/* Výkonnostní doplněk – načítání galerie a videí na vyžádání */

.deferred-gallery-image {
  opacity: 0;
}

.deferred-gallery-image:not([data-src]) {
  opacity: 1;
  transition: opacity 0.2s ease;
}

.youtube-facade {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: #000;
  cursor: pointer;
  overflow: hidden;
}

.youtube-facade::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.12);
  transition: background 0.2s ease;
}

.youtube-facade:hover::after,
.youtube-facade:focus-visible::after {
  background: rgba(0, 0, 0, 0.25);
}

.youtube-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.youtube-play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 54px;
  color: #fff;
  background: #ff0000;
  border-radius: 14px;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
}

.youtube-play-button i {
  margin-left: 3px;
  font-size: 38px;
  line-height: 1;
}

.youtube-facade.is-loading .youtube-play-button {
  opacity: 0.55;
}

@media (max-width: 767px) {
  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .portfolio .isotope-item {
    transition: none !important;
  }

  .portfolio .portfolio-content img {
    transition: none;
  }

  .portfolio .portfolio-content:hover img {
    transform: none;
  }
}