.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #1b2b4d;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  text-align: center;
  animation: pulse 2s infinite;
}

.preloader-logo {
  width: 200px;
  height: auto;
  margin-bottom: 20px;
}

.loading-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.loading-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 50%;
  background: white;
  border-radius: 3px;
  animation: loading 1.5s infinite ease-in-out;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes loading {
  0% {
    transform: translateX(-200%);
  }
  50% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(-200%);
  }
}