.page-faq {
  --faq-axis-color: var(--color-gold-dark);
  --faq-index-width: 240px;
  background: var(--color-bg);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-faq__hero {
  position: relative;
  padding: var(--space-l) 0 var(--space-2xl);
  background:
    repeating-linear-gradient(-45deg, transparent 0, transparent 14px, rgba(255, 255, 255, .014) 14px, rgba(255, 255, 255, .014) 28px),
    radial-gradient(circle at 78% 22%, rgba(212, 175, 55, .12), transparent 48%),
    linear-gradient(160deg, var(--color-bg-deep) 0%, var(--color-bg) 55%, var(--color-bg-card) 100%);
  border-bottom: 1px solid var(--color-bg-3);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 107, 53, .07) 50%);
  pointer-events: none;
  z-index: 0;
}

.page-faq__hero .container {
  position: relative;
  z-index: 1;
}

.page-faq__hero-grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.page-faq__hero-copy {
  order: 2;
}

.page-faq__hero-copy .page-title {
  font-size: clamp(30px, 6.4vw, 44px);
  line-height: 1.18;
  color: var(--color-cream);
  margin-bottom: var(--space-m);
}

.page-faq__hero-copy .page-intro {
  color: var(--color-gray);
  max-width: 56ch;
  margin-bottom: var(--space-l);
}

.page-faq__hero-figure {
  order: 1;
  aspect-ratio: 2 / 1;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  border: 1px solid var(--color-gold-dark);
  background: var(--color-bg-deep);
}

.page-faq__hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 55%, rgba(176, 141, 42, .35) 100%);
  pointer-events: none;
}

.page-faq__legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-m);
}

.page-faq__legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}

.page-faq__legend-dot.is-install {
  background: var(--color-gold);
}

.page-faq__legend-dot.is-stats {
  background: var(--color-accent);
}

.page-faq__legend-dot.is-follow {
  background: var(--color-gold-light);
}

.page-faq__legend-dot.is-sync {
  background: var(--color-bg-3);
  border: 1px solid var(--color-gold);
}

/* ===== Workspace section ===== */
.page-faq__section-head {
  margin-bottom: var(--space-xl);
}

.page-faq__filterbar {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  margin-bottom: var(--space-l);
  scrollbar-width: thin;
}

.page-faq__filterbar-label {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-number);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--color-gray);
  white-space: nowrap;
  padding-right: 8px;
  margin-right: 4px;
  border-right: 1px solid var(--color-bg-3);
}

.page-faq__layout {
  display: grid;
  gap: var(--space-xl);
}

/* ===== Left index ===== */
.page-faq__index {
  position: relative;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-bg-3);
  padding: var(--space-l);
  align-self: start;
}

.page-faq__index::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 28px;
  bottom: 28px;
  width: 3px;
  background: linear-gradient(to bottom, transparent, var(--color-gold-dark), transparent);
  opacity: .5;
}

.page-faq__index-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-m);
  padding-bottom: var(--space-s);
  border-bottom: 1px solid var(--color-bg-3);
}

.page-faq__index-kicker {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--color-gold);
}

.page-faq__index-en {
  font-family: var(--font-number);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--color-gray);
}

.page-faq__index-list {
  position: relative;
  padding-left: 38px;
}

.page-faq__index-list::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-gold-dark), var(--color-bg-3) 70%, transparent);
}

.page-faq__index-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 11px 8px;
  background: transparent;
  border: none;
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: color var(--transition), background var(--transition);
  border-radius: 0;
}

.page-faq__index-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 50%;
  transform: translateY(-50%);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-bg-deep);
  border: 2px solid var(--color-gold-dark);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-faq__index-item:hover {
  color: var(--color-gold-light);
  background: rgba(255, 255, 255, .02);
}

.page-faq__index-item.is-active {
  color: var(--color-gold);
}

.page-faq__index-item.is-active::before {
  background: var(--color-gold);
  border-color: var(--color-gold-light);
  box-shadow: 0 0 12px rgba(212, 175, 55, .45);
}

.page-faq__index-num {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-gold-dark);
  min-width: 22px;
  flex: none;
}

.page-faq__index-item.is-active .page-faq__index-num {
  color: var(--color-gold);
}

.page-faq__index-label {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-faq__index-count {
  margin-left: auto;
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-gray);
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-3);
  border-radius: 999px;
  padding: 2px 9px;
  flex: none;
}

.page-faq__index-item.is-active .page-faq__index-count {
  color: var(--color-gold);
  border-color: var(--color-gold-dark);
}

.page-faq__index-foot {
  margin-top: var(--space-m);
  padding-top: var(--space-m);
  border-top: 1px dashed var(--color-bg-3);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq__index-foot-label {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-gray);
  letter-spacing: .06em;
}

.page-faq__index-foot-value {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--color-gold-light);
  letter-spacing: .04em;
}

/* ===== Answers ===== */
.page-faq__answers {
  min-width: 0;
}

.page-faq__item {
  border: 1px solid var(--color-bg-3);
  background: var(--color-bg-card);
  margin-bottom: var(--space-m);
  transition: border-color var(--transition), background var(--transition);
}

.page-faq__item[open] {
  border-color: var(--color-gold-dark);
  background: linear-gradient(160deg, var(--color-bg-card), var(--color-bg-deep));
}

.page-faq__q {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px var(--space-m);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--transition);
}

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

.page-faq__q:hover {
  background: rgba(255, 255, 255, .03);
}

.page-faq__q:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
}

.page-faq__q-tag {
  flex: none;
  font-family: var(--font-number);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-dark);
  padding: 2px 8px;
  border-radius: 2px;
}

.page-faq__q-text {
  flex: 1;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-cream);
}

.page-faq__q-toggle {
  flex: none;
  width: 22px;
  height: 22px;
  position: relative;
}

.page-faq__q-toggle::before,
.page-faq__q-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-gold);
  transform: translate(-50%, -50%);
  transition: transform var(--transition);
}

.page-faq__q-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq__item[open] .page-faq__q-toggle::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq__a {
  padding: 0 var(--space-m) var(--space-m);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-cream);
  animation: page-faq-fade-in 260ms var(--ease);
}

@keyframes page-faq-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq__a p {
  margin-bottom: var(--space-s);
}

.page-faq__a ol {
  margin: var(--space-s) 0 var(--space-s) var(--space-l);
  list-style: decimal;
}

.page-faq__a li {
  margin-bottom: 4px;
  line-height: 1.6;
}

.page-faq__a a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.page-faq__a a:hover {
  color: var(--color-accent-light);
}

.page-faq__a strong {
  color: var(--color-gold-light);
  font-family: var(--font-number);
  font-size: 14px;
  letter-spacing: .02em;
}

/* ===== Install section ===== */
.page-faq__install-section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.page-faq__install-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--color-gold-dark), transparent 80%);
}

.page-faq__install-grid {
  display: grid;
  gap: var(--space-l);
  align-items: center;
}

.page-faq__install-figure {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  border: 1px solid var(--color-bg-3);
  background: var(--color-bg-deep);
}

.page-faq__install-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq__install-copy .section-kicker {
  margin-bottom: 4px;
}

.page-faq__install-title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 30px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-gold-light);
  margin-bottom: var(--space-m);
}

.page-faq__install-steps {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-m);
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.page-faq__install-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-cream);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

.page-faq__step-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-bg-3);
  clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
  padding-left: 3px;
}

.page-faq__install-note {
  font-size: 14px;
  color: var(--color-gray);
}

.page-faq__install-note a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

.page-faq__install-note a:hover {
  color: var(--color-accent-light);
}

/* ===== Stats ===== */
.page-faq__stats-section {
  padding: var(--space-2xl) 0;
  background:
    linear-gradient(180deg, var(--color-bg-deep), var(--color-bg));
  position: relative;
}

.page-faq__stats-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-bg-3), transparent);
}

.page-faq__stats-head {
  margin-bottom: var(--space-xl);
}

.page-faq__stats-title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 30px);
  font-weight: 700;
  color: var(--color-cream);
  margin-top: 4px;
}

.page-faq__stats-grid {
  gap: var(--space-m);
}

.page-faq__stats-grid .stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-3);
  transition: transform var(--transition), border-color var(--transition);
}

.page-faq__stats-grid .stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-gold-dark);
}

.page-faq__stat-suffix {
  font-size: .55em;
  color: var(--color-gold);
  margin-left: 2px;
  font-family: var(--font-number);
}

.page-faq__stats-note {
  margin-top: var(--space-m);
  font-size: 13px;
  color: var(--color-gray);
  text-align: center;
  font-family: var(--font-number);
  letter-spacing: .03em;
}

/* ===== CTA ===== */
.page-faq__cta-section {
  padding: var(--space-2xl) 0;
}

.page-faq__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-l);
  align-items: flex-start;
  padding: var(--space-xl) var(--space-l);
  background:
    linear-gradient(135deg, rgba(212, 175, 55, .12), transparent 55%),
    var(--color-bg-card);
  border: 1px solid var(--color-bg-3);
}

.page-faq__cta-copy {
  flex: 1;
}

.page-faq__cta-title {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3.6vw, 28px);
  font-weight: 700;
  color: var(--color-gold-light);
  margin-bottom: 6px;
}

.page-faq__cta-text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-cream);
  max-width: 52ch;
}

.page-faq__cta-btn {
  width: 100%;
  text-align: center;
  flex: none;
}

/* ===== Mobile: fix horizontal overflow ===== */
@media (max-width: 767px) {
  .page-faq__hero {
    padding-top: var(--space-s);
  }

  .page-faq__hero-grid {
    margin-top: var(--space-l);
  }

  .page-faq__index {
    padding: var(--space-m);
  }

  .page-faq__q-text {
    font-size: 15px;
  }

  .page-faq__a {
    font-size: 14px;
  }

  .page-faq__filterbar {
    margin-left: calc(var(--container-width) * -1);
    margin-right: calc(var(--container-width) * -1);
    padding-left: var(--space-m);
    padding-right: var(--space-m);
  }
}

/* ===== Desktop breakpoints ===== */
@media (min-width: 768px) {
  .page-faq__hero {
    padding-top: var(--space-xl);
  }

  .page-faq__hero-grid {
    grid-template-columns: 1.08fr .92fr;
    gap: var(--space-2xl);
    align-items: center;
  }

  .page-faq__hero-copy {
    order: 1;
  }

  .page-faq__hero-figure {
    order: 2;
    margin: 0;
  }

  .page-faq__filterbar {
    flex-wrap: wrap;
    overflow: visible;
    justify-content: center;
    padding-bottom: 0;
  }

  .page-faq__layout {
    grid-template-columns: var(--faq-index-width) 1fr;
    gap: var(--space-xl);
    align-items: start;
  }

  .page-faq__index {
    position: sticky;
    top: calc(var(--header-height) + 24px);
  }

  .page-faq__install-grid {
    grid-template-columns: .8fr 1.2fr;
    gap: var(--space-2xl);
  }

  .page-faq__cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2xl);
  }

  .page-faq__cta-btn {
    width: auto;
  }
}

@media (min-width: 1024px) {
  .page-faq__stats-grid {
    gap: var(--space-xl);
  }

  .page-faq__answers .page-faq__item {
    margin-bottom: var(--space-l);
  }

  .page-faq__q {
    padding: 18px var(--space-l);
  }

  .page-faq__a {
    padding: 0 var(--space-l) var(--space-l);
  }

  .page-faq__q-text {
    font-size: 17px;
  }
}