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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 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 {
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    color: #1a365d;
}

h2 {
    font-size: 2rem;
    color: #1a365d;
}

h3 {
    font-size: 1.5rem;
    color: #2d3748;
}

h4 {
    font-size: 1.25rem;
    color: #2d3748;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #3182ce;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #2c5aa0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.5;
}

.btn-primary {
    background-color: #3182ce;
    color: white;
}

.btn-primary:hover {
    background-color: #2c5aa0;
    color: white;
}

.btn-secondary {
    background-color: #718096;
    color: white;
}

.btn-secondary:hover {
    background-color: #4a5568;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: #3182ce;
    border: 2px solid #3182ce;
}

.btn-outline:hover {
    background-color: #3182ce;
    color: white;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2d3748;
    color: white;
    padding: 1rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}

.cookie-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cookie-buttons .btn {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* Navigation */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a365d;
    text-decoration: none;
}

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

.nav-link {
    color: #4a5568;
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #3182ce;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #3182ce;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #4a5568;
    margin: 3px 0;
    transition: 0.3s;
}

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

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content h1 {
    color: white;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* Page Header */
.page-header {
    background-color: #f7fafc;
    padding: 3rem 0;
    text-align: center;
}

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

.page-header p {
    font-size: 1.1rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background-color: #f7fafc;
}

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

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

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-card img {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: #1a365d;
}

/* CTA Section */
.cta {
    background-color: #3182ce;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* About Content */
.about-content {
    padding: 4rem 0;
}

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

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

/* Course Info */
.course-info {
    padding: 4rem 0;
    background-color: #f7fafc;
}

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

.course-module {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.course-module h3 {
    color: #3182ce;
    margin-bottom: 1rem;
}

/* Team Section */
.team {
    padding: 4rem 0;
}

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

.team-member {
    text-align: center;
    padding: 2rem;
}

.team-member h3 {
    color: #1a365d;
    margin-bottom: 0.5rem;
}

/* Services Styles */
.services-overview {
    padding: 4rem 0;
}

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

.service-benefits ul {
    list-style-type: none;
    padding-left: 0;
}

.service-benefits li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.service-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #38a169;
    font-weight: bold;
}

.course-features {
    padding: 4rem 0;
    background-color: #f7fafc;
}

.feature {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feature h3 {
    color: #3182ce;
    margin-bottom: 1rem;
}

/* Learning Modules */
.learning-modules {
    padding: 4rem 0;
}

.modules-list {
    margin-top: 2rem;
}

.module {
    background-color: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background-color: #f7fafc;
    cursor: pointer;
}

.module-header h3 {
    margin: 0;
    color: #1a365d;
}

.module-duration {
    background-color: #3182ce;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
}

.module-content {
    padding: 2rem;
}

.module-content ul {
    list-style-type: none;
    padding-left: 0;
}

.module-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.module-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3182ce;
    font-weight: bold;
}

/* Pricing */
.pricing {
    padding: 4rem 0;
    background-color: #f7fafc;
    text-align: center;
}

.pricing-card {
    background-color: white;
    border-radius: 8px;
    padding: 3rem 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 2rem auto 0;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin: 1.5rem 0;
}

.currency {
    font-size: 1.5rem;
    color: #3182ce;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    color: #3182ce;
}

.period {
    font-size: 1rem;
    color: #718096;
    margin-left: 0.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin: 2rem 0;
}

.pricing-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #38a169;
    font-weight: bold;
}

.guarantee {
    font-size: 0.875rem;
    color: #718096;
    margin-top: 1rem;
}

/* Testimonials */
.testimonials-hero {
    padding: 4rem 0;
}

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

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2rem;
    color: #3182ce;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #718096;
    margin: 0;
}

.featured-testimonials {
    padding: 4rem 0;
    background-color: #f7fafc;
}

.all-testimonials {
    padding: 4rem 0;
}

.testimonial {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.testimonial.featured {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.testimonial-content {
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.3);
    position: absolute;
    top: -1rem;
    left: -0.5rem;
}

.testimonial.featured .quote-icon {
    color: rgba(255, 255, 255, 0.3);
}

.testimonial:not(.featured) .quote-icon {
    color: rgba(49, 130, 206, 0.3);
}

.testimonial-author {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.testimonial:not(.featured) .testimonial-author {
    border-top-color: #e2e8f0;
}

.testimonial-author h4 {
    margin: 0;
    font-size: 1rem;
}

.testimonial-author p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.8;
}

.savings {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 0.5rem;
}

/* Blog Styles */
.blog-hero {
    padding: 4rem 0;
}

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

.featured-articles {
    padding: 4rem 0;
    background-color: #f7fafc;
}

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

.article-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.article-card.featured {
    grid-column: 1 / -1;
}

.article-card {
    padding: 2rem;
}

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

.article-category {
    background-color: #3182ce;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
}

.article-date {
    color: #718096;
}

.reading-time {
    color: #718096;
}

.article-card h3 {
    margin-bottom: 1rem;
}

.article-card h3 a {
    color: #1a365d;
    text-decoration: none;
}

.article-card h3 a:hover {
    color: #3182ce;
}

.read-more {
    color: #3182ce;
    font-weight: 500;
    text-decoration: none;
}

.read-more:hover {
    text-decoration: underline;
}

.blog-categories {
    padding: 4rem 0;
}

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

.category-card {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.category-card h3 {
    color: #3182ce;
    margin-bottom: 1rem;
}

.post-count {
    color: #718096;
    font-size: 0.875rem;
    font-weight: 500;
}

.newsletter-signup {
    background-color: #3182ce;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

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

.newsletter-content p {
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
}

.newsletter-note {
    font-size: 0.875rem;
    opacity: 0.8;
    margin: 0;
}

/* Blog Article Styles */
.blog-article {
    padding: 2rem 0;
}

.article-header {
    margin-bottom: 3rem;
}

.article-header .article-meta {
    margin-bottom: 1rem;
}

.article-header h1 {
    margin-bottom: 1rem;
    max-width: 900px;
}

.article-lead {
    font-size: 1.2rem;
    color: #4a5568;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.article-author {
    margin-bottom: 2rem;
    color: #718096;
    font-weight: 500;
}

.article-image {
    margin-bottom: 2rem;
}

.article-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 8px;
}

.article-content {
    max-width: 800px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: #1a365d;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

.article-content h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: #2d3748;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-cta {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin: 3rem 0;
}

.article-cta h3 {
    color: #1a365d;
    margin-bottom: 1rem;
}

.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e2e8f0;
}

.article-tags {
    margin-bottom: 1rem;
}

.tag {
    background-color: #e2e8f0;
    color: #4a5568;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    margin-right: 0.5rem;
}

.article-share {
    margin-bottom: 2rem;
}

.share-link {
    margin-left: 1rem;
    color: #3182ce;
    text-decoration: none;
}

.share-link:hover {
    text-decoration: underline;
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* Contact Styles */
.contact-content {
    padding: 4rem 0;
}

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

.contact-details {
    margin-top: 2rem;
}

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

.contact-item h4 {
    color: #3182ce;
    margin-bottom: 0.5rem;
}

.contact-form-section {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 8px;
}

.subscription-form {
    margin-top: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2d3748;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    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: #3182ce;
}

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

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
}

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

.form-guarantee {
    background-color: #e6fffa;
    border: 1px solid #81e6d9;
    border-radius: 6px;
    padding: 1rem;
    margin-top: 1rem;
    text-align: center;
}

.faq {
    padding: 4rem 0;
    background-color: #f7fafc;
}

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

.faq-item {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: #3182ce;
    margin-bottom: 1rem;
}

/* Thank You Page */
.thank-you {
    padding: 4rem 0;
    text-align: center;
}

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

.thank-you-icon {
    margin-bottom: 2rem;
}

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

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

.step {
    text-align: center;
    padding: 1.5rem;
    background-color: #f7fafc;
    border-radius: 8px;
}

.step-number {
    background-color: #3182ce;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.immediate-tips {
    margin: 3rem 0;
    text-align: left;
}

.tips-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tip {
    background-color: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
}

.tip h4 {
    color: #3182ce;
    margin-bottom: 0.75rem;
}

.contact-support {
    margin: 3rem 0;
}

.support-details {
    background-color: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.thank-you-actions {
    margin: 3rem 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.guarantee-reminder {
    background-color: #e6fffa;
    border: 1px solid #81e6d9;
    border-radius: 8px;
    padding: 2rem;
    margin-top: 3rem;
}

.guarantee-reminder h4 {
    color: #1a365d;
    margin-bottom: 1rem;
}

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

.legal-text {
    max-width: 800px;
    margin: 2rem 0;
    line-height: 1.8;
}

.legal-text h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: #1a365d;
}

.legal-text h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #2d3748;
}

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

.legal-text li {
    margin-bottom: 0.5rem;
}

.last-updated {
    color: #718096;
    font-style: italic;
    margin-bottom: 2rem;
}

.contact-details {
    background-color: #f7fafc;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.cookie-table {
    margin: 1.5rem 0;
}

.cookie-table table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cookie-table th,
.cookie-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.cookie-table th {
    background-color: #f7fafc;
    font-weight: 600;
    color: #2d3748;
}

.cookie-controls {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    margin: 2rem 0;
}

/* Footer */
.footer {
    background-color: #2d3748;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    color: #cbd5e0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .services-grid,
    .testimonials-grid,
    .blog-hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 1rem;
    }
    
    .thank-you-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .tips-list {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 1rem 15px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .pricing-card {
        padding: 2rem 1rem;
    }
    
    .module-header {
        padding: 1rem;
    }
    
    .module-content {
        padding: 1rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 2rem; }

/* Hidden class for JavaScript */
.hidden {
    display: none !important;
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}