:root {
  --ink: #17181c;
  --muted: #5b6068;
  --rule: #d9d9d2;
  --bg: #fcfcfa;
  --accent: #3d4f7c;

  --serif: "Iowan Old Style", Charter, Georgia, "Times New Roman", serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --measure: 38rem;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 1.4rem 5rem;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--serif);
  font-synthesis-weight: none;
}

.wrap { max-width: var(--measure); margin: 0 auto; }

/* Header and navigation */

header {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 2.6rem;
  padding: 2rem 0 1rem;
}

.sitename {
  display: block;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--ink);
}

.sitename span {
  display: block;
  font: 400 0.78rem/1.5 var(--mono);
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-top: 0.2rem;
}

nav { margin-top: 1.1rem; }

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.3rem;
}

nav a {
  font: 400 0.85rem/2 var(--mono);
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

nav a:hover,
nav a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }

nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }

/* Typography */

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 1.2rem;
}

h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2.8rem 0 0.7rem;
}

h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.8rem 0 0.35rem;
}

p { margin: 0 0 1.05rem; }

.lede { font-size: 1.15rem; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

a:hover { color: var(--ink); }

/* Metadata: dates, roles, identifiers */

.meta {
  font: 400 0.82rem/1.6 var(--mono);
  color: var(--muted);
}

/* Lists */

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

ul.plain > li { margin-bottom: 1.15rem; }

ul.bullets { padding-left: 1.1rem; margin: 0 0 1.05rem; }

ul.bullets li { margin-bottom: 0.35rem; }

/* Reference entries */

ol.refs {
  list-style: none;
  counter-reset: ref;
  margin: 0;
  padding: 0;
}

ol.refs > li {
  counter-increment: ref;
  position: relative;
  padding-left: 2.2rem;
  margin-bottom: 1.15rem;
}

ol.refs > li::before {
  content: counter(ref);
  position: absolute;
  left: 0;
  top: 0.15rem;
  font: 400 0.8rem/1 var(--mono);
  color: var(--muted);
}

.authors { font-variant-numeric: oldstyle-nums; }

.self { font-weight: 600; }

.venue { font-style: italic; }

/* Project and people blocks */

.entry {
  border-top: 1px solid var(--rule);
  padding-top: 1.1rem;
  margin-top: 1.6rem;
}

.entry h3 { margin-top: 0; }

.entry p:last-child { margin-bottom: 0; }

/* Tables */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.4rem;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem 0.7rem 0.5rem 0;
  border-bottom: 1px solid var(--rule);
}

th {
  font: 600 0.78rem/1.5 var(--mono);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

td.meta { white-space: nowrap; }

/* Footer */

footer {
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
  padding-top: 1.2rem;
  font: 400 0.82rem/1.7 var(--mono);
  color: var(--muted);
}

footer a { color: var(--muted); }

footer a:hover { color: var(--accent); }

.contact-links { display: flex; flex-wrap: wrap; gap: 0 1.2rem; }

/* Accessibility */

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.skip { position: absolute; left: -9999px; }

.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--bg);
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--accent);
  z-index: 10;
}

@media (max-width: 34rem) {
  body { font-size: 1rem; }
  h1 { font-size: 1.5rem; }
  table { font-size: 0.9rem; }
  td.meta { white-space: normal; }
}