/* ============================================================
   FAQ.CSS
   ============================================================ */

.faq {
  background-color: transparent;
}

.faq__header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.faq__title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.faq__subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 720px;
  margin: 0 auto;
}

/* ----------------------------------------------------------
   Item
---------------------------------------------------------- */
.faq__item {
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.faq__item.is-open {
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.12),
              0 4px 24px rgba(0, 0, 0, 0.3);
}

/* ----------------------------------------------------------
   Pregunta (botón)
---------------------------------------------------------- */
.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--duration-normal) var(--ease-smooth);
}

.faq__question:hover {
  background-color: var(--glass-bg);
}

.faq__item.is-open .faq__question {
  background-color: rgba(59, 130, 246, 0.06);
}

.faq__question-text {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.faq__item.is-open .faq__question-text {
  color: var(--color-primary-light);
}

.faq__question-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: var(--border-width) solid var(--glass-border);
  font-size: 1rem;
  color: var(--color-text-secondary);
  transition: transform var(--duration-normal) var(--ease-smooth),
              background-color var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth),
              color var(--duration-normal) var(--ease-smooth);
}

.faq__item.is-open .faq__question-icon {
  transform: rotate(45deg);
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ----------------------------------------------------------
   Respuesta — altura animada con JS
---------------------------------------------------------- */
.faq__answer-wrapper {
  height: 0;
  overflow: hidden;
  transition: height 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq__answer-inner {
  padding: var(--spacing-md) var(--spacing-xl) var(--spacing-xl);
  border-top: var(--border-width) solid var(--glass-border);
}

.faq__answer {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ----------------------------------------------------------
   Responsive
---------------------------------------------------------- */
@media (min-width: 768px) {
  .faq__title {
    font-size: var(--font-size-4xl);
  }

  .faq__question-text {
    font-size: var(--font-size-lg);
  }
}