/* Shared styles for the public pages served at apps.jacd.tech.
   Self-contained: no external fonts, scripts or stylesheets, so the pages
   render the same way for an automated reviewer and for a browser. */

:root {
  --bg: #ffffff;
  --fg: #16181d;
  --muted: #5b616e;
  --rule: #e3e6ea;
  --accent: #1d4ed8;
  --card: #f7f8fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --fg: #e9ecf1;
    --muted: #a3aab6;
    --rule: #2b2f36;
    --accent: #93b4ff;
    --card: #1b1e24;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--fg);
  font: 1rem/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
}

main,
.site-header,
.site-footer {
  max-width: 46rem;
  margin: 0 auto;
}

.site-header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 1.2rem + 1.6vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h2 {
  margin: 2.5rem 0 0.75rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.05rem;
}

p,
li {
  margin: 0.75rem 0;
}

ul {
  padding-left: 1.25rem;
}

li {
  margin: 0.35rem 0;
}

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

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

.lede {
  font-size: 1.08rem;
  color: var(--muted);
}

.updated {
  color: var(--muted);
  font-size: 0.9rem;
}

.note {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--card);
  border-left: 3px solid var(--accent);
  border-radius: 0 4px 4px 0;
}

.note p:first-child {
  margin-top: 0;
}

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

.site-footer {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

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