:root {
  --hrk-accent: #334732;
  --hrk-popup-bg: #2a2a2a;
  --hrk-popup-text: #ffffff;
  --hrk-popup-text-soft: rgba(255, 255, 255, 0.78);
  --hrk-popup-text-muted: rgba(255, 255, 255, 0.58);
  --hrk-marker-fill: rgb(186 153 198 / 94%);
  --hrk-marker-stroke: rgb(186 153 198 / 94%);
  --hrk-accent-toggle: rgb(186 153 198 / 94%);
  --hrk-radius-soft: 2px;
  --hrk-radius-popup: 2px;
}

.humberg-referenzkarte-wrapper {
  width: 100%;
}

.humberg-referenzkarte-filtergroups {
  margin-bottom: 14px;
}

.hrk-filtergroup-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hrk-filtergroup-btn {
  appearance: none;
  border: 1px solid #d7d7d7;
  background: #fff;
  color: #1f2328;
  border-radius: 2px;
  padding: 8px 14px;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hrk-filtergroup-btn:hover {
  border-color: var(--hrk-accent);
  color: var(--hrk-accent);
  background: #f8f8f8;
}

.hrk-filtergroup-btn.is-active {
  background: var(--hrk-popup-bg);
  color: #fff;
  border-color: var(--hrk-popup-bg);
}

.hrk-filtergroup-count {
  opacity: 0.75;
  font-size: 0.9em;
}

.humberg-referenzkarte {
  width: 100%;
  min-height: 420px;
  border-radius: 16px;
  overflow: hidden;
  background: #f2f2f2;
}

.hrk-tile-bw {
  filter: grayscale(1) contrast(1.05) brightness(1.02);
}

.humberg-referenzkarte-status {
  margin-top: 10px;
  font-size: 14px;
  color: #666;
}

.hrk-cluster-icon {
  background: transparent;
  border: 0;
}

.hrk-cluster-inner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--hrk-marker-fill);
  color: #243224;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.18);
  border: 1px solid var(--hrk-marker-stroke);
}

.hrk-popup-wrapper .leaflet-popup-content-wrapper {
  background: var(--hrk-popup-bg);
  color: var(--hrk-popup-text);
  border-radius: var(--hrk-radius-popup);
  padding: 0;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.hrk-popup-wrapper .leaflet-popup-content {
  margin: 0;
  width: 320px !important;
}

.hrk-popup-wrapper .leaflet-popup-tip {
  background: var(--hrk-popup-bg);
}

.hrk-popup {
  background: var(--hrk-popup-bg);
  color: var(--hrk-popup-text);
}

.hrk-popup-image-bleed {
  margin: 0;
  padding: 0;
}

.hrk-popup-hero-link {
  display: block;
}

.hrk-popup-hero-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hrk-popup-image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #3a3a3a, #242424);
}

.hrk-popup-body {
  padding: 16px 16px 18px;
}

.hrk-popup-title {
  font-weight: 700;
  font-size: 16px;
  line-height: 1.35;
  margin-bottom: 10px;
  color: var(--hrk-popup-text);
}

.hrk-popup-address {
  font-size: 13px;
  line-height: 1.5;
  color: var(--hrk-popup-text-soft);
}

.hrk-gallery-open-link {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--hrk-popup-text-soft);
  padding: 0;
  margin-top: 10px;
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.hrk-gallery-open-link:hover {
  color: var(--hrk-accent);
}

.hrk-accordion {
  margin-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 12px;
}

.hrk-accordion-toggle {
  appearance: none;
  width: 100%;
  border: 0;
  background: none;
  color: var(--hrk-popup-text-soft);
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: color 0.2s ease;
}

.hrk-accordion-toggle:hover,
.hrk-accordion-toggle.is-open {
  color: var(--hrk-accent-toggle);
}

.hrk-accordion-icon {
  font-size: 16px;
  line-height: 1;
  color: inherit;
}

.hrk-accordion-panel {
  display: none;
  margin-top: 12px;
}

.hrk-accordion-panel.is-open {
  display: block;
}

.hrk-article-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hrk-article-item + .hrk-article-item {
  margin-top: 10px;
}

.hrk-article-name {
  font-weight: 600;
  font-size: 13px;
  color: var(--hrk-popup-text);
}

.hrk-article-count {
  margin-left: 6px;
  font-size: 12px;
  color: var(--hrk-popup-text-muted);
  font-weight: 400;
}

.hrk-article-meta {
  margin-top: 2px;
  font-size: 12px;
  color: var(--hrk-popup-text-muted);
}

.hrk-article-image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.hrk-article-image-grid img {
  display: block;
  width: 100%;
  height: 82px;
  object-fit: cover;
  border-radius: var(--hrk-radius-soft);
}

.hrk-article-image-grid a {
  display: block;
}

.hrk-gallery-more {
  display: none;
}

.hrk-lightbox {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
}

.hrk-lightbox.is-open {
  display: block;
}

.hrk-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
}

.hrk-lightbox-inner {
  position: absolute;
  inset: 5% 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hrk-lightbox-inner img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--hrk-radius-soft);
}

.hrk-lightbox-caption {
  margin-top: 12px;
  color: #fff;
  font-size: 14px;
  text-align: center;
}

.hrk-lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 0;
  background: rgba(255, 255, 255, 0.96);
  color: #000;
  width: 42px;
  height: 42px;
  border-radius: 4%;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 100001;
}

.hrk-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: rgba(255, 255, 255, 0.96);
  color: #000;
  width: 20px;
  height: 48px;
  border-radius: 4%;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 100001;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 16px rgba(0, 0, 0, 0.28);
}

.hrk-lightbox-prev {
  left: 18px;
}

.hrk-lightbox-next {
  right: 18px;
}

@media (max-width: 767px) {
  .humberg-referenzkarte {
    min-height: 360px;
  }

  .hrk-filtergroup-btn {
    font-size: 13px;
    padding: 7px 12px;
  }

  .hrk-popup-wrapper .leaflet-popup-content {
    width: 280px !important;
  }

  .hrk-popup-body {
    padding: 14px 14px 16px;
  }

  .hrk-lightbox-nav {
    width: 42px;
    height: 42px;
    font-size: 26px;
  }

  .hrk-lightbox-prev {
    left: 10px;
  }

  .hrk-lightbox-next {
    right: 10px;
  }
}