.page-faq {
  --faq-side-w: 240px;
  --faq-gap: clamp(28px, 4vw, 60px);
  --faq-card-bg: linear-gradient(180deg, rgba(16, 33, 47, .92), rgba(10, 21, 34, .72));
  background:
    radial-gradient(120% 70% at 6% 0%, rgba(28, 75, 87, .30), transparent 62%),
    var(--ink);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- hero ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--bar-h) + 48px) 0 clamp(44px, 7vw, 88px);
  isolation: isolate;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -14%;
  width: 66%;
  height: 170%;
  background: linear-gradient(158deg, rgba(46, 124, 140, .52), rgba(15, 42, 56, .04) 72%);
  clip-path: polygon(32% 0, 100% 0, 68% 100%, 0 100%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__glyph {
  position: absolute;
  right: 2%;
  bottom: -12%;
  z-index: -1;
  font-family: var(--font-narrow);
  font-size: clamp(220px, 38vw, 560px);
  font-weight: 200;
  line-height: .78;
  color: rgba(200, 255, 77, .05);
  transform: skewX(-7deg);
  pointer-events: none;
  user-select: none;
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .breadcrumb {
  margin-bottom: 30px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-narrow);
  font-size: clamp(50px, 10vw, 138px);
  font-weight: 200;
  line-height: .96;
  letter-spacing: -0.03em;
  color: var(--mist);
  transform: skewX(-2deg);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 24px 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 34px;
}

.page-faq .faq-hero__meta .stat {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--aqua);
}

.page-faq .faq-hero__meta .stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--neon);
}

/* ---------- layout ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-bottom: clamp(64px, 10vw, 140px);
}

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

.page-faq .faq-side__sticky {
  position: static;
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(16, 33, 47, .6);
  color: var(--slate);
  font-size: 12px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

.page-faq .faq-nav {
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line-soft);
}

.page-faq .faq-nav a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-nav a:hover,
.page-faq .faq-nav a:focus-visible {
  color: var(--mist);
  background: rgba(79, 182, 200, .08);
  border-left-color: var(--aqua);
}

.page-faq .faq-nav__n {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--aqua);
}

/* ---------- blocks ---------- */

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

.page-faq .faq-block {
  margin-bottom: clamp(46px, 6vw, 84px);
  scroll-margin-top: calc(var(--bar-h) + 32px);
}

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

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-block__num {
  font-family: var(--font-data);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(79, 182, 200, .16);
  -webkit-text-stroke: 1px rgba(79, 182, 200, .55);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-block__note {
  margin: 0 0 0 auto;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-faq .faq-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

/* ---------- qa ---------- */

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

.page-faq .qa {
  position: relative;
  margin-bottom: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-m);
  background: var(--faq-card-bg);
  overflow: hidden;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

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

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--neon), var(--aqua));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .3s var(--ease);
}

.page-faq .qa[open]::before {
  transform: scaleY(1);
}

.page-faq .qa[open] {
  border-color: rgba(79, 182, 200, .3);
}

.page-faq .qa:hover {
  border-color: rgba(79, 182, 200, .34);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 17px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--mist);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.6;
  transition: color .18s var(--ease);
}

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

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

.page-faq .qa__q:hover {
  color: var(--neon);
}

.page-faq .qa__code {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-faq .qa__code::after {
  content: "—";
  margin-left: 6px;
  font-weight: 400;
  color: rgba(200, 255, 77, .7);
}

.page-faq .qa__text {
  min-width: 0;
  flex: 1 1 auto;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 18px;
  height: 18px;
  margin-left: auto;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: var(--aqua);
  transition: transform .24s var(--ease), opacity .24s var(--ease);
}

.page-faq .qa__mark::before {
  left: 2px;
  top: 8px;
  width: 14px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 8px;
  top: 2px;
  width: 2px;
  height: 14px;
}

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

.page-faq .qa__body {
  display: grid;
  gap: 10px;
  padding: 0 20px 20px;
}

.page-faq .qa__conclusion {
  margin: 0;
  padding-left: 13px;
  border-left: 2px solid var(--neon);
  color: var(--mist);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
}

.page-faq .qa__body p {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .qa__body a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 182, 200, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

/* ---------- figures ---------- */

.page-faq .faq-sidefig,
.page-faq .faq-tallfig {
  position: relative;
  margin: 0;
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(46, 124, 140, .55), rgba(15, 42, 56, .92));
}

.page-faq .faq-sidefig img,
.page-faq .faq-tallfig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
}

.page-faq .faq-tallfig img {
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-faq .faq-sidefig figcaption,
.page-faq .faq-tallfig figcaption {
  padding: 12px 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
  background: rgba(10, 21, 34, .72);
}

/* ---------- index ---------- */

.page-faq .faq-idx {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-idx a {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--r-s);
  border: 1px solid var(--line-soft);
  background: rgba(16, 33, 47, .55);
  color: var(--mist);
  text-decoration: none;
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-idx a:hover,
.page-faq .faq-idx a:focus-visible {
  border-color: rgba(200, 255, 77, .45);
  background: rgba(28, 75, 87, .4);
  transform: translateY(-2px);
}

.page-faq .faq-idx__n {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--neon);
}

.page-faq .faq-idx__t {
  min-width: 0;
  font-size: 15px;
  line-height: 1.5;
}

.page-faq .faq-idx__r {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate);
  white-space: nowrap;
}

.page-faq .faq-idx__foot {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--slate);
}

.page-faq .faq-idx__foot a {
  color: var(--aqua);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 182, 200, .35);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

/* ---------- responsive ---------- */

@media (min-width: 640px) {
  .page-faq .faq-idx {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-side-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-side__sticky {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
  }

  .page-faq .faq-nav {
    display: block;
  }

  .page-faq .faq-chips {
    margin-bottom: 20px;
  }

  .page-faq .faq-block--intro .faq-block__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-block--split .faq-block__grid {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 320px);
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-faq {
    --faq-side-w: 268px;
  }

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

@media (max-width: 559px) {
  .page-faq .faq-block__note {
    margin-left: 0;
    flex-basis: 100%;
  }

  .page-faq .qa__q {
    padding: 15px 16px;
  }

  .page-faq .qa__body {
    padding: 0 16px 18px;
  }

  .page-faq .faq-idx a {
    grid-template-columns: 36px minmax(0, 1fr);
  }

  .page-faq .faq-idx__r {
    grid-column: 2;
    color: var(--aqua);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa::before,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-chips a,
  .page-faq .faq-nav a,
  .page-faq .faq-idx a {
    transition: none;
  }

  .page-faq .faq-idx a:hover,
  .page-faq .faq-idx a:focus-visible {
    transform: none;
  }
}