*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Poppins,sans-serif;
}

body{
background:#f4f7fa;
}

header{
display:flex;
justify-content:space-between;
padding:20px 50px;
background:#005baa;
color:white;
}

nav a{
color:white;
margin:0 15px;
text-decoration:none;
}

.hero{
height:100vh;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
background:linear-gradient(
135deg,
#005baa,
#00c6ff
);
color:white;
text-align:center;
}

.hero h1{
font-size:60px;
}

.btn{
padding:15px 30px;
background:white;
color:#005baa;
border-radius:50px;
text-decoration:none;
margin-top:20px;
}

.grid{
display:grid;
grid-template-columns:
repeat(auto-fit,minmax(250px,1fr));
gap:20px;
padding:40px;
}

.card{
background:white;
padding:30px;
border-radius:15px;
box-shadow:0 0 20px rgba(0,0,0,.1);
text-align:center;
}

footer{
padding:20px;
background:#005baa;
color:white;
text-align:center;
}