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

body{

height:100vh;

display:flex;

justify-content:center;

align-items:center;

background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);

overflow:hidden;

color:#fff;

text-align:center;
}

.container{

width:90%;
max-width:800px;

padding:40px;

border-radius:20px;

background:rgba(255,255,255,0.08);

backdrop-filter:blur(10px);

box-shadow:0 20px 40px rgba(0,0,0,.5);

animation:fade 1.2s;
}

@keyframes fade{

from{
opacity:0;
transform:translateY(40px);
}

to{
opacity:1;
transform:translateY(0);
}

}

.loader{

width:90px;
height:90px;

margin:auto;

border-radius:50%;

border:8px solid rgba(255,255,255,.2);

border-top:8px solid #00ffcc;

animation:spin 1s linear infinite;
}

@keyframes spin{

100%{
transform:rotate(360deg);
}

}

h1{

margin-top:30px;

font-size:50px;

letter-spacing:2px;

margin-bottom:20px;
}

p{

font-size:20px;

line-height:35px;

color:#ddd;

margin-bottom:40px;
}

#countdown{

display:flex;

justify-content:center;

gap:20px;

flex-wrap:wrap;

margin-bottom:40px;
}

#countdown div{

background:#fff;

color:#111;

padding:20px;

border-radius:15px;

width:120px;

box-shadow:0 10px 20px rgba(0,0,0,.3);

}

#countdown h2{

font-size:40px;
}

button{

padding:15px 35px;

font-size:18px;

border:none;

background:#00d084;

color:#fff;

border-radius:40px;

cursor:pointer;

transition:.4s;
}

button:hover{

background:#00b86b;

transform:scale(1.05);
}

.footer{

margin-top:40px;

font-size:17px;

color:#bbb;
}

@media(max-width:768px){

h1{

font-size:35px;
}

p{

font-size:18px;
}

#countdown div{

width:90px;

padding:15px;
}

#countdown h2{

font-size:30px;
}

}