* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  color: #111;
  background: #f4ead6;
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px;
}

h1 {
  margin: 0 0 32px;
  font-size: 28px;
  font-weight: 400;
  line-height: 1.25;
}

h2 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.35;
}

p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.55;
}

figure {
  margin: 24px 0 28px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

figcaption {
  margin-top: 10px;
  color: #555;
  font-size: 14px;
  line-height: 1.45;
}

section {
  margin: 0 0 32px;
}

.toc {
  margin-bottom: 40px;
}

.toc p {
  color: #555;
  font-size: 14px;
}

.references {
  margin: 0 0 32px;
  padding-left: 22px;
}

.references li {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.5;
}

.math-block {
  margin: 16px 0;
}

.mjx-container {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 0;
}

nav {
  display: grid;
  gap: 14px;
}

a {
  width: fit-content;
  color: #111;
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: #555;
}