body {
    font-family: sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    color: #222;
}

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

header h1 {
    margin: 0 0 0.5rem;
}

header p {
    margin: 0;
    color: #555;
}

main section {
    margin-bottom: 2rem;
}

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

nav ul li a {
    display: block;
    padding: 0.75rem 1.25rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    background: #f9f9f9;
}

nav ul li a:hover {
    background: #eee;
    border-color: #999;
}

footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ccc;
    color: #666;
    font-size: 0.9rem;
}

/* Product page styles */
.product-features {
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 1rem 1.5rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: bold;
    margin: 1rem 0;
}

.back-link {
    display: inline-block;
    margin-bottom: 1.5rem;
    color: #555;
    text-decoration: none;
}

.back-link:hover {
    color: #000;
}

code {
    background: #f0f0f0;
    padding: 0.1em 0.3em;
    border-radius: 3px;
    font-size: 0.9em;
}