* {
    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;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.nav-main {
    background: #ffffff;
    border-bottom: 1px solid #e1e8ed;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: #1a1a1a;
    text-decoration: none;
}

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

.nav-links a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

.ad-disclosure {
    font-size: 11px;
    color: #7f8c8d;
    padding: 4px 12px;
    background: #ecf0f1;
    border-radius: 4px;
}

.hero-compact {
    position: relative;
    height: 520px;
    overflow: hidden;
    background: #34495e;
}

.hero-compact img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(52, 73, 94, 0.85) 0%, rgba(44, 62, 80, 0.7) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.hero-text-box {
    max-width: 680px;
    text-align: center;
    color: #ffffff;
    padding: 0 24px;
}

.hero-text-box h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-text-box p {
    font-size: 19px;
    line-height: 1.6;
    opacity: 0.95;
}

.intro-story {
    padding: 72px 0;
    background: #f8f9fa;
}

.lead-text {
    font-size: 20px;
    line-height: 1.75;
    margin-bottom: 24px;
    color: #34495e;
}

.intro-story p {
    font-size: 18px;
    line-height: 1.75;
    color: #2c3e50;
    margin-bottom: 16px;
}

.insight-card {
    padding: 64px 0;
    background: #3498db;
}

.card-highlight {
    background: #ffffff;
    padding: 48px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-highlight h2 {
    font-size: 32px;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.card-highlight p {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 16px;
    color: #2c3e50;
}

.card-highlight a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.problem-amplify {
    padding: 80px 0;
    background: #ffffff;
}

.split-content {
    display: flex;
    gap: 56px;
    align-items: center;
}

.text-block {
    flex: 1;
}

.text-block h2 {
    font-size: 34px;
    margin-bottom: 24px;
    color: #1a1a1a;
}

.text-block p {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #2c3e50;
}

.image-block {
    flex: 1;
    background: #ecf0f1;
    border-radius: 8px;
    overflow: hidden;
}

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

.products-grid {
    padding: 88px 0;
    background: #f8f9fa;
}

.section-heading {
    font-size: 36px;
    text-align: center;
    margin-bottom: 56px;
    color: #1a1a1a;
}

.card-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
}

.product-card {
    flex: 1 1 calc(33.333% - 20px);
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.card-image-wrap {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background: #ecf0f1;
}

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

.product-card h3 {
    font-size: 20px;
    margin: 20px 20px 12px 20px;
    color: #1a1a1a;
}

.product-card p {
    font-size: 15px;
    line-height: 1.6;
    margin: 0 20px 12px 20px;
    color: #34495e;
}

.product-card a {
    color: #3498db;
    text-decoration: none;
}

.price-tag {
    font-size: 24px;
    font-weight: 700;
    color: #27ae60;
    margin: 12px 20px;
}

.btn-select {
    background: #3498db;
    color: #ffffff;
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    margin: 0 20px 20px 20px;
    transition: background 0.2s;
}

.btn-select:hover {
    background: #2980b9;
}

.testimonial-inline {
    padding: 64px 0;
    background: #34495e;
}

.testimonial-inline blockquote {
    border-left: 4px solid #3498db;
    padding-left: 32px;
    font-size: 22px;
    line-height: 1.6;
    color: #ffffff;
    font-style: italic;
}

.testimonial-inline cite {
    display: block;
    margin-top: 16px;
    font-size: 16px;
    font-style: normal;
    color: #bdc3c7;
}

.trust-science {
    padding: 80px 0;
    background: #ffffff;
}

.trust-science h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 48px;
    color: #1a1a1a;
}

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

.sci-card {
    flex: 1;
    padding: 32px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.sci-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.sci-card p {
    font-size: 16px;
    line-height: 1.6;
    color: #34495e;
}

.sci-card a {
    color: #3498db;
    text-decoration: none;
}

.form-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

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

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

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2c3e50;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid #bdc3c7;
    border-radius: 6px;
    font-family: inherit;
}

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

.btn-submit {
    width: 100%;
    background: #27ae60;
    color: #ffffff;
    border: none;
    padding: 16px;
    font-size: 17px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: #229954;
}

.disclaimer-section {
    padding: 48px 0;
    background: #ecf0f1;
}

.disclaimer-text {
    font-size: 14px;
    line-height: 1.7;
    color: #34495e;
    text-align: center;
}

.footer-main {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 56px 0 24px 0;
}

.footer-grid {
    display: flex;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-col {
    flex: 1;
}

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

.footer-col p {
    font-size: 15px;
    color: #bdc3c7;
    line-height: 1.6;
}

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

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

.footer-col ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #3498db;
}

.references-section {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid #34495e;
}

.references-section h4 {
    font-size: 18px;
    margin-bottom: 16px;
    color: #ffffff;
}

.references-list {
    padding-left: 20px;
}

.references-list li {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 8px;
    color: #bdc3c7;
}

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

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

.footer-bottom {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #34495e;
}

.footer-bottom p {
    font-size: 14px;
    color: #95a5a6;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #2c3e50;
    color: #ffffff;
    padding: 20px;
    z-index: 1000;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

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

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

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

.btn-accept,
.btn-reject {
    padding: 10px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.btn-accept:hover {
    background: #229954;
}

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

.btn-reject:hover {
    background: #7f8c8d;
}

.hidden {
    display: none;
}

@media (max-width: 768px) {
    .nav-links {
        gap: 16px;
        font-size: 14px;
    }

    .hero-text-box h1 {
        font-size: 28px;
    }

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

    .split-content {
        flex-direction: column;
        gap: 32px;
    }

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

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

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

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

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