.page-faq {
  --faq-rail-w: 236px;
  --faq-ink-soft: rgba(246, 247, 242, 0.8);
  background: var(--ink-pitch);
  color: var(--signal-white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
}

.page-faq a {
  color: var(--neon-cyan);
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 3px;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) var(--gutter) clamp(30px, 5vw, 58px);
  background:
    radial-gradient(120% 90% at 90% -10%, rgba(61, 245, 208, 0.15), transparent 58%),
    linear-gradient(178deg, var(--green-black) 0%, var(--ink-pitch) 84%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: 52%;
  height: 158%;
  background: linear-gradient(150deg, rgba(255, 106, 43, 0.22), rgba(255, 106, 43, 0) 62%);
  transform: skewX(-15deg) rotate(5deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(16px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel-mist);
}

.page-faq .faq-crumb a {
  color: var(--steel-mist);
  text-decoration: none;
}

.page-faq .faq-crumb a:hover {
  color: var(--neon-cyan);
}

.page-faq .faq-crumb__sep {
  color: var(--cyan-dim);
}

.page-faq .faq-hero__title {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 8.6vw, 80px);
  line-height: 0.99;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__title em {
  position: relative;
  font-style: normal;
  color: var(--neon-cyan);
}

.page-faq .faq-hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 3px;
  background: var(--track-orange);
  opacity: 0.85;
}

.page-faq .faq-hero__lead {
  max-width: 60ch;
  margin: 0 0 clamp(24px, 4vw, 38px);
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-route {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-route__step {
  padding: 15px 16px 17px;
  background: rgba(6, 23, 19, 0.74);
}

.page-faq .faq-route__num {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--track-orange);
}

.page-faq .faq-route__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--signal-white);
}

.page-faq .faq-route__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--steel-mist);
}

/* ---------- shell ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 44px);
  align-items: start;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(26px, 5vw, 52px) var(--gutter) clamp(44px, 7vw, 88px);
}

/* ---------- rail ---------- */
.page-faq .faq-rail {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--steel-mist);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: rgba(6, 23, 19, 0.55);
  color: var(--signal-white);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-rail__link:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--track-orange);
}

.page-faq .faq-rail__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--steel-mist);
}

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

.page-faq .faq-section {
  scroll-margin-top: 84px;
  padding-top: clamp(22px, 3.2vw, 34px);
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-section__head {
  margin-bottom: clamp(12px, 2vw, 18px);
}

.page-faq .faq-section__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--steel-mist);
}

.page-faq .faq-section__eyebrow::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-soft);
}

.page-faq .faq-section__num {
  color: var(--track-orange);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 4.2vw, 36px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--signal-white);
}

.page-faq .faq-section__note {
  max-width: 58ch;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel-mist);
}

/* ---------- accordion ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item:first-of-type {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
}

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

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

.page-faq .faq-item__idx {
  flex: 0 0 auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-dim);
}

.page-faq .faq-item--step .faq-item__idx {
  color: var(--track-orange);
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(15px, 1.4vw, 17px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--signal-white);
  transition: color 0.16s var(--ease);
}

.page-faq .faq-item__summary:hover .faq-item__q {
  color: var(--neon-cyan);
}

.page-faq .faq-item[open] > .faq-item__summary .faq-item__q {
  color: var(--neon-cyan);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--steel-mist);
  transform: translate(-50%, -50%);
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-item__sign::before {
  width: 8px;
  height: 1px;
}

.page-faq .faq-item__sign::after {
  width: 1px;
  height: 8px;
}

.page-faq .faq-item[open] .faq-item__sign {
  border-color: var(--neon-cyan);
  background: rgba(61, 245, 208, 0.12);
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: var(--neon-cyan);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__body {
  max-width: 62ch;
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-ink-soft);
}

.page-faq .faq-item__body p {
  margin: 0 0 9px;
}

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

.page-faq .faq-item__body ol {
  margin: 4px 0 10px;
  padding-left: 20px;
}

.page-faq .faq-item__body ol li {
  margin-bottom: 5px;
}

.page-faq .faq-item__body a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 208, 0.4);
}

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

/* ---------- figures ---------- */
.page-faq .faq-figure {
  margin: 0 0 18px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--green-black);
  object-fit: cover;
}

.page-faq .faq-figure--portrait img {
  max-width: 300px;
}

.page-faq .faq-figure figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--steel-mist);
}

/* ---------- support panel ---------- */
.page-faq .faq-support {
  margin-top: 20px;
  padding: clamp(20px, 3.4vw, 32px);
  background: var(--cream-paper);
  color: var(--brown-black);
  border: 1px solid rgba(42, 29, 22, 0.18);
  box-shadow: 0 20px 44px -30px rgba(0, 0, 0, 0.85);
}

.page-faq .faq-support__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.2;
  color: var(--brown-black);
}

.page-faq .faq-support__text {
  max-width: 56ch;
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: #3d2c22;
}

.page-faq .faq-support__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px 20px;
}

.page-faq .faq-support__key {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: #7c6a5e;
}

.page-faq .faq-support__val {
  display: block;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--brown-black);
  word-break: break-word;
}

.page-faq .faq-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(42, 29, 22, 0.18);
}

.page-faq .faq-support__links a {
  padding-bottom: 1px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: #4a3a30;
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 29, 22, 0.32);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-faq .faq-support__links a:hover {
  color: var(--track-orange);
  border-bottom-color: var(--track-orange);
}

/* ---------- responsive ---------- */
@media (min-width: 600px) {
  .page-faq .faq-route {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-faq .faq-item__body {
    padding: 0 0 22px 30px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 32px;
    border-top: 0;
    padding-top: 0;
  }

  .page-faq .faq-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__list > li + li {
    margin-top: 2px;
  }

  .page-faq .faq-rail__link {
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    background: transparent;
    font-size: 14px;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover {
    border-left-color: var(--neon-cyan);
    background: rgba(61, 245, 208, 0.06);
  }

  .page-faq .faq-figure--portrait img {
    max-width: 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}