:root {
  /* CanonPath Palette */
  --ink: #111111;        /* primary text */
  --paper: #FAFAFA;      /* background */
  --slate: #6B7280;      /* secondary text */
  --navy: #1F2A44;       /* accent */
  --rule: rgba(31, 42, 68, 0.22); /* dividers */
  --card: rgba(255,255,255,0.78); /* card background */
  --shadow: rgba(17, 17, 17, 0.08);
  --hover: rgba(31, 42, 68, 0.06);
}

* { box-sizing: border-box; }

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

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 48px 22px 64px;
}

/* Header / Nav */
.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
}

.brand .name {
  font-size: 22px;
  letter-spacing: 0.5px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--ink);
}

.brand .rule {
  height: 2px;
  width: 52px;
  background: var(--navy);
  border-radius: 999px;
  opacity: 0.95;
}

nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
}

nav a {
  color: var(--navy);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}

nav a:hover {
  border-color: var(--rule);
  background: var(--hover);
}

nav a[aria-current="page"] {
  border-color: var(--rule);
  background: rgba(255,255,255,0.90);
}

/* Page headings */
.kicker {
  margin: 22px 0 8px;
  color: var(--navy);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-weight: 800;
  font-size: 12px;
}

h1 {
  margin: 0 0 10px 0;
  font-size: clamp(28px, 3.4vw, 40px);
  letter-spacing: 0.4px;
  line-height: 1.15;
}

.lede {
  margin: 0;
  max-width: 78ch;
  color: var(--slate);
  font-size: 15.5px;
}

.section {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
}

h2 {
  margin: 0 0 14px 0;
  font-size: 14px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--navy);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-weight: 800;
}

/* Cards */
.card,
.book,
.about-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 14px;
  box-shadow: 0 10px 24px var(--shadow);
}

.card { padding: 18px 16px; max-width: 88ch; }
.about-card { padding: 18px 16px; max-width: 88ch; }

/* Books */
.books {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.book {
  padding: 16px 16px 14px;
}

.book-head {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}

.book-title {
  margin: 0;
  font-size: 18px;
  font-weight: 750;
  color: var(--ink);
}

.book-desc,
.text,
.about-text {
  margin: 0;
  color: var(--slate);
  font-size: 15px;
  max-width: 80ch;
}

.meta {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid rgba(31, 42, 68, 0.30);
  color: var(--navy);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: rgba(31, 42, 68, 0.04);
}

/* Lists */
.bullets {
  margin: 12px 0 0 18px;
  color: var(--slate);
  font-size: 15px;
}
.bullets li { margin: 6px 0; }

.note,
.divider-note {
  margin-top: 16px;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-size: 13.5px;
  color: var(--slate);
}

/* Footer */
footer {
  margin-top: 64px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  color: var(--slate);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  font-size: 13px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.dot { opacity: 0.55; }

/* Responsive */
@media (min-width: 820px) {
  .container { padding: 56px 28px 72px; }
  .books { gap: 16px; }
  .book { padding: 18px 18px 16px; }
  .card, .about-card { padding: 20px 18px; }
}