.page-faq {
  --faq-rail: 264px;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(30px, 5vw, 68px) 0 clamp(26px, 4vw, 52px);
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(115% 90% at 6% -10%, rgba(0, 229, 255, 0.11), transparent 58%),
    radial-gradient(90% 80% at 96% 8%, rgba(138, 92, 255, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(5, 7, 15, 0.45), transparent 70%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -2px;
  width: clamp(90px, 22vw, 320px);
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.page-faq .faq-hero h1 {
  max-width: 20ch;
  margin: 10px 0 0;
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  margin: clamp(14px, 2vw, 22px) 0 0;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: clamp(22px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 13px 15px;
  border: 2px solid var(--line);
  border-left: 4px solid var(--cyan);
  background: var(--midnight);
}

.page-faq .faq-fact:nth-child(2) { border-left-color: var(--violet); }
.page-faq .faq-fact:nth-child(3) { border-left-color: var(--mint); }
.page-faq .faq-fact:nth-child(4) { border-left-color: var(--orange); }

.page-faq .faq-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-faq .faq-fact:nth-child(2) .faq-fact__num { color: var(--violet); }
.page-faq .faq-fact:nth-child(3) .faq-fact__num { color: var(--mint); }
.page-faq .faq-fact:nth-child(4) .faq-fact__num { color: var(--orange); }

.page-faq .faq-fact__label {
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--slate);
}

/* ---------- Shell ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding-top: clamp(30px, 4vw, 60px);
  padding-bottom: clamp(48px, 7vw, 104px);
}

.page-faq .faq-side {
  min-width: 0;
}

.page-faq .faq-side__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-filters,
.page-faq .faq-side .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
}

.page-faq .faq-side .filter-btn {
  font: inherit;
  font-size: 0.82rem;
  line-height: 1.2;
  cursor: pointer;
  padding: 8px 12px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--body-dim);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-faq .faq-side .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--fog);
}

.page-faq .faq-side .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  box-shadow: var(--shadow-hard);
}

.page-faq .filter-status {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--slate);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-jump a .mono {
  color: var(--violet);
  font-size: 0.72rem;
}

.page-faq .faq-jump a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- Groups ---------- */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  margin: 0 0 clamp(38px, 5vw, 72px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: var(--cyan-soft);
  padding: 3px 8px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  line-height: 1.25;
  color: var(--fog);
}

.page-faq .faq-group__lede {
  max-width: 68ch;
  margin: 0 0 22px;
  color: var(--body-dim);
  line-height: 1.78;
}

/* ---------- Figures ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

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

/* ---------- Accordion ---------- */
.page-faq .qa {
  margin: 0 0 10px;
  border: 2px solid var(--line);
  background: var(--midnight);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .qa[open] {
  border-color: var(--cyan);
  box-shadow: 6px 6px 0 rgba(0, 229, 255, 0.32);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--fog);
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__index {
  padding-top: 3px;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .qa__text {
  min-width: 0;
}

.page-faq .qa__sign {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  flex: none;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .qa__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa__sign::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .qa[open] .qa__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa__body {
  padding: 0 16px 17px 16px;
  margin-top: -2px;
  color: var(--body-dim);
  line-height: 1.78;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .qa__body p {
  margin: 0;
}

.page-faq .qa__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.45);
}

.page-faq .qa__body a:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-qa.is-in {
  animation: faqFadeIn 0.16s var(--ease) both;
}

@keyframes faqFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- CTA ---------- */
.page-faq .faq-cta {
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(22px, 3.2vw, 36px);
  background:
    linear-gradient(135deg, rgba(0, 229, 255, 0.13), rgba(138, 92, 255, 0.13)),
    var(--midnight);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--fog);
}

.page-faq .faq-cta__text {
  max-width: 56ch;
  margin: 0;
  color: var(--body-dim);
  line-height: 1.75;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- Responsive ---------- */
@media (max-width: 979px) {
  .page-faq .faq-side .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
    scrollbar-width: thin;
  }

  .page-faq .faq-side .filter-btn {
    flex: 0 0 auto;
  }

  .page-faq .faq-facts {
    gap: 8px;
  }
}

@media (min-width: 700px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-side__inner {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    padding: 18px;
    border: 2px solid var(--line);
    background: var(--midnight);
  }

  .page-faq .faq-hero h1 {
    font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  }

  .page-faq .qa__q {
    padding: 18px 20px;
    font-size: 1.04rem;
  }

  .page-faq .qa__body {
    padding: 16px 20px 20px 20px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-shell {
    --faq-rail: 290px;
  }
}