:root {
  --book-accent: #7a4b2a;
}

.quarto-title-block .quarto-title-banner {
  background: linear-gradient(135deg, #f7efe3, #efe0cb);
  color: #3d2a1c;
}

.quarto-title-block .title {
  letter-spacing: 0.02em;
}

.sidebar-title {
  color: var(--book-accent);
}

.chapter-title,
h1,
h2,
h3 {
  color: #4c3424;
}

.page-columns .content {
  line-height: 1.8;
}

blockquote {
  border-left-color: var(--book-accent);
}