/* itlresearch.com - single stylesheet, no third-party assets */
:root {
  color-scheme: light dark;
  --bg: #fbfaf8;
  --fg: #1d2026;
  --muted: #5c6672;
  --rule: #dfe3e8;
  --accent: #1d4e89;
  --panel: #f2f4f7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --fg: #eef1f5;
    --muted: #9aa4b2;
    --rule: #2b3138;
    --accent: #8ab4f8;
    --panel: #1b1f24;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 Georgia, "Iowan Old Style", "Times New Roman", serif;
}
header.site, footer.site, main { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
header.site {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.35rem 1.25rem;
  padding-top: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule);
}
.brand { font-weight: 700; letter-spacing: -0.01em; text-decoration: none; color: var(--fg); }
header.site nav { display: flex; flex-wrap: wrap; gap: 0.9rem; }
header.site nav a { color: var(--accent); text-decoration: none; font-size: 0.95rem; }
header.site nav a:hover { text-decoration: underline; }
main { padding-top: 1.75rem; padding-bottom: 3rem; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 0.75rem; letter-spacing: -0.01em; }
h2 { font-size: 1.3rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.08rem; margin: 1.5rem 0 0.4rem; }
p, li { color: var(--fg); }
a { color: var(--accent); }
.lede { font-size: 1.08rem; color: var(--muted); }
.disclosure, .provenance, .note {
  font-size: 0.9rem; color: var(--muted); background: var(--panel);
  border-left: 3px solid var(--rule); padding: 0.7rem 0.9rem; margin: 1.25rem 0;
}
.disclosure { border-left-color: var(--accent); font-style: normal; }
dl { margin: 1rem 0; }
dt { font-weight: 700; margin-top: 0.75rem; }
dd { margin: 0.15rem 0 0 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; margin: 1rem 0; }
th, td { text-align: left; vertical-align: top; padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--rule); }
code, .file { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: 0.86em; }
footer.site { border-top: 1px solid var(--rule); padding-top: 1.25rem; padding-bottom: 2.5rem; }
footer.site p { margin: 0.6rem 0; }
ul.plain { padding-left: 1.15rem; }