:root {
  --canvas: #000000;
  --card: #121212;
  --hairline: rgba(255, 255, 255, 0.08);
  --text: #f4f4f4;
  --muted: rgba(255, 255, 255, 0.55);
  --bronze: #c4925a;
  --bronze-light: #e8c4a0;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: ui-rounded, "SF Pro Rounded", "Segoe UI", sans-serif;
  line-height: 1.55;
}

body {
  min-height: 100vh;
}

a { color: var(--bronze-light); text-decoration: none; }
a:hover { text-decoration: underline; }

header, main, footer {
  width: min(680px, calc(100% - 40px));
  margin-left: auto;
  margin-right: auto;
}

header {
  padding: 36px 0 12px;
}

.mark {
  color: var(--bronze);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 8px 0 0;
  font-size: 32px;
  font-weight: 600;
}

.lede {
  color: var(--muted);
  margin: 10px 0 0;
}

main {
  padding: 12px 0 48px;
}

.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 22px 24px;
}

h2 {
  margin: 28px 0 8px;
  font-size: 18px;
  font-weight: 600;
}

p, li { color: rgba(255, 255, 255, 0.82); }
ul { padding-left: 1.15em; }
li { margin: 6px 0; }

.updated {
  color: var(--muted);
  font-size: 14px;
}

footer {
  padding-bottom: 40px;
  color: var(--muted);
  font-size: 14px;
}

nav {
  display: flex;
  gap: 16px;
  margin-top: 16px;
}