section {
  padding: 3.75em 5%;
}

.cta-button {
  display: inline-block;
  padding: 12px 25px;
  margin-top: 15px;
  background-color: var(--color-cta-accent);
  color: white;
  font-family: var(--font-body);
  font-weight: 700;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.1s ease;
  box-shadow: 0 4px 15px rgba(204, 0, 0, 0.4);
  letter-spacing: 1px;
}

.cta-button:hover {
  background-color: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(204, 0, 0, 0.6);
}

/* --- NEW: BOOK DETAILS SECTION --- */
#book-details {
  padding-top: 80px;
  padding-bottom: 80px;
  background: var(--color-bg-secondary) url("placeholder-book-page-bg.jpg")
    center/cover no-repeat fixed; /* Subtle background */
  background-blend-mode: multiply;
  background-color: rgba(29, 29, 29, 0.8); /* Darken background image */
}

.book-detail-grid {
  display: flex;
  gap: 50px;
  align-items: flex-start; /* Align content to the top */
  flex-wrap: wrap; /* Allow wrapping on smaller screens */
  background-color: rgba(18, 18, 18, 0.9);
  padding: 40px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

.book-cover-large {
  flex: 0 0 350px; /* Fixed width for cover */
  max-width: 100%; /* Ensure it doesn't overflow */
  text-align: center;
}

.book-cover-large img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  border: 2px solid var(--color-gold-highlight);
}

.book-info {
  flex: 1; /* Takes remaining space */
  min-width: 300px; /* Ensures text content doesn't get too narrow */
}

.book-info h1 {
  font-size: clamp(2.2em, 4vw, 3em);
  color: var(--color-gold-highlight);
  margin-bottom: 15px;
  line-height: 1.2;
}

.book-info h2 {
  font-size: 1.5em;
  color: var(--color-text-heading);
  margin-top: 30px;
  margin-bottom: 15px;
}

.book-info p {
  margin-bottom: 1em;
  font-size: 1.05em;
}

.book-info .book-blurb {
  font-style: italic;
  margin-bottom: 25px;
  color: var(--color-text-body);
}

.book-info ul {
  padding-left: 1em;
}

.book-buy-options {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

/* Specific style for a 'Get Free Book' button if applicable */
.cta-free-book {
  background-color: #008000; /* Green for 'free' */
  box-shadow: 0 4px 15px rgba(0, 128, 0, 0.4);
}
.cta-free-book:hover {
  background-color: #00b300;
}

@media (max-width: 480px) {
  .book-detail-grid {
    padding: 20px;
  }
  .book-cover-large img {
    max-width: 200px;
  }
}