.page-about {
  --about-rail: 48px;
  --about-ink: var(--star);
  --about-muted: var(--mist);
  --about-link: var(--purple-soft);
  --card-bg: var(--orbit);
  --card-border: var(--line);
  --card-shadow: 6px 6px 0 rgba(3, 6, 15, .85);
  --card-ink: var(--star);
  background: var(--void);
  color: var(--star);
  font-family: var(--font-sans);
}

.page-about .about-hero {
  padding: clamp(24px, 4vw, 44px) 0 0;
  background:
    radial-gradient(circle at 84% 6%, rgba(108, 76, 241, .34), transparent 56%),
    radial-gradient(circle at 8% 92%, rgba(53, 224, 208, .14), transparent 52%),
    var(--void);
  border-bottom: 2px solid var(--line);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 18px;
}

.page-about .about-hero__title {
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--star);
  margin: 8px 0 16px;
  max-width: 18ch;
}

.page-about .about-hero__lede {
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--mist);
  margin: 0 0 22px;
  max-width: 40rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-content: start;
}

.page-about .about-stat {
  border: 2px solid var(--line);
  box-shadow: 4px 4px 0 rgba(3, 6, 15, .9);
  background: var(--orbit);
  border-radius: var(--radius);
  padding: 12px 14px;
}

.page-about .about-stat:nth-child(2),
.page-about .about-stat:nth-child(4) {
  margin-top: 16px;
}

.page-about .about-stat__figure {
  display: flex;
  align-items: baseline;
  gap: 5px;
  flex-wrap: wrap;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-about .about-stat__unit {
  font-size: 12px;
  color: var(--star);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--mist);
  line-height: 1.5;
}

.page-about .about-hero__figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-top: 2px solid var(--line);
  background: var(--deep);
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.88) contrast(1.06);
}

.page-about .about-hero__figure figcaption {
  padding: 10px var(--gutter);
  border-top: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-about .about-index {
  background: var(--orbit);
  border-bottom: 2px solid var(--line);
  padding: 10px 0;
}

.page-about .about-index__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-about .about-index__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
  border-right: 2px solid var(--line);
  padding-right: 12px;
}

.page-about .about-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-size: 13px;
  color: var(--star);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  background: var(--purple);
  border-color: var(--purple);
}

.page-about .about-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-about .about-section {
  padding: clamp(44px, 7vw, 88px) 0;
  border-bottom: 2px solid var(--line);
}

.page-about .about-section--dark {
  background: var(--void);
}

.page-about .about-section--orbit {
  background:
    linear-gradient(180deg, rgba(108, 76, 241, .16), transparent 60%),
    var(--orbit);
}

.page-about .about-section--light {
  --about-ink: var(--ink);
  --about-muted: #4a5280;
  --about-link: var(--purple);
  --card-bg: var(--paper);
  --card-border: var(--ink);
  --card-shadow: 6px 6px 0 rgba(16, 21, 52, .16);
  --card-ink: var(--ink);
  background: var(--star);
  border-bottom-color: var(--ink);
}

.page-about .about-section--paper {
  --about-ink: var(--ink);
  --about-muted: #4a5280;
  --about-link: var(--purple);
  --card-bg: var(--paper);
  --card-border: var(--ink);
  --card-shadow: 6px 6px 0 rgba(16, 21, 52, .16);
  --card-ink: var(--ink);
  background: var(--paper);
  border-bottom-color: var(--ink);
}

.page-about .about-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-about .about-eyebrow__num {
  color: var(--mist);
}

.page-about .about-section--light .about-eyebrow__num,
.page-about .about-section--paper .about-eyebrow__num {
  color: #7c85b3;
}

.page-about .about-eyebrow--orange {
  color: var(--orange);
}

.page-about .about-h2 {
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--about-ink);
  margin: 0 0 14px;
  max-width: 24ch;
}

.page-about .about-p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--about-muted);
  margin: 0 0 12px;
  max-width: 44rem;
}

.page-about .about-head {
  margin-bottom: 26px;
}

.page-about .about-inline-link {
  color: var(--about-link);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-about .about-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--radius);
  color: var(--card-ink);
  padding: 18px;
}

.page-about .about-card__title {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--card-ink);
}

.page-about .about-quote {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 6px solid var(--purple);
  background: rgba(108, 76, 241, .14);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--about-ink);
  max-width: 42rem;
}

.page-about .about-section--light .about-quote,
.page-about .about-section--paper .about-quote {
  background: rgba(108, 76, 241, .09);
}

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

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

.page-about .about-kvlist li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14px;
}

.page-about .about-kvlist li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-kvlist__k {
  color: var(--mist);
}

.page-about .about-kvlist__v {
  color: var(--star);
  font-weight: 600;
}

.page-about .about-orbit {
  margin: 0 0 32px;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
}

.page-about .about-orbit img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-node {
  display: grid;
  grid-template-columns: var(--about-rail) minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 26px;
}

.page-about .about-node__rail {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.page-about .about-node__rail::after {
  content: "";
  position: absolute;
  top: 50px;
  bottom: -26px;
  left: 50%;
  width: 2px;
  transform: translateX(-1px);
  background: var(--line);
}

.page-about .about-node:last-child .about-node__rail::after {
  display: none;
}

.page-about .about-node__dot {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--line);
  background: var(--orbit);
  color: var(--cyan);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .about-node:hover .about-node__dot {
  border-color: var(--cyan);
  background: var(--deep);
}

.page-about .about-node__body {
  padding-top: 2px;
  max-width: 100%;
}

.page-about .about-node__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: .01em;
  color: var(--about-ink);
}

.page-about .about-node__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--about-muted);
  max-width: 40rem;
}

.page-about .about-node__result {
  display: inline-block;
  margin: 2px 0 0;
  padding: 5px 10px;
  border-left: 4px solid var(--cyan);
  background: rgba(53, 224, 208, .1);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-about .about-hub-grid {
  display: grid;
  gap: 16px;
}

.page-about .about-hub__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--purple);
  border: 1px solid var(--purple);
  padding: 2px 7px;
  border-radius: var(--radius);
  margin-bottom: 10px;
}

.page-about .about-hub__name {
  margin: 0 0 8px;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-about .about-hub__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: #4a5280;
}

.page-about .about-flow {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--about-muted);
  max-width: 46rem;
}

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

.page-about .about-cert__media {
  margin: 0;
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 rgba(16, 21, 52, .16);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--star);
}

.page-about .about-cert__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-cert__media figcaption {
  padding: 9px 14px;
  border-top: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
  color: #4a5280;
}

.page-about .about-cert-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-cert {
  border: 2px solid var(--ink);
  background: var(--star);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.page-about .about-cert__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--purple);
  margin-bottom: 4px;
}

.page-about .about-cert__name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
}

.page-about .about-cert p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: #4a5280;
}

.page-about .about-cert__note {
  margin: 0;
  padding: 12px 16px;
  border-left: 6px solid var(--purple);
  background: rgba(108, 76, 241, .09);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink);
}

.page-about .about-sup__grid {
  display: grid;
  gap: 26px;
}

.page-about .about-sup__stats {
  display: grid;
  gap: 12px;
}

.page-about .about-sup__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-sup__num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-about .about-sup__label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-about .about-partners__grid {
  display: grid;
  gap: 14px;
}

.page-about .about-partners__title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ink);
}

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

.page-about .about-partners__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: #4a5280;
}

.page-about .about-partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--purple);
  border-radius: 50%;
}

.page-about .about-details {
  margin-top: 16px;
  border: 2px dashed var(--purple);
  border-radius: var(--radius);
  background: rgba(108, 76, 241, .07);
  padding: 14px 16px;
}

.page-about .about-details summary {
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: .02em;
  list-style: none;
}

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

.page-about .about-details summary::before {
  content: "＋";
  font-family: var(--font-mono);
  margin-right: 8px;
}

.page-about .about-details[open] summary::before {
  content: "－";
}

.page-about .about-details p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: #4a5280;
  max-width: 46rem;
}

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

.page-about .about-legacy__title {
  color: var(--star);
  border-bottom: 2px dashed rgba(255, 138, 61, .55);
  display: inline-block;
  padding-bottom: 6px;
}

.page-about .about-legacy__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 11px 18px;
  border: 2px dashed var(--orange);
  border-radius: var(--radius);
  background: rgba(255, 138, 61, .12);
  color: var(--orange);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-legacy__btn:hover,
.page-about .about-legacy__btn:focus-visible {
  background: var(--orange);
  color: var(--deep);
}

.page-about .about-legacy__stats {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-about .about-legacy__stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-about .about-legacy__stat:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .about-legacy__stat dt {
  font-size: 13px;
  color: var(--mist);
}

.page-about .about-legacy__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
  text-align: right;
}

.page-about .about-results {
  border-bottom: 0;
}

.page-about .about-results__grid {
  display: grid;
  gap: 14px;
  margin: 26px 0 24px;
}

.page-about .about-result {
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--orbit);
  border-radius: var(--radius);
  padding: 20px;
}

.page-about .about-result__figure {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-about .about-result__num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 58px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-about .about-result__unit {
  font-size: 14px;
  color: var(--star);
}

.page-about .about-result p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-results__note {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 52rem;
}

.page-about .about-results__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-about .about-results__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-about .about-sup__card--wide {
    grid-column: 1 / -1;
  }

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

  .page-about .about-hub:nth-child(2) {
    margin-top: 26px;
  }

  .page-about .about-hub:nth-child(3) {
    margin-top: 12px;
  }

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

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

@media (min-width: 900px) {
  .page-about {
    --about-rail: 72px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 6.8fr) minmax(0, 5.2fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-start__grid {
    grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-cert__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 36px;
    align-items: start;
  }

  .page-about .about-sup__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .about-legacy__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-node {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 28px;
    padding-bottom: 34px;
  }

  .page-about .about-node__dot {
    width: 64px;
    height: 64px;
    font-size: 16px;
  }

  .page-about .about-node__rail::after {
    top: 70px;
    bottom: -34px;
  }

  .page-about .about-node__title {
    font-size: 21px;
  }

  .page-about .about-node:nth-child(1) .about-node__body { max-width: 30rem; }
  .page-about .about-node:nth-child(2) .about-node__body { max-width: 46rem; }
  .page-about .about-node:nth-child(3) .about-node__body { max-width: 38rem; }
  .page-about .about-node:nth-child(4) .about-node__body { max-width: 48rem; }
  .page-about .about-node:nth-child(5) .about-node__body { max-width: 34rem; }
  .page-about .about-node:nth-child(6) .about-node__body { max-width: 42rem; }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-index__list a,
  .page-about .about-node__dot,
  .page-about .about-legacy__btn {
    transition: none;
  }
}
<<<END>>>