.page-faq {
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  padding: 160px 0 64px;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(100,255,218,.08), transparent 60%),
    linear-gradient(180deg, #0A192F 0%, #101E35 100%);
  border-bottom: 1px solid rgba(100,255,218,.15);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, #64FFDA 40%, #FF9F1C 100%);
  opacity: .6;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-faq .faq-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--color-muted);
  font-family: var(--font-number);
}

.page-faq .faq-hero__breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.page-faq .faq-hero__breadcrumb a:hover {
  color: var(--color-accent);
}

.page-faq .faq-hero__breadcrumb span[aria-current="page"] {
  color: var(--color-text);
}

.page-faq .faq-hero h1 {
  margin: 16px 0 20px;
  font-family: var(--font-headline);
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: .02em;
  color: var(--color-text);
  text-transform: uppercase;
}

.page-faq .faq-hero__lead {
  max-width: 580px;
  margin: 0;
  color: var(--color-muted);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-faq .faq-hero__visual::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(100,255,218,.18), rgba(255,159,28,.12));
  filter: blur(18px);
}

.page-faq .faq-hero__img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-lg);
  border: var(--border-metal);
  box-shadow: var(--shadow-float);
  object-fit: cover;
}

.page-faq .faq-qna {
  padding: 72px 0 32px;
  background: var(--color-bg);
}

.page-faq .faq-qna__heading {
  margin-bottom: 36px;
}

.page-faq .faq-qna__heading h2 {
  margin: 12px 0 10px;
  font-family: var(--font-headline);
  font-size: clamp(28px, 4vw, 40px);
  color: var(--color-text);
  letter-spacing: .02em;
}

.page-faq .faq-qna__heading p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.7;
  max-width: 640px;
}

.page-faq .faq-tabs {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-tabs__labels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-faq .faq-tabs__label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-2);
  border: 1px solid rgba(192,192,192,.18);
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
}

.page-faq .faq-tabs__label:hover {
  border-color: rgba(100,255,218,.4);
  color: var(--color-text);
}

.page-faq .faq-tabs__num {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-muted);
  transition: color var(--transition-base);
}

.page-faq .faq-tabs__radio:focus-visible ~ .faq-tabs__labels .faq-tabs__label {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-export"],
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-subscribe"],
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-usage"],
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-docs"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #0A192F;
  box-shadow: 0 8px 30px rgba(100,255,218,.22);
}

.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-export"] .faq-tabs__num,
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-subscribe"] .faq-tabs__num,
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-usage"] .faq-tabs__num,
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__labels .faq-tabs__label[for="faq-tab-docs"] .faq-tabs__num {
  color: #0A192F;
}

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

.page-faq .faq-tabs__panel {
  display: none;
  animation: faq-fade-up .5s ease both;
}

.page-faq .faq-tabs__radio:checked ~ .faq-tabs__panels .faq-panel-export { display: block; }
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__panels .faq-panel-subscribe { display: block; }
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__panels .faq-panel-usage { display: block; }
.page-faq .faq-tabs__radio:checked ~ .faq-tabs__panels .faq-panel-docs { display: block; }

.page-faq .faq-item {
  background: var(--color-bg-2);
  border: 1px solid rgba(192,192,192,.14);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition-base), background var(--transition-base);
}

.page-faq .faq-item[open] {
  border-color: rgba(100,255,218,.35);
  background: linear-gradient(135deg, rgba(100,255,218,.05), transparent 60%), var(--color-bg-2);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 18px;
  user-select: none;
  transition: background var(--transition-base);
}

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

.page-faq .faq-item summary:hover {
  background: rgba(100,255,218,.04);
}

.page-faq .faq-item__index {
  font-family: var(--font-number);
  font-size: 12px;
  color: var(--color-accent);
  border: 1px solid rgba(100,255,218,.35);
  border-radius: var(--radius-pill);
  padding: 4px 8px;
  min-width: 32px;
  text-align: center;
  flex-shrink: 0;
  line-height: 1.4;
}

.page-faq .faq-item__question {
  flex: 1;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-item__toggle {
  position: relative;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.page-faq .faq-item__toggle::before,
.page-faq .faq-item__toggle::after {
  content: "";
  position: absolute;
  background: var(--color-muted);
  border-radius: 2px;
  transition: transform var(--transition-base), background var(--transition-base);
}

.page-faq .faq-item__toggle::before {
  width: 12px;
  height: 2px;
  top: 10px;
  left: 5px;
}

.page-faq .faq-item__toggle::after {
  width: 2px;
  height: 12px;
  top: 5px;
  left: 10px;
}

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

.page-faq .faq-item[open] .faq-item__toggle::before {
  background: var(--color-accent);
}

.page-faq .faq-item__answer {
  padding: 0 20px 22px 20px;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-item__answer p {
  margin: 0;
}

.page-faq .faq-item__answer a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__answer a:hover {
  color: var(--color-highlight);
}

.page-faq .faq-docs-guide {
  position: relative;
  padding: 64px 0;
  background: linear-gradient(135deg, #101E35 0%, #0A192F 100%);
  border-top: 1px solid rgba(255,159,28,.18);
  border-bottom: 1px solid rgba(192,192,192,.14);
}

.page-faq .faq-docs-guide::before {
  content: "DOCS";
  position: absolute;
  top: 8px;
  right: 12px;
  font-family: var(--font-headline);
  font-size: 120px;
  letter-spacing: .08em;
  line-height: 1;
  color: rgba(255,255,255,.03);
  pointer-events: none;
}

.page-faq .faq-docs-guide__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-faq .faq-docs-guide__content h2 {
  margin: 12px 0 14px;
  font-family: var(--font-headline);
  font-size: clamp(26px, 4vw, 38px);
  color: var(--color-text);
  line-height: 1.15;
}

.page-faq .faq-docs-guide__content p {
  margin: 0 0 24px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 540px;
}

.page-faq .faq-docs-guide__visual {
  position: relative;
}

.page-faq .faq-docs-guide__visual::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px dashed rgba(255,159,28,.3);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.page-faq .faq-docs-guide__visual img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  border: var(--border-metal);
  object-fit: cover;
}

.page-faq .faq-cta {
  padding: 56px 0 32px;
  background: var(--color-bg);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  padding: 36px;
  background: var(--color-bg-2);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(192,192,192,.18);
}

.page-faq .faq-cta__inner h2 {
  margin: 10px 0 8px;
  font-family: var(--font-headline);
  font-size: clamp(24px, 3.5vw, 34px);
  color: var(--color-text);
}

.page-faq .faq-cta__inner p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-cta__legal {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(192,192,192,.1);
  margin-top: 32px;
}

.page-faq .faq-cta__legal a {
  font-size: 13px;
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--transition-base);
}

.page-faq .faq-cta__legal a:hover {
  color: var(--color-accent);
}

@keyframes faq-fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 180px 0 88px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
  }

  .page-faq .faq-hero h1 {
    font-size: 66px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-qna {
    padding: 96px 0 48px;
  }

  .page-faq .faq-qna__heading {
    margin-bottom: 48px;
  }

  .page-faq .faq-tabs {
    grid-template-columns: 280px 1fr;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-tabs__labels {
    grid-template-columns: 1fr;
    gap: 12px;
    position: sticky;
    top: calc(var(--header-height) + 20px);
  }

  .page-faq .faq-tabs__label {
    justify-content: flex-start;
    padding: 16px 22px;
    font-size: 15px;
  }

  .page-faq .faq-item summary {
    padding: 24px 28px;
    gap: 18px;
  }

  .page-faq .faq-item__answer {
    padding: 0 28px 26px 78px;
  }

  .page-faq .faq-docs-guide {
    padding: 88px 0;
  }

  .page-faq .faq-docs-guide__inner {
    grid-template-columns: 1fr .9fr;
    gap: 56px;
  }

  .page-faq .faq-docs-guide__content p {
    font-size: 16px;
  }

  .page-faq .faq-cta {
    padding: 72px 0 40px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: 1fr auto;
    padding: 44px 48px;
  }
}