/* ---------- Base white background ---------- */
.reveal-viewport,
.reveal,
.reveal .slides {
  background: #ffffff !important;
}

/* ---------- Global text (all serif) ---------- */
.reveal,
.reveal p,
.reveal li,
.reveal table,
.reveal td,
.reveal th,
.reveal small,
.reveal code {
  font-family: "Garamond", "Times New Roman", "Book Antiqua", Palatino, serif !important;
  font-weight: 300;        /* thinner weight */
  color: #333333;          /* charcoal gray */
  line-height: 1.5;
  letter-spacing: 0.2px;
}

/* ---------- Headings ---------- */
.reveal h1, .reveal h2, .reveal h3, .reveal h4 {
  font-family: "Garamond", "Times New Roman", "Book Antiqua", Palatino, serif !important;
  font-weight: 400;        /* light/medium weight */
  color: #222222;
  letter-spacing: 0.5px;
}

/* ---------- Bold & emphasis ---------- */
.reveal strong, .reveal b {
  font-weight: 600;        /* slightly thicker for contrast */
  color: #111111;
}

/* ---------- Links ---------- */
.reveal a {
  color: #004c99;
  text-decoration: none;
}
.reveal a:hover {
  color: #00264d;
  text-decoration: underline;
}

/* ---------- Code blocks ---------- */
.reveal pre code {
  font-family: "Courier New", Courier, monospace !important;
  background-color: #f5f5f5;
  color: #333333;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.9em;
  line-height: 1.4;
}

/* ---------- Images ---------- */
.reveal section img {
  display: block;
  margin: 1.2em auto;
  border-radius: 0;     /* no rounding */
  box-shadow: none;     /* no shadow or background */
  max-width: 90%;
  background: none;     /* explicitly remove any background */
}