body{
margin:0;
font-family:Arial;
background:#08111f;
color:white;
}

nav{
display:flex;
justify-content:space-between;
padding:20px 40px;
background:#020617;
position:sticky;
top:0;
}

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

.logo{
font-weight:bold;
}

.hero{
height:100vh;
display:flex;
align-items:center;
justify-content:center;
background:linear-gradient(135deg,#020617,#111827,#0f172a);
text-align:center;
}

.hero-box{
max-width:700px;
padding:20px;
}

.hero h1{
font-size:4rem;
}

.hero p{
color:#cbd5e1;
font-size:1.3rem;
margin-bottom:30px;
}

.btn, button{
padding:14px 24px;
border:none;
border-radius:10px;
background:#38bdf8;
font-weight:bold;
cursor:pointer;
}

section{
padding:80px 40px;
}

.grid,.feature-grid,.pay-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:25px;
}

.card{
background:#111827;
border-radius:16px;
overflow:hidden;
padding-bottom:20px;
box-shadow:0 10px 30px rgba(0,0,0,0.4);
transition:0.3s;
}

.card:hover{
transform:translateY(-5px);
}

.card img{
width:100%;
height:250px;
object-fit:cover;
}

.card h3,.card p{
padding:0 20px;
}

.card button{
margin-left:20px;
}

.feature-grid div,.pay{
background:#111827;
padding:30px;
border-radius:14px;
text-align:center;
}

.notice{
background:#7f1d1d;
padding:20px;
border-radius:12px;
margin-top:30px;
color:#fecaca;
}

form{
max-width:600px;
margin:auto;
display:flex;
flex-direction:column;
gap:20px;
}

input,textarea{
padding:16px;
border:none;
border-radius:10px;
}

textarea{
min-height:150px;
}

footer{
padding:30px;
text-align:center;
background:#020617;
}

@media(max-width:768px){
.hero h1{
font-size:2.5rem;
}
}