.faq-body .nav {
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid #edf2f1;
}

.faq-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid #edf2f1;
}

.faq-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin: 12px 0 16px;
}

.faq-hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 72px;
  padding: 56px 0 120px;
}

.faq-sidebar nav {
  position: sticky;
  top: 96px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.faq-sidebar h2 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-light);
  margin: 28px 0 10px;
}

.faq-sidebar h2:first-child { margin-top: 0; }

.faq-sidebar ul {
  list-style: none;
  border-left: 1px solid #e8efee;
}

.faq-sidebar a {
  display: block;
  margin-left: -1px;
  padding: 6px 0 6px 16px;
  border-left: 2px solid transparent;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-secondary);
  transition: color var(--transition), border-color var(--transition);
}

.faq-sidebar a:hover { color: var(--text); }

.faq-sidebar a.active {
  color: var(--primary-dark);
  border-left-color: var(--primary);
  font-weight: 600;
}

.faq-content { max-width: 680px; }

.faq-group + .faq-group { margin-top: 72px; }

.faq-group > h2 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.faq-item {
  padding: 32px 0;
  border-bottom: 1px solid #edf2f1;
  scroll-margin-top: 80px;
}

.faq-item:last-child { border-bottom: none; }

.faq-item h3 {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 16px;
}

.faq-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 24px 0 8px;
}

.faq-item p,
.faq-item li {
  font-size: 1.04rem;
  line-height: 1.7;
  color: #3a3a3c;
}

.faq-item p + p { margin-top: 14px; }

.faq-item ul,
.faq-item ol {
  margin: 12px 0 16px;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item li::marker {
  color: var(--primary-dark);
  font-weight: 700;
}

.faq-item strong { color: var(--text); font-weight: 600; }

.faq-item a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-decoration-color: rgba(49, 159, 153, 0.35);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
}

.faq-item a:hover { text-decoration-color: var(--primary-dark); }

.faq-contact {
  margin-top: 72px;
  padding: 36px 40px;
  background: var(--surface);
  border-radius: var(--radius);
}

.faq-contact h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.faq-contact p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-contact a {
  color: var(--primary-dark);
  font-weight: 600;
}

@media (max-width: 860px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-top: 40px;
  }

  .faq-sidebar nav {
    position: static;
    max-height: none;
    padding: 24px;
    background: var(--surface);
    border-radius: var(--radius-sm);
  }
}

@media (max-width: 640px) {
  .faq-hero { padding: 48px 0 40px; }
  .faq-item h3 { font-size: 1.3rem; }
  .faq-group + .faq-group { margin-top: 48px; }
  .faq-contact { padding: 28px 24px; }
}

.back-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-dark);
  transition: opacity var(--transition);
}

.back-link:hover { opacity: 0.7; }