:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #e5e7eb;
  background: #08090c;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgb(180 244 97 / 8%), transparent 34rem),
    #08090c;
  line-height: 1.65;
}

a { color: #b4f461; }
a:hover { color: #d8ff9f; }

.shell {
  width: min(100% - 2rem, 48rem);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.brand,
.page-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  padding-bottom: 2rem;
  border-bottom: 1px solid #252933;
}

.brand a,
.page-footer a { text-decoration: none; }

.brand-name {
  color: #fff;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.back { font-size: 0.9rem; }

main { padding: 3rem 0; }

h1, h2 {
  color: #fff;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.25rem, 8vw, 3.75rem);
}

h2 {
  margin: 2rem 0 0.5rem;
  font-size: 1.2rem;
}

p, li { color: #aab1be; }

.updated {
  margin: 0 0 2.5rem;
  color: #737b8c;
  font-size: 0.875rem;
}

.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  border: 1px solid #354229;
  border-radius: 0.75rem;
  background: rgb(180 244 97 / 5%);
}

.page-footer {
  padding-top: 1.5rem;
  border-top: 1px solid #252933;
  color: #737b8c;
  font-size: 0.875rem;
}

.page-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 32rem) {
  .shell { width: min(100% - 1.25rem, 48rem); }
  .brand, .page-footer { align-items: flex-start; flex-direction: column; }
  main { padding: 2rem 0; }
}