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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #2c3e50;
    color: #ffffff;
    padding: 20px;
    z-index: 9999;
    display: none;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.cookie-content p {
    flex: 1;
    min-width: 250px;
}

.cookie-actions {
    display: flex;
    gap: 10px;
}

.btn-accept,
.btn-reject {
    padding: 10px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-accept {
    background: #27ae60;
    color: white;
}

.btn-accept:hover {
    background: #229954;
}

.btn-reject {
    background: transparent;
    color: white;
    border: 1px solid white;
}

.btn-reject:hover {
    background: rgba(255, 255, 255, 0.1);
}

.main-nav {
    background: #ffffff;
    padding: 20px 0;
    border-bottom: 1px solid #e0e0e0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #3498db;
}

.ad-notice {
    font-size: 12px;
    color: #7f8c8d;
    font-style: italic;
    padding: 4px 12px;
    background: #ecf0f1;
    border-radius: 4px;
}

.hero-section {
    position: relative;
    height: 85vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-image-wrapper {
    width: 100%;
    height: 100%;
    background: #34495e;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.8), rgba(52, 152, 219, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    padding: 40px;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 52px;
    line-height: 1.2;
    margin-bottom: 24px;
    font-weight: 800;
}

.hero-content p {
    font-size: 22px;
    line-height: 1.5;
    opacity: 0.95;
}

.intro-section {
    padding: 100px 20px;
    background: #f8f9fa;
}

.narrow-content {
    max-width: 700px;
    margin: 0 auto;
}

.lead-text {
    font-size: 24px;
    line-height: 1.7;
    color: #2c3e50;
    margin-bottom: 28px;
    font-weight: 500;
}

.narrow-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: #34495e;
}

.inline-image {
    width: 100%;
    height: auto;
    margin: 40px 0;
    border-radius: 8px;
    object-fit: cover;
}

.problem-section {
    padding: 100px 20px;
    background: #ffffff;
}

.split-layout {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: center;
}

.split-text {
    flex: 1;
}

.split-text h2 {
    font-size: 38px;
    margin-bottom: 28px;
    color: #2c3e50;
    line-height: 1.3;
}

.split-text p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #34495e;
}

.problem-list {
    list-style: none;
    margin: 30px 0;
}

.problem-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    font-size: 18px;
    line-height: 1.6;
}

.problem-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #e74c3c;
    font-size: 28px;
}

.footnote {
    font-size: 16px;
    color: #7f8c8d;
    font-style: italic;
}

.citation {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.citation:hover {
    text-decoration: underline;
}

.split-image {
    flex: 1;
    background: #ecf0f1;
}

.split-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: cover;
}

.insight-section {
    padding: 120px 20px;
    background: #2c3e50;
    color: white;
}

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

.centered-block h2 {
    font-size: 42px;
    margin-bottom: 32px;
    line-height: 1.3;
}

.centered-block p {
    font-size: 19px;
    line-height: 1.7;
    margin-bottom: 24px;
}

.insight-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    margin: 50px 0;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.insight-quote {
    font-size: 22px;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 16px;
}

.insight-source {
    font-size: 16px;
    opacity: 0.8;
}

.science-section {
    padding: 100px 20px;
    background: #ffffff;
}

.science-steps {
    margin: 50px 0;
}

.step-item {
    margin-bottom: 40px;
    padding-left: 30px;
    border-left: 3px solid #3498db;
}

.step-item h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #2c3e50;
}

.step-item p {
    font-size: 17px;
    line-height: 1.7;
    color: #34495e;
}

.scientific-note {
    background: #ecf0f1;
    padding: 24px;
    border-radius: 6px;
    font-size: 16px;
    line-height: 1.7;
    margin-top: 40px;
}

.trust-section {
    padding: 100px 20px;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
    color: #2c3e50;
}

.testimonial-grid {
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    background: white;
    padding: 36px;
    margin-bottom: 24px;
    border-radius: 8px;
    border-left: 4px solid #27ae60;
}

.testimonial-card p {
    font-size: 18px;
    line-height: 1.7;
    color: #34495e;
    margin-bottom: 12px;
}

.testimonial-author {
    font-size: 15px;
    color: #7f8c8d;
    font-weight: 600;
}

.benefits-section {
    padding: 100px 20px;
    background: #ffffff;
}

.benefits-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

.benefits-wrapper h2 {
    text-align: center;
    font-size: 42px;
    margin-bottom: 70px;
    color: #2c3e50;
}

.benefits-columns {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.benefit-card {
    flex: 1;
    min-width: 300px;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
}

.benefit-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.benefit-card h3 {
    font-size: 24px;
    padding: 24px 24px 12px;
    color: #2c3e50;
}

.benefit-card p {
    font-size: 17px;
    line-height: 1.7;
    padding: 0 24px 24px;
    color: #34495e;
}

.services-preview {
    padding: 100px 20px;
    background: #ecf0f1;
}

.services-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.services-intro h2 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.services-intro p {
    font-size: 19px;
    color: #34495e;
}

.service-cards {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.service-card {
    flex: 1 1 calc(33.333% - 20px);
    min-width: 320px;
    background: white;
    padding: 32px;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: #3498db;
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.service-card.selected {
    border-color: #27ae60;
    background: #f0fff4;
}

.service-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #2c3e50;
}

.service-card p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: #34495e;
}

.service-features {
    list-style: none;
    margin: 24px 0;
}

.service-features li {
    padding: 8px 0 8px 24px;
    position: relative;
    font-size: 15px;
    color: #34495e;
}

.service-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

.service-price {
    font-size: 28px;
    font-weight: 700;
    color: #2c3e50;
    margin: 24px 0;
}

.btn-select {
    width: 100%;
    padding: 14px 24px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-select:hover {
    background: #2980b9;
}

.btn-select:active {
    transform: scale(0.98);
}

.form-section {
    padding: 100px 20px;
    background: #ffffff;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-container h2 {
    font-size: 38px;
    margin-bottom: 16px;
    color: #2c3e50;
    text-align: center;
}

.form-intro {
    text-align: center;
    font-size: 17px;
    color: #7f8c8d;
    margin-bottom: 40px;
}

.service-display {
    background: #ecf0f1;
    padding: 20px;
    border-radius: 6px;
    margin-bottom: 30px;
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    text-align: center;
    display: none;
}

.service-display.show {
    display: block;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

.btn-submit {
    width: 100%;
    padding: 16px 32px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-submit:hover {
    background: #229954;
}

.btn-submit:active {
    transform: scale(0.98);
}

.disclaimer-section {
    padding: 60px 20px;
    background: #f8f9fa;
}

.disclaimer-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 32px;
    background: white;
    border-left: 4px solid #e67e22;
    border-radius: 6px;
}

.disclaimer-content h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #2c3e50;
}

.disclaimer-content p {
    font-size: 15px;
    line-height: 1.7;
    color: #34495e;
}

.main-footer {
    background: #2c3e50;
    color: white;
    padding: 60px 20px 20px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-col {
    flex: 1;
    min-width: 220px;
}

.footer-col h4 {
    font-size: 20px;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 15px;
    line-height: 1.6;
    opacity: 0.9;
}

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

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: white;
    text-decoration: none;
    font-size: 15px;
    opacity: 0.85;
    transition: opacity 0.3s ease;
}

.footer-col ul li a:hover {
    opacity: 1;
    text-decoration: underline;
}

.references-list {
    padding-left: 20px;
}

.references-list li {
    margin-bottom: 12px;
    font-size: 13px;
    line-height: 1.6;
}

.references-list a {
    color: #3498db;
    text-decoration: none;
}

.references-list a:hover {
    text-decoration: underline;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
}

.thanks-page {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: #f8f9fa;
}

.thanks-content {
    max-width: 600px;
    background: white;
    padding: 60px 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.thanks-content h1 {
    font-size: 42px;
    margin-bottom: 20px;
    color: #27ae60;
}

.thanks-content p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 16px;
    color: #34495e;
}

.thanks-content a {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 32px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.thanks-content a:hover {
    background: #2980b9;
}

.contact-page {
    padding: 80px 20px;
    background: #f8f9fa;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 60px 40px;
    border-radius: 8px;
}

.contact-container h1 {
    font-size: 42px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.contact-info {
    margin-bottom: 30px;
}

.contact-info h2 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #2c3e50;
}

.contact-info p {
    font-size: 18px;
    line-height: 1.8;
    color: #34495e;
    margin-bottom: 8px;
}

.legal-page {
    padding: 80px 20px;
    background: #f8f9fa;
}

.legal-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 60px 50px;
    border-radius: 8px;
}

.legal-container h1 {
    font-size: 38px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.legal-container h2 {
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 16px;
    color: #2c3e50;
}

.legal-container p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
    color: #34495e;
}

.legal-container ul {
    margin: 16px 0 16px 24px;
}

.legal-container ul li {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 8px;
    color: #34495e;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 18px;
    }

    .split-layout {
        flex-direction: column;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-links a {
        font-size: 14px;
    }

    .ad-notice {
        display: none;
    }

    .benefits-columns {
        flex-direction: column;
    }

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