/* 1) PAGE SHELL */

.fix-child-page {
  background: var(--color-bg);
}


/* Inline prose links must be identifiable without relying on color alone. */
.fix-child-page p a,
.fix-child-page li a {
  text-decoration: underline;
  text-underline-offset: 0.14em;
  text-decoration-thickness: 1px;
}

.fix-child-page p a:hover,
.fix-child-page li a:hover {
  text-decoration-thickness: 2px;
}


/* 2) HERO / QUICK GATE */

.fix-child-hero,
.fix-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.fix-child-hero::before,
.fix-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--color-gold);
}

.fix-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.fix-breadcrumb a {
  color: var(--color-text-muted);
}

.fix-breadcrumb a:hover {
  color: var(--color-royal);
}

.fix-child-hero-grid,
.fix-hero-grid {
  display: grid;
  gap: var(--space-6);
  align-items: stretch;
}

.fix-child-hero-copy,
.fix-hero-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.fix-child-hero-copy h1,
.fix-hero-main h1,
.fix-hero-meat h1 {
  margin-bottom: var(--space-5);
  font-size: var(--font-size-hero);
}

.fix-hero-lead,
.fix-hero-main .lead,
.fix-hero-meat .lead {
  margin-bottom: var(--space-6);
  color: var(--color-text-muted);
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.fix-hero-meta {
  margin: calc(var(--space-3) * -1) 0 var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  font-weight: 700;
  line-height: 1.5;
}

.fix-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.fix-quick-gate,
.fix-hero-aside {
  border-top: 4px solid var(--color-gold);
}

.fix-quick-gate {
  align-self: center;
}

.fix-quick-gate h2 {
  margin-bottom: var(--space-3);
  font-size: var(--font-size-h3);
}

.fix-quick-gate p,
.fix-hero-aside p {
  color: var(--color-text-muted);
}

.fix-quick-gate .bullet-list {
  margin-top: var(--space-4);
}

.fix-quick-gate .bullet-list strong,
.fix-hero-aside strong {
  color: var(--color-text);
}

.fix-hero-aside ul {
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
}

.fix-hero-aside li + li {
  margin-top: var(--space-2);
}

@media (min-width: 920px) {
  .fix-child-hero-grid,
  .fix-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.8fr);
  }
}


/* 3) SHARED SECTION FRAMING */

.fix-section-header {
  margin-bottom: var(--space-8);
}

.fix-section-header h2 {
  margin-bottom: var(--space-3);
}

.fix-section-intro {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.7;
}

/* Optional stack utilities retained for older Fix child markup. */
.stack {
  display: flex;
  flex-direction: column;
}

.gap-l { row-gap: var(--space-6); }
.gap-m { row-gap: var(--space-4); }
.gap-s { row-gap: var(--space-3); }


/* 4) QUICK CHECKS / PREFLIGHT CARDS */

.fix-quick-checks,
.fix-article {
  background: var(--color-bg);
}

.fix-check-grid {
  display: grid;
  gap: var(--space-4);
}

.fix-check-card,
.fix-preflight-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.fix-check-card h3,
.fix-check-card p,
.fix-preflight-card p {
  margin: 0;
}

.fix-check-card p,
.fix-preflight-card p {
  color: var(--color-text-muted);
}

.fix-check-card .pill {
  width: fit-content;
}

.fix-card-action {
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 700;
}

.fix-card-action--split {
  display: grid;
  gap: var(--space-2);
  font-weight: 400;
}

.fix-card-action--split p {
  margin: 0;
  color: var(--color-text);
  font-size: var(--font-size-small);
  font-weight: 400;
  line-height: 1.5;
}

.fix-card-action--split strong {
  font-weight: 700;
}

.fix-preflight-card {
  border-top: 4px solid var(--color-gold);
}

.fix-preflight-card .eyebrow {
  margin-bottom: 0;
}

.fix-preflight-card ul {
  margin: 0;
  padding-left: 1.25rem;
}

.fix-preflight-card li + li {
  margin-top: var(--space-2);
}

.fix-receipt {
  margin-top: var(--space-6);
  border-left: 4px solid var(--color-gold);
}

.fix-receipt p:last-child {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

@media (min-width: 860px) {
  .fix-check-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}


/* 5) DIAGNOSTIC FLAGSHIP SECTION */

.fix-start-section {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  border-top: 1px solid var(--color-border-dark-strong);
  border-bottom: 1px solid var(--color-border-dark-strong);
}

.fix-start-shell {
  display: grid;
  gap: var(--space-6);
}

.fix-start-header {
  display: grid;
  gap: var(--space-3);
}

.fix-start-header .eyebrow {
  margin-bottom: 0;
}

.fix-start-header h2 {
  margin-bottom: 0;
  color: var(--color-text-on-dark);
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.08;
}

.fix-start-lead {
  margin-bottom: 0;
  color: var(--color-text-muted-on-dark);
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.75;
}

.fix-start-proof {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--color-panel-dark-border);
  border-radius: var(--radius);
  background: var(--color-card-dark);
  box-shadow: var(--shadow-sm);
}

.fix-proof-rule,
.fix-proof-test {
  display: grid;
  gap: var(--space-2);
}

.fix-proof-rule .small-heading,
.fix-proof-test .small-heading,
.fix-path-intro .small-heading {
  margin-bottom: 0;
  color: var(--color-gold);
}

.fix-proof-rule p,
.fix-proof-test p,
.fix-path-intro p {
  margin-bottom: 0;
}

.fix-proof-test a {
  color: var(--color-gold);
  font-weight: 700;
}

.fix-proof-test a:hover {
  color: var(--color-text-on-dark);
}

.fix-proof-rule p:last-child {
  color: var(--color-text-on-dark);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.fix-proof-test ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--color-text-muted-on-dark);
  font-size: var(--font-size-small);
  line-height: 1.55;
}

.fix-proof-test li + li {
  margin-top: var(--space-1);
}

.fix-path-zone {
  display: grid;
  gap: var(--space-4);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-dark);
}

.fix-path-intro {
  display: grid;
  gap: var(--space-2);
}

.fix-path-intro p:not(.small-heading) {
  color: var(--color-text-muted-on-dark);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.fix-path-grid {
  display: grid;
  gap: var(--space-4);
  align-items: stretch;
}

.fix-path-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  height: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-panel-dark-border);
  border-radius: var(--radius);
  background: var(--color-card-dark);
  box-shadow: var(--shadow-sm);
}

.fix-path-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: 0;
  color: var(--color-text-muted-on-dark);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.fix-path-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 1.55rem;
  border: 1.5px solid var(--color-gold-border);
  border-radius: var(--radius-pill);
  background: var(--color-gold-tint-dark);
  color: var(--color-gold);
  font-size: 0.72rem;
  line-height: 1;
}

.fix-path-card h3 {
  margin-bottom: 0;
  color: var(--color-text-on-dark);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
}

.fix-path-card p:not(.fix-path-label):not(.fix-path-check) {
  margin-bottom: 0;
  color: var(--color-text-muted-on-dark);
  font-size: var(--font-size-small);
  line-height: 1.65;
}

.fix-path-check {
  margin-top: auto;
  margin-bottom: 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-dark-soft);
  color: var(--color-text-on-dark);
  font-size: var(--font-size-small);
  font-weight: 700;
  line-height: 1.55;
}

.fix-path-check a {
  color: var(--color-gold);
}

.fix-path-check a:hover {
  color: var(--color-text-muted-on-dark);
}

.fix-path-handoff {
  border-color: var(--color-gold-border);
}

.fix-path-handoff .fix-path-label {
  color: var(--color-gold);
}

.fix-path-handoff .fix-path-check {
  border-top-color: var(--color-gold-border);
}

@media (min-width: 760px) {
  .fix-start-proof {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
    column-gap: var(--space-6);
  }

  .fix-proof-test {
    padding-left: var(--space-5);
    border-left: 1px solid var(--color-border-dark-soft);
  }

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


/* 6) FAILURE-MODE CALLOUT */

.fix-failure-mode {
  background: var(--color-bg);
}

.fix-failure-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
}

.fix-failure-heading {
  display: grid;
  gap: var(--space-2);
}

.fix-failure-heading .eyebrow,
.fix-failure-heading h2 {
  margin-bottom: 0;
}

.fix-failure-card > p {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.7;
}

.fix-failure-next {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

/* 7) STEP SEQUENCE */

.fix-step-lab {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.fix-step-lab-shell {
  display: grid;
  gap: var(--space-8);
}

.fix-step-lab-header {
  display: grid;
  gap: var(--space-5);
  align-items: stretch;
}

.fix-step-lab-copy {
  display: grid;
  gap: var(--space-3);
  align-content: center;
}

.fix-step-lab-copy .eyebrow,
.fix-step-lab-copy h2,
.fix-step-lab-lead {
  margin-bottom: 0;
}

.fix-step-lab-lead {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.7;
}

.fix-step-lab-rule {
  display: grid;
  align-content: center;
  border-top: 4px solid var(--color-gold);
  padding: var(--space-5);
}

.fix-step-lab-rule .small-heading {
  margin-bottom: var(--space-2);
}

.fix-step-lab-rule p:not(.small-heading) {
  margin-bottom: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.65;
}

.fix-step-flow {
  position: relative;
  display: grid;
  gap: var(--space-4);
}

.fix-step-flow::before {
  content: "";
  position: absolute;
  top: var(--space-5);
  bottom: var(--space-5);
  left: calc(var(--space-5) + 1.225rem);
  width: 2px;
  background: linear-gradient(
    180deg,
    var(--color-gold),
    var(--color-royal),
    var(--color-border-mid)
  );
  opacity: 0.45;
  border-radius: var(--radius-pill);
  pointer-events: none;
}

.fix-step-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.fix-step-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: transparent;
}

.fix-step-card--priority {
  border-color: var(--color-border-mid);
}

.fix-step-card--priority::before {
  background: var(--color-gold);
}

.fix-step-card--decision {
  border-color: var(--color-border-mid);
  background: var(--color-card);
}

.fix-step-card--decision::before {
  background: var(--color-dark);
}

.fix-step-marker {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: var(--radius-pill);
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1;
  box-shadow: 0 0 0 4px var(--color-card);
}

.fix-step-card--priority .fix-step-marker {
  background: var(--color-gold);
  color: var(--color-dark);
}

.fix-step-card--decision .fix-step-marker {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
}

.fix-step-card-body {
  display: grid;
  gap: var(--space-4);
  min-width: 0;
}

.fix-step-copy {
  display: grid;
  gap: var(--space-2);
}

.fix-step-kicker {
  margin: 0;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.fix-step-copy h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.fix-step-copy p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.7;
}

.fix-step-action {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

.fix-step-action .small-heading {
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.fix-step-action ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.65;
}

.fix-step-action li + li {
  margin-top: var(--space-2);
}

.fix-step-action--split {
  display: grid;
  gap: var(--space-4);
}

.fix-step-result {
  align-content: center;
  text-align: center;
  margin: 0;
  padding: var(--space-4);
  border: 1.5px solid var(--color-gold-border);
  border-radius: var(--radius);
  background: var(--color-gold-tint);
  color: var(--color-text);
  font-size: var(--font-size-small);
  font-weight: 700;
  line-height: 1.6;
}

.fix-step-result a {
  color: var(--color-royal);
}

.fix-step-result a:hover {
  color: var(--color-royal-hover);
}

.fix-step-card--decision .fix-step-result {
  border-color: var(--color-royal);
  background: var(--color-royal-light);
}

.fix-step-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-royal);
  border-radius: var(--radius);
  background: var(--color-card);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

.fix-step-note a {
  font-weight: 700;
}

.fix-step-context {
  grid-column: 1 / -1;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  border-left: 2px solid var(--color-gold-border);
  border-radius: var(--radius);
  background: var(--color-card);
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
  line-height: 1.6;
}

@media (min-width: 760px) {
  .fix-step-lab-header {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
    column-gap: var(--space-8);
  }

  .fix-step-card {
    padding: var(--space-6);
  }

  .fix-step-flow::before {
    left: calc(var(--space-6) + 1.225rem);
  }

  .fix-step-action--split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .fix-step-card-body {
    grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
    grid-template-areas:
      "copy copy"
      "action result";
    align-items: stretch;
    column-gap: var(--space-4);
    row-gap: var(--space-4);
  }

  .fix-step-copy {
    grid-area: copy;
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
  }

  .fix-step-action {
    grid-area: action;
  }

  .fix-step-result {
    grid-area: result;
  }

  .fix-step-card--wide-action .fix-step-card-body {
    grid-template-columns: 1fr;
    grid-template-areas:
      "copy"
      "action"
      "result";
  }

  .fix-step-card--wide-action .fix-step-copy {
    padding-bottom: 0;
    border-bottom: 0;
  }
}

@media (max-width: 640px) {
  .fix-step-lab-header {
    gap: var(--space-4);
  }

  .fix-step-flow::before {
    display: none;
  }

  .fix-step-card {
    grid-template-columns: 1fr;
  }

  .fix-step-marker {
    box-shadow: none;
  }
}

/* 8) MOBILE ADJUSTMENTS */

@media (max-width: 640px) {
  .fix-hero-actions,
  .fix-cta-row {
    flex-direction: column;
  }

  .fix-hero-actions .btn-main,
  .fix-hero-actions .btn-outline,
  .fix-cta-row .btn-main,
  .fix-cta-row .btn-outline {
    width: 100%;
  }

  .fix-step-card,
  .step-section,
  .fix-failure-card {
    padding: var(--space-5);
  }

  .fix-step-topline {
    align-items: flex-start;
  }

  .fix-step-tags,
  .step-meta {
    width: 100%;
  }
}