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HTML

CSS

body {
  margin: 0;
  height: 100vh;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Segoe UI', sans-serif;
  overflow: hidden;
}

.container {
  perspective: 1000px;
}

.btn-wrapper {
  display: inline-block;
  transform-style: preserve-3d;
  transition: transform 0.1s ease;
}

.neon-btn {
  background: transparent;
  border: 2px solid red;
  color: red;
  padding: 20px 50px;
  font-size: 22px;
  font-weight: bold;
  text-transform: uppercase;
  border-radius: 12px;
  cursor: pointer;
  position: relative;
  box-shadow:
    0 0 10px red,
    0 0 20px red,
    0 0 30px red,
    0 0 50px red,
    0 0 100px red;
  transition: all 0.2s ease;
}

.neon-btn:hover {
  box-shadow:
    0 0 15px red,
    0 0 30px red,
    0 0 60px red,
    0 0 100px red;
  transform: scale(1.05);
}

.neon-btn:active {
  transform: translateZ(-20px);
  box-shadow:
    0 0 8px red,
    0 0 16px red,
    0 0 24px red;
}

.neon-btn::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 80px;
  background: radial-gradient(ellipse at center, rgba(255,0,0,0.3) 0%, rgba(0,0,0,0) 80%);
  z-index: -1;
  filter: blur(10px);
}