:root {
  color-scheme: dark;
  --background: #080d13;
  --panel: #111a24;
  --text: #e8eef5;
  --muted: #a9b6c4;
  --accent: #59d8ff;
  --border: #273746;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at top, #142434 0, var(--background) 42rem);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0;
}

article {
  padding: clamp(24px, 6vw, 52px);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 24px 80px rgb(0 0 0 / 30%);
}

h1, h2 { line-height: 1.2; }
h1 { margin-top: 0; font-size: clamp(2rem, 7vw, 3.3rem); }
h2 { margin-top: 2rem; font-size: 1.25rem; }
p, li { color: var(--muted); }
strong { color: var(--text); }
a { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 36px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.updated { font-size: .9rem; }