.page-faq {
  --faq-sidebar-width: 280px;
  background-color: var(--color-cream);
  color: var(--color-graphite);
  position: relative;
  isolation: isolate;
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 18px, rgba(107, 107, 107, 0.035) 18px 19px),
    repeating-linear-gradient(-45deg, transparent 0 26px, rgba(193, 122, 90, 0.035) 26px 27px);
}

.page-faq .page-header {
  background: linear-gradient(120deg, var(--color-graphite) 0%, #000 55%, var(--color-charcoal) 100%);
  color: var(--color-cream);
  padding: 2rem 0 2.6rem;
  position: relative;
}

.page-faq .page-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-flame) 0%, var(--color-flame) 42%, var(--color-gold) 72%, transparent 100%);
}

.page-faq .page-header .speedline {
  position: absolute;
  right: 0;
  bottom: 3px;
  width: 220px;
  height: 2px;
  opacity: 0.8;
  background: linear-gradient(90deg, transparent, var(--color-gold), rgba(212, 175, 55, 0));
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.3rem;
  font-size: var(--fs-small);
}

.page-faq .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-gold);
}

.page-faq .breadcrumb .breadcrumb-sep {
  color: var(--color-rock);
}

.page-faq .breadcrumb .breadcrumb-current {
  color: var(--color-cream);
}

.page-faq .page-header-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.25rem;
}

.page-faq .page-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0.03em;
  margin: 0 0 0.5rem;
  color: var(--color-cream);
}

.page-faq .page-title-mark {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.36em;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-gold);
}

.page-faq .page-subtitle {
  max-width: 62ch;
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--color-silver);
}

.page-faq .page-header .version-badge {
  flex-shrink: 0;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--color-gold);
  background: rgba(212, 175, 55, 0.08);
  color: var(--color-gold);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
  padding-top: 1.5rem;
  padding-bottom: 4rem;
}

.page-faq .faq-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-faq .faq-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.1rem;
  padding: 0.85rem 1rem;
  background: var(--color-graphite);
}

.page-faq .faq-toc-label {
  flex-shrink: 0;
  color: var(--color-gold);
  font-size: var(--fs-small);
  letter-spacing: 0.16em;
}

.page-faq .faq-toc-link {
  flex-shrink: 0;
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  text-decoration: none;
  padding: 0.2rem 0 0.25rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  border-bottom-color: var(--color-flame);
  color: var(--color-gold);
}

.page-faq .faq-filter {
  padding: 1rem;
  background: var(--color-cream);
  border: 1px solid var(--color-silver);
}

.page-faq .faq-filter-label {
  display: block;
  margin-bottom: 0.6rem;
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--color-rock);
}

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-faq .filter-btn {
  padding: 0.38rem 0.8rem;
  border: 1px solid var(--color-silver);
  background: var(--color-cream);
  color: var(--color-graphite);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.page-faq .filter-btn:hover,
.page-faq .filter-btn:focus-visible {
  border-color: var(--color-flame);
  color: var(--color-flame);
}

.page-faq .filter-btn[aria-pressed="true"] {
  border-color: var(--color-flame);
  background: var(--color-flame);
  color: var(--color-cream);
}

.page-faq .faq-contact-card {
  padding: 1.25rem;
  background: var(--color-charcoal);
  border-left: 4px solid var(--color-gold);
}

.page-faq .faq-contact-card-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--color-cream);
}

.page-faq .faq-contact-card p {
  margin: 0 0 1rem;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--color-silver);
}

.page-faq .faq-contact-card .btn {
  display: inline-block;
}

.page-faq .faq-content {
  display: grid;
  gap: 1.7rem;
}

.page-faq .faq-section {
  padding: 1.4rem 1.2rem 1.8rem;
  background: var(--color-cream);
  border: 1px solid var(--color-silver);
  scroll-margin-top: calc(var(--header-offset) + 72px);
}

.page-faq .faq-section:target {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.35);
}

.page-faq .section-head {
  margin-bottom: 1.15rem;
  padding-left: 0.9rem;
  border-left: 4px solid var(--color-flame);
}

.page-faq .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--fs-section);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-graphite);
}

.page-faq .section-desc {
  margin: 0.35rem 0 0;
  font-size: var(--fs-small);
  color: var(--color-rock);
}

.page-faq .faq-section-grid--version {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  align-items: start;
}

.page-faq .image-container {
  overflow: hidden;
}

.page-faq .image-container img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-side-image {
  border: 1px solid var(--color-silver);
  background: var(--color-charcoal);
}

.page-faq .faq-section-image {
  margin-top: 1.4rem;
  border: 1px solid var(--color-silver);
  background: var(--color-charcoal);
}

.page-faq .faq-accordion {
  display: grid;
  gap: 0.6rem;
}

.page-faq .collapsible {
  background: #fff;
  border: 1px solid var(--color-silver);
  border-left: 3px solid var(--color-terra);
}

.page-faq .collapsible-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  padding: 0.9rem 0.95rem;
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--fs-card);
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-graphite);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.page-faq .collapsible-trigger:hover,
.page-faq .collapsible-trigger:focus-visible {
  background: rgba(230, 57, 70, 0.04);
  color: var(--color-flame);
}

.page-faq .collapsible-trigger[aria-expanded="true"] {
  color: var(--color-flame);
  border-bottom-color: var(--color-silver);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex: 1 1 auto;
}

.page-faq .faq-q-index {
  font-family: var(--font-heading);
  font-size: 0.82em;
  color: var(--color-gold);
}

.page-faq .collapsible-icon {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-gold);
}

.page-faq .collapsible-icon::before,
.page-faq .collapsible-icon::after {
  content: "";
  position: absolute;
  background: var(--color-gold);
  transition: transform 0.3s ease;
}

.page-faq .collapsible-icon::before {
  left: 4px;
  right: 4px;
  top: 9px;
  height: 2px;
}

.page-faq .collapsible-icon::after {
  top: 4px;
  bottom: 4px;
  left: 9px;
  width: 2px;
}

.page-faq .collapsible-trigger[aria-expanded="true"] .collapsible-icon::after {
  transform: scaleY(0);
}

.page-faq .collapsible-panel {
  padding: 0.25rem 1rem 1.1rem;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--color-charcoal);
}

.page-faq .collapsible-panel[hidden] {
  display: none;
}

.page-faq .collapsible-panel p {
  margin: 0.75rem 0 0;
}

.page-faq .collapsible-panel p + p {
  margin-top: 0.5rem;
}

.page-faq .collapsible-panel a {
  color: var(--color-flame);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(230, 57, 70, 0.35);
}

.page-faq .faq-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.7rem;
  margin-top: 0.9rem;
  padding: 0.65rem 0.85rem;
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.13), rgba(212, 175, 55, 0.02) 75%);
  border-left: 3px solid var(--color-gold);
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--color-graphite);
}

.page-faq .faq-note-tag {
  flex-shrink: 0;
  padding: 0.1rem 0.45rem;
  background: var(--color-gold);
  color: var(--color-graphite);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-faq .faq-backtop {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  padding: 0.55rem 1rem;
  background: var(--color-flame);
  border: 1px solid var(--color-flame);
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.page-faq .faq-backtop:hover,
.page-faq .faq-backtop:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(230, 57, 70, 0.45);
}

@media (min-width: 760px) {
  .page-faq .faq-section {
    padding: 1.8rem 2rem 2.2rem;
  }

  .page-faq .faq-section-grid--version {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 1.5rem;
  }

  .page-faq .faq-section-image {
    margin-top: 1.8rem;
    max-width: 780px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-width) minmax(0, 1fr);
    gap: 2rem;
    padding-top: 2rem;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: calc(var(--header-offset) + 24px);
  }

  .page-faq .faq-toc {
    display: block;
    padding: 1.2rem 1.3rem;
  }

  .page-faq .faq-toc-label {
    display: block;
    margin-bottom: 0.7rem;
  }

  .page-faq .faq-toc-link {
    display: block;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(224, 224, 224, 0.15);
  }

  .page-faq .faq-toc-link:last-child {
    border-bottom: 0;
  }
}