:root {
  color-scheme: light;
  --ink: #182033;
  --muted: #546179;
  --paper: #fbfaf7;
  --panel: #ffffff;
  --accent: #7b4b2a;
  --accent-dark: #4c2f1e;
  --line: #ded8cc;
  --soft: #f3eee5;
}

* {
  box-sizing: border-box;
}

html {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  line-height: 1.6;
}

/* Navigation Bar */
.site-nav {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  padding: 0 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav-inner {
  width: min(960px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.site-nav .brand {
  font-family: Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-dark);
  text-decoration: none;
  padding: 14px 0;
  margin-right: auto;
  letter-spacing: -0.02em;
}

.site-nav nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.site-nav nav a {
  color: var(--accent-dark);
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.88rem;
  padding: 14px 11px;
  border-bottom: 2px solid transparent;
}

.site-nav nav a:hover,
.site-nav nav a[aria-current="page"] {
  border-bottom-color: var(--accent);
}

/* Main content areas */
header,
main,
footer {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 28px 0 18px;
  border-bottom: 1px solid var(--line);
}

main {
  padding: 36px 0 52px;
}

footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.9rem;
}

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2.1rem, 6vw, 4rem);
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 34px;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

p {
  margin: 0 0 16px;
}

ul {
  margin: 0 0 20px 1.2rem;
  padding: 0;
}

li + li {
  margin-top: 8px;
}

.kicker {
  color: var(--accent);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lede {
  font-size: clamp(1.15rem, 2.5vw, 1.45rem);
  color: var(--muted);
  max-width: 760px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin: 22px 0;
  box-shadow: 0 16px 40px rgba(24, 32, 51, 0.06);
}

.panel h2 {
  margin-top: 0;
}

.book-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 18px;
  padding: 24px;
  margin: 22px 0;
  box-shadow: 0 16px 40px rgba(24, 32, 51, 0.06);
}

.book-card h2 {
  margin-top: 0;
}

.notice {
  background: var(--soft);
  border-left: 4px solid var(--accent);
  padding: 16px 18px;
  margin: 22px 0;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
  font-family: Arial, Helvetica, sans-serif;
}

.button-link {
  display: inline-block;
  background: var(--accent-dark);
  border: 1px solid var(--accent-dark);
  border-radius: 999px;
  color: #fff;
  padding: 10px 16px;
  text-decoration: none;
  font-size: 0.92rem;
}

.button-link:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.button-link.secondary {
  background: transparent;
  color: var(--accent-dark);
}

.button-link.secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.meta {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.95rem;
}

.small {
  font-size: 0.92rem;
}

@media (max-width: 600px) {
  .site-nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-nav nav {
    padding-bottom: 6px;
  }
  .site-nav nav a {
    padding: 8px 9px;
  }
}