:root {
  --bg: #eee0c7;
  --bg-deep: #d8c19a;
  --paper: #f6ecd8;
  --paper-strong: #efe0c2;
  --ink: #31241c;
  --muted: #6e5b49;
  --accent: #8b5a2b;
  --accent-2: #6a3e1e;
  --river: #506b6a;
  --sand: #b89b72;
  --border: rgba(73, 48, 30, 0.28);
  --shadow: 0 12px 32px rgba(32, 20, 12, 0.14);
  --shadow-soft: 0 8px 18px rgba(32, 20, 12, 0.08);
  --maxw: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", Times, serif;
  line-height: 1.65;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.35), transparent 30%),
    radial-gradient(circle at bottom right, rgba(122,87,50,0.06), transparent 28%),
    linear-gradient(180deg, #f3ead8 0%, var(--bg) 100%);
}
img { max-width: 100%; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(100% - 2rem, var(--maxw)); margin: 0 auto; }
.section { padding: 4.5rem 0; }
.section-tight { padding: 3rem 0; }
.eyebrow {
  display: inline-block;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.76rem;
  color: var(--accent-2);
  margin-bottom: 0.9rem;
}
.kicker {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.lead {
  font-size: 1.16rem;
  color: #4a392d;
}
.page-title,
.hero h1,
.section-title,
.card-title,
.book-hero-title {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.08;
  letter-spacing: 0.01em;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem;
}
.page-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  margin: 0 0 1rem;
}
.muted { color: var(--muted); }
.small { font-size: 0.95rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 233, 216, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(79, 54, 35, 0.12);
}
.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0.1rem;
  font-weight: 700;
  color: var(--ink);
}
.brand-title {
  font-size: 1.2rem;
  letter-spacing: 0.03em;
}
.brand-subtitle {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  font: inherit;
}
.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}
.site-nav a {
  display: inline-block;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  color: var(--ink);
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(109, 74, 39, 0.1);
}
.button,
button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.88rem 1.3rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.button:hover { transform: translateY(-1px); text-decoration: none; }
.button-primary {
  background: var(--accent-2);
  color: #fff8ef;
  box-shadow: var(--shadow-soft);
}
.button-primary:hover { background: #5b3418; }
.button-secondary {
  background: transparent;
  color: var(--ink);
  border-color: rgba(67, 44, 24, 0.24);
}
.button-secondary:hover { background: rgba(112, 72, 38, 0.08); }
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(106, 62, 30, 0.12);
  color: var(--accent-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero {
  position: relative;
  min-height: clamp(620px, 78vh, 880px);
  display: flex;
  align-items: center;
  color: #f8f1e5;
  background:
    linear-gradient(180deg, rgba(23, 18, 14, 0.36), rgba(23, 18, 14, 0.58)),
    linear-gradient(90deg, rgba(37, 24, 14, 0.72), rgba(37, 24, 14, 0.2)),
    url('../img/hero-rio-grande-canyons-1940s.png') center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(243, 234, 216, 0.8) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 2rem;
  align-items: center;
  padding: 4rem 0;
}
.hero-copy { max-width: 700px; }
.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  margin: 0 0 1rem;
}
.hero p {
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  max-width: 60ch;
  color: rgba(255, 246, 233, 0.92);
}
.hero-card {
  background: rgba(245, 236, 221, 0.94);
  color: var(--ink);
  border: 1px solid rgba(71, 48, 27, 0.16);
  border-radius: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-card-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
}
.hero-card-copy {
  padding: 1.25rem 1.2rem 1.35rem;
}
.hero-card-copy h2 {
  margin: 0.2rem 0 0.8rem;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.12;
}
.hero-card-copy p { color: #4a392c; font-size: 0.98rem; }
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.paper-panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.38), rgba(255,255,255,0.06)), var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.feature-grid,
.two-col,
.cards,
.book-grid,
.detail-grid,
.timeline-grid,
.themes-grid {
  display: grid;
  gap: 1.5rem;
}
.two-col {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: start;
}
.feature-grid {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
}
.cards,
.book-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(251, 245, 234, 0.9);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-soft);
}
.card-image {
  aspect-ratio: 3 / 4;
  background: linear-gradient(180deg, #e2cfab, #c39e73);
}
.card-body {
  padding: 1.15rem 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
}
.card-title {
  font-size: 1.65rem;
  margin: 0;
}
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: auto;
}
.meta-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.2rem;
  margin: 0;
}
.meta-item {
  padding: 0.85rem 0.95rem;
  border-radius: 16px;
  background: rgba(108, 75, 41, 0.07);
}
.meta-item dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.meta-item dd {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}
.timeline {
  position: relative;
  margin-top: 1.5rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  background: rgba(115, 77, 43, 0.28);
}
.timeline-item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1.5rem;
}
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.32rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--accent);
}
.timeline-year {
  font-weight: 700;
  color: var(--accent-2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.quote-block {
  padding: 2rem;
  border-left: 5px solid rgba(108, 73, 42, 0.32);
  font-style: italic;
}
.quote-block p {
  margin: 0;
  font-size: 1.12rem;
}
.callout {
  padding: 1.25rem 1.25rem;
  border-radius: 18px;
  background: rgba(80, 107, 106, 0.08);
  border: 1px solid rgba(80, 107, 106, 0.16);
}
.page-banner {
  padding: 4rem 0 3rem;
  background: linear-gradient(180deg, rgba(112, 77, 43, 0.14), rgba(112, 77, 43, 0.03));
  border-bottom: 1px solid rgba(112, 77, 43, 0.08);
}
.page-banner .container {
  max-width: 920px;
}
.book-hero {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 2rem;
  align-items: start;
}
.book-cover-frame {
  padding: 0.9rem;
  background: rgba(255,255,255,0.28);
  border-radius: 22px;
  border: 1px solid rgba(89, 60, 38, 0.18);
  box-shadow: var(--shadow-soft);
}
.book-hero-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  margin: 0.3rem 0 0.75rem;
}
.book-detail-copy .button-group { margin-top: 1.3rem; }
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.info-box {
  padding: 1rem 1.1rem;
  border-radius: 16px;
  border: 1px solid rgba(89, 60, 38, 0.14);
  background: rgba(255, 255, 255, 0.24);
}
.info-box h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}
.promo-note {
  font-size: 0.88rem;
  color: var(--muted);
}
.site-footer {
  margin-top: 3rem;
  padding: 2rem 0 3rem;
  background: #e0ccb0;
  border-top: 1px solid rgba(89, 60, 38, 0.14);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 1.5rem;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li + li { margin-top: 0.45rem; }
.table-like {
  width: 100%;
  border-collapse: collapse;
}
.table-like tr + tr td,
.table-like tr + tr th {
  border-top: 1px solid rgba(89, 60, 38, 0.12);
}
.table-like th,
.table-like td {
  text-align: left;
  padding: 0.8rem 0.55rem;
  vertical-align: top;
}
.table-like th {
  width: 140px;
  color: var(--muted);
  font-weight: 700;
}
.cover-note {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  color: var(--muted);
}

@media (max-width: 980px) {
  .hero-inner,
  .feature-grid,
  .two-col,
  .cards,
  .book-grid,
  .book-hero,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-card-grid {
    grid-template-columns: 1fr;
  }
  .book-hero { gap: 1.5rem; }
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    padding: 0.9rem 0;
    flex-direction: column;
  }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    width: 100%;
    display: none;
  }
  .site-nav.open { display: block; }
  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .site-nav a {
    width: 100%;
    border-radius: 14px;
  }
  .meta-list,
  .info-grid {
    grid-template-columns: 1fr;
  }
  .section { padding: 3.75rem 0; }
  .hero { min-height: 540px; }
}