/* ============================================
   Costela e Cia — FAQ (acordeão)
   ============================================ */

.faq {
  position: relative;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: clamp(72px, 12vh, 152px) clamp(20px, 4vw, 64px);
}

.faq-inner {
  max-width: 880px;
  margin: 0 auto;
}

.faq-head {
  margin-bottom: clamp(36px, 5.5vh, 64px);
}

.faq-tag {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: clamp(18px, 2.6vh, 26px);
}

.faq-tag-rule {
  width: clamp(28px, 4vw, 54px);
  height: 2px;
  background: var(--accent);
}

.faq-title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(31px, 4.2vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.faq-title em { font-style: italic; color: var(--accent-2); }

/* ---- lista ---- */
.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: clamp(20px, 2.6vh, 30px) 4px;
  background: none;
  border: none;
  text-align: left;
  color: var(--ink);
}

.q-num {
  font-family: var(--f-display);
  font-style: italic;
  font-size: 15px;
  color: var(--accent);
  flex-shrink: 0;
}

.q-text {
  flex: 1;
  font-family: var(--f-display);
  font-size: clamp(17px, 1.5vw, 22px);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.q-toggle {
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.q-toggle .bar {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: transform 0.35s var(--ease);
}

.q-toggle .bar:last-child {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .q-toggle .bar:last-child {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease);
}

.faq-question[aria-expanded="true"] + .faq-answer {
  grid-template-rows: 1fr;
}

.answer-inner {
  overflow: hidden;
}

.answer-content {
  padding: 0 4px clamp(22px, 3vh, 32px) 42px;
}

.answer-body {
  font-size: clamp(14.5px, 1.05vw, 16px);
  line-height: 1.66;
  color: var(--ink-soft);
}

.answer-body strong { color: var(--ink); font-weight: 600; }
.answer-body em {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--accent-2);
}

/* ---- rodapé ---- */
.faq-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 32px;
  margin-top: clamp(34px, 5vh, 56px);
  padding-top: clamp(28px, 4vh, 40px);
  border-top: 1px solid var(--line);
}

.faq-foot-text {
  font-size: clamp(14.5px, 1.05vw, 16.5px);
  line-height: 1.55;
  color: var(--ink-soft);
}

.faq-foot-text em {
  font-family: var(--f-display);
  font-style: italic;
  color: var(--ink);
}

.faq-foot-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  padding: 14px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  transition: border-color 0.4s var(--ease), color 0.4s var(--ease);
}

.faq-foot-link svg { width: 18px; height: 9px; transition: transform 0.4s var(--ease); }
.faq-foot-link:hover { border-color: var(--accent); }
.faq-foot-link:hover svg { transform: translateX(4px); }

/* ---- reveal ---- */
.faq-head > *,
.faq-item,
.faq-foot {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.faq.is-revealed .faq-head > *,
.faq.is-revealed .faq-item,
.faq.is-revealed .faq-foot {
  opacity: 1;
  transform: translateY(0);
}
.faq.is-revealed .faq-tag { transition-delay: 0.06s; }
.faq.is-revealed .faq-title { transition-delay: 0.14s; }
.faq.is-revealed .faq-item:nth-child(1) { transition-delay: 0.2s; }
.faq.is-revealed .faq-item:nth-child(2) { transition-delay: 0.26s; }
.faq.is-revealed .faq-item:nth-child(3) { transition-delay: 0.32s; }
.faq.is-revealed .faq-item:nth-child(4) { transition-delay: 0.38s; }
.faq.is-revealed .faq-item:nth-child(5) { transition-delay: 0.44s; }
.faq.is-revealed .faq-item:nth-child(6) { transition-delay: 0.5s; }
.faq.is-revealed .faq-foot { transition-delay: 0.56s; }

@media (prefers-reduced-motion: reduce) {
  .faq-head > *,
  .faq-item,
  .faq-foot { opacity: 1; transform: none; transition: none; }
  .faq-answer { transition: none; }
}