body{
font-family: Arial, sans-serif;
margin:0;
background:#0f0f0f;
color:white;
text-align:center;
}

header{
padding:30px;
background:black;
border-bottom:2px solid silver;
}

.hero{
padding:60px;
background:linear-gradient(#111,#222);
}

.catalog{
padding:40px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
padding:20px;
}

.card{
background:#1b1b1b;
border-radius:10px;
overflow:hidden;
box-shadow:0 0 10px rgba(255,255,255,0.1);
}

.card img{
width:100%;
height:250px;
object-fit:cover;
}

.card h3{
margin:10px 0 5px;
}

.card p{
padding-bottom:15px;
color:#ccc;
}

footer{
padding:20px;
border-top:1px solid #333;
}