/* --- Engagement examples (details/summary) --- */
.engagement details{
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 14px 16px;
  margin: 0 0 18px 0;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
}

.engagement summary{
  cursor: pointer;
  color: var(--teal);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.4;
  list-style: none;
  outline: none;

  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.engagement summary::-webkit-details-marker{
  display: none;
}

.engagement summary::before{
  content: "›";
  color: var(--muted);
  font-size: 28px;
  line-height: 1;
  transform: translateY(-2px) rotate(0deg);
  transition: transform .18s ease;
  flex: 0 0 auto;
}

.engagement details[open] summary::before{
  transform: translateY(-2px) rotate(90deg);
}

/* When OPEN: short title is greyed out */
.engagement details[open] summary{
  color: var(--muted);
  opacity: .65;
  margin-bottom: 12px;
}

/* Long title: hidden by default, becomes the headline when open */
.engagement-full-title{
  display: none;
  color: var(--teal);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.4;
  margin: 0 0 12px 0;
}

.engagement details[open] .engagement-full-title{
  display: block;
}

.engagement ul{
  padding-left: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}

.engagement li{ margin-bottom: 12px; }
.engagement li:last-child{ margin-bottom: 0; }