body{
margin:0;
font-family:Arial, Helvetica, sans-serif;
background:#0e1117;
color:#fff;
}

header{
background:#111;
padding:20px;
}

nav{
display:flex;
gap:25px;
justify-content:center;
}

nav a{
color:white;
text-decoration:none;
font-weight:500;
}

.hero{
padding:120px 20px;
text-align:center;
background:linear-gradient(135deg,#1a1f36,#0f172a);
}

.hero h1{
font-size:48px;
}

.section{
max-width:1100px;
margin:auto;
padding:80px 20px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}

.card{
background:#1a1f2e;
padding:30px;
border-radius:10px;
}

footer{
background:#0b0d12;
padding:40px;
text-align:center;
color:#999;
}

button{
background:#eab308;
border:none;
padding:12px 25px;
border-radius:4px;
cursor:pointer;
}