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

body{
font-family:Arial;
background:#050816;
color:white;
}

/* HEADER */

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 50px;
background:#0f172a;
border-bottom:1px solid #1e293b;
position:sticky;
top:0;
z-index:1000;
}

.logo{
font-size:28px;
font-weight:bold;
color:#00e5ff;
text-shadow:0 0 20px #00e5ff;
}

nav a{
text-decoration:none;
color:white;
margin-left:20px;
transition:.3s;
}

nav a:hover{
color:#00e5ff;
}

/* HERO */

.hero{
height:90vh;

background:
linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)),
url('https://images.unsplash.com/photo-1542751371-adc38448a05e?q=80&w=1600');

background-size:cover;
background-position:center;

display:flex;
justify-content:center;
align-items:center;
flex-direction:column;

text-align:center;
padding:20px;
}

.hero h1{
font-size:70px;
margin-bottom:20px;
text-shadow:0 0 25px #00e5ff;
}

.hero p{
font-size:20px;
color:#cbd5e1;
margin-bottom:30px;
}

/* BUTTON */

.btn{
display:inline-block;
padding:14px 30px;
background:#00e5ff;
color:black;
font-weight:bold;
text-decoration:none;
border-radius:10px;
transition:.3s;
}

.btn:hover{
transform:scale(1.05);
box-shadow:0 0 20px #00e5ff;
}

/* CARDS */

.cards{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:25px;
padding:60px;
}

.card{
background:#111827;
border-radius:20px;
overflow:hidden;
border:1px solid #1e293b;
transition:.3s;
}

.card:hover{
transform:translateY(-10px);
box-shadow:0 0 25px #00e5ff44;
}

.card img{
width:100%;
height:220px;
object-fit:cover;
}

.card h2{
padding:15px 20px 10px;
}

.card p{
padding:0 20px 20px;
color:#94a3b8;
}

.card .btn{
margin:0 20px 20px;
}

/* FORM */

.form-box{
width:350px;
margin:80px auto;
background:#111827;
padding:30px;
border-radius:20px;
border:1px solid #1e293b;
}

.form-box h1{
text-align:center;
margin-bottom:20px;
}

.form-box input,
.form-box select{
width:100%;
padding:14px;
margin-bottom:15px;
background:#1e293b;
border:none;
border-radius:10px;
color:white;
}

.form-box button{
width:100%;
padding:14px;
background:#00e5ff;
border:none;
border-radius:10px;
font-weight:bold;
cursor:pointer;
}

/* CENTER */

.center{
text-align:center;
margin-top:40px;
}

/* MOBILE */

@media(max-width:768px){

header{
flex-direction:column;
}

nav{
margin-top:15px;
display:flex;
flex-wrap:wrap;
justify-content:center;
}

.hero h1{
font-size:42px;
}

.cards{
padding:20px;
}

.form-box{
width:90%;
}

}