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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: #ffffff;
    color: #333333;
    line-height: 1.6;
    padding: 0;
    margin: 0;
}

.header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}
.logo-header {
    text-align: center;
    margin-bottom: 20px;
}

.logo-header img {
    height: 50px;
    width: auto;
    max-width: 200px;
}


.header-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
}

.header-links a {
    color: #333333;
    text-decoration: none;
    transition: color 0.2s;
}

.header-links a:hover {
    color: #0066cc;
    text-decoration: underline;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-header {
    margin-bottom: 20px;
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    margin: 0;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 32px;
    color: #666666;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #333333;
}

.modal-description {
    color: #666666;
    font-size: 16px;
    margin-bottom: 30px;
}

.legal-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.legal-link {
    display: block;
    padding: 16px;
    background-color: #f5f5f5;
    border-radius: 8px;
    color: #333333;
    text-decoration: none;
    transition: background-color 0.2s;
}

.legal-link:hover {
    background-color: #e0e0e0;
    color: #333333;
}

.legal-link-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
}

.legal-link-url {
    font-size: 14px;
    color: #0066cc;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    color: #333333;
    margin-bottom: 30px;
    line-height: 1.2;
}

.subtitle {
    font-size: 20px;
    color: #666666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    background-color: #0066cc;
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    transition: background-color 0.2s;
    margin: 10px;
}

.btn:hover {
    background-color: #0052a3;
    color: #ffffff;
}

.section {
    margin: 80px 0;
    text-align: left;
}

.section h2 {
    font-size: 32px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 30px;
    text-align: center;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature {
    padding: 30px;
    background-color: #f9f9f9;
    border-radius: 12px;
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 24px;
    font-weight: 600;
    color: #333333;
    margin-bottom: 15px;
}

.feature p {
    font-size: 16px;
    color: #666666;
    line-height: 1.7;
    margin-bottom: 20px;
}

.cta {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    padding: 60px 40px;
    border-radius: 16px;
    margin: 80px 0;
}

.cta h2 {
    color: #ffffff;
    margin-bottom: 20px;
}

.cta p {
    font-size: 18px;
    color: #ffffff;
    opacity: 0.9;
    margin-bottom: 30px;
}

.message-example {
    background-color: #f5f5f5;
    padding: 30px;
    border-radius: 12px;
    margin: 30px auto;
    max-width: 500px;
    text-align: left;
}

.message-example .author {
    font-weight: 600;
    margin-bottom: 10px;
    color: #333333;
}

.message-example .text {
    color: #666666;
    font-size: 16px;
}

.footer {
    text-align: center;
    padding: 40px 20px;
    background-color: #f5f5f5;
    margin-top: 80px;
    border-top: 1px solid #e0e0e0;
}

.footer .legal {
    color: #666666;
    font-size: 14px;
    margin-bottom: 20px;
}

.footer .links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer .links a {
    color: #333333;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer .links a:hover {
    color: #0066cc;
    text-decoration: underline;
}

@media (max-width: 768px) {
    h1 {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 18px;
    }
    
    .section h2 {
        font-size: 28px;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 14px 30px;
        font-size: 16px;
    }
    
    .header-links {
        flex-direction: column;
        gap: 10px;
    }
}