/* ============================================================
   Gallery Page — Styles
   ============================================================ */

/* ── Filter Tabs ──────────────────────────────────────────── */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.filter-btn {
  padding: 9px 22px;
  border-radius: 99px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--gray-light);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Poppins', sans-serif;
  letter-spacing: 0.3px;
}

.filter-btn:hover {
  border-color: rgba(255, 107, 0, 0.4);
  color: var(--primary-light);
  background: rgba(255, 107, 0, 0.08);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 18px rgba(255, 107, 0, 0.35);
}

/* ── Gallery Grid ─────────────────────────────────────────── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

@media (max-width: 1100px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px)  { .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }
@media (max-width: 480px)  { .gallery-grid { grid-template-columns: 1fr; } }

/* ── Gallery Item ─────────────────────────────────────────── */
.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item.hidden {
  display: none;
}

.gallery-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  aspect-ratio: 4 / 3;
  background: var(--blue-card);
}

.gallery-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-img-wrap img {
  transform: scale(1.08);
}

/* ── Gallery Overlay ──────────────────────────────────────── */
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(6, 13, 26, 0.96) 0%,
    rgba(6, 13, 26, 0.5) 50%,
    rgba(6, 13, 26, 0.05) 100%
  );
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.35s ease;
  border-radius: var(--radius-lg);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay-content {
  transform: translateY(10px);
  transition: transform 0.35s ease;
  width: 100%;
}

.gallery-item:hover .gallery-overlay-content {
  transform: translateY(0);
}

.gallery-cat-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 7px;
}

.gallery-overlay-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
  line-height: 1.3;
}

.gallery-overlay-content p {
  font-size: 0.78rem;
  color: var(--gray-light);
  margin-bottom: 10px;
}

.gallery-zoom-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 99px;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: 'Poppins', sans-serif;
  backdrop-filter: blur(8px);
}

.gallery-zoom-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.4);
}

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 12, 0.97);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 20px;
}

.lightbox-overlay.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-inner {
  position: relative;
  max-width: 1000px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  max-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-card);
  width: 100%;
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  display: block;
  transition: opacity 0.25s ease;
}

.lightbox-img-wrap img.loading {
  opacity: 0.3;
}

.lightbox-caption {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--gray-light);
  text-align: center;
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Lightbox controls */
.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  line-height: 1;
}

.lightbox-close:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  backdrop-filter: blur(8px);
  z-index: 1;
  line-height: 1;
}

.lightbox-prev { left: -68px; }
.lightbox-next { right: -68px; }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

@media (max-width: 960px) {
  .lightbox-prev { left: 6px; }
  .lightbox-next { right: 6px; }
  .lightbox-close { top: -48px; }
}

/* ── Filter animation ─────────────────────────────────────── */
.gallery-item {
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.gallery-item.fade-out {
  opacity: 0;
  transform: scale(0.94);
  pointer-events: none;
}