/*
 * Adapted from parts of https://github.com/edwardtufte/tufte-css
 * which is under the MIT License, © 2014 David Liepmann
 */

@charset "UTF-8";

/* Import ET Book styles
   adapted from https://github.com/edwardtufte/et-book/blob/gh-pages/et-book.css */

@font-face {
  font-family: "et-book";
  src: url("et-book/et-book-roman-line-figures.woff") format("woff");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "et-book";
  src: url("et-book/et-book-display-italic-old-style-figures.woff")
    format("woff");
  font-weight: normal;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "et-book";
  src: url("et-book/et-book-bold-line-figures.woff") format("woff");
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

/* Tufte CSS styles */
html {
  font-size: 13pt;
}

body {
  font-family:
    et-book, Palatino, "Palatino Linotype", "Palatino LT STD", "Book Antiqua",
    Georgia, serif;
  background-color: #fffff8;
  color: #111;
}

/* Adds dark mode */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #151515;
    color: #ddd;
  }
}

h1 {
  font-weight: 400;
  margin-top: 4rem;
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
  line-height: 1;
}

article {
  margin: 0 auto;
  max-width: 50em;
}