:root {
  --paper: #f5f2eb;
  --ink: #1f2924;
  --rust: #cc451f;
  --muted: #636b63;
  --line: rgba(31, 41, 36, 0.12);
  --sheet: #fffdf8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(204, 69, 31, 0.06) 0 3px, transparent 3px),
    var(--paper);
  line-height: 1.65;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.75rem 1.25rem 4rem;
}

.brand {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.85rem;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

h1 {
  margin: 0 0 0.75rem;
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

h2 {
  margin: 1.75rem 0 0.45rem;
  font-size: 1.12rem;
}

.meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.25rem;
}

ul { padding-left: 1.15rem; margin: 0.4rem 0 0; }
li { margin: 0.25rem 0; }

.nav {
  display: flex;
  gap: 1rem;
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
}

a { color: var(--rust); }

.card {
  background: rgba(255, 255, 255, 0.55);
  border: 0.5px solid var(--line);
  border-radius: 4px;
  padding: 1.35rem 1.25rem;
}