.page-faq {
  --faq-sidebar-w: 280px;
  --faq-radius: 0.625rem;
  display: block;
  background:
    radial-gradient(circle at 12% 15%, rgba(0, 229, 255, 0.08), transparent 24rem),
    radial-gradient(circle at 88% 42%, rgba(255, 107, 0, 0.05), transparent 22rem),
    var(--c-base);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.75;
  padding-bottom: 5rem;
}

.page-faq .faq-hero {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1rem, 3vw, 2rem) 0;
  border-bottom: 1px solid var(--c-edge);
  position: relative;
}

.page-faq .faq-hero::after {
  content: "";
  display: block;
  margin-top: 2rem;
  height: 4px;
  background: linear-gradient(90deg, var(--c-orange) 0 40%, var(--c-edge) 40% 100%);
}

.page-faq .faq-breadcrumb {
  margin-bottom: 2.5rem;
}

.page-faq .faq-breadcrumb__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  font-family: var(--font-data);
  font-size: 0.8125rem;
}

.page-faq .faq-breadcrumb__item + .faq-breadcrumb__item::before {
  content: "/";
  color: var(--c-edge);
  margin-right: 0.5rem;
}

.page-faq .faq-breadcrumb__link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-breadcrumb__link:hover,
.page-faq .faq-breadcrumb__link:focus-visible {
  color: var(--c-text);
  border-bottom-color: var(--c-cyan);
  outline: none;
}

.page-faq .faq-breadcrumb__item[aria-current="page"] {
  color: var(--c-text-dim);
}

.page-faq .faq-hero__eyebrow {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--c-orange);
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
  color: var(--c-text);
}

.page-faq .faq-hero__lead {
  max-width: 42em;
  margin: 0 0 1.5rem;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.75;
  color: var(--c-text-dim);
}

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

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  padding-bottom: 2rem;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  color: var(--c-text-dim);
}

.page-faq .faq-hero__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-faq .faq-live-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--c-success);
  box-shadow: 0 0 0 3px rgba(61, 214, 140, 0.18);
}

.page-faq .faq-layout {
  position: relative;
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 3vw, 2rem) 0;
}

.page-faq .faq-filter__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-sidebar {
  margin-bottom: 2.5rem;
}

.page-faq .faq-sidebar__panel {
  background: var(--c-glass);
  border: 1px solid var(--c-edge);
  border-radius: var(--faq-radius);
  padding: 1rem 1.125rem;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.18);
}

.page-faq .faq-sidebar__terminal {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--c-edge);
  margin-bottom: 1rem;
}

.page-faq .faq-sidebar__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  display: inline-block;
}

.page-faq .faq-sidebar__dot:nth-child(1) { background: var(--c-orange); }
.page-faq .faq-sidebar__dot:nth-child(2) { background: var(--c-amber); }
.page-faq .faq-sidebar__dot:nth-child(3) { background: var(--c-success); }

.page-faq .faq-sidebar__label {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-text-dim);
}

.page-faq .faq-sidebar__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin: 0 0 0.875rem;
  color: var(--c-text);
}

.page-faq .faq-sidebar__nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
  margin: 0 -0.25rem;
  padding: 0 0.25rem;
}

.page-faq .faq-sidebar__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
  min-width: 6.5rem;
  padding: 0.625rem 0.75rem;
  border-radius: 0.35rem;
  border: 1px solid transparent;
  color: var(--c-text-dim);
  font-size: 0.8125rem;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-sidebar__link:hover {
  background: var(--c-panel);
  color: var(--c-text);
  border-color: var(--c-cyan);
  transform: translateY(-1px);
}

.page-faq .faq-sidebar__idx {
  font-family: var(--font-data);
  font-size: 0.875rem;
  color: var(--c-orange);
  flex-shrink: 0;
}

.page-faq .faq-sidebar__name {
  white-space: nowrap;
}

.page-faq .faq-sidebar__tip {
  margin-top: 1rem;
  padding: 0.875rem;
  background: rgba(19, 42, 74, 0.6);
  border: 1px solid var(--c-edge);
  border-radius: 0.4rem;
}

.page-faq .faq-sidebar__tip-label {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  margin: 0 0 0.375rem;
}

.page-faq .faq-sidebar__tip-text {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--c-text-dim);
}

.page-faq .faq-sidebar__kbd {
  font-family: var(--font-data);
  font-size: 0.75rem;
  background: var(--c-panel);
  border: 1px solid var(--c-edge);
  border-radius: 0.25rem;
  padding: 0.1rem 0.375rem;
  color: var(--c-cyan);
}

.page-faq .faq-group {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  scroll-margin-top: 2rem;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--c-edge);
}

.page-faq .faq-group__badge {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--c-orange);
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-radius: 0.375rem;
  padding: 0.375rem 0.75rem;
  flex-shrink: 0;
}

.page-faq .faq-group__heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 0.25rem;
  color: var(--c-text);
  line-height: 1.1;
}

.page-faq .faq-group__heading p {
  color: var(--c-text-dim);
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.5;
}

.page-faq .faq-item {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-edge);
  border-radius: 0.5rem;
  margin-bottom: 0.875rem;
  scroll-margin-top: 2rem;
  overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--c-cyan);
  transform: translateY(-1px);
}

.page-faq .faq-item__toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-text);
  border-left: 3px solid transparent;
  user-select: none;
  -webkit-user-select: none;
  position: relative;
}

.page-faq .faq-item__toggle:focus-visible ~ .faq-item__summary {
  outline: 2px solid var(--c-cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__id {
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--c-orange);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__marker {
  font-family: var(--font-data);
  color: var(--c-cyan);
  width: 1.25rem;
  height: 1.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-edge);
  border-radius: 50%;
  font-size: 0.8125rem;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-item__marker::before {
  content: "+";
}

.page-faq .faq-item__toggle:checked ~ .faq-item__summary {
  border-left-color: var(--c-orange);
}

.page-faq .faq-item__toggle:checked ~ .faq-item__summary .faq-item__marker {
  transform: rotate(45deg);
  background: rgba(255, 107, 0, 0.15);
  border-color: var(--c-orange);
  color: var(--c-orange);
}

.page-faq .faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  border-top: 1px solid transparent;
  transition: grid-template-rows 0.35s var(--ease), opacity 0.25s var(--ease), border-top-color 0.2s var(--ease);
}

.page-faq .faq-item__toggle:checked ~ .faq-item__answer {
  grid-template-rows: 1fr;
  opacity: 1;
  border-top-color: var(--c-orange);
}

.page-faq .faq-item__answer__inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 1.125rem;
}

.page-faq .faq-item__toggle:checked ~ .faq-item__answer .faq-item__answer__inner {
  padding-top: 1rem;
  padding-bottom: 1.25rem;
}

.page-faq .faq-item__answer p {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--c-text-dim);
}

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

.page-faq .faq-item__answer mark {
  background: rgba(0, 229, 255, 0.12);
  color: var(--c-text);
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
  border-radius: 0.1em;
  padding: 0.05em 0.2em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.page-faq .faq-item__answer a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-item__answer a:hover,
.page-faq .faq-item__answer a:focus-visible {
  color: var(--c-text);
  border-bottom-color: var(--c-cyan);
  outline: none;
}

.page-faq .faq-item__copy {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.5rem;
  font-family: var(--font-data);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-faq .faq-figure {
  margin: 1.5rem 0 0;
  padding: 0.75rem;
  border: 1px solid var(--c-edge);
  border-radius: 0.375rem;
  background: rgba(19, 42, 74, 0.35);
  display: inline-block;
  max-width: 100%;
}

.page-faq .faq-figure img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 0.25rem;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  font-family: var(--font-data);
  font-size: 0.6875rem;
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
  margin-top: 0.625rem;
  padding-left: 0.5rem;
  border-left: 2px solid var(--c-orange);
}

.page-faq .faq-figure--compact {
  max-width: 260px;
}

.page-faq .faq-cta {
  max-width: var(--container);
  margin: clamp(3rem, 6vw, 5rem) auto 0;
  padding: clamp(2rem, 4vw, 3rem) clamp(1rem, 3vw, 2rem);
  background:
    linear-gradient(135deg, rgba(255, 107, 0, 0.16), transparent 55%),
    radial-gradient(circle at 85% 20%, rgba(0, 229, 255, 0.12), transparent 55%),
    var(--c-panel);
  border: 1px solid var(--c-edge);
  border-radius: 0.75rem;
}

.page-faq .faq-cta__eyebrow {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-cyan);
  margin: 0 0 0.5rem;
}

.page-faq .faq-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 0.75rem;
  color: var(--c-text);
  line-height: 1.1;
}

.page-faq .faq-cta p {
  color: var(--c-text-dim);
  max-width: 34em;
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

.page-faq .faq-cta__btn {
  padding-inline: 1.5rem;
  padding-block: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  box-shadow: 0 6px 24px rgba(255, 107, 0, 0.22);
}

.page-faq :has(#faq-filter-all:checked) .faq-sidebar__link--all,
.page-faq :has(#faq-filter-a:checked) .faq-sidebar__link--a,
.page-faq :has(#faq-filter-b:checked) .faq-sidebar__link--b,
.page-faq :has(#faq-filter-c:checked) .faq-sidebar__link--c,
.page-faq :has(#faq-filter-d:checked) .faq-sidebar__link--d {
  background: var(--c-panel);
  color: var(--c-text);
  border-color: var(--c-cyan);
}

.page-faq .faq-filter__input[value="filter-a"] {
  display: none;
}

.page-faq #faq-filter-a:checked ~ .faq-content .faq-group:not([data-cat="a"]),
.page-faq #faq-filter-b:checked ~ .faq-content .faq-group:not([data-cat="b"]),
.page-faq #faq-filter-c:checked ~ .faq-content .faq-group:not([data-cat="c"]),
.page-faq #faq-filter-d:checked ~ .faq-content .faq-group:not([data-cat="d"]) {
  display: none;
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }

  .page-faq .faq-sidebar {
    margin-bottom: 0;
  }

  .page-faq .faq-sidebar__inner {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .faq-sidebar__nav {
    display: grid;
    gap: 0.375rem;
    overflow: visible;
    margin: 0;
    padding: 0;
  }

  .page-faq .faq-sidebar__link {
    min-width: 0;
    flex: none;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-item__q {
    font-size: 1rem;
  }

  .page-faq .faq-item__answer p {
    font-size: 0.9375rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__answer,
  .page-faq .faq-item__marker,
  .page-faq .faq-sidebar__link,
  .page-faq .faq-item {
    transition: none;
  }
}