.book-intro {
  background: var(--bg-grid);
  border-radius: 6px;
  padding: 1.5em 1.5em 0.5em;
  margin-bottom: 1.5em;
  overflow: hidden;
}

.book-intro img {
  float: right;
  max-width: 30% !important;
  margin-left: 1.5em;
  margin-bottom: 1em;
}

.book-intro h3 {
  margin: 0;
}

.newsletter-signup {
  background: var(--color-cream);
  border-radius: 6px;
  padding: 1.25em 1.5em;
  margin: 1.5em 0;
}

.newsletter-signup p {
  margin-top: 0;
}

.newsletter-signup form {
  display: flex;
  gap: 0.5em;
  flex-wrap: wrap;
}

.newsletter-signup input[type="email"] {
  flex: 1 1 200px;
  padding: 0.4em 0.75em;
  border: 1px solid var(--color-beige);
  border-radius: 4px;
  font-size: 1em;
  background: var(--bg);
  color: var(--color-darkgray);
}

.newsletter-signup button {
  padding: 0.4em 1em;
  background: var(--color-teal);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1em;
  cursor: pointer;
  white-space: nowrap;
}

.newsletter-signup button:hover {
  opacity: 0.85;
}

.book-intro .newsletter-signup {
  font-size: 75%;
}

h1 {
  display: none;
}