/* ============================================================
   ALIFY — lightbox.css · gallery lightbox (portfolio singles)
   Vanilla overlay: counter, caption, prev/next, close.
   JS hooks: .lb (root), .is-open, .is-loading.
   ============================================================ */

.lb {
  position: fixed;
  inset: 0;
  z-index: 1350;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 56px);
  background: rgba(9, 9, 11, .92);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility 0s .35s;
}
.lb.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity .35s ease;
}

.lb__stage {
  position: relative;
  max-width: min(1180px, 92vw);
  max-height: 84vh;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.lb__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(247, 247, 245, .12);
  background: #12131A;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}
.lb__img {
  display: block;
  max-width: 100%;
  max-height: calc(84vh - 58px);
  object-fit: contain;
  opacity: 0;
  transform: scale(.985);
  transition: opacity .4s ease, transform .45s cubic-bezier(.22, 1, .36, 1);
}
.lb__img.is-loaded { opacity: 1; transform: scale(1); }

.lb__spinner {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s;
}
.lb.is-loading .lb__spinner { opacity: 1; }
.lb__spinner::before {
  content: "";
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(247, 247, 245, .18);
  border-top-color: var(--green);
  animation: lbSpin .8s linear infinite;
}
@keyframes lbSpin { to { transform: rotate(360deg); } }

.lb__bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
}
.lb__caption {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: .82rem;
  letter-spacing: .04em;
  color: rgba(247, 247, 245, .72);
}
.lb__count {
  font-family: "Space Grotesk", sans-serif;
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: rgba(247, 247, 245, .45);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* controls */
.lb__btn {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(247, 247, 245, .16);
  background: rgba(18, 19, 26, .72);
  color: #F7F7F5;
  font-size: 1.2rem;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background .3s, border-color .3s, transform .3s;
}
.lb__btn:hover { background: var(--green); border-color: var(--green); color: #0D0D0D; }
.lb__btn:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.lb__close { top: clamp(20px, 3vw, 34px); right: clamp(20px, 3vw, 34px); position: fixed; }

.lb__prev, .lb__next {
  top: 50%;
  transform: translateY(-50%);
  position: fixed;
}
.lb__prev { left: clamp(14px, 3vw, 34px); }
.lb__next { right: clamp(14px, 3vw, 34px); }

@media (max-width: 720px) {
  .lb__prev, .lb__next { display: none; }   /* swipe on touch */
  .lb { padding: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .lb__img, .lb { transition-duration: .15s; }
}