:root {
  color-scheme: dark;
  --bg: #08090e;
  --surface: #0c1018;
  --elevated: #131920;
  --ink: #f1f5f9;
  --body: #cbd5e1;
  --muted: #94a3b8;
  --faint: #64748b;
  --blue: #2563eb;
  --blue-bright: #60a5fa;
  --cyan: #22d3ee;
  --amber: #f59e0b;
  --green: #4ade80;
  --rose: #fb7185;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(255, 255, 255, 0.18);
  --font-display: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "SF Mono", Consolas, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

section[id],
figure[id] {
  scroll-margin-top: 96px;
}

a {
  color: inherit;
}

button {
  font: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--cyan);
  color: #020617;
  padding: 10px 14px;
  font-weight: 700;
  transition: transform 180ms var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.scroll-meter {
  position: fixed;
  inset: 0 0 auto;
  z-index: 90;
  height: 2px;
  pointer-events: none;
}

.scroll-meter span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--cyan);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto minmax(100px, 1fr);
  align-items: center;
  width: 100%;
  min-height: 72px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(8, 9, 14, 0.94);
  padding: 0 max(24px, calc((100vw - var(--content)) / 2));
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  width: fit-content;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
}

.brand svg {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  fill: none;
  stroke: rgba(96, 165, 250, 0.76);
  stroke-width: 1.5;
}

.brand .brand-mark-fill {
  fill: rgba(37, 99, 235, 0.68);
}

.brand .brand-mark-dim {
  fill: rgba(37, 99, 235, 0.28);
}

.brand-context {
  margin-left: 14px;
  border-left: 1px solid var(--border-strong);
  color: var(--faint);
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-header nav a,
.header-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  transition: color 160ms ease;
}

.site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.site-header nav a:hover,
.header-link:hover {
  color: var(--ink);
}

.header-link {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  gap: 7px;
  padding: 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  align-items: center;
  gap: clamp(48px, 6vw, 88px);
  width: min(var(--content), calc(100% - 48px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 132px) 0;
}

.hero::before {
  position: absolute;
  top: 8%;
  left: -20%;
  width: 580px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12), transparent 68%);
  content: "";
  filter: blur(20px);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 590px;
  animation: copy-enter 760ms var(--ease-out) both;
}

.case-label,
.section-marker,
.decision-owner,
.panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.case-label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--blue-bright);
}

.case-label span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.55);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  text-wrap: balance;
}

h1 {
  max-width: 710px;
  margin: 26px 0 28px;
  font-size: clamp(3.35rem, 5.6vw, 5.8rem);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

h1 em {
  display: block;
  color: var(--cyan);
  font-style: normal;
}

.hero-summary {
  max-width: 61ch;
  margin: 0;
  color: var(--body);
  font-size: 15px;
  line-height: 1.78;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 10px;
  padding: 0 18px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms var(--ease-out);
}

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

.button-primary {
  background: var(--cyan);
  color: #020617;
}

.button-primary:hover {
  background: #67e8f9;
}

.button-secondary {
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--body);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--ink);
}

.truth-note {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.65;
}

.truth-note strong {
  color: var(--amber);
  font-weight: 650;
}

.instrument {
  position: relative;
  z-index: 3;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.32);
  animation: instrument-enter 900ms 100ms var(--ease-out) both;
}

.instrument::before,
.instrument::after {
  position: absolute;
  z-index: 8;
  width: 28px;
  height: 28px;
  border-color: rgba(96, 165, 250, 0.55);
  border-style: solid;
  content: "";
  pointer-events: none;
}

.instrument::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
  border-radius: 16px 0 0;
}

.instrument::after {
  right: -1px;
  bottom: 30px;
  border-width: 0 2px 2px 0;
  border-radius: 0 0 16px;
}

.instrument-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 43px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--elevated);
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.035em;
}

.instrument-id {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 9px;
  color: var(--muted);
}

.instrument-id span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.live-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.55);
}

.instrument-state {
  flex: 0 0 auto;
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.08);
  color: #a5f3fc;
  padding: 5px 8px;
}

.instrument-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  min-height: 500px;
}

.viewport {
  position: relative;
  min-width: 0;
  overflow: hidden;
  background: #06080d;
  isolation: isolate;
}

.synthetic-scene,
.blueprint-grid,
.scan-sweep,
.utility-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.synthetic-scene {
  z-index: -4;
  opacity: 0.58;
  filter: saturate(0.7) contrast(1.06) brightness(0.72);
  transition: opacity 500ms var(--ease-out), filter 500ms var(--ease-out);
}

.viewport::after {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: linear-gradient(180deg, rgba(5, 10, 20, 0.08), rgba(5, 10, 20, 0.48));
  content: "";
  pointer-events: none;
}

.scene-wall {
  fill: #151c25;
}

.scene-bays rect {
  fill: #0e141d;
}

.scene-brace {
  fill: #2b3440;
  stroke: rgba(203, 213, 225, 0.2);
  stroke-width: 2;
}

.scene-framing rect {
  fill: #3a4652;
  stroke: rgba(226, 232, 240, 0.22);
  stroke-width: 1;
}

.scene-fasteners {
  fill: #94a3b8;
  opacity: 0.8;
}

.scene-floor {
  fill: #080c12;
  stroke: rgba(148, 163, 184, 0.18);
  stroke-width: 1;
}

.blueprint-grid {
  z-index: -2;
  opacity: 0.78;
  background-image:
    linear-gradient(rgba(96, 165, 250, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 165, 250, 0.12) 1px, transparent 1px);
  background-size: 42px 42px;
  transition: opacity 400ms ease;
}

.scan-sweep {
  z-index: 4;
  inset: -10% 0 auto;
  height: 20%;
  border-bottom: 1px solid rgba(34, 211, 238, 0.9);
  background: linear-gradient(180deg, transparent, rgba(34, 211, 238, 0.08));
  animation: scan-sweep 4.2s linear infinite;
  pointer-events: none;
}

.utility-overlay {
  z-index: 2;
  overflow: visible;
  transition: opacity 400ms var(--ease-out), filter 400ms var(--ease-out);
}

.map-layer {
  transition: opacity 200ms ease;
}

.map-layer[hidden] {
  display: none;
}

.studs path {
  fill: none;
  stroke: rgba(203, 213, 225, 0.55);
  stroke-dasharray: 4 7;
  stroke-width: 2;
}

.wire path {
  fill: none;
  stroke: var(--cyan);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 5;
  filter: drop-shadow(0 0 5px rgba(34, 211, 238, 0.65));
}

.wire .wire-dim {
  stroke-width: 3.5;
  opacity: 0.72;
}

.pipe path {
  fill: none;
  stroke: var(--amber);
  stroke-linecap: round;
  stroke-width: 7;
  filter: drop-shadow(0 0 5px rgba(245, 158, 11, 0.62));
}

.outlets rect {
  fill: rgba(37, 99, 235, 0.72);
  stroke: #bfdbfe;
  stroke-width: 2.5;
  filter: drop-shadow(0 0 7px rgba(37, 99, 235, 0.8));
}

.outlets circle {
  fill: #dbeafe;
}

.viewport-corners::before,
.viewport-corners::after {
  position: absolute;
  z-index: 5;
  width: 22px;
  height: 22px;
  border-color: rgba(34, 211, 238, 0.72);
  border-style: solid;
  content: "";
}

.viewport-corners::before {
  top: 18px;
  left: 18px;
  border-width: 1px 0 0 1px;
}

.viewport-corners::after {
  right: 18px;
  bottom: 48px;
  border-width: 0 1px 1px 0;
}

.viewport-readout {
  position: absolute;
  right: 16px;
  bottom: 14px;
  left: 16px;
  z-index: 6;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: rgba(191, 219, 254, 0.82);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.055em;
}

.viewport-readout output {
  color: #a5f3fc;
}

.readout-panel {
  display: flex;
  flex-direction: column;
  gap: 26px;
  border-left: 1px solid var(--border-subtle);
  background: rgba(12, 16, 24, 0.96);
  padding: 18px 14px;
}

.panel-title {
  margin-bottom: 10px;
  color: var(--faint);
  font-size: 11px;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: var(--bg);
  padding: 3px;
}

.segmented-control button {
  min-height: 44px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--faint);
  padding: 0 5px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
}

.segmented-control button[aria-pressed="true"] {
  background: rgba(37, 99, 235, 0.22);
  color: #bfdbfe;
}

.segmented-control button:hover {
  background: rgba(96, 165, 250, 0.12);
  color: var(--ink);
}

.record-summary dl {
  margin: 0;
}

.record-summary dl > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 38px;
  border-bottom: 1px solid var(--border-subtle);
}

.record-summary dt {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}

.record-summary dd {
  margin: 0;
  color: var(--body);
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.layer-swatch {
  display: inline-block;
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--swatch);
  box-shadow: 0 0 6px color-mix(in srgb, var(--swatch), transparent 35%);
}

.layer-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.layer-controls button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  padding: 0 12px;
  cursor: pointer;
  font-size: 11px;
}

.layer-controls button[aria-pressed="false"] {
  opacity: 0.44;
}

.layer-controls button:hover {
  border-color: var(--border-strong);
  color: var(--ink);
}

.evidence-note {
  margin-top: auto;
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 9px;
  background: rgba(245, 158, 11, 0.07);
  padding: 11px;
}

.evidence-note span,
.evidence-note strong {
  display: block;
  font-family: var(--font-mono);
}

.evidence-note span {
  color: #fbbf24;
  font-size: 10px;
  letter-spacing: 0.07em;
}

.evidence-note strong {
  margin: 6px 0;
  color: #fde68a;
  font-size: 11px;
  font-weight: 600;
}

.evidence-note p {
  margin: 0;
  color: #cbd5e1;
  font-size: 11px;
  line-height: 1.55;
}

.instrument[data-mode="capture"] .utility-overlay,
.instrument[data-mode="capture"] .blueprint-grid,
.instrument[data-mode="capture"] .scan-sweep {
  opacity: 0.08;
}

.instrument[data-mode="capture"] .synthetic-scene {
  opacity: 0.92;
  filter: saturate(0.82) contrast(1.04) brightness(0.9);
}

.instrument[data-mode="evidence"] .utility-overlay {
  filter: saturate(0.42);
  opacity: 0.68;
}

.instrument[data-mode="evidence"] .scan-sweep {
  border-color: var(--amber);
  background: linear-gradient(180deg, transparent, rgba(245, 158, 11, 0.08));
}

.instrument figcaption {
  min-height: 38px;
  border-top: 1px solid var(--border-subtle);
  color: var(--faint);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.025em;
}

.credibility-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.credibility-line p {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 104px;
  margin: 0;
  padding: 25px 28px;
}

.credibility-line p + p {
  border-left: 1px solid var(--border);
}

.credibility-line strong {
  color: var(--body);
  font-size: 12px;
  font-weight: 600;
}

.credibility-line span {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.035em;
}

.section {
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(96px, 12vw, 168px) 0;
}

.section-intro {
  display: grid;
  grid-template-columns: minmax(110px, 0.28fr) minmax(340px, 0.82fr) minmax(280px, 0.55fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  margin-bottom: 72px;
}

.section-intro.compact {
  grid-template-columns: minmax(110px, 0.28fr) minmax(340px, 0.86fr) minmax(280px, 0.5fr);
}

.section-marker {
  color: var(--blue-bright);
  line-height: 1.4;
}

.section-intro h2 {
  max-width: 760px;
  margin: -7px 0 0;
  font-size: clamp(2.35rem, 4.6vw, 4.6rem);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 1.03;
}

.section-intro > p:last-child {
  max-width: 58ch;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.system-section {
  padding-bottom: 118px;
}

.system-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  padding: 0;
  list-style: none;
}

.system-flow li {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 24px;
}

.system-flow li + li {
  border-left: 1px solid var(--border);
}

.system-flow li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 48px;
  right: -7px;
  width: 13px;
  height: 13px;
  transform: rotate(45deg);
  border-top: 1px solid var(--blue-bright);
  border-right: 1px solid var(--blue-bright);
  background: var(--bg);
  content: "";
}

.flow-index,
.flow-tech {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.flow-index {
  color: var(--blue-bright);
}

.system-flow div {
  margin: auto 0;
}

.system-flow strong {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 19px;
}

.system-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.flow-tech {
  color: var(--faint);
}

.decisions-section {
  width: 100%;
  max-width: none;
  background: #0a0d14;
}

.decisions-section > * {
  width: min(var(--content), calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}

.decision-list {
  border-top: 1px solid var(--border-strong);
}

.decision-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: clamp(40px, 8vw, 120px);
  align-items: center;
  min-height: 360px;
  border-bottom: 1px solid var(--border-strong);
  padding: 54px 0;
}

.decision-owner {
  margin-bottom: 20px;
  color: var(--blue-bright);
}

.decision-copy h3 {
  max-width: 720px;
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  font-weight: 620;
  letter-spacing: -0.028em;
  line-height: 1.08;
}

.decision-copy > p:last-child {
  max-width: 67ch;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.decision-row pre {
  margin: 0;
  overflow: auto;
  border-top: 1px solid rgba(96, 165, 250, 0.42);
  border-bottom: 1px solid var(--border);
  background: #070a10;
  color: #cbd5e1;
  padding: 28px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.85;
}

.decision-row pre span {
  color: var(--cyan);
}

.evidence-stack {
  display: grid;
  gap: 1px;
  background: var(--border);
}

.evidence-stack > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  background: #070a10;
  color: var(--body);
  padding: 0 18px;
  font-family: var(--font-mono);
  font-size: 10px;
}

.evidence-stack > span:nth-child(2) {
  color: #a5f3fc;
}

.evidence-stack small {
  color: var(--faint);
  font: inherit;
  font-size: 10px;
}

.founders-section {
  padding-bottom: 128px;
}

.founder-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
}

.founder-profile {
  padding: 42px 38px 40px;
}

.founder-profile + .founder-profile {
  border-left: 1px solid var(--border-strong);
}

.founder-heading {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}

.founder-monogram {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, 0.38);
  border-radius: 10px;
  background: rgba(34, 211, 238, 0.09);
  color: #a5f3fc;
  font-family: var(--font-mono);
  font-size: 12px;
}

.founder-monogram.caleb {
  border-color: rgba(96, 165, 250, 0.42);
  background: rgba(37, 99, 235, 0.12);
  color: #bfdbfe;
}

.founder-heading h3 {
  margin: 0 0 4px;
  font-size: 18px;
}

.founder-heading a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--blue-bright);
  font-family: var(--font-mono);
  font-size: 11px;
  text-decoration: none;
}

.founder-heading > p {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  margin: 0;
}

.founder-heading > p strong {
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.founder-heading > p span {
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contribution-focus {
  min-height: 52px;
  margin: 34px 0 26px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.6;
}

.founder-profile ul,
.scope-ledger ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.founder-profile li,
.scope-ledger li {
  position: relative;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.founder-profile li {
  padding: 12px 0 12px 18px;
  border-top: 1px solid var(--border-subtle);
}

.founder-profile li::before {
  position: absolute;
  top: 21px;
  left: 1px;
  width: 6px;
  height: 1px;
  background: var(--cyan);
  content: "";
}

.profile-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  min-height: 44px;
  color: var(--body);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
}

.profile-link:hover {
  color: var(--cyan);
}

.ledger-link {
  max-width: 72ch;
  margin: 28px 0 0 auto;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.65;
  text-align: right;
}

.ledger-link a {
  color: var(--blue-bright);
}

.scope-section {
  width: 100%;
  max-width: none;
  background: #0a0d14;
  padding-bottom: 0;
}

.scope-section > * {
  width: min(var(--content), calc(100% - 48px));
  margin-right: auto;
  margin-left: auto;
}

.scope-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
}

.scope-ledger > div {
  padding: 38px 40px 42px;
}

.scope-ledger > div + div {
  border-left: 1px solid var(--border-strong);
}

.scope-ledger h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 25px;
  font-size: 17px;
}

.scope-icon {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
}

.scope-icon.public {
  background: rgba(74, 222, 128, 0.1);
  color: var(--green);
}

.scope-icon.private {
  background: rgba(251, 113, 133, 0.1);
  color: var(--rose);
}

.scope-ledger li {
  padding: 10px 0 10px 18px;
}

.scope-ledger li::before {
  position: absolute;
  top: 18px;
  left: 0;
  width: 5px;
  height: 5px;
  border: 1px solid var(--faint);
  border-radius: 50%;
  content: "";
}

.closing-statement {
  display: grid;
  grid-template-columns: 0.55fr 1.2fr auto;
  align-items: center;
  gap: 38px;
  min-height: 220px;
}

.closing-statement > p {
  color: var(--blue-bright);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.closing-statement h3 {
  max-width: 590px;
  margin: 0;
  font-size: clamp(1.65rem, 3.1vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.closing-statement > div {
  display: flex;
  gap: 10px;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  min-height: 112px;
  border-top: 1px solid var(--border-subtle);
  background: #06080c;
  padding: 0 max(24px, calc((100vw - var(--content)) / 2));
}

footer p {
  margin: 0;
  color: var(--faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.035em;
}

footer p:last-child {
  justify-self: end;
}

.footer-brand {
  font-size: 13px;
}

@keyframes copy-enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes instrument-enter {
  from { opacity: 0; transform: translateY(24px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes scan-sweep {
  from { transform: translateY(-10%); opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  to { transform: translateY(600%); opacity: 0; }
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 780px;
  }

  .instrument {
    width: min(760px, 100%);
    margin-left: auto;
  }

  .section-intro,
  .section-intro.compact {
    grid-template-columns: minmax(100px, 0.25fr) 1fr;
  }

  .section-intro > p:last-child {
    grid-column: 2;
  }

  .system-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .system-flow li:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .system-flow li:nth-child(4) {
    border-top: 1px solid var(--border);
  }

  .system-flow li:nth-child(2)::after {
    display: none;
  }

  .closing-statement {
    grid-template-columns: 0.5fr 1.2fr;
    padding: 42px 0;
  }

  .closing-statement > div {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
  }

  .brand-context {
    display: none;
  }

  .hero,
  .section,
  .credibility-line,
  .decisions-section > *,
  .scope-section > * {
    width: min(100% - 32px, var(--content));
  }

  .hero {
    gap: 46px;
    padding: 70px 0 78px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.8rem);
  }

  .instrument-grid {
    grid-template-columns: 1fr;
  }

  .viewport {
    min-height: 480px;
  }

  .readout-panel {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--border-subtle);
    border-left: 0;
  }

  .evidence-note {
    margin-top: 0;
  }

  .instrument::after {
    bottom: 30px;
  }

  .credibility-line {
    grid-template-columns: 1fr;
  }

  .credibility-line p {
    min-height: 82px;
  }

  .credibility-line p + p {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .section-intro,
  .section-intro.compact {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 54px;
  }

  .section-intro > p:last-child {
    grid-column: auto;
  }

  .section-intro h2 {
    margin-top: 0;
  }

  .decision-row {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .founder-ledger,
  .scope-ledger {
    grid-template-columns: 1fr;
  }

  .founder-profile,
  .scope-ledger > div {
    padding: 34px 24px;
  }

  .founder-profile + .founder-profile,
  .scope-ledger > div + div {
    border-top: 1px solid var(--border-strong);
    border-left: 0;
  }

  .ledger-link {
    text-align: left;
  }

  .closing-statement {
    grid-template-columns: 1fr;
    gap: 20px;
    min-height: auto;
    padding: 54px 0;
  }

  .closing-statement > div {
    grid-column: auto;
    flex-wrap: wrap;
  }

  footer {
    grid-template-columns: 1fr;
    gap: 14px;
    padding-top: 30px;
    padding-bottom: 30px;
  }

  footer p:last-child {
    justify-self: start;
  }
}

@media (max-width: 520px) {
  .header-link {
    font-size: 0;
    padding: 0;
  }

  .header-link svg {
    width: 18px;
    height: 18px;
  }

  .hero-summary {
    font-size: 14px;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .instrument-bar {
    align-items: flex-start;
    min-height: 60px;
    gap: 10px;
    padding-top: 11px;
    padding-bottom: 11px;
  }

  .instrument-state {
    max-width: 88px;
    text-align: center;
  }

  .viewport {
    min-height: 410px;
  }

  .readout-panel {
    grid-template-columns: 1fr;
  }

  .system-flow {
    grid-template-columns: 1fr;
  }

  .system-flow li {
    min-height: 220px;
  }

  .system-flow li + li,
  .system-flow li:nth-child(3),
  .system-flow li:nth-child(4) {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .system-flow li::after {
    display: none;
  }

  .founder-heading {
    grid-template-columns: auto 1fr;
  }

  .founder-heading > p {
    grid-column: 2;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .scan-sweep {
    display: none;
  }
}