/* Measrtag public pages (www.measrtag.com). Plain HTML, no build step.
   Contrast: text on background >= 7:1 in both schemes (WCAG 2.2 AAA). */
:root {
  color-scheme: light dark;
  --site-bg: oklch(1 0 0);
  --site-text: oklch(0.22 0 0);
  --site-muted: oklch(0.38 0 0);
  --site-link: oklch(0.4 0.16 264);
  --site-rule: oklch(0.88 0 0);
}
@media (prefers-color-scheme: dark) {
  :root {
    --site-bg: oklch(0.17 0.005 270);
    --site-text: oklch(0.96 0 0);
    --site-muted: oklch(0.82 0 0);
    --site-link: oklch(0.82 0.1 264);
    --site-rule: oklch(0.32 0 0);
  }
}
html { margin: 0; }
body {
  margin: 0;
  background: var(--site-bg);
  color: var(--site-text);
  font: 400 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
}
.site { max-width: 46rem; margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }
.site__header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 2.5rem; }
.site__brand { font-weight: 700; font-size: 1.25rem; color: var(--site-text); text-decoration: none; letter-spacing: 0.01em; }
.site__nav, .site__footer-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; }
.site a { color: var(--site-link); text-underline-offset: 0.2em; }
.site__nav a, .site__footer-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.site a:focus-visible { outline: 3px solid var(--site-link); outline-offset: 2px; border-radius: 2px; }
.site h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 1rem; }
.site h2 { font-size: 1.3rem; line-height: 1.3; margin: 2.25rem 0 0.5rem; }
.site h3 { font-size: 1.1rem; margin: 1.5rem 0 0.25rem; }
.site__lead { font-size: 1.2rem; color: var(--site-text); }
.site__meta { color: var(--site-muted); font-size: 0.95rem; }
.site ul { padding-left: 1.25rem; }
.site__footer { margin-top: 3.5rem; padding-top: 1.25rem; border-top: 1px solid var(--site-rule); color: var(--site-muted); font-size: 0.95rem; }