:root{
  --bg:#0b0b12;
  --panel: rgba(255,255,255,0.06);
  --accent-1: #ff007f;
  --accent-2: #7a2dc8;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}
body{
  background:var(--bg);
  color:#fff;
  overflow:hidden;
}

/* canvas covers whole screen */
canvas#webgl{
  position:fixed;
  inset:0;
  display:block;
  width:100%;
  height:100%;
  z-index:1;
}

/* Hero centered */
.hero{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  text-align:center;
  z-index:10;
  pointer-events:none;
}
.hero h1{font-size:2.1rem;margin:0 0 12px;font-weight:700;letter-spacing:0.5px}
.hero p{margin:0 0 18px;color:rgba(255,255,255,0.8)}
.hero button{
  pointer-events:auto;
  padding:12px 26px;
  border-radius:28px;
  border:none;
  background:linear-gradient(90deg,var(--accent-1),var(--accent-2));
  color:white;
  font-weight:600;
  cursor:pointer;
  box-shadow:0 6px 18px rgba(120,0,120,0.14);
}

/* Glass control */
.glass-panel{
  position:absolute;
  right:22px;
  top:22px;
  z-index:12;
  display:flex;
  gap:8px;
  align-items:center;
  padding:10px;
  border-radius:14px;
  background:var(--panel);
  backdrop-filter: blur(10px) saturate(1.2);
  pointer-events:auto;
}
.glass-panel button{
  border:0;
  background:linear-gradient(90deg,#2b2b43,#1b1b2b);
  padding:8px 10px;
  border-radius:10px;
  font-size:16px;
  cursor:pointer;
  color:#fff;
  min-width:44px;
  min-height:38px;
}

/* small mobile tweaks */
@media (max-width:640px){
  .hero h1{font-size:1.4rem}
  .glass-panel{left:12px; right:auto; top:auto; bottom:12px}
}