:root {
  color-scheme: light dark;
  --background: #101315;
  --surface: #191e21;
  --text: #edf1f3;
  --muted: #aeb9be;
  --accent: #a5e88c;
  --border: #31393e;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

body {
  margin: 0;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.site-header,
.site-footer,
main {
  margin: 0 auto;
  max-width: 46rem;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.site-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 5rem;
}

.brand {
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 750;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  font-size: 0.9rem;
}

main {
  padding-bottom: 4rem;
  padding-top: 3rem;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--text);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 6vw, 3rem);
  margin: 0;
}

h2 {
  font-size: 1.35rem;
  margin-top: 2.75rem;
}

p,
li {
  max-width: 42rem;
}

.lede,
.updated {
  color: var(--muted);
}

.lede {
  font-size: 1.15rem;
  margin-top: 1rem;
}

.updated {
  font-size: 0.9rem;
  margin-top: 1.5rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin-top: 2.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  color: var(--text);
  display: block;
  padding: 1.25rem;
  text-decoration: none;
}

.card:hover {
  border-color: var(--accent);
}

.card strong,
.card span {
  display: block;
}

.card span {
  color: var(--muted);
  margin-top: 0.35rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  padding-bottom: 2rem;
  padding-top: 2rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --background: #f7f8f6;
    --surface: #ffffff;
    --text: #172019;
    --muted: #55615a;
    --accent: #39752c;
    --border: #d9dfd9;
  }
}