/* lib/styles/sections/faq_section.css */

.faq-section {
  padding: var(--spacing-12, 3rem) var(--spacing-4, 1rem);
  background-color: var(--color-white, #ffffff);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.faq-section__container {
  width: 100%;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.faq-section__header {
  text-align: center;
  width: 100%;
  margin-bottom: var(--spacing-10, 2.5rem);
}

.faq-section__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-3xl, 1.875rem);
  font-weight: 700;
  color: var(--color-trust-navy, #0a192f);
  margin: 0 0 var(--spacing-4, 1rem) 0;
}

.faq-section__subtitle {
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-lg, 1.125rem);
  color: var(--color-slate-blue, #475569);
  line-height: 1.6;
  margin: 0;
}

.faq-section__content {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8, 2rem);
}

.faq-section__group-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-xl, 1.25rem);
  font-weight: 600;
  color: var(--color-trust-navy, #0a192f);
  margin: 0 0 var(--spacing-4, 1rem) 0;
  padding-bottom: var(--spacing-2, 0.5rem);
  border-bottom: 2px solid var(--color-background-muted, #f8fafc);
}

.faq-section__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3, 0.75rem);
}

/* Accordion Item Styles */
.faq-item {
  background-color: var(--color-background-muted, #f8fafc);
  border: 1px solid var(--color-border, #e2e8f0);
  border-radius: var(--radius-md, 6px);
  overflow: hidden;
  transition: 
    box-shadow var(--motion-duration-fast, 0.2s) var(--motion-ease-out, ease-out),
    border-color var(--motion-duration-fast, 0.2s) var(--motion-ease-out, ease-out);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm, 0 1px 2px 0 rgba(0, 0, 0, 0.05));
  border-color: var(--color-slate-blue, #2a4b7c);
}

.faq-item__summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-4, 1rem) var(--spacing-5, 1.25rem);
  cursor: pointer;
  list-style: none; /* Removes default triangle in some browsers */
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--text-base, 1rem);
  font-weight: 600;
  color: var(--color-trust-navy, #0a192f);
  user-select: none;
}

/* Hide default marker for webkit/blink */
.faq-item__summary::-webkit-details-marker {
  display: none;
}

.faq-item__icon {
  color: var(--color-action-blue, #0056b3);
  font-size: 0.875rem;
  transition: transform var(--motion-duration-fast, 0.2s) var(--motion-ease-out, ease-out);
}

/* Rotate icon when details is open */
.faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__content {
  padding: 0 var(--spacing-5, 1.25rem) var(--spacing-4, 1rem) var(--spacing-5, 1.25rem);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--text-base, 1rem);
  color: var(--color-slate-blue, #475569);
  line-height: 1.6;
  border-top: 1px solid transparent;
}

/* Animate content entry natively when [open] is applied */
.faq-item[open] .faq-item__content {
  border-top-color: var(--color-border, #e2e8f0);
  margin-top: var(--spacing-2, 0.5rem);
  padding-top: var(--spacing-4, 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  .faq-item[open] .faq-item__content {
    animation: faqFadeSlide var(--motion-duration-medium, 300ms) var(--motion-ease-out, ease-out) forwards;
  }
}

@keyframes faqFadeSlide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================================
   Choreographed Load Sequence (ScrollReveal Integration)
   ========================================================================= */

@media (prefers-reduced-motion: no-preference) {
  .faq-section__header,
  .faq-section__group-title,
  .faq-item {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out),
                transform var(--motion-duration-medium, 400ms) var(--motion-ease-out, ease-out);
  }

  .is-visible .faq-section__header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
  }

  .is-visible .faq-section__group-title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
  }

  /* Stagger the FAQ items */
  .is-visible .faq-item {
    opacity: 1;
    transform: translateY(0);
  }

  .is-visible .faq-section__list > :nth-child(1) { transition-delay: 0.25s; }
  .is-visible .faq-section__list > :nth-child(2) { transition-delay: 0.35s; }
  .is-visible .faq-section__list > :nth-child(3) { transition-delay: 0.45s; }
  .is-visible .faq-section__list > :nth-child(4) { transition-delay: 0.55s; }
  .is-visible .faq-section__list > :nth-child(5) { transition-delay: 0.65s; }
  .is-visible .faq-section__list > :nth-child(n+6) { transition-delay: 0.75s; }
}