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

body{
font-family:Arial,sans-serif;
background:#0b1220;
color:#fff;
line-height:1.6;
}

header{
background:#ff6600;
padding:20px;
text-align:center;
box-shadow:0 2px 10px rgba(0,0,0,.3);
}

header h1{
font-size:36px;
margin-bottom:8px;
}

header p{
font-size:18px;
}

nav{
display:flex;
justify-content:center;
flex-wrap:wrap;
gap:15px;
background:#111827;
padding:15px;
}

nav a{
color:#fff;
text-decoration:none;
font-weight:bold;
padding:10px 15px;
border-radius:6px;
transition:.3s;
}

nav a:hover{
background:#ff6600;
}

.hero{
text-align:center;
padding:100px 20px;
}

.hero h1{
font-size:48px;
margin-bottom:20px;
}

.hero p{
font-size:22px;
margin-bottom:30px;
color:#ddd;
}

.btn{
display:inline-block;
background:#ff6600;
color:#fff;
padding:15px 30px;
border-radius:8px;
text-decoration:none;
font-size:18px;
transition:.3s;
}

.btn:hover{
background:#ff8533;
transform:scale(1.05);
}

@media(max-width:768px){
header h1{
font-size:28px;
}

.hero h1{
font-size:34px;
}

nav{
flex-direction:column;
align-items:center;
}
  }