:root {
  --bg-canvas: #f3e9d8;
  --bg-surface: #ffffff;
  --bg-surface-translucent: rgba(255, 255, 255, 0.92);
  --bg-sand-depth: #e8dbca;
  --text-primary: #262626;
  --text-muted: #5e5850;
  --accent-primary: #b86214;
  --accent-hover: #984e0e;
  --accent-ochre-glow: rgba(184, 98, 20, 0.18);
  --border-subtle: #d6c6b2;
  --border-strong: #262626;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 10px 24px -4px rgba(38, 38, 38, 0.12);
  --font-base: "Trebuchet MS", "Segoe UI", -apple-system, sans-serif;
  --font-mono: "Courier New", Courier, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-base);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  overflow-wrap: anywhere;
  hyphens: auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* TOP COORDINATE BAR */
.coord-bar {
  background-color: #1e1b18;
  color: #c9bfb0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 6px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--accent-primary);
}

.coord-tag {
  color: #e59955;
  font-weight: 700;
}

/* HEADER & NAVIGATION */
.site-header {
  position: static;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--text-primary);
  width: 100%;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-mark {
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 900;
  font-size: 1.25rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--text-primary);
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.brand-sub {
  display: block;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 2px;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width 0.3s var(--ease-kinetic);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--accent-primary);
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-surface);
  border: 2px solid var(--text-primary);
  font-size: 1.5rem;
  line-height: 1;
  padding: 6px 12px;
  cursor: pointer;
  color: var(--text-primary);
}

.mobile-nav-drawer {
  display: none;
  background-color: var(--bg-surface);
  border-bottom: 3px solid var(--accent-primary);
  padding: 16px 24px;
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-nav-list a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  text-transform: uppercase;
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* MAIN LAYOUT WRAPPERS */
main {
  flex: 1;
}

.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

.reading-container {
  max-width: 72ch;
  margin: 0 auto;
}

/* TYPOGRAPHY */
h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 800;
}

h1 {
  font-size: 2.6rem;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

h2 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  border-left: 5px solid var(--accent-primary);
  padding-left: 14px;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

p {
  margin-bottom: 18px;
}

.lead-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 28px;
}

.badge {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 10px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* BUTTONS */
.btn-ochre {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  padding: 14px 28px;
  border: 2px solid var(--text-primary);
  border-radius: 0px;
  cursor: pointer;
  transition: transform 0.2s var(--ease-kinetic), background-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 4px 4px 0px var(--text-primary);
}

.btn-ochre:hover {
  background-color: var(--accent-hover);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px var(--text-primary);
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--text-primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  padding: 14px 28px;
  border: 2px solid var(--text-primary);
  border-radius: 0px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: var(--bg-surface);
  color: var(--accent-primary);
}

/* HERO SECTION WITH THREE LAYERED OVERLAND PHOTOS */
.hero-expedition {
  background: linear-gradient(180deg, #ecdcc8 0%, var(--bg-canvas) 100%);
  border-bottom: 2px solid var(--border-subtle);
  padding: 60px 24px 80px 24px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-visual-stack {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(10, 36px);
  position: relative;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 2px solid var(--text-primary);
  box-shadow: 6px 6px 0px rgba(38, 38, 38, 0.4);
}

.img-pos-1 {
  grid-column: 1 / 10;
  grid-row: 1 / 8;
  z-index: 1;
}

.img-pos-2 {
  grid-column: 5 / 13;
  grid-row: 4 / 11;
  z-index: 2;
}

.img-pos-3 {
  grid-column: 2 / 7;
  grid-row: 6 / 11;
  z-index: 3;
}

/* STAT STRIP */
.stat-strip {
  background-color: var(--bg-surface);
  border-top: 2px solid var(--text-primary);
  border-bottom: 2px solid var(--text-primary);
  padding: 24px 0;
  margin-bottom: 60px;
}

.stat-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.stat-card {
  border-left: 3px solid var(--accent-primary);
  padding-left: 16px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ALTERNATING SPLIT CHAPTERS */
.split-chapter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
  padding: 32px 0;
}

.split-chapter.reverse {
  direction: rtl;
}

.split-chapter.reverse .split-content {
  direction: ltr;
}

.split-chapter.reverse .split-media {
  direction: ltr;
}

.split-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border: 2px solid var(--text-primary);
  box-shadow: 8px 8px 0px var(--accent-primary);
  display: block;
}

.split-content {
  background-color: var(--bg-surface-translucent);
  padding: 32px;
  border: 1px solid var(--border-subtle);
  border-top: 4px solid var(--accent-primary);
}

/* DIAGONAL SECTION DIVIDERS */
.slash-divider {
  height: 48px;
  background-color: var(--bg-sand-depth);
  clip-path: polygon(0 0, 100% 100%, 100% 0);
  margin: 40px 0;
}

/* CARDS & GRIDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin: 40px 0;
}

.translucent-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  padding: 28px;
  position: relative;
  transition: transform 0.2s var(--ease-kinetic), border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow-elevation);
}

.translucent-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 16px 32px -4px var(--accent-ochre-glow);
}

.translucent-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border: 1px solid var(--text-primary);
  margin-bottom: 18px;
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-primary);
  font-weight: 700;
  margin-bottom: 8px;
}

/* FIELD CHECKLIST & PROTOCOLS */
.checklist-box {
  background-color: #262626;
  color: #f3e9d8;
  padding: 32px;
  border: 2px solid var(--accent-primary);
  margin: 40px 0;
}

.checklist-box h3 {
  color: #ffffff;
  border-bottom: 1px solid var(--accent-primary);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.check-badge {
  background-color: var(--accent-primary);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 800;
  padding: 2px 8px;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* DISPATCH GENERATOR TOOL */
.tool-container {
  background-color: var(--bg-surface);
  border: 2px solid var(--text-primary);
  padding: 36px;
  margin: 48px 0;
  box-shadow: 6px 6px 0px var(--accent-primary);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--text-primary);
  background-color: var(--bg-canvas);
  font-family: var(--font-base);
  font-size: 1rem;
  border-radius: 0px;
}

.form-control:focus {
  outline: none;
  background-color: #ffffff;
  border-color: var(--accent-primary);
}

.tool-output {
  margin-top: 24px;
  background-color: #1e1b18;
  color: #34d399;
  font-family: var(--font-mono);
  padding: 20px;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  display: none;
  border: 1px solid #444;
}

.btn-tool-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

/* ACCORDION FAQ */
.faq-item {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  margin-bottom: 16px;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-weight: 900;
  color: var(--accent-primary);
  font-size: 1.4rem;
  transition: transform 0.2s ease;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  display: none;
  color: var(--text-muted);
  border-top: 1px dashed var(--border-subtle);
  padding-top: 16px;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* SCROLL REVEAL UTILITY */
.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-kinetic), transform 0.6s var(--ease-kinetic);
}

.scroll-reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* SITE FOOTER */
.site-footer {
  background-color: #1a1815;
  color: #cfc6b8;
  border-top: 4px solid var(--accent-primary);
  padding: 60px 24px 24px 24px;
  margin-top: 80px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #332f2a;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  border-left: 3px solid var(--accent-primary);
  padding-left: 8px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #b0a799;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-bottom {
  max-width: 1200px;
  margin: 30px auto 0 auto;
  font-size: 0.82rem;
  color: #8c8273;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom a {
  color: #b0a799;
  text-decoration: underline;
}

/* RESPONSIVE DESIGN */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-visual-stack {
    display: none;
  }
  .split-chapter,
  .split-chapter.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .primary-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  h1 {
    font-size: 2.1rem;
  }
  h2 {
    font-size: 1.6rem;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}