*{box-sizing:border-box}
body{
margin:0;
font-family:Arial,Helvetica,sans-serif;
background:#0f172a;
color:#fff;
display:flex;
align-items:center;
justify-content:center;
min-height:100vh;
overflow:hidden}
.bg{
position:fixed;inset:0;
background:
radial-gradient(circle at top,#22c55e33,transparent 40%),
linear-gradient(135deg,#0f172a,#1e293b,#111827);
}
.card{
position:relative;
z-index:1;
max-width:760px;
margin:30px;
padding:50px;
border-radius:22px;
background:rgba(255,255,255,.08);
backdrop-filter:blur(12px);
text-align:center;
box-shadow:0 20px 60px rgba(0,0,0,.4)}
.logo{font-size:64px}
h1{margin:10px 0;color:#4ade80}
h2{font-weight:normal}
p{line-height:1.8;color:#e5e7eb}
.message{
margin-top:30px;
padding:18px;
border-left:4px solid #4ade80;
background:#ffffff12;
border-radius:8px}
footer{
margin-top:40px;
font-size:.9rem;
color:#cbd5e1}