.section {
  position: relative;
  padding-block: var(--space-9);
}

.section--tight {
  padding-block: var(--space-7);
}

.section--ink {
  color: var(--color-white);
  background: var(--color-ink);
}

.section--white {
  background: var(--color-white);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(15rem, 4fr);
  gap: var(--grid-gap);
  align-items: end;
  margin-bottom: var(--space-7);
  padding-top: var(--space-4);
  border-top: 1px solid currentColor;
}

.section-heading h2 {
  max-width: 16ch;
  margin-bottom: 0;
  font-size: var(--text-xl);
}

.section-heading p {
  margin-bottom: 0;
}

.split-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(var(--space-6), 5vw, var(--space-9));
  align-items: start;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.page-intro {
  padding-block: var(--space-8) var(--space-7);
  border-bottom: 1px solid var(--color-hairline);
}

.page-intro h1 {
  max-width: 15ch;
  margin-bottom: var(--space-5);
  font-size: var(--text-2xl);
}

.page-intro__lead {
  max-width: 58ch;
  margin-bottom: 0;
  color: var(--color-ink-soft);
  font-size: var(--text-lg);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(16rem, 4fr);
  gap: clamp(var(--space-6), 5vw, var(--space-9));
}

.content-grid__main > * + * {
  margin-top: var(--space-5);
}

.content-grid__aside {
  position: sticky;
  top: 9rem;
  align-self: start;
}

@media (max-width: 800px) {
  .section {
    padding-block: var(--space-8);
  }

  .section-heading,
  .split-layout,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .content-grid__aside {
    position: static;
  }
}