/* ============================================================
   SEÇÃO 10 — FAQ
   Accordion vertical: clique abre/fecha cada pergunta.
   ============================================================ */

.faq {
  background-color: var(--color-white);
  padding-block: clamp(4rem, 2.5rem + 4vw, 6.5rem);
  position: relative;
  overflow: hidden;
}

/* Decoração de fundo sutil */
.faq::before {
  content: '';
  position: absolute;
  top: 30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 113, 188, 0.05), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.faq > .container {
  position: relative;
  z-index: 1;
}

/* ----- Header da seção ----- */
.faq__header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
}

.faq__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-blue-tint);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-5);
}

.faq__title {
  font-size: var(--fs-4xl);
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
  text-wrap: balance;
}

.faq__title .accent {
  color: var(--color-blue);
}

.faq__subtitle {
  font-size: var(--fs-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
  max-width: 580px;
  margin-inline: auto;
}

/* ----- Lista de perguntas ----- */
.faq__list {
  max-width: 760px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: clamp(2.5rem, 1.5rem + 2vw, 3.5rem);
}

/* ----- Item do accordion ----- */
.faq__item {
  background: var(--color-bg-lighter);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base),
              background-color var(--transition-base);
}

.faq__item:hover {
  border-color: rgba(0, 113, 188, 0.3);
}

.faq__item[open] {
  background: var(--color-white);
  border-color: rgba(0, 113, 188, 0.4);
  box-shadow: var(--shadow-md);
}

/* Summary (pergunta clicável) */
.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: clamp(1.1rem, 0.9rem + 0.6vw, 1.4rem) clamp(1.25rem, 1rem + 1vw, 1.75rem);
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-base);
  user-select: none;
}

/* Remove marker padrão do <summary> */
.faq__question::-webkit-details-marker { display: none; }
.faq__question::marker { display: none; }

.faq__question:hover {
  color: var(--color-blue);
}

.faq__item[open] .faq__question {
  color: var(--color-blue);
}

/* Ícone + / − à direita */
.faq__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  border: 1px solid var(--color-border-strong);
  display: grid;
  place-items: center;
  position: relative;
  transition: background-color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-base);
}

.faq__item[open] .faq__icon {
  background: var(--color-blue);
  border-color: var(--color-blue);
  transform: rotate(45deg);
}

.faq__icon::before,
.faq__icon::after {
  content: '';
  position: absolute;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition: background-color var(--transition-base);
}

.faq__icon::before {
  /* horizontal */
  width: 14px;
  height: 2px;
}

.faq__icon::after {
  /* vertical */
  width: 2px;
  height: 14px;
}

.faq__item[open] .faq__icon::before,
.faq__item[open] .faq__icon::after {
  background: var(--color-white);
}

/* Resposta (conteúdo expandido) */
.faq__answer {
  padding: 0 clamp(1.25rem, 1rem + 1vw, 1.75rem) clamp(1.1rem, 0.9rem + 0.6vw, 1.4rem);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--color-text-secondary);
}

.faq__answer strong {
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
}

.faq__answer .accent {
  color: var(--color-blue);
  font-weight: var(--fw-semibold);
}

/* Animação de abertura — efeito de fade-down do conteúdo */
.faq__item[open] .faq__answer {
  animation: faq-fade-down 300ms var(--ease-out);
}

@keyframes faq-fade-down {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- CTA final do FAQ ----- */
.faq__cta {
  text-align: center;
}

.faq__cta-text {
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.faq__cta-text strong {
  color: var(--color-text-primary);
  font-weight: var(--fw-semibold);
}

@media (max-width: 600px) {
  .faq__question {
    font-size: var(--fs-sm);
  }
}