*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Inter',sans-serif;
}

body{
  background:#0b0f19;
  color:white;
  overflow-x:hidden;
}

#particles{
  position:fixed;
  width:100%;
  height:100%;
  z-index:-1;
}

.container{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  padding:20px;
}

.logo{
  width:120px;
  margin-bottom:20px;
}

h1{
  font-size:60px;
  background:linear-gradient(90deg,#3b82f6,#9333ea,#06b6d4);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:15px;
}

.tagline{
  font-size:22px;
  opacity:.8;
  margin-bottom:20px;
}

.badge{
  background:#1e293b;
  padding:8px 18px;
  border-radius:30px;
  font-size:14px;
  margin-bottom:20px;
  opacity:.7;
}

.countdown{
  display:flex;
  gap:25px;
  margin:30px 0;
  flex-wrap:wrap;
  justify-content:center;
}

.countdown div{
  background:rgba(255,255,255,0.05);
  padding:15px 20px;
  border-radius:12px;
}

form{
  margin-top:20px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:center;
}

input{
  padding:12px 18px;
  width:250px;
  border:none;
  border-radius:30px;
  outline:none;
}

button{
  padding:12px 25px;
  border:none;
  border-radius:30px;
  background:linear-gradient(90deg,#3b82f6,#9333ea);
  color:white;
  cursor:pointer;
  transition:.3s;
}

button:hover{
  transform:scale(1.05);
}

.popup{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  background:rgba(0,0,0,0.85);
  display:none;
  justify-content:center;
  align-items:center;
}

.popup-content{
  background:#1e293b;
  padding:40px;
  border-radius:15px;
  text-align:center;
}

footer{
  margin-top:40px;
  font-size:14px;
  opacity:.6;
}

/* Responsive */

@media(max-width:768px){
  h1{font-size:40px;}
  .logo{width:90px;}
  input{width:100%;}
  button{width:100%;}
}

@media(min-width:1400px){
  h1{font-size:80px;}
}