/* Estilos del Preloader */
.preloader {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 26, 0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  opacity: 1;
  visibility: visible;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.preloader-logo {
  width: 120px;
  height: auto;
  animation: logoPulse 1.5s ease-in-out infinite;
  filter: drop-shadow(0 8px 24px rgba(59, 130, 246, 0.4));
}

@keyframes logoPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

/* Barra de progreso tipo caramelo */
.progress-bar {
  width: 250px;
  height: 10px;
  background: #2a2a2a;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  border: 1px solid #444;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(
    90deg,
    #ffffff 0%,
    #ffffff 25%,
    #d0d0d0 25%,
    #d0d0d0 50%,
    #ffffff 50%,
    #ffffff 75%,
    #d0d0d0 75%,
    #d0d0d0 100%
  );
  background-size: 40px 100%;
  width: 100%;
  animation: progressAnimation 1.5s ease-in-out infinite;
  border-radius: 10px;
}

@keyframes progressAnimation {
  0% {
    background-position: 0 0;
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
  100% {
    background-position: 40px 0;
    opacity: 0.6;
  }
}

.preloader-text {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
  letter-spacing: 0.5px;
  animation: textFade 1.5s ease-in-out infinite;
}

@keyframes textFade {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}