* {
    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;
}

.ad-notice {
    background: #f8f9fa;
    text-align: center;
    padding: 8px;
    font-size: 12px;
    color: #6c757d;
    border-bottom: 1px solid #e9ecef;
}

.main-nav {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2d3748;
}

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

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

.nav-links a:hover {
    color: #2563eb;
}

.hero-section {
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 5rem 2rem;
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: #ffffff;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.hero-image {
    display: none;
}

.intro-section {
    background: #f7fafc;
    padding: 5rem 2rem;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
}

.intro-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2d3748;
    line-height: 1.3;
}

.intro-section p {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    color: #4a5568;
}

.reference {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}

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

.problem-section {
    padding: 5rem 2rem;
    background: #ffffff;
}

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

.split-content {
    flex: 1;
}

.split-content h2 {
    font-size: 2.3rem;
    margin-bottom: 2rem;
    color: #2d3748;
}

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

.problem-list li {
    padding: 1rem 0 1rem 2rem;
    position: relative;
    font-size: 1.1rem;
    color: #4a5568;
    border-left: 3px solid #f56565;
    margin-bottom: 1rem;
}

.split-image {
    flex: 1;
    background: #e2e8f0;
}

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

.solution-section {
    background: linear-gradient(to bottom, #edf2f7 0%, #ffffff 100%);
    padding: 6rem 2rem;
}

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

.solution-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: #2d3748;
}

.solution-section > p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 4rem;
    color: #4a5568;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature-card {
    flex: 1 1 calc(50% - 1rem);
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

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

.science-section {
    background: #2d3748;
    color: #ffffff;
    padding: 5rem 2rem;
}

.science-section h2 {
    font-size: 2.3rem;
    margin-bottom: 2rem;
    text-align: center;
}

.science-section p {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.science-section .reference {
    color: #90cdf4;
}

.testimonial-section {
    padding: 6rem 2rem;
    background: #f7fafc;
}

.testimonial-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #2d3748;
}

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

.testimonial-card {
    flex: 1 1 calc(33.333% - 2rem);
    background: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    border-left: 4px solid #667eea;
}

.testimonial-card p {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 1.5rem;
    font-style: italic;
}

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

.services-section {
    padding: 6rem 2rem;
    background: #ffffff;
}

.services-section h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 4rem;
    color: #2d3748;
}

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

.service-card {
    flex: 1 1 calc(50% - 1rem);
    background: #f7fafc;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    background: #e2e8f0;
}

.service-card h3 {
    font-size: 1.5rem;
    margin: 1.5rem 1.5rem 1rem;
    color: #2d3748;
}

.service-card p {
    padding: 0 1.5rem;
    color: #4a5568;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
}

.select-service {
    width: calc(100% - 3rem);
    margin: 0 1.5rem 1.5rem;
    padding: 1rem;
    background: #667eea;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.select-service:hover {
    background: #5568d3;
}

.select-service.selected {
    background: #48bb78;
}

.form-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 6rem 2rem;
    color: #ffffff;
}

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

.form-section > div > p {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

.contact-form {
    background: #ffffff;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2d3748;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-group input[readonly] {
    background: #f7fafc;
    color: #2d3748;
}

.btn-submit {
    width: 100%;
    padding: 1.2rem;
    background: #667eea;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: #5568d3;
}

.disclaimer-section {
    padding: 3rem 2rem;
    background: #f7fafc;
}

.disclaimer-text {
    font-size: 0.95rem;
    color: #718096;
    line-height: 1.7;
    text-align: center;
}

.main-footer {
    background: #2d3748;
    color: #ffffff;
    padding: 4rem 2rem 2rem;
}

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

.footer-column {
    flex: 1 1 200px;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-column p,
.footer-column a {
    color: #cbd5e0;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

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

.references-section {
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
}

.references-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

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

.references-list li {
    margin-bottom: 0.5rem;
    color: #cbd5e0;
}

.references-list a {
    color: #90cdf4;
    text-decoration: none;
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    color: #cbd5e0;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #2d3748;
    color: #ffffff;
    padding: 1.5rem;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
    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;
}

.cookie-content a {
    color: #90cdf4;
}

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

.btn-accept,
.btn-reject {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s;
}

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

.btn-accept:hover {
    opacity: 0.9;
}

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

.btn-reject:hover {
    opacity: 0.9;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }

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

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

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

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

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

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

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

    .footer-container {
        flex-direction: column;
    }

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

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
}