.page-about {
  --rail-w: 208px;
  background: var(--ink-900);
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  color: var(--white);
  letter-spacing: 0.01em;
  line-height: 1.08;
}

.page-about p {
  margin: 0 0 16px;
}

.page-about a {
  color: inherit;
  text-decoration: none;
}

.page-about .about-hero {
  position: relative;
  padding: 24px 0 48px;
  border-bottom: 1px solid var(--line-700);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(43, 91, 255, 0.16) 0%, rgba(10, 14, 19, 0) 62%),
    var(--ink-900);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, rgba(34, 48, 63, 0.55) 1px, transparent 1px),
    linear-gradient(0deg, rgba(34, 48, 63, 0.35) 1px, transparent 1px);
  background-size: 88px 100%, 100% 88px;
  opacity: 0.5;
}

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

.page-about .crumbs {
  margin-bottom: 20px;
}

.page-about .about-hero__frame {
  padding: 24px 20px 32px;
}

.page-about .about-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(30px, 7vw, 60px);
  line-height: 1.02;
  letter-spacing: 0.005em;
  max-width: 18ch;
}

.page-about .about-hero__lead {
  max-width: 60ch;
  color: var(--mist-100);
  font-size: 16px;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-700);
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--lime-400);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-about .about-stat__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-600);
}

.page-about .about-body {
  padding: 24px 0 0;
}

.page-about .about-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-about .about-rail .eyebrow {
  margin-bottom: 10px;
}

.page-about .about-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
}

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

.page-about .about-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--line-700);
  font-size: 13px;
  white-space: nowrap;
  color: var(--mist-600);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .about-rail__list a:hover,
.page-about .about-rail__list a:focus-visible {
  color: var(--white);
  border-color: var(--lime-400);
}

.page-about .about-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-about .about-sec {
  padding: 36px 0;
  border-top: 1px solid var(--line-700);
}

.page-about .about-cols > .about-sec:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-about .about-sec__head {
  margin-bottom: 22px;
}

.page-about .about-sec__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 4.4vw, 38px);
}

.page-about .about-sec__lead {
  max-width: 58ch;
  color: var(--mist-600);
  font-size: 15px;
}

.page-about .about-tick {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-about .about-tick li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--mist-100);
}

.page-about .about-tick li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--lime-400);
}

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

.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--line-700);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-about .about-figure figcaption {
  padding: 8px 12px;
  border-top: 1px solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist-700);
}

.page-about .about-streams {
  display: grid;
  gap: 1px;
  background: var(--line-700);
  border: 1px solid var(--line-700);
}

.page-about .about-stream {
  background: var(--ink-800);
  padding: 22px 18px;
  transition: background var(--dur) var(--ease);
}

.page-about .about-stream:hover {
  background: #111d2b;
}

.page-about .about-stream__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-about .about-stream h3 {
  margin: 10px 0 8px;
  font-size: 20px;
}

.page-about .about-stream__meta {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue-300);
  margin-bottom: 10px;
}

.page-about .about-stream__body {
  font-size: 14px;
  color: var(--mist-600);
  margin-bottom: 14px;
}

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

.page-about .about-verify__step {
  padding-top: 14px;
  border-top: 2px solid var(--line-700);
  transition: border-color var(--dur) var(--ease);
}

.page-about .about-verify__step:hover,
.page-about .about-verify__step:focus-within {
  border-top-color: var(--lime-400);
}

.page-about .about-verify__arrow {
  display: inline-block;
  margin-right: 6px;
  color: var(--mist-700);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-verify__step:hover .about-verify__arrow,
.page-about .about-verify__step:focus-within .about-verify__arrow {
  color: var(--lime-400);
  transform: translateX(4px);
}

.page-about .about-verify__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-700);
}

.page-about .about-verify__step h3 {
  margin: 8px 0 8px;
  font-size: 20px;
}

.page-about .about-verify__note {
  font-size: 14px;
  color: var(--mist-600);
  margin: 0;
  transition: color var(--dur) var(--ease);
}

.page-about .about-verify__step:hover .about-verify__note,
.page-about .about-verify__step:focus-within .about-verify__note {
  color: var(--mist-100);
}

.page-about .about-team__grid {
  display: grid;
  gap: 28px;
}

.page-about .about-team__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 64px;
  line-height: 1;
  color: var(--lime-400);
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__caption {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  color: var(--white);
}

.page-about .about-team__note {
  font-size: 13px;
  color: var(--mist-600);
  margin: 0;
}

.page-about .about-team__main h3,
.page-about .about-team__side h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.page-about .about-team__main p,
.page-about .about-team__side p {
  font-size: 14px;
  color: var(--mist-600);
}

.page-about .about-team__main {
  padding: 20px 18px;
  border: 1px solid var(--line-700);
  background: var(--ink-800);
}

.page-about .about-team__side-h {
  margin-top: 18px;
}

.page-about .about-versions {
  margin: 36px 0 0;
  padding: 28px 18px 26px;
  background:
    linear-gradient(160deg, rgba(43, 91, 255, 0.18) 0%, rgba(26, 22, 64, 0) 58%),
    var(--indigo-900);
  border: 1px solid #2b2660;
}

.page-about .about-versions__figure {
  margin: 20px 0 24px;
  border-color: rgba(126, 160, 255, 0.32);
  background: rgba(10, 14, 19, 0.5);
}

.page-about .about-versions__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 82%;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x proximity;
}

.page-about .about-version {
  scroll-snap-align: start;
  background: rgba(10, 14, 19, 0.45);
  border: 1px solid rgba(126, 160, 255, 0.28);
}

.page-about .about-version--current {
  border-color: var(--lime-400);
  background: rgba(10, 14, 19, 0.62);
}

.page-about .about-version summary {
  position: relative;
  display: block;
  padding: 16px 44px 16px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-version__year {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue-300);
}

.page-about .about-version__name {
  display: block;
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  color: var(--white);
}

.page-about .about-version--current .about-version__name {
  color: var(--lime-400);
}

.page-about .about-version__tag {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist-100);
}

.page-about .about-version__toggle {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist-600);
  border: 1px solid rgba(126, 160, 255, 0.35);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-version[open] .about-version__toggle {
  transform: rotate(45deg);
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.page-about .about-version .about-tick {
  padding: 0 16px 16px;
  border-top: 1px solid rgba(126, 160, 255, 0.18);
  padding-top: 14px;
}

.page-about .about-version .about-tick li {
  font-size: 13px;
  color: var(--mist-100);
}

.page-about .about-reach {
  position: relative;
  margin-top: 36px;
  padding: 40px 0;
  border-top: 1px solid var(--line-700);
  border-bottom: 1px solid var(--line-700);
  overflow: hidden;
}

.page-about .about-reach__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-reach__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-about .about-reach__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 19, 0.94) 8%, rgba(10, 14, 19, 0.62) 62%, rgba(10, 14, 19, 0.94) 100%);
}

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

.page-about .about-reach__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0 18px;
}

.page-about .about-stat--boxed {
  padding: 16px 14px;
  border: 1px solid var(--line-700);
  background: rgba(14, 23, 35, 0.86);
}

.page-about .about-stat--boxed .about-stat__num {
  font-size: 26px;
}

.page-about .about-reach__note {
  max-width: 56ch;
  font-size: 14px;
  color: var(--mist-600);
  margin: 0;
}

.page-about .about-principles {
  padding: 40px 0 56px;
}

.page-about .about-principles__grid {
  display: grid;
  gap: 18px;
  margin: 22px 0 26px;
}

.page-about .about-principle {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--lime-400);
}

.page-about .about-principle__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-about .about-principle h3 {
  margin: 6px 0 8px;
  font-size: 19px;
}

.page-about .about-principle p {
  margin: 0;
  font-size: 14px;
  color: var(--mist-600);
}

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

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

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

  .page-about .about-versions__track {
    grid-auto-columns: 46%;
  }
}

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-about .about-verify__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .about-team__grid {
    grid-template-columns: 3fr 6fr 3fr;
    gap: 28px;
    align-items: start;
  }

  .page-about .about-versions {
    padding: 36px 32px 30px;
  }

  .page-about .about-versions__track {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
    gap: 14px;
  }

  .page-about .about-principles__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body__grid {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 88px;
    padding-top: 8px;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 2px solid var(--line-700);
  }

  .page-about .about-rail__list li {
    flex: 1 1 auto;
  }

  .page-about .about-rail__list a {
    padding: 10px 0 10px 18px;
    border: 0;
    font-size: 13px;
    white-space: normal;
  }

  .page-about .about-rail__list a::before {
    content: "";
    position: absolute;
    left: -6px;
    top: 50%;
    width: 7px;
    height: 7px;
    margin-top: -3.5px;
    border-radius: 50%;
    background: var(--line-700);
    transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  }

  .page-about .about-rail__list a {
    position: relative;
  }

  .page-about .about-rail__list a:hover::before,
  .page-about .about-rail__list a:focus-visible::before {
    background: var(--lime-400);
    box-shadow: 0 0 0 3px rgba(184, 255, 61, 0.18);
  }

  .page-about .about-sec {
    padding: 48px 0;
  }

  .page-about .about-cols > .about-sec:first-child {
    padding-top: 0;
  }

  .page-about .about-versions {
    margin-top: 48px;
  }

  .page-about .about-reach {
    margin-top: 48px;
    padding: 56px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-verify__arrow,
  .page-about .about-version__toggle,
  .page-about .about-rail__list a::before,
  .page-about .about-stream {
    transition: none;
  }
}
<<<END>>>