/* ============================================================
   BOOK — Layer 1 hub
   Dark navy hero, gold accents. Reuses tokens from styles.css.
   ============================================================ */

body.book-page {
  --book-navy: #0F1923;
  --book-gold: #C9A84C;
  --book-gold-soft: #d8bd6e;
  --book-ink: #1a1612;
}
body.book-page .nav { color: #fff; }

/* ========= Hero / masthead ========= */
.book-hero {
  position: relative;
  min-height: 760px;
  padding: 180px 0 72px;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  background: var(--book-navy);
}
.book-hero .hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  animation: kenburns 28s ease-in-out infinite alternate;
  z-index: -2;
}
.book-hero .hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(15,25,35,0.55) 0%, rgba(15,25,35,0.42) 35%, rgba(15,25,35,0.85) 100%),
    linear-gradient(90deg, rgba(15,25,35,0.65) 0%, rgba(15,25,35,0.15) 60%);
  z-index: -1;
}
.book-hero::before {
  content: "";
  position: absolute;
  top: 140px; right: -120px;
  width: 480px; height: 480px;
  border: 1px solid rgba(201,168,76,0.18);
  border-radius: 50%;
  pointer-events: none;
}
.book-hero::after {
  content: "";
  position: absolute;
  top: 260px; right: 40px;
  width: 240px; height: 240px;
  border: 1px solid rgba(201,168,76,0.12);
  border-radius: 50%;
  pointer-events: none;
}
.book-hero .hero-coord,
.book-hero .hero-credit {
  position: absolute;
  bottom: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.78);
  text-transform: uppercase;
  z-index: 2;
}
.book-hero .hero-coord {
  left: 48px;
  display: flex; align-items: center; gap: 10px;
}
.book-hero .hero-coord::before {
  content: "";
  width: 28px; height: 1px; background: var(--book-gold);
}
.book-hero .hero-credit { right: 48px; }

.book-crumbs {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.8);
  text-transform: uppercase;
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 48px;
}
.book-crumbs a { color: rgba(255,255,255,0.8); transition: color 0.2s; }
.book-crumbs a:hover { color: var(--book-gold); }
.book-crumbs .sep { opacity: 0.4; }
.book-crumbs .here { color: var(--book-gold); }

.book-mast {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
  position: relative;
  z-index: 2;
}
.book-mast .kicker-row {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 24px;
}
.book-mast .layer-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  padding: 6px 12px;
  border: 1px solid var(--book-gold);
  border-radius: 999px;
}
.book-mast h1 {
  font-family: var(--serif);
  font-size: clamp(96px, 13vw, 220px);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: #fff;
  text-shadow: 0 4px 40px rgba(0,0,0,0.3);
}
.book-mast h1 em {
  font-style: italic;
  color: var(--book-gold);
  display: block;
  font-size: 0.42em;
  letter-spacing: -0.01em;
  margin-top: 14px;
}
.book-mast .lede {
  margin-top: 32px;
  font-size: 18px;
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
  max-width: 540px;
  text-shadow: 0 1px 20px rgba(0,0,0,0.3);
}
.book-mast .lede em { color: var(--book-gold); font-style: italic; }

.book-mast .rhs {
  display: flex; flex-direction: column; gap: 20px;
  padding-bottom: 12px;
}
.book-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(201,168,76,0.18);
  border: 1px solid rgba(201,168,76,0.22);
  backdrop-filter: blur(12px);
  background-color: rgba(15,25,35,0.45);
}
.book-stats .stat {
  background: rgba(15,25,35,0.55);
  backdrop-filter: blur(12px);
  padding: 22px 24px;
}
.book-stats .stat .n {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.01em;
}
.book-stats .stat .n em { font-style: italic; color: var(--book-gold); }
.book-stats .stat .l {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.78);
  text-transform: uppercase;
  margin-top: 8px;
}

.book-toc {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(201,168,76,0.25);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.book-toc::-webkit-scrollbar { display: none; }
.book-toc .toc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--book-gold);
  text-transform: uppercase;
  flex-shrink: 0;
}
.book-toc a {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: #fff;
  transition: color 0.2s;
  flex-shrink: 0;
}
.book-toc a:hover { color: var(--book-gold); }
.book-toc a .num {
  font-family: var(--mono);
  font-style: normal;
  font-size: 9px;
  vertical-align: super;
  color: var(--book-gold);
  margin-right: 4px;
  letter-spacing: 0.1em;
}
.book-toc .sep { display: none; }

/* ========= Chapter panel (Flights & Accommodation) ========= */
.book-flights, .book-accommodation {
  background: var(--cream);
  padding: 96px 0;
}
.book-accommodation { background: #f6f1e6; }

.chapter-panel {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: stretch;
}
.chapter-panel.side-right { grid-template-columns: 1fr 1.05fr; }

.chapter-panel .img {
  position: relative;
  min-height: 520px;
  background-size: cover;
  background-position: center;
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(20,40,53,0.16);
}

.chapter-panel .panel-body {
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 12px 0;
  position: relative;
}

.chapter-tag {
  display: inline-flex; align-items: center; gap: 14px;
  margin-bottom: 24px;
}
.chapter-tag .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  color: var(--book-gold);
  line-height: 0.85;
  opacity: 0.85;
}
.chapter-tag .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-ink);
  opacity: 0.7;
  text-transform: uppercase;
  border-left: 1px solid var(--book-gold);
  padding-left: 14px;
}
.chapter-tag.light .label { color: rgba(255,255,255,0.7); border-left-color: var(--book-gold); }
.chapter-tag.light .num { color: var(--book-gold); }

.chapter-panel h2,
.book-ground h2,
.book-insurance h2,
.book-timing h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 5.5vw, 72px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--teal-deep);
  line-height: 1;
}
.chapter-panel h2 em,
.book-ground h2 em,
.book-insurance h2 em,
.book-timing h2 em { font-style: italic; color: var(--book-gold); }

.book-insurance h2 { color: #fff; }

.chapter-panel .dek,
.book-ground .dek,
.book-insurance .dek,
.book-timing .dek {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-mute);
  max-width: 520px;
}
.book-insurance .dek { color: rgba(255,255,255,0.82); }

.chapter-panel .bullet-rows {
  margin-top: 36px;
  display: flex; flex-direction: column;
  border-top: 1px solid rgba(20,40,53,0.12);
}
.chapter-panel .bullet-row {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  gap: 28px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(20,40,53,0.12);
  align-items: baseline;
}
.chapter-panel .bullet-row .bl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--book-gold);
  text-transform: uppercase;
}
.chapter-panel .bullet-row .bv {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--teal-deep);
  line-height: 1.35;
}

.chapter-panel .chapter-coord {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-ink);
  opacity: 0.55;
  text-transform: uppercase;
}

/* Flights aside (panel + sidebar) */
.book-flights .container,
.book-accommodation .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}
.book-flights .container > .chapter-panel { grid-column: 1; }

.flights-aside {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 36px 40px;
  background: #fff;
  border: 1px solid rgba(20,40,53,0.1);
  border-radius: 4px;
  box-shadow: 0 6px 24px rgba(20,40,53,0.06);
}
.flights-aside .aside-head .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.flights-aside .aside-head h3 {
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.05;
  color: var(--teal-deep);
  font-weight: 400;
}
.flights-aside .aside-head h3 em { font-style: italic; color: var(--book-gold); }
.flights-aside p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mute);
  max-width: 480px;
}
.flights-aside .aside-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-left: 1px solid var(--line);
  grid-column: 1 / -1;
  margin-top: 8px;
}
.flights-aside .aside-cell {
  border-right: 1px solid var(--line);
  padding: 14px 18px;
}
.flights-aside .aside-cell .aside-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 32px;
  color: var(--book-gold);
  line-height: 1;
}
.flights-aside .aside-cell .aside-l {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-top: 6px;
}
.flights-aside .aside-cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--book-gold);
  text-transform: uppercase;
  white-space: nowrap;
  border: 1px solid var(--book-gold);
  padding: 12px 18px;
  border-radius: 999px;
  transition: all 0.25s;
}
.flights-aside .aside-cta:hover { background: var(--book-gold); color: #fff; }

/* Accommodation aside (rules) */
.book-accommodation .container { grid-template-columns: 1fr; }
.accom-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: stretch;
}
.accom-aside {
  background: #fff;
  padding: 40px;
  border: 1px solid rgba(20,40,53,0.1);
  border-radius: 4px;
  display: flex; flex-direction: column;
}
.accom-aside .aside-head .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.accom-aside .aside-head h3 {
  font-family: var(--serif);
  font-size: 36px;
  line-height: 1.05;
  color: var(--teal-deep);
  font-weight: 400;
}
.accom-aside .aside-head h3 em { font-style: italic; color: var(--book-gold); }
.accom-aside p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-mute);
}
.rule-list { margin-top: 28px; display: flex; flex-direction: column; gap: 18px; }
.rule {
  display: grid; grid-template-columns: auto 1fr; gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.rule:last-child { border-bottom: 1px solid var(--line); }
.rule .rn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--book-gold);
  padding-top: 4px;
}
.rule strong {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--teal-deep);
  font-weight: 500;
  margin-bottom: 6px;
}
.rule span {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-mute);
}
.accom-aside .aside-cta {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--book-gold);
  text-transform: uppercase;
  align-self: flex-start;
  border: 1px solid var(--book-gold);
  padding: 12px 18px;
  border-radius: 999px;
  transition: all 0.25s;
}
.accom-aside .aside-cta:hover { background: var(--book-gold); color: #fff; }

/* ========= Chapter III — Ground transport ========= */
.book-ground {
  background: var(--cream);
  padding: 96px 0;
}
.ground-head {
  margin-bottom: 56px;
  max-width: 760px;
}
.transport-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.transport-card {
  background: #fff;
  border: 1px solid rgba(20,40,53,0.1);
  border-radius: 4px;
  padding: 32px;
  display: flex; flex-direction: column;
  gap: 14px;
  transition: transform 0.4s cubic-bezier(0.2,0.9,0.2,1), box-shadow 0.4s;
}
.transport-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(20,40,53,0.14);
}
.transport-card .card-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.transport-card .glyph {
  width: 48px; height: 48px;
  border: 1px solid var(--book-gold);
  color: var(--book-gold);
  font-family: var(--serif);
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.transport-card .card-coord {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.transport-card h3 {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--teal-deep);
  line-height: 1.05;
}
.transport-card p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-mute);
}
.transport-card .card-spec {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
}

/* ========= Chapter IV — Insurance (dark) ========= */
.book-insurance {
  position: relative;
  background: var(--book-navy);
  color: #fff;
  padding: 120px 0;
  overflow: hidden;
}
.book-insurance .bg-overlay {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(201,168,76,0.12) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(201,168,76,0.08) 0%, transparent 35%);
  pointer-events: none;
}
.book-insurance .container { position: relative; z-index: 1; }

.insurance-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: start;
}
.insurance-intro h2 { color: #fff; }
.pull-quote {
  margin-top: 40px;
  padding: 32px 36px;
  border-left: 2px solid var(--book-gold);
  background: rgba(255,255,255,0.04);
  position: relative;
}
.pull-quote .quote-mark {
  position: absolute;
  top: -10px; left: 18px;
  font-family: var(--serif);
  font-size: 64px;
  color: var(--book-gold);
  line-height: 1;
  opacity: 0.7;
}
.pull-quote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: #fff;
}
.pull-quote cite {
  display: block;
  margin-top: 18px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
}

.insurance-tiers {
  display: flex; flex-direction: column;
  gap: 18px;
}
.tier-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 28px 32px;
  transition: all 0.3s;
}
.tier-card:hover {
  background: rgba(201,168,76,0.08);
  border-color: rgba(201,168,76,0.4);
}
.tier-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.tier-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
}
.tier-icon {
  width: 36px; height: 36px;
  border: 1px solid rgba(201,168,76,0.5);
  color: var(--book-gold);
  font-family: var(--serif);
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.tier-price {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  color: var(--book-gold);
  line-height: 1;
}
.tier-card h3 {
  margin-top: 6px;
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: #fff;
}
.tier-card p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,0.78);
}

/* ========= Chapter V — Timing strategy timeline ========= */
.book-timing {
  background: var(--cream);
  padding: 120px 0;
}
.timing-head {
  text-align: center;
  margin-bottom: 72px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.timing-head .chapter-tag { justify-content: center; }
.timing-head .dek { margin-left: auto; margin-right: auto; }

.timeline {
  position: relative;
  padding: 24px 0;
  max-width: 920px;
  margin: 0 auto;
}
.timeline .rail {
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--book-gold) 8%, var(--book-gold) 92%, transparent);
  transform: translateX(-50%);
}
.tl-item {
  position: relative;
  display: flex;
  width: 100%;
  margin-bottom: 28px;
}
.tl-item.left { justify-content: flex-start; }
.tl-item.right { justify-content: flex-end; }

.tl-item .tl-dot {
  position: absolute;
  top: 32px;
  left: 50%;
  width: 12px; height: 12px;
  background: var(--book-gold);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--cream), 0 0 0 5px var(--book-gold);
}

.tl-card {
  width: 44%;
  background: #fff;
  border: 1px solid rgba(20,40,53,0.1);
  border-radius: 4px;
  padding: 24px 28px;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.tl-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(20,40,53,0.1); }

.tl-mark {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tl-card h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--teal-deep);
  line-height: 1.15;
  margin-bottom: 10px;
}
.tl-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mute);
}

/* ========= CTA ========= */
.book-cta {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  isolation: isolate;
  display: flex; align-items: center;
  padding: 100px 0;
}
.book-cta .bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.book-cta::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,25,35,0.92) 0%, rgba(15,25,35,0.55) 60%, rgba(15,25,35,0.4) 100%);
  z-index: -1;
}
.book-cta .inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  color: #fff;
}
.book-cta .lhs { max-width: 620px; }
.book-cta .kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.book-cta .kicker::before {
  content: "";
  width: 28px; height: 1px; background: var(--book-gold);
}
.book-cta h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 84px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
}
.book-cta h2 em { font-style: italic; color: var(--book-gold); }
.book-cta p {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.86);
  max-width: 520px;
}
.book-cta .cta-actions {
  display: flex; gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.book-cta .btn-primary {
  display: inline-block;
  background: var(--book-gold);
  color: var(--book-navy);
  padding: 16px 28px;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: all 0.2s;
}
.book-cta .btn-primary:hover { background: var(--book-gold-soft); transform: translateY(-2px); }
.book-cta .btn-ghost {
  display: inline-block;
  padding: 16px 22px;
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  transition: all 0.2s;
}
.book-cta .btn-ghost:hover { background: rgba(255,255,255,0.08); }
.book-cta .coord {
  position: absolute;
  bottom: 24px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
}
.book-cta .coord:not(.right) { left: 48px; }
.book-cta .coord.right { right: 48px; }

/* ========= Reading list + FAQ ========= */
.book-reading {
  background: #fff;
  padding: 120px 0;
}
.reading-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: start;
}
.read-col .head, .faq-col .head { margin-bottom: 28px; }
.read-col .head .lbl, .faq-col .head .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.read-col .head .lbl .dot, .faq-col .head .lbl .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--book-gold);
}
.read-col .head h3, .faq-col .head h3 {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--teal-deep);
  font-weight: 400;
}
.read-col .head h3 em, .faq-col .head h3 em { font-style: italic; color: var(--book-gold); }

.card-rows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.reading-card {
  display: flex; flex-direction: column;
  background: var(--cream);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2,0.9,0.2,1), box-shadow 0.4s;
}
.reading-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(20,40,53,0.12);
}
.reading-card .rc-img {
  height: 160px;
  background-size: cover;
  background-position: center;
}
.reading-card .rc-body { padding: 18px 20px 22px; }
.reading-card .rc-meta {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.reading-card .rc-meta .tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--book-gold);
  text-transform: uppercase;
}
.reading-card .rc-meta .dur {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.reading-card h4 {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  font-weight: 500;
  color: var(--teal-deep);
}

.faq-list { display: flex; flex-direction: column; gap: 0; }
.faq-item {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  cursor: pointer;
}
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item .q {
  display: flex; justify-content: space-between; align-items: center;
  gap: 18px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 500;
  color: var(--teal-deep);
  letter-spacing: -0.005em;
}
.faq-item .toggle {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--book-gold);
  flex-shrink: 0;
  transition: transform 0.25s;
}
.faq-item.open .toggle { transform: rotate(45deg); }
.faq-item .a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin-top 0.4s ease;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-mute);
}
.faq-item.open .a {
  max-height: 360px;
  margin-top: 14px;
}

/* ========= Responsive ========= */
@media (max-width: 1024px) {
  .book-mast { grid-template-columns: 1fr; gap: 36px; }
  .chapter-panel, .accom-grid { grid-template-columns: 1fr !important; gap: 32px; }
  .insurance-grid { grid-template-columns: 1fr; gap: 40px; }
  .transport-grid { grid-template-columns: 1fr; }
  .reading-grid { grid-template-columns: 1fr; }
  .card-rows { grid-template-columns: 1fr; }
  .timeline .rail { left: 18px; }
  .tl-item.left, .tl-item.right { justify-content: flex-start; padding-left: 48px; }
  .tl-item .tl-dot { left: 18px; }
  .tl-card { width: 100%; }
}
@media (max-width: 720px) {
  .book-hero { padding: 140px 0 56px; min-height: 640px; }
  .book-mast h1 { font-size: clamp(64px, 14vw, 96px); }
  .book-stats { grid-template-columns: 1fr; }
  .flights-aside { grid-template-columns: 1fr; gap: 18px; padding: 24px; }
  .flights-aside .aside-grid { grid-template-columns: repeat(2, 1fr); }
  .accom-aside, .tl-card, .transport-card, .tier-card { padding: 24px; }
  .book-cta .inner { padding: 0 24px; }
  .container { padding: 0 24px; }
}