:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #555555;
  --rule: #dddddd;
  --link: #1a4f8b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161616;
    --fg: #e6e6e6;
    --muted: #a6a6a6;
    --rule: #333333;
    --link: #8ab4e8;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

h1, h2, h3 { line-height: 1.25; }

h1 { font-size: 1.75rem; margin: 0 0 1.5rem; }
h2 { font-size: 1rem; letter-spacing: 0.06em; margin: 2rem 0 1rem; }
h3 { font-size: 1.0625rem; margin: 1.5rem 0 0.5rem; }

p { margin: 0 0 1rem; }

ul { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin-bottom: 0.4rem; }

a { color: var(--link); text-underline-offset: 0.15em; }
h1 a { color: inherit; text-decoration: none; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

.contact { color: var(--muted); }
.contact a { overflow-wrap: anywhere; }

.when { color: var(--muted); white-space: nowrap; }