:root {
  --page: #fcfdfe;
  --ink: #0e1a24;
  --muted: #6a7986;
  --rule: #e3eaf0;
  --navy: #014e7a;
  --cyan: #0b90c9;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 8vh 24px;
}

/* The home page is a short card, so it sits in the middle of the screen.
   The text pages are long and start at the top like any document. */
body.centred { min-height: 100vh; display: grid; place-items: center; padding-top: 0; padding-bottom: 0; }
body.centred main { max-width: 26rem; }

main { width: 100%; max-width: 34rem; margin: 0 auto; }

.logo { width: 76px; height: 76px; display: block; margin-bottom: 1.75rem; }
.logo-small { width: 40px; height: 40px; display: block; margin-bottom: 2rem; }

h1 {
  font-size: 1.85rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 .3rem;
  color: var(--navy);
}
.tagline { margin: 0 0 2.75rem; color: var(--muted); font-size: 1.05rem; }
.dateline { margin: 0 0 2.5rem; color: var(--muted); font-size: .9rem; }

h2 {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 2.5rem 0 1.1rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}
h2:first-of-type { margin-top: 0; }

p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin-bottom: .5rem; }

dl { margin: 0; }
dt {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .25rem;
}
dd { margin: 0 0 1.25rem; font-size: 1.02rem; }
dd:last-child { margin-bottom: 0; }

a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 144, 201, .35);
  padding-bottom: 1px;
  transition: border-color .15s;
}
a:hover, a:focus-visible { border-bottom-color: var(--cyan); }

footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: .9rem;
}
footer p { margin: 0 0 .3rem; }