*, *::before, *::after { box-sizing: border-box; }
:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #5f6c7b;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --rule: #d8cfc0;
  --accent: #22605f;
  --accent-dark: #243746;
  --gold: #cfa94d;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.6;
}
a { color: inherit; }
.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(1.25rem, 4vw, 3rem);
  text-align: center;
}
.home-wrap {
  width: min(100%, 880px);
  margin-inline: auto;
}
.cover-link {
  display: inline-block;
  width: min(62vw, 360px);
  margin-bottom: 1.35rem;
}
.cover-link img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--panel);
  padding: .35rem;
}
.eyebrow {
  margin: 0 0 .4rem;
  color: var(--accent);
  font-family: Arial, sans-serif;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: .4rem;
  color: #111827;
  font-size: clamp(2.4rem, 8vw, 5rem);
  line-height: 1.05;
}
.tagline {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  font-weight: 700;
}
.home-actions,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .75rem;
}
.button,
.toc-list a,
.site-footer a {
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--panel);
  color: var(--accent-dark);
  font-family: Arial, sans-serif;
  font-weight: 700;
  text-decoration: none;
}
.button {
  padding: .78rem 1rem;
}
.button.primary {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fffdf8;
}
.button:hover,
.button:focus-visible,
.toc-list a:hover,
.toc-list a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  border-color: var(--accent);
  outline: none;
  color: var(--accent);
}
.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent);
  color: #fffdf8;
}
.page-header {
  background: linear-gradient(180deg, #243746 0%, #2f5756 100%);
  color: #fffdf8;
  padding: clamp(2rem, 7vw, 4.75rem) 1rem 2rem;
  text-align: center;
}
.page-header .eyebrow,
.page-header .tagline {
  color: #d4e2df;
}
.page-header h1 {
  color: #fffdf8;
}
.toc-wrap {
  width: min(100% - 2rem, 760px);
  margin: clamp(1.25rem, 4vw, 3rem) auto;
  padding: clamp(1.2rem, 4vw, 2rem);
  background: var(--panel);
  border: 1px solid var(--rule);
}
.toc-wrap h2 {
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  text-align: center;
}
.toc-list {
  display: grid;
  gap: .65rem;
}
.toc-list a {
  display: block;
  padding: .85rem 1rem;
}
.format-links {
  border-top: 1px solid var(--rule);
  margin-top: 1.5rem;
  padding-top: 1.35rem;
  text-align: center;
}
.format-links h2 {
  font-size: clamp(1.25rem, 3vw, 1.7rem);
}
.format-links nav {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  justify-content: center;
}
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 1rem 2rem;
  text-align: center;
}
.site-footer a {
  padding: .55rem .75rem;
  font-size: .95rem;
}
@media (max-width: 640px) {
  .home-actions,
  .format-links nav,
  .site-footer nav {
    display: grid;
  }
  .button,
  .site-footer a {
    display: block;
  }
}