.page-about {
  --about-rail-w: 140px;
  --about-card-bg: #111C33;
  --about-line-soft: rgba(20, 26, 36, .16);
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .about-h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.06;
  letter-spacing: .01em;
  font-weight: 800;
  margin: 0 0 clamp(16px, 2.4vw, 28px);
  text-wrap: balance;
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 0 0 clamp(14px, 2vw, 22px);
  text-wrap: balance;
}

.page-about .about-h2 + p,
.page-about .about-text p {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
  max-width: 68ch;
  margin: 0 0 1.15em;
}

.page-about .about-text p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 208, 230, .4);
}

.page-about .about-text p a:hover,
.page-about .about-text p a:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--cyan);
}

.page-about .about-hero {
  padding-block: clamp(28px, 4.5vw, 56px) clamp(36px, 5vw, 72px);
  background:
    radial-gradient(circle at 86% 8%, rgba(37, 208, 230, .14), transparent 55%),
    radial-gradient(circle at 8% 92%, rgba(255, 107, 44, .12), transparent 58%);
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 36px);
  padding: 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--rock);
}

.page-about .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

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

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-about .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.page-about .about-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-about .about-hero-copy .lede {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--rock-light);
  max-width: 62ch;
  margin: 0 0 clamp(20px, 3vw, 32px);
}

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

.page-about .about-hero-figure {
  margin: 0;
}

.page-about .about-hero-figure .media-frame {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--ink-2);
}

.page-about .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-about .media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--rock);
  letter-spacing: .02em;
}

.page-about .about-ledger {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 5vw, 56px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .about-ledger li {
  background: var(--ink-2);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-ledger .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 2.8vw, 32px);
  font-weight: 700;
  color: var(--yellow);
  line-height: 1;
}

.page-about .about-ledger .lbl {
  font-size: 12.5px;
  color: var(--rock-light);
  line-height: 1.5;
}

.page-about .about-chapter {
  padding-block: clamp(40px, 6vw, 84px);
  border-top: 1px solid var(--line);
}

.page-about .about-chapter--last {
  border-bottom: 1px solid var(--line);
}

.page-about .about-chapter-grid {
  display: grid;
  gap: clamp(18px, 3vw, 36px);
}

.page-about .about-rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-about .rail-label {
  margin: 0;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rock);
  align-self: center;
}

.page-about .year-tick {
  flex: 0 0 auto;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 2px;
  border-bottom: 2px solid var(--line);
  color: var(--rock);
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-about .year-tick .tick-year {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .06em;
}

.page-about .year-tick em {
  font-style: normal;
  font-size: 12px;
  color: var(--rock);
}

.page-about .year-tick:hover,
.page-about .year-tick:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-about .year-tick:hover em,
.page-about .year-tick:focus-visible em {
  color: var(--rock-light);
}

.page-about .about-rail--plain {
  align-items: center;
}

.page-about .rail-mark {
  flex: 0 0 auto;
  width: 2px;
  height: 22px;
  background: var(--line);
}

.page-about .rail-mark:nth-child(2) {
  background: var(--moss);
}

.page-about .rail-mark:nth-child(3) {
  background: var(--cyan);
}

.page-about .about-body {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-about .about-note {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--ink-2);
  padding: 18px 20px;
  align-self: start;
}

.page-about .about-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock-light);
}

.page-about .note-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 10px !important;
}

.page-about .about-note--figure {
  padding: 0;
  border-left-width: 1px;
  border-color: var(--line);
  background: transparent;
}

.page-about .about-note--figure .media-frame {
  border: 2px solid var(--line);
  overflow: hidden;
}

.page-about .about-note--figure .note-body {
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-about .about-team {
  padding-block: clamp(40px, 6vw, 84px);
  color: var(--ink-text);
}

.page-about .about-section-head {
  max-width: 76ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-about .eyebrow {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 12px;
}

.page-about .eyebrow--dark {
  color: var(--cyan-deep);
}

.page-about .about-intro {
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(20, 26, 36, .78);
  max-width: 66ch;
  margin: 0;
}

.page-about .about-team .about-h2 {
  color: var(--ink-text);
}

.page-about .team-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-about .team-card {
  border: 2px solid var(--about-line-soft);
  background: rgba(255, 255, 255, .55);
  padding: 20px 22px 22px;
  box-shadow: 6px 6px 0 rgba(20, 26, 36, .12);
  transition: border-color .18s var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--moss);
}

.page-about .team-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--clay);
  margin: 0 0 10px;
}

.page-about .team-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
  margin: 0 0 10px;
  color: var(--ink-text);
}

.page-about .team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(20, 26, 36, .76);
}

.page-about .flow-scroll {
  overflow-x: auto;
  padding: 4px 0 12px;
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-about .about-flow {
  display: block;
  width: 100%;
  min-width: 620px;
  height: auto;
}

.page-about .flow-step rect {
  fill: var(--ink-2);
  stroke: var(--line);
  stroke-width: 2;
  transition: stroke .18s var(--ease), fill .18s var(--ease);
}

.page-about .flow-step:hover rect {
  stroke: var(--cyan);
  fill: #16233d;
}

.page-about .flow-k {
  fill: var(--paper);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
}

.page-about .flow-s {
  fill: var(--rock);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .02em;
}

.page-about .flow-arrow {
  stroke: var(--yellow);
  stroke-width: 2;
  stroke-dasharray: 5 4;
}

.page-about .about-partners {
  padding-block: clamp(40px, 6vw, 84px);
  background:
    linear-gradient(180deg, rgba(111, 143, 106, .10), transparent 60%),
    var(--ink-2);
  border-top: 1px solid var(--line);
}

.page-about .partner-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .partner-copy p {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--rock-light);
  max-width: 64ch;
  margin: 0 0 1.1em;
}

.page-about .partner-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-about .partner-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--rock);
}

.page-about .partner-list .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 700;
  color: var(--moss);
  line-height: 1;
}

.page-about .partner-figure {
  margin: 0;
}

.page-about .partner-figure .media-frame {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-about .about-milestones {
  padding-block: clamp(40px, 6vw, 84px);
  border-top: 1px solid var(--line);
}

.page-about .filter-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-about .filter-btn {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  padding: 10px 18px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--rock-light);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-about .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--paper);
}

.page-about .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}

.page-about .filter-btn:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
}

.page-about .filter-status {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--rock);
}

.page-about .milestone-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-about .milestone {
  border: 2px solid var(--line);
  background: var(--about-card-bg);
  padding: 20px 22px 22px;
  box-shadow: var(--shadow-hard);
  transition: border-color .18s var(--ease);
  scroll-margin-top: 120px;
}

.page-about .milestone:hover,
.page-about .milestone:target {
  border-color: var(--cyan);
}

.page-about .milestone-year {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--yellow);
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-about .milestone h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
  margin: 0 0 10px;
  color: var(--paper);
}

.page-about .milestone p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--rock-light);
}

.page-about .about-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 28px);
  margin-top: clamp(24px, 3.2vw, 40px);
  padding: clamp(22px, 3.4vw, 38px);
  border: 2px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-about .contact-block h3 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-about .contact-block p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-about .contact-block p a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-about .contact-block p a:hover,
.page-about .contact-block p a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-about .contact-hint {
  font-size: 13px !important;
  line-height: 1.65 !important;
  color: var(--rock) !important;
}

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

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

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

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

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }

  .page-about .about-chapter-grid {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
  }

  .page-about .about-rail {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 120px;
    align-self: start;
  }

  .page-about .rail-label {
    align-self: flex-start;
    margin-bottom: 6px;
  }

  .page-about .year-tick {
    padding: 9px 0 9px 14px;
    border-bottom: 0;
    border-left: 2px solid var(--line);
  }

  .page-about .year-tick:hover,
  .page-about .year-tick:focus-visible {
    border-left-color: var(--orange);
  }

  .page-about .about-rail--plain {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-about .rail-mark {
    width: 26px;
    height: 2px;
  }

  .page-about .partner-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-about .about-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
  }

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

@media (min-width: 1200px) {
  .page-about .milestone-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .year-tick,
  .page-about .filter-btn,
  .page-about .milestone,
  .page-about .team-card,
  .page-about .flow-step rect {
    transition: none;
  }
}
<<<END>>>