.faq-hero {
  padding-top: clamp(64px, 9vw, 112px);
  padding-bottom: clamp(70px, 9vw, 116px);
  overflow-x: clip;
}

.faq-hero__copy {
  max-width: 830px;
  margin-inline: auto;
  text-align: center;
}

.faq-hero__copy h1 {
  max-width: 780px;
  margin-inline: auto;
  font-size: clamp(34px, 3.5vw, 48px);
}

.faq-hero__copy > p {
  max-width: 760px;
  margin: 24px auto 0;
  color: var(--color-muted);
  font-size: clamp(16px, 1.6vw, 19px);
}

.faq-hero__copy .button-row {
  margin-top: 28px;
}

.faq-title-mark {
  position: relative;
  display: inline-block;
  margin-left: 0.16em;
  white-space: nowrap;
}

.faq-title-mark svg {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 12px;
  overflow: visible;
}

.faq-title-mark path {
  fill: none;
  stroke: var(--color-accent);
  stroke-linecap: round;
  stroke-width: 4;
}

.faq-category-nav {
  max-width: 640px;
  margin: 48px auto 0;
}

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

.faq-route {
  margin-top: 54px;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  background: var(--color-panel);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.faq-route > div {
  position: relative;
}

.faq-route > div + div::before {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: -12px;
  width: 1px;
  background: var(--color-line);
  content: "";
}

.faq-route span {
  display: block;
  margin-bottom: 10px;
  color: var(--color-accent-deep);
  font: 700 12px/1.4 var(--font-mono);
}

.faq-route strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
}

.faq-route p {
  margin: 0;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.7;
}

.faq-section {
  scroll-margin-top: calc(var(--header-height) + 18px);
}

.faq-section__heading {
  max-width: 700px;
  margin: 0 auto 44px;
  text-align: center;
}

.faq-section__heading p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: 17px;
}

.faq-section .faq-list {
  max-width: 900px;
  margin-inline: auto;
}

.faq-section .faq-item {
  box-shadow: var(--shadow-card);
}

.faq-section .faq-answer {
  padding-right: clamp(24px, 5vw, 58px);
  padding-left: 24px;
  color: var(--color-muted);
}

.faq-section .faq-answer p {
  line-height: 1.85;
}

.faq-followup {
  max-width: 900px;
  margin: 54px auto 0;
  padding: clamp(26px, 4vw, 42px);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--color-ink);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-float);
}

.faq-followup > div {
  max-width: 650px;
}

.faq-followup h2 {
  margin-bottom: 10px;
  color: var(--color-on-dark);
  font-size: clamp(24px, 3vw, 34px);
}

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

.faq-followup .button {
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .faq-route {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .faq-route > div + div::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .faq-hero__copy h1 {
    font-size: clamp(24px, 7.5vw, 30px);
  }

  .faq-section__heading {
    margin-bottom: 32px;
  }

  .faq-section__heading p {
    font-size: 16px;
  }
}

@media (max-width: 640px) {
  .faq-hero {
    padding-top: 54px;
    padding-bottom: 76px;
  }

  .faq-category-nav {
    margin-top: 38px;
  }

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

  .faq-route {
    margin-top: 38px;
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .faq-route > div {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--color-line);
  }

  .faq-route > div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .faq-section .faq-item summary {
    padding-right: 54px;
    padding-left: 20px;
    font-size: 16px;
  }

  .faq-section .faq-answer {
    padding-right: 20px;
    padding-left: 20px;
  }

  .faq-followup {
    align-items: flex-start;
    flex-direction: column;
  }
}