/* ============================================================
   components/accordion.css — .dd-accordion
   Built on native <details>/<summary>: keyboard-operable and usable
   without JS. Used by the FAQ (P11). Chevron rotates to a dot on open.
   ============================================================ */

.dd-accordion {
  border-top: 1px solid var(--border);
}

.dd-accordion__item {
  border-bottom: 1px solid var(--border);
}

.dd-accordion__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-2);
  font-size: var(--fs-lead);
  font-weight: 600;
  color: var(--text);
}
.dd-accordion__summary::-webkit-details-marker { display: none; }

.dd-accordion__summary:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.dd-accordion__summary:hover { color: var(--link); }

.dd-accordion__icon {
  color: var(--accent);
  transition: transform var(--dur-base) var(--ease-dreamy);
}
.dd-accordion__item[open] .dd-accordion__icon {
  transform: rotate(180deg);
}

.dd-accordion__body {
  padding: 0 var(--space-2) var(--space-5);
  color: var(--text-muted);
  max-width: 68ch;
}

/* Soft reveal of the body when supported (no layout jank if not). */
@supports (interpolate-size: allow-keywords) {
  .dd-accordion__item::details-content {
    overflow: hidden;
    transition: height var(--dur-base) var(--ease-dreamy),
                content-visibility var(--dur-base) allow-discrete;
    height: 0;
  }
  .dd-accordion__item[open]::details-content {
    height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dd-accordion__icon { transition: none; }
  @supports (interpolate-size: allow-keywords) {
    .dd-accordion__item::details-content { transition: none; }
  }
}