/* FAQ — Telegram-style: sticky TOC + long-form Q&A */

.faq-page {
  background: #ffffff;
  min-height: 60vh;
}

.faq-page__wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
}

.faq-toc {
  flex: 0 0 220px;
  position: sticky;
  top: 5.25rem;
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  padding-right: 0.5rem;
  scrollbar-width: thin;
}

.faq-toc__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #94a3b8;
  margin: 0 0 0.75rem;
}

.faq-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid #e2e8f0;
}

.faq-toc a {
  display: block;
  padding: 0.35rem 0 0.35rem 0.85rem;
  margin-left: -2px;
  border-left: 2px solid transparent;
  font-size: 0.875rem;
  line-height: 1.35;
  color: #475569;
  text-decoration: none;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.faq-toc a:hover {
  color: #26bbfc;
  text-decoration: none;
}

.faq-toc a.is-active {
  color: #26bbfc;
  border-left-color: #26bbfc;
  font-weight: 600;
}

.faq-body {
  flex: 1;
  min-width: 0;
  max-width: 46rem;
}

.faq-body > h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0f172a;
}

.faq-lead {
  margin: 0 0 2rem;
  font-size: 0.98rem;
  line-height: 1.65;
  color: #64748b;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.faq-section {
  margin-bottom: 2.75rem;
  scroll-margin-top: 5.5rem;
}

.faq-section > h2 {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.faq-item {
  margin-bottom: 1.75rem;
  scroll-margin-top: 5.5rem;
}

.faq-item__q {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: #0f172a;
}

.faq-item__q::before {
  content: "Q: ";
  color: #26bbfc;
  font-weight: 800;
}

.faq-item__a {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: #475569;
}

.faq-item__a p {
  margin: 0 0 0.75rem;
}

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

.faq-item__a ul {
  margin: 0.5rem 0 0.75rem;
  padding-left: 1.25rem;
}

.faq-item__a li {
  margin-bottom: 0.35rem;
}

.faq-item__a a {
  color: #26bbfc;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.faq-item__a a:hover {
  color: #1fa3d9;
}

.faq-back {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748b;
  text-decoration: none;
}

.faq-back:hover {
  color: #26bbfc;
  text-decoration: none;
}

@media (max-width: 880px) {
  .faq-page__wrap {
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 0.75rem;
  }

  .faq-toc {
    position: static;
    max-height: none;
    flex: none;
    width: 100%;
    padding: 0.75rem 0 1rem;
    border-bottom: 1px solid #e2e8f0;
  }

  .faq-toc ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.5rem;
    border-left: none;
    padding-bottom: 0;
  }

  .faq-toc li {
    margin: 0;
  }

  .faq-toc a {
    padding: 0.4rem 0.65rem;
    margin-left: 0;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    border-left-width: 1px;
  }

  .faq-toc a:hover {
    border-color: #26bbfc;
    background: #fff;
  }

  .faq-toc a.is-active {
    border-color: #26bbfc;
    background: rgba(38, 187, 252, 0.08);
  }
}

@media (min-width: 881px) {
  html[dir="rtl"] .faq-page__wrap {
    flex-direction: row-reverse;
  }

  html[dir="rtl"] .faq-toc {
    padding-right: 0;
    padding-left: 0.5rem;
  }

  html[dir="rtl"] .faq-toc ul {
    border-left: none;
    border-right: 2px solid #e2e8f0;
  }

  html[dir="rtl"] .faq-toc a {
    padding: 0.35rem 0.85rem 0.35rem 0;
    margin-left: 0;
    margin-right: -2px;
    border-left: none;
    border-right: 2px solid transparent;
  }

  html[dir="rtl"] .faq-toc a:hover,
  html[dir="rtl"] .faq-toc a.is-active {
    border-left-color: transparent;
    border-right-color: #26bbfc;
  }
}