/* Keep this minimal; expand as you iterate. */

.pdf-embed object {
  width: 100%;
  height: 95vh;
  border: 0;
}

/* Zen reading width: roughly an A4 page. */
main.content {
  max-width: 210mm;
  margin-left: auto;
  margin-right: auto;
}

/* Let PDF embeds be wider than the text column (but still responsive). */
.pdf-embed {
  width: min(260mm, calc(100vw - 2rem));
  margin-left: 50%;
  transform: translateX(-50%);
}