body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 2rem;
    margin: 0;
    background: #f9fafb;
    color: #333;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

h1 {
    font-size: 2.25rem;
    margin-bottom: 0.5rem;
}

main {
    max-width: 800px;
    margin: auto;
    line-height: 1.6;
}

#centeringSection {
    display: flex;
    justify-content: center;
}

.content {
    max-width: 800px;
    padding: 0 2rem 3rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 16px;
    width: fit-content;
}

.content:hover {
     border: 1px solid #e5e7eb;
     box-shadow: 0 16px 35px rgba(0,0,0,0.1);
}

code {
    background: #f3f3f3;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.section {
    margin-top: 1.75rem;
}

.top-nav {
    padding: 1rem 2rem;
}

.back-button {
    text-decoration: none;
    color: #4f46e5;
    font-weight: 500;
}