.loader {
  background: linear-gradient(145deg, #000000, #000428, #004e92);
  position: relative;
  height: 100vh;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
}

.ring {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 8px solid transparent;
  border-top: 8px solid #00ffff;
  border-bottom: 8px solid #00ffff;
  animation: spin 2s linear infinite;
  box-shadow: 0 0 20px #00ffff, 0 0 60px #00ffff inset;
}

.center-text {
  position: absolute;
  font-size: 48px;
  color: #FFFFFF;
  text-shadow: 0 0 10px #0ff, 0 0 30px #0ff;
  font-weight: bold;
  z-index: 1;
}

canvas#particles {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.content {
  
  opacity: 0;
  transition: opacity 1s ease;

}
.hidden {
  display: none;
}