/**
 * @file
 * Working groups / Arbeitsgruppen.
 */

.groups-section {
  padding: 4rem 0;
  background: var(--background);
}

.groups-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .groups-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .groups-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.group-card {
  background: var(--card);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.group-card:hover,
.group-card.is-expanded {
  border-color: var(--primary);
}

.group-card__body {
  padding: 1.25rem;
}

.group-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.group-card__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.25;
}

.group-card__toggle {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  transition: transform 0.15s ease;
  line-height: 1.25rem;
  text-align: center;
}

.group-card.is-expanded .group-card__toggle {
  transform: rotate(180deg);
}

.group-card__desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.625;
}

.group-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.75rem;
}

.group-card__tag {
  font-size: 0.75rem;
  background: var(--muted);
  color: var(--muted-foreground);
  padding: 0.125rem 0.5rem;
}

.group-card__details {
  display: none;
  border-top: 1px solid var(--border);
  padding: 1rem 1.25rem;
  background: var(--muted);
  font-size: 0.875rem;
}

.group-card.is-expanded .group-card__details {
  display: block;
}

.group-card__detail-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.group-card__detail-row svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.group-card__detail-row a {
  color: var(--accent);
}

.group-card__detail-row a:hover {
  text-decoration: underline;
}

.group-card__cta {
  display: inline-block;
  margin-top: 0.25rem;
  background: var(--primary);
  color: #fff;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.group-card__cta:hover {
  background: var(--primary-dark);
}