*{box-sizing:border-box}
body{
margin:0;
font-family:Inter, Arial, sans-serif;
background:#0f172a;
color:white;
line-height:1.6;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 60px;
background:rgba(15,23,42,0.9);
position:sticky;
top:0;
}

.logo{
font-weight:700;
font-size:22px;
color:#60a5fa;
}

nav a{
margin:0 15px;
color:white;
text-decoration:none;
font-size:15px;
opacity:.9;
}

nav a:hover{
opacity:1;
}

.btn{
background:#6366f1;
padding:10px 18px;
border-radius:6px;
text-decoration:none;
color:white;
font-weight:500;
}

.hero{
padding:120px 60px;
text-align:center;
background:linear-gradient(120deg,#0f172a,#1e293b);
}

.hero h1{
font-size:56px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
opacity:.9;
max-width:700px;
margin:auto;
}

.section{
padding:90px 60px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:30px;
margin-top:40px;
}

.card{
background:#1e293b;
padding:30px;
border-radius:10px;
transition:.3s;
}

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

.card h3{
margin-top:0;
}

.cta{
text-align:center;
padding:100px 60px;
background:linear-gradient(120deg,#4f46e5,#06b6d4);
}

.cta h2{
font-size:36px;
}

footer{
padding:40px;
text-align:center;
background:#020617;
margin-top:60px;
}