:root{
  --bg:#000;
  --fg:#fff;
  --muted:rgba(255,255,255,.55);
  --soft:rgba(255,255,255,.16);
  --glow:rgba(255,255,255,.28);
  --ease:cubic-bezier(.2,.9,.2,1);
}

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

.stage{
  position:relative;
  width:100%;
  height:100%;
  display:grid;
  place-items:center;
  cursor:default;
}

/* subtle vignette */
.stage::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(900px 500px at 50% 45%, rgba(255,255,255,.05), transparent 60%),
              radial-gradient(1200px 700px at 50% 110%, rgba(255,255,255,.06), transparent 55%),
              radial-gradient(800px 600px at 10% 20%, rgba(255,255,255,.03), transparent 60%);
  pointer-events:none;
}

/* film grain overlay */
.grain{
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  opacity:.12;
  pointer-events:none;
  transform: translateZ(0);
  animation: grainMove 7s steps(10) infinite;
}
@keyframes grainMove{
  0%{transform:translate(0,0)}
  10%{transform:translate(-2%, -3%)}
  20%{transform:translate(-4%, 2%)}
  30%{transform:translate(3%, -4%)}
  40%{transform:translate(5%, 3%)}
  50%{transform:translate(-3%, 4%)}
  60%{transform:translate(-5%, -2%)}
  70%{transform:translate(2%, 5%)}
  80%{transform:translate(4%, -1%)}
  90%{transform:translate(-1%, -5%)}
  100%{transform:translate(0,0)}
}

.title{
  position:relative;
  margin:0;
  line-height:0.92;
  letter-spacing:-0.06em;
  text-transform: lowercase;
  user-select:none;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
  font-weight:900;
  font-size: clamp(64px, 14vw, 180px);
}

.title-fill{
  display:block;
  opacity:0.06; /* hidden until hover */
  transition: opacity 900ms var(--ease);
  will-change: opacity;
}

.title-glow{
  position:absolute;
  inset:0;
  display:block;
  opacity:0;
  filter: blur(14px);
  color: var(--glow);
  transition: opacity 900ms var(--ease);
  pointer-events:none;
}

/* fade in gradually on hover */
.stage:hover .title-fill{
  opacity:1;
}
.stage:hover .title-glow{
  opacity:1;
}

.hint{
  position:absolute;
  bottom:22px;
  left:50%;
  transform:translateX(-50%);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color: var(--muted);
  opacity:.9;
  transition: opacity 400ms ease;
}
.stage:hover .hint{opacity:.25}

/* tiny "cuzans" bursts */
.mini{
  position:absolute;
  font-weight:800;
  font-size:12px;
  letter-spacing:-.02em;
  color: rgba(255,255,255,.72);
  opacity:0;
  transform: translate(-50%, -50%) scale(.9);
  filter: drop-shadow(0 6px 18px rgba(0,0,0,.65));
  pointer-events:none;
  mix-blend-mode: screen;
  will-change: transform, opacity;
}

.mini.pop{
  animation: pop 520ms var(--ease) forwards;
}

@keyframes pop{
  0%{opacity:0; transform: translate(-50%, -50%) scale(.7)}
  10%{opacity:1}
  100%{opacity:0; transform: translate(-50%, -50%) scale(1.05)}
}

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  .grain{animation:none}
  .stage:hover .title-fill{transition:none}
  .stage:hover .title-glow{transition:none}
  .mini.pop{animation:none; opacity:1}
}