Cyberpunk Laser Button

<button class="cyber-btn">
  ⚡ SİSTEMİ BAŞLAT
</button>

.cyber-btn {
  position: relative;
  padding: 18px 44px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #00f0ff;
  background: #04060d;
  border: 1px solid #00f0ff;
  border-radius: 8px;
  text-transform: uppercase;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.35), inset 0 0 12px rgba(0, 240, 255, 0.2);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.3s;
}

.cyber-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.45), transparent);
  transition: 0.5s;
}

.cyber-btn:hover::before {
  left: 100%;
}

.cyber-btn:hover {
  background: #00f0ff;
  color: #04060d;
  box-shadow: 0 0 45px rgba(0, 240, 255, 0.8), 0 0 70px rgba(147, 51, 234, 0.4);
  transform: scale(1.05);
}