:root {
  --bg: #fbfaf7;
  --text: #1f1d1a;
  --muted: #6b665e;
  --rule: #e4e0d8;
  --link: #1d5fa8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --text: #e8e5df;
    --muted: #9a958c;
    --rule: #2e2c29;
    --link: #8ab8ef;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
  color: var(--link);
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 0.25rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.5rem;
}

.lede {
  color: var(--muted);
  margin-top: 0;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

/* The root and 404 pages: one line, centred. */
.solo {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  text-align: center;
}

.solo p {
  max-width: 32rem;
  margin: 0;
  font-family: Charter, "Bitstream Charter", "Iowan Old Style", "Sitka Text", Cambria, Georgia, serif;
  font-size: 1.375rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* The punchline, after a beat. */
.solo .later {
  display: block;
  margin-top: 0.5em;
  opacity: 0;
  animation: arrive 0.9s ease-out 1.6s forwards;
}

@keyframes arrive {
  to {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .solo .later {
    opacity: 1;
    animation: none;
  }
}