.page-about {
  background: var(--c-base);
  color: var(--c-ink);
  overflow-wrap: break-word;
}

.page-about .hero {
  padding-top: 8px;
}

.page-about .hero-grid {
  display: grid;
  gap: 32px;
  padding-bottom: calc(var(--section-y) * .8);
}

.page-about .hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-green);
  text-transform: uppercase;
}

.page-about .hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.2vw, 56px);
  line-height: 1.12;
  letter-spacing: -.03em;
}

.page-about .hero-lead {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-about .hero-panel {
  position: relative;
  background: var(--c-deep);
  color: #fff;
  padding: 28px 22px 40px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 88%);
}

.page-about .panel-title {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .66);
}

.page-about .stat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 16px;
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}

.page-about .stat-unit {
  font-size: 15px;
  margin-left: 2px;
}

.page-about .stat-label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, .7);
}

.page-about .panel-foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .16);
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .62);
}

.page-about .chapter {
  padding: calc(var(--section-y) * .7) 0;
  border-top: 1px solid var(--c-line);
  scroll-margin-top: 120px;
}

.page-about .chapter-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 22px;
}

.page-about .chapter-num {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.05em;
  color: var(--c-mist);
  text-decoration: none;
  font-variant-numeric: tabular-nums;
  transition: color 200ms var(--ease);
}

.page-about .chapter-num:hover {
  color: var(--c-green);
}

.page-about .chapter-num:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 4px;
  color: var(--c-green);
}

.page-about .chapter-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.page-about .chapter-body {
  display: grid;
  gap: 20px;
}

.page-about .chapter-col p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-ink);
}

.page-about .chapter-col p:last-child {
  margin-bottom: 0;
}

.page-about .span-2 {
  grid-column: 1 / -1;
}

.page-about .inline-link {
  color: var(--c-sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 127, 168, .35);
  padding-bottom: 1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .inline-link:hover {
  color: var(--c-green);
  border-color: var(--c-green);
}

.page-about .inline-link:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 3px;
}

.page-about .layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .layer {
  border-top: 2px solid var(--c-green);
  padding-top: 14px;
}

.page-about .layer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--c-stone);
}

.page-about .layer-when {
  color: var(--c-orange-ink);
  font-weight: 700;
}

.page-about .layer-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.35;
}

.page-about .layer p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-ink);
  max-width: 52ch;
}

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

.page-about .chapter-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-about .chapter-figure--wide img {
  aspect-ratio: 2 / 1;
}

.page-about .verify-figure {
  margin: 0;
  padding: 22px 18px 18px;
  background: var(--c-mist);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.page-about .verify-figure svg {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
}

.page-about .v-circle {
  fill-opacity: 1;
  stroke-width: 1.5;
}

.page-about .v-c1 {
  stroke: var(--c-green);
  fill: rgba(14, 107, 79, .10);
}

.page-about .v-c2 {
  stroke: var(--c-sky);
  fill: rgba(46, 127, 168, .10);
}

.page-about .v-c3 {
  stroke: var(--c-orange);
  fill: rgba(242, 106, 33, .10);
}

.page-about .v-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  fill: var(--c-deep);
}

.page-about .v-core {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  fill: var(--c-deep);
}

.page-about .verify-figure figcaption {
  margin: 0;
  max-width: 46ch;
  text-align: center;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

.page-about .team-bar {
  display: flex;
  height: 20px;
  margin: 20px 0 14px;
  border-radius: 3px;
  overflow: hidden;
  background: var(--c-mist);
}

.page-about .team-seg {
  display: block;
  height: 100%;
}

.page-about .team-seg--staff {
  flex: 68;
  background: var(--c-green);
}

.page-about .team-seg--observer {
  flex: 140;
  background: var(--c-sky);
}

.page-about .team-legend {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .team-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-ink);
}

.page-about .team-legend strong {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.page-about .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}

.page-about .legend-dot--staff {
  background: var(--c-green);
}

.page-about .legend-dot--observer {
  background: var(--c-sky);
}

.page-about .timeline {
  list-style: none;
  margin: 6px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--c-line);
  display: grid;
  gap: 20px;
}

.page-about .tl-item {
  position: relative;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 5px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border-radius: 50%;
  border: 2px solid var(--c-green);
  background: var(--c-base);
}

.page-about .tl-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-about .tl-toggle:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 4px;
  border-radius: 2px;
}

.page-about .tl-version {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--c-green);
  font-variant-numeric: tabular-nums;
}

.page-about .tl-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.4;
}

.page-about .tl-toggle::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-stone);
}

.page-about .tl-toggle[aria-expanded="true"]::after {
  content: "−";
  color: var(--c-green);
}

.page-about .tl-panel {
  padding-top: 10px;
}

.page-about .tl-panel p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-about .cta-band {
  margin-top: calc(var(--section-y) * .6);
  padding: calc(var(--section-y) * .7) 0 calc(var(--section-y) * .8);
  background: var(--c-deep);
  color: #fff;
  clip-path: polygon(0 0, 100% 3%, 100% 100%, 0 100%);
}

.page-about .cta-inner {
  display: grid;
  gap: 24px;
}

.page-about .cta-copy h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.page-about .cta-copy p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

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

@media (min-width: 620px) {
  .page-about .team-legend {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .layers {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    gap: 56px;
    padding-top: 24px;
    padding-bottom: 88px;
  }

  .page-about .hero-panel {
    padding: 40px 36px 56px;
  }

  .page-about .stat-num {
    font-size: 44px;
  }

  .page-about .chapter {
    display: grid;
    grid-template-columns: minmax(200px, 300px) 1fr;
    gap: 0 56px;
    align-items: start;
  }

  .page-about .chapter-head {
    margin-bottom: 0;
  }

  .page-about .chapter-num {
    font-size: 96px;
    margin-bottom: 12px;
  }

  .page-about .chapter-title {
    font-size: 28px;
  }

  .page-about .chapter-body {
    grid-template-columns: 1fr 1fr;
    gap: 24px 40px;
  }

  .page-about .layers {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .page-about .verify-figure {
    padding: 28px 24px 22px;
  }

  .page-about .cta-inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 48px;
  }

  .page-about .cta-actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .chapter-num,
  .page-about .inline-link {
    transition: none;
  }
}