/* ============================================================
   Designfo CMS — Gallery Styles
   Supports: grid | masonry | slider | metro
   ============================================================ */

/* ── Shared wrapper ─────────────────────────────────────── */
.df-gallery {
  --g-cols: 3;
  --g-gap:  12px;
  position: relative;
  width: 100%;
}

/* ── Item base ──────────────────────────────────────────── */
.df-item,
.df-slide {
  position: relative;
  overflow: hidden;
  border-radius: 10px;
  background: var(--navy-700, #1e293b);
}
.df-item img,
.df-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease, opacity .3s ease;
}
.df-item:hover img,
.df-slide:hover img {
  transform: scale(1.04);
}

/* Caption */
.df-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 8px 12px;
  background: linear-gradient(transparent, rgba(0,0,0,.75));
  color: #fff;
  font-size: .8rem;
  font-weight: 500;
  border-radius: 0 0 10px 10px;
}

/* Lightbox trigger overlay */
.df-lb-trigger {
  display: block;
  position: relative;
  overflow: hidden;
  height: 100%;
}
.df-lb-trigger::after {
  content: '\f00e'; /* fa-search-plus */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  background: rgba(37,99,235,.0);
  transition: background .3s ease, opacity .3s ease;
  opacity: 0;
  border-radius: 10px;
}
.df-lb-trigger:hover::after {
  background: rgba(37,99,235,.55);
  opacity: 1;
}

/* ── GRID ───────────────────────────────────────────────── */
.df-gallery--grid .df-items {
  display: grid;
  grid-template-columns: repeat(var(--g-cols), 1fr);
  gap: var(--g-gap);
}
.df-gallery--grid .df-item {
  aspect-ratio: 4/3;
}
.df-gallery--grid .df-item img {
  height: 100%;
}

/* ── MASONRY ────────────────────────────────────────────── */
.df-gallery--masonry .df-items {
  column-count: var(--g-cols);
  column-gap: var(--g-gap);
}
.df-gallery--masonry .df-item {
  break-inside: avoid;
  margin-bottom: var(--g-gap);
}
.df-gallery--masonry .df-item img {
  height: auto;
  width: 100%;
}
.df-gallery--masonry .df-lb-trigger {
  height: auto;
}

/* ── METRO ──────────────────────────────────────────────── */
.df-gallery--metro .df-items {
  display: grid;
  grid-template-columns: repeat(var(--g-cols), 1fr);
  grid-auto-rows: 200px;
  gap: var(--g-gap);
}
.df-gallery--metro .df-item {
  aspect-ratio: auto;
}
.df-gallery--metro .df-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}
.df-gallery--metro .df-item img {
  height: 100%;
}
.df-gallery--metro .df-lb-trigger {
  height: 100%;
}

/* ── SLIDER / CAROUSEL ──────────────────────────────────── */
.df-gallery--slider {
  overflow: hidden;
  border-radius: 14px;
}

.df-slider-track {
  display: flex;
  transition: transform .45s cubic-bezier(.25,.8,.25,1);
  will-change: transform;
}

.df-slide {
  flex: 0 0 calc((100% - (var(--g-cols) - 1) * var(--g-gap)) / var(--g-cols));
  margin-right: var(--g-gap);
  aspect-ratio: 4/3;
  border-radius: 12px;
}
.df-slide img {
  height: 100%;
}

/* Slider arrows */
.df-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .25s ease, transform .25s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,.35);
}
.df-slider-btn:hover {
  background: rgba(37,99,235,.9);
  transform: translateY(-50%) scale(1.1);
}
.df-slider-prev { left: 12px; }
.df-slider-next { right: 12px; }

/* Dots */
.df-slider-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
  z-index: 10;
}
.df-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  padding: 0;
  transition: background .25s, width .25s, border-radius .25s;
}
.df-dot.active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}

/* ── Gallery Lightbox ────────────────────────────────────── */
#df-lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.93);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
#df-lightbox.open { display: flex; }

#df-lb-img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 20px 80px rgba(0,0,0,.8);
  user-select: none;
}

#df-lb-close {
  position: absolute;
  top: 1.2rem; right: 1.5rem;
  background: rgba(255,255,255,.1);
  border: none; color: #fff;
  font-size: 1.5rem;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
#df-lb-close:hover { background: rgba(239,68,68,.7); }

.df-lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.1);
  border: none; color: #fff;
  font-size: 1.2rem;
  width: 46px; height: 46px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, transform .2s;
  backdrop-filter: blur(4px);
}
.df-lb-nav:hover {
  background: rgba(37,99,235,.8);
  transform: translateY(-50%) scale(1.1);
}
#df-lb-prev { left: 1.5rem; }
#df-lb-next { right: 1.5rem; }

#df-lb-counter {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.6);
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .05em;
  pointer-events: none;
}

/* ── Homepage Gallery Section ────────────────────────────── */
.gallery-section-wrap {
  margin-top: 3rem;
}
.gallery-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}
.gallery-tab {
  padding: 7px 20px;
  border-radius: 50px;
  border: 1px solid var(--border, rgba(37,99,235,.25));
  background: transparent;
  color: var(--gray-400, #94a3b8);
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s ease;
}
.gallery-tab.active,
.gallery-tab:hover {
  background: var(--blue-500, #2563eb);
  color: #fff;
  border-color: var(--blue-500, #2563eb);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .df-gallery--grid .df-items,
  .df-gallery--metro .df-items {
    grid-template-columns: repeat(min(var(--g-cols), 2), 1fr);
  }
  .df-gallery--masonry .df-items {
    column-count: min(var(--g-cols), 2);
  }
  .df-slide {
    flex: 0 0 calc((100% - var(--g-gap)) / 2);
  }
}
@media (max-width: 560px) {
  .df-gallery--grid .df-items {
    grid-template-columns: repeat(2, 1fr);
  }
  .df-gallery--masonry .df-items {
    column-count: 2;
  }
  .df-gallery--metro .df-items {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 140px;
  }
  .df-slide {
    flex: 0 0 100%;
    margin-right: 0;
  }
  .df-lb-nav { display: none; }
}

/* ── Light-mode overrides ───────────────────────────────── */
[data-theme="light"] .df-item,
[data-theme="light"] .df-slide {
  background: #f1f5f9;
}
[data-theme="light"] .df-slider-btn {
  background: rgba(255,255,255,.75);
  color: #1e293b;
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
[data-theme="light"] .df-slider-btn:hover {
  background: rgba(37,99,235,.9);
  color: #fff;
}
[data-theme="light"] #df-lightbox {
  background: rgba(0,0,0,.88);
}