* {
    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: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    flex-wrap: wrap;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: #2c5282;
}

.ad-disclosure {
    font-size: 11px;
    color: #666;
    background-color: #f7f7f7;
    padding: 4px 10px;
    border-radius: 4px;
    margin: 0 15px;
}

.nav {
    display: flex;
    gap: 25px;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: all 0.3s;
}

.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1a365d;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 82, 130, 0.8), rgba(26, 54, 93, 0.6));
}

.hero-content {
    position: relative;
    z-index: 10;
    color: #fff;
    max-width: 600px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn-primary {
    display: inline-block;
    background-color: #ed8936;
    color: #fff;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: #dd6b20;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(237, 137, 54, 0.4);
}

.intro-section {
    padding: 80px 0;
    background-color: #f7fafc;
}

.intro-card {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.intro-card h2 {
    font-size: 32px;
    margin-bottom: 25px;
    color: #2c5282;
}

.intro-card p {
    font-size: 18px;
    margin-bottom: 20px;
    color: #555;
}

.benefits-grid {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 38px;
    margin-bottom: 50px;
    color: #2c5282;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    margin-bottom: 40px;
    color: #666;
}

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

.benefit-card {
    flex: 1;
    min-width: 280px;
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background-color: #e2e8f0;
}

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

.card-body {
    padding: 25px;
}

.card-body h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: #2c5282;
}

.card-body p {
    font-size: 16px;
    color: #555;
}

.science-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

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

.science-content h2 {
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;
}

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

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

.citation:hover {
    color: #fff;
}

.products-section {
    padding: 80px 0;
    background-color: #f7fafc;
}

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

.product-card {
    flex: 1;
    min-width: 320px;
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.product-image-wrapper {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background-color: #e2e8f0;
}

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

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

.product-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #2c5282;
}

.product-content p {
    font-size: 16px;
    color: #555;
    margin-bottom: 15px;
}

.product-features {
    list-style: none;
    margin-bottom: 20px;
}

.product-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
    color: #555;
}

.product-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #48bb78;
    font-weight: 700;
}

.product-price {
    font-size: 32px;
    font-weight: 700;
    color: #2c5282;
    margin-bottom: 20px;
    margin-top: auto;
}

.btn-select-service {
    background-color: #ed8936;
    color: #fff;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-select-service:hover {
    background-color: #dd6b20;
    transform: translateY(-2px);
}

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

.testimonials-section {
    padding: 80px 0;
    background-color: #fff;
}

.testimonials-wrapper {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.testimonial-card {
    flex: 1;
    min-width: 280px;
    background-color: #f7fafc;
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid #ed8936;
}

.testimonial-text p {
    font-size: 16px;
    font-style: italic;
    margin-bottom: 20px;
    color: #555;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
}

.testimonial-author strong {
    color: #2c5282;
    font-size: 16px;
}

.testimonial-author span {
    font-size: 14px;
    color: #666;
}

.form-section {
    padding: 80px 0;
    background-color: #f7fafc;
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.form-wrapper h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: #2c5282;
    text-align: center;
}

.form-description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5282;
}

.btn-submit {
    background-color: #2c5282;
    color: #fff;
    border: none;
    padding: 16px 32px;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: #1a365d;
    transform: translateY(-2px);
}

.disclaimer-section {
    padding: 60px 0;
    background-color: #fff3cd;
}

.disclaimer-box {
    max-width: 900px;
    margin: 0 auto;
}

.disclaimer-box h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #856404;
}

.disclaimer-box p {
    font-size: 15px;
    color: #856404;
    line-height: 1.8;
}

.references-section {
    padding: 60px 0;
    background-color: #f7fafc;
}

.references-section h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c5282;
}

.references-list {
    max-width: 900px;
    margin: 0 auto;
    padding-left: 25px;
}

.references-list li {
    margin-bottom: 12px;
}

.references-list a {
    color: #2c5282;
    text-decoration: none;
    transition: color 0.3s;
}

.references-list a:hover {
    color: #ed8936;
}

.footer {
    background-color: #1a202c;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

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

.footer-column h4 {
    font-size: 20px;
    margin-bottom: 15px;
}

.footer-column p {
    font-size: 15px;
    color: #a0aec0;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #2d3748;
}

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

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2d3748;
    color: #fff;
    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;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.cookie-content p {
    flex: 1;
    margin: 0;
    font-size: 15px;
}

.cookie-content a {
    color: #ed8936;
    text-decoration: underline;
}

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

.btn-accept,
.btn-reject {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

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

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

@media (max-width: 768px) {
    .nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: #fff;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        padding: 20px;
    }

    .nav.active {
        display: flex;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .intro-card {
        padding: 30px;
    }

    .form-wrapper {
        padding: 30px;
    }

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

    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}