.page-faq {
  --faq-side-w: 264px;
  --faq-gap: clamp(24px, 4vw, 56px);
  overflow-x: clip;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(20px, 4vw, 36px) clamp(32px, 5vw, 64px);
  background:
    linear-gradient(180deg, var(--yb-glass) 0%, rgba(230, 237, 255, 0) 78%),
    var(--yb-paper);
  border-bottom: 1px solid var(--yb-line);
}

.page-faq .faq-hero__ghost {
  position: absolute;
  top: -0.36em;
  right: -0.04em;
  font-family: var(--yb-font-mono);
  font-size: clamp(92px, 19vw, 250px);
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(26, 92, 255, 0.055);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--yb-font-sans);
  font-weight: 900;
  font-size: clamp(34px, 5.4vw, 62px);
  line-height: 1.06;
  letter-spacing: 0.03em;
  color: var(--yb-ink);
  word-break: break-word;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--yb-graphite);
}

.page-faq .faq-hero__hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin: 22px 0 0;
  font-family: var(--yb-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--yb-graphite);
}

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

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

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-block: clamp(32px, 5vw, 64px) clamp(48px, 7vw, 96px);
}

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

.page-faq .faq-side__panel {
  padding: 18px 16px 16px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
}

.page-faq .faq-side__title {
  margin: 0 0 12px;
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--yb-signal-deep);
}

.page-faq .faq-side__nav {
  display: grid;
  gap: 2px;
}

.page-faq .faq-side__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 8px 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--yb-radius) var(--yb-radius) 0;
  color: var(--yb-graphite);
  font-family: var(--yb-font-sans);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.16s var(--yb-ease), background 0.16s var(--yb-ease),
    border-color 0.16s var(--yb-ease);
}

.page-faq .faq-side__link:hover {
  color: var(--yb-ink);
  background: rgba(26, 92, 255, 0.06);
}

.page-faq .faq-side__link:focus-visible {
  outline: 2px solid var(--yb-blue);
  outline-offset: 2px;
}

.page-faq .faq-side__link[aria-current="true"] {
  color: var(--yb-blue);
  border-left-color: var(--yb-blue);
  background: rgba(26, 92, 255, 0.09);
  font-weight: 700;
}

.page-faq .faq-side__num {
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--yb-blue);
}

.page-faq .faq-side__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--yb-line);
  font-family: var(--yb-font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--yb-graphite);
}

.page-faq .faq-side__foot a {
  color: var(--yb-blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

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

.page-faq .faq-group {
  margin-top: clamp(36px, 5vw, 64px);
}

.page-faq .faq-group:first-child {
  margin-top: 0;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--yb-line);
}

.page-faq .faq-group__num {
  flex: none;
  padding: 3px 7px;
  font-family: var(--yb-font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--yb-blue);
  border-radius: var(--yb-radius);
}

.page-faq .faq-group__head .yb-h2 {
  margin: 0;
}

.page-faq .faq-list {
  margin-top: 8px;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  transition: background 0.2s var(--yb-ease);
}

.page-faq .faq-item[open] {
  background: var(--yb-sand);
  border-bottom-color: rgba(16, 24, 40, 0.1);
  padding-inline: 16px;
}

.page-faq .faq-item__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: start;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--yb-ink);
  font-family: var(--yb-font-sans);
  font-weight: 700;
  font-size: clamp(15px, 1.35vw, 16.5px);
  line-height: 1.6;
}

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

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--yb-blue);
  outline-offset: 2px;
}

.page-faq .faq-item__num {
  padding-top: 4px;
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--yb-graphite);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--yb-signal-deep);
}

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

.page-faq .faq-item__mark {
  position: relative;
  align-self: center;
  justify-self: end;
  width: 16px;
  height: 16px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--yb-graphite);
  transition: transform 0.18s var(--yb-ease), background 0.18s var(--yb-ease);
}

.page-faq .faq-item__mark::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--yb-blue);
}

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

.page-faq .faq-item__body {
  max-width: 66ch;
  padding: 2px 0 20px;
  font-family: var(--yb-font-serif);
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--yb-graphite);
}

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

.page-faq .faq-item__body > p + p {
  margin-top: 10px;
}

.page-faq .faq-item__body a {
  color: var(--yb-blue-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 92, 255, 0.45);
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  list-style: none;
  display: grid;
  gap: 8px;
  margin: 14px 0;
  padding: 12px 14px 12px 16px;
  border-left: 3px solid var(--yb-signal);
  border-radius: 0 var(--yb-radius) var(--yb-radius) 0;
  background: rgba(0, 194, 168, 0.1);
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 24px;
  font-family: var(--yb-font-sans);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--yb-ink);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--yb-font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--yb-signal-deep);
}

.page-faq .faq-breather {
  margin-top: clamp(36px, 5vw, 64px);
  padding: clamp(24px, 4vw, 40px);
  background: var(--yb-sand);
  border-radius: var(--yb-radius);
}

.page-faq .faq-breather__label {
  margin: 0 0 8px;
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--yb-signal-deep);
}

.page-faq .faq-breather p {
  margin: 0;
  max-width: 64ch;
  font-family: var(--yb-font-serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--yb-ink);
}

.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 24px;
}

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

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

.page-faq .faq-contact__panel {
  padding: 18px 18px 16px;
  border: 1px solid var(--yb-line);
  border-radius: var(--yb-radius);
  background: #fff;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--yb-line);
}

.page-faq .faq-contact__row:first-child {
  padding-top: 0;
}

.page-faq .faq-contact__key {
  flex: 0 0 72px;
  font-family: var(--yb-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--yb-signal-deep);
}

.page-faq .faq-contact__val {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--yb-font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--yb-ink);
  word-break: break-all;
}

.page-faq .faq-contact__row .yb-copy {
  flex: none;
}

.page-faq .faq-contact__meta {
  margin: 14px 0 0;
  font-family: var(--yb-font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--yb-graphite);
}

@media (min-width: 760px) {
  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }
}

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

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--yb-header-h) + 20px);
  }

  .page-faq .faq-item__body {
    padding-left: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-side__link,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after {
    transition: none;
  }
}