/* ─────────────────────────────────────────────────────────────────
   FAQ page — topic index + accordion groups (patterns/faq-*.php)
   ───────────────────────────────────────────────────────────────── */

.c-faq-hero__body a {
  color: var(--color-white);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
}

.c-faq-hero__body a:hover {
  text-decoration-thickness: 2px;
}

.c-faq {
  display: grid;
  gap: var(--space-10);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

@media (min-width: 56rem) {
  .c-faq {
    gap: clamp(var(--space-10), 5vw, var(--space-16));
    grid-template-columns: 16rem minmax(0, 1fr);
  }
}

/* Topic index ─────────────────────────────────────────────────── */

.c-faq__nav-list {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border-muted);
  list-style: none;
}

.c-faq__nav-list li {
  margin: 0;
  border-bottom: 1px solid var(--color-border-muted);
}

.c-faq__nav-link {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: var(--space-2);
  padding-block: var(--space-4);
  color: var(--color-ink);
  font-size: var(--text-small);
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
}

.c-faq__nav-link:hover {
  color: var(--color-link-hover);
}

.c-faq__nav-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.c-faq__nav-num {
  color: var(--color-accent-text);
  font-size: var(--text-label);
  font-weight: 800;
  letter-spacing: var(--tracking-label);
  line-height: 1.85;
}

@media (min-width: 56rem) {
  .c-faq__nav {
    position: sticky;
    top: calc(var(--header-height) + var(--space-8));
  }
}

/* Groups ──────────────────────────────────────────────────────── */

.c-faq__groups {
  display: grid;
  gap: clamp(var(--space-12), 6vw, var(--space-16));
  min-width: 0;
}

.c-faq__group {
  display: grid;
  gap: var(--space-3);
}

.c-faq__heading {
  margin-bottom: var(--space-3);
  font-size: var(--text-h3);
  line-height: 1.2;
  text-align: left;
}

@media (min-width: 56rem) {
  .c-faq__heading { font-size: clamp(1.6rem, 1vw + 1.2rem, 2rem); }
}

.c-faq__list {
  border-top: 1px solid var(--color-border-muted);
}

/* Accordion item ──────────────────────────────────────────────── */

.c-faq__item {
  border-bottom: 1px solid var(--color-border-muted);
}

.c-faq__item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
  padding-block: var(--space-5);
  color: var(--color-ink);
  cursor: pointer;
  font-size: clamp(1rem, .25vw + .95rem, 1.0625rem);
  font-weight: 600;
  line-height: 1.45;
  list-style: none;
  transition: color .15s ease;
}

.c-faq__item > summary::-webkit-details-marker {
  display: none;
}

/* +/– toggle, matching the article table of contents. */
.c-faq__item > summary::after {
  display: inline-grid;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  margin-top: -.1rem;
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-pill);
  color: var(--color-accent-text);
  content: "+";
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  place-items: center;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.c-faq__item[open] > summary::after {
  border-color: var(--color-accent-fill);
  background: var(--color-accent-fill);
  color: var(--color-white);
  content: "\2013";
}

.c-faq__item > summary:hover {
  color: var(--color-link-hover);
}

.c-faq__item > summary:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.c-faq__answer {
  max-width: 44rem;
  padding-right: calc(1.75rem + var(--space-5));
  padding-bottom: var(--space-6);
  color: var(--color-text-secondary);
  font-size: var(--text-body);
  line-height: var(--leading-body);
}

.c-faq__answer a {
  color: var(--color-link);
}

.c-faq__answer a:hover {
  color: var(--color-link-hover);
}

@media (prefers-reduced-motion: reduce) {
  .c-faq__item > summary,
  .c-faq__item > summary::after {
    transition: none;
  }
}