/* ═══════════════════════════════════════════════════════════════════
   ARRECIFE SISAL v2.0 — Componente: FAQ ACCORDION
   Sand bg · Athelas headline · Native details/summary
   ═══════════════════════════════════════════════════════════════════ */

#faq {
  background: var(--sand);
  padding-block: var(--section-py-lg);
}

/* ── Header ── */
.faq__header {
  text-align: center;
  max-width: 56ch;
  margin-inline: auto;
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.faq__eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: var(--w-semi);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--arena-deep);
  opacity: 0.75;
  display: block;
  margin-bottom: var(--sp-8);
}

.faq__eyebrow::before {
  content: '';
  display: block;
  width: 36px; height: 1px;
  background: var(--arena);
  opacity: 0.5;
  margin: 0 auto var(--sp-5);
}

.faq__headline {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: var(--w-bold);
  color: var(--navy-ink);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.faq__headline em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: var(--w-normal);
  color: var(--atardecer);
  font-size: 1.05em;
  letter-spacing: 0.01em;
}

/* ── FAQ list ── */
.faq__list {
  max-width: 74ch;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Individual item ── */
.faq__item {
  border-bottom: 1px solid rgba(13,27,42,.1);
}
.faq__item:first-child { border-top: 1px solid rgba(13,27,42,.1); }

.faq__item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--sp-7) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  font-weight: var(--w-semi);
  color: var(--navy-ink);
  user-select: none;
  transition: color var(--t-fast);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { color: var(--arena-deep); }

/* Chevron icon */
.faq__item summary::after {
  content: '';
  flex-shrink: 0;
  width: 18px; height: 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d2e45' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transition: transform var(--t-normal), opacity var(--t-fast);
  opacity: 0.45;
}
.faq__item[open] summary::after {
  transform: rotate(180deg);
  opacity: 0.85;
}
.faq__item[open] summary { color: var(--arena-deep); }

/* Answer content */
.faq__a {
  padding-bottom: var(--sp-7);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-gray);
  line-height: var(--leading-loose);
}

.faq__a a {
  color: var(--navy-ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--t-fast);
}
.faq__a a:hover { color: var(--arena-deep); }

.faq__a strong { color: var(--navy-ink); font-weight: var(--w-semi); }

/* Open animation */
.faq__item[open] .faq__a {
  animation: faqReveal 0.22s ease;
}
@keyframes faqReveal {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .faq__headline { font-size: clamp(2.2rem, 8vw, 3rem); }
  .faq__item summary { font-size: var(--text-base); padding: var(--sp-6) 0; }
}