* {
    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: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    min-height: 100vh;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

header {
    background: linear-gradient(135deg, #4A90E2 0%, #2B5CE6 100%);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

main {
    padding: 2rem 1.5rem;
}

section {
    margin-bottom: 3rem;
}

h2 {
    color: #2B5CE6;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    border-bottom: 2px solid #4A90E2;
    padding-bottom: 0.5rem;
}

h3 {
    color: #333;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

p {
    margin-bottom: 1rem;
}

.intro {
    background-color: #f0f6ff;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #4A90E2;
}

.contact {
    text-align: center;
    padding: 2rem;
    background-color: #f9fafb;
    border-radius: 8px;
}

.email-link {
    display: inline-block;
    font-size: 1.3rem;
    color: #2B5CE6;
    text-decoration: none;
    padding: 1rem 2rem;
    background-color: white;
    border: 2px solid #4A90E2;
    border-radius: 8px;
    margin: 1rem 0;
    transition: all 0.3s ease;
}

.email-link:hover {
    background-color: #4A90E2;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(74, 144, 226, 0.3);
}

.response-time {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: #fafafa;
    border-radius: 6px;
    border-left: 3px solid #4A90E2;
}

.faq-item h3 {
    color: #2B5CE6;
}

.features ul,
.data-requests ul,
.links ul {
    list-style-position: inside;
    margin-left: 1rem;
}

.features li,
.data-requests li,
.links li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.features strong {
    color: #2B5CE6;
}

.links a {
    color: #4A90E2;
    text-decoration: none;
    font-weight: 500;
}

.links a:hover {
    text-decoration: underline;
}

footer {
    background-color: #1A202C;
    color: white;
    text-align: center;
    padding: 2rem 1.5rem;
    margin-top: 3rem;
}

footer p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    main {
        padding: 1.5rem 1rem;
    }
    
    .email-link {
        font-size: 1.1rem;
        padding: 0.8rem 1.5rem;
    }
}