/*
 * faq.css
 * Independent clean-room implementation from a written spec.
 * Accordion FAQ section: a two-column question/answer list, plus an
 * embedded variant, a sticky split-column layout, and a static three-up
 * card grid that share the same component family.
 */

.ocf-faq {
  background: var(--ocf-bg-alt);
}

.ocf-faq--embedded {
  background: transparent;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.ocf-faq-header {
  max-width: 760px;
}

.ocf-faq-columns,
.ocf-faq__grid {
  gap: var(--grid-gap);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 2rem;
}

.ocf-faq-column,
.ocf-faq-list,
.ocf-faq__list {
  align-content: start;
  display: grid;
  gap: 0;
}

.ocf-faq-split-layout {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  align-items: start;
  display: grid;
  gap: clamp(2rem, 6vw, 4.5rem);
}

.ocf-faq-split-layout .ocf-faq-header {
  position: sticky;
  top: calc(var(--header-height, 80px) + 1.5rem);
}

.ocf-faq__item,
.ocf-faq-item {
  border-radius: 0;
  background: transparent;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--ocf-border) 82%, var(--ocf-heading) 18%);
  overflow: visible;
}

.ocf-faq-column .ocf-faq-item:first-child,
.ocf-faq-list .ocf-faq-item:first-child,
.ocf-faq__list .ocf-faq__item:first-child {
  border-top: 1px solid color-mix(in srgb, var(--ocf-border) 82%, var(--ocf-heading) 18%);
}

.ocf-faq__question,
.ocf-faq-question,
.ocf-faq-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
  border: 0;
  background: transparent;
  color: var(--ocf-heading);
  padding: 1rem 0;
  text-align: left;
  font-weight: var(--font-weight-bold);
  line-height: 1.25;
}

.ocf-faq-trigger:hover {
  color: var(--ocf-primary);
  background: transparent;
}

.ocf-faq-icon {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--ocf-label);
}

.ocf-faq-trigger[aria-expanded="true"] .ocf-faq-icon path:first-child,
.ocf-faq-item.is-open .ocf-faq-icon path:first-child {
  opacity: 0;
}

.ocf-faq__answer,
.ocf-faq-answer {
  padding: 0 0 1rem;
  display: none;
  color: var(--ocf-body);
}

.ocf-faq-item.is-open .ocf-faq-answer,
.ocf-faq__item.is-open .ocf-faq__answer {
  display: block;
}

.ocf-faq-answer p {
  margin: 0;
}

.ocf-faq-static-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  display: grid;
  gap: var(--grid-gap);
  margin-top: 2rem;
}

.ocf-faq-static-card {
  border-top: 1px solid var(--ocf-border-light);
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: clamp(1rem, 2vw, 1.35rem) 0;
}

.ocf-faq-static-card h3 {
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--ocf-heading);
  font-size: var(--font-h3-size);
  line-height: 1.25;
}

.ocf-faq-static-card p {
  color: var(--ocf-body);
  margin: 0.75rem 0 0;
}

.ocf-faq--embedded .ocf-faq-columns,
.ocf-faq--embedded .ocf-faq-static-grid {
  grid-template-columns: 1fr;
}

@media (max-width: 860px) {
  .ocf-faq-columns,
  .ocf-faq-split-layout,
  .ocf-faq-static-grid,
  .ocf-faq__grid {
    grid-template-columns: 1fr;
  }

  .ocf-faq-split-layout .ocf-faq-header {
    position: static;
  }
}