/* 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 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5em;
}

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: #2563eb;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

ul, ol {
    margin-left: 1.5em;
    margin-bottom: 1em;
}

li {
    margin-bottom: 0.5em;
    color: #555;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
}

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

.btn-primary:hover {
    background-color: #1d4ed8;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: #4b5563;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background-color: #2563eb;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

/* Header */
.header {
    background-color: #fff;
    border-bottom: 1px solid #e5e7eb;
    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: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1a1a1a;
}

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

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

.nav a {
    color: #555;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: #2563eb;
    text-decoration: none;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #2563eb;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 4rem 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: 1.25rem;
    margin-bottom: 2rem;
    color: #64748b;
}

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

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

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

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

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

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

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

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

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

.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 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

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

.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;
    color: #6b7280;
}

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.course-description {
    color: #64748b;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

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

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

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

/* Trust Section */
.trust-section {
    padding: 4rem 0;
    background-color: #f8fafc;
}

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

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

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

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

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 3rem 0;
    text-align: center;
}

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

.page-header p {
    font-size: 1.25rem;
    color: #64748b;
}

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

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

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

.search-box input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
}

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

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

.filter-controls select {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
}

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

.no-results {
    text-align: center;
    padding: 3rem;
    color: #6b7280;
}

/* Course Detail */
.course-detail {
    padding: 3rem 0;
}

.course-header {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.course-meta-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: #6b7280;
}

.course-description {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.course-sidebar {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    height: fit-content;
}

.course-image-large {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.price-section {
    text-align: center;
    margin-bottom: 2rem;
}

.price-large {
    font-size: 2rem;
    font-weight: 700;
    color: #059669;
    margin-bottom: 1rem;
}

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

.course-sections {
    display: grid;
    gap: 3rem;
}

.section-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 2rem;
}

.section-card h2 {
    margin-bottom: 1.5rem;
    color: #1a1a1a;
}

.what-you-learn ul,
.requirements ul {
    list-style: none;
    margin-left: 0;
}

.what-you-learn li,
.requirements li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
}

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

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

.curriculum-list {
    list-style: none;
    margin-left: 0;
}

.curriculum-item {
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    background: #f9fafb;
}

.lesson-title {
    font-weight: 600;
    color: #1a1a1a;
}

.instructor-card {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.instructor-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #6b7280;
}

.instructor-info h3 {
    margin-bottom: 0.5rem;
}

.instructor-bio {
    color: #64748b;
    font-size: 0.95rem;
}

.faq-list {
    list-style: none;
    margin-left: 0;
}

.faq-item {
    margin-bottom: 1.5rem;
}

.faq-question-text {
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}

.faq-answer-text {
    color: #64748b;
    padding-left: 1rem;
}

/* Checkout Styles */
.checkout-header {
    background: #f8fafc;
    padding: 2rem 0;
}

.checkout-steps {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    background: #e5e7eb;
    color: #6b7280;
}

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

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

.step-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: bold;
}

.checkout-content {
    padding: 3rem 0;
}

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

.checkout-form h2 {
    margin-bottom: 2rem;
}

.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: 8px;
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

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

.error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

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

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

.order-summary {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    height: fit-content;
}

.order-summary h3 {
    margin-bottom: 1.5rem;
}

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

.summary-total {
    font-weight: bold;
    font-size: 1.25rem;
    color: #059669;
}

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

.trust-badges .trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.demo-notice {
    background: #fef3c7;
    color: #92400e;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.payment-methods {
    margin: 2rem 0;
}

.payment-icons {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

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

.security-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #059669;
}

.contact-support {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
    font-size: 0.875rem;
}

.checkbox-group {
    margin: 2rem 0;
}

.checkbox-label {
    display: flex;
    align-items: start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
}

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

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

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

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

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

.success-message {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 3rem;
}

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

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

.steps-list {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
    text-align: left;
}

.step-item {
    display: flex;
    gap: 1rem;
    align-items: start;
}

.step-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 0.5rem;
}

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

.demo-notice {
    background: #f0f9ff;
    color: #0369a1;
    padding: 2rem;
    border-radius: 12px;
    text-align: left;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

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

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.values-section {
    padding: 4rem 0;
    background: #f8fafc;
}

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

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

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

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

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

.commitment-item {
    padding: 1.5rem;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
}

.commitment-item h3 {
    margin-bottom: 1rem;
    color: #2563eb;
}

.contact-cta {
    padding: 4rem 0;
    background: #f8fafc;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
}

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

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

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

.contact-form-section h2 {
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 100%;
}

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

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

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

.contact-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
}

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

.response-times {
    margin-bottom: 2rem;
}

.response-times h3 {
    margin-bottom: 1rem;
}

.response-times ul {
    margin-left: 0;
    list-style: none;
}

.response-times li {
    margin-bottom: 0.5rem;
    color: #555;
}

.support-note {
    background: #f0f9ff;
    padding: 1.5rem;
    border-radius: 8px;
    color: #0369a1;
}

.support-note h3 {
    margin-bottom: 1rem;
    color: #0369a1;
}

.success-message {
    display: none;
    background: #d1fae5;
    color: #065f46;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

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

.contact-faq {
    padding: 4rem 0;
    background: #f8fafc;
}

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

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

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

.faq-cta {
    text-align: center;
}

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

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

.faq-category-btn {
    padding: 12px 24px;
    background: #e5e7eb;
    color: #6b7280;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

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

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

.faq-section {
    display: none;
}

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

.faq-section h2 {
    margin-bottom: 2rem;
    color: #1a1a1a;
}

.faq-items {
    margin-bottom: 2rem;
}

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

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: #f9fafb;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    color: #1a1a1a;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background: #f3f4f6;
}

.faq-question[aria-expanded="true"] {
    background: #e5e7eb;
}

.faq-toggle {
    font-size: 1.25rem;
    font-weight: bold;
    transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
    max-height: 300px;
    padding: 1.5rem;
}

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

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

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

.faq-contact-options {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-info {
    text-align: left;
}

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

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

.legal-document {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.legal-document h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: #1a1a1a;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 0.5rem;
}

.legal-document h2:first-child {
    margin-top: 0;
}

.legal-document h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #2563eb;
}

.legal-document p {
    margin-bottom: 1.5rem;
}

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

.contact-details {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

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

.policy-footer {
    background: #f0f9ff;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 3rem;
    font-style: italic;
    color: #0369a1;
}

/* Footer */
.footer {
    background: #1f2937;
    color: #d1d5db;
    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;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

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

.footer-section ul {
    list-style: none;
    margin: 0;
}

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

.footer-section a {
    color: #d1d5db;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: white;
    text-decoration: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-header {
        grid-template-columns: 1fr;
    }
    
    .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    .order-summary {
        order: -1;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .success-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .faq-contact-options {
        flex-direction: column;
    }
    
    .checkout-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .catalog-controls {
        flex-direction: column;
    }
    
    .filter-controls {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .feature-card,
    .value-card {
        padding: 1.5rem;
    }
    
    .course-content {
        padding: 1rem;
    }
    
    .section-card {
        padding: 1.5rem;
    }
    
    .order-summary,
    .course-sidebar {
        padding: 1.5rem;
    }
    
    .legal-document {
        padding: 0 1rem;
    }
    
    .faq-categories {
        flex-direction: column;
        align-items: center;
    }
    
    .faq-category-btn {
        width: 200px;
    }
}

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

/* Print Styles */
@media print {
    .header,
    .footer,
    .mobile-menu-toggle,
    .btn {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    .page-header {
        background: none !important;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid #000;
    }
    
    .btn-secondary {
        border: 2px solid #000;
    }
    
    .course-card,
    .feature-card,
    .value-card {
        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;
    }
}