/* =========================================================
   Portfolio single gallery + lightbox (dedicated file)
   Enqueued only on single portfolio pages.
   ========================================================= */

.portfolio-project-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  grid-template-rows: minmax(280px, 620px);
  gap: 1rem;
  width: 100%;
  align-items: stretch;
}

.portfolio-gallery-featured {
  grid-column: 1;
  grid-row: 1;
  min-height: 100%;
}

.portfolio-gallery-grid {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  min-height: 0;
  height: 100%;
}

.portfolio-gallery-item {
  position: relative;
  display: block;
  overflow: hidden;
  height: 100%;
  min-height: 0;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(145deg, #f4f0fa 0%, #ebe4f5 100%);
  border-radius: 1.1rem;
  border: 1px solid rgba(100, 71, 157, 0.12);
  box-shadow: 0 14px 36px rgba(100, 71, 157, 0.1);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
}

.portfolio-gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.portfolio-gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 48px rgba(100, 71, 157, 0.18);
}

.portfolio-gallery-item:hover img {
  transform: scale(1.05);
}

.portfolio-gallery-zoom {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  z-index: 3;
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: #2b1748;
  font-size: 1.3rem;
  line-height: 1;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.14);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.portfolio-gallery-item:hover .portfolio-gallery-zoom {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-gallery-more::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(145deg, rgba(43, 23, 72, 0.28), rgba(0, 0, 0, 0.72));
  pointer-events: none;
}

.portfolio-gallery-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  pointer-events: none;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
}

.portfolio-project-description {
  max-width: 900px;
  margin: clamp(3rem, 7vw, 5rem) auto 0;
}

.portfolio-project-description h2 {
  margin-bottom: 1.15rem;
  color: #64479d;
}

.portfolio-single-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #444;
}

.portfolio-project-back {
  margin-top: 2.75rem;
}

.portfolio-no-image {
  padding: 4rem 1.5rem;
  text-align: center;
  background: #f5f5f5;
  border-radius: 1.1rem;
}

/* ---------- Lightbox (fixed overlay, never in page flow) ---------- */

.portfolio-lightbox-modal {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 2147483000 !important;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(8, 6, 14, 0.96);
}

.portfolio-lightbox-modal.is-open {
  display: flex !important;
}

body.portfolio-lightbox-open {
  overflow: hidden !important;
}

.portfolio-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: transparent;
}

.portfolio-lightbox-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 2rem));
  height: min(92vh, 920px);
  display: flex;
  flex-direction: column;
  padding: 3.25rem 1rem 1rem;
  box-sizing: border-box;
}

.portfolio-lightbox-close {
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  z-index: 5;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
}

.portfolio-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.28);
}

.portfolio-lightbox-image-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-lightbox-current-image {
  display: block;
  max-width: calc(100% - 7rem);
  max-height: calc(92vh - 11rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 0.5rem;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  transition: opacity 0.2s ease;
}

.portfolio-lightbox-prev,
.portfolio-lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 3.15rem;
  height: 3.15rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.portfolio-lightbox-prev { left: 0; }
.portfolio-lightbox-next { right: 0; }

.portfolio-lightbox-prev:hover,
.portfolio-lightbox-next:hover {
  background: rgba(255, 255, 255, 0.28);
}

.portfolio-lightbox-counter {
  margin-top: 0.85rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.portfolio-lightbox-thumbs {
  display: flex;
  gap: 0.55rem;
  overflow-x: auto;
  padding: 0.85rem 0.15rem 0.25rem;
  margin-top: 0.35rem;
  scrollbar-width: thin;
}

.portfolio-lightbox-thumb {
  flex: 0 0 72px;
  width: 72px;
  height: 54px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 0.45rem;
  overflow: hidden;
  background: #222;
  opacity: 0.55;
  cursor: pointer;
  transition: opacity 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.portfolio-lightbox-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-lightbox-thumb:hover {
  opacity: 0.85;
}

.portfolio-lightbox-thumb.is-active {
  opacity: 1;
  border-color: #fff;
  transform: translateY(-2px);
}

@media (max-width: 991px) {
  .portfolio-project-gallery {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(260px, 420px) minmax(260px, 420px);
  }

  .portfolio-gallery-featured,
  .portfolio-gallery-grid {
    grid-column: 1;
  }

  .portfolio-gallery-featured {
    grid-row: 1;
  }

  .portfolio-gallery-grid {
    grid-row: 2;
  }
}

@media (max-width: 575px) {
  .portfolio-project-gallery {
    grid-template-rows: minmax(220px, 300px) minmax(240px, 320px);
    gap: 0.75rem;
  }

  .portfolio-gallery-grid {
    gap: 0.75rem;
  }

  .portfolio-lightbox-inner {
    width: calc(100% - 0.75rem);
    height: 96vh;
    padding: 3rem 0.35rem 0.75rem;
  }

  .portfolio-lightbox-current-image {
    max-width: calc(100% - 4.5rem);
    max-height: calc(96vh - 10rem);
  }

  .portfolio-lightbox-prev,
  .portfolio-lightbox-next {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.25rem;
  }

  .portfolio-lightbox-thumb {
    flex-basis: 64px;
    width: 64px;
    height: 48px;
  }
}