*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-text: #000000;
  --color-muted: #666666;
  --color-brand: #ff0000;
  --color-bg: #ffffff;
  --sidebar-width: 20rem;
  --font-sans: Arial, Helvetica, sans-serif;
  --line-height: 1.5;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: var(--line-height);
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-muted);
  text-decoration: underline;
}

a:hover,
a:focus-visible {
  color: var(--color-text);
}

a:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--color-text);
  color: var(--color-bg);
}

.skip-link:focus {
  left: 0;
}

.site {
  display: flex;
  flex-wrap: wrap;
  min-height: 100vh;
}

.site-nav {
  flex: 0 0 var(--sidebar-width);
  max-width: 100%;
  padding: 1.5rem 1.25rem 2rem;
  border-right: 1px solid #e8e8e8;
}

.site-nav__utility {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-size: 0.8125rem;
}

.site-nav__utility li {
  display: inline;
}

.site-nav__utility li:not(:last-child)::after {
  content: " · ";
  color: var(--color-muted);
  text-decoration: none;
}

.site-nav__utility a {
  text-decoration: underline;
}

.site-nav__brand {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  font-weight: normal;
  color: var(--color-brand);
  text-decoration: underline;
}

.site-nav__section-title {
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
  font-weight: normal;
  color: var(--color-muted);
  text-decoration: underline;
}

.site-nav__works {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.site-nav__works li {
  display: inline;
}

.site-nav__works li:not(:last-child)::after {
  content: ", ";
}

.site-nav__code {
  margin: 1rem 0 1.5rem;
}

.site-nav__code img {
  width: 14.125rem;
  max-width: 100%;
  height: auto;
}

.site-nav__news-title {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: normal;
}

.site-nav__news {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
}

.site-nav__news li {
  margin-bottom: 0.75rem;
}

.site-main {
  flex: 1 1 20rem;
  min-width: 0;
  padding: 1.5rem 1.5rem 2.5rem;
}

.site-main__hero {
  margin: 0;
}

.site-main h1 {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: normal;
  color: var(--color-muted);
}

.site-main__notice {
  margin: 0;
  max-width: 40rem;
  font-size: 0.875rem;
  color: var(--color-muted);
}

@media (max-width: 640px) {
  .site-nav {
    flex: 1 1 100%;
    border-right: none;
    border-bottom: 1px solid #e8e8e8;
  }

  .site-main {
    padding: 1.25rem 1rem 2rem;
  }
}