body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: url('background.jpg') no-repeat center center fixed;
  background-size: cover;
  font-family: 'Press Start 2P', cursive;
  color: #fff;
  cursor: default;
  overflow: hidden;
}

h1 {
  font-size: 50px;
  text-align: center;
  transition: text-shadow 0.2s ease;
  cursor: pointer;
}

/* Whimsical sparkles */
.sparkle {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  animation: sparkle 0.8s forwards;
}

@keyframes sparkle {
  from { transform: scale(1); opacity: 1; }
  to { transform: scale(0); opacity: 0; }
}

/* Block transition overlay */
#transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(20, 1fr);
  grid-template-rows: repeat(10, 1fr);
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
}

#transition div {
  opacity: 0;
  transform: scale(0);
  animation-fill-mode: forwards;
}

@keyframes blockWave {
  to { opacity: 1; transform: scale(1); }
}