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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #212529;
    background-color: #ffffff;
}

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: #ffffff;
    border-bottom: 1px solid #e9ecef;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #2a3f5f;
}

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

.nav a {
    text-decoration: none;
    color: #495057;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #2a3f5f;
}

.ad-notice {
    font-size: 12px;
    color: #6c757d;
    background-color: #f8f9fa;
    padding: 6px 12px;
    border-radius: 4px;
}

.hero-card {
    margin: 0;
}

.hero-card-inner {
    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;
}

.hero-overlay {
    background: rgba(0, 0, 0, 0.5);
    padding: 60px 40px;
    border-radius: 8px;
    text-align: center;
    max-width: 700px;
}

.hero-overlay h1 {
    color: #ffffff;
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-overlay p {
    color: #ffffff;
    font-size: 20px;
    line-height: 1.5;
}

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

.intro-card {
    background: #ffffff;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.intro-card h2 {
    font-size: 36px;
    margin-bottom: 24px;
    color: #2a3f5f;
}

.intro-card p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 16px;
    color: #495057;
}

.problem-section {
    padding: 80px 0;
}

.card-grid-2 {
    display: flex;
    gap: 40px;
    align-items: stretch;
}

.problem-card {
    flex: 1;
    padding: 40px;
    border-radius: 12px;
}

.problem-card h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: #2a3f5f;
}

.problem-list {
    list-style: none;
}

.problem-list li {
    padding: 12px 0 12px 30px;
    position: relative;
    font-size: 17px;
    color: #495057;
}

.problem-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #dc3545;
    font-size: 24px;
}

.image-card {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
}

.image-card img {
    width: 100%;
    height: 100%;
    display: block;
}

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

.section-title {
    font-size: 40px;
    margin-bottom: 60px;
    color: #ffffff;
    text-align: center;
}

.section-title.centered {
    text-align: center;
}

.card-grid-3 {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.service-card {
    flex: 1 1 calc(33.333% - 20px);
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-width: 300px;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.card-image {
    height: 220px;
    background-size: cover;
    background-position: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    display: block;
}

.card-content {
    padding: 30px;
}

.card-content h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #2a3f5f;
}

.card-content p {
    font-size: 16px;
    line-height: 1.6;
    color: #6c757d;
    margin-bottom: 20px;
}

.card-link {
    display: inline-block;
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.card-link:hover {
    color: #764ba2;
}

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

.science-card {
    background: #ffffff;
    padding: 50px;
    border-radius: 12px;
    border-left: 6px solid #28a745;
}

.science-card h2 {
    font-size: 32px;
    margin-bottom: 24px;
    color: #2a3f5f;
}

.science-card p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 16px;
    color: #495057;
}

.science-card a {
    color: #007bff;
    text-decoration: none;
    font-weight: 600;
}

.science-card a:hover {
    text-decoration: underline;
}

.benefits-section {
    padding: 100px 0;
    background-color: #2a3f5f;
}

.benefits-section .section-title {
    color: #ffffff;
}

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

.benefit-card {
    flex: 1 1 calc(25% - 23px);
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    min-width: 220px;
}

.benefit-number {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    opacity: 0.3;
    margin-bottom: 16px;
}

.benefit-card h3 {
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.testimonials-section {
    padding: 80px 0;
}

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

.testimonial-card {
    flex: 1 1 calc(33.333% - 20px);
    background: #f8f9fa;
    padding: 35px;
    border-radius: 12px;
    min-width: 280px;
}

.testimonial-card p {
    font-size: 17px;
    font-style: italic;
    line-height: 1.7;
    color: #495057;
    margin-bottom: 20px;
}

.testimonial-author {
    font-weight: 600;
    color: #2a3f5f;
    font-size: 15px;
}

.pricing-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.pricing-section .section-title {
    color: #ffffff;
}

.pricing-intro {
    text-align: center;
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 60px;
}

.pricing-cards {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.pricing-card {
    flex: 1 1 calc(25% - 23px);
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    min-width: 260px;
    position: relative;
}

.pricing-card.featured {
    border: 3px solid #ffc107;
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #ffc107;
    color: #212529;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #2a3f5f;
}

.price {
    font-size: 36px;
    font-weight: 700;
    color: #f5576c;
    margin-bottom: 24px;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-card li {
    padding: 10px 0;
    color: #495057;
    position: relative;
    padding-left: 24px;
}

.pricing-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: 700;
}

.select-service-btn {
    width: 100%;
    padding: 14px;
    background: #667eea;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.select-service-btn:hover {
    background: #764ba2;
}

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

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

.form-card h2 {
    font-size: 32px;
    margin-bottom: 16px;
    color: #2a3f5f;
    text-align: center;
}

.form-intro {
    text-align: center;
    color: #6c757d;
    margin-bottom: 40px;
    font-size: 17px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #495057;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: #28a745;
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-btn:hover {
    background: #218838;
}

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

.disclaimer-card {
    max-width: 900px;
    margin: 0 auto;
    padding: 30px;
}

.disclaimer-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #856404;
}

.disclaimer-card p {
    font-size: 15px;
    line-height: 1.7;
    color: #856404;
}

.footer {
    background-color: #212529;
    color: #ffffff;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.footer-column {
    flex: 1;
    min-width: 250px;
}

.footer-column h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-column p {
    color: #adb5bd;
    line-height: 1.6;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: #adb5bd;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.references li {
    color: #adb5bd;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #495057;
}

.footer-bottom p {
    color: #6c757d;
    font-size: 14px;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #212529;
    color: #ffffff;
    padding: 24px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
    z-index: 2000;
    transition: transform 0.3s ease;
}

.cookie-banner.hidden {
    transform: translateY(100%);
}

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

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

.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 0.3s ease;
}

.btn-accept {
    background: #28a745;
    color: #ffffff;
}

.btn-accept:hover {
    background: #218838;
}

.btn-reject {
    background: #6c757d;
    color: #ffffff;
}

.btn-reject:hover {
    background: #5a6268;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }

    .nav {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

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

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

    .card-grid-2 {
        flex-direction: column;
    }

    .service-card,
    .benefit-card,
    .testimonial-card,
    .pricing-card {
        flex: 1 1 100%;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }

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

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