.expert-groups-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

fieldset {
  border: 2px solid rgba(227, 242, 253, 0.3);
  border-radius: 8px;
}

fieldset legend {
  margin: 0 auto;
  padding: 0 0.5em;
  color: #e3f2fd;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.expert-group-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.expert-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(1px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  padding: 8px;
}

.expert-card h5 {
  margin-top: 0.65em;
  margin-bottom: 0.5em;
  text-align: center;
  color: #e3f2fd;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.clickable {
  cursor: pointer;
}

.photo {
  max-width: 80%;
  margin: 8px auto 0 auto;
  /* border: 2px solid rgba(255, 255, 255, 0.2); */
  border-radius: 8px;
  opacity: 0.7;
}

.tag-container {
  display: block;
  text-align: justify;
  line-height: 1.6;
}

.tag {
  display: inline;
  padding: 0.3em 0.8em;
  font-size: 0.75rem;
  border-radius: 0.4em;
  letter-spacing: 0.02em;
}

.tag-level-1.tag-phys {
  background-color: rgba(0, 123, 255, 0.25);
  color: #e0f2fe;
  border: 1px solid rgba(0, 123, 255, 0.4);
}

.tag-level-1.tag-chem {
  background-color: rgba(189, 119, 255, 0.25);
  color: #e8d5ff;
  border: 1px solid rgba(189, 119, 255, 0.4);
}

.tag-level-1.tag-bio {
  background-color: rgba(52, 235, 157, 0.25);
  color: #d1fae5;
  border: 1px solid rgba(52, 235, 157, 0.4);
}

.tag-level-1.tag-med {
  background-color: rgba(255, 107, 107, 0.25);
  color: #ffe4e6;
  border: 1px solid rgba(255, 107, 107, 0.4);
}

.tag-level-2 {
  background-color: rgba(255, 255, 255, 0.15);
  color: rgba(227, 242, 253, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tag-level-3 {
  background-color: rgba(255, 255, 255, 0.07);
  color: rgba(245, 245, 245, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.tag-level-1, .tag-level-2, .tag-level-3 {
  letter-spacing: 0.08em;
}

.hidden-name {
  font-style: italic;
  color: gray;
}

@media (min-width: 768px) {
  .expert-group-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .photo {
    max-width: 100%;
    margin: 8px 8px 0 8px;
  }
}