body {
font-family: -apple-system, BlinkMacSystemFont, sans-serif;
margin: 0;
background: #f5f5f7;
color: #1d1d1f;
}

header {
background: black;
color: white;
text-align: center;
padding: 40px;
}

.products {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 30px;
padding: 40px;
}

.card {
background: white;
border-radius: 16px;
padding: 25px;
box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.card h2 {
margin-top: 0;
}

.card ul {
list-style: none;
padding: 0;
}

.card li {
margin: 8px 0;
}

.btn {
display: inline-block;
margin-top: 15px;
padding: 12px 20px;
background: black;
color: white;
text-decoration: none;
border-radius: 30px;
}