/* Diagpro — галерея выполненных работ + лайтбокс (fancybox-style).
   Подключается только на страницах CPT «case». */

/* ---------- Сетка превью (все фото одного размера) ---------- */
.case-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.case-gallery__item {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;          /* квадрат — одинаковый размер для всех */
  overflow: hidden;
  border-radius: var(--radius-lg, 4px);
  border: 1px solid var(--line, rgba(255,255,255,.08));
  background: var(--surface-2, #272C35);
  cursor: zoom-in;
}
.case-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;            /* кадрирует к одинаковому размеру */
  display: block;
  transition: transform .4s ease;
}
.case-gallery__item:hover .case-gallery__img { transform: scale(1.06); }

.case-gallery__zoom {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: rgba(14, 15, 18, .35);
  opacity: 0;
  transition: opacity .25s ease;
}
.case-gallery__zoom svg { width: 30px; height: 30px; }
.case-gallery__item:hover .case-gallery__zoom,
.case-gallery__item:focus-visible .case-gallery__zoom { opacity: 1; }

@media (max-width: 900px) { .case-gallery { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .case-gallery { grid-template-columns: repeat(2, 1fr); gap: 8px; } }

/* ---------- Лайтбокс ---------- */
.diag-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 9, 11, .92);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.diag-lightbox.open { opacity: 1; visibility: visible; }

.diag-lightbox__stage {
  position: relative;
  max-width: min(1100px, 96vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.diag-lightbox__img {
  max-width: 100%;
  max-height: 82vh;
  object-fit: contain;
  border-radius: var(--radius-lg, 4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  transform: scale(.96);
  transition: transform .25s ease;
}
.diag-lightbox.open .diag-lightbox__img { transform: scale(1); }

.diag-lightbox__caption {
  margin-top: 14px;
  color: var(--text-dim, #8A909A);
  font-size: 14px;
  text-align: center;
}
.diag-lightbox__count {
  margin-top: 4px;
  font-family: var(--font-tech, monospace);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-faint, #6b7280);
}

.diag-lightbox__btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  background: rgba(20, 22, 27, .6);
  color: #fff;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
}
.diag-lightbox__btn:hover { background: var(--accent, #FF7A00); border-color: var(--accent, #FF7A00); color: #0E0F12; }
.diag-lightbox__btn svg { width: 22px; height: 22px; }
.diag-lightbox__btn[disabled] { opacity: .3; cursor: default; pointer-events: none; }

.diag-lightbox__close { top: -16px; right: -16px; }
.diag-lightbox__prev  { left: -68px; top: 50%; transform: translateY(-50%); }
.diag-lightbox__next  { right: -68px; top: 50%; transform: translateY(-50%); }

@media (max-width: 820px) {
  .diag-lightbox__prev { left: 8px; }
  .diag-lightbox__next { right: 8px; }
  .diag-lightbox__close { top: 8px; right: 8px; }
}