.page-faq {
  --faq-rail-w: 268px;
  --faq-cat-compare: var(--ht-cyan);
  --faq-cat-team: var(--ht-cyan-dim);
  --faq-cat-data: var(--ht-amber);
  --faq-cat-alert: var(--ht-flame);
  --faq-cat-device: var(--ht-text);
  overflow-wrap: break-word;
}

.page-faq .faq-top {
  padding-top: 40px;
}

.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding: 26px 0 52px;
  border-bottom: 1px solid var(--ht-line);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--ht-font-display);
  font-weight: 800;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ht-bright);
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ht-text);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__pulse {
  position: relative;
  min-height: 190px;
  border: 1px solid var(--ht-line);
  background:
    linear-gradient(158deg, rgba(56, 242, 194, 0.12), rgba(6, 18, 14, 0) 62%),
    repeating-linear-gradient(90deg, rgba(23, 54, 43, 0.9) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(23, 54, 43, 0.9) 0 1px, transparent 1px 46px),
    var(--ht-panel-2);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .pulse__node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 34px;
  font-family: var(--ht-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ht-cyan);
  border: 1px solid rgba(56, 242, 194, 0.42);
  background: rgba(56, 242, 194, 0.08);
}

.page-faq .pulse__node--1 {
  top: 20%;
  left: 12%;
}

.page-faq .pulse__node--2 {
  top: 46%;
  left: 40%;
  color: var(--ht-amber);
  border-color: rgba(255, 194, 75, 0.45);
  background: rgba(255, 194, 75, 0.08);
}

.page-faq .pulse__node--3 {
  top: 68%;
  left: 66%;
  color: var(--ht-flame);
  border-color: rgba(255, 90, 43, 0.5);
  background: rgba(255, 90, 43, 0.1);
}

.page-faq .pulse__trace {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(56, 242, 194, 0.35) 48%, transparent 100%);
  transform: translateX(-100%);
  animation: faq-trace 4.8s linear infinite;
  pointer-events: none;
}

@keyframes faq-trace {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.page-faq .faq-index {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ht-line);
  border: 1px solid var(--ht-line);
}

.page-faq .faq-index__item {
  background: var(--ht-panel);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 8px;
  height: 100%;
  padding: 16px 18px;
  border-left: 2px solid transparent;
  color: var(--ht-text);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-left-color: var(--ht-cyan);
  background: var(--ht-panel-2);
  color: var(--ht-bright);
}

.page-faq .faq-index__num {
  grid-row: 1 / span 2;
  align-self: start;
  font-family: var(--ht-font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ht-cyan);
}

.page-faq .faq-index__text {
  font-size: 14.5px;
  line-height: 1.65;
}

.page-faq .faq-index__cat {
  justify-self: start;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 1px 8px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 0.85;
}

.page-faq .faq-index__cat[data-cat="compare"],
.page-faq .faq-item__cat[data-cat="compare"] {
  color: var(--faq-cat-compare);
}

.page-faq .faq-index__cat[data-cat="team"],
.page-faq .faq-item__cat[data-cat="team"] {
  color: var(--faq-cat-team);
}

.page-faq .faq-index__cat[data-cat="data"],
.page-faq .faq-item__cat[data-cat="data"] {
  color: var(--faq-cat-data);
}

.page-faq .faq-index__cat[data-cat="alert"],
.page-faq .faq-item__cat[data-cat="alert"] {
  color: var(--faq-cat-alert);
}

.page-faq .faq-index__cat[data-cat="device"],
.page-faq .faq-item__cat[data-cat="device"] {
  color: var(--faq-cat-device);
}

.page-faq .faq-figure {
  margin: 28px 0 34px;
}

.page-faq .faq-figure--inline {
  margin: 26px 0 30px;
  border-left: 2px solid var(--ht-line);
  padding-left: 18px;
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
  padding-bottom: 72px;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--ht-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ht-mute);
}

.page-faq .faq-rail .ht-filter {
  display: grid;
  gap: 8px;
}

.page-faq .faq-rail .ht-filter__btn {
  width: 100%;
  padding: 10px 13px;
  text-align: left;
  font-family: var(--ht-font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ht-text);
  background: var(--ht-glass-2);
  border: 1px solid var(--ht-line);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail .ht-filter__btn:hover {
  color: var(--ht-bright);
  border-color: var(--ht-cyan-dim);
}

.page-faq .faq-rail .ht-filter__btn[aria-pressed="true"] {
  color: var(--ht-bright);
  border-color: var(--ht-flame);
  background: rgba(255, 90, 43, 0.12);
}

.page-faq .faq-rail__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ht-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ht-mute);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--ht-line);
  scroll-margin-top: calc(var(--ht-header-h) + 28px);
}

.page-faq .faq-item[hidden] {
  display: none;
}

.page-faq .faq-item__h {
  margin: 0;
}

.page-faq .faq-item__btn {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 7px;
  width: 100%;
  padding: 20px 2px;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--ht-text);
  font-family: var(--ht-font-body);
}

.page-faq .faq-item__num {
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 2px;
  font-family: var(--ht-font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ht-mute);
  transition: color 0.2s ease;
}

.page-faq .faq-item__btn[aria-expanded="true"] .faq-item__num {
  color: var(--ht-cyan);
}

.page-faq .faq-item__q {
  font-family: var(--ht-font-display);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--ht-bright);
}

.page-faq .faq-item__cat {
  justify-self: start;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ht-mute);
}

.page-faq .faq-item__panel {
  padding: 0 2px 22px;
}

.page-faq .faq-item__panel[hidden] {
  display: none;
}

.page-faq .faq-item__panel p {
  margin: 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ht-text);
}

.page-faq .faq-item__panel a {
  color: var(--ht-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  margin-top: 32px;
  padding: 18px 20px;
  border: 1px solid var(--ht-line);
  border-left: 3px solid var(--ht-cyan);
  background: var(--ht-glass-2);
}

.page-faq .faq-tip__text {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ht-text);
}

@media (min-width: 700px) {
  .page-faq .faq-hero__title {
    font-size: 38px;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 48px;
    padding: 34px 0 64px;
  }

  .page-faq .faq-hero__title {
    font-size: 46px;
  }

  .page-faq .faq-hero__pulse {
    min-height: 280px;
  }

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

@media (min-width: 1080px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--ht-header-h) + 24px);
  }

  .page-faq .faq-item__btn {
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-rows: auto;
    align-items: baseline;
    padding: 22px 2px;
  }

  .page-faq .faq-item__num {
    grid-row: auto;
  }

  .page-faq .faq-item__cat {
    justify-self: end;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pulse__trace {
    animation: none;
    transform: none;
    opacity: 0.25;
  }

  .page-faq .faq-index__link,
  .page-faq .faq-item__num,
  .page-faq .faq-rail .ht-filter__btn {
    transition: none;
  }
}