/* faq.css — FAQ page accordions, built on the base.css design system. */

.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-category + .faq-category {
  margin-top: 3rem;
}

.faq-category-title {
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* Each FAQ is a native <details> element — no JS required. */
.faq-item {
  background-color: var(--surface-container-low);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--primary-light);
}

/* Curtain reveal: animate the open/close of the native <details>.
   interpolate-size lets the browser transition to/from the intrinsic
   (auto) height. Browsers without support simply snap open as before. */
:root {
  interpolate-size: allow-keywords;
}

.faq-item::details-content {
  block-size: 0;
  overflow: hidden;
  transition: block-size 0.35s ease, content-visibility 0.35s ease allow-discrete;
}

.faq-item[open]::details-content {
  block-size: auto;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--neutral-900);
}

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

.faq-item summary:hover {
  color: var(--primary-light);
}

.faq-icon {
  flex-shrink: 0;
  color: var(--primary-light);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--neutral-600);
  line-height: 1.7;
}

.faq-answer p {
  margin: 0;
}