:root {
  --bg: #fbfaf7;
  --ink: #1d1c1a;
  --muted: #66625b;
  --rule: #d9d5cc;
  --link: #1f5f8b;
  --square: #ffffff;
  --block: #1d1c1a;
  --frame: #1d1c1a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191816;
    --ink: #ece9e2;
    --muted: #a5a096;
    --rule: #3a3833;
    --link: #8cc0e6;
    --frame: #ffffff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.55 Charter, "Bitstream Charter", Georgia, serif;
}

main {
  max-width: 38rem;
  margin: 0 auto;
  padding: 3.5rem 16px 4rem;
}

a { color: var(--link); text-underline-offset: 2px; }

h1 { margin: 0 0 1rem; font-size: 2rem; line-height: 1.2; }

h2 {
  margin: 2.5rem 0 .75rem;
  padding-bottom: .3rem;
  border-bottom: 1px solid var(--rule);
  font-size: 1.15rem;
}

h3 { margin: 1.25rem 0 .2rem; font-size: 1rem; }

p { margin: 0 0 .75rem; }

dl { margin: 0; }
dt { margin-top: .9rem; font-weight: 700; }
dd { margin: 0; }

.squares {
  display: flex;
  width: max-content;
  margin-bottom: 1.25rem;
  border: 2px solid var(--frame);
}

.squares span {
  display: grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-right: 1px solid var(--block);
  background: var(--square);
  color: var(--block);
  font: 700 .95rem/1 -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
}

.squares span:last-child { border-right: 0; }
.squares .black { background: var(--block); }

.contact { margin: 0; padding: 0; list-style: none; }

p:has(> em:first-child) { margin-bottom: .1rem; }

.back { margin-bottom: 1.5rem; }
.contact-line { color: var(--muted); }

@media print {
  body { background: #fff; color: #000; font-size: 11pt; }
  main { max-width: none; padding: 0; }
  a { color: inherit; text-decoration: none; }
  .back { display: none; }
  h3 { break-after: avoid; }
}