body {
  background-color:yellow;
}

header {
  background: linear-gradient(135deg, #b97aff, #a355ff, #d28eff);
  color: white;
  text-align: center;
  padding: 40px 20px;
  font-family: 'Bubblegum Sans';
  font-size: 4.5em;
  text-shadow: 0 0 10px #ffffff, 0 0 20px #e1b6ff, 0 0 30px #a855f7;
  border-bottom: 4px solid #fff0ff;
  position: relative;
  overflow: hidden;
}

header::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background-image: 
    radial-gradient(circle, rgba(255,255,255,0.8) 2px, transparent 2px),
    radial-gradient(circle, rgba(255,255,255,0.6) 1px, transparent 1px);
  background-size: 60px 60px, 30px 30px;
  animation: sparkle 5s linear infinite;
  pointer-events: none;
  opacity: 0.6;
}

@keyframes sparkle {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

header:hover {
  text-shadow: 0 0 15px #ffffff, 0 0 30px #c084fc, 0 0 45px #a855f7;
  transition: text-shadow 0.3s ease-in-out;
}