/* =============================================
   referenzen.css – Galerie-Seite
   ============================================= */

/* PAGE HERO override for referenzen (dark) – base in style.css */

/* --- FILTER BAR --- */
.filter-wrap {
  position: sticky;
  top: calc(var(--nav-h) + var(--banner-h));
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--sand);
  box-shadow: 0 2px 8px rgba(44,26,14,.06);
}

.filter-bar {
  display: flex;
  gap: .375rem;
  overflow-x: auto;
  padding: .75rem 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  padding: .45rem 1rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 500;
  color: var(--brown-mid);
  background: var(--gray-light);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  min-height: 36px;
  white-space: nowrap;
}

.filter-btn:hover {
  background: var(--sand);
  color: var(--brown);
}

.filter-btn.active {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

/* --- GALLERY --- */
.gallery-section {
  padding: 2.5rem 0 4rem;
  background: var(--cream);
}

.gallery-count {
  font-size: .875rem;
  color: var(--gray);
  margin-bottom: 1.25rem;
}

/* Masonry-ähnliches Grid mit CSS columns */
.gallery-grid {
  columns: 2;
  column-gap: .75rem;
  /* JS setzt display:none auf gefilterte Items */
}

@media (min-width: 600px) {
  .gallery-grid { columns: 3; }
}

@media (min-width: 900px) {
  .gallery-grid { columns: 4; column-gap: 1rem; }
}

@media (min-width: 1200px) {
  .gallery-grid { columns: 5; }
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: .75rem;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  background: var(--sand);
}

@media (min-width: 900px) {
  .gallery-item { margin-bottom: 1rem; }
}

.gallery-item[hidden] { display: none !important; }

.gallery-item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform .35s ease, opacity .35s ease;
  opacity: 0; /* fade in on load */
}

.gallery-item img.loaded { opacity: 1; }

.gallery-item:hover img { transform: scale(1.04); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(20,12,6,.0);
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item__overlay svg {
  color: var(--white);
  opacity: 0;
  transform: scale(.8);
  transition: opacity var(--transition), transform var(--transition);
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 6px rgba(0,0,0,.4));
}

.gallery-item:hover .gallery-item__overlay {
  background: rgba(20,12,6,.25);
}

.gallery-item:hover .gallery-item__overlay svg {
  opacity: 1;
  transform: scale(1);
}

/* Skeleton placeholder while loading */
.gallery-item--skeleton {
  aspect-ratio: 1;
  background: linear-gradient(90deg, var(--sand) 25%, var(--sand-dark) 50%, var(--sand) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease-in-out infinite;
  cursor: default;
}

@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Load more */
.load-more-wrap {
  text-align: center;
  margin-top: 2.5rem;
}

.load-more-wrap[hidden] { display: none; }

/* Empty state */
.gallery-empty {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--gray);
  font-size: 1.0625rem;
}

/* --- FOOTER CTA --- */
.ref-cta {
  padding: 3.5rem 0;
  background: var(--green);
}

.ref-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

@media (min-width: 640px) {
  .ref-cta__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.ref-cta__title {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.ref-cta__sub {
  color: rgba(255,255,255,.8);
  font-size: 1.0625rem;
  margin-top: .375rem;
}

.ref-cta .btn--primary {
  background: var(--white);
  color: var(--green);
  border-color: var(--white);
  flex-shrink: 0;
  font-size: 1rem;
}

.ref-cta .btn--primary:hover {
  background: var(--cream);
  border-color: var(--cream);
}

/* Active nav link */
.nav__active {
  color: var(--green) !important;
  font-weight: 600 !important;
}