:root{
  --bg1: #0f172a;
  --bg2: #071033;
  --accent1: #7c3aed;
  --accent2: #06b6d4;
  --glass: rgba(255,255,255,0.06);
  --muted: rgba(255,255,255,0.65);
  --white: #ffffff;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(1200px 600px at 10% 20%, rgba(124,58,237,0.12), transparent 8%),
    radial-gradient(1000px 450px at 90% 80%, rgba(6,182,212,0.08), transparent 8%),
    linear-gradient(180deg,var(--bg1),var(--bg2));
  color:var(--white);
  display:flex; align-items:center; justify-content:center; padding:40px;
}

.container{
  width:100%; max-width:750px;
}

.hero{
  padding:48px;
  background:rgba(255,255,255,0.03);
  border-radius:20px;
  border:1px solid rgba(255,255,255,0.04);
  text-align:center;
  backdrop-filter:blur(6px);
}

.logo{
  display:flex; align-items:center; gap:12px;
  justify-content:center;
  margin-bottom:18px;
}

.logo svg{width:54px;height:54px}

.brand{font-weight:800;font-size:20px}
.small{font-size:12px;color:var(--muted)}

h1{margin:4px 0 20px;font-size:44px}
.brand-underline{position:relative}
.brand-underline::after{
  content:'';position:absolute;bottom:-6px;left:0;width:100%;height:6px;border-radius:6px;
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  filter:blur(6px);
}

.countdown{display:flex; gap:16px; justify-content:center; margin:22px 0}
.item{
  padding:14px 16px;
  background:rgba(255,255,255,0.05);
  border-radius:10px;
}
.num{font-size:26px;font-weight:800}
.lbl{font-size:12px;color:var(--muted)}

footer{margin-top:18px;font-size:13px;color:var(--muted)}

.particle{position:absolute; border-radius:999px; opacity:0.08; filter:blur(6px)}
.p1{width:220px;height:220px;background:var(--accent1);top:10%;left:6%}
.p2{width:160px;height:160px;background:var(--accent2);bottom:10%;right:6%}

@media(max-width:600px){
  h1{font-size:32px}
  .num{font-size:22px}
}