:root {
  color-scheme: dark;
  --bg: #0b0d0c;
  --bg-deep: #050605;
  --surface: #121512;
  --surface-raised: #181c18;
  --line: #303630;
  --line-strong: #596259;
  --text: #f3f4ed;
  --muted: #9fa79f;
  --acid: #d8ff59;
  --coral: #ff7b61;
  --cyan: #62d9e4;
  --paper: #ecece5;
  --paper-text: #151815;
  --paper-muted: #626861;
  --paper-line: #c7cbc3;
  --header-height: 66px;
  --shell-width: 1240px;
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
}

body::selection {
  background: var(--acid);
  color: var(--bg-deep);
}

button,
a {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
[role="slider"]:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  background: var(--acid);
  color: var(--bg-deep);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  z-index: 40;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 max(22px, calc((100vw - var(--shell-width)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 12, 0.94);
  backdrop-filter: blur(16px);
}

.brand,
.site-header nav,
.stage-toolbar > div,
.stage-toolbar-actions,
.finishing-toolbar-meta,
.footer-brand {
  display: flex;
  align-items: center;
}

.brand {
  gap: 11px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 4px;
  background: var(--acid);
  color: #10130b;
  font-family: "DM Mono", monospace;
  font-size: 17px;
  font-weight: 500;
  transform: skew(-5deg);
}

.brand-copy strong,
.brand-copy small {
  display: block;
}

.brand-copy strong {
  font-size: 13px;
  font-weight: 600;
}

.brand-copy small {
  margin-top: 2px;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
}

.site-header nav {
  gap: 24px;
}

.site-header nav a {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-decoration: none;
  text-transform: uppercase;
}

.site-header nav a:hover {
  color: var(--text);
}

.site-header .evidence-link {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
}

.section-shell {
  width: min(var(--shell-width), calc(100% - 44px));
  margin-inline: auto;
}

.story-section {
  scroll-margin-top: var(--header-height);
  padding-block: 92px;
}

.composition-section {
  padding-top: 58px;
  border-bottom: 1px solid var(--line);
}

.section-intro {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) minmax(290px, 360px);
  gap: 34px;
  align-items: end;
}

.section-index {
  align-self: stretch;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.section-index span,
.section-index small {
  display: block;
  font-family: "DM Mono", monospace;
}

.section-index span {
  color: var(--acid);
  font-size: 13px;
}

.section-index small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 8px;
}

.section-kicker,
.system-definition span,
.system-loop-inner > div > span,
.stage-toolbar,
.prototype-label,
.orchestration-figure figcaption span,
.orchestration-figure output,
.timeline-row-label,
.timeline-ruler,
.completion-visual-toolbar,
.completion-row-label,
.completion-summary,
.finishing-toolbar,
.finishing-label,
.site-footer {
  font-family: "DM Mono", monospace;
  text-transform: uppercase;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--acid);
  font-size: 10px;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  font-weight: 500;
}

h1 {
  max-width: 790px;
  font-size: 68px;
  line-height: 0.98;
}

h2 {
  max-width: 760px;
  font-size: 48px;
  line-height: 1.03;
}

.section-lede {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.5;
}

.system-definition {
  padding: 4px 0 4px 20px;
  border-left: 1px solid var(--line-strong);
}

.system-definition span {
  color: var(--acid);
  font-size: 8px;
}

.system-definition p,
.section-support {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.composition-stage {
  margin-top: 46px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-deep);
}

.stage-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 0 14px 0 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 9px;
}

.stage-toolbar > div,
.stage-toolbar-actions {
  gap: 10px;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 4px rgba(216, 255, 89, 0.1);
}

[data-state="loading"] .status-dot {
  background: var(--muted);
  box-shadow: none;
}

[data-state="error"] .status-dot {
  background: var(--coral);
  box-shadow: none;
}

.icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  font-family: "DM Mono", monospace;
  font-size: 11px;
}

.icon-button:hover:not(:disabled) {
  border-color: var(--line-strong);
  background: var(--surface-raised);
}

.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.composition-media {
  position: relative;
  display: grid;
  height: min(62svh, 680px);
  min-height: 430px;
  place-items: center;
  overflow: hidden;
  background: var(--bg-deep);
}

.composition-media::before,
.composition-media::after {
  position: absolute;
  z-index: 1;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
  content: "";
}

.composition-media::before {
  left: calc(50% - min(30.5svh, 335px));
}

.composition-media::after {
  right: calc(50% - min(30.5svh, 335px));
}

.composition-video {
  position: absolute;
  z-index: 0;
  top: 0;
  left: 50%;
  width: auto;
  height: 100%;
  object-fit: contain;
  transform: translateX(-50%);
}

.media-side-note {
  position: absolute;
  z-index: 2;
  top: 50%;
  width: calc(50% - min(30.5svh, 335px) - 42px);
  color: var(--muted);
  transform: translateY(-50%);
}

.media-side-note span,
.media-side-note strong {
  display: block;
}

.media-side-note span {
  font-family: "DM Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
}

.media-side-note strong {
  margin-top: 10px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}

.media-side-note-left {
  left: 24px;
  text-align: right;
}

.media-side-note-right {
  right: 24px;
}

.prototype-label {
  position: absolute;
  z-index: 3;
  top: 16px;
  left: 16px;
  padding: 7px 9px;
  border: 1px solid rgba(243, 244, 237, 0.2);
  border-radius: 3px;
  background: rgba(5, 6, 5, 0.78);
  color: var(--muted);
  font-size: 8px;
}

.stage-caption {
  position: absolute;
  z-index: 3;
  right: 16px;
  bottom: 16px;
  min-width: 220px;
  padding: 12px 14px;
  border-left: 2px solid var(--acid);
  background: rgba(5, 6, 5, 0.82);
  text-align: right;
}

.stage-caption span,
.stage-caption strong {
  display: block;
}

.stage-caption span {
  color: var(--acid);
  font-family: "DM Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
}

.stage-caption strong {
  margin-top: 5px;
  font-size: 13px;
  font-weight: 500;
}

.media-status {
  position: absolute;
  z-index: 5;
  inset: 50% auto auto 50%;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  text-transform: uppercase;
  transform: translate(-50%, -50%);
}

[data-state="ready"] > .composition-media > .media-status,
[data-state="ready"] > .completion-media > .media-status,
.finishing-tool[data-state="ready"] .media-status {
  display: none;
}

.orchestration-figure {
  margin: 38px 0 0;
  padding: 0;
}

.orchestration-figure figcaption {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.orchestration-figure figcaption span,
.orchestration-figure figcaption strong {
  display: block;
}

.orchestration-figure figcaption span {
  color: var(--muted);
  font-size: 8px;
}

.orchestration-figure figcaption strong {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 500;
}

.orchestration-figure output {
  color: var(--acid);
  font-size: 9px;
  text-align: right;
}

.timeline-scrubber {
  --story-progress: 0;
  --timeline-label-width: 136px;
  padding-block: 16px 20px;
  cursor: ew-resize;
  touch-action: none;
}

.timeline-ruler {
  display: flex;
  justify-content: space-between;
  margin-left: calc(var(--timeline-label-width) + 14px);
  color: #6f776f;
  font-size: 8px;
}

.timeline-grid {
  position: relative;
  display: grid;
  gap: 9px;
  margin-top: 10px;
}

.timeline-playhead {
  position: absolute;
  z-index: 8;
  top: -7px;
  bottom: -7px;
  left: calc(var(--timeline-label-width) + 14px + (100% - var(--timeline-label-width) - 14px) * var(--story-progress));
  width: 1px;
  background: var(--text);
  pointer-events: none;
  transform: translateX(-0.5px);
}

.timeline-playhead::before {
  position: absolute;
  top: -3px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text);
  content: "";
  transform: translateX(-50%);
}

.timeline-row {
  display: grid;
  grid-template-columns: var(--timeline-label-width) minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 36px;
}

.timeline-row-label {
  color: var(--muted);
  font-size: 8px;
}

.timeline-track {
  position: relative;
  min-width: 0;
}

.model-track {
  display: flex;
  height: 36px;
  gap: 3px;
}

.model-segment {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-inline: 11px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.model-segment strong {
  overflow: hidden;
  font-size: 11px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-segment span {
  font-family: "DM Mono", monospace;
  font-size: 8px;
  white-space: nowrap;
}

.model-segment[data-tone="acid"].is-active {
  border-color: var(--acid);
  background: rgba(216, 255, 89, 0.12);
  color: var(--text);
}

.model-segment[data-tone="cyan"].is-active {
  border-color: var(--cyan);
  background: rgba(98, 217, 228, 0.12);
  color: var(--text);
}

.model-segment[data-tone="coral"].is-active {
  border-color: var(--coral);
  background: rgba(255, 123, 97, 0.12);
  color: var(--text);
}

.stitch-track {
  height: 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.stitch-window {
  position: absolute;
  top: -1px;
  bottom: -1px;
  display: grid;
  place-items: center;
  border-inline: 1px solid #596159;
  background: rgba(243, 244, 237, 0.06);
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 7px;
  text-transform: uppercase;
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.stitch-window::before,
.stitch-window::after {
  position: absolute;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  transform: translateY(-50%);
}

.stitch-window::before {
  left: -3px;
}

.stitch-window::after {
  right: -3px;
}

.stitch-window.is-active {
  border-color: var(--acid);
  background: rgba(216, 255, 89, 0.16);
  color: var(--acid);
}

.consistency-track {
  height: 28px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}

.consistency-track span {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 10px;
  color: var(--text);
  font-family: "DM Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
  transform: translateY(-50%);
}

.consistency-track i {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--story-progress) * 100%);
  background: rgba(216, 255, 89, 0.14);
  border-right: 1px solid var(--acid);
}

.logic-key {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.logic-key > div {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 20px 0 0;
}

.logic-key > div + div {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.logic-key-index {
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--acid);
  font-family: "DM Mono", monospace;
  font-size: 9px;
}

.logic-key p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.logic-key strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
}

.system-loop-band {
  padding-block: 34px;
  background: var(--paper);
  color: var(--paper-text);
}

.system-loop-inner {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.system-loop-inner > div > span,
.system-loop-inner > div > strong {
  display: block;
}

.system-loop-inner > div > span {
  color: var(--paper-muted);
  font-size: 8px;
}

.system-loop-inner > div > strong {
  margin-top: 7px;
  font-size: 14px;
  font-weight: 600;
}

.system-loop-inner ol {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.system-loop-inner li {
  position: relative;
  padding: 12px 10px 12px 18px;
  border-left: 1px solid var(--paper-line);
  color: var(--paper-muted);
  font-size: 11px;
  transition: color 180ms ease;
}

.system-loop-inner li::after {
  position: absolute;
  right: -3px;
  bottom: -3px;
  left: -1px;
  height: 3px;
  background: transparent;
  content: "";
}

.system-loop-inner li.is-active {
  color: var(--paper-text);
}

.system-loop-inner li.is-active::after {
  background: var(--paper-text);
}

.system-loop-inner li span {
  display: block;
  margin-bottom: 5px;
  font-family: "DM Mono", monospace;
  font-size: 8px;
}

.completion-section {
  background: var(--paper);
  color: var(--paper-text);
}

.compact-intro {
  align-items: start;
}

.completion-section .section-index {
  border-color: var(--paper-line);
}

.completion-section .section-index small,
.completion-section .section-support {
  color: var(--paper-muted);
}

.completion-section .section-kicker,
.completion-section .section-index span {
  color: #697b12;
}

.section-support {
  margin-top: 26px;
}

.completion-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(286px, 350px);
  gap: 24px;
  align-items: start;
  margin-top: 50px;
}

.completion-visual {
  display: grid;
  min-width: 0;
  min-height: 640px;
  grid-template-rows: 52px minmax(0, 1fr) 54px;
  border-top: 1px solid var(--paper-text);
  border-bottom: 1px solid var(--paper-text);
}

.completion-visual-toolbar,
.completion-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 8px;
}

.completion-visual-toolbar {
  border-bottom: 1px solid var(--paper-line);
}

.completion-visual .icon-button {
  border-color: var(--paper-line);
  color: var(--paper-text);
}

.completion-visual .icon-button:hover {
  border-color: var(--paper-text);
  background: rgba(21, 24, 21, 0.06);
}

.completion-map {
  position: relative;
  min-width: 0;
  padding: 18px 0 8px;
}

.completion-chart-meta,
.completion-chart-key {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--paper-muted);
  font-family: "DM Mono", monospace;
  font-size: 8px;
  line-height: 1.35;
  text-transform: uppercase;
}

.completion-chart-meta {
  margin-bottom: 8px;
}

.completion-chart-meta span:last-child {
  color: var(--paper-text);
  text-align: right;
}

.completion-chart-host {
  position: relative;
  width: 100%;
  min-height: 330px;
  overflow: hidden;
}

.completion-chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.completion-chart-key {
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 4px;
  gap: 8px 18px;
}

.completion-chart-key span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.completion-chart-key i {
  display: block;
  width: 14px;
  height: 5px;
  border: 1px solid var(--paper-text);
}

.completion-key-anchor {
  background: var(--acid);
}

.completion-key-generated {
  border-color: #147d86 !important;
  background: var(--cyan);
}

.completion-key-check {
  border-width: 1px 0 0;
  border-color: var(--paper-text) !important;
  background: transparent;
}

.completion-chart-fallback {
  display: grid;
  min-height: 330px;
  place-items: center;
  border: 1px dashed var(--paper-line);
  color: var(--paper-muted);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  text-align: center;
  text-transform: uppercase;
}

.completion-chart-fallback span {
  display: block;
  margin-top: 6px;
  color: var(--paper-text);
  font-size: 8px;
}

.completion-chart text {
  font-family: "DM Mono", monospace;
  letter-spacing: 0;
}

.completion-viz-grid line {
  stroke: rgba(21, 24, 21, 0.16);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-grid .time-guide {
  stroke: rgba(21, 24, 21, 0.1);
  stroke-dasharray: 1 5;
}

.completion-viz-labels .completion-viz-micro {
  fill: var(--paper-muted);
  font-size: 9px;
  text-transform: uppercase;
}

.completion-viz-phase {
  fill: var(--paper-text);
  font-size: 10px;
  font-weight: 600;
}

.completion-viz-source {
  fill: url("#completionSourceGradient");
  stroke: var(--paper-text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-source-tick {
  stroke: rgba(21, 24, 21, 0.4);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-source-value {
  fill: var(--paper-text);
  font-size: 11px;
  font-weight: 600;
}

.completion-viz-source-scan {
  fill: rgba(255, 255, 255, 0.8);
  pointer-events: none;
}

.completion-viz-source-spine,
.completion-viz-source-link,
.completion-viz-piece-link {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.completion-viz-source-spine {
  stroke: var(--paper-text);
  stroke-width: 1.5;
  stroke-dasharray: 2 4;
  opacity: 0.55;
}

.completion-viz-source-link {
  stroke: var(--paper-text);
  stroke-width: 1.5;
}

.completion-viz-map-node {
  fill: var(--paper);
  stroke: var(--paper-text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-map-dot {
  fill: var(--coral);
  stroke: var(--paper-text);
  stroke-width: 0.7;
  vector-effect: non-scaling-stroke;
}

.completion-viz-map-label {
  fill: var(--paper-muted);
  font-size: 8px;
  font-weight: 600;
}

.completion-viz-interval {
  fill: rgba(98, 217, 228, 0.1);
  stroke: rgba(20, 125, 134, 0.34);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  vector-effect: non-scaling-stroke;
}

.completion-viz-interval-label {
  fill: #147d86;
  font-size: 8px;
  font-weight: 600;
}

.completion-viz-piece-link {
  stroke: #147d86;
  stroke-width: 2.5;
}

.completion-viz-piece-link.is-anchor {
  stroke: #697b12;
  stroke-width: 1.5;
  stroke-dasharray: 2 4;
}

.completion-viz-piece-pulse {
  fill: none;
  stroke: rgba(255, 255, 255, 0.88);
  stroke-width: 1.5;
  stroke-dasharray: 1 13;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.completion-viz-anchor-guides line {
  stroke: rgba(105, 123, 18, 0.32);
  stroke-width: 1;
  stroke-dasharray: 2 5;
  vector-effect: non-scaling-stroke;
}

.completion-viz-anchor-ring {
  fill: none;
  stroke: rgba(105, 123, 18, 0.32);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-anchor-dot {
  fill: rgba(216, 255, 89, 0.28);
  stroke: #697b12;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-anchor[data-active="true"] .completion-viz-anchor-ring {
  stroke: #697b12;
  stroke-width: 1.5;
}

.completion-viz-anchor[data-active="true"] .completion-viz-anchor-dot {
  fill: var(--acid);
}

.completion-viz-anchor-label {
  fill: var(--paper-text);
  font-size: 9px;
  font-weight: 600;
}

.completion-viz-fill-cell,
.completion-viz-output-cell {
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-fill-cell.is-anchor,
.completion-viz-output-cell.is-anchor {
  fill: var(--acid);
  stroke: #697b12;
}

.completion-viz-fill-cell.is-generated,
.completion-viz-output-cell.is-generated {
  fill: var(--cyan);
  fill: url("#completionFillGradient");
  stroke: #147d86;
}

.completion-viz-output-rail {
  fill: rgba(21, 24, 21, 0.035);
  stroke: var(--paper-text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-output-index {
  fill: var(--paper-muted);
  font-size: 8px;
}

.completion-viz-axis line,
.completion-viz-axis-tick line {
  stroke: var(--paper-text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-axis-tick text,
.completion-viz-axis-unit {
  fill: var(--paper-muted);
  font-size: 8px;
}

.completion-viz-cursor line {
  stroke: var(--paper-text);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.completion-viz-cursor circle {
  fill: var(--coral);
  stroke: var(--paper-text);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.completion-viz-evaluation-sweep {
  fill: rgba(98, 217, 228, 0.18);
  pointer-events: none;
}

.completion-visual[data-state="running"] .completion-viz-piece-pulse {
  animation: completion-flow 1.25s linear infinite;
}

.completion-summary {
  border-top: 1px solid var(--paper-line);
  color: var(--paper-muted);
}

.completion-summary strong {
  color: var(--paper-text);
  font-weight: 500;
  text-align: center;
}

.completion-output-stage {
  display: grid;
  min-width: 0;
  height: 640px;
  grid-template-rows: 52px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid #343934;
  border-radius: 6px;
  background: var(--bg-deep);
  color: var(--text);
}

.completion-output-stage .stage-toolbar {
  min-width: 0;
}

.completion-media {
  position: relative;
  display: grid;
  min-height: 0;
  height: 100%;
  place-items: center;
  overflow: hidden;
}

.completion-media video {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 240ms ease;
}

.completion-output-stage[data-state="ready"] .completion-media video {
  opacity: 1;
}

.finishing-section {
  border-top: 1px solid var(--line);
}

.finishing-tool {
  margin-top: 50px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--bg-deep);
}

.finishing-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 12px 0 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 8px;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(2, 84px);
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg-deep);
}

.segmented-control button {
  height: 30px;
  padding: 0 12px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 8px;
  text-transform: uppercase;
}

.segmented-control button.is-active {
  background: var(--text);
  color: var(--bg-deep);
}

.finishing-toolbar-meta {
  gap: 12px;
}

.finishing-stage {
  --split: 52%;
  position: relative;
  display: grid;
  height: min(68svh, 680px);
  min-height: 460px;
  place-items: center;
  overflow: hidden;
  cursor: ew-resize;
  touch-action: none;
}

.finishing-stage > video,
.finishing-reveal,
.finishing-reveal video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.finishing-stage video {
  object-fit: contain;
}

.finishing-reveal {
  width: var(--split);
  overflow: hidden;
  border-right: 1px solid var(--text);
}

.finishing-reveal video {
  width: calc(100vw - 44px);
  max-width: var(--shell-width);
}

.finishing-divider {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: var(--split);
  width: 1px;
  background: var(--text);
}

.finishing-divider i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 34px;
  height: 34px;
  border: 1px solid var(--text);
  border-radius: 50%;
  background: var(--bg-deep);
  transform: translate(-50%, -50%);
}

.finishing-divider i::before,
.finishing-divider i::after {
  position: absolute;
  top: 50%;
  width: 5px;
  height: 5px;
  border-top: 1px solid var(--text);
  border-left: 1px solid var(--text);
  content: "";
}

.finishing-divider i::before {
  left: 8px;
  transform: translateY(-50%) rotate(-45deg);
}

.finishing-divider i::after {
  right: 8px;
  transform: translateY(-50%) rotate(135deg);
}

.finishing-label {
  position: absolute;
  z-index: 3;
  top: 14px;
  padding: 7px 9px;
  border: 1px solid rgba(243, 244, 237, 0.2);
  border-radius: 3px;
  background: rgba(5, 6, 5, 0.78);
  color: var(--text);
  font-size: 8px;
}

.finishing-label-base {
  left: 14px;
}

.finishing-label-result {
  right: 14px;
}

.cadence-rail {
  display: grid;
  grid-template-columns: repeat(48, minmax(2px, 1fr));
  gap: 3px;
  min-height: 48px;
  align-items: center;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.cadence-tick {
  height: 16px;
  background: #525a52;
}

.cadence-tick.is-generated {
  height: 9px;
  background: var(--acid);
}

.cadence-rail[data-mode="detail"] {
  grid-template-columns: repeat(16, minmax(4px, 1fr));
}

.cadence-rail[data-mode="detail"] .cadence-tick {
  height: calc(5px + var(--sample-index, 1) * 0.7px);
  background: var(--cyan);
}

.finishing-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 16px;
  border-top: 1px solid var(--line);
}

.finishing-footer p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.finishing-footer > div {
  display: flex;
  gap: 18px;
}

.finishing-footer a {
  color: var(--text);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  text-decoration: none;
  text-transform: uppercase;
}

.finishing-footer a:hover {
  color: var(--acid);
}

.site-footer {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 34px max(22px, calc((100vw - var(--shell-width)) / 2));
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 8px;
}

.site-footer p {
  max-width: 520px;
  margin: 0 auto;
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  text-transform: none;
}

.site-footer > a {
  color: var(--text);
  text-decoration: none;
}

.page-status {
  position: fixed;
  z-index: 70;
  right: 18px;
  bottom: 18px;
  max-width: min(360px, calc(100vw - 36px));
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface-raised);
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.page-status.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@keyframes completion-flow {
  to { stroke-dashoffset: -28px; }
}

@media (max-width: 1080px) {
  .section-intro {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .system-definition,
  .section-support {
    grid-column: 2;
    max-width: 700px;
  }

  .system-definition {
    margin-top: 4px;
  }

  .section-support {
    margin-top: 0;
  }

  .completion-layout {
    grid-template-columns: minmax(0, 1fr) minmax(270px, 320px);
  }
}

@media (max-width: 820px) {
  .site-header {
    padding-inline: 16px;
  }

  .site-header nav {
    gap: 14px;
  }

  .site-header nav a {
    font-size: 9px;
  }

  .section-shell {
    width: calc(100% - 28px);
  }

  .story-section {
    padding-block: 68px;
  }

  .composition-section {
    padding-top: 42px;
  }

  .section-intro {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 20px;
  }

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 40px;
  }

  .composition-media {
    height: min(66svh, 590px);
    min-height: 440px;
  }

  .media-side-note {
    display: none;
  }

  .composition-media::before,
  .composition-media::after {
    display: none;
  }

  .logic-key {
    grid-template-columns: 1fr;
  }

  .logic-key > div {
    padding: 16px 0;
  }

  .logic-key > div + div {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .system-loop-inner {
    display: block;
  }

  .system-loop-inner ol {
    margin-top: 22px;
    overflow-x: auto;
    grid-template-columns: repeat(6, minmax(118px, 1fr));
  }

  .completion-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .completion-output-stage {
    width: min(100%, 360px);
    height: 600px;
    justify-self: center;
  }

  .completion-visual {
    min-height: 600px;
  }

  .completion-chart-host,
  .completion-chart-fallback {
    min-height: 300px;
  }

  .finishing-stage {
    height: min(66svh, 580px);
  }

  .finishing-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    grid-template-columns: 1fr auto;
  }

  .site-footer p {
    display: none;
  }
}

@media (max-width: 580px) {
  #completionVisual .completion-stepper {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    row-gap: 0 !important;
  }

  #completionVisual .completion-stepper li + li {
    border-left: 0 !important;
    padding-left: 4px !important;
  }

  #completionVisual .completion-stepper li:nth-child(n + 3) {
    border-top: 1px solid var(--paper-line);
    padding-top: 12px !important;
  }

  #completionVisual .completion-stepper li:nth-child(3),
  #completionVisual .completion-stepper li:nth-child(4) {
    margin-top: 4px;
  }

  .brand-copy small {
    display: none;
  }

  .site-header nav {
    gap: 10px;
  }

  .site-header nav a {
    display: block;
    font-size: 8px;
  }

  .site-header nav .evidence-link {
    display: none;
  }

  .section-intro {
    display: block;
  }

  .section-index {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 26px;
  }

  .section-index small {
    margin-top: 0;
  }

  .system-definition {
    margin-top: 24px;
  }

  h1 {
    font-size: 40px;
    line-height: 1.02;
  }

  h2 {
    font-size: 34px;
    line-height: 1.07;
  }

  .section-lede {
    font-size: 15px;
  }

  .composition-stage {
    margin-top: 34px;
  }

  .composition-media {
    height: min(68svh, 540px);
    min-height: 400px;
  }

  .stage-toolbar {
    padding-left: 12px;
  }

  .stage-toolbar-actions {
    gap: 7px;
  }

  .stage-caption {
    right: 10px;
    bottom: 10px;
    min-width: 180px;
  }

  .prototype-label {
    top: 10px;
    left: 10px;
  }

  .orchestration-figure figcaption {
    display: block;
  }

  .orchestration-figure output {
    display: block;
    margin-top: 12px;
    text-align: left;
  }

  .timeline-scrubber {
    --timeline-label-width: 88px;
  }

  .timeline-row {
    gap: 9px;
  }

  .model-segment {
    justify-content: center;
    padding-inline: 5px;
  }

  .model-segment span {
    display: none;
  }

  .stitch-window {
    color: transparent;
  }

  .stitch-window.is-active {
    color: transparent;
  }

  .consistency-track span {
    font-size: 7px;
  }

  .completion-layout,
  .finishing-tool {
    margin-top: 36px;
  }

  .completion-visual {
    min-height: 560px;
  }

  .completion-output-stage {
    height: 540px;
  }

  .completion-chart-host,
  .completion-chart-fallback {
    min-height: 260px;
  }

  .completion-chart-meta,
  .completion-chart-key {
    font-size: 7px;
  }

  .completion-summary strong {
    max-width: 130px;
  }

  .completion-media {
    min-height: 0;
  }

  .finishing-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding-block: 10px;
  }

  .finishing-toolbar-meta {
    justify-content: space-between;
  }

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

  .finishing-stage {
    height: min(64svh, 520px);
    min-height: 410px;
  }

  .finishing-reveal video {
    width: calc(100vw - 28px);
  }

  .finishing-footer > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .site-footer {
    align-items: flex-start;
    padding-inline: 16px;
  }

  .footer-brand .brand-copy {
    display: none;
  }
}

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

  .skip-link,
  .composition-video,
  .model-segment,
  .stitch-window,
  .system-loop-inner li,
  .completion-media video,
  .page-status {
    transition: none;
  }

  .completion-visual .completion-viz-piece-pulse {
    animation: none;
  }
}

@media (max-width: 359px) {
  .site-header nav {
    display: none;
  }
}

/* Finishing proof pass: make the comparison contract visible before adding
   any signal decoration. Detail uses the real divider; motion uses one
   normalized clock shared by both media and both cadence lanes. */
.finishing-proof-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  border-top: 1px solid var(--line);
  background: #101410;
}

.finishing-proof-copy {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.finishing-proof-kicker,
.finishing-proof-readout,
.motion-cadence-axis-label,
.motion-cadence-axis-track,
.cadence-lane-label {
  font-family: "DM Mono", "Consolas", monospace;
  text-transform: uppercase;
}

.finishing-proof-kicker {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.finishing-proof-copy strong {
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
}

.finishing-proof-copy small {
  max-width: 760px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.finishing-proof-readout {
  display: grid;
  flex: 0 0 auto;
  justify-items: end;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.finishing-proof-readout strong {
  color: var(--acid);
  font-size: 14px;
  font-weight: 500;
}

.cadence-rail[hidden] {
  display: none !important;
}

.finishing-tool[data-mode="detail"] .finishing-stage::before,
.finishing-tool[data-mode="detail"] .finishing-stage::after,
.finishing-tool[data-mode="motion"] .finishing-stage::before,
.finishing-tool[data-mode="motion"] .finishing-stage::after {
  content: none;
}

.finishing-tool[data-mode="motion"] .finishing-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  height: min(50svh, 500px);
  min-height: 400px;
  background: var(--line);
  cursor: default;
  touch-action: auto;
}

.finishing-tool[data-mode="motion"] .finishing-stage > .finishing-base {
  position: relative;
  inset: auto;
  grid-column: 1;
  align-self: stretch;
  justify-self: stretch;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  background: #050605;
  object-fit: contain;
}

.finishing-tool[data-mode="motion"] .finishing-stage > .finishing-reveal {
  position: relative;
  inset: auto;
  grid-column: 2;
  align-self: stretch;
  justify-self: stretch;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  border: 0;
  background: #050605;
}

.finishing-tool[data-mode="motion"] .finishing-reveal video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
}

.finishing-tool[data-mode="motion"] .finishing-divider {
  top: 0;
  bottom: 0;
  left: 50%;
  background: var(--amber);
  box-shadow: 0 0 16px rgba(255, 194, 103, 0.28);
  opacity: 0.8;
}

.finishing-tool[data-mode="motion"] .finishing-divider i {
  display: none;
}

.motion-cadence-axis,
.motion-cadence-grid {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 12px;
}

.motion-cadence-axis {
  align-items: center;
  margin-bottom: 8px;
}

.motion-cadence-axis-label {
  color: var(--muted);
  font-size: 11px;
}

.motion-cadence-axis-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
}

.motion-cadence-axis-track [data-position="middle"] {
  color: var(--acid);
}

.motion-cadence-grid {
  position: relative;
}

.motion-cadence-labels,
.motion-cadence-tracks {
  display: grid;
  grid-template-rows: repeat(2, minmax(28px, auto));
  gap: 8px;
  align-items: center;
}

.motion-cadence-tracks {
  position: relative;
  min-width: 0;
}

.cadence-lane-label {
  display: grid;
  min-width: 0;
  gap: 2px;
  color: var(--muted);
}

.cadence-lane-label strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.cadence-lane-label small {
  overflow: hidden;
  color: var(--muted);
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.cadence-lane-track {
  display: flex;
  min-width: 0;
  height: 20px;
  gap: 4px;
  align-items: center;
  padding: 3px 0;
  border-top: 1px solid rgba(176, 186, 176, 0.22);
  border-bottom: 1px solid rgba(176, 186, 176, 0.22);
}

.cadence-lane-track .cadence-tick {
  flex: 1 1 0;
  min-width: 2px;
  height: 12px;
  background: #697369;
  opacity: 0.24;
  transition: opacity 100ms linear;
}

.cadence-lane[data-lane="source"] .cadence-tick {
  height: 12px;
  background: var(--text);
}

.cadence-lane[data-lane="result"] .cadence-tick {
  height: 16px;
  background: var(--cyan);
}

.cadence-lane[data-lane="result"] .cadence-tick.is-generated {
  background: var(--amber);
}

.cadence-lane[data-lane="result"] .cadence-tick.is-retained {
  background: var(--cyan);
}

.cadence-playhead {
  position: absolute;
  z-index: 4;
  top: -6px;
  bottom: -6px;
  left: 0;
  width: 2px;
  background: var(--acid);
  box-shadow: 0 0 12px rgba(216, 255, 89, 0.68);
  pointer-events: none;
  transform: translateX(-1px);
}

@media (max-width: 700px) {
  .finishing-tool[data-mode="detail"] .finishing-stage {
    height: min(58svh, 520px);
    min-height: 360px;
  }

  .finishing-proof-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .finishing-proof-readout {
    justify-items: start;
  }

  .finishing-tool[data-mode="motion"] .finishing-stage {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(2, minmax(0, 1fr));
    height: min(160vw, 620px);
    min-height: 0;
  }

  .finishing-tool[data-mode="motion"] .finishing-stage > .finishing-base {
    grid-column: 1;
    grid-row: 1;
  }

  .finishing-tool[data-mode="motion"] .finishing-stage > .finishing-reveal {
    grid-column: 1;
    grid-row: 2;
  }

  .finishing-tool[data-mode="motion"] .finishing-divider {
    top: 50%;
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: 1px;
  }

  .motion-cadence-axis,
  .motion-cadence-grid {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 8px;
  }

  .motion-cadence-axis-track,
  .motion-cadence-axis-label {
    font-size: 10px;
  }

  .cadence-lane-label strong {
    font-size: 12px;
  }

  .cadence-lane-label small {
    font-size: 11px;
  }
}

/* Comprehension pass: keep the signal-tech anchor, but give the story rail and
   its meaning-bearing labels enough physical scale to read while it moves. */
:root {
  --header-height: 72px;
  --story-progress-height: 64px;
}

.site-header {
  height: var(--header-height);
}

.brand-copy strong {
  font-size: 15px;
}

.brand-copy small {
  font-size: 10px;
}

.site-header nav a {
  font-size: 12px;
}

.site-header .evidence-link {
  font-size: 11px;
}

.story-progress {
  position: sticky;
  z-index: 35;
  top: var(--header-height);
  height: var(--story-progress-height);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 12, 0.96);
  backdrop-filter: blur(14px);
}

.story-progress-inner {
  position: relative;
  display: grid;
  height: 100%;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  gap: 24px;
}

.story-progress-heading {
  display: grid;
  gap: 5px;
}

.story-progress-heading span {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.story-progress-heading strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
}

.story-progress-steps {
  display: grid;
  height: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.story-progress-steps li {
  min-width: 0;
  border-left: 1px solid var(--line);
}

.story-progress-steps button {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--muted);
  text-align: left;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.story-progress-steps button span {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 11px;
}

.story-progress-steps button strong {
  font-size: 14px;
  font-weight: 600;
}

.story-progress-steps li.is-active button,
.story-progress-steps li.is-complete button {
  color: var(--text);
}

.story-progress-steps li.is-active button {
  border-bottom-color: var(--acid);
  background: rgba(216, 255, 89, 0.07);
}

.story-progress-steps li.is-active button span {
  color: var(--acid);
}

.story-progress-steps button:hover,
.story-progress-steps button:focus-visible {
  background: rgba(243, 244, 237, 0.08);
  color: var(--text);
}

.story-progress-track {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 204px;
  height: 3px;
  overflow: visible;
  background: rgba(243, 244, 237, 0.12);
  pointer-events: none;
}

.story-progress-track i {
  position: absolute;
  top: -3px;
  left: 0;
  width: 18px;
  height: 9px;
  border: 1px solid var(--acid);
  background: var(--acid);
  box-shadow: 0 0 16px rgba(216, 255, 89, 0.44);
  transform: translateX(-50%);
  transition: left 180ms linear, background-color 180ms ease, border-color 180ms ease;
}

body[data-active-scene="complete"] .story-progress-track i {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(95, 225, 232, 0.4);
}

body[data-active-scene="finish-detail"] .story-progress-track i {
  border-color: var(--cyan);
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(95, 225, 232, 0.4);
}

body[data-active-scene="finish-motion"] .story-progress-track i {
  border-color: var(--amber);
  background: var(--amber);
  box-shadow: 0 0 16px rgba(255, 194, 103, 0.4);
}

.story-section {
  scroll-margin-top: calc(var(--header-height) + var(--story-progress-height));
}

.section-kicker {
  font-size: 13px;
}

.section-lede {
  font-size: 19px;
}

.section-support {
  font-size: 18px;
  line-height: 1.55;
}

.system-loop-inner > div > span {
  font-size: 11px;
}

.system-loop-inner > div > strong {
  font-size: 18px;
}

.system-loop-inner li {
  font-size: 15px;
}

.system-loop-inner li span {
  font-size: 11px;
}

.stage-toolbar {
  font-size: 13px;
}

.media-status,
.prototype-label {
  font-size: 12px;
}

.composition-model-legend-title {
  font-size: 11px;
}

.model-signal strong {
  font-size: 13px;
}

.model-signal small {
  font-size: 11px;
}

.orchestration-figure figcaption span,
.timeline-ruler,
.timeline-row-label,
.orchestration-figure output {
  font-size: 12px;
}

.orchestration-figure figcaption strong {
  font-size: 18px;
}

.model-segment span,
.stitch-window,
.consistency-track span {
  font-size: 12px;
}

.logic-key p,
.logic-key strong {
  font-size: 16px;
}

.media-side-note span,
.logic-key-index {
  font-size: 11px;
}

.completion-visual {
  min-height: 0;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.completion-visual-toolbar,
.completion-summary {
  font-size: 13px;
}

.completion-visual-toolbar > span strong {
  font-size: 19px;
}

.completion-visual-toolbar > span small {
  font-size: 12px;
  text-transform: none;
}

.completion-stepper li {
  grid-template-columns: 36px minmax(0, 1fr);
  column-gap: 10px;
  padding-block: 13px;
}

.completion-stepper li > span {
  width: 34px;
  height: 34px;
  font-size: 12px;
}

.completion-stepper li strong {
  font-size: 17px;
}

.completion-stepper li small {
  overflow: visible;
  font-size: 13px;
  line-height: 1.25;
  text-overflow: clip;
  white-space: normal;
}

.completion-map {
  padding-top: 24px;
}

.completion-chart-meta,
.completion-chart-key {
  font-size: 13px;
}

.completion-map-note {
  max-width: 860px;
  margin-bottom: 14px;
  font-size: 17px;
  line-height: 1.5;
}

.completion-gap-summary {
  display: grid;
  max-width: 620px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 4px;
}

.completion-gap-summary span {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(20, 125, 134, 0.35);
  background: rgba(95, 225, 232, 0.08);
  color: #147d86;
  font-size: 14px;
}

.completion-gap-summary strong {
  color: var(--paper-text);
  font-family: "DM Mono", monospace;
  font-size: 14px;
}

.completion-gap-summary b {
  font-size: 14px;
  font-weight: 600;
}

.completion-chart-host {
  min-height: 0;
  height: clamp(390px, 38vw, 470px);
  overflow: visible;
}

.completion-chart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.completion-chart text {
  font-family: "DM Mono", monospace;
  letter-spacing: 0;
}

.completion-viz-stage-label {
  fill: var(--paper-text);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.completion-viz-micro {
  fill: var(--paper-muted);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.completion-viz-phase {
  fill: var(--paper-text);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.completion-viz-source {
  fill: url("#completionSourceGradient");
  stroke: var(--paper-text);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.completion-viz-source-tick {
  stroke: rgba(21, 24, 21, 0.42);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.completion-viz-source-value {
  fill: var(--paper-text);
  font-size: 22px;
  font-weight: 700;
}

.completion-viz-source-caption {
  fill: #697b12;
  font-size: 15px;
  font-weight: 700;
}

.completion-viz-source-scan {
  fill: rgba(255, 255, 255, 0.9);
  pointer-events: none;
}

.completion-viz-handoff-path {
  fill: none;
  stroke: #697b12;
  stroke-width: 2;
  stroke-dasharray: 5 7;
  vector-effect: non-scaling-stroke;
}

.completion-viz-handoff-label {
  fill: #697b12;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.completion-viz-handoff marker path,
#completionArrow path {
  fill: #697b12;
}

.completion-viz-rail-base {
  fill: rgba(21, 24, 21, 0.04);
  stroke: var(--paper-text);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.completion-viz-slot {
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  transition: opacity 120ms ease;
}

.completion-viz-slot.is-anchor {
  fill: var(--acid);
  stroke: #697b12;
}

.completion-viz-slot.is-generated {
  fill: url("#completionGeneratedGradient");
  stroke: #147d86;
  stroke-dasharray: 3 3;
}

.completion-viz-slot.is-generated[data-active="true"] {
  stroke-dasharray: none;
}

.completion-viz-slot-index {
  fill: var(--paper-muted);
  font-size: 13px;
}

.completion-viz-anchor-label {
  fill: #697b12;
  font-size: 17px;
  font-weight: 700;
}

.completion-viz-gap-bracket {
  fill: none;
  stroke: #147d86;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.completion-viz-gap-bracket[data-active="true"] {
  stroke: #0b6f78;
  stroke-width: 3;
}

.completion-viz-gap-label {
  fill: #147d86;
  font-size: 14px;
  font-weight: 700;
}

.completion-viz-endpoint-ring {
  fill: var(--paper);
  stroke: #147d86;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.completion-viz-endpoint-check {
  fill: none;
  stroke: #147d86;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.completion-viz-endpoint-label,
.completion-viz-endpoint-value {
  fill: var(--paper-text);
  font-size: 15px;
  font-weight: 700;
}

.completion-viz-axis line,
.completion-viz-axis-tick line {
  stroke: var(--paper-text);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.completion-viz-axis-tick text,
.completion-viz-axis-unit {
  fill: var(--paper-muted);
  font-size: 16px;
  font-weight: 600;
}

.completion-viz-cursor line {
  stroke: var(--paper-text);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.completion-viz-cursor circle {
  fill: var(--coral);
  stroke: var(--paper-text);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.completion-viz-evaluation-sweep {
  fill: rgba(95, 225, 232, 0.28);
  pointer-events: none;
}

.completion-summary strong {
  font-size: 17px;
}

.completion-output-stage .stage-toolbar {
  font-size: 13px;
}

.finishing-toolbar {
  font-size: 13px;
}

.finishing-toolbar-kicker,
.finishing-toolbar-meta {
  font-size: 12px;
}

.finishing-toolbar-title {
  font-size: 19px;
}

.finishing-study-copy strong {
  font-size: 19px;
}

.finishing-study-copy small {
  font-size: 13px;
}

.finishing-label {
  font-size: 13px;
}

.cadence-rail-heading strong,
.cadence-lane-label {
  font-size: 13px;
}

.cadence-rail-heading small {
  font-size: 12px;
}

.finishing-footer p {
  font-size: 17px;
}

.finishing-footer a {
  font-size: 13px;
}

.site-footer {
  font-size: 12px;
}

.completion-visual[data-ready="true"] {
  box-shadow: inset 0 -3px 0 var(--cyan);
}

.finishing-tool.is-unlocked .finishing-study-nav {
  box-shadow: inset 0 3px 0 rgba(95, 225, 232, 0.45);
}

@media (max-width: 820px) {
  :root {
    --header-height: 68px;
    --story-progress-height: 62px;
  }

  .site-header nav a {
    font-size: 11px;
  }

  .story-progress-inner {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 12px;
  }

  .story-progress-track {
    left: 150px;
  }

  .story-progress-steps button {
    padding-inline: 8px;
  }

  .story-progress-steps button strong {
    font-size: 13px;
  }

  .completion-chart-host {
    height: 430px;
  }

  .completion-gap-summary {
    max-width: none;
  }
}

@media (max-width: 580px) {
  :root {
    --header-height: 64px;
    --story-progress-height: 74px;
  }

  .site-header {
    padding-inline: 14px;
  }

  .brand-copy strong {
    font-size: 13px;
  }

  .site-header nav {
    gap: 12px;
  }

  .site-header nav a {
    font-size: 10px;
  }

  .story-progress-inner {
    display: block;
    padding-top: 7px;
  }

  .story-progress-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }

  .story-progress-heading span {
    font-size: 10px;
  }

  .story-progress-heading strong {
    font-size: 13px;
  }

  .story-progress-steps {
    height: 42px;
    margin-top: 3px;
  }

  .story-progress-steps button {
    justify-content: center;
    gap: 5px;
    padding: 0 4px;
  }

  .story-progress-steps button span {
    font-size: 10px;
  }

  .story-progress-steps button strong {
    font-size: 12px;
  }

  .story-progress-track {
    right: 0;
    bottom: -1px;
    left: 0;
  }

  .section-lede {
    font-size: 17px;
  }

  .section-support {
    font-size: 17px;
  }

  .completion-visual-toolbar > span strong {
    font-size: 17px;
  }

  .completion-visual-toolbar > span small {
    font-size: 12px;
    line-height: 1.35;
  }

  .completion-stepper {
    gap: 3px;
  }

  .completion-stepper li {
    display: grid;
    grid-template-columns: 28px minmax(0, 1fr);
    column-gap: 5px;
    padding: 8px 4px;
  }

  .completion-stepper li + li {
    padding-left: 7px;
  }

  .completion-stepper li > span {
    width: 27px;
    height: 27px;
    font-size: 11px;
  }

  .completion-stepper li strong {
    font-size: 15px;
  }

  .completion-stepper li small {
    font-size: 12px;
    line-height: 1.22;
  }

  .completion-map-note {
    font-size: 15px;
  }

  .completion-chart-meta,
  .completion-chart-key {
    font-size: 12px;
  }

  .completion-chart-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .completion-chart-meta span:last-child {
    text-align: left;
  }

  .completion-gap-summary {
    gap: 5px;
  }

  .completion-gap-summary span,
  .completion-gap-summary strong,
  .completion-gap-summary b {
    font-size: 12px;
  }

  .completion-gap-summary span {
    min-height: 38px;
    padding-inline: 7px;
  }

  .completion-chart-host {
    height: 405px;
  }

  .completion-summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding-block: 12px;
  }

  .completion-summary strong {
    max-width: none;
    font-size: 16px;
    text-align: left;
  }

  .finishing-toolbar-title,
  .finishing-study-copy strong {
    font-size: 17px;
  }

  .finishing-study-copy small,
  .finishing-toolbar-meta,
  .finishing-label,
  .cadence-rail-heading strong,
  .cadence-lane-label {
    font-size: 12px;
  }

  .finishing-footer p {
    font-size: 16px;
  }
}

@media (max-width: 359px) {
  .story-progress-heading span {
    display: none;
  }

  .story-progress-heading {
    justify-content: flex-start;
  }

  .story-progress-steps button {
    gap: 3px;
  }

  .story-progress-steps button strong {
    font-size: 11px;
  }

  .completion-stepper li small {
    font-size: 11px;
  }

  .completion-chart-host {
    height: 390px;
  }
}

/* Keep primary controls and signal labels out of the micro-type tier. */
.site-header nav a,
.site-header .evidence-link {
  font-size: 12px !important;
}

.stage-toolbar,
.media-status,
.prototype-label {
  font-size: 13px !important;
}

.composition-model-legend-title {
  font-size: 12px !important;
}

.composition-model-legend {
  width: min(620px, calc(100% - 32px)) !important;
}

.model-signal {
  padding-inline: 7px;
}

.model-signal strong {
  font-size: 13px !important;
}

.model-signal small {
  font-size: 11px !important;
}

.orchestration-figure figcaption span,
.timeline-ruler,
.timeline-row-label,
.orchestration-figure output,
.model-segment span,
.stitch-window,
.consistency-track span {
  font-size: 12px !important;
}

.logic-key p,
.logic-key strong {
  font-size: 16px !important;
}

.system-loop-inner > div > span,
.system-loop-inner li span {
  font-size: 11px !important;
}

.system-loop-inner > div > strong {
  font-size: 18px !important;
}

.system-loop-inner li {
  font-size: 15px !important;
}

.finishing-toolbar-kicker,
.finishing-toolbar-meta,
.finishing-label,
.cadence-rail-heading small {
  font-size: 12px !important;
}

@media (max-width: 580px) {
  .site-header nav a,
  .site-header .evidence-link {
    font-size: 11px !important;
  }

  .stage-toolbar,
  .media-status,
  .prototype-label {
    font-size: 12px !important;
  }

  .composition-model-legend-title {
    font-size: 11px !important;
  }

  .composition-model-legend {
    width: calc(100% - 20px) !important;
  }

  .model-signal strong {
    font-size: 12px !important;
  }

  .model-signal small {
    font-size: 11px !important;
  }

  .system-loop-inner li {
    font-size: 14px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .story-progress-track i,
  .completion-viz-slot,
  .story-progress-steps button {
    transition: none;
  }
}

/* Signal-tech redesign: the acid tone anchors the brand; each operation owns a
   persistent signal so the story remains readable while the media is moving. */
:root {
  --acid: #d8ff59;
  --cyan: #5fe1e8;
  --coral: #ff8069;
  --amber: #ffc267;
  --violet: #9f91ff;
  --muted: #b0bab0;
  --line: #3a443b;
  --line-strong: #657066;
  --text-body: #dbe2da;
}

body {
  font-size: 16px;
  line-height: 1.5;
}

.brand-copy strong {
  font-size: 14px;
}

.brand-copy small,
.site-header nav a {
  font-size: 10px;
}

.section-kicker {
  font-size: 12px;
}

.section-index small,
.system-definition span {
  font-size: 10px;
}

.system-definition p,
.section-support {
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.6;
}

.stage-toolbar {
  font-size: 12px;
}

.prototype-label,
.media-status {
  font-size: 10px;
}

.composition-media {
  isolation: isolate;
}

.composition-media[data-signal="acid"] .stage-caption,
.composition-stage[data-signal="acid"] .stage-caption {
  border-left-color: var(--acid);
}

.composition-media[data-signal="cyan"] .stage-caption,
.composition-stage[data-signal="cyan"] .stage-caption {
  border-left-color: var(--cyan);
}

.composition-media[data-signal="coral"] .stage-caption,
.composition-stage[data-signal="coral"] .stage-caption {
  border-left-color: var(--coral);
}

.composition-media[data-signal="amber"] .stage-caption,
.composition-stage[data-signal="amber"] .stage-caption {
  border-left-color: var(--amber);
}

.composition-media[data-signal="violet"] .stage-caption,
.composition-stage[data-signal="violet"] .stage-caption {
  border-left-color: var(--violet);
}

.stage-caption {
  min-width: 250px;
  padding: 14px 16px;
}

.stage-caption span {
  font-size: 10px;
}

.stage-caption strong {
  font-size: 15px;
}

.composition-signal-readout {
  position: absolute;
  z-index: 3;
  bottom: 16px;
  left: 16px;
  display: grid;
  min-width: 226px;
  gap: 3px;
  padding: 12px 14px 13px;
  border: 1px solid rgba(243, 244, 237, 0.2);
  border-left: 3px solid var(--signal-color, var(--acid));
  background: rgba(5, 6, 5, 0.84);
}

.composition-signal-readout span,
.composition-signal-readout small {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.composition-signal-readout strong {
  color: var(--signal-color, var(--acid));
  font-size: 18px;
  font-weight: 600;
}

.composition-signal-readout small {
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  text-transform: none;
}

.composition-media[data-signal="acid"] .composition-signal-readout,
.composition-stage[data-signal="acid"] .composition-signal-readout { --signal-color: var(--acid); }
.composition-media[data-signal="cyan"] .composition-signal-readout,
.composition-stage[data-signal="cyan"] .composition-signal-readout { --signal-color: var(--cyan); }
.composition-media[data-signal="coral"] .composition-signal-readout,
.composition-stage[data-signal="coral"] .composition-signal-readout { --signal-color: var(--coral); }
.composition-media[data-signal="amber"] .composition-signal-readout,
.composition-stage[data-signal="amber"] .composition-signal-readout { --signal-color: var(--amber); }
.composition-media[data-signal="violet"] .composition-signal-readout,
.composition-stage[data-signal="violet"] .composition-signal-readout { --signal-color: var(--violet); }

.composition-model-legend {
  position: absolute;
  z-index: 4;
  top: 16px;
  right: 16px;
  display: grid;
  width: min(520px, calc(100% - 32px));
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(243, 244, 237, 0.22);
  background: rgba(5, 6, 5, 0.84);
}

.composition-model-legend-title {
  grid-column: 1 / -1;
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.model-signal {
  --signal-color: var(--muted);
  display: grid;
  grid-template-columns: 8px minmax(0, 1fr);
  column-gap: 6px;
  align-items: center;
  min-width: 0;
  padding: 6px 5px;
  border: 1px solid rgba(243, 244, 237, 0.14);
  color: var(--muted);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.model-signal i {
  grid-row: 1 / span 2;
  width: 8px;
  height: 24px;
  background: var(--signal-color);
}

.model-signal strong,
.model-signal small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-signal strong {
  font-size: 11px;
  font-weight: 600;
}

.model-signal small {
  color: var(--muted);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.model-signal[data-tone="acid"] { --signal-color: var(--acid); }
.model-signal[data-tone="cyan"] { --signal-color: var(--cyan); }
.model-signal[data-tone="coral"] { --signal-color: var(--coral); }
.model-signal[data-tone="amber"] { --signal-color: var(--amber); }
.model-signal[data-tone="violet"] { --signal-color: var(--violet); }

.model-signal.is-active,
.model-signal.is-global {
  border-color: color-mix(in srgb, var(--signal-color) 70%, transparent);
  background: color-mix(in srgb, var(--signal-color) 12%, transparent);
  color: var(--text);
}

.model-signal.is-active {
  box-shadow: inset 0 -2px 0 var(--signal-color);
}

.model-signal.is-global {
  opacity: 0.86;
}

.orchestration-figure figcaption span,
.timeline-ruler,
.timeline-row-label,
.orchestration-figure output {
  font-size: 10px;
}

.orchestration-figure figcaption strong {
  font-size: 16px;
}

.model-track {
  height: 42px;
}

.model-segment {
  border-color: color-mix(in srgb, var(--segment-color, var(--line)) 52%, var(--line));
  background: color-mix(in srgb, var(--segment-color, var(--surface)) 8%, var(--surface));
  color: var(--text-body);
}

.model-segment[data-tone="acid"] { --segment-color: var(--acid); }
.model-segment[data-tone="cyan"] { --segment-color: var(--cyan); }
.model-segment[data-tone="coral"] { --segment-color: var(--coral); }

.model-segment[data-tone="acid"].is-active { border-color: var(--acid); background: rgba(216, 255, 89, 0.18); }
.model-segment[data-tone="cyan"].is-active { border-color: var(--cyan); background: rgba(95, 225, 232, 0.18); }
.model-segment[data-tone="coral"].is-active { border-color: var(--coral); background: rgba(255, 128, 105, 0.18); }

.model-segment strong {
  font-size: 15px;
}

.model-segment span {
  font-size: 10px;
}

.timeline-label-mark {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 7px;
  background: var(--muted);
  vertical-align: -1px;
}

.model-label-mark { background: linear-gradient(90deg, var(--acid) 0 33%, var(--cyan) 33% 66%, var(--coral) 66%); }
.stitch-label-mark { background: var(--amber); }
.consistency-label-mark { background: var(--violet); }

.stitch-window {
  border-color: var(--amber);
  background: rgba(255, 194, 103, 0.13);
  color: var(--amber);
  font-size: 10px;
}

.stitch-window.is-active {
  border-color: var(--amber);
  background: rgba(255, 194, 103, 0.26);
  color: var(--amber);
  box-shadow: 0 0 18px rgba(255, 194, 103, 0.18);
}

.consistency-track {
  border-color: color-mix(in srgb, var(--violet) 60%, var(--line));
  background: rgba(159, 145, 255, 0.06);
}

.consistency-track span {
  font-size: 10px;
}

.consistency-track i {
  background: rgba(159, 145, 255, 0.16);
  border-right-color: var(--violet);
}

.logic-key p,
.logic-key strong {
  font-size: 14px;
}

.media-side-note span,
.logic-key-index,
.page-status {
  font-size: 10px;
}

.logic-key strong {
  font-size: 14px;
}

.system-loop-inner > div > span {
  font-size: 10px;
}

.system-loop-inner > div > strong {
  font-size: 16px;
}

.system-loop-inner li {
  font-size: 13px;
}

.system-loop-inner li span {
  font-size: 10px;
}

.completion-visual {
  min-height: 720px;
  grid-template-rows: auto auto minmax(340px, 1fr) auto;
}

.completion-visual-toolbar,
.completion-summary {
  font-size: 11px;
}

.completion-visual-toolbar > span {
  display: grid;
  gap: 3px;
}

.completion-visual-toolbar > span strong {
  color: var(--paper-text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: none;
}

.completion-visual-toolbar > span small {
  color: var(--paper-muted);
  font-size: 10px;
  text-transform: uppercase;
}

.completion-stepper {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-line);
  list-style: none;
}

.completion-stepper li {
  position: relative;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  column-gap: 8px;
  align-items: center;
  min-width: 0;
  padding: 8px 8px 8px 0;
  color: var(--paper-muted);
}

.completion-stepper li + li {
  border-left: 1px solid var(--paper-line);
  padding-left: 12px;
}

.completion-stepper li::after {
  position: absolute;
  top: 50%;
  right: -5px;
  width: 8px;
  height: 8px;
  border-top: 1px solid var(--paper-line);
  border-right: 1px solid var(--paper-line);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.completion-stepper li:last-child::after {
  display: none;
}

.completion-stepper li > span {
  grid-row: 1 / span 2;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--paper-line);
  border-radius: 50%;
  font-family: "DM Mono", monospace;
  font-size: 10px;
}

.completion-stepper li strong,
.completion-stepper li small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.completion-stepper li strong {
  color: var(--paper-text);
  font-size: 14px;
  font-weight: 600;
}

.completion-stepper li small {
  font-size: 10px;
}

.completion-stepper li.is-active > span,
.completion-stepper li.is-complete > span {
  border-color: #697b12;
  background: var(--acid);
  color: var(--paper-text);
}

.completion-stepper li.is-active strong,
.completion-stepper li.is-complete strong {
  color: var(--paper-text);
}

.completion-stepper li.is-active::after {
  border-color: #697b12;
}

.completion-map {
  padding-top: 20px;
}

.completion-chart-meta,
.completion-chart-key {
  font-size: 11px;
}

.completion-map-note {
  max-width: 720px;
  margin: 0 0 10px;
  color: var(--paper-muted);
  font-size: 14px;
  line-height: 1.45;
}

.completion-map-note strong {
  color: var(--paper-text);
}

.completion-chart-host {
  min-height: 340px;
}

.completion-viz-labels .completion-viz-micro,
.completion-viz-map-label,
.completion-viz-interval-label,
.completion-viz-axis-tick text,
.completion-viz-axis-unit {
  font-size: 11px;
}

.completion-viz-phase {
  font-size: 13px;
}

.completion-viz-source-value {
  font-size: 14px;
}

.completion-viz-anchor-label {
  font-size: 11px;
}

.completion-viz-output-index {
  font-size: 10px;
}

.completion-chart text {
  font-size: 14px;
}

.completion-viz-labels .completion-viz-micro,
.completion-viz-map-label,
.completion-viz-interval-label,
.completion-viz-axis-tick text,
.completion-viz-axis-unit {
  font-size: 13px;
}

.completion-viz-phase {
  font-size: 15px;
}

.completion-viz-source-value {
  font-size: 17px;
}

.completion-viz-anchor-label {
  font-size: 14px;
}

.completion-viz-output-index {
  font-size: 12px;
}

.completion-chart[data-compact="true"] {
  min-width: 100%;
}

.completion-chart[data-compact="true"] .completion-viz-labels .completion-viz-micro,
.completion-chart[data-compact="true"] .completion-viz-map-label,
.completion-chart[data-compact="true"] .completion-viz-interval-label,
.completion-chart[data-compact="true"] .completion-viz-axis-tick text,
.completion-chart[data-compact="true"] .completion-viz-axis-unit {
  font-size: 16px;
}

.completion-chart[data-compact="true"] .completion-viz-phase {
  font-size: 18px;
}

.completion-chart[data-compact="true"] .completion-viz-source-value {
  font-size: 20px;
}

.completion-chart[data-compact="true"] .completion-viz-anchor-label {
  font-size: 17px;
}

.completion-summary strong {
  font-size: 15px;
}

.completion-output-stage .stage-toolbar {
  font-size: 12px;
}

.finishing-toolbar {
  min-height: 76px;
  font-size: 11px;
}

.finishing-toolbar > div:first-child {
  display: grid;
  gap: 3px;
}

.finishing-toolbar-kicker {
  color: var(--muted);
  font-size: 10px;
}

.finishing-toolbar-title {
  color: var(--text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  font-weight: 600;
  text-transform: none;
}

.finishing-toolbar-meta {
  font-size: 11px;
}

.finishing-study-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-bottom: 1px solid var(--line);
  background: var(--line);
}

.finishing-study-card {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 24px;
  gap: 12px;
  align-items: center;
  min-width: 0;
  min-height: 84px;
  padding: 14px 16px;
  border: 0;
  border-radius: 0;
  background: var(--surface);
  color: var(--muted);
  text-align: left;
  transition: background-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.finishing-study-card:hover,
.finishing-study-card:focus-visible {
  background: var(--surface-raised);
  color: var(--text);
}

.finishing-study-card.is-active {
  background: #202820;
  color: var(--text);
  box-shadow: inset 0 -3px 0 var(--acid);
}

.finishing-study-number {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--acid);
  font-family: "DM Mono", monospace;
  font-size: 11px;
}

.finishing-study-copy {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.finishing-study-copy strong {
  overflow: hidden;
  color: inherit;
  font-size: 17px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.finishing-study-copy small {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.finishing-study-arrow {
  color: var(--acid);
  font-size: 20px;
  text-align: right;
}

.finishing-stage {
  isolation: isolate;
}

.finishing-stage::before,
.finishing-stage::after {
  position: absolute;
  z-index: 2;
  content: "";
  pointer-events: none;
}

.finishing-tool[data-mode="detail"] .finishing-stage::before {
  inset: 12% 16%;
  border: 1px solid rgba(95, 225, 232, 0.48);
  box-shadow: 0 0 0 10px rgba(95, 225, 232, 0.04);
}

.finishing-tool[data-mode="detail"] .finishing-stage::after {
  top: 12%;
  bottom: 12%;
  left: 16%;
  width: 1px;
  background: var(--cyan);
  box-shadow: calc(68vw) 0 0 var(--cyan);
  opacity: 0.38;
}

.finishing-tool[data-mode="motion"] .finishing-stage::before {
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 23px, rgba(255, 194, 103, 0.13) 24px 25px);
  opacity: 0.5;
}

.finishing-tool[data-mode="motion"] .finishing-stage::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--amber);
  box-shadow: 0 0 24px rgba(255, 194, 103, 0.4);
  opacity: 0.32;
}

.finishing-label {
  font-size: 11px;
}

.finishing-divider i {
  width: 40px;
  height: 40px;
}

.finishing-tool[data-mode="motion"] .finishing-divider i {
  border-radius: 4px;
  border-color: var(--amber);
}

.cadence-rail {
  position: relative;
  display: block;
  min-height: 112px;
  padding: 14px 18px 16px;
}

.cadence-rail-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.cadence-rail-heading strong,
.cadence-rail-heading small,
.cadence-lane-label {
  font-family: "DM Mono", monospace;
  text-transform: uppercase;
}

.cadence-rail-heading strong {
  color: var(--text);
  font-size: 11px;
}

.cadence-rail-heading small {
  color: var(--muted);
  font-size: 10px;
}

.detail-lens-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(16, minmax(0, 1fr));
  gap: 4px;
  align-items: center;
  height: 42px;
  padding: 0 2px;
  border: 1px solid var(--line-strong);
  background: rgba(95, 225, 232, 0.05);
}

.detail-lens-track::before,
.detail-lens-track::after {
  position: absolute;
  top: 7px;
  bottom: 7px;
  width: 1px;
  background: var(--cyan);
  content: "";
  opacity: 0.7;
}

.detail-lens-track::before { left: 18%; }
.detail-lens-track::after { right: 18%; }

.detail-lens-focus {
  position: absolute;
  z-index: 2;
  top: 4px;
  bottom: 4px;
  left: 18%;
  width: 64%;
  border: 1px solid rgba(95, 225, 232, 0.7);
  pointer-events: none;
}

.detail-tick {
  height: calc(8px + var(--sample-index, 1) * 2px);
  background: var(--cyan);
  opacity: 0.72;
}

.motion-cadence-grid {
  display: grid;
  gap: 8px;
}

.cadence-lane {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.cadence-lane-label {
  color: var(--muted);
  font-size: 10px;
}

.cadence-lane-track {
  display: flex;
  gap: 4px;
  align-items: center;
  min-width: 0;
  height: 18px;
}

.cadence-lane-track .cadence-tick {
  flex: 1 1 0;
  height: 14px;
  min-width: 2px;
  background: #697369;
}

.cadence-lane[data-lane="result"] .cadence-tick {
  height: 18px;
  background: var(--cyan);
}

.cadence-lane[data-lane="result"] .cadence-tick.is-generated {
  background: var(--amber);
}

.cadence-lane[data-lane="result"] .cadence-tick.is-retained {
  opacity: 0.68;
}

.cadence-playhead {
  position: absolute;
  z-index: 4;
  top: 40px;
  bottom: 12px;
  left: 0;
  width: 2px;
  background: var(--acid);
  box-shadow: 0 0 12px rgba(216, 255, 89, 0.55);
  pointer-events: none;
  transform: translateX(-1px);
}

.finishing-footer p {
  font-size: 15px;
}

.finishing-footer a {
  font-size: 11px;
}

.site-footer {
  font-size: 10px;
}

@media (max-width: 820px) {
  .composition-model-legend {
    width: min(520px, calc(100% - 24px));
    top: 12px;
    right: 12px;
    gap: 5px;
    padding: 8px;
  }

  .composition-signal-readout {
    bottom: 12px;
    left: 12px;
  }

  .completion-visual {
    min-height: 700px;
  }

  .completion-stepper li {
    grid-template-columns: 26px minmax(0, 1fr);
    column-gap: 6px;
  }

  .completion-stepper li > span {
    width: 25px;
    height: 25px;
  }

  .completion-stepper li strong {
    font-size: 12px;
  }

  .completion-stepper li small {
    font-size: 10px;
  }

  .finishing-study-card {
    min-height: 78px;
    padding-inline: 12px;
  }

  .finishing-study-copy strong {
    font-size: 15px;
  }
}

@media (max-width: 580px) {
  .brand-copy strong {
    font-size: 13px;
  }

  .site-header nav {
    gap: 8px;
  }

  .stage-toolbar {
    font-size: 11px;
  }

  .composition-model-legend {
    top: 52px;
    right: 10px;
    width: calc(100% - 20px);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    padding: 7px;
  }

  .composition-model-legend-title {
    font-size: 10px;
  }

  .model-signal strong {
    font-size: 10px;
  }

  .model-signal small {
    font-size: 10px;
  }

  .model-signal {
    padding: 4px;
  }

  .model-signal i {
    height: 20px;
  }

  .composition-signal-readout {
    right: 10px;
    bottom: 10px;
    left: 10px;
    min-width: 0;
  }

  .stage-caption {
    display: none;
  }

  .completion-visual {
    min-height: 760px;
    grid-template-rows: auto auto minmax(340px, 1fr) auto;
  }

  .completion-stepper {
    gap: 2px;
  }

  .completion-stepper li {
    display: block;
    padding: 6px 4px;
  }

  .completion-stepper li + li {
    padding-left: 7px;
  }

  .completion-stepper li > span {
    margin-bottom: 5px;
  }

  .completion-stepper li strong,
  .completion-stepper li small {
    display: block;
  }

  .completion-stepper li strong {
    font-size: 11px;
  }

  .completion-stepper li small {
    font-size: 10px;
  }

  .completion-map-note {
    font-size: 13px;
  }

  .completion-summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding-block: 10px;
  }

  .completion-summary strong {
    max-width: none;
    text-align: left;
  }

  .model-segment strong {
    font-size: 13px;
  }

  .finishing-study-nav {
    grid-template-columns: 1fr;
  }

  .finishing-study-card {
    min-height: 72px;
  }

  .finishing-study-copy small {
    white-space: normal;
    line-height: 1.3;
  }

  .cadence-lane {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 8px;
  }

  .cadence-lane-label {
    font-size: 10px;
  }

  .cadence-rail-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }
}

@media (max-width: 359px) {
  .composition-model-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .composition-model-legend .model-signal small {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .composition-video,
  .model-segment,
  .stitch-window,
  .finishing-study-card,
  .completion-media video,
  .page-status {
    transition: none;
  }

  .completion-visual .completion-viz-piece-pulse {
    animation: none;
  }
}

/* Final comprehension tune: these rules intentionally come last so compact
   legacy overrides cannot shrink the meaning-bearing copy again. */
#completionVisual .completion-stepper li strong {
  font-size: 17px !important;
}

#completionVisual .completion-stepper li small {
  overflow: visible !important;
  font-size: 13px !important;
  line-height: 1.25 !important;
  text-overflow: clip !important;
  white-space: normal !important;
}

#completionVisual .completion-visual-toolbar > span strong {
  font-size: 19px !important;
}

#completionVisual .completion-visual-toolbar > span small {
  font-size: 12px !important;
  line-height: 1.35 !important;
  text-transform: none !important;
}

#completionVisual .completion-map-note {
  font-size: 17px !important;
  line-height: 1.5 !important;
}

#completionVisual .completion-chart-meta,
#completionVisual .completion-chart-key {
  font-size: 13px !important;
}

#completionVisual .completion-chart-host {
  height: clamp(390px, 38vw, 470px) !important;
  min-height: 0 !important;
  overflow: visible !important;
}

#completionVisual .completion-gap-summary {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 8px !important;
  margin: 12px 0 4px !important;
}

#completionVisual .completion-gap-summary span {
  display: flex !important;
  min-height: 42px !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 8px !important;
  padding: 8px 10px !important;
  border: 1px solid rgba(20, 125, 134, 0.35) !important;
  background: rgba(95, 225, 232, 0.08) !important;
  color: #147d86 !important;
  font-size: 14px !important;
}

#completionVisual .completion-gap-summary strong,
#completionVisual .completion-gap-summary b {
  font-size: 14px !important;
}

#completionVisual .completion-summary {
  font-size: 13px !important;
}

#completionVisual .completion-summary strong {
  font-size: 17px !important;
}

#completionChart .completion-chart {
  width: 100% !important;
  height: 100% !important;
}

#completionChart .completion-viz-stage-label {
  fill: var(--paper-text) !important;
  font-size: 17px !important;
  font-weight: 700 !important;
}

#completionChart .completion-viz-micro {
  fill: var(--paper-muted) !important;
  font-size: 14px !important;
  font-weight: 600 !important;
}

#completionChart .completion-viz-phase {
  fill: var(--paper-text) !important;
  font-size: 19px !important;
  font-weight: 700 !important;
}

#completionChart .completion-viz-source-value {
  fill: var(--paper-text) !important;
  font-size: 22px !important;
  font-weight: 700 !important;
}

#completionChart .completion-viz-source-caption {
  fill: #697b12 !important;
  font-size: 15px !important;
  font-weight: 700 !important;
}

#completionChart .completion-viz-handoff-label,
#completionChart .completion-viz-endpoint-label,
#completionChart .completion-viz-endpoint-value {
  font-size: 15px !important;
  font-weight: 700 !important;
}

#completionChart .completion-viz-anchor-label {
  fill: #697b12 !important;
  font-size: 17px !important;
  font-weight: 700 !important;
}

#completionChart .completion-viz-slot-index,
#completionChart .completion-viz-axis-tick text,
#completionChart .completion-viz-axis-unit {
  font-size: 16px !important;
  font-weight: 600 !important;
}

#completionChart .completion-viz-gap-label {
  font-size: 14px !important;
  font-weight: 700 !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-stage-label {
  font-size: 22px !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-micro {
  font-size: 20px !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-phase {
  font-size: 23px !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-source-value {
  font-size: 25px !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-source-caption,
#completionChart .completion-chart[data-compact="true"] .completion-viz-handoff-label,
#completionChart .completion-chart[data-compact="true"] .completion-viz-endpoint-label,
#completionChart .completion-chart[data-compact="true"] .completion-viz-endpoint-value,
#completionChart .completion-chart[data-compact="true"] .completion-viz-gap-label {
  font-size: 19px !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-anchor-label {
  font-size: 23px !important;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-slot-index,
#completionChart .completion-chart[data-compact="true"] .completion-viz-axis-tick text,
#completionChart .completion-chart[data-compact="true"] .completion-viz-axis-unit {
  font-size: 20px !important;
}

@media (max-width: 580px) {
  #completionVisual .completion-stepper li strong {
    font-size: 15px !important;
  }

  #completionVisual .completion-stepper li small {
    font-size: 12px !important;
  }

  #completionVisual .completion-map-note {
    font-size: 15px !important;
  }

  #completionVisual .completion-chart-meta,
  #completionVisual .completion-chart-key {
    font-size: 12px !important;
  }

  #completionVisual .completion-gap-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 6px !important;
  }

  #completionVisual .completion-gap-summary span,
  #completionVisual .completion-gap-summary strong,
  #completionVisual .completion-gap-summary b {
    font-size: 12px !important;
  }

  #completionVisual .completion-gap-summary span {
    min-height: 38px !important;
    padding-inline: 7px !important;
  }

  #completionVisual .completion-summary strong {
    font-size: 16px !important;
  }

  #completionChart .completion-viz-stage-label {
    font-size: 22px !important;
  }

  #completionChart .completion-viz-micro {
    font-size: 20px !important;
  }

  #completionChart .completion-viz-phase {
    font-size: 23px !important;
  }

  #completionChart .completion-viz-source-value {
    font-size: 25px !important;
  }

  #completionChart .completion-viz-source-caption,
  #completionChart .completion-viz-handoff-label,
  #completionChart .completion-viz-endpoint-label,
  #completionChart .completion-viz-endpoint-value,
  #completionChart .completion-viz-gap-label {
    font-size: 19px !important;
  }

  #completionChart .completion-viz-anchor-label {
    font-size: 23px !important;
  }

  #completionChart .completion-viz-slot-index,
  #completionChart .completion-viz-axis-tick text,
  #completionChart .completion-viz-axis-unit {
    font-size: 20px !important;
  }

  #completionVisual .completion-chart-host {
    height: 405px !important;
  }
}

@media (max-width: 359px) {
  #completionVisual .completion-stepper li small {
    font-size: 12px !important;
  }

  #completionVisual .completion-chart-host {
    height: 390px !important;
  }
}

/* Narrow timelines cannot carry the full stitch label inside a short window;
   keep the number visible and leave the full name available to assistive tech. */
@media (max-width: 580px) {
  .stitch-window {
    font-size: 0 !important;
    line-height: 1 !important;
  }

  .stitch-window::before {
    display: none !important;
  }

  .stitch-window::after {
    position: static !important;
    display: block !important;
    width: auto !important;
    height: auto !important;
    border-radius: 0 !important;
    background: transparent !important;
    content: attr(data-short) !important;
    font-family: "DM Mono", monospace !important;
    font-size: 11px !important;
    line-height: 1 !important;
    text-align: center !important;
    transform: none !important;
  }

  .system-loop-inner ol {
    overflow: visible !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0 !important;
  }

  .system-loop-inner li {
    min-height: 68px;
    padding: 12px 8px !important;
  }

  .system-loop-inner li:nth-child(n + 4) {
    border-top: 1px solid var(--paper-line);
  }

  .composition-model-legend-title,
  .model-signal small {
    font-size: 12px !important;
  }
}

@media (max-width: 359px) {
  .system-loop-inner ol {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .system-loop-inner li:nth-child(n + 3) {
    border-top: 1px solid var(--paper-line);
  }
}

@media (min-width: 581px) and (max-width: 767px) {
  .system-loop-inner ol {
    overflow: visible !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 0 !important;
  }

  .system-loop-inner li {
    min-height: 68px;
    padding: 12px 8px !important;
  }

  .system-loop-inner li:nth-child(n + 4) {
    border-top: 1px solid var(--paper-line);
  }
}

.story-progress-steps button:disabled,
.finishing-study-card:disabled {
  cursor: wait;
  opacity: 0.68;
}

#completionChart .completion-viz-handoff-label,
#completionChart .completion-viz-source-caption {
  fill: #435407 !important;
}

#completionChart .completion-viz-endpoint-label {
  fill: var(--paper-text) !important;
}

/* Readability pass: keep operational labels legible without enlarging
   secondary metadata or changing the established section proportions. */
.section-index span {
  font-size: 14px !important;
}

.section-index small,
.section-kicker,
.system-definition span {
  font-size: 12px !important;
}

.stage-toolbar,
.prototype-label,
.media-status {
  font-size: 13px !important;
}

.media-side-note span,
.logic-key-index,
.system-loop-inner > div > span,
.system-loop-inner li span,
.finishing-study-number {
  font-size: 12px !important;
}

.story-progress-heading span {
  font-size: 11px !important;
}

.story-progress-steps button span {
  font-size: 12px !important;
}

.story-progress-steps button strong {
  font-size: 15px !important;
}

.finishing-study-copy strong {
  font-size: 16px !important;
}

@media (min-width: 360px) {
  .site-header nav a {
    font-size: 12px !important;
  }
}

@media (max-width: 580px) {
  .stage-toolbar,
  .prototype-label,
  .media-status {
    font-size: 12px !important;
  }

  .story-progress-steps button {
    gap: 2px !important;
    padding-inline: 1px !important;
  }

  .story-progress-steps button strong {
    font-size: 13px !important;
  }

  .story-progress-steps button span {
    font-size: 11px !important;
  }

  .system-definition p,
  .section-support {
    font-size: 16px !important;
  }
}

@media (max-width: 359px) {
  .story-progress-steps button strong {
    font-size: 12px !important;
  }
}

/* Final typography and legend fit pass. Keep technical metadata mono, but let
   the reading layer use a warmer, more deliberate system sans than Arial. */
:root {
  font-family: "Bahnschrift", "Aptos", "Segoe UI Variable", "Segoe UI", sans-serif;
}

@font-face {
  font-family: "DM Mono";
  src: local("Cascadia Mono"), local("Cascadia Mono SemiLight"), local("SFMono-Regular"), local("Menlo"), local("Monaco");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@media (min-width: 821px) {
  .composition-model-legend {
    width: min(720px, calc(100% - 32px)) !important;
  }

  .composition-model-legend .model-signal {
    min-height: 48px;
    padding-inline: 8px;
  }

  .composition-model-legend .model-signal strong {
    font-size: 12px;
  }

  .composition-model-legend .model-signal small {
    font-size: 10px;
  }
}

/* Signal Instrument iteration: graphite and paper carry structure while each
   bright color is reserved for one technical role. */
:root {
  --signal-observed: #d8ff59;
  --signal-generated: #5fe1e8;
  --signal-boundary: #ffc267;
  --signal-check: #ff8069;
  --signal-consistency: #9f91ff;
  --paper: #eef0ea;
  --paper-line: #c3c8c1;
}

.story-progress-steps li.is-complete:not(.is-active) button {
  color: var(--muted);
}

.story-progress-steps li.is-active button {
  color: var(--acid);
}

.finishing-study-card.is-active {
  background: #1a1d1a;
}

.completion-layout {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  align-items: stretch;
}

#completionVisual {
  height: 468px;
  min-height: 468px !important;
  grid-template-rows: 86px 5px minmax(0, 1fr) !important;
  border-color: var(--paper-text);
}

#completionVisual .completion-visual-toolbar {
  display: grid !important;
  min-height: 86px;
  grid-template-columns: minmax(170px, 0.8fr) minmax(230px, 1.2fr) 40px;
  gap: 22px;
  padding: 12px 0;
}

.completion-equation,
.completion-phase-readout {
  display: grid;
  min-width: 0;
  align-content: center;
  gap: 4px;
}

#completionVisual .completion-equation small,
#completionVisual .completion-phase-readout small {
  color: var(--paper-muted);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 12px !important;
  line-height: 1.2;
  text-transform: uppercase !important;
}

#completionVisual .completion-equation strong {
  color: var(--paper-text);
  font-size: 24px !important;
  font-weight: 650;
  line-height: 1.1;
}

.completion-equation b {
  color: #147d86;
  font-weight: 500;
}

.completion-phase-readout {
  padding-left: 20px;
  border-left: 1px solid var(--paper-line);
}

#completionVisual .completion-phase-readout strong {
  overflow: hidden;
  color: var(--paper-text);
  font-size: 18px !important;
  font-weight: 600;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.completion-phase-meter {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 5px;
  background: transparent;
}

.completion-phase-meter i {
  height: 5px;
  background: var(--paper-line);
  transition: background-color 160ms ease, opacity 160ms ease;
}

.completion-phase-meter i.is-complete {
  background: var(--paper-text);
  opacity: 0.56;
}

.completion-phase-meter i.is-active {
  background: var(--acid);
  box-shadow: inset 0 0 0 1px #435407;
  opacity: 1;
}

#completionVisual .completion-map {
  display: grid;
  min-height: 0;
  align-items: center;
  padding: 18px 0 10px;
}

#completionVisual .completion-chart-host {
  width: 100%;
  height: 340px !important;
  min-height: 0 !important;
  overflow: hidden !important;
}

#completionChart .completion-chart {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

#completionChart text,
.completion-visual-toolbar,
.completion-phase-meter {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  letter-spacing: 0;
}

#completionChart .completion-viz-lane-label {
  fill: var(--paper-text);
  font-size: 14px !important;
  font-weight: 750;
}

#completionChart .completion-viz-lane-value {
  fill: var(--paper-muted);
  font-size: 14px !important;
  font-weight: 650;
}

#completionChart .completion-viz-output-value.is-ready {
  fill: var(--paper-text);
}

#completionChart .completion-viz-source-base,
#completionChart .completion-viz-rail-base {
  fill: rgba(21, 24, 21, 0.03);
  stroke: var(--paper-text);
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-source-slot,
#completionChart .completion-viz-slot {
  fill: rgba(21, 24, 21, 0.035);
  stroke: #a8afa6;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-anchor-guide,
#completionChart .completion-viz-anchor-flow {
  fill: none;
  pointer-events: none;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-anchor-guide {
  stroke: rgba(67, 84, 7, 0.2);
  stroke-width: 1.25;
}

#completionChart .completion-viz-anchor-flow {
  stroke: #78920f;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#completionChart .completion-viz-anchor-stream {
  fill: none;
  stroke: rgba(120, 146, 15, 0.64);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 0.035 0.11;
  animation: completion-anchor-stream 1.4s linear infinite;
  pointer-events: none;
  vector-effect: non-scaling-stroke;
}

@keyframes completion-anchor-stream {
  to { stroke-dashoffset: -0.145; }
}

@media (prefers-reduced-motion: reduce) {
  #completionChart .completion-viz-anchor-stream { animation: none; }
}

#completionChart .completion-viz-anchor-port {
  fill: var(--signal-observed);
  stroke: #435407;
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-anchor-token rect {
  fill: var(--signal-observed);
  stroke: #435407;
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-anchor-token text {
  fill: var(--paper-text);
  font-size: 12px !important;
  font-weight: 800;
  pointer-events: none;
}

#completionChart .completion-chart[data-compact="true"] .completion-viz-anchor-token text {
  font-size: 9px !important;
}

#completionChart .completion-viz-generated-slot {
  fill: var(--signal-generated);
  stroke: #147d86;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-axis > line,
#completionChart .completion-viz-axis-tick line {
  stroke: rgba(21, 24, 21, 0.52);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-axis-tick text {
  fill: var(--paper-muted);
  font-size: 12px !important;
  font-weight: 600;
}

#completionChart .completion-viz-check-sweep {
  fill: rgba(255, 128, 105, 0.16);
}

#completionChart .completion-viz-check-cursor {
  stroke: var(--signal-check);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-check-label {
  fill: #a53a2c;
  font-size: 12px !important;
  font-weight: 800;
}

#completionChart .completion-viz-ready-mark circle {
  fill: var(--paper);
  stroke: var(--paper-text);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-ready-mark path {
  fill: none;
  stroke: var(--paper-text);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-legend-item line {
  stroke-width: 5;
  stroke-linecap: square;
  vector-effect: non-scaling-stroke;
}

#completionChart .completion-viz-legend-item.is-observed line {
  stroke: #78920f;
}

#completionChart .completion-viz-legend-item.is-generated line {
  stroke: #147d86;
}

#completionChart .completion-viz-legend-item.is-check line {
  stroke: #a53a2c;
  stroke-width: 2;
}

#completionChart .completion-viz-legend-label {
  fill: var(--paper-muted);
  font-size: 11px !important;
  font-weight: 650;
}

.completion-output-stage {
  min-height: 468px;
  height: 468px;
  transition: border-color 220ms ease, background-color 220ms ease;
}

.completion-output-gate {
  position: absolute;
  z-index: 3;
  display: grid;
  min-width: 220px;
  gap: 5px;
  padding: 16px 18px;
  border-top: 1px solid rgba(243, 244, 237, 0.34);
  border-bottom: 1px solid rgba(243, 244, 237, 0.34);
  background: rgba(5, 6, 5, 0.82);
  color: var(--text);
  text-align: center;
  transition: opacity 220ms ease, transform 220ms ease;
}

.completion-output-gate small {
  color: var(--muted);
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
}

.completion-output-gate strong {
  font-size: 21px;
  font-weight: 600;
}

.completion-output-stage[data-state="loading"] .completion-media video {
  filter: grayscale(1) brightness(0.46);
  opacity: 0.32;
}

.completion-output-stage[data-state="ready"] {
  border-color: rgba(95, 225, 232, 0.58);
}

.completion-output-stage[data-state="ready"] .completion-media video {
  filter: none;
  opacity: 1;
}

.completion-output-stage[data-state="ready"] .completion-output-gate,
.completion-output-stage[data-state="error"] .completion-output-gate {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}

@media (max-width: 1080px) {
  .completion-layout {
    grid-template-columns: minmax(0, 1fr) minmax(270px, 320px);
  }
}

@media (max-width: 820px) {
  .completion-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .completion-output-stage {
    width: min(100%, 420px);
    min-height: 500px;
    height: 500px;
    justify-self: center;
  }
}

@media (max-width: 580px) {
  :root {
    --header-height: 58px;
  }

  .site-header nav {
    display: flex;
    gap: 0;
  }

  .site-header nav .evidence-link {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    padding: 0 9px;
    font-size: 11px !important;
  }

  .completion-section.story-section {
    padding-top: 46px;
  }

  .completion-section .section-intro {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px 14px;
  }

  .completion-section .section-index {
    display: block;
    margin: 0;
  }

  .completion-section .section-index small {
    display: none;
  }

  .completion-section h2 {
    font-size: 31px;
    line-height: 1.08;
  }

  .completion-section .section-support {
    grid-column: 1 / -1;
    margin-top: 4px;
    font-size: 16px !important;
    line-height: 1.5;
  }

  .completion-layout {
    margin-top: 24px;
  }

  #completionVisual {
    height: auto;
    min-height: 430px !important;
    grid-template-rows: 104px 5px minmax(0, 1fr) !important;
  }

  #completionVisual .completion-visual-toolbar {
    min-height: 104px;
    grid-template-columns: minmax(0, 1fr) 38px;
    gap: 10px 12px;
    padding-block: 12px;
  }

  .completion-equation {
    gap: 2px;
  }

  #completionVisual .completion-equation strong {
    font-size: 22px !important;
  }

  .completion-phase-readout {
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: 58px minmax(0, 1fr);
    align-items: center;
    padding: 8px 0 0;
    border-top: 1px solid var(--paper-line);
    border-left: 0;
  }

  #completionVisual .completion-phase-readout strong {
    font-size: 16px !important;
  }

  #completionVisual .completion-map {
    padding-top: 6px;
  }

  #completionVisual .completion-chart-host {
    height: 310px !important;
  }

  #completionChart .completion-viz-lane-label,
  #completionChart .completion-viz-lane-value {
    font-size: 12px !important;
  }

  #completionChart .completion-viz-legend-label,
  #completionChart .completion-viz-axis-tick text,
  #completionChart .completion-viz-check-label {
    font-size: 10px !important;
  }

  .completion-output-stage {
    width: 100%;
    min-height: 470px;
    height: 470px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .completion-phase-meter i,
  .completion-output-stage,
  .completion-output-gate,
  .completion-media video {
    transition: none;
  }
}

@media (max-width: 359px) {
  .site-header nav {
    display: none;
  }
}

/* Final finishing proof overrides. Keep these last because this stylesheet
   still contains historical cascade layers for the earlier demo layout. */
.finishing-stage {
  height: min(42svh, 440px);
  min-height: 360px;
}

.finishing-stage {
  background: #050605;
}

.finishing-media-frame {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #050605;
}

.finishing-media-frame > .finishing-base,
.finishing-media-frame > .finishing-reveal,
.finishing-media-frame > .finishing-reveal video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

.finishing-media-frame > .finishing-base {
  object-fit: contain;
}

.finishing-media-frame > .finishing-reveal {
  border: 0;
  clip-path: inset(0 0 0 var(--split));
}

.finishing-media-frame > .finishing-reveal video {
  max-width: none;
  object-fit: contain;
}

.finishing-detail-region,
.finishing-detail-inspection {
  --detail-signal: var(--cyan);
}

.finishing-detail-region[hidden],
.finishing-detail-inspection[hidden] {
  display: none !important;
}

.finishing-detail-region {
  position: absolute;
  z-index: 3;
  border: 1px solid var(--detail-signal);
  box-shadow: 0 0 0 5px rgba(95, 225, 232, 0.08), 0 0 18px rgba(95, 225, 232, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease;
}

.finishing-detail-region[data-ready="true"] {
  opacity: 1;
}

.finishing-detail-region strong,
.finishing-detail-region small {
  position: absolute;
  padding: 4px 6px;
  background: rgba(5, 6, 5, 0.9);
  font-family: "DM Mono", "Consolas", monospace;
  font-weight: 500;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.finishing-detail-region strong {
  bottom: 100%;
  left: -1px;
  color: var(--text);
  font-size: 12px;
}

.finishing-detail-region small {
  top: 100%;
  right: -1px;
  color: var(--detail-signal);
  font-size: 11px;
}

.cadence-rail[hidden] {
  display: none !important;
}

.finishing-tool[data-mode="detail"] .finishing-stage::before,
.finishing-tool[data-mode="detail"] .finishing-stage::after,
.finishing-tool[data-mode="motion"] .finishing-stage::before,
.finishing-tool[data-mode="motion"] .finishing-stage::after {
  content: none;
}

.finishing-tool[data-mode="motion"] .finishing-stage {
  display: grid;
  grid-template-columns: none;
  grid-template-rows: none;
  gap: 0;
  height: min(42svh, 440px);
  min-height: 360px;
  background: #050605;
  cursor: ew-resize;
  touch-action: none;
}

.finishing-tool[data-mode="motion"] .finishing-divider {
  top: 0;
  bottom: 0;
  left: var(--split);
  width: 1px;
  height: auto;
  background: var(--text);
  box-shadow: none;
  opacity: 1;
}

.finishing-tool[data-mode="motion"] .finishing-divider i {
  display: block;
}

.finishing-proof-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  border-top: 1px solid var(--line);
  background: #101410;
}

.finishing-proof-copy {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.finishing-proof-kicker,
.finishing-proof-readout,
.motion-cadence-axis-label,
.motion-cadence-axis-track,
.cadence-lane-label {
  font-family: "DM Mono", "Consolas", monospace;
  text-transform: uppercase;
}

.finishing-proof-kicker {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.finishing-proof-copy strong {
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
}

.finishing-proof-copy small {
  max-width: 760px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.finishing-proof-readout {
  display: grid;
  flex: 0 0 auto;
  justify-items: end;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.finishing-proof-readout strong {
  color: var(--acid);
  font-size: 14px;
  font-weight: 500;
}

.finishing-detail-inspection {
  --detail-region-ratio: 2 / 1;
  display: grid;
  gap: 18px;
  padding: 22px 20px 24px;
  border-top: 1px solid var(--line);
  background: #080a08;
}

.finishing-detail-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 6px 20px;
}

.finishing-detail-kicker {
  grid-column: 1 / -1;
  color: var(--detail-signal);
  font-family: "DM Mono", "Consolas", monospace;
  font-size: 12px;
  text-transform: uppercase;
}

.finishing-detail-heading > div {
  display: grid;
  gap: 4px;
}

.finishing-detail-heading strong {
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
}

.finishing-detail-heading small {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.finishing-detail-time {
  color: var(--acid);
  font-family: "DM Mono", "Consolas", monospace;
  font-size: 13px;
  text-transform: uppercase;
  white-space: nowrap;
}

.finishing-detail-loading {
  display: none;
  grid-column: 1;
  grid-row: 2;
  min-height: 120px;
  border-top: 1px solid rgba(176, 186, 176, 0.2);
  color: var(--muted);
  font-family: "DM Mono", "Consolas", monospace;
  font-size: 13px;
  place-items: center;
  text-transform: uppercase;
}

.finishing-detail-inspection[data-ready="false"] .finishing-detail-loading {
  display: grid;
}

.finishing-detail-inspection[data-ready="false"] .finishing-detail-crops {
  visibility: hidden;
}

.finishing-detail-crops {
  display: grid;
  grid-column: 1;
  grid-row: 2;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.finishing-detail-crop {
  min-width: 0;
  margin: 0;
}

.finishing-detail-crop figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 0 0 8px;
  font-family: "DM Mono", "Consolas", monospace;
  text-transform: uppercase;
}

.finishing-detail-crop figcaption strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.finishing-detail-crop figcaption span {
  color: var(--muted);
  font-size: 12px;
}

.finishing-detail-crop canvas {
  display: block;
  width: 100%;
  aspect-ratio: var(--detail-region-ratio);
  border: 1px solid rgba(176, 186, 176, 0.24);
  border-top: 2px solid var(--muted);
  background: #030403;
}

.finishing-detail-crop-result canvas {
  border-top-color: var(--acid);
}

.motion-cadence-axis,
.motion-cadence-grid {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 12px;
}

.motion-cadence-axis {
  align-items: center;
  margin-bottom: 8px;
}

.motion-cadence-axis-label {
  color: var(--muted);
  font-size: 11px;
}

.motion-cadence-axis-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
}

.motion-cadence-axis-track [data-position="middle"] {
  color: var(--acid);
}

.motion-cadence-grid {
  position: relative;
}

.motion-cadence-labels,
.motion-cadence-tracks {
  display: grid;
  grid-template-rows: repeat(2, minmax(28px, auto));
  gap: 8px;
  align-items: center;
}

.motion-cadence-tracks {
  position: relative;
  min-width: 0;
}

.motion-cadence-tracks > .cadence-lane {
  display: block;
  min-width: 0;
  grid-template-columns: none;
  gap: 0;
}

.motion-cadence-labels > .cadence-lane-label {
  display: grid;
  min-width: 0;
  gap: 2px;
  color: var(--muted);
}

.motion-cadence-labels .cadence-lane-label strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.motion-cadence-labels .cadence-lane-label small {
  overflow: hidden;
  color: var(--muted);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 12px;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.motion-cadence-tracks .cadence-lane-track {
  display: flex;
  min-width: 0;
  height: 20px;
  gap: 4px;
  align-items: center;
  padding: 3px 0;
  border-top: 1px solid rgba(176, 186, 176, 0.22);
  border-bottom: 1px solid rgba(176, 186, 176, 0.22);
}

.motion-cadence-tracks .cadence-lane-track .cadence-tick {
  flex: 1 1 0;
  min-width: 2px;
  height: 12px;
  background: #697369;
  opacity: 0.24;
  transition: opacity 100ms linear;
}

.motion-cadence-tracks .cadence-lane[data-lane="source"] .cadence-tick {
  height: 12px;
  background: var(--text);
}

.motion-cadence-tracks .cadence-lane[data-lane="result"] .cadence-tick {
  height: 16px;
  background: var(--cyan);
}

.motion-cadence-tracks .cadence-lane[data-lane="result"] .cadence-tick.is-generated {
  background: var(--amber);
}

.motion-cadence-tracks .cadence-lane[data-lane="result"] .cadence-tick.is-retained {
  background: var(--cyan);
}

.motion-cadence-tracks > .cadence-playhead {
  position: absolute;
  z-index: 4;
  top: -6px;
  bottom: -6px;
  left: 0;
  width: 2px;
  background: var(--acid);
  box-shadow: 0 0 12px rgba(216, 255, 89, 0.68);
  pointer-events: none;
  transform: translateX(-1px);
}

@media (max-width: 700px) {
  .finishing-tool[data-mode="detail"] .finishing-stage,
  .finishing-tool[data-mode="motion"] .finishing-stage {
    height: min(58svh, 520px);
    min-height: 360px;
  }

  .finishing-proof-strip {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .finishing-proof-readout {
    justify-items: start;
  }

  .finishing-detail-inspection {
    padding: 18px 16px 20px;
  }

  .finishing-detail-heading {
    grid-template-columns: 1fr;
  }

  .finishing-detail-kicker {
    grid-column: auto;
  }

  .finishing-detail-time {
    white-space: normal;
  }

  .motion-cadence-axis,
  .motion-cadence-grid {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 8px;
  }

  .motion-cadence-axis-track,
  .motion-cadence-axis-label {
    font-size: 10px;
  }

  .motion-cadence-labels .cadence-lane-label strong {
    font-size: 12px;
  }

  .motion-cadence-labels .cadence-lane-label small {
    font-size: 11px;
  }
}

@media (max-width: 580px) {
  .finishing-detail-crops {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}