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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.ad-notice {
    background-color: #f0f0f0;
    color: #666;
    text-align: center;
    padding: 8px 16px;
    font-size: 13px;
    border-bottom: 1px solid #ddd;
}

.main-nav {
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 24px;
    font-weight: 700;
    color: #2c5282;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #2c5282;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.hero-section {
    padding: 60px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-card {
    max-width: 1400px;
    margin: 0 auto;
    background-color: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    display: flex;
    flex-direction: column;
}

.hero-content {
    padding: 60px 50px;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    color: #1a202c;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 22px;
    color: #4a5568;
    font-weight: 400;
}

.hero-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
}

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

.intro-cards {
    padding: 80px 40px;
    background-color: #fafafa;
}

.card-grid {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.info-card {
    flex: 1;
    min-width: 300px;
    padding: 40px 35px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.info-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 16px;
}

.info-card p {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.7;
}

.story-section {
    padding: 80px 40px;
    background-color: #ffffff;
}

.story-card {
    display: flex;
    gap: 60px;
    align-items: center;
    flex-wrap: wrap;
}

.story-image {
    flex: 1;
    min-width: 350px;
    height: 450px;
    border-radius: 12px;
    overflow: hidden;
}

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

.story-content {
    flex: 1;
    min-width: 350px;
}

.story-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 24px;
    line-height: 1.3;
}

.story-content p {
    font-size: 17px;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 18px;
}

.benefits-section {
    padding: 80px 40px;
    background-color: #f7fafc;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: #1a202c;
    text-align: center;
    margin-bottom: 60px;
}

.benefits-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.benefit-card {
    flex: 1;
    min-width: 280px;
    max-width: calc(50% - 15px);
    padding: 40px 35px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.benefit-icon {
    font-size: 40px;
    color: #48bb78;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 14px;
}

.benefit-card p {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.7;
}

.science-section {
    padding: 80px 40px;
    background-color: #edf2f7;
}

.science-card {
    background-color: #ffffff;
    padding: 50px 45px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.science-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 24px;
}

.science-card p {
    font-size: 17px;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 18px;
}

.citation {
    color: #3182ce;
    text-decoration: none;
    font-weight: 600;
}

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

.testimonials-section {
    padding: 80px 40px;
    background-color: #ffffff;
}

.testimonial-grid {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.testimonial-card {
    flex: 1;
    min-width: 300px;
    padding: 35px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.testimonial-text {
    font-size: 16px;
    color: #2d3748;
    line-height: 1.7;
    margin-bottom: 18px;
    font-style: italic;
}

.testimonial-author {
    font-size: 14px;
    color: #718096;
    font-weight: 600;
}

.services-preview {
    padding: 80px 40px;
    background-color: #f7fafc;
}

.services-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.service-card {
    flex: 1;
    min-width: 320px;
    max-width: calc(33.333% - 20px);
    background-color: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.service-image {
    width: 100%;
    height: 260px;
    overflow: hidden;
}

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

.service-content {
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 14px;
}

.service-content p {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-price {
    font-size: 24px;
    font-weight: 700;
    color: #2c5282;
    margin-top: auto;
    margin-bottom: 20px;
}

.select-service-btn {
    background-color: #3182ce;
    color: #ffffff;
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.select-service-btn:hover {
    background-color: #2c5282;
}

.form-section {
    padding: 80px 40px;
    background-color: #edf2f7;
}

.form-card {
    max-width: 700px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 50px 45px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.form-card h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 16px;
    text-align: center;
}

.form-intro {
    font-size: 16px;
    color: #4a5568;
    text-align: center;
    margin-bottom: 40px;
}

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

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3182ce;
}

.form-group input[readonly] {
    background-color: #edf2f7;
    cursor: not-allowed;
}

.submit-btn {
    width: 100%;
    background-color: #48bb78;
    color: #ffffff;
    border: none;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #38a169;
}

.disclaimer-section {
    padding: 60px 40px;
    background-color: #fffaf0;
}

.disclaimer-card {
    background-color: #ffffff;
    padding: 40px 35px;
    border-radius: 12px;
    border-left: 5px solid #ed8936;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.disclaimer-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #c05621;
    margin-bottom: 16px;
}

.disclaimer-card p {
    font-size: 15px;
    color: #4a5568;
    line-height: 1.7;
}

.main-footer {
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 60px 40px 30px;
}

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

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

.footer-section h4 {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 20px;
}

.footer-section p {
    font-size: 14px;
    color: #cbd5e0;
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: #cbd5e0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #ffffff;
}

.references li {
    margin-bottom: 8px;
    font-size: 12px;
    line-height: 1.5;
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid #4a5568;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: #a0aec0;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #1a202c;
    color: #ffffff;
    padding: 24px 40px;
    box-shadow: 0 -4px 16px rgba(0,0,0,0.3);
    z-index: 1000;
    display: none;
}

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

.cookie-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    font-size: 15px;
    line-height: 1.6;
    min-width: 300px;
}

.cookie-content a {
    color: #63b3ed;
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 16px;
}

.cookie-btn {
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cookie-btn.accept {
    background-color: #48bb78;
    color: #ffffff;
}

.cookie-btn.accept:hover {
    background-color: #38a169;
}

.cookie-btn.reject {
    background-color: #718096;
    color: #ffffff;
}

.cookie-btn.reject:hover {
    background-color: #4a5568;
}

.legal-page {
    padding: 80px 40px;
    background-color: #f7fafc;
    min-height: 60vh;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 60px 50px;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.legal-content h1 {
    font-size: 36px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid #3182ce;
}

.legal-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: #2d3748;
    margin-top: 40px;
    margin-bottom: 16px;
}

.legal-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #2d3748;
    margin-top: 30px;
    margin-bottom: 14px;
}

.legal-content p {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-content ul {
    margin-left: 24px;
    margin-bottom: 16px;
}

.legal-content ul li {
    font-size: 16px;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 10px;
}

.legal-content a {
    color: #3182ce;
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .card-grid,
    .benefits-grid,
    .testimonial-grid,
    .services-grid {
        flex-direction: column;
    }

    .benefit-card,
    .service-card {
        max-width: 100%;
    }

    .story-card {
        flex-direction: column;
    }

    .footer-container {
        flex-direction: column;
        gap: 40px;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        width: 100%;
        flex-direction: column;
    }

    .cookie-btn {
        width: 100%;
    }

    .legal-content {
        padding: 40px 30px;
    }

    .legal-content h1 {
        font-size: 28px;
    }

    .legal-content h2 {
        font-size: 20px;
    }
}