-bottom: 2px solid #e5e7eb;
}

.tab-btn {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

.tab-content {
    margin-top: 2rem;
}

.tab-pane {
    display: none;
}

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

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

.overview-section h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.learning-objectives,
.requirements-list {
    list-style: none;
    margin-left: 0;
}

.learning-objectives li,
.requirements-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.learning-objectives li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
}

.requirements-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #6b7280;
    font-weight: bold;
}

.curriculum-list {
    background-color: #f9fafb;
    border-radius: 8px;
    padding: 1.5rem;
}

.curriculum-item {
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.curriculum-title {
    font-weight: 600;
    color: #1f2937;
}

.instructor-info h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.faq-list {
    space-y: 1rem;
}

.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: #6b7280;
}

.course-not-found {
    padding: 80px 0;
    text-align: center;
}

.not-found-content h1 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.not-found-content p {
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Checkout Styles */
.checkout-section {
    padding: 60px 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;
    color: #6b7280;
}

.step.active {
    color: #2563eb;
}

.step.completed {
    color: #059669;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #e5e7eb;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

.step.active .step-number {
    background-color: #2563eb;
    color: white;
}

.step.completed .step-number {
    background-color: #059669;
    color: white;
}

.checkout-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.checkout-form h2 {
    margin-bottom: 2rem;
    color: #1f2937;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    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: #3b82f6;
}

.form-group input.error,
.form-group select.error {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    cursor: pointer;
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
}

.order-summary {
    background-color: #f9fafb;
    padding: 2rem;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.order-summary h3 {
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.summary-content {
    margin-bottom: 1.5rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.summary-item:last-child {
    border-bottom: none;
    font-weight: 600;
    font-size: 1.125rem;
}

.customer-info {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

.customer-info h4 {
    margin-bottom: 1rem;
    color: #1f2937;
}

.security-badges {
    background-color: #f0f9ff;
    border: 1px solid #0ea5e9;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 2rem;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #0369a1;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.payment-methods {
    display: flex;
    gap: 0.5rem;
}

.demo-notice {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 1rem;
    margin: 1.5rem 0;
}

.demo-notice p {
    color: #92400e;
    margin: 0;
    font-size: 0.875rem;
}

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

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

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

.success-message {
    font-size: 1.2rem;
    color: #6b7280;
    margin-bottom: 3rem;
}

.order-details {
    background-color: #f9fafb;
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: left;
}

.order-details h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.next-steps {
    text-align: left;
    margin: 2rem 0;
}

.next-steps ul {
    list-style-position: inside;
    color: #6b7280;
}

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

/* About Page */
.about-content {
    padding: 60px 0;
}

.about-section {
    margin-bottom: 4rem;
}

.about-section h2 {
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.about-section p {
    color: #6b7280;
    margin-bottom: 1rem;
}

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

.offering-item,
.reason-item {
    background-color: #f9fafb;
    padding: 2rem;
    border-radius: 12px;
}

.offering-item h3,
.reason-item h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.reason-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-section ul {
    color: #6b7280;
    margin-left: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Contact Page */
.contact-section {
    padding: 60px 0;
}

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

.contact-form-section h2,
.contact-info-section h2 {
    margin-bottom: 2rem;
    color: #1f2937;
}

.contact-form {
    background-color: #f9fafb;
    padding: 2rem;
    border-radius: 12px;
}

.contact-methods {
    space-y: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    font-size: 1.5rem;
    width: 3rem;
    text-align: center;
}

.contact-details h3 {
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.business-hours,
.response-time {
    margin-top: 2rem;
}

.business-hours h3,
.response-time h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.business-hours ul,
.response-time ul {
    list-style: none;
    color: #6b7280;
}

.business-hours li,
.response-time li {
    padding: 0.25rem 0;
}

.success-message {
    background-color: #d1fae5;
    border: 1px solid #10b981;
    color: #065f46;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.faq-link {
    text-align: center;
    background-color: #f9fafb;
    padding: 3rem;
    border-radius: 12px;
}

.faq-link h2 {
    margin-bottom: 1rem;
    color: #1f2937;
}

.faq-link p {
    color: #6b7280;
    margin-bottom: 2rem;
}

/* FAQ Page */
.faq-section {
    padding: 60px 0;
}

.faq-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    justify-content: center;
}

.category-btn {
    background-color: #f3f4f6;
    color: #4b5563;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
    background-color: #2563eb;
    color: white;
}

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

.faq-item {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #f9fafb;
}

.faq-icon {
    font-size: 1.25rem;
    font-weight: bold;
    color: #6b7280;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: #6b7280;
    display: none;
}

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

.faq-contact {
    text-align: center;
    margin-top: 4rem;
    background-color: #f9fafb;
    padding: 3rem;
    border-radius: 12px;
}

.faq-contact h2 {
    margin-bottom: 1rem;
    color: #1f2937;
}

.faq-contact p {
    color: #6b7280;
    margin-bottom: 2rem;
}

/* Legal Pages */
.legal-content {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.last-updated {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 3rem;
}

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.legal-section h3 {
    color: #374151;
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
    font-size: 1.25rem;
}

.legal-section p {
    color: #6b7280;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.legal-section ul {
    color: #6b7280;
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.contact-info {
    background-color: #f9fafb;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: #d1d5db;
    padding: 60px 0 20px 0;
}

.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-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo {
    width: 32px;
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

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

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

.footer-section ul li a {
    color: #d1d5db;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .trust-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .course-hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .course-purchase {
        position: static;
        order: -1;
    }

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

    .order-summary {
        position: static;
        order: -1;
    }

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

    .catalog-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-controls {
        flex-direction: column;
    }

    .filter-select {
        min-width: auto;
    }

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

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

    .success-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

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

    .checkout-steps {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    .faq-categories {
        justify-content: flex-start;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .offerings-grid,
    .why-choose-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .course-card {
        margin-bottom: 1rem;
    }

    .checkout-steps {
        gap: 0.5rem;
    }

    .step-label {
        display: none;
    }

    .faq-question {
        padding: 1rem;
        font-size: 0.9rem;
    }

    .faq-answer {
        padding: 0 1rem 1rem 1rem;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn-primary {
        background-color: #000;
        border: 2px solid #000;
    }
    
    .btn-secondary {
        background-color: #000;
        color: #fff;
        border: 2px solid #000;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .nav,
    .btn,
    .checkout-section,
    .contact-form {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}

<!--