/* 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;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: #333;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.2;
}

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

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f8fafc;
    color: #475569;
    border: 2px solid #e2e8f0;
}

.btn-secondary:hover {
    background: #e2e8f0;
    color: #334155;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

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

/* Features Section */
.features {
    padding: 4rem 0;
    background: #f8fafc;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1e293b;
}

.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;
}

.feature-card:hover {
    transform: translateY(-4px);
}

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

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-description {
    color: #64748b;
}

/* Featured Courses */
.featured-courses {
    padding: 4rem 0;
}

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

.section-description {
    font-size: 1.125rem;
    color: #64748b;
    margin-top: 1rem;
}

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

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

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px 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: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.course-category,
.course-difficulty,
.course-duration {
    background: #e0f2fe;
    color: #0277bd;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.course-description {
    color: #64748b;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.course-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.course-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

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

/* Trust Indicators */
.trust-indicators {
    padding: 4rem 0;
    background: #f8fafc;
}

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

.trust-item {
    text-align: center;
    padding: 2rem;
}

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

.trust-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.trust-item p {
    color: #64748b;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.page-description {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Courses Catalog */
.courses-catalog {
    padding: 3rem 0;
}

.catalog-filters {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: end;
}

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

.filter-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}

.search-input,
.filter-select {
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.search-input:focus,
.filter-select:focus {
    outline: none;
    border-color: #2563eb;
}

.results-info {
    margin-bottom: 2rem;
    font-weight: 600;
    color: #374151;
}

/* Course Details */
.course-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0;
}

.course-hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    align-items: center;
}

.breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.breadcrumb span {
    margin: 0 0.5rem;
}

.course-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.course-short-desc {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.course-price-section {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
}

.course-price {
    font-size: 2rem;
    font-weight: 700;
}

.course-content {
    padding: 4rem 0;
}

.course-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
}

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

.course-section h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.learning-objectives {
    list-style: none;
}

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

.learning-objectives li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

.curriculum-list {
    background: #f8fafc;
    border-radius: 8px;
    overflow: hidden;
}

.curriculum-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.curriculum-title {
    font-weight: 600;
    color: #374151;
}

.curriculum-duration {
    color: #6b7280;
    font-size: 0.9rem;
}

.instructor-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.faq-list .faq-item {
    margin-bottom: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    text-align: left;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 1.5rem 1rem;
    display: none;
}

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

.faq-toggle {
    font-size: 1.25rem;
    font-weight: bold;
    color: #2563eb;
}

/* Sidebar */
.course-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.sidebar-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.course-details-list {
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.detail-label {
    font-weight: 600;
    color: #374151;
}

.detail-value {
    color: #6b7280;
}

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

.requirements-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: #6b7280;
}

.requirements-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #2563eb;
    font-weight: bold;
}

/* Checkout */
.checkout-section {
    padding: 3rem 0;
    background: #f8fafc;
    min-height: calc(100vh - 200px);
}

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

.checkout-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1e293b;
}

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

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: white;
    border-radius: 25px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.step.completed {
    background: #10b981;
    color: white;
}

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

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

.step.completed .step-number {
    background: white;
    color: #10b981;
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
}

.checkout-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.checkout-card h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
}

/* Forms */
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}

.form-input,
.form-select,
.form-textarea {
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #dc2626;
}

.form-error {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

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

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

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: #2563eb;
    border-color: #2563eb;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom:after {
    content: "✓";
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-text a {
    color: #2563eb;
    text-decoration: none;
}

.checkbox-text a:hover {
    text-decoration: underline;
}

/* Payment */
.payment-methods {
    margin-bottom: 2rem;
}

.payment-methods h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #374151;
}

.payment-icons {
    display: flex;
    gap: 0.75rem;
}

.payment-notice {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 6px;
    padding: 1rem;
    margin: 1rem 0;
}

.payment-notice p {
    color: #92400e;
    font-size: 0.9rem;
    margin: 0;
}

/* Order Summary */
.order-summary {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}

.order-summary h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.summary-course {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f1f5f9;
}

.summary-course-title {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.summary-course-meta {
    font-size: 0.875rem;
    color: #6b7280;
}

.trust-badges {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.trust-badges h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.badges {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.badge {
    background: #f0f9ff;
    color: #0369a1;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
}

.security-badges {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.security-badges h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.security-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.security-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #f8fafc;
    border-radius: 6px;
}

.security-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

/* Success Page */
.success-section {
    padding: 4rem 0;
    text-align: center;
}

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

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

.success-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.success-message {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 3rem;
}

.order-details {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    text-align: left;
}

.order-details h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.order-info p {
    color: #64748b;
    margin-bottom: 1rem;
}

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

.next-steps h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.step-item {
    text-align: center;
    padding: 1.5rem;
}

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

.step-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.step-item p {
    color: #64748b;
    font-size: 0.9rem;
}

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

.demo-notice {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 2rem;
}

.demo-notice p {
    color: #92400e;
    margin: 0;
    font-size: 0.9rem;
}

/* About Page */
.about-content {
    padding: 3rem 0;
}

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

.about-section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.about-section p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: #64748b;
    margin-bottom: 1.5rem;
}

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

.offering-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.offering-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.offering-card p {
    color: #64748b;
    font-size: 1rem;
    margin: 0;
}

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

.reason-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.reason-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1e293b;
}

.reason-item p {
    color: #64748b;
    font-size: 0.95rem;
    margin: 0;
}

.cta-section {
    text-align: center;
    background: #f8fafc;
    padding: 3rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.cta-section h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.cta-section p {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2rem;
}

/* Contact Page */
.contact-section {
    padding: 3rem 0;
}

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

.contact-info h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.contact-info > p {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-methods {
    margin-bottom: 3rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
}

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

.contact-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

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

.contact-details a {
    color: #2563eb;
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-details small {
    color: #6b7280;
    font-size: 0.875rem;
}

.response-times {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.response-times h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

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

.response-times li {
    padding: 0.5rem 0;
    color: #64748b;
    border-bottom: 1px solid #f1f5f9;
}

.response-times li:last-child {
    border-bottom: none;
}

.form-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.form-card h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-success {
    text-align: center;
    padding: 2rem;
}

.form-success .success-icon {
    width: 60px;
    height: 60px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.form-success h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.form-success p {
    color: #64748b;
    margin: 0;
}

.faq-preview {
    padding: 3rem 0;
    background: #f8fafc;
    text-align: center;
}

.faq-preview h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.faq-preview p {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2rem;
}

/* FAQ Page */
.faq-section {
    padding: 3rem 0;
}

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

.faq-category-btn {
    padding: 0.75rem 1.5rem;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #64748b;
}

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

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

.faq-category h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #1e293b;
}

.faq-contact {
    text-align: center;
    background: #f8fafc;
    padding: 3rem;
    border-radius: 12px;
    margin-top: 3rem;
}

.faq-contact h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.faq-contact p {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2rem;
}

/* Legal Pages */
.legal-content {
    padding: 3rem 0;
}

.legal-text {
    max-width: 800px;
    margin: 0 auto;
}

.legal-text h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 2.5rem 0 1.5rem 0;
    color: #1e293b;
}

.legal-text h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    color: #374151;
}

.legal-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
    color: #374151;
}

.legal-text p {
    font-size: 1rem;
    line-height: 1.7;
    color: #4b5563;
    margin-bottom: 1.5rem;
}

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

.legal-text li {
    color: #4b5563;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-text a {
    color: #2563eb;
    text-decoration: none;
}

.legal-text a:hover {
    text-decoration: underline;
}

.contact-details {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.contact-details p:first-child {
    font-weight: 600;
    color: #1e293b;
}

/* Not Found */
.course-not-found,
.not-found-content {
    text-align: center;
    padding: 4rem 0;
}

.not-found-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.not-found-content p {
    font-size: 1.125rem;
    color: #64748b;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: #1e293b;
    color: #94a3b8;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

.footer-section h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: white;
}

.footer-description {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.contact-info a {
    color: #94a3b8;
    text-decoration: none;
}

.contact-info a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-list {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .course-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .course-layout {
        grid-template-columns: 1fr;
    }
    
    .course-sidebar {
        order: -1;
    }
    
    .checkout-content {
        grid-template-columns: 1fr;
    }
    
    .checkout-sidebar {
        order: -1;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .catalog-filters {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .success-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .checkout-steps {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step {
        justify-content: center;
    }
    
    .faq-categories {
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .course-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .offerings-grid {
        grid-template-columns: 1fr;
    }
    
    .reasons-list {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
}

/* Focus States for Accessibility */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

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

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .btn,
    .mobile-menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
    
    .page-header {
        background: none;
        color: #000;
        padding: 1rem 0;
    }
    
    .legal-text {
        max-width: none;
    }
}