:root {
  --bg-canvas: #13261d;
  --bg-surface: #20372a;
  --bg-surface-alt: #1a2f24;
  --bg-surface-elevated: #284434;
  --text-primary: #efe6d2;
  --text-muted: #c4bbaa;
  --accent-brass: #b8923a;
  --accent-brass-hover: #cfab4f;
  --border-field: #2d4c3a;
  --border-strong: #b8923a;
  --font-heading: "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-lift: 0 10px 28px rgba(0, 0, 0, 0.35);
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .tracked-title {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  letter-spacing: 0.16em;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  color: var(--accent-brass);
}

p {
  margin-bottom: 1.25rem;
}

p.lead {
  font-size: 1.2rem;
  line-height: 1.7;
  color: #f7f1e1;
}

a {
  color: var(--accent-brass);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover, a:focus-visible {
  color: var(--accent-brass-hover);
  text-decoration: underline;
}

/* Site Layout Containers */
.site-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.readable-prose {
  max-width: 70ch;
}

/* Header & Navigation */
header.site-header {
  position: static;
  background-color: var(--bg-canvas);
  border-bottom: 1px solid var(--border-field);
  padding: 1.75rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-col {
  display: flex;
  align-items: center;
}

.site-brand {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-sigil {
  display: inline-block;
  width: 14px;
  height: 14px;
  background-color: var(--accent-brass);
}

.desktop-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.desktop-nav a {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover,
.desktop-nav a.active {
  color: var(--accent-brass);
  border-bottom-color: var(--accent-brass);
  text-decoration: none;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-field);
  color: var(--text-primary);
  font-size: 1.6rem;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  line-height: 1;
}

.mobile-nav-panel {
  display: none;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-field);
  border-bottom: 1px solid var(--border-field);
  padding: 1.5rem;
}

.mobile-nav-panel.open {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-panel a {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 1.05rem;
  color: var(--text-primary);
}

/* Hero Section */
.hero-forest {
  background-color: var(--bg-canvas);
  padding: 5rem 0 4.5rem;
  border-bottom: 1px solid var(--border-field);
}

.hero-meta {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  color: var(--accent-brass);
  margin-bottom: 1.25rem;
  display: block;
}

/* Button & Action */
.btn-block {
  display: inline-block;
  background-color: var(--accent-brass);
  color: #13261d;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.9rem 1.8rem;
  border: none;
  box-shadow: 4px 4px 0 #08110c;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-block:hover, .btn-block:focus-visible {
  color: #13261d;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 #08110c;
  text-decoration: none;
}

.btn-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-field);
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.9rem;
  padding: 0.85rem 1.6rem;
  box-shadow: 4px 4px 0 var(--border-field);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.btn-outline:hover {
  border-color: var(--accent-brass);
  color: var(--accent-brass);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--accent-brass);
  text-decoration: none;
}

/* Alternating Split Layout Sections */
.field-split {
  padding: 4.5rem 0;
  border-bottom: 1px solid var(--border-field);
}

.field-split.alt-bg {
  background-color: var(--bg-surface-alt);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

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

.split-grid.reverse > * {
  direction: ltr;
}

.split-media img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
  border: 1px solid var(--border-field);
}

.caption-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
  font-style: italic;
  display: block;
}

/* Field Note Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2.5rem 0;
}

.field-card {
  background-color: var(--bg-surface);
  padding: 2rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: transform 0.25s var(--ease-kinetic), box-shadow 0.25s var(--ease-kinetic);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.field-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.card-num {
  font-family: var(--font-heading);
  color: var(--accent-brass);
  font-size: 1rem;
  letter-spacing: 0.18em;
  margin-bottom: 0.75rem;
}

/* Checklists & Field Cue Lists */
.cue-list {
  list-style: none;
  margin: 1.5rem 0;
}

.cue-list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border-field);
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.cue-list li:last-child {
  border-bottom: none;
}

.cue-tag {
  color: var(--accent-brass);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  min-width: 90px;
}

/* Data Tables */
.table-wrap {
  overflow-x: auto;
  margin: 2.5rem 0;
  border: 1px solid var(--border-field);
}

table.field-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

table.field-table th,
table.field-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-field);
}

table.field-table th {
  background-color: var(--bg-surface-elevated);
  font-family: var(--font-heading);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-brass);
  font-size: 0.85rem;
}

table.field-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* FAQ Accordion / List */
.faq-block {
  margin-bottom: 2rem;
  padding: 1.75rem;
  background-color: var(--bg-surface);
  border-left: 3px solid var(--accent-brass);
}

.faq-q {
  font-family: var(--font-heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

/* Interactive Field Tool Box */
.field-tool {
  background-color: var(--bg-surface);
  padding: 2.5rem;
  margin: 3rem 0;
  border: 1px solid var(--border-field);
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-family: var(--font-heading);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
  color: var(--accent-brass);
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  background-color: var(--bg-canvas);
  border: 1px solid var(--border-field);
  color: var(--text-primary);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent-brass);
}

.tool-output {
  margin-top: 1.5rem;
  background-color: var(--bg-canvas);
  padding: 1.25rem;
  border: 1px dashed var(--border-field);
  white-space: pre-wrap;
  font-family: monospace;
  font-size: 0.95rem;
  color: #dfd8c8;
}

.action-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* Scroll reveal helper */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease-kinetic), transform 0.65s var(--ease-kinetic);
}

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

/* Footer */
footer.site-footer {
  background-color: #0b1711;
  border-top: 1px solid var(--border-field);
  padding: 4.5rem 0 2.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-title {
  font-family: var(--font-heading);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.65rem;
}

.footer-nav a {
  color: var(--text-muted);
}

.footer-nav a:hover {
  color: var(--accent-brass);
}

.footer-legal-bar {
  border-top: 1px solid var(--border-field);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Responsiveness */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .split-grid, .split-grid.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
    direction: ltr;
  }
  .split-media img {
    height: 300px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-forest {
    padding: 3.5rem 0 3rem;
  }
}

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