/* Shared by every page. The colours match the TPE Command Center. */

:root {
  --page: #f6f6f4;
  --card: #ffffff;
  --border: #e4e4e1;
  --foreground: #141414;
  --muted: #6a6e72;
  --accent: #2f7a4a;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #121416;
    --card: #1c1f22;
    --border: #2b2f33;
    --foreground: #f2f2ef;
    --muted: #a4a9ad;
    --accent: #7faf8a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--foreground);
  font: 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main,
header,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  padding-top: 2.5rem;
}

.brand {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

h1 {
  margin: 2.5rem 0 0.5rem;
  font-size: clamp(2rem, 6vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  margin: 2.5rem 0 0.5rem;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

h3 {
  margin: 1.5rem 0 0.25rem;
  font-size: 1rem;
}

p,
ul {
  margin: 0.5rem 0;
}

li + li {
  margin-top: 0.35rem;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.lead {
  color: var(--muted);
  font-size: 1.15rem;
}

.card {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: var(--card);
}

.card h2 {
  margin-top: 0;
}

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

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: inherit;
}