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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.ad-disclosure {
    background-color: #fffbeb;
    color: #92400e;
    text-align: center;
    padding: 8px;
    font-size: 0.875rem;
    border-bottom: 1px solid #fde68a;
}

.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

.hero-section {
    background-color: var(--bg-light);
    padding: 4rem 2rem;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: center;
}

.hero-text-wrapper {
    flex: 1;
}

.hero-text-wrapper h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.cta-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-primary:hover {
    background-color: var(--secondary-color);
}

.cta-secondary {
    background-color: transparent;
    color: var(--primary-color);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    font-weight: 600;
    transition: all 0.3s;
}

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

.hero-image-wrapper {
    flex: 1;
    background-color: #e0e7ff;
    border-radius: 12px;
    overflow: hidden;
}

.story-section {
    padding: 6rem 2rem;
}

.story-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: center;
}

.story-image {
    flex: 1;
    background-color: #dbeafe;
    border-radius: 12px;
    overflow: hidden;
}

.story-content {
    flex: 1;
}

.story-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.story-content p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.25rem;
}

.problem-section {
    background-color: var(--bg-light);
    padding: 6rem 2rem;
}

.problem-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.problem-wrapper h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.problem-grid {
    display: flex;
    gap: 2rem;
}

.problem-card {
    flex: 1;
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.problem-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.insight-section {
    padding: 6rem 2rem;
}

.insight-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: center;
}

.insight-text {
    flex: 1.2;
}

.insight-label {
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.insight-text h2 {
    font-size: 2.5rem;
    margin: 1rem 0 1.5rem 0;
    line-height: 1.3;
}

.insight-text p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.insight-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.check-icon {
    color: var(--success-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.insight-visual {
    flex: 0.8;
    background-color: #fef3c7;
    border-radius: 12px;
    overflow: hidden;
}

.trust-section {
    background-color: var(--bg-light);
    padding: 6rem 2rem;
}

.trust-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.trust-wrapper h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.testimonials-flow {
    display: flex;
    gap: 2rem;
}

.testimonial-card {
    flex: 1;
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    font-size: 1rem;
    color: var(--text-dark);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--text-light);
}

.benefits-section {
    padding: 6rem 2rem;
}

.benefits-container {
    max-width: 1200px;
    margin: 0 auto;
}

.benefits-container h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
}

.benefits-layout {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
}

.benefit-block {
    flex: 1 1 calc(50% - 1.5rem);
    min-width: 300px;
}

.benefit-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.benefit-block h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.benefit-block p {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.7;
}

.methodology-section {
    background-color: var(--bg-light);
    padding: 6rem 2rem;
}

.methodology-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.methodology-visual {
    flex: 0.8;
    background-color: #e0f2fe;
    border-radius: 12px;
    overflow: hidden;
}

.methodology-content {
    flex: 1.2;
}

.methodology-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.method-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.method-step {
    display: flex;
    gap: 1.5rem;
}

.step-marker {
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
}

.step-text h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step-text p {
    color: var(--text-light);
    line-height: 1.7;
}

.programs-section {
    padding: 6rem 2rem;
}

.programs-container {
    max-width: 1400px;
    margin: 0 auto;
}

.programs-container h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.programs-intro {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.programs-grid {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.program-card {
    flex: 1 1 calc(50% - 1rem);
    min-width: 300px;
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

.program-card.featured {
    border-color: var(--primary-color);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.program-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.program-subtitle {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.program-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.program-features li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.program-features li:last-child {
    border-bottom: none;
}

.program-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: 700;
}

.program-duration {
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.program-price {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.select-program-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.select-program-btn:hover {
    background-color: var(--secondary-color);
}

.form-section {
    background-color: var(--bg-light);
    padding: 6rem 2rem;
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.form-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.form-intro p {
    font-size: 1.125rem;
    color: var(--text-light);
}

.enrollment-form {
    background-color: var(--bg-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.submit-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.science-section {
    padding: 4rem 2rem;
    background-color: #f0f9ff;
}

.science-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.science-container h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.references-inline {
    margin-top: 2rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
}

.citation {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.citation:hover {
    color: var(--secondary-color);
}

.final-cta-section {
    padding: 6rem 2rem;
    background-color: var(--text-dark);
    color: white;
}

.final-cta-wrapper {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.final-cta-wrapper h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.final-cta-wrapper p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-large {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 1.25rem 3rem;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.125rem;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-large:hover {
    background-color: #d97706;
}

.site-footer {
    background-color: #111827;
    color: #d1d5db;
    padding: 4rem 2rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column {
    flex: 1;
}

.footer-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-column p {
    line-height: 1.7;
    font-size: 0.9375rem;
}

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

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

.footer-column ul li a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-references {
    max-width: 1200px;
    margin: 0 auto 2rem auto;
    padding-top: 2rem;
    border-top: 1px solid #374151;
}

.footer-references h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-references ol {
    padding-left: 1.5rem;
}

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

.footer-references ol li a {
    color: #93c5fd;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-references ol li a:hover {
    color: white;
}

.footer-disclaimer {
    max-width: 1200px;
    margin: 0 auto 2rem auto;
    padding: 1.5rem;
    background-color: #1f2937;
    border-radius: 8px;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    text-align: center;
    font-size: 0.875rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 2px solid var(--border-color);
    padding: 1.5rem 2rem;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
    z-index: 1000;
    display: none;
}

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

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

.cookie-content p {
    flex: 1;
    margin: 0;
}

.cookie-content a {
    color: var(--primary-color);
}

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

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.cookie-btn.accept:hover {
    background-color: var(--secondary-color);
}

.cookie-btn.reject {
    background-color: #e5e7eb;
    color: var(--text-dark);
}

.cookie-btn.reject:hover {
    background-color: #d1d5db;
}

.contact-info {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.legal-content h2 {
    font-size: 1.75rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.legal-content ul {
    margin-bottom: 1rem;
    margin-left: 2rem;
}

.legal-content ul li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
    color: var(--text-light);
}

.services-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.service-item {
    display: flex;
    gap: 3rem;
    align-items: center;
}

.service-item:nth-child(even) {
    flex-direction: row-reverse;
}

.service-image {
    flex: 1;
    background-color: #dbeafe;
    border-radius: 12px;
    overflow: hidden;
}

.service-details {
    flex: 1;
}

.service-details h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.service-details p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.service-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1.5rem 0;
}

.about-hero {
    background-color: var(--bg-light);
    padding: 4rem 2rem;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.about-content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.about-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.team-section {
    background-color: var(--bg-light);
    padding: 4rem 2rem;
}

.team-container {
    max-width: 1200px;
    margin: 0 auto;
}

.team-container h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
}

.thanks-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 6rem 2rem;
    text-align: center;
}

.thanks-container h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--success-color);
}

.thanks-container p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.thanks-container .cta-primary {
    display: inline-block;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

    .hero-content,
    .story-container,
    .insight-container,
    .methodology-wrapper {
        flex-direction: column;
    }

    .problem-grid,
    .testimonials-flow,
    .footer-content {
        flex-direction: column;
    }

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

    .programs-grid {
        flex-direction: column;
    }

    .program-card {
        flex: 1 1 100%;
    }

    .cookie-content {
        flex-direction: column;
    }

    .service-item,
    .service-item:nth-child(even) {
        flex-direction: column;
    }
}