.page-faq {
  --faq-line: var(--b10-line-500);
  --faq-pad: 20px;
  max-width: var(--b10-maxw);
  margin: 0 auto;
  padding: 88px var(--faq-pad) 104px;
  color: var(--b10-paper-100);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq a {
  color: var(--b10-cyan-400);
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 44px;
}

.page-faq .faq-hero__title {
  margin: 20px 0 0;
  font-size: clamp(40px, 11vw, 88px);
  font-weight: 200;
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.page-faq .faq-hero__title strong {
  display: block;
  font-weight: 800;
  color: var(--b10-gold-500);
}

.page-faq .faq-hero__lead {
  margin: 22px 0 0;
  max-width: 48ch;
  color: var(--b10-mist-400);
  font-size: 16px;
}

.page-faq .faq-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.page-faq .faq-hero__meta li {
  border: 1px solid var(--faq-line);
  padding: 12px 14px;
  background: var(--b10-abyss-800);
}

.page-faq .faq-hero__meta b {
  display: block;
  font-family: var(--b10-font-mono);
  font-size: 17px;
  font-weight: 500;
  color: var(--b10-cyan-400);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__meta span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--b10-mist-400);
  line-height: 1.4;
}

/* ---------- rail + main ---------- */
.page-faq .faq-body {
  display: block;
}

.page-faq .faq-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0;
  border-bottom: 1px solid var(--faq-line);
  scrollbar-width: none;
}

.page-faq .faq-rail::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid var(--faq-line);
  color: var(--b10-mist-400);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
}

.page-faq .faq-rail a b {
  font-family: var(--b10-font-mono);
  font-weight: 400;
  color: var(--b10-cyan-400);
}

.page-faq .faq-rail a:hover {
  color: var(--b10-paper-100);
  border-color: var(--b10-cyan-400);
}

/* ---------- sections ---------- */
.page-faq .faq-sec {
  padding-top: 56px;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  border-top: 1px solid var(--faq-line);
  padding-top: 14px;
}

.page-faq .faq-sec__num {
  font-family: var(--faq-line), var(--b10-font-mono);
  font-family: var(--b10-font-mono);
  font-size: clamp(34px, 10vw, 62px);
  font-weight: 200;
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--b10-trench-600);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(21px, 5vw, 34px);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq .faq-sub {
  margin: 28px 0 8px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--b10-cyan-400);
}

.page-faq .faq-lead {
  margin: 24px 0 0;
  color: var(--b10-mist-400);
  font-size: 15.5px;
}

/* ---------- steps ---------- */
.page-faq .faq-steps {
  margin-top: 26px;
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  border: 1px solid var(--faq-line);
  padding: 18px 16px 16px;
  background: linear-gradient(180deg, rgba(20, 57, 92, 0.34), rgba(4, 16, 31, 0));
}

.page-faq .faq-step h3 {
  margin: 6px 0 10px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
}

.page-faq .faq-step p {
  margin: 0 0 14px;
  font-size: 14.5px;
  color: var(--b10-mist-400);
}

.page-faq .faq-note {
  margin: 0;
  padding: 10px 12px;
  border-left: 2px solid var(--b10-gold-500);
  background: var(--b10-abyss-800);
  font-size: 13.5px;
  color: var(--b10-paper-100);
}

.page-faq .faq-note b {
  color: var(--b10-gold-300);
  font-weight: 500;
}

/* ---------- figure ---------- */
.page-faq .faq-figure {
  margin: 30px 0 0;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--b10-mist-400);
}

/* ---------- area ---------- */
.page-faq .faq-cols {
  display: grid;
  gap: 4px;
}

.page-faq .faq-cols p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--b10-mist-400);
}

.page-faq .faq-times {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-times li {
  font-family: var(--b10-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  padding: 6px 9px;
  border: 1px solid var(--faq-line);
  color: var(--b10-mist-400);
}

.page-faq .faq-times li.is-on {
  border-color: var(--b10-gold-500);
  background: rgba(245, 130, 43, 0.1);
  color: var(--b10-gold-300);
}

.page-faq .faq-callout {
  margin-top: 28px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--b10-coral-500);
  padding: 20px 18px;
  background: var(--b10-abyss-800);
}

.page-faq .faq-callout h3 {
  margin: 6px 0 10px;
  font-size: 18px;
  font-weight: 500;
}

.page-faq .faq-callout p {
  margin: 0 0 16px;
  font-size: 14.5px;
  color: var(--b10-mist-400);
}

/* ---------- version deflist ---------- */
.page-faq .faq-deflist {
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .faq-deflist > div {
  border-bottom: 1px solid var(--faq-line);
  padding: 16px 0;
}

.page-faq .faq-deflist dt {
  font-size: 16px;
  font-weight: 500;
  color: var(--b10-paper-100);
}

.page-faq .faq-deflist dt::before {
  content: "—";
  margin-right: 8px;
  color: var(--b10-cyan-400);
}

.page-faq .faq-deflist dd {
  margin: 8px 0 0;
  font-size: 14.5px;
  color: var(--b10-mist-400);
}

.page-faq .faq-inline-link {
  margin: 20px 0 0;
  font-size: 14.5px;
  color: var(--b10-mist-400);
}

.page-faq .faq-inline-link a {
  text-decoration: none;
  border-bottom: 1px solid var(--b10-cyan-400);
}

/* ---------- feedback flow ---------- */
.page-faq .faq-flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: faqflow;
}

.page-faq .faq-flow li {
  border-top: 1px solid var(--faq-line);
  padding: 16px 0;
  display: grid;
  grid-template-columns: 40px 1fr;
  column-gap: 12px;
}

.page-faq .faq-flow li b {
  font-family: var(--b10-font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--b10-gold-500);
  padding-top: 5px;
}

.page-faq .faq-flow li h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 500;
}

.page-faq .faq-flow li p {
  margin: 0;
  font-size: 14.5px;
  color: var(--b10-mist-400);
  grid-column: 2;
}

/* ---------- index ---------- */
.page-faq .faq-index {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-index a {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--faq-line);
  color: var(--b10-paper-100);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
}

.page-faq .faq-index a span {
  flex: 0 0 auto;
  font-family: var(--b10-font-mono);
  font-size: 11px;
  color: var(--b10-cyan-400);
  padding-top: 3px;
}

.page-faq .faq-index a:hover {
  color: var(--b10-gold-300);
}

/* ---------- filter ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin: 28px 0 0;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-tab {
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: none;
  padding: 9px 2px;
  font: inherit;
  font-size: 14px;
  color: var(--b10-mist-400);
  cursor: pointer;
  transition: color 0.26s var(--b10-ease), border-color 0.26s var(--b10-ease);
}

.page-faq .faq-tab:hover {
  color: var(--b10-paper-100);
}

.page-faq .faq-tab[aria-pressed="true"] {
  color: var(--b10-paper-100);
  border-bottom-color: var(--b10-gold-500);
}

.page-faq .faq-filter__status {
  margin: 0 0 0 auto;
  font-family: var(--b10-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--b10-mist-400);
}

.page-faq .faq-filter__status span {
  color: var(--b10-cyan-400);
}

/* ---------- accordion ---------- */
.page-faq .faq-list {
  margin-top: 4px;
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-q summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  gap: 10px;
  align-items: start;
  padding: 16px 0;
}

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

.page-faq .faq-q summary:hover .faq-q__title {
  color: var(--b10-gold-300);
}

.page-faq .faq-q__num {
  font-family: var(--b10-font-mono);
  font-size: 11.5px;
  color: var(--b10-cyan-400);
  padding-top: 5px;
  transition: color 0.26s var(--b10-ease);
}

.page-faq .faq-q__title {
  font-size: 16px;
  line-height: 1.5;
  color: var(--b10-paper-100);
  transition: color 0.26s var(--b10-ease);
}

.page-faq .faq-q__sign {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--b10-mist-400);
  transition: transform 0.26s var(--b10-ease), background 0.26s var(--b10-ease);
}

.page-faq .faq-q__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1px;
}

.page-faq .faq-q__sign::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 14px;
}

.page-faq .faq-q[open] .faq-q__num {
  color: var(--b10-gold-500);
}

.page-faq .faq-q[open] .faq-q__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-q[open] .faq-q__sign::before {
  background: var(--b10-gold-500);
}

.page-faq .faq-q__body {
  padding: 0 0 18px 44px;
  font-size: 14.5px;
  color: var(--b10-mist-400);
  animation: faqQin 0.3s var(--b10-ease) both;
}

@keyframes faqQin {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- cta ---------- */
.page-faq .faq-cta {
  margin-top: 64px;
  padding: 26px 20px;
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--b10-gold-500);
  background: linear-gradient(180deg, rgba(20, 57, 92, 0.45), rgba(4, 16, 31, 0));
}

.page-faq .faq-cta h2 {
  margin: 8px 0 10px;
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 300;
  line-height: 1.25;
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  color: var(--b10-mist-400);
}

.page-faq .faq-cta__links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- responsive ---------- */
@media (min-width: 620px) {
  .page-faq .faq-hero__meta {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-index {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-faq .faq-cols {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-faq .faq-flow {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-faq .faq-flow li {
    border-top: 1px solid var(--faq-line);
  }
}

@media (min-width: 860px) {
  .page-faq {
    --faq-pad: 32px;
    padding-top: 112px;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-step {
    padding: 20px 18px 18px;
  }

  .page-faq .faq-sec {
    padding-top: 72px;
  }

  .page-faq .faq-q summary {
    grid-template-columns: 44px minmax(0, 1fr) 18px;
    padding: 18px 0;
  }

  .page-faq .faq-q__body {
    padding-left: 54px;
    max-width: 68ch;
  }

  .page-faq .faq-cta {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    padding: 30px 28px;
  }

  .page-faq .faq-cta__links {
    margin-top: 0;
    flex: 0 0 auto;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: 56px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 8px 0 0;
    border-bottom: 0;
    border-right: 1px solid var(--faq-line);
  }

  .page-faq .faq-rail a {
    border: 0;
    border-right: 1px solid transparent;
    margin-right: -1px;
    padding: 10px 16px 10px 0;
    font-size: 12.5px;
    transition: color 0.26s var(--b10-ease), border-color 0.26s var(--b10-ease);
  }

  .page-faq .faq-rail a:hover {
    border-right-color: var(--b10-gold-500);
  }

  .page-faq .faq-hero__title {
    font-size: clamp(64px, 8vw, 96px);
  }

  .page-faq .faq-lead {
    font-size: 17px;
    max-width: 62ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__body {
    animation: none;
  }

  .page-faq .faq-q__sign::before,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-q__num,
  .page-faq .faq-q__title,
  .page-faq .faq-tab,
  .page-faq .faq-rail a {
    transition: none;
  }
}