body{
font-family:Arial,Helvetica,sans-serif;
margin:0;
background:#f4f6f8;
color:#333;
line-height:1.6;
}

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

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

.logo{
font-weight:bold;
font-size:20px;
}

nav a{
margin-left:15px;
text-decoration:none;
color:#333;
font-weight:500;
}

.hero{
background:#1e40af;
color:white;
padding:80px 20px;
text-align:center;
}

.grid-3{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:30px;
}

footer{
background:#111;
color:#ccc;
margin-top:40px;
padding:40px 20px;
}

footer a{
color:#ccc;
text-decoration:none;
}

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

copyright{
text-align:center;
}