/* Image optimization styles */

/* Lazyload fade-in effect */
img.lazy {
  opacity: 0;
  transition: opacity 0.3s ease-in;
}

img:not(.lazy) {
  opacity: 1;
}

/* Simple image placeholder */
.placeholder {
  background-color: #f6f6f6;
  background-image: linear-gradient(90deg, #f6f6f6, #f0f0f0, #f6f6f6);
  background-size: 200% 100%;
  animation: placeholderShimmer 1.5s infinite;
}

@keyframes placeholderShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Make images responsive by default */
.responsive-img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Image loading blur-up effect */
.img-blur-up {
  filter: blur(5px);
  transition: filter 0.4s ease-in;
}

.img-blur-up.loaded {
  filter: blur(0);
}