:root {
  color-scheme: light;
  --ink: #1c2430;
  --muted: #5c6b80;
  --paper: #f6f1e8;
  --card: #fffdf8;
  --line: #e4d9c8;
  --btn: #2c4a7c;
  --accent: #5b8def;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 18px/1.55 Georgia, "Iowan Old Style", Palatino, serif;
  color: var(--ink);
  background: var(--paper);
}
a { color: var(--btn); }
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: baseline;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}
nav .brand {
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
}
nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }
header.hero { padding: 3.2rem 0 1rem; }
.kicker { letter-spacing: 0.04em; color: var(--muted); margin: 0 0 0.4rem; }
h1 { font-size: 2.7rem; line-height: 1.08; margin: 0 0 0.8rem; }
h2 { font-size: 1.55rem; margin: 2.4rem 0 0.6rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.35rem; }
.lead { font-size: 1.22rem; margin-top: 0; }
.downloads { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.4rem 0 0.4rem; }
.btn {
  display: inline-block;
  background: var(--btn);
  color: #fff;
  text-decoration: none;
  padding: 0.7rem 1.1rem;
  border-radius: 8px;
}
.btn.secondary { background: transparent; color: var(--btn); border: 1px solid var(--btn); }
.fine, footer { color: var(--muted); font-size: 0.95rem; }
footer { padding: 2.5rem 0 3rem; }
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin-top: 1rem;
}
@media (min-width: 720px) {
  .cards { grid-template-columns: 1fr 1fr; }
}
.card, .note, .step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem 1.05rem;
}
.card p, .note p, .step p { margin: 0.35rem 0 0; }
.card p { color: var(--muted); font-size: 0.98rem; }
.steps { display: grid; gap: 0.8rem; margin-top: 0.6rem; }
.step strong.n {
  display: inline-block;
  min-width: 1.4rem;
  color: var(--accent);
}
pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86em;
}
pre {
  background: #1c2430;
  color: #f6f1e8;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  overflow-x: auto;
  line-height: 1.45;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  font-size: 0.95rem;
}
th, td { text-align: left; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.note time { color: var(--muted); font-size: 0.9rem; }
.note ul { margin: 0.4rem 0 0; padding-left: 1.15rem; }
.note li { margin: 0.25rem 0; }
.notes { display: grid; gap: 0.9rem; }