/* Portfolio grid — masonry columns + hover captions + lightbox chrome */

.block-portfolio-grid { margin-top: 48px; }

.block-portfolio-grid__masonry {
  columns: 3;
  column-gap: var(--grid-gap);
}

.block-portfolio-grid__item {
  display: block;
  width: 100%;
  margin: 0 0 var(--grid-gap);
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
  position: relative;
  overflow: hidden;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
}

.block-portfolio-grid__img {
  display: block;
  width: 100%;
  height: auto;
}

.block-portfolio-grid__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-align: left;
  color: #ffffff;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.55));
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.block-portfolio-grid__item:hover .block-portfolio-grid__caption,
.block-portfolio-grid__item:focus-visible .block-portfolio-grid__caption {
  opacity: 1;
}

.block-portfolio-grid__item:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ── Lightbox (markup injected by theme.js) ─────────────── */

.fz-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.98);
}

.fz-lightbox.is-open { display: flex; }

.fz-lightbox__img {
  max-width: min(92vw, 1400px);
  max-height: 86vh;
  width: auto;
  height: auto;
  display: block;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.12);
}

.fz-lightbox__btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: none;
  background: none;
  color: #6b6b6b;
  cursor: pointer;
  transition: color var(--transition);
  z-index: 2;
}

.fz-lightbox__btn:hover { color: var(--color-foreground); }

.fz-lightbox__btn svg { width: 26px; height: 26px; display: block; }

.fz-lightbox__close { top: 18px; right: 18px; }

.fz-lightbox__prev,
.fz-lightbox__next {
  top: 50%;
  transform: translateY(-50%);
}

.fz-lightbox__prev { left: 12px; }
.fz-lightbox__next { right: 12px; }

.fz-lightbox__counter {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--color-muted-fg);
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 1024px) {
  .block-portfolio-grid__masonry { columns: 2; }
}

@media (max-width: 820px) {
  .block-portfolio-grid { margin-top: 28px; }
  .block-portfolio-grid__masonry { columns: 2; }

  .fz-lightbox__img { max-width: 100vw; max-height: 80vh; }
  .fz-lightbox__close { top: 8px; right: 8px; }
  .fz-lightbox__prev { left: 0; }
  .fz-lightbox__next { right: 0; }
}