body{

font-family: Arial, Helvetica, sans-serif;
margin:0;
background:#f4f6f9;
line-height:1.6;

}

.container{
width:90%;
max-width:1100px;
margin:auto;
padding:30px 0;
}

header{
background:#003366;
color:white;
}

.header-flex{
display:flex;
justify-content:space-between;
align-items:center;
flex-wrap:wrap;
}

nav a{

color:white;
text-decoration:none;
margin-left:15px;
font-weight:bold;

}

nav a:hover{
text-decoration:underline;
}

.hero{

background:#e8f0fa;
padding:50px 0;
text-align:center;

}

.stats{

display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;

}

.card{

background:white;
padding:20px;
border-radius:6px;
text-align:center;
box-shadow:0 2px 5px rgba(0,0,0,0.1);

}

.btn{

display:inline-block;
background:#0066cc;
color:white;
padding:12px 20px;
border-radius:4px;
text-decoration:none;
margin:10px;

}

.btn:hover{
background:#004c99;
}

footer{

background:#003366;
color:white;
text-align:center;
padding:20px;

}