.page-about {
  --ab-gap: 24px;
  --ab-rail-w: 4fr;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .ab-hero {
  position: relative;
  padding: calc(var(--header-h) + 42px) 0 56px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(255, 107, 26, 0.22), transparent 62%),
    var(--ink);
  overflow: hidden;
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -24%;
  width: 84%;
  height: 132%;
  background: linear-gradient(158deg, rgba(255, 107, 26, 0.92), rgba(217, 58, 18, 0.42) 54%, rgba(20, 20, 20, 0) 76%);
  clip-path: polygon(44% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.42;
  pointer-events: none;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(245, 243, 239, 0.05) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(90deg, rgba(245, 243, 239, 0.05) 0 1px, transparent 1px 24px);
  pointer-events: none;
  opacity: 0.6;
}

.page-about .ab-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-about .ab-hero .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.page-about .ab-hero .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--mute);
}

.page-about .ab-hero .crumbs a {
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-about .ab-hero .crumbs a:hover,
.page-about .ab-hero .crumbs a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-about .ab-hero .crumbs li[aria-current="page"] {
  color: var(--orange);
}

.page-about .ab-hero-grid {
  display: grid;
  gap: 36px;
}

.page-about .eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .ab-hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .ab-hero-sub {
  max-width: 34rem;
  margin: 24px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ash);
}

.page-about .ab-hero-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-about .ab-hero-num {
  padding: 20px 22px 22px;
  border-left: 3px solid var(--orange);
  background: rgba(31, 34, 38, 0.78);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-about .ab-hero-num--alt {
  border-left-color: var(--cyan);
  background: rgba(46, 58, 70, 0.62);
}

.page-about .ab-hero-num-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(2.8rem, 11vw, 4.2rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--orange);
  letter-spacing: -0.04em;
}

.page-about .ab-hero-num--alt .ab-hero-num-value {
  color: var(--cyan);
}

.page-about .ab-hero-num-unit {
  margin-left: 8px;
  font-size: 0.9rem;
  color: var(--ash);
  letter-spacing: 0.1em;
}

.page-about .ab-hero-num-suffix {
  font-size: 0.9rem;
  margin-left: 6px;
  color: var(--ash);
  letter-spacing: 0.06em;
}

.page-about .ab-hero-num p {
  margin: 12px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ash);
}

.page-about .ab-origin {
  padding: 64px 0;
  background: var(--paper);
  color: var(--ink);
}

.page-about .ab-cols {
  display: grid;
  gap: 32px;
}

.page-about .ab-rail .section-title,
.page-about .ab-flow-head .section-title,
.page-about .ab-tl-head .section-title,
.page-about .ab-partners-head .section-title,
.page-about .ab-next .section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.page-about .ab-origin .eyebrow {
  color: var(--alert);
}

.page-about .ab-rail-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-ink);
}

.page-about .ab-rail-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line-ink);
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--steel);
}

.page-about .ab-rail-list .num {
  display: inline-block;
  min-width: 3.4em;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--alert);
}

.page-about .ab-body p {
  margin: 0 0 18px;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--steel);
}

.page-about .ab-body .ab-lead {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--ink);
  font-weight: 500;
}

.page-about .ab-quote {
  margin: 28px 0 0;
  padding: 18px 0 18px 22px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 107, 26, 0.07);
}

.page-about .ab-quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.24rem;
  line-height: 1.4;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.page-about .ab-team {
  position: relative;
  padding: 64px 0;
  background: var(--board);
  color: var(--paper);
}

.page-about .ab-team::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 6px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 107, 26, 0));
}

.page-about .ab-team .section-title {
  color: var(--paper);
}

.page-about .ab-rail-note {
  margin: 0 0 24px;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .ab-team-media {
  margin: 0;
  border: 1px solid var(--line);
}

.page-about .ab-team-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-about .media-caption {
  padding: 10px 12px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--mute);
  background: rgba(20, 20, 20, 0.6);
}

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

.page-about .ab-tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-about .ab-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-about .ab-tabs label {
  cursor: pointer;
  padding: 10px 18px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--ash);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(20, 20, 20, 0.35);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-about .ab-tabs label:hover {
  color: var(--paper);
  border-color: var(--orange);
}

.page-about .ab-switch input:nth-of-type(1):checked ~ .ab-tabs label:nth-of-type(1),
.page-about .ab-switch input:nth-of-type(2):checked ~ .ab-tabs label:nth-of-type(2),
.page-about .ab-switch input:nth-of-type(3):checked ~ .ab-tabs label:nth-of-type(3) {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
  font-weight: 700;
}

.page-about .ab-panel-item {
  display: none;
}

.page-about .ab-switch input:nth-of-type(1):checked ~ .ab-panels .ab-panel-item:nth-child(1),
.page-about .ab-switch input:nth-of-type(2):checked ~ .ab-panels .ab-panel-item:nth-child(2),
.page-about .ab-switch input:nth-of-type(3):checked ~ .ab-panels .ab-panel-item:nth-child(3) {
  display: block;
  animation: ab-fade 260ms var(--ease) both;
}

@keyframes ab-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-about .ab-panel-item h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-about .ab-panel-item p {
  margin: 0 0 18px;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ash);
}

.page-about .ab-points {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .ab-points li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--cool, var(--ash));
}

.page-about .ab-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-about .ab-flow {
  position: relative;
  padding: 64px 0;
  background: var(--ink);
  overflow: hidden;
}

.page-about .ab-flow-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.16;
  pointer-events: none;
}

.page-about .ab-flow-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .ab-flow .wrap {
  position: relative;
  z-index: 1;
}

.page-about .ab-flow-head {
  max-width: 40rem;
  margin-bottom: 36px;
}

.page-about .ab-flow-head .section-title {
  color: var(--paper);
}

.page-about .ab-flow-intro,
.page-about .ab-tl-intro,
.page-about .ab-partners-intro {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .ab-flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .ab-flow-item {
  border-bottom: 1px solid var(--line);
}

.page-about .ab-flow-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color 180ms var(--ease), padding-left 180ms var(--ease);
}

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

.page-about .ab-flow-item summary:hover,
.page-about .ab-flow-item summary:focus-visible {
  background: rgba(255, 107, 26, 0.1);
  padding-left: 14px;
  outline: none;
}

.page-about .ab-flow-item details[open] summary {
  background: rgba(255, 107, 26, 0.14);
}

.page-about .ab-flow-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.04em;
}

.page-about .ab-flow-name {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-about .ab-flow-time {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-about .ab-flow-item details p {
  margin: 0;
  padding: 0 4px 18px 4px;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--ash);
  max-width: 46rem;
}

.page-about .ab-timeline {
  padding: 64px 0;
  background: var(--steel);
  color: var(--paper);
}

.page-about .ab-tl-head {
  max-width: 40rem;
  margin-bottom: 32px;
}

.page-about .ab-tl-head .section-title {
  color: var(--paper);
}

.page-about .ab-tl-banner {
  margin: 0 0 8px;
}

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

.page-about .ab-tl-banner .media-caption {
  background: rgba(20, 20, 20, 0.75);
}

.page-about .ab-timeline {
  margin: 0;
  padding: 40px 0 0;
  list-style: none;
}

.page-about .ab-tl-item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 0 0 40px 26px;
  border-left: 2px solid rgba(245, 243, 239, 0.18);
}

.page-about .ab-tl-item:last-child {
  border-left-color: transparent;
  padding-bottom: 8px;
}

.page-about .ab-tl-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 12px;
  width: 14px;
  height: 14px;
  background: var(--orange);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px var(--steel);
}

.page-about .ab-tl-item:last-child::before {
  background: var(--cyan);
}

.page-about .ab-tl-year {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 8vw, 3.4rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--orange);
}

.page-about .ab-tl-item:last-child .ab-tl-year {
  color: var(--cyan);
}

.page-about .ab-tl-body h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-about .ab-tl-body > p {
  margin: 0 0 14px;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ash);
  max-width: 44rem;
}

.page-about .ab-tl-body details {
  border-top: 1px solid rgba(245, 243, 239, 0.14);
  padding-top: 10px;
  max-width: 44rem;
}

.page-about .ab-tl-body summary {
  cursor: pointer;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  list-style: none;
}

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

.page-about .ab-tl-body summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

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

.page-about .ab-tl-body details p {
  margin: 10px 0 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-about .ab-scale {
  padding: 64px 0;
  background: var(--paper);
  color: var(--ink);
}

.page-about .ab-scale .eyebrow {
  color: var(--alert);
}

.page-about .ab-scale .ab-rail-note {
  color: var(--steel);
}

.page-about .ab-ledger {
  margin: 0;
  border-top: 2px solid var(--ink);
}

.page-about .ab-ledger-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-about .ab-ledger-row dt {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-about .ab-ledger-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.page-about .ab-ledger-row dd .num {
  font-size: 1.7rem;
  color: var(--alert);
  letter-spacing: -0.03em;
}

.page-about .ab-ledger-row .ab-ledger-note {
  font-family: var(--font-body);
  font-size: 0.84rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--steel);
}

.page-about .ab-scale-foot {
  margin: 22px 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .ab-scale-foot a {
  color: var(--alert);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 58, 18, 0.4);
}

.page-about .ab-scale-foot a:hover,
.page-about .ab-scale-foot a:focus-visible {
  border-bottom-color: var(--alert);
}

.page-about .ab-partners {
  padding: 64px 0;
  background: var(--ink);
  color: var(--paper);
}

.page-about .ab-partners-head {
  max-width: 40rem;
  margin-bottom: 32px;
}

.page-about .ab-partners-head .section-title {
  color: var(--paper);
}

.page-about .ab-partners-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-about .ab-partners-list li {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-partners-no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .ab-partners-list h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.22rem;
  line-height: 1.3;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-about .ab-partners-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--ash);
  max-width: 40rem;
}

.page-about .ab-next {
  padding: 56px 0 64px;
  background: linear-gradient(120deg, var(--orange) 0%, var(--orange) 42%, var(--alert) 100%);
  color: var(--ink);
}

.page-about .ab-next-inner {
  display: grid;
  gap: 26px;
}

.page-about .ab-next .section-title {
  margin-bottom: 12px;
  color: var(--ink);
}

.page-about .ab-next p {
  margin: 0;
  max-width: 38rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(20, 20, 20, 0.82);
}

.page-about .ab-next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .ab-next-links .btn {
  text-decoration: none;
}

.page-about .ab-next-links .btn-ghost {
  border-color: rgba(20, 20, 20, 0.45);
  color: var(--ink);
}

.page-about .ab-next-links .btn-ghost:hover,
.page-about .ab-next-links .btn-ghost:focus-visible {
  border-color: var(--ink);
  background: rgba(20, 20, 20, 0.1);
}

@media (min-width: 720px) {
  .page-about .ab-hero {
    padding: calc(var(--header-h) + 64px) 0 76px;
  }

  .page-about .ab-hero-side {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-about .ab-ledger-row {
    grid-template-columns: 9rem 10rem minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-about .ab-partners-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-about .ab-partners-list li {
    padding: 24px 0;
  }

  .page-about .ab-next-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 32px;
  }

  .page-about .ab-next-links {
    justify-content: flex-end;
  }
}

@media (min-width: 980px) {
  .page-about .ab-cols {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
  }

  .page-about .ab-cols--team {
    gap: 48px;
  }

  .page-about .ab-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .page-about .ab-team-media {
    margin-left: -32px;
    margin-right: 8px;
  }

  .page-about .ab-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
  }

  .page-about .ab-hero-side {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-about .ab-flow-head {
    max-width: 46rem;
  }

  .page-about .ab-flow-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
    border-top: none;
  }

  .page-about .ab-flow-item:nth-child(1),
  .page-about .ab-flow-item:nth-child(2) {
    border-top: 1px solid var(--line);
  }

  .page-about .ab-timeline {
    padding-top: 56px;
  }

  .page-about .ab-tl-item {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 32px;
    padding-left: 32px;
    padding-bottom: 48px;
  }

  .page-about .ab-tl-year {
    justify-self: start;
  }

  .page-about .ab-tl-banner {
    margin-bottom: 0;
  }

  .page-about .ab-partners-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 1200px) {
  .page-about .ab-hero-num-value {
    font-size: 4.6rem;
  }

  .page-about .ab-tl-item {
    padding-bottom: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-switch input:checked ~ .ab-panels .ab-panel-item {
    animation: none;
  }

  .page-about .ab-flow-item summary,
  .page-about .ab-tabs label {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>

.page-about {
  --cool: currentColor;
}