:root {
  --bg: #0e1116;
  --bg-soft: #141920;
  --panel: rgba(255, 255, 255, 0.05);
  --cream: #f7f2e7;
  --mist: #e2ebe4;
  --sand: #efce8a;
  --moss: #2b5a43;
  --moss-deep: #173326;
  --ink: #16211a;
  --text: #edf1ec;
  --muted: #afbbb3;
  --line: rgba(255, 255, 255, 0.08);
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max: 1240px;

  --press-coercive: #c46b6b;
  --press-mimetic: #6e8db4;
  --press-normative: #2b5a43;

  --formal: #2b5a43;
  --operational: #d17a00;

  --layer-source: #efce8a;
  --layer-firm: #9ab0a3;
  --layer-sop: #d17a00;
  --layer-action: #173326;

  --drift-low: #2b5a43;
  --drift-mid: #d17a00;
  --drift-high: #c46b6b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(239, 206, 138, 0.13), transparent 22%),
    radial-gradient(circle at 88% 4%, rgba(43, 90, 67, 0.22), transparent 22%),
    linear-gradient(180deg, #0e1116 0%, #090c10 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at center, black 48%, transparent 95%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.gov-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.gov-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 17, 22, 0.86);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.gov-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #efce8a, #d17a00);
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-copy strong {
  font-family: "Fraunces", serif;
  font-size: 1.05rem;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.gov-nav {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.gov-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.gov-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
}

main {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.74rem;
  color: var(--sand);
  margin-bottom: 8px;
  font-weight: 700;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 28px;
  padding: 36px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.hero-copy h1 {
  font-family: "Fraunces", serif;
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  line-height: 1.05;
  margin: 12px 0 18px;
}

.hero-lead {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border 160ms ease;
}

.button-primary {
  background: linear-gradient(135deg, #efce8a, #d17a00);
  color: var(--ink);
}

.button-primary:hover {
  transform: translateY(-1px);
}

.button-secondary {
  border-color: var(--line);
  color: var(--text);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.18);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 32px;
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.metric-value {
  display: block;
  font-family: "Fraunces", serif;
  font-size: 2.1rem;
  color: var(--cream);
}

.metric-label {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-rail {
  display: grid;
  gap: 18px;
}

.signal-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.signal-card-dark {
  background: linear-gradient(140deg, rgba(23, 51, 38, 0.8), rgba(43, 90, 67, 0.45));
  border-color: rgba(157, 200, 178, 0.18);
}

.signal-card-light {
  background: linear-gradient(140deg, rgba(247, 242, 231, 0.92), rgba(247, 242, 231, 0.78));
  color: var(--ink);
  border-color: rgba(220, 196, 156, 0.4);
}

.signal-card-light p,
.signal-card-light h2 {
  color: var(--ink);
}

.signal-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  color: var(--moss-deep);
  margin: 0 0 10px;
  font-weight: 700;
}

.signal-card-dark .signal-label {
  color: var(--sand);
}

.signal-card h2 {
  font-family: "Fraunces", serif;
  font-size: 1.45rem;
  margin: 0 0 12px;
  line-height: 1.15;
}

.signal-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.signal-card-light p {
  color: rgba(22, 33, 26, 0.78);
}

.signal-note {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
  margin: 18px 0 0;
}

.section-block {
  border-radius: var(--radius-xl);
  padding: 36px;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  box-shadow: var(--shadow);
}

.section-heading {
  max-width: 70ch;
  margin-bottom: 26px;
}

.section-heading h2 {
  font-family: "Fraunces", serif;
  font-size: clamp(1.6rem, 2.4vw, 2.0rem);
  line-height: 1.18;
  margin: 0 0 12px;
}

.section-heading p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: 24px;
}

.lab-canvas-panel {
  background: rgba(14, 17, 22, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lab-canvas-panel svg {
  width: 100%;
  height: auto;
  background: rgba(0, 0, 0, 0.18);
  border-radius: var(--radius-md);
}

.canvas-caption {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.lab-control-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-label {
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--sand);
  font-weight: 700;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--sand);
}

.scale-readout {
  font-family: "Fraunces", serif;
  font-size: 1.2rem;
  color: var(--cream);
}

.button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.chip:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.chip.is-active {
  background: linear-gradient(135deg, #efce8a, #d17a00);
  color: var(--ink);
  border-color: rgba(0, 0, 0, 0.2);
}

.readout-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.readout {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.readout-emphasis {
  background: linear-gradient(140deg, rgba(43, 90, 67, 0.55), rgba(23, 51, 38, 0.4));
  border-color: rgba(157, 200, 178, 0.2);
}

.readout-label {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.readout-value {
  font-family: "Fraunces", serif;
  font-size: 1.4rem;
  color: var(--cream);
}

#radar-canvas {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  width: 100%;
  height: auto;
}

.cascade-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 24px;
  align-items: flex-start;
}

.cascade-controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.cascade-summary {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(140deg, rgba(43, 90, 67, 0.55), rgba(23, 51, 38, 0.4));
  border: 1px solid rgba(157, 200, 178, 0.2);
}

.cascade-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cascade-layer {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  transition: transform 200ms ease, border-color 200ms ease;
}

.cascade-layer.is-pulse {
  transform: scale(1.012);
  border-color: rgba(255, 255, 255, 0.2);
}

.cascade-tag {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--sand);
  font-weight: 700;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cascade-tag-name {
  color: var(--cream);
  font-family: "Fraunces", serif;
  font-size: 1.05rem;
  letter-spacing: normal;
  text-transform: none;
}

.cascade-text {
  width: 100%;
  min-height: 86px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.5;
}

.cascade-text:focus {
  outline: 1px solid var(--sand);
  border-color: var(--sand);
}

.cascade-edge {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: 144px;
  font-size: 0.82rem;
  color: var(--muted);
}

.cascade-edge-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--drift-low), var(--drift-mid), var(--drift-high));
  border-radius: 999px;
  position: relative;
}

.cascade-edge-marker {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--cream);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.4);
  transform: translate(-50%, -50%);
  transition: left 320ms ease;
}

.cascade-edge-readout {
  font-family: "Fraunces", serif;
  font-size: 1rem;
  color: var(--cream);
  min-width: 60px;
  text-align: right;
}

.cascade-edge-readout.is-flag {
  color: var(--drift-high);
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.path-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.path-tag {
  font-family: "Fraunces", serif;
  font-size: 1rem;
  color: var(--sand);
}

.path-card h3 {
  font-family: "Fraunces", serif;
  font-size: 1.1rem;
  margin: 0;
}

.path-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.gov-footer {
  margin-top: 24px;
  padding: 22px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.gov-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.gov-footer a {
  color: var(--sand);
  border-bottom: 1px dashed rgba(239, 206, 138, 0.4);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 360ms ease, transform 360ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 920px) {
  .hero-grid,
  .lab-grid,
  .cascade-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .cascade-edge {
    margin-left: 0;
  }
}

/* Heatmap cell styling for SVG (Lab 1) */
.heatmap-cell {
  cursor: ns-resize;
  transition: filter 140ms ease;
}

.heatmap-cell:hover {
  filter: brightness(1.18);
}

.heatmap-cell.is-active {
  outline: 2px solid var(--sand);
  outline-offset: -1px;
}

.scale-tick {
  font-size: 11px;
  fill: var(--muted);
}

.scale-tick.is-active {
  fill: var(--cream);
  font-weight: 700;
}

/* Decoupling lab columns */
.dec-bar.formal {
  fill: var(--formal);
}

.dec-bar.operational {
  fill: var(--operational);
}

.dec-axis-label {
  fill: var(--muted);
  font-size: 11px;
}

.dec-tick {
  fill: var(--muted);
  font-size: 10px;
}

/* Radar polygon */
.radar-axis {
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 1;
  fill: none;
}

.radar-axis-label {
  fill: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.radar-poly {
  fill: rgba(239, 206, 138, 0.32);
  stroke: var(--sand);
  stroke-width: 2;
  transition: all 280ms ease;
}