*{margin:0;padding:0;box-sizing:border-box}
body{
height:100vh;
background:url('stadium.jpg') center/cover no-repeat;
font-family:Arial,sans-serif
}
.overlay{
height:100%;
background:rgba(0,0,0,.65);
display:flex;
flex-direction:column;
justify-content:center;
align-items:center;
text-align:center;
padding:20px
}
.logo{width:220px;margin-bottom:20px}
.subtitle{
color:#e5e7eb;
font-size:18px;
font-weight:700;
margin-bottom:35px;
text-shadow:0 0 10px rgba(0,153,255,.6)
}
.buttons{width:260px}
.btn{
display:block;
text-align:center;
padding:16px;
margin-bottom:16px;
border-radius:10px;
text-decoration:none;
font-size:18px;
font-weight:700
}
.primary{background:#00ff6a;color:#000}
.secondary{background:#0099ff;color:#fff}