:root {
  --faq-hero-top: 88px;
  --faq-hero-bottom: 76px;
  --faq-nav-gap: 32px;
  --faq-nav-padding: 34px;
  --faq-category-gap: 64px;
  --faq-category-column: 320px;
  --faq-index-size: 48px;
  --faq-anchor-height: 44px;
  --faq-answer-measure: 760px;
}

.faq-hero {
  padding-top: var(--faq-hero-top);
  padding-bottom: var(--faq-hero-bottom);
  text-align: center;
}

.faq-hero .reading-wrap {
  display: flex;
  align-items: center;
  flex-direction: column;
}

.faq-hero h1 {
  max-width: var(--reading-width);
  font-size: clamp(34px, 3.3vw, 48px);
}

.faq-hero .lead {
  margin-right: auto;
  margin-left: auto;
}

.faq-hero .chip-list {
  justify-content: center;
  margin-top: 10px;
}

.faq-navigation-section {
  padding-top: 0;
  padding-bottom: 40px;
}

.faq-navigation-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--faq-nav-gap);
  padding: var(--faq-nav-padding);
  align-items: center;
  border-radius: var(--radius-2xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-soft);
}

.faq-navigation-panel h2 {
  margin-bottom: 10px;
  font-size: 28px;
}

.faq-navigation-panel p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--color-muted);
}

.faq-category-nav {
  display: flex;
  max-width: 100%;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.faq-category-nav a {
  display: inline-flex;
  min-height: var(--faq-anchor-height);
  align-items: center;
  justify-content: center;
  padding-right: 16px;
  padding-left: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-muted);
  font-size: 14px;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.faq-category-nav a:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.faq-category-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--faq-category-column)) minmax(0, 1fr);
  gap: var(--faq-category-gap);
  align-items: start;
}

.faq-category-intro {
  position: sticky;
  top: 28px;
}

.faq-category-index {
  display: inline-flex;
  width: var(--faq-index-size);
  height: var(--faq-index-size);
  margin-bottom: 24px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  color: var(--color-panel);
  box-shadow: var(--shadow-button);
  font-size: 13px;
  font-weight: 600;
}

.faq-category-intro h2 {
  font-size: 30px;
}

.faq-category-intro p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.faq-category-section .faq-list {
  min-width: 0;
}

.faq-category-section .faq-item {
  box-shadow: 0 12px 32px var(--color-shadow-light);
}

.faq-category-section .faq-answer p {
  max-width: var(--faq-answer-measure);
  line-height: 1.85;
}

.faq-next-steps {
  padding-top: 72px;
}

.faq-next-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
}

.faq-next-panel p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-muted);
}

@media (max-width: 980px) {
  :root {
    --faq-category-gap: 36px;
    --faq-category-column: 250px;
  }

  .faq-navigation-panel {
    grid-template-columns: 1fr;
  }

  .faq-category-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  :root {
    --faq-hero-top: 64px;
    --faq-hero-bottom: 56px;
    --faq-nav-padding: 24px;
    --faq-category-gap: 28px;
  }

  .faq-hero h1 {
    font-size: clamp(24px, 7vw, 30px);
  }

  .faq-category-layout,
  .faq-next-panel {
    grid-template-columns: 1fr;
  }

  .faq-category-intro {
    position: static;
  }

  .faq-category-intro h2 {
    font-size: 28px;
  }

  .faq-category-index {
    margin-bottom: 18px;
  }

  .faq-next-panel {
    gap: 24px;
  }
}

@media (max-width: 640px) {
  :root {
    --faq-nav-padding: 20px;
    --faq-anchor-height: 42px;
  }

  .faq-navigation-section {
    padding-bottom: 24px;
  }

  .faq-category-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .faq-category-nav a {
    padding-right: 10px;
    padding-left: 10px;
  }

  .faq-category-section .faq-item summary {
    padding: 15px 16px;
  }

  .faq-category-section .faq-answer {
    padding-right: 16px;
    padding-left: 16px;
  }

  .faq-next-steps {
    padding-top: 56px;
  }
}