.video-accordion-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.video-accordion .accordion-button {
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 14px 20px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 12px;
  background: #f5f9ff;
  margin-top: 12px;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s, transform 0.2s;
}

.video-accordion .accordion-button:hover {
  background: #e6f1ff;
  transform: translateY(-2px);
}

.video-accordion .accordion-button.active {
  background: #dceeff;
}

.accordion-icon {
  font-weight: bold;
  transition: transform 0.3s;
}

.accordion-button.active .accordion-icon {
  transform: rotate(90deg);
}

.video-accordion .accordion-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  background: #fdfdfd;
  border-left: 4px solid #4a90e2;
  border-radius: 0 0 12px 12px;
  margin-bottom: 12px;
  transition: max-height 0.5s ease, padding 0.5s ease;
}

.video-accordion .accordion-content.open {
  padding: 15px 20px;
  max-height: 1000px;
}