#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
  z-index: 999999;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  overflow: hidden;
  perspective: 1000px;
}

.tech-icons {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-style: preserve-3d;
}

.tech-icon {
  position: absolute;
  font-size: 36px;
  color: rgba(255, 255, 255, 0.8);
  text-shadow: 0 0 15px rgba(0, 123, 255, 0.8);
  background: rgba(0, 123, 255, 0.1);
  padding: 15px;
  border-radius: 12px;
  backdrop-filter: blur(5px);
  transform-style: preserve-3d;
  animation: float3D 20s ease-in-out infinite;
  box-shadow: 0 0 20px rgba(0, 123, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tech-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1));
  border-radius: inherit;
  z-index: -1;
}

.tech-icon i {
  display: block;
  width: 36px;
  height: 36px;
  line-height: 36px;
  text-align: center;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes float3D {
  0% {
    transform: translate3d(0, 0, 0) rotateX(0) rotateY(0) rotateZ(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  25% {
    transform: translate3d(100px, 50px, 50px) rotateX(10deg) rotateY(20deg) rotateZ(5deg);
  }
  50% {
    transform: translate3d(-50px, 100px, 100px) rotateX(-20deg) rotateY(-10deg) rotateZ(-5deg);
  }
  75% {
    transform: translate3d(50px, -50px, 50px) rotateX(10deg) rotateY(-20deg) rotateZ(5deg);
  }
  100% {
    transform: translate3d(0, 0, 0) rotateX(0) rotateY(0) rotateZ(0);
    opacity: 0;
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
}

#preloader-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  background: rgba(0, 0, 0, 0.5);
  padding: 40px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transform-style: preserve-3d;
  animation: contentFloat 6s ease-in-out infinite;
}

@keyframes contentFloat {
  0%, 100% {
    transform: translateY(0) rotateX(0);
  }
  50% {
    transform: translateY(-10px) rotateX(5deg);
  }
}

#preloader-logo {
  max-width: 180px;
  margin-bottom: 30px;
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.05);
    filter: brightness(1.2);
  }
}

#preloader-bar {
  width: 300px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  margin: 20px auto;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transform: perspective(1000px) rotateX(10deg);
}

#preloader-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #007bff, #00bfff);
  transition: width 0.1s linear;
  box-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
  animation: progressGlow 2s ease-in-out infinite;
}

@keyframes progressGlow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.8);
  }
}

#preloader-percentage {
  color: white;
  font-size: 18px;
  margin-top: 15px;
  text-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
  font-weight: bold;
}

#preloader-message {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  margin-top: 15px;
  text-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
}

.wrapper {
  display: none;
}

.wrapper.show {
  display: block;
}