:root {
  --bg-canvas: #ffffff;
  --bg-surface: #f1f5f9;
  --bg-surface-elevated: #e2e8f0;
  --text-primary: #292524;
  --text-muted: #57534e;
  --accent-rust: #a44724;
  --accent-rust-dark: #7c2d12;
  --accent-rust-light: #fed7aa;
  --accent-amber: #b45309;
  --border-subtle: #d6d3d1;
  --border-strong: #78716c;
  --mono-font: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans-font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--sans-font);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

/* Observational Header Tagline */
.obs-bar {
  background: #1c1917;
  color: #d6d3d1;
  font-family: var(--mono-font);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 1.25rem;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  border-bottom: 1px solid #44403c;
}
.obs-bar span { opacity: 0.85; }

/* Site Header */
header.site-header {
  position: static;
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 1.25rem;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand-left {
  text-align: left;
}
.brand-link {
  font-family: var(--mono-font);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--accent-rust-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: inline-block;
}
.brand-link span {
  color: var(--text-primary);
  font-weight: 400;
}

/* Nav */
nav.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
nav.desktop-nav a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.25rem 0.15rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
nav.desktop-nav a:hover,
nav.desktop-nav a[aria-current="page"] {
  color: var(--accent-rust);
  border-bottom-color: var(--accent-rust);
}

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 1.25rem;
  line-height: 1;
  padding: 0.4rem 0.65rem;
  color: var(--text-primary);
  cursor: pointer;
}
.mobile-nav-panel {
  display: none;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 1.25rem;
}
.mobile-nav-panel.is-open {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.mobile-nav-panel a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* Layout Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem;
}
.column-narrow {
  max-width: 70ch;
  margin-left: auto;
  margin-right: auto;
}

/* Typography */
h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 700;
}
h1 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.95rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}
h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}
p {
  margin-bottom: 1.25rem;
}
.lead-para {
  font-size: 1.15rem;
  color: #44403c;
  line-height: 1.6;
}

/* Mono Metadata Badges & Coordinates */
.mono-label {
  font-family: var(--mono-font);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-rust);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: inline-block;
}
.metadata-strip {
  background: var(--bg-surface);
  border-left: 3px solid var(--accent-rust);
  padding: 0.6rem 0.9rem;
  font-family: var(--mono-font);
  font-size: 0.8rem;
  color: #44403c;
  margin-bottom: 1.25rem;
  border-radius: 0 4px 4px 0;
}

/* Buttons */
.btn-rust {
  display: inline-block;
  background: transparent;
  border: 2px solid var(--accent-rust);
  color: var(--accent-rust);
  padding: 0.65rem 1.4rem;
  font-size: 0.85rem;
  font-family: var(--mono-font);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s var(--ease-kinetic);
}
.btn-rust:hover {
  background: var(--accent-rust);
  color: #ffffff;
  transform: translateY(-2px);
}
.btn-rust-solid {
  background: var(--accent-rust);
  color: #ffffff;
  border: 2px solid var(--accent-rust);
  padding: 0.65rem 1.4rem;
  font-size: 0.85rem;
  font-family: var(--mono-font);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.btn-rust-solid:hover {
  background: var(--accent-rust-dark);
  border-color: var(--accent-rust-dark);
}

/* Hero Split */
.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 3.5rem;
  padding: 1.5rem 0;
}
.hero-media {
  position: relative;
}
.hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  display: block;
}
.hero-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(28, 25, 23, 0.92);
  color: #fafaf9;
  font-family: var(--mono-font);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  border-left: 3px solid var(--accent-rust);
}

/* Evidentiary Pull Quotes */
.evidence-quote {
  border-left: 4px solid var(--accent-rust);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: #fdfaf8;
  font-size: 1.15rem;
  font-style: italic;
  color: #1c1917;
  border-radius: 0 4px 4px 0;
}
.evidence-quote cite {
  display: block;
  font-style: normal;
  font-family: var(--mono-font);
  font-size: 0.8rem;
  color: var(--accent-rust-dark);
  margin-top: 0.6rem;
  text-transform: uppercase;
}

/* Breakout Landscape Sections */
.breakout-rust {
  background-color: var(--accent-rust);
  color: #ffffff;
  padding: 3.5rem 1.25rem;
  margin: 3.5rem 0;
}
.breakout-rust h2, .breakout-rust h3, .breakout-rust p {
  color: #ffffff;
}
.breakout-rust .mono-label {
  color: var(--accent-rust-light);
}
.breakout-rust .metadata-strip {
  background: rgba(0, 0, 0, 0.2);
  border-left-color: var(--accent-rust-light);
  color: #fef08a;
}

/* Surface Section */
.section-surface {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 3.5rem 1.25rem;
}

/* Cards Grid & Discovery Records */
.discovery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
  margin: 2rem 0;
}
.record-card {
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s var(--ease-kinetic), box-shadow 0.25s var(--ease-kinetic);
}
.record-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}
.card-media-wrap {
  position: relative;
  width: 100%;
  height: 210px;
}
.card-media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent-rust);
  color: #ffffff;
  font-family: var(--mono-font);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.55rem;
  border-radius: 4px;
}
.card-content {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.card-content h3 {
  margin-bottom: 0.5rem;
}
.card-content p {
  font-size: 0.95rem;
  color: var(--text-muted);
  flex-grow: 1;
}
.card-footer {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--mono-font);
  font-size: 0.75rem;
  color: #78716c;
  display: flex;
  justify-content: space-between;
}

/* Before / After Landscape Comparison Component */
.comparison-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1rem;
}
.comparison-pane {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  overflow: hidden;
}
.comparison-pane img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.comparison-pane .caption {
  padding: 0.75rem;
  font-family: var(--mono-font);
  font-size: 0.8rem;
  color: var(--text-primary);
  border-top: 1px solid var(--border-subtle);
}

/* Uncertainty Callouts */
.uncertainty-callout {
  border: 1px solid #d97706;
  background: #fffbeb;
  padding: 1.25rem;
  border-radius: 4px;
  margin: 2rem 0;
}
.uncertainty-callout h4 {
  color: #92400e;
  font-family: var(--mono-font);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.uncertainty-callout p {
  color: #78350f;
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* Form Styles */
.evidence-form {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 2rem;
  margin: 2rem 0;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-family: var(--mono-font);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}
.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  background: #ffffff;
  font-family: var(--sans-font);
  font-size: 1rem;
  color: var(--text-primary);
}
.form-control:focus {
  outline: 2px solid var(--accent-rust);
  border-color: transparent;
}
textarea.form-control {
  min-height: 130px;
  resize: vertical;
}
.form-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}
.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--mono-font);
}

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}
.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  background: #ffffff;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.15rem 1.25rem;
  font-family: var(--sans-font);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.faq-question:hover {
  background: #fafaf9;
}
.faq-icon {
  font-family: var(--mono-font);
  font-size: 1.2rem;
  color: var(--accent-rust);
  font-weight: bold;
}
.faq-answer {
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: none;
}
.faq-item.is-open .faq-answer {
  display: block;
}
.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
}
table.evidence-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}
table.evidence-table th, table.evidence-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}
table.evidence-table th {
  background: var(--bg-surface);
  font-family: var(--mono-font);
  text-transform: uppercase;
  font-size: 0.75rem;
  color: #44403c;
  letter-spacing: 0.05em;
}
table.evidence-table tr:hover {
  background: #fafaf9;
}

/* Scroll reveal helper */
.reveal-init {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s var(--ease-kinetic), transform 0.65s var(--ease-kinetic);
}
.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Site Footer */
footer.site-footer {
  background: #1c1917;
  color: #d6d3d1;
  padding: 3.5rem 1.25rem 2rem 1.25rem;
  border-top: 3px solid var(--accent-rust);
  margin-top: 4rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-col h4 {
  color: #ffffff;
  font-family: var(--mono-font);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  border-left: 2px solid var(--accent-rust);
  padding-left: 0.5rem;
}
.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #a8a29e;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 0.5rem;
}
.footer-col a {
  color: #d6d3d1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--accent-rust-light);
}
.footer-bottom {
  border-top: 1px solid #44403c;
  padding-top: 1.5rem;
  font-family: var(--mono-font);
  font-size: 0.8rem;
  color: #a8a29e;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}
.footer-bottom a {
  color: #e7e5e4;
  text-decoration: underline;
}

/* Breakpoints */
@media (max-width: 768px) {
  nav.desktop-nav {
    display: none;
  }
  .menu-toggle {
    display: inline-block;
  }
  .hero-split {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .hero-img {
    height: 260px;
  }
  .comparison-grid {
    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}}