:root {
    --color-white: #ffffff;
    --color-indigo: #4B5DAA;
    --color-indigo-dark: #3A4788;
    --color-indigo-light: #6B7BC9;
    --color-gray-light: #F5F7FA;
    --color-gray: #E5E7EB;
    --color-gray-medium: #9CA3AF;
    --color-gray-dark: #4B5563;
    --color-text: #1F2937;
    --color-text-light: #6B7280;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.6;
    background-color: var(--color-white);
}

.main-header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.container-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    border-radius: 8px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-indigo);
}

.primary-nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color var(--transition-speed);
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-indigo);
}

.container-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-section {
    padding: 4rem 0;
    background-color: var(--color-gray-light);
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-indigo);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-indigo);
    color: var(--color-white);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color var(--transition-speed);
}

.cta-button:hover {
    background-color: var(--color-indigo-dark);
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.features-section,
.course-structure,
.testimonials-section,
.expert-interview {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-indigo);
    text-align: center;
    margin-bottom: 3rem;
}

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

.feature-card,
.testimonial-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-gray);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.feature-card:hover,
.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(75, 93, 170, 0.1);
}

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

.feature-card h3,
.testimonial-card .testimonial-author {
    color: var(--color-indigo);
    margin-bottom: 1rem;
    font-weight: 600;
}

.syllabus-overview {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.syllabus-item {
    background-color: var(--color-gray-light);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--color-indigo);
}

.cta-center {
    text-align: center;
    margin-top: 3rem;
}

.cta-button-secondary {
    display: inline-block;
    background-color: var(--color-white);
    color: var(--color-indigo);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--color-indigo);
    transition: all var(--transition-speed);
}

.cta-button-secondary:hover {
    background-color: var(--color-indigo);
    color: var(--color-white);
}

.testimonial-text {
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

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

.expert-photo img {
    width: 100%;
    border-radius: 12px;
}

.expert-title {
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.interview-qa {
    margin-bottom: 2rem;
}

.disclaimer-section {
    padding: 3rem 0;
    background-color: var(--color-gray-light);
}

.disclaimer-box {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--color-indigo-light);
}

.disclaimer-box h3 {
    color: var(--color-indigo);
    margin-bottom: 1rem;
}

.main-footer {
    background-color: var(--color-indigo-dark);
    color: var(--color-white);
    padding: 3rem 0 1rem;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: var(--color-white);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    transition: opacity var(--transition-speed);
}

.footer-links a:hover {
    opacity: 1;
}

.social-icons,
.social-icons-large {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icons a,
.social-icons-large a {
    color: var(--color-white);
    transition: opacity var(--transition-speed);
}

.social-icons a:hover,
.social-icons-large a:hover {
    opacity: 0.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.8;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-top: 2px solid var(--color-indigo);
    padding: 1.5rem;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
    z-index: 2000;
    display: none;
}

.cookie-banner.show {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

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

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.cookie-btn.accept-all {
    background-color: var(--color-indigo);
    color: var(--color-white);
}

.cookie-btn.customize {
    background-color: var(--color-gray-light);
    color: var(--color-text);
}

.cookie-btn.decline {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-gray);
}

.page-hero {
    background-color: var(--color-indigo);
    color: var(--color-white);
    padding: 3rem 0;
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.lead-text {
    font-size: 1.2rem;
    opacity: 0.9;
}

.course-overview-section {
    padding: 4rem 0;
    background-color: var(--color-gray-light);
}

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

.overview-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

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

.lesson-card {
    margin-bottom: 2rem;
    padding: 2rem;
    border-radius: 12px;
}

.lesson-card.white-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
}

.lesson-card.indigo-card {
    background-color: var(--color-indigo-light);
    color: var(--color-white);
}

.lesson-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.lesson-duration {
    background-color: rgba(0,0,0,0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.lesson-list {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.lesson-list li {
    margin-bottom: 0.5rem;
}

.downloadable-materials {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0,0,0,0.1);
}

.tests-section {
    padding: 4rem 0;
    background-color: var(--color-gray-light);
}

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

.tests-content img {
    width: 100%;
    border-radius: 12px;
}

.requirements-list {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.cta-section {
    padding: 4rem 0;
    background-color: var(--color-indigo);
    color: var(--color-white);
    text-align: center;
}

.cta-description {
    font-size: 1.2rem;
    margin: 1rem 0 2rem;
}

.cta-button-large {
    display: inline-block;
    background-color: var(--color-white);
    color: var(--color-indigo);
    padding: 1.25rem 3rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform var(--transition-speed);
}

.cta-button-large:hover {
    transform: scale(1.05);
}

.disclaimer-text {
    margin-top: 2rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.blog-posts-section {
    padding: 4rem 0;
}

.blog-grid {
    display: grid;
    gap: 2rem;
}

.blog-post-card {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-gray);
    display: grid;
    grid-template-columns: 400px 1fr;
    transition: box-shadow var(--transition-speed);
}

.blog-post-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-content {
    padding: 2rem;
}

.post-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.post-date,
.post-category {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.post-category {
    color: var(--color-indigo);
    font-weight: 600;
}

.post-title {
    font-size: 1.5rem;
    color: var(--color-indigo);
    margin-bottom: 1rem;
}

.post-excerpt {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

.read-more-btn {
    color: var(--color-indigo);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-speed);
}

.read-more-btn:hover {
    color: var(--color-indigo-dark);
}

.newsletter-section {
    padding: 4rem 0;
    background-color: var(--color-gray-light);
}

.newsletter-box {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: 1px solid var(--color-gray);
    border-radius: 6px;
    font-size: 1rem;
}

.newsletter-btn {
    padding: 1rem 2rem;
    background-color: var(--color-indigo);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.newsletter-btn:hover {
    background-color: var(--color-indigo-dark);
}

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

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

.mission-text p {
    margin-bottom: 1rem;
}

.mission-image img {
    width: 100%;
    border-radius: 12px;
}

.team-section {
    padding: 4rem 0;
    background-color: var(--color-gray-light);
}

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

.team-member-card {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
}

.team-member-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.team-member-card h3 {
    color: var(--color-indigo);
    margin: 1rem 1rem 0.5rem;
}

.member-position {
    color: var(--color-text-light);
    font-weight: 600;
    margin: 0 1rem 1rem;
}

.team-member-card p {
    padding: 0 1rem 1.5rem;
    color: var(--color-text-light);
}

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

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

.value-card {
    text-align: center;
    padding: 2rem;
}

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

.stats-section {
    padding: 4rem 0;
    background-color: var(--color-indigo);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

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

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

.contact-info h2,
.contact-form-container h2 {
    color: var(--color-indigo);
    margin-bottom: 2rem;
}

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

.contact-icon {
    font-size: 2rem;
}

.contact-details h3 {
    color: var(--color-indigo);
    margin-bottom: 0.5rem;
}

.contact-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.contact-details a {
    color: var(--color-indigo);
    text-decoration: none;
}

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

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

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 1px solid var(--color-gray);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    padding: 1rem 2rem;
    background-color: var(--color-indigo);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.submit-btn:hover {
    background-color: var(--color-indigo-dark);
}

.map-section {
    padding: 4rem 0;
    background-color: var(--color-gray-light);
}

.map-placeholder {
    text-align: center;
}

.map-placeholder img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.map-note {
    margin-top: 1rem;
    color: var(--color-text-light);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 3000;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background-color: var(--color-white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    max-width: 500px;
}

.modal-icon {
    font-size: 4rem;
    color: var(--color-indigo);
    margin-bottom: 1rem;
}

.modal-close-btn {
    margin-top: 2rem;
    padding: 0.75rem 2rem;
    background-color: var(--color-indigo);
    color: var(--color-white);
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}

.post-single {
    padding: 4rem 0;
}

.container-post {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

.post-header-single {
    margin-bottom: 3rem;
}

.post-meta-single {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.post-header-single h1 {
    font-size: 2.5rem;
    color: var(--color-indigo);
    margin-bottom: 2rem;
}

.post-featured-image {
    width: 100%;
    border-radius: 12px;
}

.post-content-single {
    font-size: 1.1rem;
    line-height: 1.8;
}

.post-content-single h2 {
    color: var(--color-indigo);
    margin: 2rem 0 1rem;
    font-size: 2rem;
}

.post-content-single p {
    margin-bottom: 1.5rem;
}

.post-content-single ul,
.post-content-single ol {
    margin: 1rem 0 1.5rem 2rem;
}

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

.lead-paragraph {
    font-size: 1.3rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.post-cta {
    background-color: var(--color-gray-light);
    padding: 2rem;
    border-radius: 12px;
    margin: 3rem 0;
    text-align: center;
}

.post-cta h3 {
    color: var(--color-indigo);
    margin-bottom: 1rem;
}

.post-navigation {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray);
}

.back-to-blog {
    color: var(--color-indigo);
    text-decoration: none;
    font-weight: 600;
}

@media (max-width: 768px) {
    .primary-nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-content,
    .mission-content,
    .interview-block,
    .tests-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .blog-post-card {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}