@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-regular.woff2") format("woff2");
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-italic.woff2") format("woff2");
  font-style: italic;
  font-display: swap;
}

html {
  font: 1.125rem/1.5 "Instrument Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}

body {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1rem 4rem;
  background: #fff;
  color: #000;
}

a {
  color: inherit;
}

a:hover {
  color: #666;
}

body > header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 2rem;
  padding: 1rem 0;
  margin-bottom: 4rem;
  border-bottom: 1px solid #000;
}

body > header > a {
  font-size: 1.5rem;
}

body > header a {
  text-decoration: none;
}

body > header a:hover {
  color: inherit;
  text-decoration: underline;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1rem;
}

h1, h2, h3 {
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.25;
}

h1 {
  margin: 0 0 2rem;
}

h2 {
  margin: 4rem 0 1rem;
}

main ul {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

main li {
  margin: 1rem 0;
}

main li ul {
  margin: 0.5rem 0 0.5rem 2rem;
}

main li li {
  margin: 0.5rem 0;
}

figure {
  margin: 2rem 0;
}

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

figcaption {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: #666;
}