:root {
  --public-reading-width: 720px;
}

.hero,
.section,
.closing {
  width: min(var(--public-reading-width), calc(100% - 3rem));
}

.hero {
  padding-block: 2.75rem;
}

.section,
.closing {
  padding-block: 2.75rem;
}

.section-full {
  width: 100%;
  max-width: none;
  padding-inline: max(1.5rem, calc((100% - var(--public-reading-width)) / 2));
}

.section-heading,
.section-copy,
.human-copy,
.conversation-layer > * {
  max-width: var(--public-reading-width);
  margin-inline: auto;
}

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

.section-heading h2,
.human-copy h2,
.conversation-layer h2 {
  max-width: 20ch;
  margin-inline: auto;
}

.human-copy {
  text-align: left;
}

.human-copy p {
  margin: 0 0 1rem;
}

.human-copy p:last-child {
  margin-bottom: 0;
}

.conversation-layer {
  text-align: center;
}

.conversation-layer h2 {
  margin-bottom: 1rem;
}

.conversation-layer p {
  max-width: 42rem;
  margin: 0 auto 1rem;
  color: var(--text-muted-dark);
}

.conversation-layer p:last-child {
  margin-bottom: 0;
}

.conversation-link {
  color: var(--color-blue-200);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

@media (max-width: 900px) {
  .hero,
  .section,
  .closing {
    width: min(var(--public-reading-width), calc(100% - 2rem));
  }

  .section-full {
    width: 100%;
    padding-inline: 1rem;
  }
}