* {
    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-color: #ffffff;
}

.container-header {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.header-split {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e5e5;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-area .brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.main-nav a {
    color: #4a5568;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav a:hover {
    color: #2d3748;
}

.ad-disclosure {
    font-size: 0.75rem;
    color: #718096;
    padding: 0.25rem 0.75rem;
    background-color: #f7fafc;
    border-radius: 4px;
}

.hero-split {
    display: flex;
    min-height: 600px;
    background-color: #f8f9fa;
}

.hero-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem;
    background-color: #2d3748;
    color: #ffffff;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #e2e8f0;
    max-width: 500px;
}

.hero-visual {
    flex: 1;
    background-color: #cbd5e0;
    position: relative;
    overflow: hidden;
}

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

.cta-primary {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #4299e1;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.3s;
    align-self: flex-start;
}

.cta-primary:hover {
    background-color: #3182ce;
}

.intro-split {
    display: flex;
    max-width: 1400px;
    margin: 6rem auto;
    gap: 4rem;
    padding: 0 2rem;
}

.intro-visual {
    flex: 1;
    background-color: #edf2f7;
    border-radius: 8px;
    overflow: hidden;
}

.intro-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.intro-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.intro-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2d3748;
    font-weight: 700;
}

.intro-content p {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 1rem;
}

.services-highlight {
    background-color: #f7fafc;
    padding: 6rem 2rem;
}

.section-header-center {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header-center h2 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 700;
}

.section-header-center p {
    font-size: 1.2rem;
    color: #718096;
}

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

.service-card {
    display: flex;
    background-color: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.service-card.reverse {
    flex-direction: row-reverse;
}

.service-image {
    flex: 1;
    background-color: #e2e8f0;
    min-height: 300px;
    position: relative;
}

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

.service-info {
    flex: 1;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 700;
}

.service-info p {
    color: #4a5568;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.7;
}

.service-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 1.5rem;
}

.btn-select-service {
    padding: 0.875rem 1.75rem;
    background-color: #4299e1;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    align-self: flex-start;
    font-size: 1rem;
}

.btn-select-service:hover {
    background-color: #3182ce;
}

.benefits-split {
    display: flex;
    max-width: 1400px;
    margin: 6rem auto;
    gap: 4rem;
    padding: 0 2rem;
}

.benefit-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.benefit-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2d3748;
    font-weight: 700;
}

.benefit-list {
    list-style: none;
}

.benefit-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
    font-size: 1.1rem;
    color: #4a5568;
}

.benefit-list li:last-child {
    border-bottom: none;
}

.benefit-visual {
    flex: 1;
    background-color: #edf2f7;
    border-radius: 8px;
    overflow: hidden;
}

.benefit-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.form-section {
    background-color: #2d3748;
    padding: 6rem 2rem;
}

.form-container-split {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
}

.form-intro {
    flex: 1;
    color: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.form-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.form-intro p {
    font-size: 1.1rem;
    color: #e2e8f0;
    line-height: 1.7;
}

.form-wrapper {
    flex: 1;
    background-color: #ffffff;
    padding: 3rem;
    border-radius: 8px;
}

.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;
    color: #2d3748;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4299e1;
}

.btn-submit {
    padding: 1rem 2rem;
    background-color: #4299e1;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

.testimonials {
    padding: 6rem 2rem;
    background-color: #f7fafc;
}

.testimonials h2 {
    text-align: center;
    font-size: 2.75rem;
    margin-bottom: 3rem;
    color: #2d3748;
    font-weight: 700;
}

.testimonials-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 2rem;
}

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

.testimonial-card p {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial-author {
    font-weight: 600;
    color: #2d3748;
}

.scientific-references {
    background-color: #edf2f7;
    padding: 4rem 2rem;
}

.references-content {
    max-width: 900px;
    margin: 0 auto;
}

.references-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: #2d3748;
    font-weight: 700;
}

.references-content p {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.references-content a {
    color: #4299e1;
    text-decoration: none;
}

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

.references-list {
    margin-top: 2rem;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 8px;
}

.references-list h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 700;
}

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

.references-list li {
    margin-bottom: 0.75rem;
    color: #4a5568;
}

.footer-main {
    background-color: #1a202c;
    color: #e2e8f0;
    padding: 4rem 2rem 2rem;
}

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

.footer-section h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 700;
}

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

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

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

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

.footer-section p {
    color: #cbd5e0;
}

.footer-disclaimer {
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding: 2rem;
    background-color: #2d3748;
    border-radius: 8px;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    color: #cbd5e0;
    line-height: 1.6;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    text-align: center;
    color: #718096;
    font-size: 0.875rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2d3748;
    color: #ffffff;
    padding: 1.5rem;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 2000;
    transition: transform 0.3s;
}

.cookie-banner.hidden {
    transform: translateY(100%);
}

.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-actions {
    display: flex;
    gap: 1rem;
}

.btn-cookie {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-cookie.accept {
    background-color: #4299e1;
    color: #ffffff;
}

.btn-cookie.accept:hover {
    background-color: #3182ce;
}

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

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

.about-hero {
    background-color: #2d3748;
    color: #ffffff;
    padding: 6rem 2rem;
    text-align: center;
}

.about-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.about-hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    color: #e2e8f0;
}

.about-content {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 0 2rem;
}

.about-split {
    display: flex;
    gap: 4rem;
    margin-bottom: 6rem;
}

.about-text {
    flex: 1;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2d3748;
    font-weight: 700;
}

.about-text p {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.about-image {
    flex: 1;
    background-color: #edf2f7;
    border-radius: 8px;
    overflow: hidden;
}

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

.values-grid {
    display: flex;
    gap: 2rem;
    margin-top: 4rem;
}

.value-card {
    flex: 1;
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 8px;
}

.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 700;
}

.value-card p {
    color: #4a5568;
    line-height: 1.7;
}

.contact-hero {
    background-color: #2d3748;
    color: #ffffff;
    padding: 6rem 2rem;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.contact-info-split {
    max-width: 1200px;
    margin: 6rem auto;
    padding: 0 2rem;
    display: flex;
    gap: 4rem;
}

.contact-details {
    flex: 1;
}

.contact-details h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2d3748;
    font-weight: 700;
}

.detail-item {
    margin-bottom: 2rem;
}

.detail-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
    font-weight: 700;
}

.detail-item p {
    font-size: 1.1rem;
    color: #4a5568;
}

.contact-map {
    flex: 1;
    background-color: #edf2f7;
    border-radius: 8px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.legal-page h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: #2d3748;
    font-weight: 800;
}

.legal-page h2 {
    font-size: 1.75rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 700;
}

.legal-page p {
    font-size: 1rem;
    color: #4a5568;
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.legal-page li {
    color: #4a5568;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.thanks-container {
    max-width: 800px;
    margin: 8rem auto;
    padding: 0 2rem;
    text-align: center;
}

.thanks-container h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: #2d3748;
    font-weight: 800;
}

.thanks-container p {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.thanks-container .selected-service-display {
    background-color: #f7fafc;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.thanks-container .selected-service-display strong {
    color: #2d3748;
    font-size: 1.1rem;
}

.thanks-container a {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: #4299e1;
    color: #ffffff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.thanks-container a:hover {
    background-color: #3182ce;
}

@media (max-width: 768px) {
    .container-header {
        flex-direction: column;
        gap: 1rem;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

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

    .intro-split,
    .benefits-split,
    .about-split,
    .contact-info-split,
    .form-container-split {
        flex-direction: column;
    }

    .service-card,
    .service-card.reverse {
        flex-direction: column;
    }

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

    .footer-content-split {
        flex-direction: column;
    }

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

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

    .hero-text h1,
    .about-hero h1,
    .contact-hero h1,
    .thanks-container h1 {
        font-size: 2.5rem;
    }
}