/* Homepage */
.b4-home {
  background: var(--b4-color-canvas);
}

.b4-home-hero {
  padding: var(--b4-space-20) 0 var(--b4-space-16);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-home-hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(22rem, 0.7fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
}

.b4-home-positioning h1 {
  max-width: 55rem;
  margin: var(--b4-space-4) 0 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-10);
  font-weight: 400;
  line-height: 1.02;
}

.b4-home-intro > p {
  max-width: 36rem;
  margin-bottom: var(--b4-space-6);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-5);
}

.b4-output-contract {
  display: grid;
  gap: var(--b4-space-3);
  margin: var(--b4-space-8) 0 0;
  padding-top: var(--b4-space-5);
  border-top: 1px solid var(--b4-color-border);
}

.b4-output-contract > div {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: var(--b4-space-4);
}

.b4-output-contract dt {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-output-contract dd {
  margin: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-product-preview {
  margin-top: var(--b4-space-16);
  overflow: hidden;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-3);
  background: var(--b4-color-canvas-raised);
  box-shadow: var(--b4-shadow-tool);
}

.b4-product-bar {
  display: grid;
  min-height: 3.5rem;
  grid-template-columns: 13rem minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--b4-space-6);
  padding: 0 var(--b4-space-5);
  border-bottom: 1px solid var(--b4-color-border);
  background: #0d1011;
}

.b4-product-brand {
  font-size: var(--b4-text-3);
}

.b4-product-brand .b4-mark {
  width: 1.4rem;
  height: 1.4rem;
}

.b4-product-bar nav {
  display: flex;
  min-width: 0;
  align-items: stretch;
  gap: var(--b4-space-5);
  align-self: stretch;
}

.b4-product-bar nav span {
  display: inline-flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 650;
}

.b4-product-bar nav span.is-active {
  border-color: var(--b4-color-accent);
  color: var(--b4-color-text);
}

.b4-product-state {
  display: inline-flex;
  align-items: center;
  gap: var(--b4-space-2);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
  font-weight: 700;
}

.b4-preview-layout {
  display: grid;
  grid-template-columns: minmax(17rem, 0.78fr) minmax(26rem, 1.45fr) minmax(18rem, 0.88fr);
  min-height: 40rem;
}

.b4-preview-layout > * {
  min-width: 0;
  padding: var(--b4-space-6);
}

.b4-preview-analysis,
.b4-preview-memo {
  border-left: 1px solid var(--b4-color-border);
}

.b4-surface-heading {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--b4-space-2);
  margin-bottom: var(--b4-space-8);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-surface-heading > span {
  color: var(--b4-color-accent);
  font-weight: 800;
}

.b4-surface-heading strong {
  color: var(--b4-color-text);
  font-size: var(--b4-text-1);
}

.b4-surface-heading small {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 650;
}

.b4-preview-company {
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-preview-brief > h2,
.b4-preview-memo > h2 {
  margin-bottom: var(--b4-space-6);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
  line-height: var(--b4-leading-snug);
}

.b4-definition-list {
  margin: 0;
  border-top: 1px solid var(--b4-color-border);
}

.b4-definition-list > div {
  padding: var(--b4-space-4) 0;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-definition-list dt {
  margin-bottom: var(--b4-space-1);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 700;
  text-transform: uppercase;
}

.b4-definition-list dd {
  margin: 0;
  color: var(--b4-color-text);
  font-size: var(--b4-text-2);
  font-weight: 600;
  line-height: 1.45;
}

.b4-evidence-summary {
  margin-top: var(--b4-space-6);
  padding: var(--b4-space-4);
  border-left: 2px solid var(--b4-color-info);
  background: rgba(138, 180, 248, 0.06);
}

.b4-evidence-summary > span,
.b4-memo-callout > span,
.b4-next-test > span {
  display: block;
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-evidence-summary p {
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-evidence-summary small {
  color: var(--b4-color-info);
  font-size: var(--b4-text-1);
}

.b4-preview-signal {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--b4-space-6);
  border-block: 1px solid var(--b4-color-border);
}

.b4-preview-signal > div {
  min-width: 0;
  padding: var(--b4-space-4) var(--b4-space-3);
}

.b4-preview-signal > div + div {
  border-left: 1px solid var(--b4-color-border);
}

.b4-preview-signal span,
.b4-preview-signal small {
  display: block;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-preview-signal strong {
  display: block;
  margin: var(--b4-space-2) 0;
  color: var(--b4-color-text);
  font-size: var(--b4-text-5);
  line-height: 1.2;
}

.b4-preview-signal > div:nth-child(2) strong {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-7);
  font-variant-numeric: tabular-nums;
}

.b4-scenario-list {
  border-top: 1px solid var(--b4-color-border);
}

.b4-scenario-list > div {
  display: grid;
  grid-template-columns: 5rem minmax(8rem, 0.7fr) minmax(12rem, 1.5fr) 4.5rem;
  gap: var(--b4-space-3);
  align-items: center;
  padding: var(--b4-space-5) 0;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-scenario-name {
  display: inline-flex;
  min-height: 1.75rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-round);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
  font-weight: 750;
}

.b4-scenario-name.is-positive {
  border-color: rgba(118, 224, 178, 0.38);
  color: var(--b4-color-positive);
}

.b4-scenario-name.is-warning {
  border-color: rgba(242, 189, 100, 0.42);
  color: var(--b4-color-warning);
}

.b4-scenario-list strong {
  font-size: var(--b4-text-2);
}

.b4-scenario-list p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-scenario-list b {
  color: var(--b4-color-text);
  font-size: var(--b4-text-3);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.b4-disposition {
  display: inline-flex;
  min-height: 1.8rem;
  align-items: center;
  margin-bottom: var(--b4-space-4);
  padding: 0.25rem 0.65rem;
  border: 1px solid rgba(118, 224, 178, 0.4);
  border-radius: var(--b4-radius-round);
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-memo-callout {
  padding: var(--b4-space-4) 0;
  border-top: 1px solid var(--b4-color-border);
}

.b4-memo-callout p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-next-test {
  margin: var(--b4-space-4) 0 var(--b4-space-5);
  padding: var(--b4-space-4);
  border: 1px solid rgba(118, 224, 178, 0.28);
  border-radius: var(--b4-radius-2);
  background: rgba(118, 224, 178, 0.06);
}

.b4-next-test strong {
  display: block;
  font-size: var(--b4-text-2);
  line-height: 1.45;
}

.b4-product-boundary {
  display: flex;
  gap: var(--b4-space-3);
  align-items: center;
  min-height: 3rem;
  padding: var(--b4-space-3) var(--b4-space-5);
  border-top: 1px solid var(--b4-color-border);
  background: #0d1011;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-product-boundary strong {
  color: var(--b4-color-warning);
  text-transform: uppercase;
}

/* Process */
.b4-process-band {
  padding-block: var(--b4-space-20);
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
}

.b4-process-band .b4-kicker {
  color: #23664e;
}

.b4-process-band .b4-section-heading > p {
  color: rgba(23, 27, 26, 0.68);
}

.b4-process-list {
  padding: 0;
  margin-top: var(--b4-space-12);
  margin-bottom: 0;
  border-top: 1px solid var(--b4-color-border-paper);
  list-style: none;
}

.b4-process-list li {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) 12rem;
  gap: var(--b4-space-6);
  align-items: start;
  padding: var(--b4-space-6) 0;
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-process-list li > span,
.b4-process-list li > small {
  color: var(--b4-color-paper-muted-text);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-process-list h3 {
  margin-bottom: var(--b4-space-2);
  font-size: var(--b4-text-5);
}

.b4-process-list p {
  max-width: 44rem;
  margin-bottom: 0;
  color: rgba(23, 27, 26, 0.68);
  font-size: var(--b4-text-3);
}

.b4-process-list li > small {
  text-align: right;
}

/* Use cases */
.b4-use-cases,
.b4-evidence-band,
.b4-comparison-band,
.b4-example-memo {
  padding-block: var(--b4-space-20);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-decision-index {
  margin-top: var(--b4-space-12);
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-decision-index > a {
  display: grid;
  min-height: 7.5rem;
  grid-template-columns: 3rem minmax(12rem, 0.6fr) minmax(18rem, 1.2fr) 2rem;
  gap: var(--b4-space-6);
  align-items: center;
  border-bottom: 1px solid var(--b4-color-border);
  transition: background-color var(--b4-duration-base) ease, padding var(--b4-duration-base) var(--b4-ease);
}

.b4-decision-index > a:hover {
  padding-inline: var(--b4-space-3);
  background: rgba(255, 255, 255, 0.025);
}

.b4-decision-index > a > span,
.b4-decision-index > a > small {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 700;
  text-transform: uppercase;
}

.b4-decision-index h3 {
  margin-bottom: var(--b4-space-2);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
}

.b4-decision-index p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-3);
}

.b4-decision-index > a > b {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-5);
  text-align: right;
}

/* Evidence and sensitivity */
.b4-evidence-band {
  background: var(--b4-color-canvas-raised);
}

.b4-evidence-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(20rem, 0.65fr);
  gap: var(--b4-space-8);
  margin-top: var(--b4-space-12);
}

.b4-ledger {
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  overflow: hidden;
}

.b4-ledger > div {
  display: grid;
  grid-template-columns: minmax(15rem, 1.5fr) minmax(9rem, 0.65fr) 6rem 8.5rem;
  gap: var(--b4-space-4);
  align-items: center;
  min-height: 4.9rem;
  padding: var(--b4-space-3) var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
  background: var(--b4-color-surface);
}

.b4-ledger > div:last-child {
  border-bottom: 0;
}

.b4-ledger > div.is-missing {
  background: rgba(242, 189, 100, 0.045);
}

.b4-ledger .b4-ledger-head {
  min-height: 2.75rem;
  background: #111416;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-ledger strong {
  font-size: var(--b4-text-2);
  line-height: 1.4;
}

.b4-ledger [role="cell"] {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
}

.b4-ledger [role="cell"] > i {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: var(--b4-space-2);
  border-radius: 50%;
  background: var(--b4-color-info);
}

.b4-ledger [role="cell"] > i.is-fact {
  background: var(--b4-color-positive);
}

.b4-ledger [role="cell"] > i.is-model {
  background: var(--b4-color-warning);
}

.b4-ledger [role="cell"] > i.is-missing {
  border: 1px solid var(--b4-color-warning);
  background: transparent;
}

.b4-risk-tag {
  display: inline-flex;
  min-height: 1.5rem;
  align-items: center;
  padding-inline: var(--b4-space-2);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-round);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-1);
  white-space: nowrap;
}

.b4-risk-tag.is-high {
  border-color: rgba(242, 189, 100, 0.45);
  color: var(--b4-color-warning);
}

.b4-sensitivity-demo {
  align-self: start;
  padding: var(--b4-space-6);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface-raised);
}

.b4-sensitivity-demo h3 {
  margin: var(--b4-space-2) 0 var(--b4-space-8);
  font-size: var(--b4-text-6);
  line-height: var(--b4-leading-snug);
}

.b4-sensitivity-demo label {
  display: grid;
  gap: var(--b4-space-3);
  margin-bottom: var(--b4-space-6);
}

.b4-sensitivity-demo label > span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--b4-space-3);
}

.b4-sensitivity-demo label strong {
  color: var(--b4-color-text);
  font-size: var(--b4-text-2);
}

.b4-sensitivity-demo output {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-2);
  font-variant-numeric: tabular-nums;
}

.b4-sensitivity-demo input[type="range"] {
  width: 100%;
  min-height: 2.75rem;
}

.b4-sensitivity-result {
  padding-top: var(--b4-space-5);
  border-top: 1px solid var(--b4-color-border);
}

.b4-sensitivity-result > span {
  display: block;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 700;
  text-transform: uppercase;
}

.b4-sensitivity-result > strong {
  display: block;
  margin: var(--b4-space-2) 0 var(--b4-space-3);
  color: var(--b4-color-accent);
  font-size: var(--b4-text-8);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.b4-sensitivity-result p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

/* Scenario comparison */
.b4-comparison-table {
  margin-top: var(--b4-space-12);
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-comparison-table > div {
  display: grid;
  grid-template-columns: minmax(10rem, 0.7fr) minmax(13rem, 1fr) minmax(13rem, 1fr) minmax(13rem, 1fr) 7rem;
  gap: var(--b4-space-5);
  align-items: center;
  min-height: 6.75rem;
  padding-block: var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-comparison-table .b4-comparison-head {
  min-height: 2.75rem;
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-comparison-table [role="cell"] {
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-comparison-table strong[role="cell"] {
  color: var(--b4-color-text);
  font-size: var(--b4-text-3);
}

.b4-comparison-table strong i {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: var(--b4-space-2);
  border-radius: 50%;
  background: var(--b4-color-positive);
}

.b4-comparison-table strong i.is-neutral {
  background: var(--b4-color-info);
}

.b4-comparison-table strong i.is-warning {
  background: var(--b4-color-warning);
}

.b4-comparison-table b[role="cell"] {
  color: var(--b4-color-text);
  font-size: var(--b4-text-4);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* Example memo */
.b4-example-memo {
  background: #0e1112;
}

.b4-memo-layout {
  display: grid;
  grid-template-columns: minmax(18rem, 0.6fr) minmax(32rem, 1.15fr);
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}

.b4-memo-context {
  position: sticky;
  top: calc(var(--b4-header-height) + var(--b4-space-8));
}

.b4-memo-context h2 {
  margin: var(--b4-space-3) 0 var(--b4-space-5);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: var(--b4-leading-tight);
}

.b4-memo-context p {
  color: var(--b4-color-text-muted);
}

.b4-memo-document {
  overflow: hidden;
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
  box-shadow: var(--b4-shadow-tool);
}

.b4-memo-document > header {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--b4-space-4);
  padding: var(--b4-space-4) var(--b4-space-6);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-memo-document > header span,
.b4-memo-document > header strong {
  display: block;
  font-size: var(--b4-text-1);
}

.b4-memo-document > header span {
  color: var(--b4-color-paper-muted-text);
  text-transform: uppercase;
}

.b4-memo-document > header b {
  color: #23664e;
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-memo-conclusion {
  padding: var(--b4-space-10) var(--b4-space-8);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-memo-conclusion > span {
  color: #23664e;
  font-size: var(--b4-text-1);
  font-weight: 800;
  text-transform: uppercase;
}

.b4-memo-conclusion h3 {
  max-width: 43rem;
  margin: var(--b4-space-3) 0 var(--b4-space-4);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: 1.12;
}

.b4-memo-conclusion p {
  max-width: 40rem;
  margin-bottom: 0;
  color: rgba(23, 27, 26, 0.68);
}

.b4-memo-document dl {
  margin: 0;
  padding: 0 var(--b4-space-8);
}

.b4-memo-document dl > div {
  display: grid;
  grid-template-columns: 10rem minmax(0, 1fr);
  gap: var(--b4-space-6);
  padding-block: var(--b4-space-5);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-memo-document dt,
.b4-memo-document footer span {
  color: var(--b4-color-paper-muted-text);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-memo-document dd {
  margin: 0;
  font-size: var(--b4-text-3);
  font-weight: 600;
}

.b4-memo-document footer {
  padding: var(--b4-space-6) var(--b4-space-8) var(--b4-space-8);
}

.b4-memo-document footer p {
  margin: var(--b4-space-2) 0 0;
  color: rgba(23, 27, 26, 0.72);
  font-size: var(--b4-text-3);
}

.b4-pilot-cta {
  padding-block: var(--b4-space-20);
  background: var(--b4-color-accent-soft);
}

.b4-pilot-cta > div {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) auto;
  gap: var(--b4-space-12);
  align-items: end;
}

.b4-pilot-cta h2 {
  max-width: 48rem;
  margin: var(--b4-space-3) 0 var(--b4-space-4);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: var(--b4-leading-tight);
}

.b4-pilot-cta p {
  max-width: 48rem;
  margin-bottom: 0;
  color: #b9d8cc;
}

/* Standard public pages */
.b4-inner-v50 {
  min-height: 70vh;
  background: var(--b4-color-canvas);
}

.b4-inner-hero {
  padding-block: var(--b4-space-20);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-inner-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(20rem, 0.65fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: end;
}

.b4-inner-hero h1 {
  max-width: 52rem;
  margin: var(--b4-space-4) 0 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-9);
  font-weight: 400;
  line-height: 1.05;
}

.b4-inner-hero p {
  margin-bottom: var(--b4-space-6);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-4);
}

.b4-product-anatomy,
.b4-product-sequence,
.b4-platform-grid,
.b4-platform-contract,
.b4-usecase-detail,
.b4-pricing-v50,
.b4-pricing-note,
.b4-resources-v50,
.b4-docs-v50,
.b4-roadmap-v50,
.b4-security-v50,
.b4-api-v50,
.b4-faq-v50,
.b4-legal-v50 {
  padding-block: var(--b4-space-16);
}

.b4-product-anatomy > div {
  display: grid;
  grid-template-columns: minmax(17rem, 0.55fr) minmax(0, 1.45fr);
  gap: var(--b4-space-12);
}

.b4-product-copy h2,
.b4-product-sequence > div > h2,
.b4-product-boundary h2,
.b4-platform-grid h2,
.b4-platform-contract h2,
.b4-pricing-note h2,
.b4-production-note h2 {
  margin: var(--b4-space-3) 0 var(--b4-space-4);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-7);
  font-weight: 400;
  line-height: var(--b4-leading-snug);
}

.b4-product-copy p,
.b4-product-boundary p,
.b4-platform-grid p,
.b4-platform-contract dd,
.b4-pricing-note p,
.b4-production-note li {
  color: var(--b4-color-text-muted);
}

.b4-product-stack {
  display: grid;
  grid-template-columns: minmax(13rem, 0.7fr) minmax(16rem, 1.2fr) minmax(13rem, 0.7fr);
  overflow: hidden;
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
}

.b4-product-stack article {
  padding: var(--b4-space-5);
}

.b4-product-stack article + article {
  border-left: 1px solid var(--b4-color-border);
}

.b4-product-stack article > span,
.b4-usecase-detail article > span,
.b4-roadmap-v50 article > span,
.b4-security-principles article > span,
.b4-api-v50 article section > span,
.b4-docs-v50 article section > span {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-product-stack h3 {
  font-size: var(--b4-text-4);
  line-height: 1.4;
}

.b4-product-stack dl > div {
  display: flex;
  justify-content: space-between;
  gap: var(--b4-space-3);
  padding-block: var(--b4-space-2);
  border-top: 1px solid var(--b4-color-border);
  font-size: var(--b4-text-1);
}

.b4-product-stack dd {
  margin: 0;
}

.b4-product-stack svg {
  width: 100%;
  margin-top: var(--b4-space-6);
}

.b4-product-stack svg path {
  fill: none;
  stroke: var(--b4-color-accent);
}

.b4-product-stack svg path.warn {
  stroke: var(--b4-color-warning);
}

.b4-product-stack svg :where(circle, rect) {
  fill: var(--b4-color-surface-raised);
  stroke: var(--b4-color-border-strong);
}

.b4-product-stack .memo > strong {
  display: block;
  margin-block: var(--b4-space-5);
  color: var(--b4-color-accent);
  font-size: var(--b4-text-7);
}

.b4-product-sequence {
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
}

.b4-product-sequence .b4-v50-kicker {
  color: #23664e;
}

.b4-product-sequence ol {
  padding: 0;
  margin: var(--b4-space-10) 0 0;
  border-top: 1px solid var(--b4-color-border-paper);
  list-style: none;
}

.b4-product-sequence li {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: var(--b4-space-5);
  padding-block: var(--b4-space-5);
  border-bottom: 1px solid var(--b4-color-border-paper);
}

.b4-product-sequence li > span {
  color: rgba(23, 27, 26, 0.48);
  font-size: var(--b4-text-1);
  font-weight: 750;
}

.b4-product-sequence h3 {
  margin-bottom: var(--b4-space-2);
  font-size: var(--b4-text-5);
}

.b4-product-sequence p {
  margin-bottom: 0;
  color: rgba(23, 27, 26, 0.68);
}

.b4-inner-v50 > .b4-product-boundary {
  display: block;
  padding-block: var(--b4-space-16);
  border-top: 0;
}

.b4-inner-v50 > .b4-product-boundary > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--b4-space-12);
}

.b4-platform-grid > div,
.b4-platform-contract > div {
  display: grid;
  grid-template-columns: minmax(17rem, 0.55fr) minmax(0, 1.45fr);
  gap: var(--b4-space-12);
}

.b4-platform-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(8rem, 1fr));
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  overflow: hidden;
}

.b4-platform-flow > div {
  min-width: 0;
  padding: var(--b4-space-5);
}

.b4-platform-flow > div + div {
  border-left: 1px solid var(--b4-color-border);
}

.b4-platform-flow > i {
  display: none;
}

.b4-platform-flow span {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-platform-flow strong {
  display: block;
  margin-block: var(--b4-space-3);
  font-size: var(--b4-text-3);
}

.b4-platform-flow p {
  margin-bottom: 0;
  font-size: var(--b4-text-2);
}

.b4-platform-contract {
  border-top: 1px solid var(--b4-color-border);
  background: var(--b4-color-canvas-raised);
}

.b4-platform-contract dl {
  margin: 0;
}

.b4-platform-contract dl > div {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: var(--b4-space-5);
  padding-block: var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-platform-contract dt {
  color: var(--b4-color-text);
  font-size: var(--b4-text-2);
  font-weight: 700;
}

.b4-platform-contract dd {
  margin: 0;
  font-size: var(--b4-text-2);
}

.b4-usecase-detail > div {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-usecase-detail article {
  display: grid;
  grid-template-columns: 3rem minmax(12rem, 0.65fr) minmax(13rem, 0.9fr) minmax(13rem, 0.9fr) 8rem;
  gap: var(--b4-space-5);
  align-items: center;
  min-height: 9rem;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-usecase-detail h2 {
  margin-bottom: var(--b4-space-2);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
}

.b4-usecase-detail article p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-usecase-detail article > div:nth-of-type(2) > span {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-usecase-detail article > a {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-2);
  font-weight: 700;
}

.b4-pricing-head,
.b4-pricing-v50 article {
  display: grid;
  grid-template-columns: minmax(10rem, 0.75fr) repeat(4, minmax(9rem, 1fr)) minmax(11rem, 1.2fr);
  gap: var(--b4-space-4);
  align-items: center;
}

.b4-pricing-head {
  min-height: 3rem;
  border-bottom: 1px solid var(--b4-color-border-strong);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-pricing-v50 article {
  min-height: 9.5rem;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-pricing-v50 article.featured {
  background: rgba(118, 224, 178, 0.045);
}

.b4-pricing-v50 article h2 {
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
}

.b4-pricing-v50 article p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-pricing-v50 article > div {
  display: grid;
  gap: var(--b4-space-3);
}

.b4-pricing-note {
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
}

.b4-pricing-note .b4-v50-kicker {
  color: #23664e;
}

.b4-pricing-note p {
  max-width: 48rem;
  color: rgba(23, 27, 26, 0.68);
}

/* Contact */
.b4-contact-v50 {
  display: grid;
  min-height: calc(100vh - var(--b4-header-height));
  grid-template-columns: minmax(0, 1fr) minmax(28rem, 0.8fr);
}

.b4-contact-copy,
.b4-contact-form-wrap {
  padding: clamp(3rem, 8vw, 7rem);
}

.b4-contact-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--b4-color-border);
}

.b4-contact-copy > .b4-auth-brand {
  margin-bottom: var(--b4-space-12);
}

.b4-contact-copy h1 {
  max-width: 42rem;
  margin: var(--b4-space-4) 0 var(--b4-space-5);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-9);
  font-weight: 400;
  line-height: 1.05;
}

.b4-contact-copy > p,
.b4-contact-copy dd {
  color: var(--b4-color-text-muted);
}

.b4-contact-copy dl {
  margin: var(--b4-space-8) 0 0;
  border-top: 1px solid var(--b4-color-border);
}

.b4-contact-copy dl > div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--b4-space-4);
  padding-block: var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-contact-copy dt {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  font-weight: 750;
  text-transform: uppercase;
}

.b4-contact-copy dd {
  margin: 0;
  font-size: var(--b4-text-2);
}

.b4-contact-form-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--b4-color-paper);
  color: var(--b4-color-paper-ink);
}

.b4-contact-form-wrap .b4-v50-kicker {
  color: #23664e;
}

.b4-contact-form-wrap h2 {
  margin: var(--b4-space-3) 0 var(--b4-space-8);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-7);
  font-weight: 400;
}

.b4-lead-form-v50 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--b4-space-4);
}

.b4-lead-form-v50 > div {
  display: grid;
  gap: var(--b4-space-2);
}

.b4-lead-form-v50 .full,
.b4-lead-form-v50 > p {
  grid-column: 1 / -1;
}

.b4-contact-form-wrap label {
  color: rgba(23, 27, 26, 0.7);
}

.b4-contact-form-wrap :where(input, textarea) {
  border-color: var(--b4-color-border-paper);
  background: #fbfaf6;
  color: var(--b4-color-paper-ink);
}

.b4-lead-form-v50 > p {
  color: var(--b4-color-paper-muted-text);
  font-size: var(--b4-text-1);
}

/* Lists, docs, legal, security, API */
.b4-resources-v50 > div > header {
  display: flex;
  justify-content: space-between;
  gap: var(--b4-space-4);
  padding-bottom: var(--b4-space-4);
  border-bottom: 1px solid var(--b4-color-border-strong);
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-resources-v50 article {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr) 8rem;
  gap: var(--b4-space-6);
  align-items: center;
  min-height: 9rem;
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-resources-v50 article > span {
  color: var(--b4-color-text-subtle);
  font-size: var(--b4-text-1);
}

.b4-resources-v50 article p {
  margin-bottom: var(--b4-space-2);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-resources-v50 article h2 {
  margin-bottom: var(--b4-space-2);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
}

.b4-resources-v50 article > a {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-2);
}

.b4-docs-v50 > div,
.b4-legal-v50 > div,
.b4-api-v50 > div {
  display: grid;
  grid-template-columns: minmax(14rem, 0.35fr) minmax(0, 1fr);
  gap: var(--b4-space-12);
  align-items: start;
}

.b4-docs-v50 aside,
.b4-legal-v50 aside,
.b4-api-v50 aside {
  position: sticky;
  top: calc(var(--b4-header-height) + var(--b4-space-6));
  padding: var(--b4-space-5);
  border-left: 2px solid var(--b4-color-accent);
  background: var(--b4-color-surface);
}

.b4-docs-v50 aside nav {
  display: grid;
}

.b4-docs-v50 aside a {
  min-height: 2.75rem;
  padding-block: var(--b4-space-2);
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-docs-v50 article > section,
.b4-legal-v50 article > section,
.b4-api-v50 article > section {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: var(--b4-space-5);
  padding-block: var(--b4-space-6);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-api-v50 article > section {
  grid-template-columns: minmax(6rem, 0.25fr) minmax(0, 1fr);
}

.b4-docs-v50 article h2,
.b4-legal-v50 article h2,
.b4-api-v50 article h2 {
  margin-bottom: var(--b4-space-3);
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
}

.b4-docs-v50 article p,
.b4-docs-v50 article li,
.b4-legal-v50 article p,
.b4-api-v50 article p,
.b4-api-v50 aside p,
.b4-legal-v50 aside p {
  color: var(--b4-color-text-muted);
}

.b4-docs-v50 blockquote,
.b4-api-v50 pre {
  max-width: 100%;
  overflow-x: auto;
  margin: var(--b4-space-5) 0 0;
  padding: var(--b4-space-4);
  border: 1px solid var(--b4-color-border-strong);
  border-radius: var(--b4-radius-2);
  background: var(--b4-color-surface);
  color: var(--b4-color-text-muted);
  font-family: var(--b4-font-mono);
  font-size: var(--b4-text-2);
}

.b4-roadmap-v50 > div {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-roadmap-line {
  display: none;
}

.b4-roadmap-v50 article {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--b4-space-6);
  padding-block: var(--b4-space-6);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-roadmap-v50 article b {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
  text-transform: uppercase;
}

.b4-roadmap-v50 article h2 {
  margin: var(--b4-space-2) 0;
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-6);
  font-weight: 400;
}

.b4-roadmap-v50 article p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
}

.b4-security-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--b4-color-border-strong);
  border-left: 1px solid var(--b4-color-border);
}

.b4-security-principles article {
  min-height: 14rem;
  padding: var(--b4-space-6);
  border-right: 1px solid var(--b4-color-border);
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-security-principles h2 {
  margin: var(--b4-space-4) 0;
  font-size: var(--b4-text-5);
}

.b4-security-principles p {
  margin-bottom: 0;
  color: var(--b4-color-text-muted);
  font-size: var(--b4-text-2);
}

.b4-production-note {
  margin-top: var(--b4-space-12);
  padding: var(--b4-space-8);
  border-left: 2px solid var(--b4-color-warning);
  background: rgba(242, 189, 100, 0.045);
}

.b4-production-note ul {
  columns: 2;
  gap: var(--b4-space-8);
}

.b4-faq-v50 > div {
  border-top: 1px solid var(--b4-color-border-strong);
}

.b4-faq-v50 details {
  border-bottom: 1px solid var(--b4-color-border);
}

.b4-faq-v50 summary {
  display: grid;
  min-height: 5rem;
  grid-template-columns: 3rem 1fr;
  gap: var(--b4-space-5);
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.b4-faq-v50 summary::-webkit-details-marker {
  display: none;
}

.b4-faq-v50 summary span {
  color: var(--b4-color-accent);
  font-size: var(--b4-text-1);
}

.b4-faq-v50 summary strong {
  font-size: var(--b4-text-4);
}

.b4-faq-v50 details > p {
  max-width: 50rem;
  margin: 0 0 var(--b4-space-6) 5rem;
  color: var(--b4-color-text-muted);
}

/* Generic index, search, single, and 404 */
.b4-index-v50,
.b4-single-v50,
.b4-404-v50 {
  min-height: 70vh;
  padding-block: var(--b4-space-16);
}

.b4-index-v50 > header,
.b4-single-v50 > header,
.b4-404-v50 > section {
  width: min(var(--b4-reading), calc(100% - 2rem));
  margin-inline: auto;
}

.b4-index-v50 h1,
.b4-single-v50 h1,
.b4-404-v50 h1 {
  font-family: var(--b4-font-serif);
  font-size: var(--b4-text-8);
  font-weight: 400;
  line-height: var(--b4-leading-tight);
}

.b4-404-v50 {
  display: grid;
  width: min(var(--b4-shell), calc(100% - 4rem));
  grid-template-columns: 1fr 1fr;
  gap: var(--b4-space-12);
  align-items: center;
  margin-inline: auto;
}

.b4-404-map svg :where(path, circle) {
  fill: none;
  stroke: var(--b4-color-border-strong);
}

.b4-404-map svg .lost {
  stroke: var(--b4-color-warning);
}

@media (max-width: 76rem) {
  .b4-home-positioning h1 {
    font-size: var(--b4-text-9);
  }

  .b4-preview-layout {
    grid-template-columns: minmax(17rem, 0.72fr) minmax(27rem, 1.28fr);
  }

  .b4-preview-memo {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(15rem, 0.6fr) repeat(2, minmax(14rem, 1fr));
    gap: var(--b4-space-5);
    align-items: start;
    border-top: 1px solid var(--b4-color-border);
    border-left: 0;
  }

  .b4-preview-memo .b4-surface-heading,
  .b4-preview-memo .b4-text-link {
    grid-column: 1 / -1;
  }

  .b4-preview-memo > h2 {
    grid-column: 1;
  }

  .b4-preview-memo .b4-disposition {
    grid-column: 1;
    width: fit-content;
  }

  .b4-preview-memo .b4-memo-callout {
    grid-row: 2 / span 2;
  }

  .b4-preview-memo .b4-next-test {
    grid-row: 2 / span 2;
  }

  .b4-product-stack,
  .b4-platform-flow {
    grid-template-columns: 1fr;
  }

  .b4-product-stack article + article,
  .b4-platform-flow > div + div {
    border-top: 1px solid var(--b4-color-border);
    border-left: 0;
  }

  .b4-usecase-detail article,
  .b4-pricing-head,
  .b4-pricing-v50 article {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .b4-usecase-detail article > span {
    display: none;
  }

  .b4-usecase-detail article > a,
  .b4-pricing-v50 article > div {
    grid-column: 3;
  }

  .b4-pricing-head {
    display: none;
  }

  .b4-pricing-v50 article {
    padding-block: var(--b4-space-6);
  }
}

@media (max-width: 62rem) {
  .b4-home-hero {
    padding-top: var(--b4-space-16);
  }

  .b4-home-hero-copy,
  .b4-inner-hero-layout,
  .b4-product-anatomy > div,
  .b4-platform-grid > div,
  .b4-platform-contract > div,
  .b4-memo-layout,
  .b4-pilot-cta > div,
  .b4-contact-v50 {
    grid-template-columns: 1fr;
  }

  .b4-home-hero-copy,
  .b4-inner-hero-layout {
    align-items: start;
    gap: var(--b4-space-8);
  }

  .b4-home-intro > p {
    max-width: 46rem;
  }

  .b4-product-bar {
    grid-template-columns: 1fr auto;
  }

  .b4-product-bar nav {
    display: none;
  }

  .b4-preview-layout {
    grid-template-columns: 1fr;
  }

  .b4-preview-analysis,
  .b4-preview-memo {
    border-top: 1px solid var(--b4-color-border);
    border-left: 0;
  }

  .b4-preview-memo {
    display: block;
  }

  .b4-preview-memo .b4-memo-callout,
  .b4-preview-memo .b4-next-test {
    display: block;
  }

  .b4-evidence-layout,
  .b4-inner-v50 > .b4-product-boundary > div {
    grid-template-columns: 1fr;
  }

  .b4-memo-context {
    position: static;
  }

  .b4-decision-index > a {
    grid-template-columns: 2.5rem minmax(0, 1fr) 1.5rem;
  }

  .b4-decision-index > a > small {
    grid-column: 2;
  }

  .b4-comparison-table > div {
    grid-template-columns: minmax(9rem, 0.7fr) repeat(2, minmax(12rem, 1fr)) 6rem;
  }

  .b4-comparison-table > div > :nth-child(4) {
    display: none;
  }

  .b4-contact-copy,
  .b4-contact-form-wrap {
    padding: var(--b4-space-12) max(var(--b4-space-6), calc((100vw - var(--b4-shell)) / 2));
  }

  .b4-contact-copy {
    border-right: 0;
    border-bottom: 1px solid var(--b4-color-border);
  }

  .b4-security-principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 47.99rem) {
  .b4-home-hero {
    padding: var(--b4-space-12) 0 var(--b4-space-10);
  }

  .b4-home-positioning h1,
  .b4-inner-hero h1,
  .b4-contact-copy h1 {
    font-size: var(--b4-text-8);
  }

  .b4-home-intro > p {
    font-size: var(--b4-text-4);
  }

  .b4-output-contract > div {
    grid-template-columns: 1fr;
    gap: var(--b4-space-1);
  }

  .b4-product-preview {
    margin-top: var(--b4-space-10);
  }

  .b4-product-bar {
    padding-inline: var(--b4-space-3);
  }

  .b4-product-state span {
    max-width: 7.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .b4-preview-layout > * {
    padding: var(--b4-space-5);
  }

  .b4-preview-brief .b4-definition-list,
  .b4-preview-brief .b4-evidence-summary,
  .b4-preview-memo .b4-memo-callout {
    display: none;
  }

  .b4-preview-brief > h2,
  .b4-preview-memo > h2 {
    margin-bottom: 0;
    font-size: var(--b4-text-5);
  }

  .b4-preview-analysis .b4-surface-heading,
  .b4-preview-memo .b4-surface-heading {
    margin-bottom: var(--b4-space-4);
  }

  .b4-preview-signal {
    grid-template-columns: 1fr 1fr;
  }

  .b4-preview-signal > div:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid var(--b4-color-border);
    border-left: 0;
  }

  .b4-scenario-list > div {
    grid-template-columns: 5rem 1fr auto;
  }

  .b4-scenario-list p {
    grid-column: 1 / -1;
  }

  .b4-scenario-list p {
    display: none;
  }

  .b4-product-boundary {
    align-items: flex-start;
    flex-direction: column;
  }

  .b4-process-band,
  .b4-use-cases,
  .b4-evidence-band,
  .b4-comparison-band,
  .b4-example-memo,
  .b4-pilot-cta,
  .b4-inner-hero {
    padding-block: var(--b4-space-12);
  }

  .b4-process-list li {
    grid-template-columns: 2.5rem 1fr;
    gap: var(--b4-space-3);
  }

  .b4-process-list li > small {
    grid-column: 2;
    text-align: left;
  }

  .b4-decision-index > a {
    min-height: 0;
    grid-template-columns: 2rem 1fr;
    gap: var(--b4-space-3);
    padding-block: var(--b4-space-5);
  }

  .b4-decision-index > a > b {
    display: none;
  }

  .b4-decision-index > a > small {
    grid-column: 2;
  }

  .b4-decision-index h3 {
    font-size: var(--b4-text-5);
  }

  .b4-ledger {
    border: 0;
    overflow: visible;
  }

  .b4-ledger .b4-ledger-head {
    display: none;
  }

  .b4-ledger > div {
    grid-template-columns: 1fr 1fr;
    gap: var(--b4-space-3);
    margin-bottom: var(--b4-space-3);
    border: 1px solid var(--b4-color-border-strong);
    border-radius: var(--b4-radius-2);
  }

  .b4-ledger strong {
    grid-column: 1 / -1;
  }

  .b4-sensitivity-demo {
    padding: var(--b4-space-5);
  }

  .b4-comparison-table {
    display: grid;
    gap: var(--b4-space-3);
    border-top: 0;
  }

  .b4-comparison-table .b4-comparison-head {
    display: none;
  }

  .b4-comparison-table > div {
    display: grid;
    min-height: 0;
    grid-template-columns: 1fr auto;
    gap: var(--b4-space-3);
    padding: var(--b4-space-4);
    border: 1px solid var(--b4-color-border-strong);
    border-radius: var(--b4-radius-2);
    background: var(--b4-color-surface);
  }

  .b4-comparison-table > div > span {
    grid-column: 1 / -1;
  }

  .b4-comparison-table > div > :nth-child(4) {
    display: block;
  }

  .b4-memo-conclusion,
  .b4-memo-document dl,
  .b4-memo-document footer {
    padding-inline: var(--b4-space-5);
  }

  .b4-memo-conclusion h3 {
    font-size: var(--b4-text-7);
  }

  .b4-memo-document dl > div {
    grid-template-columns: 1fr;
    gap: var(--b4-space-2);
  }

  .b4-usecase-detail article,
  .b4-pricing-v50 article {
    display: grid;
    min-height: 0;
    grid-template-columns: 1fr;
    gap: var(--b4-space-4);
    padding-block: var(--b4-space-6);
  }

  .b4-usecase-detail article > a,
  .b4-pricing-v50 article > div {
    grid-column: auto;
  }

  .b4-lead-form-v50,
  .b4-security-principles,
  .b4-docs-v50 > div,
  .b4-legal-v50 > div,
  .b4-api-v50 > div,
  .b4-404-v50 {
    grid-template-columns: 1fr;
  }

  .b4-docs-v50 aside,
  .b4-legal-v50 aside,
  .b4-api-v50 aside {
    position: static;
  }

  .b4-docs-v50 article > section,
  .b4-legal-v50 article > section,
  .b4-api-v50 article > section {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: var(--b4-space-3);
  }

  .b4-production-note ul {
    columns: 1;
  }

  .b4-faq-v50 details > p {
    margin-left: 0;
  }

  .b4-404-v50 {
    width: min(100% - 1.5rem, var(--b4-shell));
  }
}