.faq-hero {
  padding-top: clamp(64px, 9vw, 108px);
  padding-bottom: clamp(44px, 7vw, 76px);
  border-bottom: 1px solid var(--color-border);
}

.faq-hero .wrap {
  max-width: calc(var(--reading-width) + var(--gutter) * 2);
}

.faq-hero h1 {
  max-width: 760px;
  margin-bottom: 18px;
}

.faq-lead {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--color-muted);
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.75;
}

.faq-nav-wrap {
  position: relative;
  z-index: 12;
  margin-top: 20px;
}

.faq-nav-wrap .toc {
  justify-content: center;
}

.faq-diagnostic {
  padding-top: clamp(56px, 7vw, 84px);
}

.faq-diagnostic .section-head {
  margin-bottom: 28px;
}

.faq-category-layout {
  display: grid;
  grid-template-columns: minmax(210px, 300px) minmax(0, 1fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: start;
}

.faq-category-head {
  position: relative;
  min-width: 0;
  padding-top: 12px;
}

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

.faq-index {
  display: block;
  margin-bottom: 18px;
  color: var(--color-border);
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

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

.faq-category .faq-answer p {
  margin-bottom: 0;
}

.faq-category .faq-item[open] summary {
  color: var(--color-accent-dark);
}

.faq-next {
  padding-top: clamp(56px, 7vw, 84px);
}

.faq-next-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
}

.faq-next-panel h2 {
  margin-bottom: 12px;
}

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

.faq-next-panel .button-row {
  justify-content: flex-end;
}

@media (max-width: 900px) {
  .faq-category-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .faq-category-head {
    max-width: 680px;
    padding-top: 0;
  }

  .faq-index {
    margin-bottom: 12px;
    font-size: 34px;
  }

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

  .faq-next-panel .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .faq-hero {
    padding-top: 56px;
    padding-bottom: 42px;
  }

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

  .faq-category .faq-answer {
    padding-right: 24px;
  }

  .faq-index {
    font-size: 30px;
  }

  .faq-next-panel .button-row {
    width: 100%;
  }
}