:root {
  --fp-ink: #182429;
  --fp-muted: #536168;
  --fp-line: #ccd6d8;
  --fp-paper: #ffffff;
  --fp-ground: #f3f6f5;
  --fp-red: #a43732;
  --fp-teal: #096c68;
  --fp-blue: #2e5f96;
  --fp-green: #34714d;
  --fp-gold: #866100;
  --fp-violet: #704e82;
}

.fp-body {
  color: var(--fp-ink);
  background: var(--fp-ground);
  overflow-x: clip;
}

.fp-page {
  --bg-red: var(--fp-red);
  --bg-green: var(--fp-green);
  --bg-blue: var(--fp-blue);
  --bg-gold: var(--fp-gold);
  --bg-violet: var(--fp-violet);
  --bg-ground: var(--fp-ground);
  --bg-line: var(--fp-line);
}

.fp-page p,
.fp-page li,
.fp-page dd,
.fp-page td,
.fp-page th {
  font-size: 1.09rem;
  line-height: 1.74;
}

.fp-page h1,
.fp-page h2,
.fp-page h3,
.fp-page button,
.fp-page input {
  letter-spacing: 0;
}

.fp-hero {
  border-top-color: var(--fp-teal);
}

.fp-kicker {
  color: var(--fp-teal);
}

.fp-live {
  border-left-color: var(--fp-red);
}

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

.fp-live-metrics dd {
  color: var(--fp-red);
  overflow-wrap: anywhere;
}

.fp-observed {
  display: block;
  margin-top: 8px;
  color: var(--fp-muted);
  font-size: 1rem;
}

.fp-error {
  color: var(--fp-red) !important;
  font-weight: 760;
}

.fp-distinction {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(560px, 1fr);
  gap: 36px;
  padding: 38px clamp(22px, 4vw, 58px);
  border-top: 1px solid var(--fp-line);
  border-bottom: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-distinction h2 {
  max-width: 760px;
  margin: 5px 0 13px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.78rem, 2.6vw, 2.42rem);
  line-height: 1.18;
}

.fp-distinction p {
  margin: 0;
  color: var(--fp-muted);
}

.fp-continuum {
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  align-self: center;
  border: 1px solid var(--fp-line);
  background: #f8faf9;
}

.fp-continuum > span {
  display: grid;
  align-content: center;
  min-width: 0;
  min-height: 176px;
  padding: 18px 13px;
}

.fp-continuum b {
  display: grid;
  width: 30px;
  height: 30px;
  margin-bottom: 10px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--fp-teal);
}

.fp-continuum strong {
  line-height: 1.28;
}

.fp-continuum small {
  margin-top: 6px;
  color: var(--fp-muted);
  font-size: 0.91rem;
  line-height: 1.42;
}

.fp-continuum > svg {
  width: 20px;
  color: var(--fp-red);
}

.fp-tabs button {
  min-width: 150px;
}

.fp-principles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 34px;
  border-top: 1px solid var(--fp-line);
  border-bottom: 1px solid var(--fp-line);
}

.fp-principles > div {
  display: grid;
  gap: 7px;
  padding: 22px;
  border-right: 1px solid var(--fp-line);
}

.fp-principles > div:last-child {
  border-right: 0;
}

.fp-principles strong {
  color: var(--fp-teal);
  font-size: 1.04rem;
}

.fp-principles span {
  color: var(--fp-muted);
  font-size: 0.98rem;
  line-height: 1.52;
}

.fp-type-matrix {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 38px;
  border: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-type-matrix article {
  min-width: 0;
  padding: 24px;
  border-right: 1px solid var(--fp-line);
}

.fp-type-matrix article:last-child {
  border-right: 0;
}

.fp-type-matrix span {
  display: inline-block;
  margin-bottom: 9px;
  color: var(--fp-red);
  font-size: 0.86rem;
  font-weight: 820;
  text-transform: uppercase;
}

.fp-type-matrix h3 {
  margin: 0 0 9px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.34rem;
}

.fp-type-matrix p {
  margin: 0;
  color: var(--fp-muted);
  font-size: 1rem;
  line-height: 1.56;
}

.fp-flexibility-band {
  margin: 0 0 38px;
  padding: clamp(24px, 3vw, 38px);
  border-block: 1px solid var(--fp-line);
  background: #f7faf9;
}

.fp-flexibility-band > header {
  max-width: 900px;
  margin-bottom: 24px;
}

.fp-flexibility-band > header h3 {
  margin: 6px 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.52rem, 2.2vw, 2rem);
  line-height: 1.25;
}

.fp-flexibility-band > header p:last-child {
  margin: 0;
  color: var(--fp-muted);
}

.fp-flexibility-band > div {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-flexibility-band article {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 9px;
  min-width: 0;
  padding: 21px;
  border-right: 1px solid var(--fp-line);
}

.fp-flexibility-band article:last-child {
  border-right: 0;
}

.fp-flexibility-band article svg {
  width: 23px;
  height: 23px;
  color: var(--fp-teal);
}

.fp-flexibility-band article strong {
  font-size: 1.04rem;
  line-height: 1.35;
}

.fp-flexibility-band article span {
  color: var(--fp-muted);
  font-size: 0.97rem;
  line-height: 1.52;
}

.fp-flexibility-band > a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  color: var(--fp-teal);
  font-weight: 800;
  text-decoration: none;
}

.fp-flexibility-band > a:hover {
  text-decoration: underline;
}

.fp-flexibility-band > a svg {
  width: 18px;
  height: 18px;
}

.fp-index-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 0 34px;
  border-top: 1px solid var(--fp-line);
  border-bottom: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-index-band > section {
  display: grid;
  grid-template-rows: auto auto auto auto auto;
  min-width: 0;
  padding: clamp(24px, 3vw, 38px);
}

.fp-index-band > section:first-child {
  border-right: 1px solid var(--fp-line);
}

.fp-index-band header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fp-index-band header > span {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: #fff;
  background: var(--fp-teal);
  font-weight: 860;
}

.fp-index-band > section:last-child header > span {
  background: var(--fp-red);
}

.fp-index-band h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
}

.fp-index-band p {
  color: var(--fp-muted);
}

.fp-index-band > section > strong {
  margin-top: 10px;
  color: var(--fp-red);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1;
}

.fp-index-band > section > small {
  margin-top: 7px;
  color: var(--fp-muted);
  font-size: 1rem;
}

.fp-main-formula,
.fp-gate-equation {
  min-height: 92px;
  margin: 20px 0 8px;
  overflow-x: auto;
}

.fp-candidate-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 42px;
  border: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-candidate-columns > section {
  min-width: 0;
  padding: 24px;
  border-right: 1px solid var(--fp-line);
}

.fp-candidate-columns > section:last-child {
  border-right: 0;
}

.fp-candidate-columns h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 54px;
  margin: 0 0 14px;
  font-size: 1.18rem;
}

.fp-candidate-columns h3 svg {
  width: 21px;
  flex: 0 0 auto;
  color: var(--fp-teal);
}

.fp-candidate-item {
  padding: 15px 0;
  border-top: 1px solid var(--fp-line);
}

.fp-candidate-item:first-child {
  border-top: 0;
}

.fp-candidate-item header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.fp-candidate-item strong {
  overflow-wrap: anywhere;
  font-size: 1.08rem;
}

.fp-candidate-item header span {
  color: var(--fp-red);
  font-weight: 820;
  white-space: nowrap;
}

.fp-candidate-item p {
  margin: 5px 0 0;
  color: var(--fp-muted);
  font-size: 0.91rem;
  line-height: 1.45;
}

.fp-candidate-item dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
  margin: 10px 0 0;
}

.fp-candidate-item dt,
.fp-candidate-item dd {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.35;
}

.fp-candidate-item dt {
  color: var(--fp-muted);
}

.fp-candidate-item dd {
  text-align: right;
  font-weight: 760;
}

.fp-loading {
  color: var(--fp-muted);
  font-style: italic;
}

.fp-gate {
  display: grid;
  grid-template-columns: repeat(9, auto);
  align-items: stretch;
  margin: 0 0 18px;
  border: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-gate > span {
  display: grid;
  align-content: center;
  gap: 6px;
  min-width: 0;
  min-height: 154px;
  padding: 18px;
}

.fp-gate b {
  color: var(--fp-red);
  font-size: 0.9rem;
}

.fp-gate small {
  color: var(--fp-muted);
  font-size: 0.9rem;
  line-height: 1.42;
}

.fp-gate > svg {
  align-self: center;
  width: 19px;
  color: var(--fp-teal);
}

.fp-gate-equation {
  margin: 0 0 34px;
  padding: 18px;
  border-bottom: 1px solid var(--fp-line);
}

.fp-editorial-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0 0 40px;
  border: 1px solid var(--fp-line);
  counter-reset: editorial-step;
}

.fp-editorial-flow > div {
  min-width: 0;
  padding: 24px;
  border-right: 1px solid var(--fp-line);
  counter-increment: editorial-step;
}

.fp-editorial-flow > div:last-child {
  border-right: 0;
}

.fp-editorial-flow span::before {
  content: counter(editorial-step) ". ";
  color: var(--fp-red);
}

.fp-editorial-flow span {
  font-weight: 820;
}

.fp-editorial-flow p {
  margin: 8px 0 0;
  color: var(--fp-muted);
  font-size: 0.97rem;
  line-height: 1.52;
}

.fp-model-grid,
.fp-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.fp-model-card,
.fp-chart-card {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--fp-line);
  background: var(--fp-paper);
}

.fp-model-card {
  display: grid;
  align-content: start;
  padding: 26px;
}

.fp-model-card header,
.fp-chart-card figcaption {
  display: flex;
  align-items: flex-start;
  gap: 13px;
}

.fp-model-card header > span,
.fp-chart-card figcaption > span {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--fp-teal);
  font-weight: 820;
}

.fp-model-card h3,
.fp-chart-card h3 {
  margin: 4px 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1.28;
}

.fp-model-card > p {
  color: var(--fp-muted);
}

.fp-model-card .math-display {
  min-height: 108px;
  padding: 16px 7px;
  overflow-x: auto;
}

.fp-reading-note {
  padding-top: 14px;
  border-top: 1px solid var(--fp-line);
  color: var(--fp-muted);
  font-size: 0.98rem !important;
}

.fp-chart-card figcaption {
  min-height: 158px;
  padding: 24px 24px 16px;
}

.fp-chart-card figcaption p {
  margin: 7px 0 0;
  color: var(--fp-muted);
  font-size: 0.96rem;
  line-height: 1.5;
}

.fp-chart-stage {
  display: grid;
  min-height: 330px;
  padding: 18px;
  place-items: stretch;
  border-top: 1px solid var(--fp-line);
  border-bottom: 1px solid var(--fp-line);
  background: #fafcfc;
  overflow: hidden;
}

.fp-chart-stage svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.fp-chart-stage text {
  fill: var(--fp-muted);
  font-family: Inter, "Segoe UI", sans-serif;
  font-size: 12px;
}

.fp-chart-stage .fp-axis {
  stroke: #94a3a8;
  stroke-width: 1;
}

.fp-chart-stage .fp-grid {
  stroke: #dce3e4;
  stroke-width: 1;
}

.fp-chart-stage .fp-bar-free,
.fp-chart-stage .fp-dot-free {
  fill: var(--fp-teal);
}

.fp-chart-stage .fp-bar-lexical,
.fp-chart-stage .fp-dot-lexical {
  fill: var(--fp-red);
}

.fp-chart-stage .fp-bar-neutral {
  fill: var(--fp-blue);
}

.fp-chart-stage .fp-line-path {
  fill: none;
  stroke: var(--fp-teal);
  stroke-width: 3;
}

.fp-chart-note {
  min-height: 130px;
  margin: 0;
  padding: 18px 24px 24px;
  color: var(--fp-muted);
  font-size: 0.94rem !important;
  line-height: 1.52 !important;
}

.fp-witness-list {
  border-top: 1px solid var(--fp-line);
}

.fp-witness-list > article {
  padding: 28px 0;
  border-bottom: 1px solid var(--fp-line);
}

.fp-witness-list header {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.fp-witness-list header > span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  background: var(--fp-red);
  font-weight: 820;
}

.fp-witness-list h3,
.fp-witness-list header p {
  margin: 0;
}

.fp-witness-list h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.4rem;
}

.fp-witness-list header p,
.fp-witness-list header small {
  color: var(--fp-muted);
}

.fp-witness-list blockquote {
  margin: 20px 0 14px 56px;
  padding: 16px 20px;
  border-left: 4px solid var(--fp-teal);
  background: #f7faf9;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.18rem;
  line-height: 1.7;
}

.fp-witness-list > article > p,
.fp-witness-list details {
  margin-left: 56px;
}

.fp-witness-list details summary {
  color: var(--fp-blue);
  cursor: pointer;
  font-weight: 740;
}

.fp-insight-list {
  margin-top: 36px;
  border-top: 1px solid var(--fp-line);
}

.fp-insight-list > article {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 27px 0;
  border-bottom: 1px solid var(--fp-line);
}

.fp-insight-list > article > span {
  color: var(--fp-red);
  font-size: 1.2rem;
  font-weight: 820;
}

.fp-insight-list h3 {
  margin: 0 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
}

.fp-insight-list p {
  margin: 8px 0 0;
}

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

.fp-local-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  border-left: 4px solid var(--fp-teal);
  background: #f5f9f8;
}

.fp-local-note svg {
  width: 23px;
  flex: 0 0 auto;
  margin-top: 4px;
  color: var(--fp-teal);
}

.fp-local-note span {
  font-size: 1.02rem;
  line-height: 1.65;
}

@media (min-width: 1500px) {
  .fp-model-grid,
  .fp-chart-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1160px) {
  .fp-distinction {
    grid-template-columns: 1fr;
  }

  .fp-continuum {
    grid-template-columns: repeat(7, minmax(0, auto));
  }

  .fp-type-matrix,
  .fp-principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fp-flexibility-band > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fp-flexibility-band article:nth-child(2) {
    border-right: 0;
  }

  .fp-flexibility-band article:nth-child(-n + 2) {
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-type-matrix article:nth-child(2),
  .fp-principles > div:nth-child(2) {
    border-right: 0;
  }

  .fp-type-matrix article:nth-child(-n + 2),
  .fp-principles > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-editorial-flow {
    grid-template-columns: repeat(5, minmax(180px, 1fr));
    overflow-x: auto;
  }

  .fp-gate {
    grid-template-columns: repeat(9, minmax(130px, auto));
    overflow-x: auto;
  }
}

@media (max-width: 900px) {
  .fp-model-grid,
  .fp-chart-grid,
  .fp-candidate-columns {
    grid-template-columns: 1fr;
  }

  .fp-candidate-columns > section,
  .fp-type-matrix article {
    border-right: 0;
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-candidate-columns > section:last-child,
  .fp-type-matrix article:last-child {
    border-bottom: 0;
  }

  .fp-chart-card figcaption,
  .fp-chart-note {
    min-height: 0;
  }

  .fp-glossary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .fp-body > header h1,
  .fp-body > header nav,
  .fp-body > header [aria-label="Breadcrumb"] {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .fp-body > header h1 {
    font-size: 1.08rem;
    line-height: 1.25;
  }

  .fp-page p,
  .fp-page li,
  .fp-page dd,
  .fp-page td,
  .fp-page th {
    font-size: 1.04rem;
    line-height: 1.67;
  }

  .fp-hero h1 {
    max-width: 100%;
    font-size: 2.08rem;
    line-height: 1.08;
    overflow-wrap: anywhere;
  }

  .fp-live-metrics,
  .fp-index-band,
  .fp-type-matrix,
  .fp-principles {
    grid-template-columns: 1fr;
  }

  .fp-flexibility-band > div {
    grid-template-columns: 1fr;
  }

  .fp-flexibility-band article {
    border-right: 0;
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-flexibility-band article:last-child {
    border-bottom: 0;
  }

  .fp-live-metrics > div,
  .fp-index-band > section,
  .fp-type-matrix article,
  .fp-principles > div {
    border-right: 0;
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-live-metrics > div:last-child,
  .fp-index-band > section:last-child,
  .fp-type-matrix article:last-child,
  .fp-principles > div:last-child {
    border-bottom: 0;
  }

  .fp-distinction {
    padding: 28px 18px;
  }

  .fp-continuum {
    grid-template-columns: 1fr;
  }

  .fp-continuum > span {
    min-height: 0;
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-continuum > span:last-child {
    border-bottom: 0;
  }

  .fp-continuum > svg {
    display: none;
  }

  .fp-index-band > section {
    padding: 24px 18px;
  }

  .fp-gate,
  .fp-editorial-flow {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .fp-gate > span,
  .fp-editorial-flow > div {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--fp-line);
  }

  .fp-gate > span:last-child,
  .fp-editorial-flow > div:last-child {
    border-bottom: 0;
  }

  .fp-gate > svg {
    display: none;
  }

  .fp-chart-stage {
    display: block;
    min-height: 310px;
    padding: 8px;
    overflow-x: auto;
  }

  .fp-chart-stage svg {
    width: 680px;
    min-width: 680px;
    height: 310px;
  }

  .fp-witness-list header {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .fp-witness-list header small {
    grid-column: 2;
  }

  .fp-witness-list blockquote,
  .fp-witness-list > article > p,
  .fp-witness-list details {
    margin-left: 0;
  }

  .fp-insight-list > article {
    grid-template-columns: 34px minmax(0, 1fr);
  }
}