:root {
  --bg: #07111f;
  --bg-2: #0b1828;
  --panel: #102235;
  --text: #f6fbff;
  --muted: #b5c7d8;
  --soft: #7e95aa;
  --line: rgba(155, 216, 255, 0.22);
  --blue: #55b7ff;
  --blue-2: #9bd8ff;
  --focus: #d7f36b;
  --max: 1160px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 12%, rgba(85, 183, 255, 0.15), transparent 26rem),
    linear-gradient(180deg, #07111f 0%, #091421 46%, #060b12 100%);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

img,
svg {
  max-width: 100%;
  display: block;
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-150%);
  background: var(--text);
  color: var(--bg);
  padding: 0.75rem 1rem;
  border-radius: 6px;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 17, 31, 0.82);
  border-bottom: 1px solid rgba(155, 216, 255, 0.14);
  backdrop-filter: blur(18px);
  transition: padding 180ms ease, background 180ms ease;
}

.site-header.is-compact {
  background: rgba(6, 12, 21, 0.94);
}

.nav-shell {
  width: min(var(--max), calc(100% - 40px));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
}

.site-header.is-compact .nav-shell {
  min-height: 62px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: 0;
}

.brand img {
  width: 36px;
  height: 36px;
}

.site-menu {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-menu a {
  padding: 0.5rem 0;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  place-items: center;
}

.menu-toggle span:not(.sr-only) {
  width: 20px;
  height: 2px;
  background: currentColor;
  display: block;
  margin: 3px auto;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.8rem 1.15rem;
  border-radius: 6px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button-primary {
  background: var(--blue);
  color: #04101d;
}

.button-secondary {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.button-small {
  min-height: 42px;
  padding: 0.65rem 0.95rem;
  font-size: 0.9rem;
}

.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 10vw, 126px) 0;
}

.hero {
  min-height: auto;
  display: flex;
  align-items: stretch;
  padding-top: clamp(36px, 4vw, 58px);
  padding-bottom: clamp(20px, 3vw, 44px);
}

.hero-grid {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.eyebrow {
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  line-height: 1.03;
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(2.7rem, 5.6vw, 5.2rem);
  max-width: 820px;
}

h2 {
  font-size: clamp(2.1rem, 4.6vw, 4.6rem);
  max-width: 880px;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.hero-text,
.section-head p + h2,
.about-copy,
.status-inner p {
  color: var(--muted);
}

.hero-text {
  margin: 1.5rem 0 0;
  font-size: clamp(1.08rem, 1.7vw, 1.35rem);
  max-width: 700px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.flow-visual {
  position: relative;
  min-height: 370px;
  border-left: 1px solid var(--line);
  padding-left: clamp(1rem, 3vw, 2rem);
}

.flow-visual svg {
  width: 100%;
  max-height: 360px;
  height: auto;
  filter: drop-shadow(0 26px 48px rgba(0, 0, 0, 0.24));
}

.flow-spine {
  stroke: url(#flowLine);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 10 14;
}

.flow-step circle {
  fill: #0c1b2b;
  stroke: rgba(155, 216, 255, 0.78);
  stroke-width: 2;
}

.flow-step.model circle {
  fill: rgba(85, 183, 255, 0.18);
  stroke: var(--blue);
}

.flow-step text {
  fill: var(--text);
  font-size: 15px;
  font-weight: 700;
  text-anchor: middle;
}

.flow-step .flow-label {
  fill: var(--muted);
  font-size: 14px;
}

.boundary {
  fill: rgba(85, 183, 255, 0.05);
  stroke: rgba(155, 216, 255, 0.28);
  stroke-width: 2;
  stroke-dasharray: 8 10;
}

.boundary-label {
  fill: var(--soft);
  font-size: 14px;
  text-anchor: middle;
}

.trust-strip {
  border-block: 1px solid rgba(155, 216, 255, 0.16);
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(155, 216, 255, 0.12);
}

.trust-strip p {
  margin: 0;
  padding: 1.1rem clamp(1rem, 3vw, 2rem);
  background: rgba(7, 17, 31, 0.92);
  color: var(--muted);
  text-align: center;
}

.section-head {
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.capability-grid,
.use-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.use-grid {
  grid-template-columns: repeat(4, 1fr);
}

.capability,
.use-case {
  min-height: 250px;
  padding: clamp(1.15rem, 2.6vw, 2rem);
  border: 1px solid rgba(155, 216, 255, 0.15);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.capability svg {
  width: 74px;
  height: 74px;
  margin-bottom: 1.5rem;
}

.capability svg path {
  stroke: var(--blue-2);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.capability svg circle {
  fill: rgba(85, 183, 255, 0.15);
  stroke: var(--blue);
  stroke-width: 4;
}

.capability p,
.use-case p,
.principles-list p,
.qualification {
  color: var(--muted);
}

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(155, 216, 255, 0.18);
}

.process-list li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  align-items: center;
  min-height: 84px;
  border-bottom: 1px solid rgba(155, 216, 255, 0.18);
}

.process-list span {
  color: var(--blue);
  font-weight: 800;
}

.process-list p {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.qualification {
  margin: 1.5rem 0 0;
  font-size: 1.05rem;
}

.editorial {
  border-top: 1px solid rgba(155, 216, 255, 0.16);
}

.principles-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: clamp(2rem, 7vw, 6rem);
  row-gap: 2rem;
}

.principles-list article {
  padding-top: 1.2rem;
  border-top: 1px solid rgba(155, 216, 255, 0.2);
}

.status-band {
  width: 100%;
  max-width: none;
  background:
    linear-gradient(90deg, rgba(85, 183, 255, 0.11), transparent 42%),
    #091521;
  border-block: 1px solid rgba(155, 216, 255, 0.16);
}

.status-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.status-inner p {
  max-width: 760px;
  font-size: 1.15rem;
}

.about {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 7vw, 6rem);
}

.about .section-head {
  margin-bottom: 0;
}

.about-copy {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.final-cta {
  text-align: center;
}

.final-cta-inner {
  display: grid;
  place-items: center;
}

.final-cta .hero-actions {
  justify-content: center;
}

.site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  border-top: 1px solid rgba(155, 216, 255, 0.16);
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.4rem;
  color: var(--soft);
  font-size: 0.92rem;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

.page-hero {
  padding-top: clamp(56px, 8vw, 110px);
}

.disclosure,
.warning,
.rule-note {
  border-left: 3px solid var(--blue);
  color: var(--muted);
  background: rgba(85, 183, 255, 0.08);
  padding: 0.8rem 1rem;
  margin: 1rem 0;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.choice-row button,
.check-pill {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.7rem 0.9rem;
  font: inherit;
  cursor: pointer;
}

.choice-row button.is-selected,
.check-pill:has(input:checked) {
  border-color: var(--blue);
  background: rgba(85, 183, 255, 0.18);
}

.check-pill input {
  margin-right: 0.45rem;
}

body[data-persona="software"] [data-service="software"],
body[data-persona="automation"] [data-service="automation"],
body[data-persona="ai"] [data-service="ai"],
body[data-persona="healthcare"] [data-service="healthcare"],
body[data-persona="architecture"] [data-service="architecture"],
body[data-persona="c12"] #products {
  border-color: rgba(85, 183, 255, 0.55);
  background: rgba(85, 183, 255, 0.08);
}

.floating-control {
  position: fixed;
  z-index: 70;
  right: 18px;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(7, 17, 31, 0.92);
  color: var(--text);
  padding: 0.55rem 0.75rem;
  font-weight: 700;
}

.no-black-box-toggle {
  bottom: 72px;
}

.inspect-toggle {
  bottom: 18px;
}

.rule-note {
  display: none;
}

.show-rules .rule-note {
  display: block;
}

.command-dialog[hidden],
.inspector-panel[hidden] {
  display: none;
}

.command-dialog {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: grid;
  place-items: start center;
  padding-top: 12vh;
  background: rgba(3, 8, 15, 0.68);
}

.command-panel,
.inspector-panel {
  width: min(720px, calc(100% - 32px));
  background: #081321;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

.command-panel {
  padding: 1rem;
}

.command-panel h2 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}

.command-panel input {
  width: 100%;
  min-height: 48px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 0 0.9rem;
  font: inherit;
}

.command-list {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.8rem;
}

.command-list button {
  text-align: left;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  padding: 0.75rem;
  font: inherit;
}

.command-list button[aria-selected="true"] {
  background: rgba(85, 183, 255, 0.18);
}

.inspector-panel {
  position: fixed;
  z-index: 88;
  right: 18px;
  bottom: 122px;
  max-height: min(720px, calc(100vh - 150px));
  overflow: auto;
  padding: 1rem;
}

.inspector-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.inspector-head h2,
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 4.2rem);
}

.lab-intro {
  padding-top: clamp(1.4rem, 3vw, 2.5rem);
  padding-bottom: clamp(1rem, 2vw, 1.75rem);
}

.lab-intro h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.lab-intro .hero-text {
  margin-top: 0.8rem;
  max-width: 760px;
}

dl {
  display: grid;
  grid-template-columns: minmax(140px, 0.35fr) 1fr;
  gap: 0.55rem 1rem;
}

dt {
  color: var(--blue-2);
  font-weight: 700;
}

dd {
  margin: 0;
  color: var(--muted);
}

.lab-sequence {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
  background: rgba(155, 216, 255, 0.12);
}

.lab-sequence li {
  background: rgba(7, 17, 31, 0.92);
  padding: 1rem;
  color: var(--muted);
}

.lab-tool {
  border-top: 1px solid rgba(155, 216, 255, 0.16);
}

.lab-application {
  padding-top: 0;
}

.lab-app-shell {
  display: grid;
  gap: 0.75rem;
}

.lab-launcher {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.45rem;
  padding: 0.45rem;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.lab-launcher button {
  min-height: 40px;
  border: 1px solid rgba(155, 216, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.45rem 0.55rem;
  font: inherit;
  font-weight: 800;
}

.lab-launcher button[aria-selected="true"],
.lab-launcher button.is-active {
  border-color: var(--blue);
  background: rgba(85, 183, 255, 0.16);
}

.active-lab-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 0.8rem;
  align-items: baseline;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  background: rgba(2, 8, 16, 0.24);
}

.active-lab-summary .eyebrow {
  margin: 0;
}

.active-lab-summary h2 {
  margin: 0;
  font-size: 1.05rem;
}

.active-lab-summary p:last-child {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
}

.lab-panels {
  min-width: 0;
}

.lab-panel[hidden] {
  display: none !important;
}

.simple-lab-panel {
  height: min(760px, calc(100dvh - 220px));
  min-height: 540px;
  overflow: auto;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(2, 8, 16, 0.24);
  padding: clamp(0.85rem, 2vw, 1.25rem);
}

.simple-lab-panel h2 {
  font-size: clamp(1.35rem, 2vw, 1.7rem);
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: start;
}

.tool-form,
.result-panel {
  min-width: 0;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: clamp(1rem, 2.4vw, 1.5rem);
}

.tool-output {
  min-width: 0;
  display: grid;
  gap: 1rem;
}

.tool-form {
  display: grid;
  gap: 0.9rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

.checkbox {
  display: flex;
  align-items: center;
}

.architecture-map {
  position: relative;
  min-height: 330px;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(2, 8, 16, 0.32);
  max-width: 100%;
}

.architecture-map svg {
  width: 100%;
  height: auto;
}

.arch-lines line {
  stroke: rgba(85, 183, 255, 0.5);
  stroke-width: 2;
  stroke-dasharray: 8 8;
}

.arch-node-layer {
  position: absolute;
  inset: 0;
}

.svg-node {
  position: absolute;
  transform: translate(-50%, -50%);
  display: grid;
  gap: 0.2rem;
  place-items: center;
  width: 142px;
  min-height: 52px;
  border: 1px solid rgba(155, 216, 255, 0.6);
  border-radius: 8px;
  background: #0c1b2b;
  color: var(--text);
  padding: 0.45rem 0.5rem;
  font-size: 0.76rem;
  line-height: 1.15;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.svg-node small {
  color: var(--blue-2);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.node-baseline {
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(155, 216, 255, 0.32);
}

.node-industry,
.node-problem,
.node-organization {
  border-color: rgba(85, 183, 255, 0.82);
  box-shadow: 0 0 0 1px rgba(85, 183, 255, 0.12);
}

.node-current-system,
.node-manual-step {
  border-style: dashed;
  border-color: rgba(255, 210, 120, 0.78);
  background: rgba(255, 210, 120, 0.08);
}

.node-safeguard {
  border-color: rgba(120, 221, 185, 0.72);
}

.node-human-control {
  border-color: rgba(235, 188, 255, 0.72);
}

.node-evidence {
  border-color: rgba(161, 226, 255, 0.72);
}

.is-affected {
  outline: 2px solid rgba(85, 183, 255, 0.9);
  outline-offset: 3px;
}

.effect-list,
.change-list {
  display: grid;
  gap: 0.65rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.effect-list li,
.change-list li,
.baseline-rule {
  border-left: 3px solid rgba(85, 183, 255, 0.65);
  padding: 0.55rem 0.75rem;
  background: rgba(85, 183, 255, 0.06);
}

.effect-list span,
.change-list span {
  display: block;
  color: var(--blue-2);
  margin-top: 0.2rem;
}

.effect-list p,
.baseline-rule p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.selected-rules-panel ul {
  margin-bottom: 0;
}

.workspace-section {
  width: 100%;
}

.c12-workspace {
  --workspace-height: clamp(660px, calc(100dvh - 190px), 900px);
  --diagram-scale: 1;
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  gap: 0.75rem;
  min-height: 640px;
  height: var(--workspace-height);
  border: 1px solid rgba(155, 216, 255, 0.18);
  border-radius: 8px;
  background: rgba(2, 8, 16, 0.38);
  padding: clamp(0.75rem, 1.8vw, 1rem);
  overflow: hidden;
}

@supports not (height: 100dvh) {
  .c12-workspace {
    --workspace-height: clamp(660px, calc(100vh - 190px), 900px);
  }
}

.lab-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.lab-breadcrumb span + span::before {
  content: "/";
  margin-right: 0.35rem;
  color: rgba(155, 216, 255, 0.45);
}

.workspace-context-bar,
.workspace-status-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 0.45rem;
  font-size: 0.82rem;
}

.workspace-status-strip {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.context-status-group {
  display: grid;
  grid-template-columns: minmax(150px, 1.4fr) repeat(5, minmax(58px, auto));
  gap: 0.4rem;
  min-width: 0;
}

.workspace-context-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.context-status-group > span,
.workspace-status-strip > span {
  display: inline-grid;
  gap: 0.08rem;
  min-width: 0;
  max-width: 100%;
}

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

.workspace-context-bar strong,
.workspace-status-strip strong {
  color: var(--blue-2);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.action-menu {
  position: relative;
}

.action-menu summary {
  min-height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(155, 216, 255, 0.22);
  border-radius: 6px;
  padding: 0.42rem 0.65rem;
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.action-menu[open] {
  z-index: 25;
}

.action-menu[open] summary {
  border-color: var(--blue);
}

.action-menu .button {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  width: max-content;
  min-width: 150px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.workspace-mobile-tabs {
  display: none;
  gap: 0.4rem;
}

.workspace-mobile-tabs button,
.view-switcher button,
.segmented-control button {
  min-height: 38px;
  border: 1px solid rgba(155, 216, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.45rem 0.65rem;
  font: inherit;
  font-weight: 700;
}

.workspace-mobile-tabs button[aria-selected="true"],
.view-switcher button[aria-selected="true"],
.segmented-control button[aria-pressed="true"],
.workspace-mobile-tabs button.is-active,
.view-switcher button.is-active {
  border-color: var(--blue);
  background: rgba(85, 183, 255, 0.16);
}

.workspace-body {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(520px, 1.62fr) minmax(260px, 0.78fr);
  grid-template-rows: minmax(0, 1fr);
  grid-template-areas: "inputs design advisor";
  gap: 0.75rem;
}

.input-rail {
  grid-area: inputs;
}

.workspace-center {
  grid-area: design;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.75rem;
  overflow: hidden;
}

.intelligence-rail {
  grid-area: advisor;
}

.evidence-rail {
  grid-area: evidence;
  display: none;
}

.workspace-rail {
  min-width: 0;
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 0.75rem;
  scrollbar-width: thin;
}

.workspace-form {
  border: 0;
  padding: 0;
  background: transparent;
}

.workspace-form h2 {
  font-size: 1.08rem;
  margin-bottom: 0.15rem;
}

.compact-support {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.workspace-disclosure {
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.035);
}

.workspace-disclosure summary {
  cursor: pointer;
  color: var(--blue-2);
  font-weight: 800;
  margin-bottom: 0.7rem;
}

.workspace-view {
  position: relative;
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 0.75rem;
}

.workspace-view[hidden] {
  display: none;
}

.workspace-view .architecture-map {
  min-height: 0;
  overflow: auto;
}

.architecture-map svg,
.arch-node-layer {
  transform: scale(var(--diagram-scale));
  transform-origin: 0 0;
}

.node-detail-panel,
.workspace-view > .result-panel {
  overflow: auto;
}

.view-switcher,
.segmented-control,
.workspace-actions,
.pressure-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.diagram-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
}

.overlay-switcher,
.diagram-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.diagram-actions .button {
  width: auto;
}

.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
}

.legend-chip {
  border: 1px solid rgba(155, 216, 255, 0.18);
  border-radius: 999px;
  padding: 0.16rem 0.45rem;
}

.svg-node.is-selected {
  outline: 3px solid rgba(255, 210, 120, 0.92);
  outline-offset: 4px;
  z-index: 3;
}

.center-detail-surface {
  position: absolute;
  z-index: 12;
  inset: 3.2rem 0.6rem 0.6rem;
  box-shadow: 0 20px 80px rgba(0, 0, 0, 0.32);
}

.center-detail-surface[hidden] {
  display: none;
}

.detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.analysis-summary {
  border-top: 1px solid rgba(155, 216, 255, 0.12);
  padding-top: 0.55rem;
  margin-top: 0.55rem;
}

.analysis-summary h4 {
  margin-bottom: 0.35rem;
}

.analysis-section {
  border-top: 1px solid rgba(155, 216, 255, 0.12);
  padding-top: 0.65rem;
  margin-top: 0.65rem;
}

.analysis-section summary {
  cursor: pointer;
  color: var(--blue-2);
  font-weight: 800;
}

.radio-line {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
}

.radio-line input,
.checkbox input {
  width: auto;
  min-height: auto;
}

.compact-history {
  color: var(--muted);
  font-size: 0.86rem;
}

.node-advisor {
  border-color: rgba(255, 210, 120, 0.9);
  box-shadow: 0 0 0 1px rgba(255, 210, 120, 0.12);
  background: rgba(255, 210, 120, 0.1);
}

.workspace-drawer {
  position: absolute;
  z-index: 90;
  inset: 0;
  display: grid;
  place-items: stretch end;
  background: rgba(2, 8, 16, 0.54);
}

.workspace-drawer[hidden] {
  display: none;
}

.workspace-drawer-panel {
  width: min(760px, 100%);
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  border-left: 1px solid rgba(155, 216, 255, 0.24);
  background: #07111f;
  box-shadow: -20px 0 80px rgba(0, 0, 0, 0.34);
}

.c12-workspace.is-fullscreen {
  position: fixed;
  z-index: 200;
  inset: 14px;
  width: auto;
  height: calc(100dvh - 28px);
  max-height: none;
}

.drawer-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid rgba(155, 216, 255, 0.14);
}

.drawer-body {
  overflow: auto;
  padding: 1rem;
}

.drawer-list,
.compact-history-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.drawer-list li,
.compact-history-list li {
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  padding: 0.85rem;
}

.workflow-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.workflow-line {
  display: grid;
  gap: 0.7rem;
}

.workflow-step {
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.035);
}

.workflow-step span {
  display: block;
  color: var(--muted);
  margin-top: 0.35rem;
}

.workflow-step.future {
  border-color: rgba(85, 183, 255, 0.44);
}

[data-workflow-receipt-preview] iframe {
  width: 100%;
  min-height: 620px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border: 1px solid rgba(155, 216, 255, 0.18);
  padding: 0.65rem;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--blue-2);
}

.simulation-steps {
  counter-reset: sim;
  display: grid;
  gap: 0.6rem;
  padding: 0;
  list-style: none;
}

.simulation-steps li {
  border-left: 3px solid var(--blue);
  padding: 0.5rem 0.8rem;
  background: rgba(85, 183, 255, 0.08);
}

pre {
  white-space: pre-wrap;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.2);
  padding: 0.75rem;
  border-radius: 6px;
}

@media (max-width: 980px) {
  .workspace-section {
    width: min(100% - 18px, 100%);
  }

  .lab-launcher {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .active-lab-summary {
    grid-template-columns: 1fr;
  }

  .active-lab-summary p:last-child {
    grid-column: 1;
  }

  .c12-workspace {
    --workspace-height: auto;
    height: auto;
    min-height: 0;
    grid-template-rows: auto auto auto auto minmax(560px, 72dvh) auto;
    overflow: visible;
  }

  .workspace-mobile-tabs {
    display: flex;
  }

  .workspace-body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr);
    grid-template-areas: "design";
  }

  .workspace-body > [data-mobile-panel] {
    display: none;
  }

  .c12-workspace[data-active-mobile-panel="inputs"] [data-mobile-panel="inputs"],
  .c12-workspace[data-active-mobile-panel="design"] [data-mobile-panel="design"],
  .c12-workspace[data-active-mobile-panel="advisor"] [data-mobile-panel="advisor"],
  .c12-workspace[data-active-mobile-panel="evidence"] [data-mobile-panel="evidence"] {
    display: grid;
    grid-area: design;
  }

  .workspace-context-bar {
    grid-template-columns: 1fr;
  }

  .context-status-group {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workspace-context-actions {
    justify-content: start;
  }

  .diagram-toolbar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .nav-shell {
    grid-template-columns: auto auto 1fr;
  }

  .menu-toggle {
    display: block;
  }

  .site-menu {
    position: fixed;
    inset: 78px 0 auto 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0.8rem 20px 1rem;
    background: rgba(7, 17, 31, 0.98);
    border-bottom: 1px solid rgba(155, 216, 255, 0.18);
  }

  .site-menu.is-open {
    display: flex;
  }

  .site-menu a {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(155, 216, 255, 0.12);
  }

  .header-cta {
    justify-self: end;
  }

  .hero-grid,
  .about {
    grid-template-columns: 1fr;
  }

  .flow-visual {
    min-height: auto;
    border-left: 0;
    padding-left: 0;
  }

  .flow-visual svg {
    max-height: 260px;
  }

  .trust-strip,
  .capability-grid,
  .use-grid,
  .principles-list,
  .workflow-columns,
  .lab-sequence {
    grid-template-columns: repeat(2, 1fr);
  }

  .tool-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-shell,
  .section,
  .status-inner,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  .nav-shell {
    min-height: 68px;
    gap: 0.7rem;
  }

  .brand span {
    font-size: 0.96rem;
  }

  .header-cta {
    display: none;
  }

  .site-menu {
    inset: 68px 0 auto 0;
  }

  .hero {
    min-height: auto;
  }

  .flow-visual svg {
    max-height: 160px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .trust-strip,
  .capability-grid,
  .use-grid,
  .principles-list,
  .tool-layout,
  .workflow-columns,
  .lab-sequence {
    grid-template-columns: 1fr;
  }

  dl {
    grid-template-columns: 1fr;
  }

  .floating-control {
    position: static;
    width: calc(100% - 28px);
    margin: 0.5rem 14px;
  }

  .inspector-panel {
    left: 14px;
    right: 14px;
    width: auto;
  }

  .trust-strip p {
    text-align: left;
  }

  .workspace-section {
    width: min(100% - 12px, 100%);
  }

  .lab-launcher {
    grid-template-columns: 1fr;
  }

  .simple-lab-panel {
    height: min(780px, calc(100dvh - 190px));
    min-height: 620px;
  }

  .c12-workspace {
    --workspace-height: auto;
    height: auto;
    min-height: 0;
    grid-template-rows: auto auto auto auto minmax(620px, 74dvh) auto;
    overflow: visible;
    padding: 0.55rem;
  }

  .workspace-context-bar {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .workspace-status-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .workspace-status-strip > span:last-child {
    grid-column: 1 / -1;
  }

  .context-status-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-context-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-context-bar .button,
  .workspace-status-strip .button {
    width: 100%;
  }

  .workspace-context-bar > span,
  .workspace-status-strip > span {
    min-width: 0;
  }

  .workspace-mobile-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .workspace-mobile-tabs button {
    min-width: 0;
    padding-inline: 0.3rem;
    font-size: 0.78rem;
  }

  .view-switcher button,
  .segmented-control button {
    flex: 1 1 120px;
  }

  .diagram-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .diagram-actions .button,
  .action-menu,
  .action-menu summary {
    width: 100%;
  }

  .action-menu .button {
    left: 0;
    right: auto;
    width: 100%;
  }

  .svg-node {
    width: 116px;
    min-height: 48px;
    font-size: 0.68rem;
  }

  .workspace-drawer {
    position: fixed;
    place-items: end stretch;
  }

  .workspace-drawer-panel {
    width: 100%;
    height: min(92dvh, 720px);
    border-left: 0;
    border-top: 1px solid rgba(155, 216, 255, 0.24);
  }

  .process-list li {
    grid-template-columns: 58px 1fr;
  }

  .capability,
  .use-case {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}
/* HF3B-HF1: keep the full Systems Architect layout at desktop-sized widths.
   The existing 1180px breakpoint switched the workspace into one-panel mode
   while the site header was still in desktop mode. */

@media (min-width: 981px) and (max-width: 1180px) {
  .workspace-mobile-tabs {
    display: none;
  }

  .workspace-body {
    grid-template-columns:
      minmax(210px, 0.72fr)
      minmax(0, 1.62fr)
      minmax(220px, 0.78fr);
    grid-template-rows: minmax(0, 1fr);
    grid-template-areas: "inputs design advisor";
  }

  .workspace-body > [data-mobile-panel] {
    display: grid;
    min-width: 0;
    min-height: 0;
  }

  .input-rail {
    grid-area: inputs;
  }

  .workspace-center {
    grid-area: design;
  }

  .intelligence-rail {
    grid-area: advisor;
  }

  .evidence-rail {
    display: none;
  }
}

/* Only use the one-panel workspace below the same breakpoint where the
   primary site navigation becomes compact. */
@media (max-width: 980px) {
  .workspace-mobile-tabs {
    display: flex;
  }

  .workspace-body {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr);
    grid-template-areas: "design";
  }

  .workspace-body > [data-mobile-panel] {
    display: none;
  }

  .c12-workspace[data-active-mobile-panel="inputs"] [data-mobile-panel="inputs"],
  .c12-workspace[data-active-mobile-panel="design"] [data-mobile-panel="design"],
  .c12-workspace[data-active-mobile-panel="advisor"] [data-mobile-panel="advisor"],
  .c12-workspace[data-active-mobile-panel="evidence"] [data-mobile-panel="evidence"] {
    display: grid;
    grid-area: design;
    min-width: 0;
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .workspace-mobile-tabs {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ==========================================================================
C12 M1 — Public-page proportions and typography
========================================================================== */

:root {
--max: 1380px;
}

h1,
h2,
h3 {
overflow-wrap: normal;
word-break: normal;
hyphens: none;
text-wrap: balance;
}

p,
li,
dd,
dt {
overflow-wrap: break-word;
word-break: normal;
}

h1 {
font-size: clamp(2.6rem, 4.5vw, 4.8rem);
}

h2 {
font-size: clamp(2rem, 3.5vw, 3.75rem);
}

.section {
padding-top: clamp(3.25rem, 5.5vw, 5.5rem);
padding-bottom: clamp(3.25rem, 5.5vw, 5.5rem);
}

.page-hero {
padding-top: clamp(3rem, 5vw, 5.5rem);
}

.hero {
padding-top: clamp(2.5rem, 4vw, 4.5rem);
padding-bottom: clamp(1.5rem, 3vw, 3rem);
}

.hero-grid {
gap: clamp(2rem, 4vw, 4rem);
}

.hero-text {
max-width: 62ch;
}

.section-head {
margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
}

.capability-grid,
.use-grid {
gap: clamp(0.9rem, 1.4vw, 1.25rem);
}

.capability-grid {
grid-template-columns: repeat(3, minmax(0, 1fr));
}

.use-grid {
grid-template-columns: repeat(4, minmax(0, 1fr));
}

.capability,
.use-case {
min-height: 0;
padding: clamp(1.1rem, 1.8vw, 1.6rem);
align-content: start;
}

.capability h3,
.use-case h3 {
overflow-wrap: normal;
word-break: normal;
hyphens: none;
text-wrap: balance;
}

@media (min-width: 981px) {
.nav-shell,
.section,
.status-inner,
.site-footer {
width: min(var(--max), calc(100% - clamp(48px, 7vw, 112px)));
}
}

@media (min-width: 641px) and (max-width: 1120px) {
.capability-grid,
.use-grid {
grid-template-columns: repeat(2, minmax(0, 1fr));
}
}

@media (max-width: 640px) {
h1 {
font-size: clamp(2.25rem, 11vw, 3.35rem);
}

h2 {
font-size: clamp(1.8rem, 9vw, 2.7rem);
}

.section {
padding-top: 2.75rem;
padding-bottom: 2.75rem;
}

.capability-grid,
.use-grid {
grid-template-columns: 1fr;
}
}

/* ==========================================================================
C12 HF3B-HF1B — Align desktop workspace breakpoint
Restores the three-region Systems Architect layout from 981px through 1180px.
========================================================================== */

@media (min-width: 981px) and (max-width: 1180px) {
.workspace-mobile-tabs {
display: none !important;
}

.workspace-body {
grid-template-columns:
minmax(220px, 0.72fr)
minmax(0, 1.62fr)
minmax(240px, 0.78fr);
grid-template-rows: minmax(0, 1fr);
grid-template-areas: "inputs design advisor";
}

.input-rail {
display: grid !important;
grid-area: inputs;
}

.workspace-center {
display: grid !important;
grid-area: design;
}

.intelligence-rail {
display: grid !important;
grid-area: advisor;
}

.evidence-rail {
display: none !important;
}

.workspace-context-bar {
grid-template-columns: minmax(0, 1fr) auto;
}

.context-status-group {
grid-template-columns:
minmax(150px, 1.4fr)
repeat(5, minmax(58px, auto));
}

.workspace-context-actions {
display: flex;
justify-content: flex-end;
}

.diagram-toolbar {
grid-template-columns: minmax(0, 1fr) auto;
}
}

/* ==========================================================================
   C12 HF3B-HF3A - Full-width active lab shell
   ========================================================================== */

@media (min-width: 981px) {
  .lab-app-shell,
  .lab-panels,
  .lab-panel,
  .workspace-section,
  .c12-workspace,
  .workspace-body,
  .workspace-body > *,
  .workspace-center,
  .workspace-rail,
  .simple-lab-panel,
  .tool-layout,
  .tool-form,
  .tool-output {
    min-width: 0;
  }

  .lab-panels {
    --active-lab-shell-width: min(1800px, calc(100vw - 32px));
    width: var(--active-lab-shell-width);
    max-width: calc(100vw - 32px);
    margin-left: calc((100% - var(--active-lab-shell-width)) / 2);
    margin-right: calc((100% - var(--active-lab-shell-width)) / 2);
  }

  .workspace-section,
  .c12-workspace,
  .simple-lab-panel {
    width: 100%;
    max-width: none;
  }

  .workspace-body {
    grid-template-columns:
      minmax(240px, 20fr)
      minmax(0, 57fr)
      minmax(260px, 23fr);
  }
}

@media (min-width: 981px) and (max-width: 1180px) {
  .workspace-body {
    grid-template-columns:
      minmax(220px, 20fr)
      minmax(0, 57fr)
      minmax(230px, 23fr);
  }
}

@media (max-width: 1180px) {
  .lab-app-shell,
  .lab-panels,
  .workspace-body,
  .workspace-body > *,
  .workspace-center,
  .workspace-rail,
  .simple-lab-panel,
  .tool-layout {
    min-width: 0;
  }
}

/* ==========================================================================
   C12 HF3B-HF3B1 - Guided Discovery controller
   ========================================================================== */

.architect-mode-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: center;
  min-width: 0;
  padding: 0.45rem;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.028);
}

.architect-mode-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(86px, 1fr));
  gap: 0.35rem;
}

.architect-mode-switch button {
  min-height: 36px;
  border: 1px solid rgba(155, 216, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  font: inherit;
  font-weight: 800;
}

.architect-mode-switch button[aria-selected="true"],
.architect-mode-switch button.is-active {
  border-color: var(--blue);
  background: rgba(85, 183, 255, 0.16);
}

.architect-mode-bar p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.guided-discovery,
.guided-question-card,
.guided-completed,
.guided-decision {
  min-width: 0;
}

.guided-discovery {
  display: grid;
  gap: 0.75rem;
}

.guided-discovery-head {
  padding: 0.9rem;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.guided-discovery-head h2 {
  margin: 0.15rem 0 0.35rem;
  font-size: clamp(1.35rem, 1.8vw, 1.8rem);
}

.guided-discovery-head p:last-child,
.guided-completed h3,
.guided-question-card h3,
.guided-decision h3 {
  margin-top: 0;
}

.guided-completed,
.guided-question-card {
  display: grid;
  gap: 0.55rem;
  padding: 0.85rem;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(2, 8, 16, 0.24);
}

.guided-answer-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.45rem;
  align-items: center;
  min-width: 0;
  padding: 0.45rem 0.5rem;
  border: 1px solid rgba(155, 216, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
}

.guided-answer-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.88rem;
}

.guided-answer-row small {
  grid-column: 2 / 3;
  color: var(--focus);
}

.guided-answer-row.is-current {
  border-color: rgba(85, 183, 255, 0.45);
  background: rgba(85, 183, 255, 0.08);
}

.guided-answer-row.needs-review {
  border-color: rgba(215, 243, 107, 0.45);
}

.guided-answer-row.is-skipped {
  color: var(--muted);
}

.guided-choice-group {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.guided-choice-legend {
  margin-bottom: 0.2rem;
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.guided-choice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem;
  align-items: center;
  min-height: 38px;
  padding: 0.5rem 0.6rem;
  border: 1px solid rgba(155, 216, 255, 0.14);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.guided-choice input {
  margin: 0;
  accent-color: var(--blue);
}

.guided-choice[aria-pressed="true"],
.guided-choice:focus-within {
  border-color: var(--blue);
  background: rgba(85, 183, 255, 0.16);
}

.guided-answer-label {
  display: grid;
  gap: 0.35rem;
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.guided-answer-label input,
.guided-answer-label textarea {
  text-transform: none;
  font-weight: 400;
}

.guided-answer-label textarea {
  min-height: 118px;
  resize: vertical;
}

.guided-suggestions,
.guided-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.guided-actions {
  justify-content: space-between;
}

.live-design-label {
  margin: -0.25rem 0 0;
  color: var(--blue-2);
  font-size: 0.82rem;
  font-weight: 800;
}

.design-map-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(118px, 1fr));
  gap: 0.4rem;
  align-self: start;
  max-width: 360px;
}

.design-map-switch button {
  min-height: 38px;
  border: 1px solid rgba(155, 216, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.45rem 0.7rem;
  font: inherit;
  font-weight: 800;
}

.design-map-switch button[aria-selected="true"],
.design-map-switch button.is-active {
  border-color: var(--blue);
  background: rgba(85, 183, 255, 0.16);
}

.guided-overview-surface,
.technical-map-surface {
  min-width: 0;
  min-height: 0;
}

.technical-map-surface {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 0.75rem;
}

.guided-overview-surface {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.75rem;
  height: 100%;
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(2, 8, 16, 0.24);
  padding: clamp(0.85rem, 1.8vw, 1.15rem);
  overflow: auto;
}

.guided-overview-head h3,
.guided-overview-head p {
  margin: 0;
}

.guided-overview-head {
  display: grid;
  gap: 0.25rem;
}

.guided-overview-head p {
  color: var(--muted);
}

.guided-overview-chain {
  min-width: 0;
  display: grid;
  align-items: center;
}

.overview-chain-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 0.8rem;
  align-items: stretch;
  margin: 0;
  padding: 0;
  list-style: none;
}

.overview-stage {
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  gap: 0.35rem;
  min-width: 0;
  min-height: 150px;
  padding: 0.85rem;
  border: 1px solid rgba(155, 216, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.overview-stage:not(:last-child)::after {
  content: "->";
  position: absolute;
  right: -0.64rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blue-2);
  font-weight: 900;
}

.overview-stage-index {
  display: grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid rgba(85, 183, 255, 0.65);
  border-radius: 50%;
  color: var(--blue-2);
  font-size: 0.82rem;
  font-weight: 900;
}

.overview-stage strong {
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
}

.overview-stage span:not(.overview-stage-index) {
  color: var(--blue-2);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.overview-stage p {
  margin: 0;
  color: var(--muted);
}

.guided-overview-empty {
  display: grid;
  gap: 0.35rem;
  align-self: center;
  max-width: 38rem;
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 1px solid rgba(155, 216, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.guided-overview-empty strong {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
}

.guided-overview-empty p {
  margin: 0;
  color: var(--muted);
}

.guided-decision-list {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
  max-width: 100%;
  margin: 0 0 0.8rem;
  overflow-wrap: anywhere;
}

.guided-decision-list dt {
  color: var(--blue-2);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.guided-decision-list dd {
  margin: 0;
  color: var(--muted);
}

[data-guided-discovery][hidden],
[data-architect-form][hidden],
[data-technical-advisor-question][hidden],
[data-guided-decision][hidden],
[data-analysis-panel][hidden],
[data-recommendation-panel][hidden],
[data-live-design-label][hidden],
[data-mobile-tab][hidden],
[data-guided-overview][hidden],
[data-technical-map-surface][hidden] {
  display: none !important;
}

@media (max-width: 980px) {
  .architect-mode-bar {
    grid-template-columns: minmax(0, 1fr);
  }

  .architect-mode-switch {
    width: 100%;
  }

  .guided-answer-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .guided-answer-row .button {
    grid-column: 2;
    justify-self: start;
  }

  .design-map-switch {
    width: 100%;
    max-width: none;
  }

  .overview-chain-list {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }

  .overview-stage {
    min-height: 0;
  }

  .overview-stage:not(:last-child)::after {
    content: "down";
    position: static;
    transform: none;
    justify-self: start;
    margin-top: 0.15rem;
  }
}


/* ==========================================================================
   C12 HF4A - Interactive Lab workspace density and viewport utilization
   Keeps public reading pages restrained while allowing the operational Lab
   to use the available display area.
   ========================================================================== */

body[data-route="/interactive-lab/"] {
  --lab-edge: clamp(8px, 1vw, 18px);
}

body[data-route="/interactive-lab/"] .lab-intro,
body[data-route="/interactive-lab/"] .lab-application {
  width: calc(100% - (var(--lab-edge) * 2));
  max-width: 2048px;
}

body[data-route="/interactive-lab/"] .lab-application {
  padding-top: 0;
  padding-bottom: 1rem;
}

body[data-route="/interactive-lab/"] .lab-app-shell {
  gap: 0.42rem;
}

body[data-route="/interactive-lab/"] .lab-launcher {
  gap: 0.28rem;
  padding: 0.3rem;
}

body[data-route="/interactive-lab/"] .lab-launcher button {
  min-height: 35px;
  padding: 0.36rem 0.45rem;
  font-size: 0.78rem;
}

body[data-route="/interactive-lab/"] .active-lab-summary {
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 0.25rem 0.65rem;
  align-items: center;
  min-height: 38px;
  padding: 0.38rem 0.55rem;
}

body[data-route="/interactive-lab/"] .active-lab-summary h2 {
  font-size: 0.95rem;
}

body[data-route="/interactive-lab/"] .active-lab-summary p:last-child {
  grid-column: 3;
  overflow: hidden;
  font-size: 0.78rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body[data-route="/interactive-lab/"] .lab-quickstart {
  min-height: 34px;
  margin: 0;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(155, 216, 255, 0.12);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font-size: 0.76rem;
}

body[data-route="/interactive-lab/"] .lab-quickstart summary {
  cursor: pointer;
  color: var(--blue-2);
  font-weight: 800;
}

body[data-route="/interactive-lab/"] .lab-quickstart p {
  margin: 0.45rem 0 0;
}

body[data-route="/interactive-lab/"] .lab-panels {
  --active-lab-shell-width: min(2048px, calc(100vw - (var(--lab-edge) * 2)));
  width: var(--active-lab-shell-width);
  max-width: calc(100vw - (var(--lab-edge) * 2));
  margin-left: calc((100% - var(--active-lab-shell-width)) / 2);
  margin-right: calc((100% - var(--active-lab-shell-width)) / 2);
}

body[data-route="/interactive-lab/"] .c12-workspace {
  --workspace-height: clamp(700px, calc(100dvh - 88px), 1080px);
  gap: 0.42rem;
  min-height: 680px;
  padding: 0.52rem;
}

@supports not (height: 100dvh) {
  body[data-route="/interactive-lab/"] .c12-workspace {
    --workspace-height: clamp(700px, calc(100vh - 88px), 1080px);
  }
}

body[data-route="/interactive-lab/"] .lab-breadcrumb {
  min-height: 20px;
  font-size: 0.72rem;
}

body[data-route="/interactive-lab/"] .workspace-context-bar,
body[data-route="/interactive-lab/"] .workspace-status-strip {
  min-height: 36px;
  gap: 0.3rem;
  padding: 0.28rem 0.35rem;
  font-size: 0.74rem;
}

body[data-route="/interactive-lab/"] .workspace-context-bar strong,
body[data-route="/interactive-lab/"] .workspace-status-strip strong {
  font-size: 0.58rem;
}

body[data-route="/interactive-lab/"] .workspace-context-actions {
  gap: 0.28rem;
}

body[data-route="/interactive-lab/"] .workspace-context-actions .button,
body[data-route="/interactive-lab/"] .workspace-context-actions summary {
  min-height: 32px;
  padding: 0.3rem 0.48rem;
  font-size: 0.7rem;
}

body[data-route="/interactive-lab/"] .architect-mode-bar {
  gap: 0.45rem;
  padding: 0.32rem;
}

body[data-route="/interactive-lab/"] .architect-mode-switch button,
body[data-route="/interactive-lab/"] .workspace-mobile-tabs button,
body[data-route="/interactive-lab/"] .view-switcher button,
body[data-route="/interactive-lab/"] .segmented-control button,
body[data-route="/interactive-lab/"] .design-map-switch button {
  min-height: 33px;
  padding: 0.34rem 0.48rem;
  font-size: 0.72rem;
}

body[data-route="/interactive-lab/"] .workspace-body {
  gap: 0.42rem;
}

body[data-route="/interactive-lab/"] .workspace-center {
  gap: 0.42rem;
}

body[data-route="/interactive-lab/"] .workspace-rail,
body[data-route="/interactive-lab/"] .guided-discovery,
body[data-route="/interactive-lab/"] .tool-output {
  gap: 0.48rem;
}

body[data-route="/interactive-lab/"] .workspace-disclosure,
body[data-route="/interactive-lab/"] .guided-discovery-head,
body[data-route="/interactive-lab/"] .guided-question-card,
body[data-route="/interactive-lab/"] .guided-completed,
body[data-route="/interactive-lab/"] .workspace-rail .result-panel {
  padding: 0.58rem;
}

body[data-route="/interactive-lab/"] .workspace-disclosure summary {
  margin-bottom: 0.48rem;
}

body[data-route="/interactive-lab/"] .guided-overview-surface {
  gap: 0.48rem;
  padding: 0.65rem;
}

body[data-route="/interactive-lab/"] .overview-chain-list {
  gap: 0.5rem;
}

body[data-route="/interactive-lab/"] .overview-stage {
  min-height: 132px;
  padding: 0.62rem;
}

body[data-route="/interactive-lab/"] .technical-map-surface,
body[data-route="/interactive-lab/"] .workspace-view {
  gap: 0.48rem;
}

body[data-route="/interactive-lab/"] .diagram-toolbar,
body[data-route="/interactive-lab/"] .overlay-switcher,
body[data-route="/interactive-lab/"] .diagram-actions,
body[data-route="/interactive-lab/"] .view-switcher,
body[data-route="/interactive-lab/"] .workspace-actions,
body[data-route="/interactive-lab/"] .pressure-toolbar {
  gap: 0.28rem;
}

body[data-route="/interactive-lab/"] .diagram-actions .button,
body[data-route="/interactive-lab/"] .workspace-actions .button {
  min-height: 33px;
  padding: 0.34rem 0.48rem;
  font-size: 0.7rem;
}

@media (min-width: 1280px) {
  body[data-route="/interactive-lab/"] .nav-shell {
    width: calc(100% - (var(--lab-edge) * 2));
    max-width: 2048px;
  }

  body[data-route="/interactive-lab/"] .lab-intro {
    display: grid;
    grid-template-columns: auto minmax(360px, 1.25fr) minmax(320px, 0.8fr);
    gap: 0.35rem 1rem;
    align-items: center;
    padding-top: 0.65rem;
    padding-bottom: 0.55rem;
  }

  body[data-route="/interactive-lab/"] .lab-intro > .eyebrow {
    display: none;
  }

  body[data-route="/interactive-lab/"] .lab-intro h1 {
    margin: 0;
    font-size: 1.35rem;
    white-space: nowrap;
  }

  body[data-route="/interactive-lab/"] .lab-intro .hero-text,
  body[data-route="/interactive-lab/"] .lab-intro .disclosure {
    margin: 0;
    max-width: none;
    font-size: 0.76rem;
    line-height: 1.35;
  }

  body[data-route="/interactive-lab/"] .lab-intro .disclosure {
    justify-self: end;
    text-align: right;
  }

  body[data-route="/interactive-lab/"] .workspace-body {
    grid-template-columns:
      minmax(228px, 18fr)
      minmax(0, 62fr)
      minmax(250px, 20fr);
  }
}

@media (min-width: 981px) and (max-width: 1279px) {
  body[data-route="/interactive-lab/"] .lab-intro {
    padding-top: 0.75rem;
    padding-bottom: 0.65rem;
  }

  body[data-route="/interactive-lab/"] .lab-intro h1 {
    font-size: 1.8rem;
  }

  body[data-route="/interactive-lab/"] .lab-intro .hero-text,
  body[data-route="/interactive-lab/"] .lab-intro .disclosure {
    font-size: 0.8rem;
  }

  body[data-route="/interactive-lab/"] .workspace-body {
    grid-template-columns:
      minmax(215px, 20fr)
      minmax(0, 58fr)
      minmax(225px, 22fr);
  }
}

@media (max-width: 980px) {
  body[data-route="/interactive-lab/"] .lab-intro,
  body[data-route="/interactive-lab/"] .lab-application,
  body[data-route="/interactive-lab/"] .workspace-section {
    width: calc(100% - 12px);
  }

  body[data-route="/interactive-lab/"] .lab-intro {
    padding-top: 0.9rem;
    padding-bottom: 0.75rem;
  }

  body[data-route="/interactive-lab/"] .active-lab-summary {
    grid-template-columns: auto minmax(0, 1fr);
  }

  body[data-route="/interactive-lab/"] .active-lab-summary p:last-child {
    grid-column: 1 / -1;
    white-space: normal;
  }

  body[data-route="/interactive-lab/"] .c12-workspace {
    --workspace-height: auto;
    min-height: 0;
    height: auto;
    padding: 0.42rem;
  }
}

/* ==========================================================================
   C12 HF4B - Plain-language Guided usability pass
   Keeps receipt surfaces unchanged while making the primary workflow obvious.
   ========================================================================== */

body[data-route="/interactive-lab/"] .workspace-center {
  grid-template-rows: auto auto minmax(0, 1fr);
}

body[data-route="/interactive-lab/"] .workspace-view {
  min-height: 0;
  height: 100%;
}

body[data-route="/interactive-lab/"] [data-systems-architect-mode="guided"] .input-rail,
body[data-route="/interactive-lab/"] .c12-workspace[data-systems-architect-mode="guided"] .input-rail {
  overflow: hidden;
}

body[data-route="/interactive-lab/"] .guided-discovery {
  grid-template-rows: auto auto minmax(0, 1fr);
  min-height: 0;
  height: 100%;
}

body[data-route="/interactive-lab/"] .guided-discovery-head {
  padding: 0.62rem;
}

body[data-route="/interactive-lab/"] .guided-discovery-head h2 {
  margin: 0.05rem 0 0.2rem;
  font-size: 1.15rem;
}

body[data-route="/interactive-lab/"] .guided-discovery-head p:last-child {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

body[data-route="/interactive-lab/"] .guided-completed {
  gap: 0.38rem;
  padding: 0.52rem 0.58rem;
}

.guided-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.78rem;
}

.guided-progress-head span,
.guided-progress-help {
  color: var(--muted);
}

.guided-progress-help {
  margin: 0;
  font-size: 0.76rem;
}

.guided-progress-track {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(155, 216, 255, 0.12);
}

.guided-progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--blue);
  transition: width 180ms ease;
}

.guided-answer-review {
  margin-top: 0.1rem;
}

.guided-answer-review summary {
  cursor: pointer;
  color: var(--blue-2);
  font-size: 0.76rem;
  font-weight: 800;
}

.guided-answer-list {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

body[data-route="/interactive-lab/"] .guided-question-card {
  position: relative;
  grid-template-rows: auto auto auto auto minmax(0, 1fr) auto;
  align-content: start;
  min-height: 0;
  overflow: auto;
  padding: 0.72rem;
}

.guided-question-kicker {
  color: var(--blue-2);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body[data-route="/interactive-lab/"] .guided-question-card h3 {
  margin: 0;
  font-size: clamp(1.35rem, 1.55vw, 1.75rem);
  line-height: 1.08;
}

.guided-why {
  padding: 0.45rem 0.55rem;
  border: 1px solid rgba(155, 216, 255, 0.12);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.025);
}

.guided-why summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
}

.guided-why p {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.guided-suggestions {
  align-items: center;
}

.guided-suggestions-label {
  flex-basis: 100%;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
}

body[data-route="/interactive-lab/"] .guided-actions {
  position: sticky;
  z-index: 4;
  bottom: -0.72rem;
  display: grid;
  grid-template-columns: auto auto minmax(130px, 1fr);
  gap: 0.45rem;
  margin: 0.2rem -0.72rem -0.72rem;
  padding: 0.62rem 0.72rem;
  border-top: 1px solid rgba(155, 216, 255, 0.16);
  background: linear-gradient(180deg, rgba(4, 14, 26, 0.96), rgba(4, 14, 26, 1));
  box-shadow: 0 -12px 22px rgba(2, 8, 16, 0.32);
}

body[data-route="/interactive-lab/"] .guided-actions .button {
  min-height: 42px;
}

body[data-route="/interactive-lab/"] .guided-actions .button-primary {
  font-size: 0.86rem;
  font-weight: 900;
}

body[data-route="/interactive-lab/"] .guided-decision-list {
  grid-template-columns: 1fr;
  gap: 0.25rem;
}

body[data-route="/interactive-lab/"] .guided-decision-list dd {
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

@media (min-width: 1280px) {
  body[data-route="/interactive-lab/"] .c12-workspace[data-systems-architect-mode="guided"] .workspace-body {
    grid-template-columns:
      minmax(320px, 26fr)
      minmax(0, 52fr)
      minmax(270px, 22fr);
  }
}

@media (min-width: 981px) and (max-width: 1279px) {
  body[data-route="/interactive-lab/"] .c12-workspace[data-systems-architect-mode="guided"] .workspace-body {
    grid-template-columns:
      minmax(285px, 25fr)
      minmax(0, 51fr)
      minmax(250px, 24fr);
  }
}

@media (max-width: 980px) {
  body[data-route="/interactive-lab/"] .guided-actions {
    bottom: -0.72rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-route="/interactive-lab/"] .guided-actions .button-primary {
    grid-column: 1 / -1;
    grid-row: 1;
  }
}

body[data-route="/interactive-lab/"] .guided-actions .button-primary {
  grid-column: -2 / -1;
  width: 100%;
}

body[data-route="/interactive-lab/"] .c12-workspace[data-systems-architect-mode="guided"] .intelligence-rail > .workspace-actions {
  display: none;
}

@media (max-width: 980px) {
  body[data-route="/interactive-lab/"] .guided-actions .button-primary {
    grid-column: 1 / -1;
  }
}