body{
font-family:Arial, sans-serif;
margin:0;
color:white;
background:#0a0a0a;
text-align:center;
}

header{
background:black;
padding:25px;
}

nav a{
color:white;
margin:10px;
text-decoration:none;
font-weight:bold;
}

.hero{
padding:120px 20px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:25px;
padding:40px;
}

.card{
background:#1a1a1a;
padding:25px;
border-radius:10px;
}

.btn{
display:inline-block;
margin-top:15px;
padding:12px 20px;
background:white;
color:black;
text-decoration:none;
border-radius:6px;
font-weight:bold;
}

.content{
padding:50px;
max-width:900px;
margin:auto;
}

footer{
padding:20px;
background:black;
margin-top:40px;
}