.business-case { background: var(--be-sand); }
.business-hero { padding: clamp(7.5rem, 12vw, 10rem) 0 clamp(4rem, 8vw, 6rem); }
.business-hero__inner { max-width: 58rem; }
.business-hero h1 { margin: .75rem 0 1.5rem; max-width: 48rem; }
.business-hero__support { color: var(--be-navy-200); font-size: 1.08rem; max-width: 52rem; }
.business-hero .button { margin: 2rem 0 1.25rem; }
.business-hero .source-label { color: var(--be-navy-200); max-width: 52rem; }
.business-hero .source-label a { color: var(--be-bright-aqua); text-decoration: underline; text-underline-offset: .2em; }

.business-metrics,
.board-choices,
.results-summary {
  background: var(--be-border);
  border: 1px solid var(--be-border);
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2.5rem;
}
.business-metrics div,
.board-choices article,
.results-summary div { background: var(--be-sand); padding: clamp(1.25rem, 3vw, 2rem); }
.business-metrics dt { color: var(--be-navy); font-family: var(--be-font-display); font-size: clamp(1.75rem, 4vw, 2.6rem); font-weight: var(--be-fw-display); }
.business-metrics dd { color: var(--be-navy-500); margin-top: .65rem; }
.evidence-caveat { border-left: 4px solid var(--be-terracotta); margin-top: 2rem; max-width: 58rem; padding: .25rem 0 .25rem 1.25rem; }
.diagnostic-bridge { background: var(--be-navy); color: var(--be-sand); font-weight: var(--be-fw-body-strong); margin-top: 2rem; max-width: 64rem; padding: 1.4rem; }

.business-levers,
.capacity-grid { display: grid; gap: 1px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2.5rem; background: var(--be-border); border: 1px solid var(--be-border); }
.business-levers article,
.capacity-grid article { background: var(--be-sand); padding: clamp(1.5rem, 3vw, 2.25rem); }
.business-levers .formula { border-top: 1px solid var(--be-border); color: var(--be-navy); font-family: var(--be-font-display); font-weight: var(--be-fw-display); margin-top: 1.5rem; padding-top: 1rem; }

.cohort-bridge { margin-top: 2.5rem; }
.cohort-bridge ol { display: grid; gap: 1px; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.cohort-bridge li { background: var(--be-pale-aqua); color: var(--be-navy); min-height: 10rem; padding: 1.25rem; position: relative; }
.cohort-bridge li:not(:last-child)::after { color: var(--be-terracotta); content: '\2192'; font-size: 1.3rem; position: absolute; right: -.8rem; top: 50%; z-index: 1; }
.cohort-bridge li strong,
.cohort-bridge li span { display: block; }
.cohort-bridge li strong { font-family: var(--be-font-display); font-size: clamp(1.35rem, 3vw, 2rem); }
.cohort-bridge li span { font-size: .78rem; margin-top: .75rem; }
.cohort-bridge__result { border: 2px solid var(--be-terracotta); color: var(--be-sand); margin-top: 1px; padding: 1.5rem; }
.cohort-bridge__result strong { color: var(--be-bright-aqua); font-family: var(--be-font-display); font-size: clamp(1.6rem, 4vw, 2.5rem); margin-right: .35rem; }
.cohort-bridge figcaption { color: var(--be-navy-200); font-size: .75rem; margin-top: 1rem; max-width: 60rem; }

.capacity-grid h3 { margin-bottom: .75rem; }

.board-choices { margin-bottom: 1.5rem; }
.board-choices h3 { color: var(--be-terracotta); letter-spacing: .08em; margin-bottom: .75rem; }
.choice-qualifier { font-weight: var(--be-fw-body-strong); }

.calculator-section .section-lead { margin-bottom: 2.5rem; }
.calculator-input-summary { border-left: 4px solid var(--be-teal); margin: -1rem 0 2rem; padding: .5rem 0 .5rem 1.25rem; }
.calculator-input-summary summary { color: var(--be-navy); cursor: pointer; font-weight: var(--be-fw-body-strong); }
.calculator-input-summary ul { list-style: disc; margin: 1rem 0 0 1.25rem; }
.calculator-input-summary li { color: var(--be-navy-500); font-size: .82rem; margin-top: .35rem; }
.business-calculator { border: 1px solid var(--be-border); }
.business-calculator fieldset { border: 0; margin: 0; padding: clamp(1.25rem, 4vw, 2.5rem); }
.business-calculator fieldset + fieldset { border-top: 1px solid var(--be-border); }
.business-calculator legend { color: var(--be-navy); font-family: var(--be-font-display); font-size: 1.35rem; font-weight: var(--be-fw-display); padding-top: 1.5rem; }
.form-guidance { color: var(--be-navy-500); font-size: .85rem; margin-bottom: 1.5rem; }
.calculator-inputs { display: grid; gap: 1.25rem 1.5rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field--wide { grid-column: 1 / -1; }
.field label { color: var(--be-navy); display: block; font-size: .78rem; font-weight: var(--be-fw-body-strong); margin-bottom: .4rem; }
.field input,
.field select { background: var(--be-pale-aqua); border: 1px solid var(--be-border); border-radius: 0; color: var(--be-navy); font: inherit; min-height: 3rem; padding: .7rem .8rem; width: 100%; }
.field input:focus,
.field select:focus { border-color: var(--be-teal); outline: 2px solid var(--be-bright-aqua); outline-offset: 2px; }
.field input[aria-invalid="true"] { border-color: var(--be-terracotta); outline-color: var(--be-terracotta); }
.field-help { color: var(--be-navy-500); font-size: .72rem; margin-top: .4rem; }
.field-error { color: var(--be-navy); font-size: .76rem; font-weight: var(--be-fw-body-strong); margin-top: .35rem; min-height: 1.1em; }
.field-error:not(:empty)::before { color: var(--be-terracotta); content: '\25A0'; margin-right: .35rem; }
.business-calculator > .button { margin: 0 clamp(1.25rem, 4vw, 2.5rem) clamp(1.5rem, 4vw, 2.5rem); }

.calculator-results { background: var(--be-navy); color: var(--be-sand); margin-top: 2rem; padding: clamp(1.5rem, 4vw, 2.5rem); }
.calculator-results h3 { color: var(--be-sand); }
.results-status { color: var(--be-navy-200); margin-top: .5rem; }
.results-summary { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 1.5rem; }
.results-summary div { background: var(--be-navy-900); }
.results-summary dt { color: var(--be-navy-200); font-size: .7rem; }
.results-summary dd { color: var(--be-bright-aqua); font-family: var(--be-font-display); font-size: 1.35rem; font-weight: var(--be-fw-display); margin-top: .5rem; }

/* The formula transparency line (kept when the visual bridge was removed,
   owner feedback 2026-07-16 round 2). */
.value-formulas { color: var(--be-navy-500); font-size: 1rem; margin-top: 2rem; max-width: 60rem; }

.upside-panel { background: var(--be-pale-aqua); border: 2px solid var(--be-teal); margin-top: 2rem; padding: clamp(1.25rem, 3vw, 2rem); }
.upside-panel strong { color: var(--be-navy); font-family: var(--be-font-display); font-size: 2rem; }
.upside-panel p + p { color: var(--be-navy-500); font-size: .75rem; margin-top: .75rem; }

@media (max-width: 850px) {
  .cohort-bridge ol { grid-template-columns: 1fr; }
  .cohort-bridge li { min-height: auto; }
  .cohort-bridge li:not(:last-child)::after { bottom: -.8rem; left: 50%; right: auto; top: auto; transform: rotate(90deg); }
  .results-summary,
}

@media (max-width: 640px) {
  .business-metrics,
  .board-choices,
  .business-levers,
  .capacity-grid,
  .calculator-inputs,
  .results-summary,
  .field--wide { grid-column: auto; }
}

/* ══════════════════════════════════════════════════════════════
   DIRECTION B — "THE INSTRUMENT" (Business Case rollout)
   Additive: every rule above is retained; rules below extend or
   override only classes used by cfo-model.html. All colours resolve
   to --be-* brand tokens (tints via color-mix of tokens only).
   ══════════════════════════════════════════════════════════════ */

/* ─── Hero ─────────────────────────────────────────────────── */
.business-hero .be-source { color: var(--be-navy-200); max-width: 62ch; }
.business-hero .be-source a { color: var(--be-bright-aqua); }

/* ─── Baseline readouts (was a three-box metric grid) ──────── */
.business-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: transparent;
  border: 0;
  border-top: 2px solid var(--be-navy);
  margin-top: 2.5rem;
}
.business-metrics div {
  background: transparent;
  padding: 1.75rem 1.5rem 1.5rem 0;
  border-bottom: 1px solid var(--be-navy-100);
}
.business-metrics div + div { border-left: 1px solid var(--be-navy-100); padding-left: 1.5rem; }
.business-metrics dt {
  font-family: var(--be-font-display);
  font-weight: var(--be-fw-display);
  /* Owner feedback 2026-07-15 (B1): the range figures must sit on one line;
     capped a step smaller so the longest range fits its column. */
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  line-height: 0.95;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.business-metrics dd { color: var(--be-navy-700); font-size: 1rem; margin-top: 0.9rem; }
.evidence-caveat {
  border-left: 3px solid var(--be-terracotta);
  font-size: 1rem;
  color: var(--be-navy-700);
  margin-top: 2rem;
  max-width: 68ch;
  padding: 0.35rem 0 0.35rem 1.25rem;
}
.diagnostic-bridge {
  background: var(--be-navy);
  color: var(--be-sand);
  font-family: var(--be-font-display);
  font-weight: var(--be-fw-display-light);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.45;
  margin-top: 2rem;
  max-width: 70ch;
  padding: 1.5rem 1.6rem;
}

/* ─── Levers and capacity ──────────────────────────────────── */
.business-levers, .capacity-grid {
  gap: 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--be-navy-100);
  margin-top: 2.5rem;
}
.business-levers article, .capacity-grid article {
  background: transparent;
  border-bottom: 1px solid var(--be-navy-100);
  padding: 1.75rem 2rem 1.75rem 0;
}
.business-levers article + article, .capacity-grid article + article {
  border-left: 1px solid var(--be-navy-100);
  padding-left: 2rem;
}
.business-levers .eyebrow, .capacity-grid h3 {
  font-family: var(--be-font-body);
  font-size: 0.75rem;
  font-weight: var(--be-fw-body-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--be-teal);
  margin-bottom: 0.9rem;
}
.business-levers p, .capacity-grid p { color: var(--be-navy-700); }
.business-levers .formula {
  border-top: 1px solid var(--be-navy-100);
  color: var(--be-navy);
  font-family: var(--be-font-body);
  font-size: 1rem;
  font-weight: var(--be-fw-body-bold);
  letter-spacing: 0.04em;
  margin-top: 1.5rem;
  padding-top: 1rem;
}

/* ─── Illustrative cohort bridge (gauged stations) ─────────── */
.cohort-bridge { margin-top: 2.5rem; }
.cohort-bridge ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  list-style: none;
}
.cohort-bridge li {
  background: transparent;
  color: var(--be-text-on-dark);
  min-height: 0;
  padding: 0 1.25rem 0 0;
}
.cohort-bridge li:last-child { padding-right: 0; }
/* The literal text arrow goes: the gauge itself carries the direction. */
.cohort-bridge li:not(:last-child)::after { content: none; }
.cohort-bridge li::before {
  content: "";
  display: block;
  height: 8px;
  margin-bottom: 1.1rem;
  background-color: color-mix(in srgb, var(--be-sand) 16%, transparent);
  background-image: linear-gradient(to right, var(--be-bright-aqua) 0, var(--be-bright-aqua) 100%);
  background-repeat: no-repeat;
  background-size: var(--bar, 0%) 100%;
  background-position: left center;
}
/* Range station: solid to the low bound, translucent on to the high bound. */
.cohort-bridge__range::before {
  background-image:
    linear-gradient(to right, var(--be-bright-aqua) 0, var(--be-bright-aqua) 100%),
    linear-gradient(to right, color-mix(in srgb, var(--be-bright-aqua) 40%, transparent) 0, color-mix(in srgb, var(--be-bright-aqua) 40%, transparent) 100%);
  background-size: var(--bar, 0%) 100%, var(--bar-high, 0%) 100%;
  background-position: left center, left center;
}
.cohort-bridge li strong {
  font-family: var(--be-font-display);
  font-weight: var(--be-fw-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1;
  display: block;
  color: var(--be-sand);
}
.cohort-bridge li span {
  display: block;
  font-size: 0.85rem;
  margin-top: 0.75rem;
  color: color-mix(in srgb, var(--be-sand) 82%, var(--be-navy));
}
.cohort-bridge__result {
  border: 0;
  border-top: 2px solid var(--be-terracotta);
  color: var(--be-sand);
  font-size: 1.05rem;
  margin-top: 2rem;
  padding: 1.35rem 0 0;
  max-width: 70ch;
}
.cohort-bridge__result strong {
  color: var(--be-terracotta);
  font-family: var(--be-font-display);
  font-weight: var(--be-fw-display);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  margin-right: 0.5rem;
}
.cohort-bridge figcaption {
  color: var(--be-navy-200);
  font-size: 0.82rem;
  margin-top: 1.25rem;
  max-width: 80ch;
}

.board-choices {
  gap: 0;
  background: transparent;
  border: 0;
  border-top: 2px solid var(--be-navy);
  margin-bottom: 1.5rem;
}
.board-choices article {
  background: transparent;
  border-bottom: 1px solid var(--be-navy-100);
  padding: 1.75rem 1.5rem 1.75rem 0;
}
.board-choices article + article { border-left: 1px solid var(--be-navy-100); padding-left: 1.5rem; }
.board-choices h3 {
  color: var(--be-navy);
  font-family: var(--be-font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: var(--be-fw-display);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}
.board-choices p { color: var(--be-navy-700); }
.choice-qualifier { color: var(--be-navy-700); font-weight: var(--be-fw-body-strong); }

/* ─── Calculator — instrument panel ────────────────────────── */
.calculator-input-summary { border-left: 3px solid var(--be-teal); margin: 0 0 2.5rem; padding: 0.5rem 0 0.5rem 1.25rem; }
.calculator-input-summary summary { font-size: 1rem; }
.calculator-input-summary li { color: var(--be-navy-700); font-size: 1rem; }
.business-calculator { border: 1px solid var(--be-navy-200); background: var(--be-bg-page); }
.business-calculator fieldset + fieldset { border-top: 1px solid var(--be-navy-200); }
.business-calculator legend {
  font-family: var(--be-font-display);
  font-weight: var(--be-fw-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  /* A legend renders inside the fieldset's border area by default, which
     breaks the divider line through the heading text. Floating it moves it
     fully below the border. */
  float: left;
  width: 100%;
  padding-top: 1.5rem;
}
.business-calculator legend + * { clear: both; }
.form-guidance { color: var(--be-navy-700); font-size: 1rem; margin-bottom: 1.5rem; }
/* Labels, guidance and help are prose the user must read to answer
   correctly, so they sit on the 16px body floor — not below it. */
.field label {
  font-family: var(--be-font-body);
  font-size: 1rem;
  font-weight: var(--be-fw-body-strong);
  margin-bottom: 0.5rem;
}
.field input, .field select {
  background: var(--be-sand);
  border: 1px solid var(--be-navy-200);
  font-variant-numeric: tabular-nums;
  min-height: 44px;
}
.field input:focus, .field select:focus { border-color: var(--be-teal); outline: 3px solid var(--be-bright-aqua); outline-offset: 2px; }
.field-help { color: var(--be-navy-700); font-size: 1rem; margin-top: 0.5rem; }
.field-error { font-size: 1rem; }

/* ─── Results readout ──────────────────────────────────────── */
.calculator-results { background: var(--be-navy); color: var(--be-sand); margin-top: 2rem; }
.calculator-results h3 {
  font-family: var(--be-font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: var(--be-fw-display);
}
.results-status { color: var(--be-navy-200); font-size: 1rem; }
.results-summary {
  gap: 0;
  background: transparent;
  border: 0;
  border-top: 1px solid color-mix(in srgb, var(--be-sand) 20%, transparent);
  margin-top: 1.75rem;
}
.results-summary div {
  background: transparent;
  border-bottom: 1px solid color-mix(in srgb, var(--be-sand) 16%, transparent);
  padding: 1.25rem 1.25rem 1.25rem 0;
}
.results-summary dt { color: var(--be-navy-200); font-size: 0.82rem; letter-spacing: 0.04em; }
.results-summary dd {
  color: var(--be-bright-aqua);
  font-family: var(--be-font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  font-weight: var(--be-fw-display);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-top: 0.6rem;
}

.upside-panel {
  background: transparent;
  border: 1px solid var(--be-navy-200);
  border-left: 3px solid var(--be-teal);
  margin-top: 2rem;
  padding: clamp(1.25rem, 3vw, 1.85rem);
}
.upside-panel h3 { font-family: var(--be-font-display); font-size: 1.15rem; font-weight: var(--be-fw-display); }
.upside-panel strong {
  font-family: var(--be-font-display);
  font-weight: var(--be-fw-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-variant-numeric: tabular-nums;
}
.upside-panel p + p { color: var(--be-navy-500); font-size: 0.85rem; }

@media (max-width: 900px) {
  .business-metrics, .board-choices { grid-template-columns: 1fr; border-top: 0; }
  .business-metrics div, .board-choices article { border-top: 2px solid var(--be-navy); padding: 1.5rem 0; }
  .business-metrics div + div, .board-choices article + article { border-left: 0; padding-left: 0; }
  .business-levers article + article, .capacity-grid article + article { border-left: 0; padding-left: 0; }
  .business-levers article, .capacity-grid article { padding-right: 0; }
  .cohort-bridge ol { grid-template-columns: 1fr; }
  .cohort-bridge li { padding: 1.25rem 0; border-top: 1px solid color-mix(in srgb, var(--be-sand) 16%, transparent); }
  .cohort-bridge li:first-child { border-top: 0; }
  .cohort-bridge li::before { margin-bottom: 0.9rem; }
}