:root {
  --bg: #f4f0e8;
  --paper: #fbf8f1;
  --ink: #1c1915;
  --ink-muted: #5c564c;
  --rule: #d8d0c2;
  --accent: #6b3f24;
  --accent-hover: #4e2c18;
  --focus: #1f4d6a;
  --max: 42rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", Times, serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 2;
  padding: 0.4rem 0.7rem;
  background: var(--paper);
  color: var(--ink);
}

.skip:focus {
  top: 0.75rem;
}

.page {
  max-width: calc(var(--max) + 2 * var(--pad));
  margin: 0 auto;
  padding: var(--pad);
}

header {
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  margin: 0 0 0.35rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.meta,
.nav,
.toc,
footer {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.meta {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.92rem;
}

.nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  pointer-events: none;
}

.notice {
  margin: 1.5rem 0 0;
  padding: 0.9rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  font-size: 0.95rem;
}

main {
  padding: 1.75rem 0 2.5rem;
}

.toc {
  margin: 0 0 2rem;
  padding: 1rem 1.1rem 1.1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
}

.toc h2 {
  margin: 0 0 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
}

.toc li {
  margin: 0.28rem 0;
}

h2 {
  margin: 2.1rem 0 0.7rem;
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  scroll-margin-top: 1rem;
}

h3 {
  margin: 1.35rem 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 600;
}

p,
ul,
ol {
  margin: 0 0 0.95rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

li {
  margin: 0.28rem 0;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
}

.operator {
  font-style: normal;
}

footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-muted);
  font-size: 0.85rem;
}

footer p {
  margin: 0 0 0.45rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161412;
    --paper: #1e1b18;
    --ink: #f3eee4;
    --ink-muted: #b4aa9b;
    --rule: #3a342c;
    --accent: #e0b089;
    --accent-hover: #f0c9a8;
    --focus: #8ec5e0;
  }

  html {
    color-scheme: dark;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .skip,
  .nav,
  .notice {
    display: none;
  }

  a {
    color: inherit;
  }
}