.page-about {
  --about-rail: 210px;
  display: block;
  color: var(--mist-50);
  background:
    radial-gradient(1100px 520px at 82% -8%, rgba(67, 242, 210, 0.08), transparent 62%),
    radial-gradient(800px 420px at 0% 40%, rgba(255, 90, 43, 0.05), transparent 65%);
}

.page-about .about-hero {
  padding-top: clamp(16px, 3vw, 34px);
  padding-bottom: clamp(28px, 5vw, 58px);
}

.page-about .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-about .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 50px);
  align-items: center;
}

.page-about .hero-title {
  margin: 10px 0 18px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 74px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--mist-50);
}

.page-about .hero-lede {
  max-width: 36em;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.85;
  color: rgba(232, 245, 241, 0.84);
}

.page-about .hero-facts {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 18px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  border-top: 1px solid var(--line-faint);
}

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

.page-about .fact__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--mint-400);
  letter-spacing: -0.01em;
}

.page-about .fact__label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--mist-400);
}

.page-about .hero-copy .btn-row {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-about .hero-visual {
  position: relative;
  isolation: isolate;
}

.page-about .hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: var(--radius-lg);
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.45;
  pointer-events: none;
}

.page-about .pitch-svg {
  display: block;
  width: 100%;
  max-width: 420px;
  height: auto;
  margin-inline: auto;
}

.page-about .about-rail {
  display: none;
}

.page-about .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--mist-400);
}

.page-about .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line-soft);
}

.page-about .rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 0 9px 12px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--mist-400);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .rail-link:hover,
.page-about .rail-link:focus-visible {
  color: var(--mist-50);
  border-left-color: var(--mint-400);
}

.page-about .rail-link__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal-600);
}

.page-about .about-body {
  padding-bottom: clamp(40px, 7vw, 92px);
}

.page-about .about-flow {
  min-width: 0;
}

.page-about .about-section {
  padding-block: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line-faint);
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-about .chapter-tag {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-about .chapter-tag__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--mint-400);
  opacity: 0.78;
  letter-spacing: -0.02em;
}

.page-about .chapter-tag__label {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-about .about-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(23px, 3.5vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--mist-50);
}

.page-about .about-lead {
  margin: 0;
  max-width: 40em;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mint-300);
  opacity: 0.92;
}

.page-about .about-prose {
  display: grid;
  gap: 14px;
  max-width: 38em;
}

.page-about .about-prose p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(232, 245, 241, 0.82);
}

.page-about .about-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  background: var(--line-faint);
  overflow: hidden;
}

.page-about .band-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: var(--ink-900);
}

.page-about .band-cell__num {
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--mint-400);
}

.page-about .band-cell--signal .band-cell__num {
  color: var(--signal-500);
}

.page-about .band-cell__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist-400);
}

.page-about .about-media {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--ink-900);
  overflow: hidden;
}

.page-about .about-media--wide {
  margin-bottom: clamp(20px, 3vw, 30px);
}

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

.page-about .about-media__cap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-top: 1px solid var(--line-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist-400);
  background: var(--ink-900);
}

.page-about .flow {
  --flow-gap: 22px;
  display: grid;
  gap: var(--flow-gap);
  margin: clamp(18px, 3vw, 28px) 0 clamp(22px, 3vw, 32px);
}

.page-about .flow-step {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(18, 51, 43, 0.85), rgba(6, 18, 15, 0.7));
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-about .flow-step:hover {
  border-color: var(--mint-400);
  transform: translateY(-3px);
}

.page-about .flow-step__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--teal-600);
}

.page-about .flow-step__title {
  margin: 8px 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--mist-50);
}

.page-about .flow-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(232, 245, 241, 0.76);
}

.page-about .dossier-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-about .tl {
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--mint-400), var(--line-soft) 55%, transparent);
}

.page-about .tl-node {
  position: relative;
  padding-bottom: clamp(24px, 3.4vw, 38px);
}

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

.page-about .tl-node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 8px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 1px solid var(--mint-400);
  box-shadow: 0 0 0 4px rgba(67, 242, 210, 0.08);
  transition: box-shadow 0.24s var(--ease), background 0.24s var(--ease);
}

.page-about .tl-node:hover::before {
  background: var(--mint-400);
  box-shadow: 0 0 0 7px rgba(67, 242, 210, 0.14);
}

.page-about .tl-node__year {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--mint-400);
  letter-spacing: 0.02em;
}

.page-about .tl-node__title {
  margin: 8px 0 8px;
  font-size: clamp(16.5px, 2vw, 19px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--mist-50);
}

.page-about .tl-node__text {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 245, 241, 0.78);
}

.page-about .tl-link-line {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-about .inline-link {
  color: var(--mint-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(67, 242, 210, 0.4);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .inline-link:hover,
.page-about .inline-link:focus-visible {
  color: var(--mint-300);
  border-bottom-color: var(--mint-300);
}

.page-about .team-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.page-about .team-bars {
  display: grid;
  gap: clamp(18px, 2.4vw, 24px);
}

.page-about .team-row {
  padding: 14px 16px 16px;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  background: rgba(12, 32, 27, 0.55);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-about .team-row:hover {
  border-color: var(--mint-400);
  background: rgba(18, 51, 43, 0.8);
}

.page-about .team-row__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-about .team-row__label {
  font-size: 16px;
  font-weight: 800;
  color: var(--mist-50);
}

.page-about .team-row__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--mint-400);
}

.page-about .team-row__track {
  display: block;
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(30, 92, 76, 0.4);
  overflow: hidden;
}

.page-about .team-row__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--teal-600), var(--mint-400));
  transition: background 0.24s var(--ease);
}

.page-about .team-row:hover .team-row__fill {
  background: linear-gradient(90deg, var(--signal-500), var(--signal-400));
}

.page-about .team-row--edit .team-row__fill {
  width: 39%;
}

.page-about .team-row--tech .team-row__fill {
  width: 32%;
}

.page-about .team-row--ops .team-row__fill {
  width: 29%;
}

.page-about .team-row__duty {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(232, 245, 241, 0.76);
}

.page-about .team-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 38em;
  padding-left: 14px;
  border-left: 2px solid var(--mint-400);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-400);
}

.page-about .principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 22px);
}

.page-about .principle {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line-faint);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(18, 51, 43, 0.6), rgba(6, 18, 15, 0.35));
}

.page-about .principle__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--signal-500);
}

.page-about .principle__title {
  margin: 10px 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--mist-50);
}

.page-about .principle__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(232, 245, 241, 0.78);
}

.page-about .network-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(20px, 3.4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(520px 260px at 100% 0%, rgba(255, 90, 43, 0.14), transparent 70%),
    linear-gradient(160deg, rgba(18, 51, 43, 0.9), rgba(6, 18, 15, 0.72));
}

.page-about .network-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.page-about .network-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .network-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--mint-400);
}

.page-about .network-stat__label {
  font-size: 12px;
  line-height: 1.45;
  color: var(--mist-400);
}

.page-about .network-copy p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(232, 245, 241, 0.84);
}

.page-about .network-copy p:last-of-type {
  margin-bottom: 20px;
}

.page-about .network-copy .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-about .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-about .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 40px;
    right: calc(-1 * var(--flow-gap));
    width: var(--flow-gap);
    height: 1px;
    background: linear-gradient(90deg, var(--line), var(--mint-400));
  }

  .page-about .dossier-split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-about .team-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-about .network-panel {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .network-stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-about .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-about .hero-visual {
    justify-self: end;
  }

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

@media (min-width: 1080px) {
  .page-about .about-body {
    display: grid;
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 66px);
    align-items: start;
  }

  .page-about .about-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .flow-step,
  .page-about .team-row,
  .page-about .tl-node::before,
  .page-about .rail-link,
  .page-about .inline-link {
    transition: none;
  }

  .page-about .flow-step:hover {
    transform: none;
  }
}
<<<END>>>