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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

header {
    border-bottom: 2px solid #e0e0e0;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

nav {
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 1rem 0;
}

article {
    margin-bottom: 2rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #222;
}

h2 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: #444;
}

p {
    margin-bottom: 1rem;
    text-align: justify;
}

.faq {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #e0e0e0;
}

.faq-item {
    margin-bottom: 1.5rem;
}

.faq-item h3 {
    color: #0066cc;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #e0e0e0;
    text-align: center;
}

footer a {
    color: #0066cc;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    body {
        padding: 0.5rem;
    }
}