.page-faq {
  --faq-border: rgba(23, 107, 77, 0.45);
  --faq-faint: rgba(23, 107, 77, 0.18);
  --faq-panel: #0A1512;
  --faq-shadow: 8px 8px 0 rgba(199, 255, 61, 0.1);
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--mist);
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: 20px;
  padding-bottom: 8px;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 5vw, 56px);
  background:
    radial-gradient(ellipse at 82% 12%, rgba(199, 255, 61, 0.16), transparent 58%),
    radial-gradient(ellipse at 8% 92%, rgba(14, 59, 46, 0.9), transparent 62%),
    linear-gradient(180deg, #050807 0%, #071310 100%);
  border-bottom: 2px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(23, 107, 77, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23, 107, 77, 0.12) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.9), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(38px, 8vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
  color: var(--mist);
  text-wrap: balance;
}

.page-faq .faq-lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(243, 246, 239, 0.82);
}

.page-faq .faq-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: var(--faq-border);
  border: 2px solid var(--faq-border);
}

.page-faq .faq-hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: #071310;
  min-width: 0;
}

.page-faq .stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--volt);
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.page-faq .stat-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 2px solid var(--line);
  box-shadow: var(--faq-shadow);
  background: var(--turf-deep);
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

/* ---------- layout ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-faq .faq-index {
  border: 2px solid var(--faq-faint);
  background: var(--faq-panel);
  padding: 16px;
  min-width: 0;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--volt);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: border-color var(--step) var(--ease), background-color var(--step) var(--ease), color var(--step) var(--ease);
}

.page-faq .faq-index-link .idx {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--blueprint);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--line);
  background: rgba(199, 255, 61, 0.08);
  color: var(--volt);
  outline: none;
}

.page-faq .faq-index-link:hover .idx,
.page-faq .faq-index-link:focus-visible .idx {
  color: var(--volt);
}

.page-faq .faq-index-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-faint);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel);
}

.page-faq .faq-main {
  min-width: 0;
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

/* ---------- qa groups ---------- */
.page-faq .faq-group {
  scroll-margin-top: 88px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--mist);
}

.page-faq .faq-group-count {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-faq .qa {
  position: relative;
  border: 2px solid var(--faq-faint);
  background: var(--faq-panel);
  margin-bottom: 10px;
  transition: border-color var(--step) var(--ease), box-shadow var(--step) var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--line);
}

.page-faq .qa[open] {
  border-color: var(--line);
  box-shadow: 5px 5px 0 rgba(199, 255, 61, 0.14);
}

.page-faq .qa[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--volt);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 18px;
  align-items: start;
  gap: 10px;
  padding: 14px 14px 14px 16px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--step) var(--ease);
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--volt);
  outline-offset: -4px;
}

.page-faq .qa[open] summary {
  background: rgba(199, 255, 61, 0.05);
}

.page-faq .qa-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  line-height: 1.7;
  color: var(--blueprint);
}

.page-faq .qa[open] .qa-num {
  color: var(--volt);
}

.page-faq .qa-q {
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-faq .qa-mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--volt);
  transition: transform var(--step) var(--ease), opacity var(--step) var(--ease);
}

.page-faq .qa-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .qa-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

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

.page-faq .qa-body {
  padding: 0 16px 16px 56px;
  border-top: 1px dashed var(--faq-faint);
  padding-top: 12px;
}

.page-faq .qa-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 246, 239, 0.8);
  max-width: 66ch;
}

/* ---------- checklist ---------- */
.page-faq .faq-check {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(18px, 3vw, 30px);
  border: 2px solid var(--line);
  background:
    linear-gradient(150deg, rgba(14, 59, 46, 0.75), rgba(5, 8, 7, 0.95) 62%);
  scroll-margin-top: 88px;
}

.page-faq .faq-check h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-check-lead {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 246, 239, 0.78);
  max-width: 60ch;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-faq .step-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--volt);
  padding: 2px 7px;
}

.page-faq .faq-steps p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 246, 239, 0.82);
}

.page-faq .faq-check-media {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--turf-deep);
  box-shadow: var(--faq-shadow);
  align-self: start;
  min-width: 0;
}

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

.page-faq .faq-check-media figcaption {
  padding: 10px 12px;
  border-top: 2px solid var(--faq-faint);
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- troubleshooting ---------- */
.page-faq .faq-trouble {
  border: 2px solid var(--faq-faint);
  background: var(--faq-panel);
  padding: clamp(18px, 3vw, 28px);
  scroll-margin-top: 88px;
}

.page-faq .faq-trouble h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.15;
  color: var(--mist);
}

.page-faq .trouble-list {
  list-style: none;
  counter-reset: trouble;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-faint);
  border: 1px solid var(--faq-faint);
}

.page-faq .trouble-list li {
  counter-increment: trouble;
  position: relative;
  padding: 14px 14px 14px 14px;
  background: #071310;
  min-width: 0;
}

.page-faq .trouble-list li::before {
  content: counter(trouble, decimal-leading-zero);
  position: absolute;
  right: 12px;
  top: 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: rgba(142, 154, 148, 0.55);
}

.page-faq .trouble-flag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--heat);
  border: 2px solid rgba(255, 90, 54, 0.5);
  padding: 2px 8px;
}

.page-faq .trouble-flag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--heat);
}

.page-faq .trouble-list p {
  margin: 10px 0 0;
  padding-right: 24px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 246, 239, 0.82);
  max-width: 60ch;
}

/* ---------- reach ---------- */
.page-faq .faq-reach {
  border: 2px solid var(--volt);
  background:
    radial-gradient(ellipse at 88% 0%, rgba(199, 255, 61, 0.18), transparent 60%),
    linear-gradient(160deg, #0A1512 0%, #050807 72%);
  padding: clamp(20px, 3.4vw, 34px);
  scroll-margin-top: 88px;
}

.page-faq .faq-reach h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-reach-lead {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 246, 239, 0.8);
}

.page-faq .reach-grid {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .reach-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  border: 2px solid var(--line);
  background: rgba(5, 8, 7, 0.6);
  text-decoration: none;
  color: var(--mist);
  min-width: 0;
  transition: border-color var(--step) var(--ease), background-color var(--step) var(--ease), transform var(--step) var(--ease);
}

.page-faq .reach-card:hover,
.page-faq .reach-card:focus-visible {
  border-color: var(--volt);
  background: rgba(199, 255, 61, 0.08);
  outline: none;
}

.page-faq .reach-key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-faq .reach-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--volt);
  overflow-wrap: anywhere;
  line-height: 1.3;
}

.page-faq .reach-hint {
  font-size: 12px;
  color: rgba(243, 246, 239, 0.62);
}

.page-faq .reach-meta {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-border);
}

.page-faq .reach-meta-item {
  min-width: 0;
}

.page-faq .reach-meta dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blueprint);
  margin-bottom: 4px;
}

.page-faq .reach-meta dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(243, 246, 239, 0.8);
}

.page-faq .reach-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .reach-actions .btn {
  flex: 1 1 200px;
  text-align: center;
}

.page-faq .reach-links {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .reach-links a {
  color: var(--volt);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .reach-links a:hover,
.page-faq .reach-links a:focus-visible {
  color: var(--volt-soft);
}

/* ---------- responsive ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero-stats li {
    padding: 14px 18px;
  }

  .page-faq .faq-check {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .reach-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .trouble-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 84px;
  }

  .page-faq .faq-check {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 3vw, 36px);
  }

  .page-faq .qa summary {
    grid-template-columns: 40px minmax(0, 1fr) 18px;
    align-items: center;
    padding: 16px 20px 16px 22px;
  }

  .page-faq .qa-mark {
    margin-top: 0;
  }

  .page-faq .qa-body {
    padding: 14px 24px 18px 62px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 252px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa summary,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .faq-index-link,
  .page-faq .reach-card {
    transition: none;
  }
}