/* Typography: make it feel like a professional manual */
body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
}

/* Subtle color for headings */
h1, h2, h3 {
  color: #1f3a5f;  /* deep clinical blue */
}

/* Callouts look like regulatory guidance */
.callout {
  border-left-width: 4px;
  background-color: #f8fafc;
}

/* Clean tables */
table {
  font-size: 0.95em;
}

/* Center the book cover image */
.book-cover img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 70%;
}