:root {
  color-scheme: light;
  --bg: #f6f3ec;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #ddd6c8;
  --accent: #2f5d50;
  --card: #fffdf8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 18px/1.65 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--accent); }
header, main, footer { width: min(760px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 28px 0 8px; display: flex; justify-content: space-between; align-items: baseline; }
.brand { font-weight: 700; letter-spacing: -0.03em; text-decoration: none; color: inherit; font-size: 1.15rem; }
nav a { margin-left: 16px; text-decoration: none; }
nav a:hover { text-decoration: underline; }
h1 { font-size: 2.4rem; line-height: 1.15; letter-spacing: -0.03em; margin: 12px 0 8px; }
h2 { font-size: 1.45rem; margin: 2.2rem 0 0.4rem; }
.lede { font-size: 1.2rem; color: var(--muted); }
article { padding-bottom: 24px; }
section { padding-top: 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 4px 18px 12px;
  margin: 18px 0;
}
ol.steps { padding-left: 1.2rem; }
ol.steps li { margin: 0.35rem 0; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
footer { border-top: 1px solid var(--line); color: var(--muted); padding: 18px 0 40px; font-size: 0.95rem; }
@media (max-width: 640px) {
  body { font-size: 17px; }
  h1 { font-size: 2rem; }
  header { flex-direction: column; }
  nav a { margin: 0 16px 0 0; }
}