/* page-referenzen — Kundenreferenzen */

/* ===== LOGO GRID + FILTER ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}
.filter-btn {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  border: 1px solid var(--bimtec-outline-variant);
  background: transparent;
  color: var(--bimtec-on-surface-variant);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover {
  border-color: var(--bimtec-tertiary);
  color: var(--bimtec-primary);
}
.filter-btn.active {
  background: var(--bimtec-primary);
  color: #ffffff;
  border-color: var(--bimtec-primary);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}
@media (min-width: 768px) {
  .logo-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}
.logo-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 1rem;
  border: 1px solid rgba(198, 198, 206, 0.3);
  border-radius: var(--bimtec-radius);
  background: var(--bimtec-surface-low);
  min-height: 80px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.logo-card img {
  max-width: 140px;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.7);
  transition: filter 0.3s;
}
.logo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  border-color: var(--bimtec-tertiary);
}
.logo-card:hover img {
  filter: grayscale(0%) opacity(1);
}
.logo-card.has-report {
  border-color: var(--bimtec-tertiary);
  cursor: pointer;
  text-decoration: none;
}
.logo-card.has-report::after {
  content: 'Case Study ↓';
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--bimtec-tertiary-dim);
  margin-top: 0.5rem;
}
.logo-card.has-report {
  flex-direction: column;
  gap: 0;
}
.logo-card[data-hidden="true"] {
  display: none;
}

/* Mehr-Button */
.show-more-wrap {
  text-align: center;
  margin-top: 1.5rem;
}
.show-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.625rem 1.5rem;
  border-radius: 2rem;
  border: 1px solid var(--bimtec-outline-variant);
  background: transparent;
  color: var(--bimtec-on-surface-variant);
  cursor: pointer;
  transition: all 0.2s;
}
.show-more-btn:hover {
  background: var(--bimtec-primary);
  color: #ffffff;
  border-color: var(--bimtec-primary);
}
.show-more-btn .arrow {
  transition: transform 0.3s;
}
.show-more-btn.expanded .arrow {
  transform: rotate(180deg);
}
.logo-card.more {
  display: none;
}
.logo-grid.expanded .logo-card.more {
  display: flex;
}

/* ===== CASE STUDY ROWS ===== */
.case-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (min-width: 1024px) {
  .case-row {
    grid-template-columns: 1.2fr 1fr;
    gap: 3.5rem;
  }
  .case-row.reversed {
    grid-template-columns: 1fr 1.2fr;
  }
  .case-row.reversed > :first-child {
    order: 2;
  }
  .case-row.reversed > :last-child {
    order: 1;
  }
}

.case-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}
.case-logo {
  flex-shrink: 0;
  width: 110px;
  height: 62px;
  object-fit: contain;
}
.case-header-text .case-industry {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--bimtec-tertiary-dim);
  margin-bottom: 0;
}
.case-row h3 {
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  margin-bottom: 1rem;
  line-height: 1.25;
}
.case-excerpt {
  font-size: 0.9375rem;
  color: var(--bimtec-on-surface-variant);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.case-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.case-tech span {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  background: var(--bimtec-surface-low);
  color: var(--bimtec-on-surface-variant);
  border: 1px solid var(--bimtec-outline-variant);
}

.case-metrics {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.case-metric .metric-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--bimtec-tertiary-dim);
  line-height: 1;
  letter-spacing: -0.02em;
}
.case-metric .metric-label {
  font-size: 0.75rem;
  color: var(--bimtec-on-surface-variant);
  margin-top: 0.25rem;
}

.case-readmore {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bimtec-tertiary-dim);
  text-decoration: none;
  transition: gap 0.2s;
}
.case-readmore:hover {
  gap: 0.625rem;
  color: var(--bimtec-primary);
}

.case-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.case-quote {
  border-left: 3px solid var(--bimtec-tertiary);
  padding: 1.25rem 0 1.25rem 1.5rem;
  background: var(--bimtec-surface-low);
  border-radius: 0 var(--bimtec-radius) var(--bimtec-radius) 0;
}
.case-quote blockquote {
  font-style: italic;
  font-size: 1rem;
  color: var(--bimtec-on-surface-variant);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.case-quote cite {
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--bimtec-on-surface-variant);
  opacity: 0.7;
}

.case-facts {
  background: #ffffff;
  border: 1px solid rgba(198, 198, 206, 0.3);
  border-radius: var(--bimtec-radius);
  padding: 1.25rem;
}
.case-facts h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--bimtec-on-surface-variant);
  margin-bottom: 0.75rem;
  opacity: 0.7;
}
.case-facts ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.case-facts li {
  font-size: 0.8125rem;
  color: var(--bimtec-on-surface-variant);
  padding: 0.25rem 0;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  line-height: 1.5;
}
.case-facts li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--bimtec-tertiary);
  flex-shrink: 0;
  margin-top: 0.45rem;
}

/* Dark section overrides */
.section-dark .case-quote {
  background: rgba(255, 255, 255, 0.06);
}
.section-dark .case-quote blockquote { color: rgba(255, 255, 255, 0.85); }
.section-dark .case-quote cite { color: rgba(255, 255, 255, 0.5); }
.section-dark .case-facts {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}
.section-dark .case-facts h4 { color: rgba(255, 255, 255, 0.5); }
.section-dark .case-facts li { color: rgba(255, 255, 255, 0.7); }
.section-dark .case-header-text .case-industry { color: var(--bimtec-tertiary); }
.section-dark .case-excerpt { color: rgba(255, 255, 255, 0.7); }
.section-dark .case-tech span {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
}
.section-dark .case-metric .metric-value { color: var(--bimtec-tertiary); }
.section-dark .case-metric .metric-label { color: rgba(255, 255, 255, 0.5); }
.section-dark .case-readmore { color: var(--bimtec-tertiary); }
.section-dark .case-readmore:hover { color: #ffffff; }
.section-dark .case-logo {
  background: rgba(255, 255, 255, 0.9);
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
}