*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:'Poppins', sans-serif;
background:#f5f7fb;
color:#333;
}

.container{
max-width:1100px;
margin:auto;
padding:40px 20px;
}

.header{
background:#0f172a;
color:white;
position:sticky;
top:0;
z-index:1000;
}

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

.nav a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:500;
transition:0.3s;
}

.nav a:hover{
color:#38bdf8;
}

.logo{
font-size:20px;
}

.hero{
height:80vh;
display:flex;
align-items:center;
justify-content:center;
text-align:center;
background:linear-gradient(120deg,#0f172a,#1e3a8a);
color:white;
padding:20px;
}

.hero h2{
font-size:42px;
margin-bottom:10px;
}

.hero p{
margin-bottom:20px;
}

.btn{
background:#38bdf8;
color:white;
padding:12px 26px;
border-radius:30px;
text-decoration:none;
transition:0.3s;
}

.btn:hover{
background:#0ea5e9;
transform:scale(1.05);
}

.section{
background:white;
margin-top:20px;
}

.section h2{
margin-bottom:20px;
font-size:28px;
}

.contact{
background:#f1f5f9;
}

.contact-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
margin-top:20px;
}

.card{
background:white;
padding:25px;
border-radius:12px;
box-shadow:0 10px 25px rgba(0,0,0,0.08);
transition:0.3s;
}

.card:hover{
transform:translateY(-6px);
}

.footer{
text-align:center;
padding:25px;
background:#0f172a;
color:white;
margin-top:30px;
}

/* animation */

.fade-in{
opacity:0;
transform:translateY(20px);
transition:all 1s ease;
}

.fade-in.show{
opacity:1;
transform:translateY(0);
}