/* ============================================
   Zenify FAQ Page
   ============================================ */

/* Hero */
.faq-hero {
  padding: 140px 0 48px;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.faq-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--color-primary);
  margin-bottom: 12px;
}

.faq-hero__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 540px;
  margin: 0 auto;
}

/* Category Navigation */
.faq-nav-wrap {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(250, 251, 252, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.faq-nav {
  display: flex;
  gap: 4px;
  padding: 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.faq-nav::-webkit-scrollbar { display: none; }

.faq-nav__link {
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.faq-nav__link:hover {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.faq-nav__link.active {
  color: var(--color-primary);
  background: var(--color-white);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

/* Content */
.faq-content {
  padding: 48px 0 80px;
}

/* Sections */
.faq-section {
  margin-bottom: 56px;
  scroll-margin-top: 160px;
}

.faq-section__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-primary);
}

.faq-section__intro {
  width: 100%;
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

.faq-section__intro a {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-section__intro a:hover {
  color: var(--color-accent-hover);
}

.faq-section__icon {
  font-size: 1.6rem;
}

.faq-section__header h2 {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin: 0;
}

/* FAQ Items */
.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background: var(--color-white);
  overflow: hidden;
  transition: all var(--transition);
}

.faq__item:hover {
  border-color: var(--color-primary-light);
}

.faq__item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--color-accent);
}

.faq__item summary {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--color-primary);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq__item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--color-text-light);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__answer {
  padding: 0 24px 20px;
}

.faq__answer p {
  color: var(--color-text);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 12px;
}

.faq__answer p:last-child {
  margin-bottom: 0;
}

.faq__answer ul {
  margin: 8px 0 16px 20px;
  color: var(--color-text);
  font-size: 0.92rem;
  line-height: 1.75;
}

.faq__answer li {
  margin-bottom: 6px;
}

.faq__answer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq__answer a:hover {
  color: var(--color-accent-hover);
}

.faq__answer strong {
  color: var(--color-primary);
}

/* CTA */
.faq-cta {
  text-align: center;
  padding: 48px 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  margin-top: 64px;
}

.faq-cta h2 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.faq-cta p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.faq-cta a.btn {
  display: inline-flex;
}

/* Responsive */
@media (max-width: 768px) {
  .faq-hero { padding: 120px 0 36px; }
  
  .faq-nav-wrap { top: 72px; }
  .faq-nav { gap: 2px; }
  .faq-nav__link { padding: 6px 12px; font-size: 0.8rem; }

  .faq__item summary { padding: 16px 18px; font-size: 0.9rem; }
  .faq__answer { padding: 0 18px 16px; }

  .faq-section { scroll-margin-top: 140px; }
}