/* --- Page Header Styling --- */
.page-header {
  margin-top: 70px; /* push below fixed navbar */
  text-align: center;
  padding: 3rem 1rem;
}
.page-header h1 {
  margin-bottom: 0.5rem;
  font-size: 2.2rem;
}
.page-header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* --- Container --- */
.container {
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* --- Accordion Styling --- */
.accordion details {
  background: #fff;
  border-radius: 8px;
  margin-bottom: 1rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 1rem 1.5rem;
  transition: all 0.3s ease;
}
.accordion details[open] {
  border-left: 4px solid #15486c;
  background: #edf3f7;
}

/* Summary with title + optional preview */
.accordion summary {
  cursor: pointer;
  outline: none;
  list-style: none;
  position: relative;
  padding-left: 1.5rem; /* space for arrow */
}

/* Remove default marker but keep space for second line preview */
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::marker { display: none; }

/* Custom arrow */
.accordion summary::before {
  content: "▶";
  position: absolute;
  left: 0;
  top: 0.2rem;
  font-size: 0.9rem;
  color: #15486c;
  transition: transform 0.3s ease;
}
.accordion details[open] summary::before {
  transform: rotate(90deg);
}

/* Accordion title and preview */
.accordion .sum-title {
  display: block;
  font-weight: 600;
  font-size: 1.1rem;
  color: #15486c;
  line-height: 1.3;
}
.accordion .sum-preview {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.95rem;
  font-weight: 400;
  color: #555;
  line-height: 1.5;
}

/* Preview text altijd zichtbaar */
.accordion .preview {
  font-size: 0.9rem;
  color: #555;
  font-weight: normal;
  margin: 0.3rem 0 0.5rem 0;
}

/* Extra content alleen tonen als open */
.accordion details .more { display: none; }
.accordion details[open] .more { display: block; }

/* Body content spacing */
.accordion p, .accordion ul {
  margin-top: 0.75rem;
}
.accordion ul {
  padding-left: 1.2rem;
  list-style: disc;
}