:root {
  color-scheme: dark;
  font-family: "Courier New", Courier, monospace;
  font-size: 16px;
  background: #000;
  color: #eee;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  line-height: 1.6;
}

.site-shell {
  max-width: 680px;
  margin: 3rem auto;
  padding-inline: 1.25rem;
}

a { color: #ffa500; text-underline-offset: 0.15em; }
a:visited { color: #d9ad6b; }
a:hover { color: #000; background: #ffa500; }
a:focus-visible { outline: 2px solid #ffa500; outline-offset: 4px; }
::selection { color: #000; background: #ffa500; }

.site-header { padding-bottom: 1.5rem; border-bottom: 1px solid #666; }
.site-title { margin: 0; font-size: 2rem; font-weight: bold; line-height: 1.2; }
.site-title a, .site-title a:visited { color: #eee; }
.site-description { margin-block: 0.75rem 1rem; color: #bbb; }
nav ul { margin: 0; padding: 0; list-style: none; }
nav li { display: inline; }
nav li + li::before { content: " / "; color: #999; white-space: pre; }
nav a[aria-current="page"] { color: #eee; }

main > article, main > section { padding-block: 1.75rem; }
main > * + * { border-top: 1px solid #666; }
h1, h2 { line-height: 1.3; }
h1 { font-size: 1.5rem; }
h2 { margin: 0 0 1rem; font-size: 1.25rem; }
p { margin-block: 0 1rem; }
p:last-child { margin-bottom: 0; }
.small-print { color: #bbb; font-size: 0.875rem; }
img { display: block; max-width: 100%; height: auto; }

.site-footer { padding-top: 1rem; border-top: 1px solid #666; color: #bbb; font-size: 0.8125rem; }

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.25rem 0.5rem;
  background: #000;
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }

@media (max-width: 480px) {
  .site-shell { margin-block: 1.5rem; }
}