:root {
  --ink: #16181a; --muted: #5a6068; --bg: #fcfcfb; --rule: #e2e5e7;
  --link: #17506b; --accent: #17506b;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e7eaec; --muted: #99a2a9; --bg: #14171a; --rule: #2b3137;
          --link: #86b8d1; --accent: #86b8d1; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.62 "Source Serif 4", Charter, Georgia, "Iowan Old Style", serif; }
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
header { border-bottom: 1px solid var(--rule); padding: 2.2rem 0 0.9rem; margin-bottom: 2.2rem; }
.sitename { font-size: 1.55rem; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.sitename a { color: var(--ink); text-decoration: none; }
.tagline { margin: 0.2rem 0 1.1rem; color: var(--muted); font-size: 0.95rem; }
nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1.15rem;
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif; font-size: 0.93rem; }
nav a { color: var(--muted); text-decoration: none; padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent; }
nav a:hover { color: var(--ink); }
nav a.here { color: var(--ink); border-bottom-color: var(--accent); }
main { padding-bottom: 3rem; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 1.1rem; letter-spacing: -0.015em; }
h2 { font-size: 1.22rem; margin: 2.3rem 0 0.7rem; letter-spacing: -0.005em; }
h3 { font-size: 1.02rem; margin: 1.7rem 0 0.5rem; color: var(--muted);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.05em; }
p, li { margin: 0 0 0.85rem; text-wrap: pretty; hyphens: none; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:focus-visible, nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
ul { padding-left: 1.15rem; }
.lead { font-size: 1.1rem; }
.refs p { margin-bottom: 0.75rem; text-indent: -1.3rem; padding-left: 1.3rem; }
.meta { color: var(--muted); font-size: 0.93rem; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 2.4rem 0; }
footer { border-top: 1px solid var(--rule); padding: 1.2rem 1.25rem 3rem;
  color: var(--muted); font-size: 0.88rem; }
footer p { margin: 0 0 0.3rem; }
.built { font-size: 0.8rem; }
figure.portrait { float: right; width: 232px; margin: 0.35rem 0 1.2rem 1.7rem; }
figure.portrait img { display: block; width: 100%; height: auto; border-radius: 2px; }
figure.portrait.round img { border-radius: 50%; }
figure.portrait.left { float: left; margin: 0.35rem 1.7rem 1.2rem 0; }
figure.portrait figcaption { margin-top: 0.4rem; color: var(--muted);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif; font-size: 0.72rem;
  letter-spacing: 0.01em; }
footer { clear: both; }
@media (max-width: 560px) {
  figure.portrait { float: none; width: min(100%, 280px); margin: 0 0 1.3rem; }
}
@media (max-width: 480px) { body { font-size: 16px; } h1 { font-size: 1.6rem; } }