body{
font-family:Inter,Arial,Helvetica,sans-serif;
margin:0;
background:#0f172a;
color:#e2e8f0;
line-height:1.7;
}

header{
display:flex;
flex-wrap:wrap;
justify-content:space-between;
align-items:center;
padding:18px 30px;
background:#020617;
}

.logo{
font-weight:700;
font-size:22px;
}

nav a{
color:white;
margin:8px 14px;
text-decoration:none;
font-size:15px;
}

.hero{
padding:120px 20px;
text-align:center;
background:#1e293b;
}

.container{
max-width:1100px;
margin:auto;
padding:40px 20px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:24px;
}

.card{
background:#1e293b;
padding:22px;
border-radius:10px;
}

.card img{
max-width:160px;
}

.sidebar{
background:#020617;
padding:20px;
}

.layout{
display:grid;
grid-template-columns:250px 1fr;
}

footer{
background:#020617;
text-align:center;
padding:40px;
margin-top:40px;
}

@media(max-width:900px){

.layout{
grid-template-columns:1fr;
}

.sidebar{
margin-bottom:30px;
}

}