:root {
  --bg: #ffffff;
  --fg: #1d2326;
  --muted: #4f5b60;
  --rule: #d8dfe1;
  --tint: #f1f6f6;
  --accent: #0b5c63;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121719;
    --fg: #e6ecee;
    --muted: #a3b1b6;
    --rule: #2c3a3e;
    --tint: #1a2326;
    --accent: #5cc4cc;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.wrap { max-width: 42rem; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
header { border-bottom: 1px solid var(--rule); }
header .wrap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .5rem 1.5rem; padding-top: 1rem; padding-bottom: 1rem; }
.brand { font-weight: 700; font-size: 1.25rem; letter-spacing: .01em; color: var(--accent); text-decoration: none; }
nav a { margin-left: 1.25rem; }
nav a:first-child { margin-left: 0; }
main { padding-top: 2.5rem; padding-bottom: 3rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .75rem; }
h2 { font-size: 1.3rem; line-height: 1.3; margin: 2.5rem 0 .5rem; }
h3 { font-size: 1.1rem; margin: 1.75rem 0 .25rem; }
p, li { max-width: 40rem; }
ul { padding-left: 1.25rem; }
li { margin: .35rem 0; }
.tagline { font-size: 1.2rem; color: var(--muted); margin: 0 0 1rem; }
a { color: var(--accent); text-underline-offset: .15em; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.note { background: var(--tint); border-left: 4px solid var(--accent); padding: .75rem 1rem; margin: 1.5rem 0; }
.note p { margin: 0; }
.contact { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); }
footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: .95rem; }
footer .wrap { padding-top: 1.25rem; padding-bottom: 1.5rem; }
footer p { margin: 0 0 .25rem; }