* {
    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: #2c3e50;
    background: #ffffff;
}

.ad-notice {
    background: #f8f9fa;
    padding: 8px 20px;
    text-align: center;
    font-size: 13px;
    color: #6c757d;
    border-bottom: 1px solid #dee2e6;
}

.floating-nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    text-decoration: none;
}

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

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

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

.hero-overlay {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.85), rgba(52, 152, 219, 0.75));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 40px;
}

.story-intro {
    background: #f8f9fa;
}

.story-intro h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.story-intro p {
    font-size: 18px;
    margin-bottom: 20px;
    color: #34495e;
}

.problem-cards {
    background: white;
}

.problem-cards h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 50px;
    color: #2c3e50;
}

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

.insight-card {
    flex: 1;
    min-width: 250px;
    background: #ffffff;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.insight-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.insight-card p {
    font-size: 16px;
    color: #7f8c8d;
}

.science-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.science-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.science-text {
    flex: 1;
}

.science-text h2 {
    font-size: 40px;
    margin-bottom: 25px;
}

.science-text p {
    font-size: 18px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.citation {
    color: #ffd700;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
}

.citation:hover {
    opacity: 0.8;
}

.science-image {
    flex: 1;
    height: 400px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.science-image img {
    width: 100%;
    height: 100%;
    opacity: 0;
}

.testimonial-inline {
    background: #ecf0f1;
}

.testimonial-inline blockquote {
    font-size: 24px;
    font-style: italic;
    color: #34495e;
    border-left: 5px solid #3498db;
    padding-left: 30px;
    margin: 0;
}

.testimonial-inline cite {
    display: block;
    margin-top: 20px;
    font-size: 16px;
    font-style: normal;
    color: #7f8c8d;
}

.benefits-reveal {
    background: white;
}

.benefits-reveal h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 50px;
    color: #2c3e50;
}

.benefits-grid {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.benefit-card {
    display: flex;
    gap: 40px;
    align-items: center;
}

.benefit-card:nth-child(even) {
    flex-direction: row-reverse;
}

.benefit-image {
    flex: 1;
    height: 350px;
    border-radius: 12px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.benefit-image img {
    width: 100%;
    height: 100%;
    opacity: 0;
}

.benefit-content {
    flex: 1;
}

.benefit-content h3 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.benefit-content p {
    font-size: 18px;
    color: #7f8c8d;
    line-height: 1.8;
}

.products-section {
    background: #f8f9fa;
}

.products-section h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 50px;
    color: #2c3e50;
}

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

.product-card {
    flex: 1;
    min-width: 280px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 35px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 250px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    opacity: 0;
}

.product-card h3 {
    padding: 25px 25px 15px;
    font-size: 24px;
    color: #2c3e50;
}

.product-card p {
    padding: 0 25px;
    font-size: 16px;
    color: #7f8c8d;
    margin-bottom: 20px;
}

.product-price {
    padding: 0 25px;
    font-size: 32px;
    font-weight: 700;
    color: #27ae60;
    margin-bottom: 20px;
}

.cta-button {
    width: calc(100% - 50px);
    margin: 0 25px 25px;
    padding: 15px 30px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

.cta-button:hover {
    background: #2980b9;
    transform: scale(1.02);
}

.form-section {
    background: white;
}

.form-section h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.form-section > p {
    text-align: center;
    font-size: 18px;
    color: #7f8c8d;
    margin-bottom: 40px;
}

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

.form-group {
    margin-bottom: 25px;
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #dfe6e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.trust-section {
    background: #34495e;
    color: white;
}

.trust-section h3 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
}

.trust-grid {
    display: flex;
    gap: 40px;
}

.trust-item {
    flex: 1;
    text-align: center;
}

.trust-item strong {
    display: block;
    font-size: 22px;
    margin-bottom: 15px;
}

.trust-item p {
    font-size: 16px;
    opacity: 0.9;
}

.disclaimer-section {
    background: #fff3cd;
    padding: 40px 0;
}

.disclaimer {
    font-size: 14px;
    color: #856404;
    line-height: 1.8;
    text-align: center;
}

.main-footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

.footer-grid {
    display: flex;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-col {
    flex: 1;
}

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

.footer-col p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

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

.footer-references {
    margin-bottom: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.footer-references h4 {
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-references p {
    font-size: 13px;
    margin-bottom: 10px;
    opacity: 0.8;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
    opacity: 0.7;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(44, 62, 80, 0.98);
    color: white;
    padding: 20px;
    z-index: 10000;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
    display: none;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cookie-content p {
    flex: 1;
    font-size: 15px;
}

.cookie-content a {
    color: #3498db;
}

.cookie-buttons {
    display: flex;
    gap: 15px;
}

.cookie-btn {
    padding: 10px 25px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s, transform 0.2s;
}

.cookie-btn:hover {
    opacity: 0.9;
    transform: scale(1.05);
}

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

.cookie-btn.reject {
    background: #95a5a6;
    color: white;
}

.thanks-page {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.thanks-content h1 {
    font-size: 48px;
    color: #27ae60;
    margin-bottom: 20px;
}

.thanks-content p {
    font-size: 20px;
    color: #7f8c8d;
    margin-bottom: 15px;
}

.thanks-content .selected-service {
    font-weight: 700;
    color: #2c3e50;
}

.back-button {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 30px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.3s;
}

.back-button:hover {
    background: #2980b9;
}

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

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

    .science-content,
    .benefit-card,
    .footer-grid,
    .trust-grid {
        flex-direction: column;
    }

    .benefit-card:nth-child(even) {
        flex-direction: column;
    }

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

    .products-grid,
    .cards-grid {
        flex-direction: column;
    }
}