*{box-sizing:border-box}
body{
  margin:0;
  font-family:Segoe UI,Arial;
  background:linear-gradient(135deg,#0f0f1a,#1b1b2f);
  color:white;
}
.hero{
  text-align:center;
  padding:80px 20px;
}
.hero h1{font-size:48px}
.hero p{opacity:.8;font-size:18px}
.buttons{margin-top:30px}
.btn{
  padding:14px 28px;
  border-radius:10px;
  background:#ff66cc;
  color:black;
  text-decoration:none;
  margin:5px;
  font-weight:600;
}
.btn.outline{
  background:transparent;
  border:2px solid #ff66cc;
  color:#ff66cc;
}
.cards{
  display:flex;
  justify-content:center;
  gap:20px;
  padding:40px;
  flex-wrap:wrap;
}
.card{
  background:#161625;
  padding:25px;
  border-radius:16px;
  width:220px;
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.auth-box{
  max-width:360px;
  margin:100px auto;
  background:#161625;
  padding:30px;
  border-radius:16px;
  text-align:center;
}
.auth-box input{
  width:100%;
  padding:12px;
  margin:8px 0;
  border-radius:8px;
  border:none;
}
.auth-box button{
  width:100%;
  padding:12px;
  margin-top:10px;
  border-radius:8px;
  border:none;
  background:#ff66cc;
  font-weight:bold;
}
footer{
  text-align:center;
  padding:20px;
  opacity:.5;
}