/* ================================================
   HoGtec – Referenzen: Übersicht, Kacheln, Detailseite
   Ergänzt style.css (ref-project / ref-detail-card bleiben dort).
   ================================================ */

.refs {
  padding: 72px 0 var(--section-padding);
}

.refs--weitere {
  padding-top: 0;
  border-top: 1px solid var(--color-border);
  padding-top: 80px;
}

.refs--weitere .section-tag {
  text-align: left;
  margin-bottom: 32px;
}

/* ---------- Filter ---------- */
.refs__filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 56px;
}

.refs__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-dark);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.refs__pill span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-light);
  background: var(--color-off-white);
  border-radius: 50px;
  padding: 2px 8px;
}

.refs__pill:hover {
  border-color: var(--color-primary);
}

.refs__pill--aktiv {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-white);
}

.refs__pill--aktiv span {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-primary);
}

/* ---------- Kacheln ---------- */
.refs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.ref-karte {
  display: flex;
  flex-direction: column;
  border-radius: 14px;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.ref-karte:hover {
  transform: translateY(-5px);
  border-color: rgba(129, 215, 66, 0.5);
  box-shadow: 0 20px 50px rgba(10, 22, 40, 0.09);
}

.ref-karte__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-dark);
}

.ref-karte__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.ref-karte:hover .ref-karte__media img {
  transform: scale(1.05);
}

.ref-karte__platzhalter {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(129, 215, 66, 0.55);
}

.ref-karte__platzhalter svg {
  width: 72px;
  height: 72px;
}

.ref-karte__kategorie {
  position: absolute;
  left: 16px;
  top: 16px;
  padding: 6px 12px;
  border-radius: 50px;
  background: rgba(10, 22, 40, 0.82);
  backdrop-filter: blur(6px);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ref-karte__body {
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.ref-karte__titel {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.3;
  margin-bottom: 6px;
}

.ref-karte__meta {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.ref-karte__text {
  font-size: 0.93rem;
  color: var(--color-text-light);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 20px;
}

.ref-karte__link {
  margin-top: auto;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  position: relative;
  padding-right: 20px;
}

.ref-karte__link::after {
  content: '→';
  position: absolute;
  right: 0;
  transition: transform 0.25s;
}

.ref-karte:hover .ref-karte__link::after {
  transform: translateX(4px);
}

.refs__leer {
  text-align: center;
  color: var(--color-text-light);
  padding: 60px 24px;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
}

.refs__leer p {
  margin-bottom: 20px;
}

.refs__leer--filter {
  margin-top: 8px;
}

/* ---------- Detailseite ---------- */
.page-header--compact .hero__tag:hover {
  border-color: var(--color-primary);
}

.page-header--compact .btn {
  margin-top: 28px;
}

.ref-project__grid--ohne-bild {
  grid-template-columns: 1fr;
  max-width: 760px;
}

.ref-systeme {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.ref-systeme li {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 7px 14px;
  border-radius: 50px;
  border: 1px solid var(--color-border);
  color: var(--color-dark);
}

.ref-galerie {
  padding: 0 0 var(--section-padding);
}

.ref-galerie .section-tag {
  text-align: left;
  margin-bottom: 24px;
}

.ref-galerie__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ref-galerie__item {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-off-white);
}

.ref-galerie__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.ref-galerie__item:hover img {
  transform: scale(1.04);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .refs__grid,
  .ref-galerie__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .refs {
    padding-top: 48px;
  }

  .refs__filter {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 8px;
    margin-bottom: 36px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .refs__filter::-webkit-scrollbar {
    display: none;
  }

  .refs__pill {
    white-space: nowrap;
  }

  .refs__grid,
  .ref-galerie__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}