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

:root {
    --color-primary: #2c3e50;
    --color-secondary: #3498db;
    --color-accent: #e74c3c;
    --color-light: #ecf0f1;
    --color-dark: #1a252f;
    --color-text: #333;
    --color-text-light: #666;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    overflow-x: hidden;
}

.ad-disclosure {
    background: #f8f9fa;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-light);
    border-bottom: 1px solid #e0e0e0;
}

.main-nav {
    position: sticky;
    top: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 1rem 0;
}

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

.brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--color-secondary);
}

.hero-visual {
    position: relative;
    height: 85vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-image-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: var(--color-dark);
}

.hero-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.hero-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    max-width: 800px;
    padding: 2rem;
}

.hero-overlay h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.hero-overlay p {
    font-size: 1.375rem;
    line-height: 1.8;
    text-shadow: 1px 1px 5px rgba(0,0,0,0.5);
}

.story-flow {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.narrow-content {
    max-width: 720px;
    margin: 0 auto;
}

.narrow-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    line-height: 1.3;
}

.narrow-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.insight-reveal {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-light);
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.insight-text {
    flex: 1;
}

.insight-text h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.insight-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.insight-visual {
    flex: 1;
    background-color: #ddd;
}

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

.solution-intro {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-dark);
    color: white;
    text-align: center;
}

.centered-block {
    max-width: 800px;
    margin: 0 auto;
}

.centered-block h2 {
    font-size: 2.75rem;
    margin-bottom: var(--spacing-md);
}

.centered-block p {
    font-size: 1.25rem;
    line-height: 1.8;
}

.products-showcase {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.products-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.product-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--color-light);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.card-image-wrap {
    flex: 1;
    min-width: 400px;
    background-color: #bbb;
}

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

.card-content {
    flex: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.card-content p {
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.select-service-btn {
    background: var(--color-secondary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    align-self: flex-start;
}

.select-service-btn:hover {
    background: #2980b9;
    transform: scale(1.05);
}

.testimonials-inline {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-secondary);
    color: white;
}

.testimonial-flow {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.testimonial-item {
    padding: var(--spacing-md);
    background: rgba(255,255,255,0.1);
    border-radius: 8px;
    border-left: 4px solid white;
}

.testimonial-item p {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.testimonial-author {
    display: block;
    font-size: 0.9375rem;
    opacity: 0.9;
}

.science-backed {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.pricing-reveal {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--color-light);
    text-align: center;
}

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

.pricing-container h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.pricing-container p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.pricing-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(52,152,219,0.1);
    border-radius: 8px;
}

.order-form-section {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-container h2 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    text-align: center;
}

.form-container > p {
    text-align: center;
    font-size: 1.0625rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.order-form {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #ddd;
    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: var(--color-secondary);
}

.form-group input[readonly] {
    background: #f8f9fa;
    cursor: not-allowed;
}

.submit-btn {
    width: 100%;
    padding: 1.125rem;
    background: var(--color-accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1.125rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

.submit-btn:hover {
    background: #c0392b;
    transform: scale(1.02);
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.form-notice {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

.disclaimer-section {
    padding: var(--spacing-lg) var(--spacing-md);
    background: #f8f9fa;
    border-top: 2px solid #e0e0e0;
}

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

.disclaimer-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.disclaimer-content p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-text-light);
}

.main-footer {
    background: var(--color-dark);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9375rem;
}

.footer-references {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.footer-references h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-references ol {
    margin-left: 1.5rem;
}

.footer-references li {
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    color: rgba(255,255,255,0.7);
}

.footer-references a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-references a:hover {
    color: #5dade2;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.2);
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-dark);
    color: white;
    padding: var(--spacing-md);
    box-shadow: 0 -2px 20px rgba(0,0,0,0.3);
    z-index: 10000;
    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: var(--spacing-md);
}

.cookie-content p {
    flex: 1;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

.cookie-btn.accept {
    background: var(--color-secondary);
    color: white;
}

.cookie-btn.accept:hover {
    background: #2980b9;
    transform: scale(1.05);
}

.cookie-btn.reject {
    background: #7f8c8d;
    color: white;
}

.cookie-btn.reject:hover {
    background: #6c7a7b;
    transform: scale(1.05);
}

.cookie-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 0.875rem;
}

.cookie-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero-overlay h1 {
        font-size: 2.25rem;
    }

    .hero-overlay p {
        font-size: 1.125rem;
    }

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

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

    .card-image-wrap {
        min-width: 100%;
        height: 300px;
    }

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

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

    .nav-links {
        gap: 1rem;
    }
}