body{
margin:0;
font-family:Poppins,Segoe UI;
background:#f5f7fa;
color:#222;
line-height:1.6;
}

nav{
display:flex;
justify-content:space-between;
padding:20px 40px;
background:#0b1c2c;
color:white;
position:sticky;
top:0;
}

nav a{
color:white;
margin:10px;
text-decoration:none;
font-weight:500;
}

header{
height:100vh;
background:linear-gradient(rgba(0,0,0,0.65),rgba(0,0,0,0.65)),url('../images/hero.jpg');
background-size:cover;
color:white;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
}

h1{font-size:48px;}

section{
padding:70px 20px;
max-width:1100px;
margin:auto;
}

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

.card{
background:white;
padding:30px;
border-radius:12px;
box-shadow:0 10px 25px rgba(0,0,0,0.1);
}

.btn{
background:#ff6b00;
color:white;
padding:14px 28px;
border-radius:6px;
text-decoration:none;
display:inline-block;
margin-top:20px;
}

footer{
background:#0b1c2c;
color:white;
text-align:center;
padding:30px;
margin-top:40px;
}