:root {
  color-scheme: light dark;
  --canvas: #f6f1e7;
  --surface: #fffdf8;
  --ink: #17201d;
  --muted: #5d6963;
  --action: #b0330c;
  --ready: #004740;
  --line: color-mix(in srgb, var(--ink) 16%, transparent);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header, main, footer {
  width: min(760px, calc(100% - 40px));
  margin-inline: auto;
}

header { padding: 48px 0 20px; }
main { padding-bottom: 48px; }
footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--muted);
}

.brand {
  color: var(--ready);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.2; }
h1 { margin: 10px 0; font-size: clamp(2rem, 7vw, 3.4rem); }
h2 { margin-top: 2rem; }

.lede { color: var(--muted); font-size: 1.15rem; }
.card {
  margin: 22px 0;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}

a { color: var(--action); font-weight: 650; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 22px; }
li + li { margin-top: .5rem; }
code { overflow-wrap: anywhere; }

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #111513;
    --surface: #1c2320;
    --ink: #f4f1e9;
    --muted: #b9c2bd;
    --action: #ff6e38;
    --ready: #5cd6c7;
  }
}