.page-about {
  --ab-line: rgba(34, 230, 255, 0.16);
  --ab-soft: rgba(130, 153, 184, 0.22);
  --ab-body: rgba(244, 248, 255, 0.8);
  position: relative;
  background:
    radial-gradient(1100px 460px at 86% -12%, rgba(34, 230, 255, 0.16), transparent 68%),
    radial-gradient(820px 400px at 2% 2%, rgba(255, 106, 42, 0.1), transparent 66%),
    var(--ink-900);
  color: var(--ice);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-about .ab-top {
  padding: clamp(14px, 2.2vw, 24px) 0 0;
}

.page-about .ab-hero {
  padding: clamp(22px, 3.6vw, 38px) 0 clamp(30px, 5vw, 58px);
}

.page-about .ab-hero-inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-about .ab-hero-copy h1 {
  margin: 0.42em 0 0.5em;
  font-size: clamp(1.95rem, 5.2vw, 3.5rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-about .ab-hero-copy .lede {
  color: var(--ab-body);
  max-width: 34em;
  line-height: 1.85;
}

.page-about .ab-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-about .ab-hero-visual {
  position: relative;
  margin: 0;
}

.page-about .ab-hero-visual .media {
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 85% 100%, 0 100%);
  border: 1px solid var(--ab-line);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900));
}

.page-about .ab-hero-visual .media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(180deg, transparent, rgba(6, 20, 36, 0.82));
  pointer-events: none;
}

.page-about .ab-hero-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 13px 6px 11px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink-900);
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 84% 100%, 0 100%);
}

.page-about .ab-hero-visual figcaption,
.page-about .ab-archive-fig figcaption,
.page-about .ab-screens-fig figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-about .ab-score {
  margin: clamp(26px, 4vw, 46px) 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .ab-score-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 16px;
  background: var(--ink-850);
}

.page-about .ab-score-cell dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-about .ab-score-cell dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  color: var(--cyan);
}

.page-about .ab-score-cell .stat {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .ab-unit {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  color: var(--steel);
}

.page-about .ab-what,
.page-about .ab-track,
.page-about .ab-archive,
.page-about .ab-screens,
.page-about .ab-team,
.page-about .ab-cadence,
.page-about .ab-next {
  padding: clamp(38px, 6vw, 78px) 0;
}

.page-about .ab-what {
  position: relative;
}

.page-about .ab-what::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ab-line), transparent);
}

.page-about .ab-what-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-about .ab-what-copy h2 {
  margin: 0.5em 0 0.6em;
}

.page-about .ab-what-copy p {
  margin: 0 0 14px;
  color: var(--ab-body);
  line-height: 1.85;
  max-width: 34em;
}

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

.page-about .ab-cap li {
  position: relative;
  padding: 18px 0 18px 44px;
  border-top: 1px solid var(--ab-soft);
}

.page-about .ab-cap li:last-child {
  border-bottom: 1px solid var(--ab-soft);
}

.page-about .ab-cap li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 3px;
  height: 0;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
  border-radius: 2px;
  transition: height var(--dur) var(--ease);
}

.page-about .ab-cap li:hover::before {
  height: calc(100% - 32px);
}

.page-about .ab-cap-idx {
  position: absolute;
  left: 12px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-about .ab-cap li:hover .ab-cap-idx {
  color: var(--orange);
}

.page-about .ab-cap strong {
  display: block;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ice);
  margin-bottom: 6px;
}

.page-about .ab-cap p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-about .ab-track-head {
  align-items: flex-end;
}

.page-about .ab-track-hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-about .ab-rail {
  list-style: none;
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  padding: 0;
  position: relative;
}

.page-about .ab-rail::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 8px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(34, 230, 255, 0.2) 52%, var(--orange) 100%);
}

.page-about .ab-stop {
  position: relative;
  padding: 0 0 16px 48px;
}

.page-about .ab-stop:last-child {
  padding-bottom: 0;
}

.page-about .ab-stop-idx {
  position: absolute;
  left: 0;
  top: 4px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 66%, 66% 100%, 0 100%);
}

.page-about .ab-stop:last-child .ab-stop-idx {
  background: var(--orange);
}

.page-about .ab-stop-body {
  background: var(--panel-a);
  border: 1px solid var(--ab-line);
  border-left: 2px solid rgba(34, 230, 255, 0.22);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .ab-stop-body[open] {
  border-left-color: var(--cyan);
  background: var(--panel-b);
}

.page-about .ab-stop:last-child .ab-stop-body {
  border-left-color: rgba(255, 106, 42, 0.3);
}

.page-about .ab-stop:last-child .ab-stop-body[open] {
  border-left-color: var(--orange);
}

.page-about .ab-stop-body summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

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

.page-about .ab-stop-body summary:hover {
  background: rgba(34, 230, 255, 0.06);
}

.page-about .ab-stop-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ice);
  letter-spacing: 0.01em;
}

.page-about .ab-stop-body summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
}

.page-about .ab-stop:last-child .ab-stop-body summary::after {
  color: var(--orange);
}

.page-about .ab-stop-body[open] summary::after {
  content: "\2212";
}

.page-about .ab-stop-text {
  padding: 0 16px 16px;
}

.page-about .ab-stop-text p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--ab-body);
}

.page-about .ab-archive-head {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-about .ab-archive-head h2 {
  margin: 0.5em 0 0.6em;
}

.page-about .ab-archive-head .lede {
  color: var(--ab-body);
  line-height: 1.85;
  max-width: 34em;
}

.page-about .ab-archive-head p {
  margin: 0 0 12px;
  color: var(--ab-body);
  line-height: 1.85;
  max-width: 34em;
}

.page-about .ab-archive-fig {
  margin: 0;
}

.page-about .ab-archive-fig .media,
.page-about .ab-screens-fig .media {
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 12% 100%, 0 86%);
  border: 1px solid var(--ab-line);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900));
}

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

.page-about .ab-layers {
  display: grid;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 42px);
}

.page-about .ab-layer {
  position: relative;
  padding: 20px 18px 24px;
  background: linear-gradient(180deg, rgba(12, 33, 55, 0.96), rgba(6, 20, 36, 0.92));
  border: 1px solid var(--ab-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform var(--dur) var(--ease);
}

.page-about .ab-layer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(34, 230, 255, 0));
}

.page-about .ab-layer:nth-child(2)::before {
  background: linear-gradient(90deg, var(--amber), rgba(255, 194, 71, 0));
}

.page-about .ab-layer:last-child::before {
  background: linear-gradient(90deg, var(--teal), rgba(11, 111, 126, 0));
}

.page-about .ab-layer:hover {
  transform: translateY(-3px);
}

.page-about .ab-layer-n {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .ab-layer h3 {
  margin: 10px 0 8px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ice);
}

.page-about .ab-layer p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--steel);
}

.page-about .ab-screens-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-about .ab-screens-fig {
  margin: 0;
}

.page-about .ab-screens-copy h2 {
  margin: 0.5em 0 0.6em;
}

.page-about .ab-screens-copy > p {
  margin: 0 0 18px;
  color: var(--ab-body);
  line-height: 1.85;
  max-width: 34em;
}

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

.page-about .ab-screens-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--ab-soft);
}

.page-about .ab-screens-list li:last-child {
  border-bottom: 1px solid var(--ab-soft);
}

.page-about .ab-screens-k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .ab-screens-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .ab-team {
  background: linear-gradient(180deg, rgba(12, 33, 55, 0) 0%, rgba(12, 33, 55, 0.42) 100%);
}

.page-about .ab-crew {
  list-style: none;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .ab-crew-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "name num"
    "bar bar"
    "note note";
  gap: 10px 14px;
  padding: 18px 0;
  border-top: 1px solid var(--ab-soft);
}

.page-about .ab-crew-row:last-child {
  border-bottom: 1px solid var(--ab-soft);
}

.page-about .ab-crew-name {
  grid-area: name;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ice);
  letter-spacing: 0.01em;
}

.page-about .ab-crew-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-about .ab-crew-bar {
  grid-area: bar;
  display: block;
  height: 6px;
  background: rgba(130, 153, 184, 0.18);
  border-radius: 3px;
  overflow: hidden;
}

.page-about .ab-crew-bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  transition: width 520ms var(--ease);
}

.page-about .ab-crew-row:nth-child(1) .ab-crew-bar i {
  width: 39%;
}

.page-about .ab-crew-row:nth-child(2) .ab-crew-bar i {
  width: 28%;
  background: linear-gradient(90deg, var(--teal), var(--mist));
}

.page-about .ab-crew-row:nth-child(3) .ab-crew-bar i {
  width: 22%;
  background: linear-gradient(90deg, rgba(255, 106, 42, 0.5), var(--orange));
}

.page-about .ab-crew-row:nth-child(4) .ab-crew-bar i {
  width: 11%;
  background: linear-gradient(90deg, rgba(255, 194, 71, 0.5), var(--amber));
}

.page-about .ab-crew-note {
  grid-area: note;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .ab-cadence-head {
  max-width: 40em;
}

.page-about .ab-cadence-head h2 {
  margin: 0.5em 0 0.6em;
}

.page-about .ab-cadence-head > p:last-child {
  margin: 0;
  color: var(--ab-body);
  line-height: 1.85;
}

.page-about .ab-cycle {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: ab-cycle;
}

.page-about .ab-cycle li {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--ab-line);
  background: rgba(8, 26, 46, 0.72);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-about .ab-cycle li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--cyan);
}

.page-about .ab-cycle li:nth-child(2)::before {
  background: var(--amber);
}

.page-about .ab-cycle li:nth-child(3)::before {
  background: var(--lime);
}

.page-about .ab-cycle-n {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-about .ab-cycle h3 {
  margin: 8px 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ice);
}

.page-about .ab-cycle p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-about .ab-next-panel {
  padding: clamp(26px, 4.6vw, 52px) clamp(20px, 3.6vw, 46px);
  border: 1px solid var(--ab-line);
  background:
    radial-gradient(660px 260px at 88% 0%, rgba(255, 106, 42, 0.16), transparent 70%),
    linear-gradient(160deg, rgba(12, 33, 55, 0.98), rgba(6, 20, 36, 0.94));
}

.page-about .ab-next-panel .section-title {
  margin: 0.45em 0 0.5em;
}

.page-about .ab-next-lede {
  margin: 0 0 clamp(20px, 3vw, 30px);
  color: var(--ab-body);
  line-height: 1.85;
  max-width: 36em;
}

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

.page-about .ab-next-list li {
  border-top: 1px solid var(--ab-soft);
}

.page-about .ab-next-list li:last-child {
  border-bottom: 1px solid var(--ab-soft);
}

.page-about .ab-next-list a {
  display: grid;
  gap: 4px;
  padding: 16px 34px 16px 0;
  position: relative;
  text-decoration: none;
  color: var(--ice);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-about .ab-next-list a::after {
  content: "\2192";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .ab-next-list a:hover {
  background: rgba(34, 230, 255, 0.07);
  padding-left: 12px;
}

.page-about .ab-next-list a:hover::after {
  transform: translate(4px, -50%);
  color: var(--orange);
}

.page-about .ab-next-k {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .ab-next-list em {
  font-style: normal;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

@media (min-width: 700px) {
  .page-about .ab-score {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-layers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-about .ab-crew-row {
    grid-template-columns: 150px minmax(0, 1fr) 52px;
    grid-template-areas:
      "name bar num"
      "note note note";
    align-items: center;
    gap: 10px 18px;
  }

  .page-about .ab-crew-num {
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-about .ab-what-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(32px, 4.6vw, 64px);
  }

  .page-about .ab-archive-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 4.6vw, 60px);
  }

  .page-about .ab-screens-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(32px, 4.6vw, 60px);
  }

  .page-about .ab-screens-list li {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-about .ab-stop {
    padding-left: 60px;
  }

  .page-about .ab-rail::before {
    left: 19px;
  }

  .page-about .ab-stop-idx {
    width: 40px;
    height: 40px;
    font-size: 0.78rem;
  }
}

@media (min-width: 1080px) {
  .page-about .ab-next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3.4vw, 44px);
  }

  .page-about .ab-next-list li:nth-last-child(2) {
    border-bottom: 1px solid var(--ab-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-cap li::before,
  .page-about .ab-crew-bar i,
  .page-about .ab-layer,
  .page-about .ab-next-list a,
  .page-about .ab-next-list a::after {
    transition: none;
  }

  .page-about .ab-layer:hover {
    transform: none;
  }
}
<<<END>>>