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

body{
background:#0b1424;
color:#e4edf6;
line-height:1.6;
}

a{
text-decoration:none;
color:inherit;
}

.topbar{
background:#020a17;
padding:8px 40px;
font-size:13px;
border-bottom:1px solid #1e2a44;
}

.topbar span{
color:#4ea1ff;
font-weight:600;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 60px;
background:#081426;
border-bottom:3px solid #1f3a6b;
}

.logo{
font-size:20px;
font-weight:700;
color:#4ea1ff;
letter-spacing:1px;
}

nav a{
margin-left:25px;
color:#cfd9e4;
font-weight:500;
transition:0.3s;
}

nav a:hover{
color:#4ea1ff;
}

.hero{
height:90vh;
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
background:linear-gradient(rgba(0,0,0,0.7),rgba(0,0,0,0.7)),
url('https://images.unsplash.com/photo-1589829545856-d10d557cf95f');
background-size:cover;
background-position:center;
}

.hero h1{
font-size:48px;
color:#4ea1ff;
margin-bottom:20px;
}

.hero p{
max-width:750px;
font-size:18px;
opacity:0.9;
}

.button{
margin-top:25px;
padding:14px 35px;
background:#4ea1ff;
border:none;
border-radius:6px;
font-weight:600;
cursor:pointer;
}

.section{
padding:80px 60px;
}

.section-title{
text-align:center;
font-size:30px;
color:#4ea1ff;
margin-bottom:50px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:25px;
}

.card{
background:#081426;
padding:25px;
border-radius:8px;
border:1px solid #1e2a44;
}

.card h3{
color:#4ea1ff;
margin-bottom:10px;
}

.form-container{
max-width:700px;
margin:auto;
}

input, textarea{
width:100%;
padding:12px;
margin-top:10px;
background:#081426;
border:1px solid #1e2a44;
color:#fff;
border-radius:5px;
}

footer{
margin-top:60px;
background:#020a17;
padding:40px;
border-top:2px solid #1f3a6b;
text-align:center;
font-size:14px;
color:#8fa6c1;
}

@media(max-width:768px){
header{
flex-direction:column;
}
nav{
margin-top:10px;
}
.hero h1{
font-size:30px;
}
}