:root {
  --faq-hero-space-top: clamp(48px, 7vw, 92px);
  --faq-hero-space-bottom: clamp(64px, 8vw, 112px);
  --faq-content-gap: clamp(68px, 8vw, 108px);
  --faq-category-gap: clamp(54px, 7vw, 88px);
  --faq-route-size: 46px;
  --faq-number-size: 38px;
}

.faq-hero {
  padding-top: var(--faq-hero-space-top);
  padding-bottom: var(--faq-hero-space-bottom);
}

.faq-hero::before {
  position: absolute;
  top: -38%;
  right: -14%;
  width: min(72vw, 980px);
  height: min(72vw, 980px);
  border-radius: var(--radius-pill);
  background: var(--gradient-glow);
  content: "";
  pointer-events: none;
}

.faq-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(400px, 1.12fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
}

.faq-hero-copy {
  position: relative;
  z-index: 1;
}

.faq-hero-copy h1 {
  max-width: 680px;
  margin-top: 24px;
}

.faq-hero-lead {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.75;
}

.faq-route {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.faq-route-head {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--color-line);
  padding: 14px 22px;
  background: var(--color-panel);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 750;
}

.faq-route-head code {
  color: var(--color-brand-deep);
  font-size: 11px;
  font-weight: 650;
}

.faq-route-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 10px 22px 14px;
  list-style: none;
}

.faq-route-list li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
}

.faq-route-list li + li {
  border-top: 1px solid var(--color-line);
}

.faq-route-index {
  display: inline-flex;
  width: var(--faq-route-size);
  height: var(--faq-route-size);
  flex: 0 0 var(--faq-route-size);
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 750;
}

.faq-route-list div {
  min-width: 0;
}

.faq-route-list strong,
.faq-route-list small {
  display: block;
}

.faq-route-list strong {
  margin-bottom: 2px;
  color: var(--color-ink);
  font-size: 15px;
}

.faq-route-list small {
  color: var(--color-muted);
  font-size: 13px;
}

.faq-content {
  padding-top: clamp(34px, 5vw, 64px);
  padding-bottom: var(--faq-content-gap);
}

.faq-content .toc {
  top: 12px;
  margin-bottom: var(--faq-category-gap);
}

.faq-category {
  scroll-margin-top: calc(var(--header-height) + 82px);
}

.faq-category + .faq-category {
  padding-top: var(--faq-category-gap);
}

.faq-category-head {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 1.15fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 28px;
}

.faq-category-head > div {
  display: grid;
  grid-template-columns: var(--faq-number-size) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}

.faq-category-head h2 {
  margin-bottom: 0;
}

.faq-category-head p {
  max-width: 560px;
  margin: 0;
  color: var(--color-muted);
}

.faq-category-number {
  display: inline-flex;
  width: var(--faq-number-size);
  height: var(--faq-number-size);
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
}

.faq-category .faq-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.faq-category .faq-item {
  min-width: 0;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.faq-category .faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.faq-category .faq-item[open] {
  border-color: var(--color-brand);
}

.faq-category .faq-item summary {
  min-height: 76px;
  line-height: 1.55;
}

.faq-category .faq-answer {
  color: var(--color-muted);
  line-height: 1.82;
}

.faq-category .faq-answer code {
  color: var(--color-brand-deep);
}

.faq-final-note {
  margin-top: 30px;
  margin-bottom: 0;
}

@media (max-width: 960px) {
  .faq-hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .faq-hero-copy {
    max-width: 720px;
  }

  .faq-route {
    max-width: 720px;
  }
}

@media (max-width: 760px) {
  .faq-category-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .faq-category .faq-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .faq-hero {
    padding-top: 38px;
  }

  .faq-hero::before {
    top: -10%;
    right: -70%;
    width: 170vw;
    height: 170vw;
  }

  .faq-hero-grid {
    gap: 40px;
  }

  .faq-hero-copy h1 {
    margin-top: 20px;
  }

  .faq-hero-lead {
    font-size: 16px;
  }

  .faq-route-head {
    align-items: flex-start;
    flex-direction: column;
    padding: 15px 17px;
  }

  .faq-route-head code {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .faq-route-list {
    padding-right: 17px;
    padding-left: 17px;
  }

  .faq-content .toc {
    top: 8px;
  }

  .faq-category {
    scroll-margin-top: calc(var(--header-height) + 72px);
  }

  .faq-category-head > div {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }

  .faq-category-number {
    width: 34px;
    height: 34px;
  }

  .faq-category .faq-item summary {
    min-height: 68px;
  }
}