.premium-gallery {
  min-height: 100vh;
  width: 100%;
  padding: 140px 24px 64px;
  background: #fff;
  color: #111;
}

.premium-gallery__title {
  margin: 0 0 32px;
  text-align: center;
  font: 700 40px/1.1 Inter, Arial, sans-serif;
}

.premium-gallery__description {
  max-width: 860px;
  margin: 0 auto 32px;
  padding: 0 12px;
  color: #111;
  opacity: 0.9;
  text-align: center;
  font: 400 20px/1.5 Inter, Arial, sans-serif;
}

.premium-gallery__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  width: min(100%, 1680px);
  margin: 0 auto;
}

.premium-gallery__item {
  content-visibility: auto;
  contain-intrinsic-size: 400px 500px;
  position: relative;
  aspect-ratio: 4 / 5;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 6px;
  background: #ececec;
  cursor: pointer;
}

.premium-gallery__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 550ms cubic-bezier(.22, 1, .36, 1), filter 550ms ease;
}

.premium-gallery__item:hover img,
.premium-gallery__item:focus-visible img {
  transform: scale(1.018);
  filter: saturate(1.04) contrast(1.015);
}

.premium-gallery__item:focus-visible {
  outline: 2px solid #00b2f5;
  outline-offset: 2px;
}

.premium-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000000;
  display: grid;
  place-items: center;
  padding: 24px 88px 88px;
  background: rgba(8, 8, 8, .96);
  opacity: 0;
  visibility: hidden;
  transition: opacity 260ms ease, visibility 260ms ease;
}

.premium-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.premium-lightbox__image {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 112px);
  object-fit: contain;
  border-radius: 4px;
  transform: scale(.985);
  opacity: 0;
  transition: transform 380ms cubic-bezier(.22, 1, .36, 1), opacity 240ms ease;
}

.premium-lightbox.is-open .premium-lightbox__image {
  transform: scale(1);
  opacity: 1;
}

.premium-lightbox__nav,
.premium-lightbox__close {
  position: absolute;
  border: 1px solid rgba(255,255,255,.36);
  background: rgba(255,255,255,.94);
  color: #111;
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease;
}

.premium-lightbox__nav {
  top: 50%;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  transform: translateY(-50%);
  font: 400 30px/1 Arial, sans-serif;
}

.premium-lightbox__nav:hover { background: #c5d501; }
.premium-lightbox__prev { left: 24px; }
.premium-lightbox__next { right: 24px; }

.premium-lightbox__close {
  left: 50%;
  bottom: 24px;
  min-width: 104px;
  height: 44px;
  padding: 0 24px;
  border-radius: 22px;
  transform: translateX(-50%);
  font: 600 15px/1 Inter, Arial, sans-serif;
}

.premium-lightbox__close:hover {
  background: #c5d501;
  transform: translateX(-50%) translateY(-2px);
}

body.premium-lightbox-open { overflow: hidden; }

@media (max-width: 1100px) {
  .premium-gallery__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .premium-gallery { padding: 104px 8px 40px; }
  .premium-gallery__title { margin-bottom: 24px; font-size: 32px; }
  .premium-gallery__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; }
  .premium-gallery__item { border-radius: 4px; }
  .premium-lightbox { padding: 12px 12px 80px; }
  .premium-lightbox__nav { top: auto; bottom: 22px; width: 44px; height: 44px; transform: none; }
  .premium-lightbox__prev { left: 16px; }
  .premium-lightbox__next { right: 16px; }
  .premium-lightbox__close { bottom: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .premium-gallery__item img,
  .premium-lightbox,
  .premium-lightbox__image,
  .premium-lightbox__nav,
  .premium-lightbox__close { transition: none; }
}
@media (max-width: 767px) {
  .premium-gallery__description {
    color: #606060;
    font-size: 16px;
  }
}