.page-about {
  --about-panel-gap: clamp(32px, 6vw, 72px);
  background: var(--ink-900);
  color: var(--paper-100);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(32px, 5vw, 64px) 0 clamp(44px, 7vw, 84px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-700) 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -1px;
  left: -8%;
  height: clamp(48px, 8vw, 110px);
  background: var(--ink-900);
  clip-path: polygon(0 62%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero__shell {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 56px);
  color: var(--paper-100);
  font-size: 13px;
  opacity: 0.7;
}

.page-about .breadcrumb a {
  color: var(--paper-100);
  text-decoration: none;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--orange-500);
}

.page-about .about-hero__eyebrow {
  color: var(--orange-500);
  letter-spacing: 0.12em;
}

.page-about .about-hero__title {
  max-width: 13ch;
  margin: 16px 0 0;
  color: var(--paper-050);
  font-family: var(--font-display);
  font-size: clamp(46px, 9vw, 100px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 0.92;
}

.page-about .about-hero__accent {
  display: block;
  color: var(--orange-500);
}

.page-about .about-hero__lede {
  max-width: 60ch;
  margin: clamp(22px, 3vw, 34px) 0 0;
  color: var(--paper-100);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.8;
  opacity: 0.82;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(34px, 5vw, 54px);
  border-top: 1px solid var(--line-dark);
}

.page-about .about-stat {
  padding: 16px 12px 16px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-about .about-stat__value {
  display: block;
  color: var(--signal-400);
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.1;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 6px;
  color: var(--paper-100);
  font-size: 13px;
  opacity: 0.65;
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(64px, 10vw, 120px);
}

.page-about .about-index {
  order: -1;
  padding: 14px 0;
  border-top: 1px solid var(--line-dark);
}

.page-about .about-index__label {
  display: block;
  margin-bottom: 10px;
  color: var(--signal-400);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-about .about-index ol {
  display: flex;
  gap: 18px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .about-index li {
  flex: 0 0 auto;
}

.page-about .about-index a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: var(--paper-100);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  border-color: var(--orange-500);
  color: var(--orange-500);
}

.page-about .about-index__num {
  color: var(--orange-500);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-about .about-body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--about-panel-gap);
}

.page-about .about-chapter {
  padding: clamp(24px, 4vw, 52px);
  border: 1px solid var(--line-paper);
  background: var(--paper-100);
  box-shadow: 0 24px 48px -40px var(--shadow-green);
  color: var(--graphite-900);
  scroll-margin-top: 96px;
}

.page-about .about-chapter--ink {
  border-color: var(--line-dark);
  background: var(--ink-700);
  color: var(--paper-100);
}

.page-about .about-chapter__kicker {
  margin: 0;
  color: var(--orange-500);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-about .about-chapter__title {
  max-width: 18ch;
  margin: 10px 0 18px;
  color: var(--graphite-900);
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.page-about .about-chapter--ink .about-chapter__title {
  color: var(--paper-050);
}

.page-about .about-chapter p {
  max-width: 66ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
}

.page-about .about-chapter__lead {
  color: var(--steel-600);
  font-size: 17px;
}

.page-about .about-chapter--ink .about-chapter__lead {
  color: var(--paper-100);
  opacity: 0.8;
}

.page-about .about-quote {
  max-width: 36ch;
  margin: 28px 0;
  padding-left: 20px;
  border-left: 3px solid var(--orange-500);
  color: var(--graphite-900);
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.55;
}

.page-about .about-figure {
  margin: 30px 0 0;
}

.page-about .about-figure .media-frame {
  overflow: hidden;
  border: 1px solid var(--line-paper);
  background: var(--ink-700);
}

.page-about .about-chapter--ink .about-figure .media-frame {
  border-color: var(--line-dark);
}

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

.page-about .about-figure figcaption {
  margin-top: 10px;
  color: var(--steel-600);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-chapter--ink .about-figure figcaption {
  color: var(--paper-100);
  opacity: 0.6;
}

.page-about .flow-list {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .flow-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--line-paper);
}

.page-about .flow-time {
  color: var(--orange-500);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-about .flow-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 600;
}

.page-about .flow-item p {
  margin: 0;
  color: var(--steel-600);
  font-size: 15px;
}

.page-about .network-grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-about .network-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .network-list li {
  padding-top: 14px;
  border-top: 1px solid var(--line-dark);
}

.page-about .network-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--paper-050);
  font-size: 17px;
}

.page-about .network-list span {
  display: block;
  color: var(--paper-100);
  font-size: 15px;
  line-height: 1.75;
  opacity: 0.78;
}

.page-about .about-figure--network {
  margin-top: 0;
}

.page-about .version-list {
  position: relative;
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .version-list::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 17px;
  width: 1px;
  background: var(--line-paper);
}

.page-about .version-item {
  position: relative;
  padding-left: 52px;
}

.page-about .version-item::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 12px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--signal-400);
  box-shadow: 0 0 0 4px var(--paper-100);
}

.page-about .version-item details {
  border: 1px solid var(--line-paper);
  background: var(--paper-050);
}

.page-about .version-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.15;
  list-style: none;
}

.page-about .version-item summary::-webkit-details-marker {
  display: none;
}

.page-about .version-item summary:hover {
  background: var(--orange-200);
}

.page-about .version-item__label {
  color: var(--orange-500);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-about .version-item__body {
  padding: 0 18px 18px;
}

.page-about .version-item__body p {
  margin: 0;
  color: var(--steel-600);
  font-size: 15px;
}

.page-about .team-bar-wrap {
  margin: 30px 0 22px;
}

.page-about .team-bar {
  display: block;
  width: 100%;
  height: 28px;
}

.page-about .team-bar__seg {
  transition: opacity 180ms var(--ease-out);
}

.page-about .team-bar:hover .team-bar__seg {
  opacity: 0.55;
}

.page-about .team-bar .team-bar__seg:hover {
  opacity: 1;
}

.page-about .team-bar__seg--edit {
  fill: var(--orange-500);
}

.page-about .team-bar__seg--video {
  fill: var(--ink-700);
}

.page-about .team-bar__seg--data {
  fill: var(--steel-600);
}

.page-about .team-bar__seg--product {
  fill: var(--concrete-400);
}

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

.page-about .team-legend li {
  padding-left: 12px;
  border-left: 3px solid var(--orange-500);
}

.page-about .team-legend li:nth-child(2) {
  border-color: var(--ink-700);
}

.page-about .team-legend li:nth-child(3) {
  border-color: var(--steel-600);
}

.page-about .team-legend li:nth-child(4) {
  border-color: var(--concrete-400);
}

.page-about .team-legend__role {
  display: block;
  margin-bottom: 2px;
  font-size: 16px;
  font-weight: 600;
}

.page-about .team-legend__desc {
  display: block;
  color: var(--steel-600);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .correction-list {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .correction-list li {
  padding: 16px 0;
  border-top: 1px solid var(--line-dark);
}

.page-about .correction-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--paper-050);
  font-size: 17px;
}

.page-about .correction-list span {
  display: block;
  color: var(--paper-100);
  font-size: 15px;
  line-height: 1.75;
  opacity: 0.78;
}

.page-about .about-end {
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line-dark);
  background: var(--ink-700);
  scroll-margin-top: 96px;
}

.page-about .about-end__title {
  margin: 0 0 10px;
  color: var(--paper-050);
  font-family: var(--font-display);
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.1;
}

.page-about .about-end__text {
  max-width: 66ch;
  margin: 0;
  color: var(--paper-100);
  font-size: 15px;
  line-height: 1.8;
  opacity: 0.8;
}

.page-about .about-end__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
}

.page-about .about-end__link {
  color: var(--paper-100);
  font-size: 14px;
  text-decoration: underline;
  text-decoration-color: var(--orange-500);
  text-underline-offset: 4px;
}

.page-about .about-end__link:hover,
.page-about .about-end__link:focus-visible {
  color: var(--orange-500);
}

.page-about .about-end__link--top {
  margin-left: auto;
  color: var(--signal-400);
}

@media (min-width: 640px) {
  .page-about .flow-item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 18px;
  }

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

@media (min-width: 720px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-stat {
    padding: 16px 18px;
    border-bottom: 0;
    border-left: 1px solid var(--line-dark);
  }

  .page-about .about-stat:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-about .network-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .about-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
    grid-template-areas: "body index";
    align-items: start;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-body {
    grid-area: body;
  }

  .page-about .about-index {
    order: 0;
    grid-area: index;
    position: sticky;
    top: 88px;
    align-self: start;
    padding: 4px 0 4px 24px;
    border-top: 0;
    border-left: 1px solid var(--line-dark);
  }

  .page-about .about-index ol {
    display: grid;
    gap: 0;
    overflow: visible;
  }

  .page-about .about-index a {
    padding: 12px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .page-about .about-chapter {
    padding: clamp(36px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-bar__seg {
    transition: none;
  }
}
<<<END>>>