:root {
  --ink: #1a1a1a;
  --paper: #faf7f2;
  --accent: #b8452f;
  --line: #e3ddd2;
  --muted: #6b6459;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #f0ece3;
    --paper: #171512;
    --accent: #e07a5f;
    --line: #332f28;
    --muted: #a89d8c;
  }
}
:root[data-theme="dark"] {
  --ink: #f0ece3;
  --paper: #171512;
  --accent: #e07a5f;
  --line: #332f28;
  --muted: #a89d8c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero {
  padding: 90px 0 60px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--accent);
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  margin: 0 0 18px;
  line-height: 1.1;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 20px;
}

.byline {
  font-size: 0.95rem;
  color: var(--muted);
}

.subnav {
  position: sticky;
  top: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.subnav .wrap {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding: 14px 20px;
}

.subnav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.subnav a:hover {
  border-bottom-color: var(--accent);
}

.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
}

.section.alt {
  background: color-mix(in srgb, var(--line) 35%, transparent);
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0 0 14px;
}

.deck {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 24px;
}

blockquote {
  margin: 28px 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--accent);
  font-style: italic;
  color: var(--ink);
}

blockquote cite {
  display: block;
  margin-top: 12px;
  font-style: normal;
  font-size: 0.85rem;
  color: var(--muted);
}

p { margin: 0 0 18px; }

.note {
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
}

.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--accent);
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
}

td:first-child {
  color: var(--muted);
  font-style: italic;
}

.book-layout {
  display: flex;
  gap: 36px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.book-cover {
  width: 200px;
  max-width: 40%;
  height: auto;
  flex-shrink: 0;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
  border-radius: 2px;
}

.book-layout > div {
  flex: 1;
  min-width: 260px;
}

@media (max-width: 480px) {
  .book-cover {
    max-width: 55%;
    margin: 0 auto;
  }
  .book-layout {
    flex-direction: column;
    align-items: center;
    text-align: left;
  }
}

footer {
  padding: 36px 0 60px;
  text-align: center;
}

footer p {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}