body{
margin:0;
font-family:Arial;
background:#f4f4f4;
color:#333;
}

.container{
width:90%;
max-width:1100px;
margin:auto;
}

header{
background:#0b2d5c;
color:white;
padding:15px 0;
}

header h1{
margin:0;
text-align:center;
}

nav{
text-align:center;
margin-top:10px;
}

nav a{
color:white;
margin:0 10px;
text-decoration:none;
font-weight:bold;
}

.hero{
background:#1d4ed8;
color:white;
padding:80px 0;
text-align:center;
}

.btn{
display:inline-block;
padding:10px 20px;
background:orange;
color:white;
text-decoration:none;
margin-top:10px;
border-radius:5px;
}

.section{
padding:50px 0;
background:white;
margin:20px 0;
}

.grid{
display:grid;
grid-template-columns:repeat(3,1fr);
gap:20px;
}

.card{
background:#eee;
padding:20px;
border-radius:8px;
text-align:center;
}

footer{
background:#111;
color:white;
text-align:center;
padding:20px;
margin-top:20px;
}

ul{
line-height:1.8;
}

@media(max-width:768px){
.grid{
grid-template-columns:1fr;
}
}