/* ============================================================
   PACK — Layer 1 hub
   Warm canvas + leather rust. Reuses tokens from styles.css.
   ============================================================ */

body.pack-page {
  --pack-charcoal: #1F1B16;
  --pack-rust: #B85C2D;
  --pack-rust-soft: #d8855b;
  --pack-tan: #E0CDAE;
  --pack-canvas: #f4ece0;
  --pack-cream: #faf6ee;
  --pack-line: rgba(31,27,22,0.12);
}
body.pack-page .nav { color: var(--pack-charcoal); }
body.pack-page .nav ul a.active { color: var(--pack-rust); }
body.pack-page .nav ul a.active::after { background: var(--pack-rust); }

/* Hero overrides nav to white */
body.pack-page .pack-hero ~ * { /* placeholder for cascading */ }

/* ========= Hero / masthead ========= */
.pack-hero {
  position: relative;
  min-height: 760px;
  padding: 180px 0 72px;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
  background: var(--pack-charcoal);
}
.pack-hero .hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: saturate(0.78) contrast(1.05);
  animation: kenburns 28s ease-in-out infinite alternate;
  z-index: -2;
}
.pack-hero .hero-scrim {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(31,27,22,0.55) 0%, rgba(31,27,22,0.42) 35%, rgba(31,27,22,0.85) 100%),
    linear-gradient(90deg, rgba(31,27,22,0.7) 0%, rgba(31,27,22,0.18) 60%);
  z-index: -1;
}
.pack-hero::before {
  content: "";
  position: absolute;
  top: 140px; right: -120px;
  width: 480px; height: 480px;
  border: 1px solid rgba(184,92,45,0.22);
  border-radius: 50%;
  pointer-events: none;
}
.pack-hero::after {
  content: "";
  position: absolute;
  top: 260px; right: 40px;
  width: 240px; height: 240px;
  border: 1px solid rgba(184,92,45,0.14);
  border-radius: 50%;
  pointer-events: none;
}
.pack-hero .hero-coord,
.pack-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;
}
.pack-hero .hero-coord {
  left: 48px;
  display: flex; align-items: center; gap: 10px;
}
.pack-hero .hero-coord::before {
  content: "";
  width: 28px; height: 1px; background: var(--pack-rust);
}
.pack-hero .hero-credit { right: 48px; }

.pack-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;
}
.pack-crumbs a { color: rgba(255,255,255,0.8); transition: color 0.2s; }
.pack-crumbs a:hover { color: var(--pack-rust-soft); }
.pack-crumbs .sep { opacity: 0.4; }
.pack-crumbs .here { color: var(--pack-rust-soft); }

.pack-mast {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
  position: relative;
  z-index: 2;
}
.pack-mast .kicker-row {
  display: flex; align-items: center; gap: 18px;
  margin-bottom: 24px;
}
.pack-mast .layer-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust-soft);
  padding: 6px 12px;
  border: 1px solid var(--pack-rust-soft);
  border-radius: 999px;
}
.pack-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);
}
.pack-mast h1 em {
  font-style: italic;
  color: var(--pack-rust-soft);
  display: block;
  font-size: 0.32em;
  letter-spacing: -0.005em;
  margin-top: 18px;
  font-weight: 400;
}
.pack-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);
}
.pack-mast .lede em { color: var(--pack-rust-soft); font-style: italic; }

.pack-mast .rhs {
  display: flex; flex-direction: column; gap: 20px;
  padding-bottom: 12px;
}
.pack-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(184,92,45,0.18);
  border: 1px solid rgba(184,92,45,0.22);
}
.pack-stats .stat {
  background: rgba(31,27,22,0.55);
  backdrop-filter: blur(12px);
  padding: 22px 24px;
}
.pack-stats .stat .n {
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 400;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.01em;
}
.pack-stats .stat .n em { font-style: italic; color: var(--pack-rust-soft); }
.pack-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;
}

.pack-toc {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid rgba(184,92,45,0.28);
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: nowrap;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.pack-toc::-webkit-scrollbar { display: none; }
.pack-toc .toc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--pack-rust-soft);
  text-transform: uppercase;
  flex-shrink: 0;
}
.pack-toc a {
  font-family: var(--serif);
  font-style: italic;
  font-size: 16px;
  color: #fff;
  transition: color 0.2s;
  flex-shrink: 0;
}
.pack-toc a:hover { color: var(--pack-rust-soft); }
.pack-toc a .num {
  font-family: var(--mono);
  font-style: normal;
  font-size: 9px;
  vertical-align: super;
  color: var(--pack-rust-soft);
  margin-right: 4px;
  letter-spacing: 0.1em;
}
.pack-toc .sep { display: none; }

/* ========= Chapter panel (shared) ========= */
.pack-luggage, .pack-system, .pack-climate, .pack-home {
  background: var(--pack-cream);
  padding: 96px 0;
}
.pack-system { background: var(--pack-canvas); }
.pack-home { background: var(--pack-cream); }

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

.pack-luggage .chapter-panel .img,
.pack-system .chapter-panel .img {
  position: relative;
  min-height: 520px;
  background-size: cover;
  background-position: center;
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(31,27,22,0.16);
}

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

body.pack-page .chapter-tag {
  display: inline-flex; align-items: center; gap: 14px;
  margin-bottom: 24px;
}
body.pack-page .chapter-tag .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  color: var(--pack-rust);
  line-height: 0.85;
  opacity: 0.9;
}
body.pack-page .chapter-tag .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-charcoal);
  opacity: 0.7;
  text-transform: uppercase;
  border-left: 1px solid var(--pack-rust);
  padding-left: 14px;
}
body.pack-page .chapter-tag.light .label { color: rgba(255,255,255,0.7); border-left-color: var(--pack-rust-soft); }
body.pack-page .chapter-tag.light .num { color: var(--pack-rust-soft); }

body.pack-page section h2.serif,
body.pack-page .chapter-panel h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 5.5vw, 72px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--pack-charcoal);
  line-height: 1;
}
body.pack-page section h2.serif em,
body.pack-page .chapter-panel h2 em { font-style: italic; color: var(--pack-rust); }

body.pack-page .pack-carry-on h2.serif { color: #fff; }
body.pack-page .pack-carry-on h2.serif em { color: var(--pack-rust-soft); }

body.pack-page .dek {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(31,27,22,0.78);
  max-width: 520px;
}
body.pack-page .pack-carry-on .dek { color: rgba(255,255,255,0.82); }

.pack-luggage .bullet-rows,
.pack-system .bullet-rows {
  margin-top: 36px;
  display: flex; flex-direction: column;
  border-top: 1px solid var(--pack-line);
}
.pack-luggage .bullet-row,
.pack-system .bullet-row {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  gap: 28px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pack-line);
  align-items: baseline;
}
.pack-luggage .bullet-row .bl,
.pack-system .bullet-row .bl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--pack-rust);
  text-transform: uppercase;
}
.pack-luggage .bullet-row .bv,
.pack-system .bullet-row .bv {
  font-family: var(--serif);
  font-style: italic;
  font-size: 19px;
  color: var(--pack-charcoal);
  line-height: 1.35;
}

.pack-luggage .chapter-coord,
.pack-system .chapter-coord {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-charcoal);
  opacity: 0.55;
  text-transform: uppercase;
}

/* ========= Chapter I — Luggage cards ========= */
.pack-luggage .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
}
.luggage-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.lg-head .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.lg-head h3 {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1.05;
  color: var(--pack-charcoal);
  font-weight: 400;
}
.lg-head h3 em { font-style: italic; color: var(--pack-rust); }
.lg-head p {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(31,27,22,0.74);
}
.lg-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.luggage-card {
  background: #fff;
  border: 1px solid var(--pack-line);
  border-radius: 4px;
  padding: 28px;
  display: flex; flex-direction: column;
  gap: 12px;
  transition: transform 0.4s cubic-bezier(0.2,0.9,0.2,1), box-shadow 0.4s;
}
.luggage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(31,27,22,0.14);
}
.luggage-card .lc-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.luggage-card .glyph {
  width: 48px; height: 48px;
  border: 1px solid var(--pack-rust);
  color: var(--pack-rust);
  font-family: var(--serif);
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.luggage-card .lc-coord {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: rgba(31,27,22,0.6);
  text-transform: uppercase;
  text-align: right;
}
.luggage-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--pack-charcoal);
  line-height: 1.05;
}
.luggage-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(31,27,22,0.72);
}
.luggage-card .lc-spec {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--pack-line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust);
  text-transform: uppercase;
}

/* ========= Chapter II — System (panel + rules + methods) ========= */
.pack-system .container { display: grid; grid-template-columns: 1fr; gap: 56px; }
.sys-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.sys-aside {
  background: #fff;
  padding: 36px;
  border: 1px solid var(--pack-line);
  border-radius: 4px;
  position: sticky; top: 40px;
}
.sys-aside .aside-head .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.sys-aside .aside-head h3 {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1.05;
  color: var(--pack-charcoal);
  font-weight: 400;
}
.sys-aside .aside-head h3 em { font-style: italic; color: var(--pack-rust); }
.sys-aside p {
  margin-top: 16px;
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(31,27,22,0.72);
}
.sys-rules { margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.sys-rules .rule {
  display: grid; grid-template-columns: auto 1fr; gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--pack-line);
}
.sys-rules .rule:last-child { border-bottom: 1px solid var(--pack-line); }
.sys-rules .rule .rn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pack-rust);
  padding-top: 4px;
}
.sys-rules .rule strong {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  color: var(--pack-charcoal);
  font-weight: 500;
  margin-bottom: 6px;
}
.sys-rules .rule span {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(31,27,22,0.7);
}
.sys-aside .aside-cta {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pack-rust);
  text-transform: uppercase;
  display: inline-block;
  border: 1px solid var(--pack-rust);
  padding: 12px 18px;
  border-radius: 999px;
  transition: all 0.25s;
}
.sys-aside .aside-cta:hover { background: var(--pack-rust); color: #fff; }

.sys-right { display: flex; flex-direction: column; gap: 40px; }
.sys-right .chapter-panel { grid-template-columns: 1fr !important; gap: 32px; }
.sys-right .chapter-panel .img { min-height: 360px; }
.method-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.method-card {
  background: #fff;
  border: 1px solid var(--pack-line);
  border-radius: 4px;
  padding: 24px;
  display: flex; flex-direction: column;
  gap: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.method-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(31,27,22,0.12);
}
.method-card .mc-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.method-card .mc-method {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust);
  text-transform: uppercase;
}
.method-card .mc-icon {
  width: 32px; height: 32px;
  border: 1px solid var(--pack-rust);
  color: var(--pack-rust);
  font-family: var(--serif);
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.method-card .mc-price {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(31,27,22,0.55);
  text-transform: uppercase;
}
.method-card h3 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--pack-charcoal);
  line-height: 1.05;
  margin-top: 4px;
}
.method-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(31,27,22,0.72);
}

/* ========= Chapter III — Climate ========= */
.pack-climate { background: var(--pack-cream); padding: 120px 0; }
.climate-head { margin-bottom: 56px; max-width: 760px; }
.climate-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: stretch;
}
.climate-image {
  position: relative;
  min-height: 600px;
  background-size: cover;
  background-position: center;
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(31,27,22,0.14);
}
.climate-image .ci-coord {
  position: absolute;
  bottom: 20px; left: 20px;
  background: rgba(31,27,22,0.7);
  color: #fff;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.climate-rules {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-content: start;
}
.rule-card {
  background: #fff;
  border: 1px solid var(--pack-line);
  border-radius: 4px;
  padding: 24px;
  display: flex; flex-direction: column;
  gap: 8px;
}
.rule-card .rc-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust);
  text-transform: uppercase;
}
.rule-card h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--pack-charcoal);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.rule-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(31,27,22,0.72);
}

/* ========= Chapter IV — Carry-On (dark) ========= */
.pack-carry-on {
  position: relative;
  background: var(--pack-charcoal);
  color: #fff;
  padding: 120px 0;
  overflow: hidden;
}
.pack-carry-on .bg-overlay {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(184,92,45,0.14) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(184,92,45,0.08) 0%, transparent 35%);
  pointer-events: none;
}
.pack-carry-on .container { position: relative; z-index: 1; }
.co-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.co-intro h2 { color: #fff; }
.co-intro .pull-quote {
  margin-top: 40px;
  padding: 32px 36px;
  border-left: 2px solid var(--pack-rust-soft);
  background: rgba(255,255,255,0.04);
  position: relative;
}
.co-intro .pull-quote .quote-mark {
  position: absolute;
  top: -10px; left: 18px;
  font-family: var(--serif);
  font-size: 64px;
  color: var(--pack-rust-soft);
  line-height: 1;
  opacity: 0.7;
}
.co-intro .pull-quote p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: #fff;
}
.co-intro .pull-quote cite {
  display: block;
  margin-top: 18px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust-soft);
  text-transform: uppercase;
}
.co-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.co-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 24px;
  transition: all 0.3s;
}
.co-card:hover {
  background: rgba(184,92,45,0.08);
  border-color: rgba(184,92,45,0.4);
}
.co-card .co-mark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pack-rust-soft);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.co-card h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 400;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 8px;
}
.co-card p {
  font-size: 13.5px;
  line-height: 1.6;
  color: rgba(255,255,255,0.78);
}

/* ========= Chapter V — What Stays Home ========= */
.pack-home { background: var(--pack-cream); padding: 120px 0; }
.home-head { margin-bottom: 56px; max-width: 760px; }
.home-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--pack-line);
}
.home-row {
  display: grid;
  grid-template-columns: 80px 1fr 60px;
  gap: 32px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid var(--pack-line);
  transition: background 0.3s;
}
.home-row:hover { background: rgba(184,92,45,0.04); }
.home-row .hr-tag {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--pack-rust);
}
.home-row .hr-body h4 {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  color: var(--pack-charcoal);
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-decoration: line-through;
  text-decoration-color: rgba(184,92,45,0.4);
  text-decoration-thickness: 2px;
  margin-bottom: 6px;
}
.home-row .hr-body p {
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(31,27,22,0.72);
  max-width: 720px;
}
.home-row .hr-strike {
  font-family: var(--serif);
  font-size: 48px;
  color: var(--pack-rust);
  text-align: center;
  line-height: 1;
  opacity: 0.4;
  transition: opacity 0.3s;
}
.home-row:hover .hr-strike { opacity: 0.85; }

/* ========= CTA ========= */
.pack-cta {
  position: relative;
  min-height: 480px;
  overflow: hidden;
  isolation: isolate;
  display: flex; align-items: center;
  padding: 100px 0;
}
.pack-cta .bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: -2;
}
.pack-cta::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(31,27,22,0.92) 0%, rgba(31,27,22,0.55) 60%, rgba(31,27,22,0.4) 100%);
  z-index: -1;
}
.pack-cta .inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  color: #fff;
}
.pack-cta .lhs { max-width: 620px; }
.pack-cta .kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--pack-rust-soft);
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.pack-cta .kicker::before {
  content: "";
  width: 28px; height: 1px; background: var(--pack-rust-soft);
}
.pack-cta h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 84px);
  line-height: 1;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: #fff;
}
.pack-cta h2 em { font-style: italic; color: var(--pack-rust-soft); }
.pack-cta p {
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.6;
  color: rgba(255,255,255,0.86);
  max-width: 520px;
}
.pack-cta .cta-actions {
  display: flex; gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.pack-cta .btn-primary {
  display: inline-block;
  background: var(--pack-rust);
  color: #fff;
  padding: 16px 28px;
  border-radius: 999px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: all 0.2s;
}
.pack-cta .btn-primary:hover { background: var(--pack-rust-soft); transform: translateY(-2px); }
.pack-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;
}
.pack-cta .btn-ghost:hover { background: rgba(255,255,255,0.08); }
.pack-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;
}
.pack-cta .coord:not(.right) { left: 48px; }
.pack-cta .coord.right { right: 48px; }

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

.pack-reading .card-rows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pack-reading .reading-card {
  display: flex; flex-direction: column;
  background: var(--pack-cream);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.2,0.9,0.2,1), box-shadow 0.4s;
}
.pack-reading .reading-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(31,27,22,0.12);
}
.pack-reading .reading-card .rc-img {
  height: 160px;
  background-size: cover;
  background-position: center;
}
.pack-reading .reading-card .rc-body { padding: 18px 20px 22px; }
.pack-reading .reading-card .rc-meta {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.pack-reading .reading-card .rc-meta .tag {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--pack-rust);
  text-transform: uppercase;
}
.pack-reading .reading-card .rc-meta .dur {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(31,27,22,0.6);
  text-transform: uppercase;
}
.pack-reading .reading-card h4 {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.3;
  font-weight: 500;
  color: var(--pack-charcoal);
}

.pack-reading .faq-list { display: flex; flex-direction: column; gap: 0; }
.pack-reading .faq-item {
  border-top: 1px solid var(--pack-line);
  padding: 22px 0;
  cursor: pointer;
}
.pack-reading .faq-item:last-child { border-bottom: 1px solid var(--pack-line); }
.pack-reading .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(--pack-charcoal);
  letter-spacing: -0.005em;
}
.pack-reading .faq-item .toggle {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--pack-rust);
  flex-shrink: 0;
  transition: transform 0.25s;
}
.pack-reading .faq-item.open .toggle { transform: rotate(45deg); }
.pack-reading .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: rgba(31,27,22,0.72);
}
.pack-reading .faq-item.open .a {
  max-height: 360px;
  margin-top: 14px;
}

/* ========= Responsive ========= */
@media (max-width: 1024px) {
  .pack-mast { grid-template-columns: 1fr; gap: 36px; }
  .pack-luggage .chapter-panel,
  .pack-system .chapter-panel { grid-template-columns: 1fr !important; gap: 32px; }
  .luggage-grid { grid-template-columns: 1fr; }
  .lg-cards { grid-template-columns: 1fr 1fr; }
  .sys-grid { grid-template-columns: 1fr; }
  .sys-aside { position: static; }
  .method-cards { grid-template-columns: 1fr; }
  .climate-grid { grid-template-columns: 1fr; gap: 32px; }
  .climate-rules { grid-template-columns: 1fr 1fr; }
  .co-grid { grid-template-columns: 1fr; gap: 40px; }
  .co-list { grid-template-columns: 1fr 1fr; }
  .home-row { grid-template-columns: 60px 1fr 40px; gap: 20px; }
  .pack-reading .reading-grid { grid-template-columns: 1fr; }
  .pack-reading .card-rows { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .pack-hero { padding: 140px 0 56px; min-height: 640px; }
  .pack-mast h1 { font-size: clamp(64px, 14vw, 96px); }
  .pack-stats { grid-template-columns: 1fr; }
  .lg-cards { grid-template-columns: 1fr; }
  .sys-aside, .luggage-card, .method-card, .rule-card, .co-card { padding: 22px; }
  .climate-rules { grid-template-columns: 1fr; }
  .climate-image { min-height: 320px; }
  .co-list { grid-template-columns: 1fr; }
  .home-row { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .home-row .hr-strike { display: none; }
  .home-row .hr-body h4 { font-size: 22px; }
  .pack-cta .inner { padding: 0 24px; }
  body.pack-page .container { padding: 0 24px; }
}