:root {
  --paper: #efe6d6;
  --paper-2: #e4d9c4;
  --ink: #1a1612;
  --ink-soft: #3a332b;
  --muted: #6b5e50;
  --rule: #cbbfaa;
  --amber: #c47b12;
  --amber-deep: #8a4e08;
  --field: #241f1a;
  --field-text: #f3ead7;
  --max: 72rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(196, 123, 18, 0.9) 0 6px, transparent 6px),
    var(--paper);
  font-family: "Iowan Old Style", Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 1.125rem;
  line-height: 1.55;
}

a { color: var(--amber-deep); }
a:hover { color: var(--ink); }

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.4rem 0.7rem;
  z-index: 5;
}
.skip:focus { top: 0.75rem; }

.sheet {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem 1.75rem;
}

.mast {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 2rem;
  align-items: end;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.85rem;
}

.wordmark {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0;
}

.wordmark strong {
  display: block;
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  font-weight: 600;
  text-transform: none;
  margin-top: 0.15rem;
}

.docmeta {
  margin: 0;
  text-align: right;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  line-height: 1.45;
}

.docmeta span { display: block; }

.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr;
  gap: 2rem;
  padding: 2.2rem 0 1.6rem;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-deep);
  margin: 0 0 0.7rem;
}

h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.35rem);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.lede {
  font-size: 1.2rem;
  margin: 0;
  max-width: 38rem;
}

.figure {
  margin: 0;
  align-self: center;
}

.figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--ink);
}

.figure figcaption {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.toc a { text-decoration: none; border-bottom: 1px solid var(--amber); }

section { padding: 2.4rem 0 0.2rem; }

h2 {
  font-size: 1.85rem;
  line-height: 1.15;
  margin: 0 0 0.8rem;
  font-weight: 600;
}

.secno {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--amber-deep);
  display: block;
  margin-bottom: 0.35rem;
}

.split {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 1.75rem;
}

p { margin: 0 0 0.95rem; }

.note {
  background: var(--field);
  color: var(--field-text);
  padding: 1.1rem 1.15rem 0.3rem;
  margin: 0;
}

.note h3 {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: #e0b15a;
  margin: 0 0 0.6rem;
}

.note p { color: var(--field-text); font-size: 1rem; }

ol.covers {
  list-style: none;
  margin: 0.4rem 0 1.2rem;
  padding: 0;
  counter-reset: item;
}

ol.covers li {
  counter-increment: item;
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.8rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--rule);
}

ol.covers li:last-child { border-bottom: 1px solid var(--rule); }

ol.covers li::before {
  content: counter(item, decimal-leading-zero);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  color: var(--amber-deep);
  font-size: 0.85rem;
  padding-top: 0.25rem;
}

ol.covers strong { display: block; font-size: 1.15rem; margin-bottom: 0.2rem; }

.limit {
  border-left: 4px solid var(--amber);
  padding: 0.2rem 0 0.2rem 1rem;
  color: var(--ink-soft);
}

.contact {
  margin-top: 2.4rem;
  padding: 1.4rem 0 0;
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.mailto {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 1.05rem;
}

footer {
  margin-top: 2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--rule);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--muted);
}

@media (max-width: 800px) {
  .hero, .split, .contact, .mast { grid-template-columns: 1fr; }
  .docmeta { text-align: left; }
  .sheet { padding-left: 1.15rem; }
  h1 { font-size: 2.15rem; }
}