.page-faq {
  --faq-gap: 24px;
  color: var(--color-text);
  background: var(--color-main);
}

.page-faq__hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + 28px);
  padding-bottom: 40px;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-main) 45%, var(--color-deep) 100%);
  border-bottom: 1px solid var(--color-line);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: -4%;
  width: 120px;
  background: repeating-linear-gradient(
    -45deg,
    rgba(57, 255, 20, 0.12) 0,
    rgba(57, 255, 20, 0.12) 1px,
    transparent 1px,
    transparent 8px
  );
  transform: skewX(-10deg);
  pointer-events: none;
}

.page-faq__crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.page-faq__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--faq-gap);
}

.page-faq__hero-main {
  min-width: 0;
}

.page-faq__eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.page-faq__eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--color-orange);
}

.page-faq__title {
  margin: 8px 0 12px;
  font-family: var(--font-title);
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: 0.01em;
}

.page-faq__lead {
  max-width: 56ch;
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-faq__hero-links-label {
  flex-basis: 100%;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

.page-faq__hero-aside {
  display: flex;
  align-items: center;
}

.page-faq__stat-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  width: 100%;
  max-width: 340px;
  margin-left: auto;
  border: 1px solid var(--color-line);
  background: var(--color-line);
  box-shadow: var(--shadow-hard);
}

.page-faq__stat-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 14px;
  background: var(--color-deep);
}

.page-faq__stat-num {
  font-family: var(--font-data);
  font-size: 34px;
  line-height: 1;
  color: var(--color-gold);
}

.page-faq__stat-label {
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}

.page-faq__layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: var(--faq-gap);
  padding-bottom: 56px;
}

.page-faq__index {
  min-width: 0;
}

.page-faq__index-inner {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.page-faq__index-title {
  margin: 0;
  padding: 14px 16px 0;
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.page-faq__index-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 12px 16px 16px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq__index-group {
  flex-shrink: 0;
}

.page-faq__index-group-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  background: var(--color-deep);
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
  font-size: 13px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq__index-group-link:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
}

.page-faq__index-num {
  font-family: var(--font-data);
  color: var(--color-orange);
}

.page-faq__index-sublist {
  display: none;
}

.page-faq__chapters {
  min-width: 0;
}

.page-faq__chapter {
  padding: clamp(18px, 3vw, 28px);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq__chapter + .page-faq__chapter {
  margin-top: 16px;
}

.page-faq__chapter-head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-line);
}

.page-faq__chapter-index {
  min-width: 60px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 107, 53, 0.25);
  background: rgba(255, 107, 53, 0.08);
  font-family: var(--font-title);
  font-size: clamp(32px, 4vw, 44px);
  line-height: 1;
  color: var(--color-orange);
  text-align: center;
}

.page-faq__chapter-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.2;
}

.page-faq__chapter-columns {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-faq__chapter-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-faq__item {
  background: var(--color-main);
  border: 1px solid var(--color-line);
  scroll-margin-top: calc(var(--header-h) + 16px);
  transition: border-color 0.25s var(--ease);
}

.page-faq__item[open] {
  border-color: rgba(255, 107, 53, 0.35);
}

.page-faq__item-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  transition: background-color 0.25s var(--ease);
}

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

.page-faq__item-summary::marker {
  content: "";
}

.page-faq__item-summary:hover {
  background: rgba(255, 255, 255, 0.03);
}

.page-faq__item-summary:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: -2px;
}

.page-faq__item-marker {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq__item-marker::before,
.page-faq__item-marker::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--color-orange);
  transform: translate(-50%, -50%);
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-faq__item-marker::before {
  width: 10px;
  height: 2px;
}

.page-faq__item-marker::after {
  width: 2px;
  height: 10px;
}

.page-faq__item[open] > .page-faq__item-summary .page-faq__item-marker {
  border-color: rgba(255, 107, 53, 0.6);
  background: rgba(255, 107, 53, 0.08);
}

.page-faq__item[open] > .page-faq__item-summary .page-faq__item-marker::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq__item-code {
  flex-shrink: 0;
  min-width: 34px;
  display: inline-flex;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--color-green);
}

.page-faq__item-question {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text);
  transition: color 0.25s var(--ease);
}

.page-faq__item-summary:hover .page-faq__item-question {
  color: var(--color-orange);
}

.page-faq__item-answer {
  display: block;
  padding: 4px 16px 18px 50px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq__item[open] .page-faq__item-answer {
  animation: pageFaqFade 0.3s var(--ease) both;
}

.page-faq__item-answer p {
  margin: 12px 0 0;
}

.page-faq__item-answer .button {
  margin-top: 14px;
}

@keyframes pageFaqFade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--color-line);
  background: var(--color-deep);
}

.page-faq__visual img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.page-faq__visual--sort img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

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

.page-faq__visual::before {
  content: "LIVE DATA";
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 1;
  padding: 2px 6px;
  background: var(--color-green);
  color: var(--color-main);
  font-family: var(--font-data);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.page-faq__visual figcaption {
  padding: 10px 2px 2px;
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--color-muted);
  line-height: 1.5;
}

.page-faq__bottom-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-faq__bottom-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.page-faq__bottom-card-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 17px;
}

.page-faq__bottom-card-text {
  margin: 0 0 6px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .page-faq__hero {
    padding-top: calc(var(--header-h) + 40px);
    padding-bottom: 56px;
  }

  .page-faq__hero-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
  }

  .page-faq__layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 32px;
    padding-top: 32px;
    align-items: start;
  }

  .page-faq__index-inner {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    display: block;
  }

  .page-faq__index-list {
    display: block;
    margin: 0;
    padding: 16px 14px 20px;
    overflow: visible;
  }

  .page-faq__index-group {
    margin-bottom: 18px;
  }

  .page-faq__index-group-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 0;
    border-left: 3px solid transparent;
    background: transparent;
    white-space: normal;
    font-size: 15px;
  }

  .page-faq__index-group-link:hover {
    border-left-color: var(--color-orange);
    color: var(--color-text);
  }

  .page-faq__index-sublist {
    display: block;
    margin: 8px 0 0 13px;
    padding: 6px 0 0;
    list-style: none;
    border-top: 1px solid var(--color-line);
  }

  .page-faq__index-sublist li + li {
    margin-top: 2px;
  }

  .page-faq__index-sublist a {
    display: block;
    padding: 5px 10px 5px 22px;
    border-left: 3px solid transparent;
    color: var(--color-muted);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
  }

  .page-faq__index-sublist a:hover {
    border-left-color: var(--color-green);
    background: rgba(57, 255, 20, 0.06);
    color: var(--color-text);
  }

  .page-faq__chapter-columns {
    flex-direction: row;
    gap: 24px;
  }

  .page-faq__chapter-items {
    flex: 1 1 auto;
  }

  .page-faq__visual {
    flex: 0 0 34%;
    max-width: 320px;
    align-self: flex-start;
  }

  .page-faq__bottom-nav {
    grid-template-columns: repeat(2, 1fr);
  }
}