/**
 * faq.css
 * FAQ layout (intro + accordion) and the accordion interaction styles.
 * The open/close animation uses the CSS grid-template-rows 0fr -> 1fr
 * technique, which animates smoothly without JS needing to measure
 * pixel heights.
 */

.faq__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.faq__intro .btn {
  margin-top: var(--space-sm);
}

.faq__accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xs);
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-raised);
  overflow: hidden;
}

.accordion-item__heading {
  margin: 0;
}

.accordion-item__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--color-ink-800);
  min-height: 44px;
}

.accordion-item__trigger:hover {
  color: var(--color-accent-700);
}

.accordion-item__chevron {
  color: var(--color-ink-400);
  flex-shrink: 0;
}

.accordion-item__panel {
  display: grid;
  grid-template-rows: 0fr;
}

.accordion-item__panel.is-open {
  grid-template-rows: 1fr;
}

.accordion-item__panel-inner {
  overflow: hidden;
  min-height: 0;
}

.accordion-item__panel-inner p {
  padding: 0 var(--space-md) var(--space-md);
  color: var(--color-ink-500);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
}

@media (min-width: 960px) {
  .faq__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .faq__intro {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
  }
}