/* ============================================
   FAQ — Acordeón nativo <details> (light · cero JS)
   ============================================ */

.faq {
  padding-block: var(--space-section);
  background: var(--color-page);
}

.faq__head {
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: var(--space-2xl);
  text-align: center;
}
.faq__title {
  font-size: var(--fs-display-l);
  margin-top: var(--space-2xs);
  margin-bottom: var(--space-s);
  text-wrap: balance;
}
.faq__lead { color: var(--color-text-soft); }
.faq__lead a {
  color: var(--color-cyan-600);
  font-weight: var(--fw-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}

.faq__item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.faq__item[open] {
  border-color: rgba(0, 212, 255, 0.35);
  box-shadow: 0 10px 28px rgba(13, 38, 71, 0.08);
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-m);
  padding: var(--space-l) clamp(1rem, 2.5vw, 1.5rem);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--fs-display-s);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { color: var(--color-cyan-600); }

.faq__icon {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  flex-shrink: 0;
  color: var(--color-cyan-600);
  background: var(--color-surface);
  border-radius: var(--radius-pill);
  transition: transform var(--dur-mid) var(--ease-out), background-color var(--dur-fast);
}
.faq__item[open] .faq__icon {
  transform: rotate(135deg);
  background: rgba(0, 212, 255, 0.14);
}

.faq__a {
  padding: 0 clamp(1rem, 2.5vw, 1.5rem) var(--space-l);
}
.faq__a p {
  color: var(--color-text-soft);
  font-size: var(--fs-body-l);
  line-height: var(--lh-relaxed);
  max-width: 64ch;
}

@media (prefers-reduced-motion: reduce) {
  .faq__icon, .faq__item { transition: none; }
}