*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

html,body{
    width:100%;
    height:100%;
    overflow:hidden;
    font-family:'Montserrat',sans-serif;
    background:#000;
    color:#fff;
}

body{
    background:
    radial-gradient(circle at top,#8d0000 0%,#320000 30%,#000 80%);
    position:relative;
}

/* Hareketli arka plan */

body::before{

    content:"";

    position:absolute;

    width:1200px;
    height:1200px;

    border-radius:50%;

    background:rgba(255,0,0,.15);

    filter:blur(180px);

    top:-500px;
    left:50%;

    transform:translateX(-50%);

    animation:glow 8s infinite ease-in-out;

}

@keyframes glow{

0%{

transform:translateX(-50%) scale(.9);

}

50%{

transform:translateX(-50%) scale(1.15);

}

100%{

transform:translateX(-50%) scale(.9);

}

}

/* Hafif saha çizgisi efekti */

.overlay{

position:absolute;
inset:0;

background:

linear-gradient(rgba(255,255,255,.03) 2px,transparent 2px),
linear-gradient(90deg,rgba(255,255,255,.03) 2px,transparent 2px);

background-size:120px 120px;

opacity:.15;

}

/* Loader */

#loader{

position:fixed;
inset:0;
background:#000;
display:flex;
justify-content:center;
align-items:center;
z-index:999;

animation:loaderHide 2.5s forwards;

}

.loaderLogo{

width:170px;

animation:pulse 1.5s infinite;

}

@keyframes loaderHide{

90%{

opacity:1;

}

100%{

opacity:0;
visibility:hidden;

}

}

@keyframes pulse{

0%{

transform:scale(.9);

}

50%{

transform:scale(1.05);

}

100%{

transform:scale(.9);

}

}

header{

position:absolute;
top:35px;
width:100%;
text-align:center;
z-index:2;

}

.logo{

width:170px;

filter:drop-shadow(0 0 20px rgba(255,0,0,.6));

animation:float 5s infinite ease-in-out;

}

@keyframes float{

50%{

transform:translateY(-10px);

}

}

main{

height:100vh;

display:flex;

justify-content:center;

align-items:center;

padding:20px;

position:relative;
z-index:2;

}

.glass{

width:100%;
max-width:820px;

padding:45px;

border-radius:30px;

background:rgba(255,255,255,.08);

backdrop-filter:blur(16px);

border:1px solid rgba(255,255,255,.15);

box-shadow:

0 0 40px rgba(255,0,0,.18);

text-align:center;

}

.glass h2{

letter-spacing:8px;

font-size:18px;

color:#ddd;

margin-bottom:18px;

}

.glass h1{

font-size:64px;

font-weight:900;

line-height:1.1;

text-shadow:

0 0 15px #ff0000,

0 0 35px #ff0000;

margin-bottom:25px;

}

.glass p{

font-size:20px;

color:#ddd;

line-height:1.8;

margin-bottom:40px;

}

#countdown{

display:grid;

grid-template-columns:repeat(4,1fr);

gap:20px;

margin-bottom:40px;

}

#countdown div{

padding:20px;

border-radius:18px;

background:rgba(0,0,0,.35);

border:1px solid rgba(255,255,255,.08);

}

#countdown span{

display:block;

font-size:46px;

font-weight:900;

color:#ff4d4d;

}

#countdown label{

font-size:13px;

letter-spacing:2px;

color:#ccc;

}

.social{

display:flex;

justify-content:center;

gap:18px;

}

.social a{

width:55px;
height:55px;

border-radius:50%;

display:flex;

align-items:center;

justify-content:center;

background:rgba(255,255,255,.08);

border:1px solid rgba(255,255,255,.15);

font-size:22px;

color:#fff;

text-decoration:none;

transition:.35s;

}

.social a:hover{

background:#d40000;

transform:translateY(-8px);

box-shadow:0 0 25px red;

}

footer{

position:absolute;

bottom:25px;

width:100%;

text-align:center;

font-size:14px;

color:#888;

z-index:2;

}

/* Mobil */

@media(max-width:768px){

.logo{

width:110px;

}

.glass{

padding:30px 20px;

}

.glass h2{

font-size:14px;

letter-spacing:4px;

}

.glass h1{

font-size:38px;

}

.glass p{

font-size:16px;

}

#countdown{

grid-template-columns:repeat(2,1fr);

gap:12px;

}

#countdown span{

font-size:32px;

}

.social{

gap:12px;

}

.social a{

width:48px;
height:48px;

font-size:18px;

}

}
#particles{

position:fixed;

left:0;
top:0;

width:100%;
height:100%;

overflow:hidden;

pointer-events:none;

z-index:1;

}

#particles span{

position:absolute;

display:block;

border-radius:50%;

background:rgba(255,255,255,.6);

box-shadow:

0 0 10px rgba(255,255,255,.8),

0 0 20px rgba(255,0,0,.4);

animation:particle linear infinite;

}

@keyframes particle{

0%{

transform:translateY(0) scale(1);

opacity:0;

}

10%{

opacity:1;

}

90%{

opacity:1;

}

100%{

transform:translateY(-120vh) scale(0);

opacity:0;

}

}