.book-banner {
  background-color: rgb(178, 0, 0);
  color: #fff;
  padding-block: 4rem;
}

.book-banner__content {
  padding-inline: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.book-banner__heading {
  font-size: 1.875rem;
  line-height: calc(2.25 / 1.875);
  text-transform: uppercase;
  font-weight: 600;
}

.book-banner__copy {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.book-banner__text {
  line-height: 1.75;
  max-width: 40rem;
}

@media (min-width: 768px) {
  .book-banner__content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }

  .book-banner__cta {
    flex-shrink: 0;
  }
}