* {
    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: #2d2d2d;
    background-color: #ffffff;
}

.ad-disclosure {
    background-color: #f5f5f5;
    text-align: center;
    padding: 8px;
    font-size: 13px;
    color: #666;
    border-bottom: 1px solid #e0e0e0;
}

.main-nav {
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: #4a4a4a;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s;
}

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

.hero-section {
    position: relative;
    min-height: 600px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #1a1a1a;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 24px;
    text-align: center;
    color: #ffffff;
}

.hero-content h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 22px;
    font-weight: 300;
    line-height: 1.5;
    color: #e0e0e0;
}

.story-intro {
    background-color: #fafafa;
    padding: 80px 24px;
}

.narrow-content {
    max-width: 680px;
    margin: 0 auto;
}

.narrow-content.centered {
    text-align: center;
}

.opening-text {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
    color: #3a3a3a;
}

.narrow-content p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 18px;
    color: #4a4a4a;
}

.emphasized {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    margin-top: 32px;
    text-align: center;
}

.problem-section {
    padding: 100px 24px;
    background-color: #ffffff;
}

.two-col-reverse {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    align-items: center;
    flex-direction: row-reverse;
}

.text-block {
    flex: 1;
}

.text-block h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a1a;
    line-height: 1.3;
}

.text-block p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 18px;
    color: #4a4a4a;
}

.image-block {
    flex: 1;
    background-color: #f5f5f5;
}

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

.insight-section {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 100px 24px;
    color: #ffffff;
}

.insight-section h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 28px;
    line-height: 1.3;
}

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

.large-text {
    font-size: 26px;
    font-weight: 600;
    margin-top: 36px;
}

.benefits-grid {
    padding: 100px 24px;
    background-color: #fafafa;
}

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

.section-title {
    font-size: 38px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #1a1a1a;
}

.benefit-cards {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.benefit-card {
    flex: 1;
    min-width: 300px;
    background-color: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.benefit-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    background-color: #e5e7eb;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 24px 24px 12px;
    color: #1a1a1a;
}

.benefit-card p {
    font-size: 16px;
    line-height: 1.7;
    color: #555;
    padding: 0 24px 24px;
}

.science-section {
    background-color: #ffffff;
    padding: 80px 24px;
    border-left: 4px solid #2563eb;
}

.science-section h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.science-section p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a4a4a;
    margin-bottom: 16px;
}

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

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

.testimonials-section {
    background-color: #f9fafb;
    padding: 100px 24px;
}

.testimonial-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: #ffffff;
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.quote {
    font-size: 18px;
    line-height: 1.7;
    color: #2d2d2d;
    margin-bottom: 16px;
    font-style: italic;
}

.author {
    font-size: 15px;
    color: #666;
    font-weight: 600;
}

.cta-middle {
    background-color: #fbbf24;
    padding: 80px 24px;
}

.cta-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-box h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 28px;
    color: #1a1a1a;
}

.btn-primary {
    display: inline-block;
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #2d2d2d;
}

.services-section {
    padding: 100px 24px;
    background-color: #ffffff;
}

.service-cards {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.service-card {
    flex: 1;
    min-width: 280px;
    background-color: #fafafa;
    padding: 32px;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    position: relative;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.service-card.popular {
    border-color: #2563eb;
    background-color: #eff6ff;
}

.badge {
    position: absolute;
    top: -12px;
    right: 16px;
    background-color: #2563eb;
    color: #ffffff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.service-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 16px;
}

.price {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 20px 0;
}

.btn-select {
    width: 100%;
    background-color: #2563eb;
    color: #ffffff;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-select:hover {
    background-color: #1d4ed8;
}

.btn-select.selected {
    background-color: #16a34a;
}

.form-section {
    background-color: #f3f4f6;
    padding: 80px 24px;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 48px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.form-container h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 32px;
    color: #1a1a1a;
    text-align: center;
}

.form-notice {
    background-color: #fef3c7;
    padding: 16px;
    border-radius: 6px;
    margin-bottom: 24px;
}

.form-notice p {
    font-size: 15px;
    color: #92400e;
    margin: 0;
}

.form-notice.success {
    background-color: #d1fae5;
}

.form-notice.success p {
    color: #065f46;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2d2d2d;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

.btn-submit {
    width: 100%;
    background-color: #16a34a;
    color: #ffffff;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background-color: #15803d;
}

.btn-submit:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.disclaimer-section {
    background-color: #f9fafb;
    padding: 60px 24px;
}

.disclaimer-text {
    font-size: 14px;
    line-height: 1.7;
    color: #6b7280;
    font-style: italic;
}

.references-section {
    background-color: #ffffff;
    padding: 60px 24px;
    border-top: 1px solid #e5e7eb;
}

.references-section h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.references-list {
    padding-left: 24px;
}

.references-list li {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 12px;
    color: #4a4a4a;
}

.references-list a {
    color: #2563eb;
    text-decoration: none;
}

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

.main-footer {
    background-color: #1a1a1a;
    color: #e5e7eb;
    padding: 60px 24px 24px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

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

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #ffffff;
}

.footer-col p {
    font-size: 15px;
    line-height: 1.7;
    color: #9ca3af;
}

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

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

.footer-col a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid #374151;
}

.footer-bottom p {
    font-size: 14px;
    color: #9ca3af;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #1f2937;
    color: #ffffff;
    padding: 24px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
    z-index: 10000;
    display: none;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cookie-content p {
    flex: 1;
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
}

.btn-accept,
.btn-reject {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-accept {
    background-color: #16a34a;
    color: #ffffff;
}

.btn-accept:hover {
    background-color: #15803d;
}

.btn-reject {
    background-color: #6b7280;
    color: #ffffff;
}

.btn-reject:hover {
    background-color: #4b5563;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .two-col-reverse {
        flex-direction: column;
    }

    .benefit-cards {
        flex-direction: column;
    }

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

    .nav-links {
        gap: 16px;
    }

    .footer-container {
        flex-direction: column;
        gap: 32px;
    }
}