.sdh-section {
  margin: 1.2em 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

/* Toggle heading */
.sdh-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 700;
  color: #0077C8;
  font-size: 1.05em;
  transition: color 0.2s ease;
}
.sdh-toggle:hover {
  color: #005b99;
}

/* Caret rotation */
.sdh-caret {
  display: inline-block;
  transition: transform 0.3s ease;
}
.sdh-caret.open {
  transform: rotate(90deg);
}

/* Collapsible content */
.sdh-image {
  display: none;
  margin-top: 10px;
  background: #f9f9f9;
  border-left: 4px solid #0077C8;
  padding: 12px 16px;
  border-radius: 6px;
}
.sdh-image.open {
  display: block;
}

/* Paragraph and image styling */
.sdh-image p {
  margin: 0 0 10px 0;
  font-size: 0.95em;
  line-height: 1.5;
  color: #333;
}
.sdh-image img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}