.nav-link-active {
  color: var(--color-brand-900);
  background: var(--color-brand-200);
}

.mobile-nav-link-active {
  background: var(--color-brand-200);
  border-color: var(--color-brand-200);
  color: var(--color-brand-900);
}

.measuring-hero {
  padding: 28px;
  gap: 22px;
  margin-bottom: 22px;
}

.measuring-hero-stack {
  gap: 14px;
}

.measuring-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

.measuring-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.measuring-card-kicker {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.measuring-card-title {
  margin: 0;
  font-size: 19px;
  line-height: 1.28;
  color: var(--color-brand-900);
}

.measuring-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-muted);
}

.measuring-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  align-items: start;
}

.measuring-article {
  padding: 28px;
}

.measuring-article .article-body {
  margin-top: 0;
  gap: 24px;
}

.measuring-article .article-section {
  gap: 8px;
}

.measuring-article .article-heading {
  font-size: 20px;
  line-height: 1.34;
}

.measuring-article .article-paragraph {
  font-size: 15px;
  line-height: 1.72;
}

.measuring-sidebar {
  padding: 22px;
  position: sticky;
  top: 20px;
}

.sidebar-link-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-route {
  color: var(--color-brand-900);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.5;
}

.sidebar-route:hover {
  text-decoration: underline;
}

.footer-links {
  row-gap: 8px;
}

@media (max-width: 1180px) {
  .measuring-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 980px) {
  .measuring-layout {
    grid-template-columns: 1fr;
  }

  .measuring-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .measuring-hero {
    padding: 24px;
  }

  .measuring-card-grid {
    grid-template-columns: 1fr;
  }

  .measuring-card {
    padding: 18px;
  }

  .measuring-article {
    padding: 24px;
  }
}