/* ============================================================ *
 * CATALIIST design system v3.0 — survey app stylesheet
 * Reconciled with design.md v3.0 (interaction model, living field,
 * depth mesh, vignette, scan-in, telemetry bar, // labels).
 * ============================================================ */

/* -------------------- tokens -------------------- */
:root {
  /* Core palette */
  --navy: #0D1B2A;
  --charcoal: #1A1A1A;
  --steel-blue: #2E4757;
  --teal: #00D1C7;
  --stone: #E6E7E8;
  --white: #FFFFFF;

  /* Derived utility */
  --surface-1: #12202E;
  --surface-2: #1B2A38;
  --teal-bright: #47EEE3;
  --teal-deep: #005450;
  --on-teal: #00201E;
  --outline: #5C7180;
  --on-variant: #8A99A5;
  --stroke: rgba(255, 255, 255, 0.10);
  --stroke-soft: rgba(255, 255, 255, 0.06);

  /* Translucent surface fills (sections / cards over the living field) */
  --charcoal-translucent: rgba(26, 26, 26, 0.78);
  --surface-1-translucent: rgba(18, 32, 46, 0.68);
  --navy-translucent: rgba(13, 27, 42, 0.62);

  /* Logo + wordmark accent — teal-bright per the contrast fix.
     Standard teal (--teal) stays reserved for the kinetic field/cursor/scan layer;
     teal-bright is the brighter end of the same approved gradient (design.md §4). */
  --cataliist-c: #FFFFFF;
  --cataliist-accent: var(--teal-bright);

  /* Data-viz semantic */
  --development: #F2B53B;
  --critical: #FF6B6B;
  --neutral-data: #9FB8C9;

  /* Heatmap ramp (Phase D — kept here for inheritance) */
  --heatmap-1: #12303A;
  --heatmap-2: #134E4A;
  --heatmap-3: #0A7D76;
  --heatmap-4: #00A89E;
  --heatmap-5: #00D1C7;
  --heatmap-6: #47EEE3;

  /* Type stacks */
  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body: 'Hanken Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing */
  --u: 8px;
  --gutter: 24px;
  --container-max: 1320px;
  --margin-mobile: 24px;
  --margin-desktop: 64px;

  /* Motion */
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-micro: 250ms;
  --dur-transition: 400ms;
  --dur-reveal: 800ms;
  --dur-scan: 950ms;
  --field-lerp: 0.04;

  /* Atmosphere */
  --noise-opacity: 0.04;
  --scanline-opacity: 0.35;
  --vignette-darkness: 0.42;
  --glow-blur: 120px;
}

/* @property enables animating CSS custom properties (used by scan-in) */
@property --scan-progress {
  syntax: '<percentage>';
  inherits: false;
  initial-value: 0%;
}

/* -------------------- reset -------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, ul, ol, fieldset, legend, figure, form { margin: 0; padding: 0; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
fieldset { border: 0; padding: 0; min-inline-size: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }

/* -------------------- base -------------------- */
body.theme-dark {
  background: var(--navy);
  color: var(--stone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* -------------------- typography -------------------- */
.display-xl {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(58px, 7.4vw, 92px);
  font-variation-settings: 'wght' 800, 'wdth' 125;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--white);
}
.display-lg {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 5.0vw, 58px);
  font-variation-settings: 'wght' 800, 'wdth' 115;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--white);
}
.headline-lg {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--stone);
}
/* .headline-xl removed in v3.0 — alias to .headline-lg for any stragglers */
.headline-xl { font: inherit; }
.headline-xl.headline-xl { /* placeholder to avoid empty rule */ color: inherit; }

.display-numeral {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.0vw, 38px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--teal-bright);
}

.body-lg { font-size: 18px; line-height: 1.6; }
.body-md { font-size: 16px; line-height: 1.6; }
.body-sm { font-size: 14px; line-height: 1.5; color: var(--on-variant); }

.label-caps  {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-variant);
}
.label-micro {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--outline);
}
.mono { font-family: var(--font-mono); }

/* -------------------- wordmark --------------------
   The entire word ships as a single inline span; only the LII child
   changes color. Uniform kerning is guaranteed because there are no
   flex/inline-block gaps to split letters apart. */
.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--stone);
  white-space: nowrap;
}
.wordmark--inline { font-size: 16px; font-weight: 600; }
.wordmark__accent { color: var(--cataliist-accent); }

/* -------------------- layout -------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--margin-mobile);
  padding-right: var(--margin-mobile);
}
@media (min-width: 900px) {
  .container { padding-left: var(--margin-desktop); padding-right: var(--margin-desktop); }
}
.site-main { flex: 1 0 auto; padding: calc(var(--u) * 6) 0 calc(var(--u) * 16); position: relative; z-index: 1; }
.grid { display: grid; gap: var(--gutter); }
.grid--two { grid-template-columns: 1fr; }
@media (min-width: 700px) { .grid--two { grid-template-columns: 1fr 1fr; } }

/* -------------------- atmosphere -------------------- */
.telemetry-bar {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: var(--teal);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 1000;
  pointer-events: none;
  transition: transform 80ms linear;
  box-shadow: 0 0 12px rgba(0, 209, 199, 0.45);
}
.atmosphere {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
.atmosphere__field {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.atmosphere__mesh { position: absolute; inset: -10vmax; }
.atmosphere__blob {
  position: absolute;
  display: block;
  width: 70vmax; height: 70vmax;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.7;
  transform: translate(-50%, -50%);
  animation: blob-drift 34s var(--ease-standard) infinite;
}
.atmosphere__blob--a {
  background: radial-gradient(circle, rgba(0, 84, 80, 0.65), transparent 62%);
  top: 22%; left: 28%;
}
.atmosphere__blob--b {
  background: radial-gradient(circle, rgba(46, 71, 87, 0.55), transparent 62%);
  top: 64%; left: 72%;
  animation-delay: -11s;
}
.atmosphere__blob--c {
  background: radial-gradient(circle, rgba(0, 209, 199, 0.30), transparent 65%);
  top: 42%; left: 52%;
  animation-delay: -22s;
}
@keyframes blob-drift {
  0%   { transform: translate(-50%, -50%) translate(0, 0); }
  25%  { transform: translate(-50%, -50%) translate(7vw, -5vh); }
  50%  { transform: translate(-50%, -50%) translate(-4vw, 8vh); }
  75%  { transform: translate(-50%, -50%) translate(9vw, 3vh); }
  100% { transform: translate(-50%, -50%) translate(0, 0); }
}

.atmosphere__noise {
  position: absolute; inset: 0;
  opacity: var(--noise-opacity);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9'/></filter><rect width='120' height='120' filter='url(%23n)' opacity='0.7'/></svg>");
}
.atmosphere__scanlines {
  position: absolute; inset: 0;
  opacity: calc(var(--scanline-opacity) * 0.18);
  background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(255, 255, 255, 0.05) 2px 3px);
  mix-blend-mode: overlay;
}
.atmosphere__vignette {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 28%, rgba(0, 0, 0, var(--vignette-darkness)) 92%);
}

/* -------------------- header / footer -------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  /* surface-1 (#12202E) at ~82% — defines a distinct top panel over the field */
  background: rgba(18, 32, 46, 0.82);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.site-header__brand { display: flex; align-items: center; gap: calc(var(--u) * 1.25); color: var(--stone); }
.site-header__logo { width: 28px; height: 28px; }
.site-footer { border-top: 1px solid var(--stroke); padding: calc(var(--u) * 3) 0; position: relative; z-index: 1; }
.site-footer__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--u);
}

/* -------------------- scan-in (workhorse header reveal) -------------------- */
.scan-in {
  position: relative;
  display: inline-block;
  clip-path: inset(0 calc(100% - var(--scan-progress)) 0 0);
  animation: scan-progress var(--dur-scan) var(--ease-standard) forwards;
}
.scan-in::after {
  content: '';
  position: absolute;
  top: -4px; bottom: -4px;
  left: var(--scan-progress);
  width: 2px;
  background: var(--teal);
  box-shadow: 0 0 16px rgba(0, 209, 199, 0.85);
  animation: scan-fade var(--dur-scan) var(--ease-standard) forwards;
  pointer-events: none;
}
@keyframes scan-progress {
  from { --scan-progress: 0%; }
  to   { --scan-progress: 100%; }
}
@keyframes scan-fade {
  0%, 78% { opacity: 1; }
  100%    { opacity: 0; }
}

/* -------------------- flash -------------------- */
.flash-stack { display: flex; flex-direction: column; gap: var(--u); margin-bottom: calc(var(--u) * 3); }
.flash {
  background: rgba(255, 107, 107, 0.10);
  border: 1px solid rgba(255, 107, 107, 0.5);
  color: var(--stone);
  padding: calc(var(--u) * 1.5) calc(var(--u) * 2);
  font-size: 14px;
}
.flash--info { background: rgba(0, 209, 199, 0.10); border-color: rgba(0, 209, 199, 0.5); }

/* -------------------- buttons -------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: calc(var(--u) * 1.75) calc(var(--u) * 3);
  font-family: var(--font-mono); font-weight: 500; font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 0; border: 1px solid transparent;
  transition: background var(--dur-micro) var(--ease-standard),
              border-color var(--dur-micro) var(--ease-standard),
              transform var(--dur-micro) var(--ease-standard);
  cursor: pointer;
}
.btn--primary {
  background: var(--teal);
  color: var(--on-teal) !important;   /* must win over any inherited link color */
}
.btn--primary:hover { background: var(--teal-bright); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost { border-color: var(--stroke); color: var(--stone); background: transparent; }
.btn--ghost:hover { border-color: var(--teal); color: var(--teal); }
.btn--lg { padding: calc(var(--u) * 2.25) calc(var(--u) * 4); font-size: 14px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

/* -------------------- cards / fields -------------------- */
.card {
  background: var(--charcoal-translucent);
  border: 1px solid var(--stroke);
  padding: calc(var(--u) * 4);
  border-radius: 2px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.field { display: block; margin-bottom: calc(var(--u) * 3); }
.field--readonly {
  background: var(--surface-1-translucent);
  padding: calc(var(--u) * 2);
  border-left: 2px solid var(--steel-blue);
}
.field__label { display: block; margin-bottom: var(--u); color: var(--on-variant); }
.field__optional {
  color: var(--outline);
  text-transform: none; letter-spacing: 0.05em; font-weight: 400;
}
.field__input {
  display: block; width: 100%;
  background: var(--navy-translucent); color: var(--stone);
  border: 1px solid var(--steel-blue); border-radius: 0;
  padding: calc(var(--u) * 1.75) calc(var(--u) * 2);
  font-size: 16px;
  transition: border-color var(--dur-micro) var(--ease-standard),
              box-shadow var(--dur-micro) var(--ease-standard);
}
.field__input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0, 209, 199, 0.22);
  outline: none;
}
.field__input--mono { font-family: var(--font-mono); letter-spacing: 0.05em; font-size: 18px; }
.field__input--area { resize: vertical; min-height: 96px; line-height: 1.6; }
.field__hint { display: block; margin-top: var(--u); }
.field__value { font-size: 16px; color: var(--stone); margin: 0; }

/* -------------------- chip-row -------------------- */
.chip-row { display: flex; flex-wrap: wrap; gap: var(--u); }
.chip {
  display: inline-flex; align-items: center;
  padding: calc(var(--u) * 1.25) calc(var(--u) * 2);
  border: 1px solid var(--steel-blue);
  background: var(--surface-1-translucent);
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-standard);
  font-size: 14px;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip:hover { border-color: var(--teal); }
.chip:has(input:checked) { background: var(--teal); color: var(--on-teal); border-color: var(--teal); }

/* -------------------- confidence cards -------------------- */
.confidence-grid { display: grid; gap: var(--u); grid-template-columns: 1fr; }
@media (min-width: 800px) { .confidence-grid { grid-template-columns: repeat(3, 1fr); } }
.confidence-card {
  display: flex; flex-direction: column; gap: var(--u);
  padding: calc(var(--u) * 2.5);
  border: 1px solid var(--steel-blue);
  background: var(--surface-1-translucent);
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-standard);
}
.confidence-card input { position: absolute; opacity: 0; pointer-events: none; }
.confidence-card:hover { border-color: var(--teal); background: var(--surface-2); }
.confidence-card:has(input:checked) { border-color: var(--teal); background: rgba(0, 209, 199, 0.10); }
.confidence-card__name { font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--stone); }
.confidence-card__hint { color: var(--on-variant); }

/* -------------------- progress trail -------------------- */
.progress-trail { display: flex; gap: 4px; align-items: center; }
.progress-trail__step { position: relative; }
.progress-trail__dot {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--steel-blue);
  background: var(--surface-1-translucent);
  color: var(--on-variant);
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-standard);
}
.progress-trail__step.is-active .progress-trail__dot { border-color: var(--teal); color: var(--teal); }
.progress-trail__step.is-complete .progress-trail__dot { background: var(--teal); color: var(--on-teal); border-color: var(--teal); }
.progress-trail__step + .progress-trail__step::before {
  content: "";
  display: inline-block; width: 16px; height: 1px;
  background: var(--steel-blue);
  vertical-align: middle; margin: 0 4px;
}

/* -------------------- landing (merged Protocol entry page) -------------------- */
.landing { display: grid; gap: calc(var(--u) * 5); align-items: start; padding-top: calc(var(--u) * 6); }
@media (min-width: 900px) {
  .landing { grid-template-columns: 1.2fr 1fr; gap: calc(var(--u) * 8); }
}
.landing__eyebrow { margin-bottom: calc(var(--u) * 2); }
.landing__h1 { margin-bottom: calc(var(--u) * 3); }
.landing__microcopy { color: var(--stone); max-width: 56ch; margin-bottom: calc(var(--u) * 3); }
.landing__meta {
  display: block;
  padding: var(--u) calc(var(--u) * 2);
  border-left: 2px solid var(--teal);    /* teal kinetic-marker, not chrome */
  background: var(--navy-translucent);
  color: var(--on-variant);
  letter-spacing: 0.1em;
  max-width: 56ch;
}
.landing__form { display: flex; flex-direction: column; gap: calc(var(--u) * 2); }
.landing__actions { display: flex; justify-content: flex-end; }

/* -------------------- survey shell -------------------- */
.survey { display: flex; flex-direction: column; gap: calc(var(--u) * 4); }
.survey__header {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: calc(var(--u) * 4);
  padding-bottom: calc(var(--u) * 3);
  border-bottom: 1px solid var(--stroke);
  flex-wrap: wrap;
}
.survey__id { display: flex; flex-direction: column; gap: calc(var(--u) * 0.5); }
.survey__participant { line-height: 1.05; }
.survey__participant-meta { color: var(--on-variant); }

/* -------------------- sections (semi-transparent, field stays visible) -------------------- */
.survey__section {
  display: none;
  background: var(--charcoal-translucent);
  border: 1px solid var(--stroke);
  padding: calc(var(--u) * 5);
  border-radius: 2px;
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
}
.survey__section.is-active { display: block; animation: section-in var(--dur-reveal) var(--ease-standard); }
@keyframes section-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.section__eyebrow { margin-bottom: var(--u); }
.section__h { margin-bottom: calc(var(--u) * 2); }
.section__intro { color: var(--stone); margin-bottom: calc(var(--u) * 4); max-width: 64ch; }
.section__nav {
  display: flex; justify-content: space-between; gap: var(--u);
  margin-top: calc(var(--u) * 5);
  padding-top: calc(var(--u) * 3);
  border-top: 1px solid var(--stroke);
}

/* -------------------- competency scale section -------------------- */
.scale-legend {
  display: grid; gap: var(--u);
  grid-template-columns: 1fr;
  margin-bottom: calc(var(--u) * 4);
  padding: calc(var(--u) * 2);
  background: var(--surface-1-translucent);
  border: 1px solid var(--stroke);
}
@media (min-width: 900px) { .scale-legend { grid-template-columns: repeat(4, 1fr); } }
.scale-legend__item { display: flex; flex-direction: column; gap: 4px; }
.scale-legend__num { font-size: 32px; }
.scale-legend__name { color: var(--stone); }

.comp-list { display: flex; flex-direction: column; gap: calc(var(--u) * 1.5); }
.comp-row {
  display: grid; grid-template-columns: 1fr; gap: var(--u);
  padding: calc(var(--u) * 2.25);
  border: 1px solid var(--stroke);
  background: var(--surface-1-translucent);
}
@media (min-width: 900px) {
  .comp-row { grid-template-columns: 2fr auto; align-items: center; gap: calc(var(--u) * 4); }
}
.comp-row__head { display: flex; flex-direction: column; gap: 4px; }
.comp-row__name { font-family: var(--font-display); font-weight: 600; font-size: 18px; color: var(--stone); }
.comp-row__desc { color: var(--on-variant); }
.comp-row__scale { display: flex; gap: 4px; flex-wrap: wrap; }
.rating {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border: 1px solid var(--steel-blue);
  background: var(--navy-translucent);
  cursor: pointer; transition: all var(--dur-micro) var(--ease-standard);
  font-family: var(--font-mono); font-size: 14px; color: var(--stone);
}
.rating input { position: absolute; opacity: 0; pointer-events: none; }
.rating:hover { border-color: var(--teal); }
.rating:has(input:checked) { background: var(--teal); color: var(--on-teal); border-color: var(--teal); font-weight: 600; }
.rating--na { width: auto; padding: 0 var(--u); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }

/* -------------------- signal questions -------------------- */
.signal-q { border: 0; padding: 0; margin-bottom: calc(var(--u) * 5); }
.signal-q__prompt { display: block; margin-bottom: var(--u); color: var(--stone); }
.signal-q__hint { color: var(--on-variant); margin-bottom: calc(var(--u) * 2); }
.signal-q__options { display: flex; flex-wrap: wrap; gap: var(--u); margin-bottom: var(--u); }
.signal-q__cap { color: var(--outline); }
.signal-q__cap.is-full { color: var(--teal); }
.signal-q__cap.is-over { color: var(--critical); }

.option-chip {
  display: inline-flex; align-items: center;
  padding: calc(var(--u) * 1.5) calc(var(--u) * 2);
  border: 1px solid var(--steel-blue);
  background: var(--surface-1-translucent);
  cursor: pointer; transition: all var(--dur-micro) var(--ease-standard);
  font-size: 14px;
}
.option-chip input { position: absolute; opacity: 0; pointer-events: none; }
.option-chip:hover { border-color: var(--teal); }
.option-chip:has(input:checked) { background: var(--teal); color: var(--on-teal); border-color: var(--teal); }

/* Banner */
.banner {
  display: flex; gap: calc(var(--u) * 2); align-items: flex-start;
  padding: calc(var(--u) * 2); border: 1px solid;
  margin-bottom: calc(var(--u) * 4);
}
.banner--warn { background: rgba(242, 181, 59, 0.10); border-color: rgba(242, 181, 59, 0.55); }
.banner__tag { color: var(--development); white-space: nowrap; }
.banner__body { margin: 0; color: var(--stone); }

/* -------------------- review section -------------------- */
.review { display: flex; flex-direction: column; gap: calc(var(--u) * 3); }
.review-block {
  padding: calc(var(--u) * 2.5);
  background: var(--surface-1-translucent);
  border: 1px solid var(--stroke);
}
.review-block__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: calc(var(--u) * 2); gap: var(--u);
}
.review-block__title { font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--stone); }
.review-block__status { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.review-block__status.is-complete { color: var(--teal); }
.review-block__status.is-partial { color: var(--development); }
.review-block__edit {
  color: var(--teal); font-family: var(--font-mono);
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em;
  cursor: pointer; background: none; border: 0; padding: 0;
}
.review-block__edit:hover { color: var(--teal-bright); }
.review-block__body {
  color: var(--on-variant); font-size: 14px; line-height: 1.6;
  display: flex; flex-direction: column; gap: var(--u);
}
.review-block__kv { display: grid; grid-template-columns: 1fr 2fr; gap: var(--u); }
.review-block__kv dt {
  color: var(--outline); font-family: var(--font-mono);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em;
}
.review-block__kv dd { color: var(--stone); margin: 0; }

.submit-bar {
  display: flex; justify-content: space-between; gap: var(--u);
  margin-top: calc(var(--u) * 4); padding-top: calc(var(--u) * 3);
  border-top: 1px solid var(--stroke);
}
.submit-bar__note { color: var(--on-variant); margin-top: var(--u); text-align: right; }

/* -------------------- state pages -------------------- */
.confirmation, .state-page { max-width: 720px; padding: calc(var(--u) * 6) 0; }
.confirmation__eyebrow, .state-page__eyebrow { margin-bottom: var(--u); }
.confirmation__h1, .state-page__h1 { margin-bottom: calc(var(--u) * 3); }
.confirmation__body, .state-page__body { color: var(--stone); margin-bottom: calc(var(--u) * 3); }
.confirmation__telemetry, .state-page__telemetry {
  display: grid; grid-template-columns: auto 1fr; gap: var(--u) calc(var(--u) * 3);
  padding: calc(var(--u) * 2);
  background: var(--surface-1-translucent);
  border: 1px solid var(--stroke);
  margin-bottom: calc(var(--u) * 3);
}
.confirmation__note, .state-page__contact { color: var(--on-variant); }
.state-page__actions { display: flex; gap: var(--u); margin-bottom: calc(var(--u) * 3); }

/* ============================================================ *
 * v3 diagnostic-console components
 * (protocol intro, phase trail, signal bar, signal tiles,
 *  risk scan + constraints panel, quote cards with fracture,
 *  assumptions/written sub-blocks, "other" reveal input)
 * ============================================================ */

/* -------------------- protocol intro (step 0) -------------------- */
.survey__intro { padding: calc(var(--u) * 7) calc(var(--u) * 6); }
@media (max-width: 700px) { .survey__intro { padding: calc(var(--u) * 5) calc(var(--u) * 3); } }
.protocol-intro { max-width: 60ch; }
.protocol-intro__eyebrow { margin-bottom: var(--u); }
.protocol-intro__title { color: var(--white); margin-bottom: calc(var(--u) * 3); }
.protocol-intro__microcopy { color: var(--stone); margin-bottom: calc(var(--u) * 4); }
.protocol-intro__meta {
  display: block;
  padding: var(--u) calc(var(--u) * 2);
  border-left: 2px solid var(--teal);
  background: var(--navy-translucent);
  margin-bottom: calc(var(--u) * 5);
  color: var(--on-variant);
  letter-spacing: 0.1em;
}
.protocol-intro__cta-row { display: flex; }

/* -------------------- progress bar (replaces the wrapping breadcrumb) -------------------- */
.progress-bar-wrap { padding: calc(var(--u) * 2) 0 0; }
.progress-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  list-style: none; padding: 0; margin: 0;
}
.progress-bar__seg {
  height: 4px;
  border: 0; padding: 0;
  background: var(--steel-blue);
  cursor: pointer;
  transition: background var(--dur-micro) var(--ease-standard),
              box-shadow var(--dur-micro) var(--ease-standard);
}
.progress-bar__seg:hover { background: var(--outline); }
.progress-bar__seg.is-complete { background: var(--teal); }
.progress-bar__seg.is-active {
  background: var(--teal);
  box-shadow: 0 0 12px rgba(0, 209, 199, 0.6);
}
.progress-bar__current {
  display: block;
  margin-top: var(--u);
  color: var(--on-variant);
}

/* -------------------- signal bar (competency ratings, heatmap-graded fill) -------------------- */
.signal-bar {
  display: inline-flex; flex-wrap: wrap; align-items: stretch; gap: 4px;
}
.signal-bar__seg {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 36px;
  border: 1px solid var(--steel-blue);
  background: var(--navy-translucent); color: var(--on-variant);
  cursor: pointer;
  transition: background var(--dur-micro), border-color var(--dur-micro), color var(--dur-micro);
  font-family: var(--font-mono); font-size: 13px;
}
.signal-bar__seg input { position: absolute; opacity: 0; pointer-events: none; }
.signal-bar__seg:hover { border-color: var(--teal); color: var(--stone); }

/* Heatmap-graded fills via :has() — segments 1..N fill when N is selected */
.signal-bar:has(input[value="1"]:checked) .seg--1 { background: var(--heatmap-2); border-color: var(--heatmap-2); color: var(--stone); }
.signal-bar:has(input[value="2"]:checked) .seg--1 { background: var(--heatmap-2); border-color: var(--heatmap-2); color: var(--stone); }
.signal-bar:has(input[value="2"]:checked) .seg--2 { background: var(--heatmap-3); border-color: var(--heatmap-3); color: var(--stone); }
.signal-bar:has(input[value="3"]:checked) .seg--1 { background: var(--heatmap-2); border-color: var(--heatmap-2); color: var(--stone); }
.signal-bar:has(input[value="3"]:checked) .seg--2 { background: var(--heatmap-3); border-color: var(--heatmap-3); color: var(--stone); }
.signal-bar:has(input[value="3"]:checked) .seg--3 { background: var(--heatmap-4); border-color: var(--heatmap-4); color: var(--stone); }
.signal-bar:has(input[value="4"]:checked) .seg--1 { background: var(--heatmap-2); border-color: var(--heatmap-2); color: var(--stone); }
.signal-bar:has(input[value="4"]:checked) .seg--2 { background: var(--heatmap-3); border-color: var(--heatmap-3); color: var(--stone); }
.signal-bar:has(input[value="4"]:checked) .seg--3 { background: var(--heatmap-4); border-color: var(--heatmap-4); color: var(--stone); }
.signal-bar:has(input[value="4"]:checked) .seg--4 {
  background: var(--heatmap-5); border-color: var(--heatmap-5); color: var(--on-teal);
}

.signal-bar__na {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center;
  margin-left: var(--u);
  padding: 0 calc(var(--u) * 1.5);
  height: 36px;
  border: 1px solid var(--outline);
  background: transparent; color: var(--outline);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-standard);
}
.signal-bar__na input { position: absolute; opacity: 0; pointer-events: none; }
.signal-bar__na:hover { border-color: var(--stone); color: var(--stone); }
.signal-bar__na:has(input:checked) {
  border-color: var(--stone); color: var(--stone); background: var(--surface-2);
}
@media (max-width: 700px) {
  .signal-bar__seg { width: 44px; height: 32px; font-size: 12px; }
  .signal-bar__na { font-size: 10px; height: 32px; padding: 0 var(--u); }
}

/* -------------------- signal tile grid -------------------- */
.signal-tile-grid {
  display: grid; gap: var(--u);
  grid-template-columns: 1fr;
  margin-bottom: var(--u);
}
@media (min-width: 720px) { .signal-tile-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .signal-tile-grid--single { grid-template-columns: 1fr 1fr; } }

.signal-tile {
  position: relative;
  display: flex; align-items: center; gap: calc(var(--u) * 1.5);
  padding: calc(var(--u) * 1.75) calc(var(--u) * 2);
  border: 1px solid var(--steel-blue);
  background: var(--surface-1-translucent);
  cursor: pointer;
  transition: all var(--dur-micro) var(--ease-standard);
  font-size: 15px;
  line-height: 1.4;
  color: var(--stone);
  min-height: 56px;
}
.signal-tile input { position: absolute; opacity: 0; pointer-events: none; }
.signal-tile:hover { border-color: var(--teal); }
.signal-tile:has(input:checked) {
  border-color: var(--teal);
  background: rgba(0, 209, 199, 0.06);
}
.signal-tile__text { flex: 1; }
.signal-tile__lock {
  position: absolute;
  top: 6px; right: calc(var(--u) * 1.5);
  color: var(--teal);
  opacity: 0;
  transition: opacity var(--dur-micro) var(--ease-standard);
  font-size: 9px; letter-spacing: 0.15em;
}
.signal-tile:has(input:checked) .signal-tile__lock { opacity: 1; }

/* Risk tile — amber semantics ONLY (data caution color, never elsewhere as chrome) */
.signal-tile--risk:hover { border-color: var(--development); }
.signal-tile--risk:has(input:checked) {
  border-color: var(--development);
  background: rgba(242, 181, 59, 0.08);
}
.signal-tile--risk:has(input:checked) .signal-tile__lock { color: var(--development); }

.signal-tile--decision { font-size: 16px; }

/* Signal counter — live N of cap */
.signal-counter {
  display: block;
  margin-top: var(--u);
  color: var(--outline);
}
.signal-counter.is-full { color: var(--teal); }
.signal-counter.is-over { color: var(--critical); }

/* -------------------- "other" reveal input -------------------- */
.signal-q__other {
  display: none;
  margin-top: calc(var(--u) * 2);
  padding: calc(var(--u) * 2);
  border-left: 2px solid var(--teal);
  background: var(--navy-translucent);
}
.signal-q__other.is-visible {
  display: block;
  animation: section-in var(--dur-transition) var(--ease-standard);
}
.signal-q__other .field { margin: 0; }

/* -------------------- risk scan + constraints panel (Phase 4) -------------------- */
.risk-scan {
  display: grid; gap: calc(var(--u) * 3);
  grid-template-columns: 1fr;
  margin-bottom: calc(var(--u) * 7);
  padding-bottom: calc(var(--u) * 3);
  border-bottom: 1px dashed var(--stroke);
}
@media (min-width: 980px) {
  .risk-scan { grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); align-items: start; }
}
.risk-scan__inner { min-width: 0; }
.risk-scan__header { margin-bottom: calc(var(--u) * 3); }
.risk-scan__eyebrow { margin-bottom: var(--u); }
.risk-scan__title {
  color: var(--stone);
  letter-spacing: 0.04em;
  margin-bottom: calc(var(--u) * 1.5);
}
.risk-scan__microcopy { color: var(--on-variant); max-width: 60ch; }

.constraints-panel {
  border: 1px solid var(--development);
  background: rgba(242, 181, 59, 0.05);
  padding: calc(var(--u) * 2);
}
.constraints-panel__head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: var(--u);
  border-bottom: 1px solid rgba(242, 181, 59, 0.35);
  margin-bottom: calc(var(--u) * 1.5);
}
.constraints-panel__title { color: var(--development); }
.constraints-panel__count {
  font-family: var(--font-display); font-weight: 700; font-size: 28px;
  line-height: 1; color: var(--development);
}
.constraints-panel__list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: var(--u);
}
.constraints-panel__list li {
  padding: calc(var(--u) * 0.75) var(--u);
  border: 1px solid var(--development);
  color: var(--development);
  font-size: 13px;
  line-height: 1.3;
}
.constraints-panel__empty {
  border: 0 !important;
  color: var(--outline) !important;
  padding: var(--u) 0 !important;
}

@media (min-width: 980px) {
  .constraints-panel { position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; }
}
@media (max-width: 979px) {
  .constraints-panel {
    position: fixed; bottom: 0; left: 0; right: 0; top: auto;
    border-left: 0; border-right: 0; border-bottom: 0;
    background: rgba(13, 27, 42, 0.94);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: calc(var(--u) * 1.5) var(--margin-mobile);
    z-index: 50;
    max-height: 70vh;
    transition: max-height var(--dur-transition) var(--ease-standard);
  }
  .constraints-panel__head { cursor: pointer; }
  .constraints-panel:not(.is-expanded) .constraints-panel__list { display: none; }
  .constraints-panel.is-expanded .constraints-panel__list {
    max-height: 50vh; overflow-y: auto;
    padding: var(--u) 0 calc(var(--u) * 2);
  }
}

/* -------------------- assumptions block (Phase 4 signature) -------------------- */
.assumptions-block { margin-top: calc(var(--u) * 4); }
.assumptions-block__head { margin-bottom: calc(var(--u) * 4); }
.assumptions-block__eyebrow { margin-bottom: var(--u); }
.assumptions-block__title {
  color: var(--white);
  margin-bottom: calc(var(--u) * 1.5);
  letter-spacing: 0.02em;
}
.assumptions-block__microcopy {
  color: var(--stone);
  max-width: 62ch;
  font-style: italic;
}

/* Quote card grid */
.quote-card-grid {
  display: grid; gap: var(--u);
  grid-template-columns: 1fr;
}
@media (min-width: 760px) { .quote-card-grid { grid-template-columns: 1fr 1fr; } }

.quote-card {
  position: relative;
  display: block;
  padding: calc(var(--u) * 3) calc(var(--u) * 3) calc(var(--u) * 3) calc(var(--u) * 6);
  border: 1px solid var(--steel-blue);
  background: var(--surface-1-translucent);
  cursor: pointer;
  transition: border-color var(--dur-micro), background var(--dur-micro);
}
.quote-card input { position: absolute; opacity: 0; pointer-events: none; }
.quote-card__mark {
  position: absolute;
  top: calc(var(--u) * 1.25);
  left: calc(var(--u) * 1.5);
  font-family: var(--font-display);
  font-weight: 800;
  font-variation-settings: 'wght' 800, 'wdth' 125;
  font-size: 56px; line-height: 1;
  color: var(--steel-blue);
  transition: color var(--dur-micro);
  user-select: none;
}
.quote-card__text {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.45;
  color: var(--stone);
}
.quote-card__lock {
  display: block;
  margin-top: calc(var(--u) * 2);
  color: var(--teal);
  opacity: 0;
  transition: opacity var(--dur-micro);
}
.quote-card:hover { border-color: var(--teal); }
.quote-card:hover .quote-card__mark { color: var(--teal-deep); }
.quote-card:has(input:checked) {
  border-color: var(--teal);
  background: rgba(0, 209, 199, 0.06);
}
.quote-card:has(input:checked) .quote-card__mark { color: var(--teal); }
.quote-card:has(input:checked) .quote-card__lock { opacity: 1; }

/* Signature fracture animation — used ONLY on quote cards on select */
.quote-card.is-fracturing {
  animation: quote-fracture 320ms cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes quote-fracture {
  0%   { transform: translateX(0); }
  25%  { transform: translateX(-4px); }
  50%  { transform: translateX(5px) skewX(-1deg); }
  75%  { transform: translateX(-2px); }
  100% { transform: translateX(0); }
}

/* -------------------- written block (Phase 5 prose) -------------------- */
.written-block {
  margin-top: calc(var(--u) * 5);
  padding-top: calc(var(--u) * 3);
  border-top: 1px dashed var(--stroke);
}
.written-block__head { margin-bottom: calc(var(--u) * 3); }
.written-block__eyebrow { margin-bottom: var(--u); }
.written-block__title { color: var(--white); margin-bottom: var(--u); letter-spacing: 0.02em; }
.written-block__subtitle { color: var(--on-variant); font-style: italic; }

/* Mobile: room at the bottom of Phase 4 for the sticky constraints panel */
@media (max-width: 979px) {
  .survey__section[data-step="4"] { padding-bottom: calc(var(--u) * 14); }
}

/* -------------------- reduced motion -------------------- */
@media (prefers-reduced-motion: reduce) {
  .atmosphere__field, .atmosphere__scanlines { display: none; }
  .atmosphere__blob { animation: none; opacity: 0.35; }
  .atmosphere__vignette { opacity: 0.6; }
  .scan-in { clip-path: none; animation: none; }
  .scan-in::after { display: none; }
  .survey__section.is-active { animation: none; }
  .quote-card.is-fracturing { animation: none; }
  .signal-q__other.is-visible { animation: none; }
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}