.page-about {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  display: block;
  overflow-x: hidden;
}

.page-about .ax-container {
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  box-sizing: border-box;
}

/* ---------- hero ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(36px, 7vw, 88px) 0 clamp(28px, 5vw, 56px);
  border-bottom: var(--line);
  background:
    linear-gradient(90deg, transparent 0 22px, var(--gray-200) 22px 23px, transparent 23px) repeat-x,
    var(--paper);
  background-size: 96px 100%, auto;
  background-position: 0 0, 0 0;
}

.page-about .about-hero-inner {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-about .about-crumb {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-500);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-about .about-crumb a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .about-crumb a:hover {
  border-bottom-color: var(--teal);
}

.page-about .about-crumb-sep {
  color: var(--gray-200);
}

.page-about .about-kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue);
  margin: 0;
}

.page-about .about-title {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 74px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-about .about-lede {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: var(--slate);
}

.page-about .about-hero-facts {
  list-style: none;
  margin: clamp(10px, 2vw, 20px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--gray-200);
  border: var(--line);
}

.page-about .about-hero-fact {
  background: var(--paper-2);
  padding: 14px 16px 16px;
  display: grid;
  gap: 4px;
}

.page-about .about-fact-num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
  line-height: 1;
}

.page-about .about-fact-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--gray-500);
}

/* ---------- toc ---------- */

.page-about .about-toc-wrap {
  border-bottom: var(--line);
  background: var(--paper-2);
}

.page-about .about-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  align-items: center;
  scrollbar-width: thin;
}

.page-about .about-toc-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gray-500);
  white-space: nowrap;
  padding-right: 8px;
  border-right: var(--line);
}

.page-about .about-toc .ax-toc-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--slate);
  border: var(--line);
  background: var(--paper);
  padding: 6px 10px;
}

.page-about .about-toc .ax-toc-link[aria-current="true"] {
  color: var(--paper);
  background: var(--blue);
  border-color: var(--blue);
}

/* ---------- section shell ---------- */

.page-about .about-seg {
  padding: clamp(48px, 8vw, 104px) 0;
  border-bottom: var(--line);
}

.page-about .about-seg--alt {
  background: var(--paper-2);
}

.page-about .about-seg--slate {
  background: var(--slate);
  color: var(--paper);
  border-bottom-color: var(--slate);
}

.page-about .about-seg-head {
  max-width: 46em;
}

.page-about .about-seg-head .ax-section-title {
  font-size: clamp(24px, 4vw, 46px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
  margin: 8px 0 0;
}

.page-about .about-seg-note {
  margin: 12px 0 0;
  color: var(--gray-500);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-seg-head--inverse .ax-kicker {
  color: var(--gold);
}

.page-about .about-seg-head--inverse .ax-section-title {
  color: var(--paper);
}

.page-about .about-seg-note--inverse {
  color: var(--gray-200);
}

/* ---------- timeline ---------- */

.page-about .about-tl-grid {
  margin-top: clamp(28px, 5vw, 56px);
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--gray-200);
}

.page-about .about-tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-about .about-tl-item:last-child {
  padding-bottom: 0;
}

.page-about .about-tl-marker {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--paper);
  background: var(--blue);
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}

.page-about .about-tl-body {
  padding-top: 4px;
  min-width: 0;
}

.page-about .about-tl-era {
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-about .about-tl-title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -.005em;
}

.page-about .about-tl-text {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 34em;
}

.page-about .about-tl-body .ax-disclosure-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  border-left: 3px solid var(--pulse);
  padding-left: 12px;
}

.page-about .about-tl-body .ax-disclosure-panel a {
  color: var(--blue);
}

.page-about .ax-disclosure-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  padding: 4px 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--blue);
}

.page-about .ax-disclosure-icon {
  display: inline-block;
  transition: transform 180ms var(--ease);
  font-size: 14px;
}

.page-about .ax-disclosure-trigger[aria-expanded="true"] .ax-disclosure-icon {
  transform: rotate(90deg);
}

.page-about .ax-disclosure-panel {
  padding: 10px 0 0;
}

/* ---------- side index ---------- */

.page-about .about-side-card {
  border: var(--line);
  border-top: 4px solid var(--gold);
  background: var(--paper);
  box-shadow: var(--shadow-plate);
  padding: 18px 18px 20px;
}

.page-about .about-side-label {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  padding-bottom: 8px;
  border-bottom: var(--line);
}

.page-about .about-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-side-list li {
  display: grid;
  gap: 2px;
}

.page-about .about-side-list a {
  color: var(--blue);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  border-bottom: 1px solid var(--gray-200);
  justify-self: start;
  padding-bottom: 1px;
}

.page-about .about-side-list a:hover {
  border-bottom-color: var(--blue);
}

.page-about .about-side-list span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray-500);
}

.page-about .about-side-note {
  margin-top: 14px;
}

/* ---------- photos ---------- */

.page-about .about-photo {
  margin: clamp(28px, 5vw, 56px) 0 0;
  padding: 0;
}

.page-about .about-photo img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--line);
  background: var(--gray-200);
}

.page-about .about-photo-cap {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--gray-500);
}

/* ---------- definition cards ---------- */

.page-about .about-legend {
  margin-top: clamp(20px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-about .about-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 6px;
  vertical-align: -1px;
}

.page-about .about-swatch--blue { background: var(--blue); }
.page-about .about-swatch--orange { background: var(--orange); }
.page-about .about-swatch--teal { background: var(--teal); }
.page-about .about-swatch--gold { background: var(--gold); }

.page-about .about-def-grid {
  margin-top: clamp(22px, 4vw, 40px);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-def.ax-card {
  border: var(--line);
  border-left: 4px solid var(--tone, var(--blue));
  background: var(--paper);
  box-shadow: var(--shadow-plate);
  padding: 18px 18px 20px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.page-about .about-def .ax-card-num,
.page-about .about-def .ax-card-cat {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-about .about-def .ax-card-num {
  color: var(--tone, var(--blue));
}

.page-about .about-def .ax-card-cat {
  color: var(--gray-500);
}

.page-about .about-def-title {
  margin: 4px 0 0;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.35;
}

.page-about .about-def-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .about-def .ax-card-source {
  margin: 6px 0 0;
  padding-top: 10px;
  border-top: var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .03em;
  line-height: 1.7;
  color: var(--gray-500);
}

.page-about .about-def .ax-card-source a {
  color: var(--tone, var(--blue));
}

.page-about .about-def-note {
  margin-top: 20px;
}

/* ---------- roles ---------- */

.page-about .about-roles {
  margin-top: clamp(24px, 4vw, 44px);
  display: grid;
  gap: 0;
}

.page-about .about-role {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: var(--line);
  transition: background-color 160ms var(--ease);
}

.page-about .about-role:last-child {
  border-bottom: var(--line);
}

.page-about .about-role:hover .ax-index-num {
  color: var(--blue);
}

.page-about .about-role .ax-index-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gray-500);
  padding-top: 3px;
}

.page-about .about-role .ax-index-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.005em;
}

.page-about .about-role .ax-index-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 46em;
}

/* ---------- review flow ---------- */

.page-about .about-flow {
  list-style: none;
  margin: clamp(24px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(244, 241, 234, .18);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-flow-step {
  background: rgba(244, 241, 234, .06);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-about .about-flow-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-about .about-flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray-200);
}

.page-about .about-fix {
  margin-top: clamp(24px, 4vw, 44px);
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-fix-main {
  border-left: 3px solid var(--alert);
  padding-left: 16px;
}

.page-about .about-fix-title {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-fix-main p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-200);
  max-width: 40em;
}

.page-about .about-fix-meta a {
  color: var(--gold);
}

.page-about .about-fix-side {
  border: 1px solid rgba(244, 241, 234, .28);
  padding: 16px 18px 18px;
  background: rgba(244, 241, 234, .05);
}

.page-about .about-fix-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-about .about-fix-format {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--paper);
  word-break: break-word;
}

.page-about .about-copy.ax-btn {
  border-color: var(--gray-200);
  color: var(--paper);
  background: transparent;
}

.page-about .about-copy.ax-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-about .about-copy[data-copied] {
  border-color: var(--gold);
  color: var(--gold);
}

.page-about .about-fix-note {
  margin-top: 10px;
  color: var(--gray-500);
  font-size: 12px;
}

/* ---------- region ---------- */

.page-about .about-region-layout {
  margin-top: clamp(24px, 4vw, 44px);
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-about .about-region-figure {
  border: var(--line);
  background: var(--paper);
  padding: 12px;
  box-shadow: var(--shadow-plate);
}

.page-about .about-net {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-net-lines line {
  stroke: var(--gray-200);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.page-about .about-net-nodes circle {
  fill-opacity: .18;
  stroke-width: 2;
}

.page-about .about-net-nodes circle[data-tone="blue"] {
  fill: var(--blue);
  stroke: var(--blue);
}

.page-about .about-net-nodes circle[data-tone="teal"] {
  fill: var(--teal);
  stroke: var(--teal);
}

.page-about .about-net-nodes circle[data-tone="gold"] {
  fill: var(--gold);
  stroke: var(--gold);
}

.page-about .about-net-nodes text {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .04em;
  fill: var(--ink);
  text-anchor: middle;
  dominant-baseline: middle;
}

.page-about .about-region-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-about .about-region-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: var(--line);
}

.page-about .about-region-list li:first-child {
  border-top: var(--line);
}

.page-about .about-region-name {
  font-size: 15px;
  font-weight: 600;
}

.page-about .about-region-num {
  font-family: var(--mono);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--teal);
}

.page-about .about-region-note {
  margin-top: 24px;
}

/* ---------- cta ---------- */

.page-about .about-cta {
  padding: clamp(40px, 6vw, 72px) 0;
  background: var(--paper-2);
  border-bottom: var(--line);
}

.page-about .about-cta-inner {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.page-about .about-cta-kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-about .about-cta-title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
}

.page-about .about-cta-text p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 38em;
}

.page-about .about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta-actions .ax-btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-size: 14px;
  letter-spacing: .02em;
  box-sizing: border-box;
}

.page-about .about-cta-actions .ax-btn--primary {
  background: var(--blue);
  color: var(--paper);
  border: 1px solid var(--blue);
}

.page-about .about-cta-actions .ax-btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.page-about .about-cta-actions .ax-btn--ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- reveal ---------- */

.page-about .ax-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

.page-about .ax-reveal.ax-in {
  opacity: 1;
  transform: none;
}

/* ---------- responsive ---------- */

@media (min-width: 640px) {
  .page-about .about-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-def-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-region-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .about-tl-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-side {
    position: sticky;
    top: 24px;
  }

  .page-about .about-role {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 22px 0;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-fix {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-photo--wide {
    margin-left: calc(100% / 12);
    margin-right: calc(100% / 12 * 2);
    max-width: none;
  }

  .page-about .about-photo--offset {
    margin-left: calc(100% / 12 * 2);
    margin-right: calc(100% / 12 * 3);
    max-width: none;
  }

  .page-about .about-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1200px) {
  .page-about .about-def-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ax-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .ax-disclosure-icon {
    transition: none;
  }
}
<<<END>>>