.page-about {
  --ab-cut: 16px;
  --ab-gap: 24px;
  background: var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-about .section {
  padding: 64px 0;
}

/* ---------- breadcrumbs on dark ---------- */
.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-size: var(--step-1);
  color: var(--slate);
}
.page-about .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--slate);
}
.page-about .crumbs a {
  color: var(--sky);
  text-decoration: none;
}
.page-about .crumbs a:hover,
.page-about .crumbs a:focus-visible {
  color: var(--teal);
}

/* ---------- section heads ---------- */
.page-about .ab-section-head {
  max-width: 720px;
  margin-bottom: 32px;
}
.page-about .ab-section-head h2 {
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
  color: var(--white);
}
.page-about .ab-section-head__lead {
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.88;
  margin: 0;
}

/* ---------- hero ---------- */
.page-about .ab-hero {
  position: relative;
  padding: 36px 0 52px;
  background:
    linear-gradient(160deg, rgba(23, 195, 166, 0.16) 0%, rgba(11, 26, 46, 0) 46%),
    var(--night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), 0 100%);
}
.page-about .ab-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 12%;
  width: 52%;
  height: 62%;
  background: linear-gradient(-14deg, rgba(242, 180, 65, 0.14), rgba(242, 180, 65, 0));
  transform: rotate(-8deg);
  pointer-events: none;
}
.page-about .ab-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}
.page-about .ab-hero h1 {
  font-size: clamp(32px, 8vw, var(--step-6));
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 8px 0 18px;
  color: var(--white);
}
.page-about .ab-hero__lead {
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  max-width: 60ch;
  margin: 0 0 26px;
}
.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-about .ab-hero__stats .stat {
  background: rgba(17, 26, 36, 0.86);
  border-left: 3px solid var(--teal);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .ab-hero__stats .stat--red {
  border-left-color: var(--red);
}
.page-about .ab-hero__stats .stat--light {
  border-left-color: var(--gold);
}
.page-about .ab-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: var(--step-6);
  line-height: 1;
  color: var(--gold);
}
.page-about .ab-hero__stats .stat--teal .stat__value {
  color: var(--teal);
}
.page-about .ab-hero__stats .stat--red .stat__value {
  color: var(--red);
}
.page-about .ab-hero__stats .stat__label {
  font-size: var(--step-1);
  color: var(--paper);
  opacity: 0.82;
  line-height: 1.5;
}

/* ---------- timeline ---------- */
.page-about .ab-timeline {
  background: var(--night);
}
.page-about .ab-timeline__figure {
  margin: 0 0 36px;
}
.page-about .ab-tl {
  position: relative;
  padding-left: 28px;
}
.page-about .ab-tl__axis {
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal) 0%, var(--gold) 62%, var(--red) 100%);
  opacity: 0.6;
}
.page-about .ab-tl__node {
  position: relative;
  margin-bottom: 14px;
  background: rgba(243, 233, 214, 0.05);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, calc(100% - var(--ab-cut)) 0, 100% var(--ab-cut), 100% 100%, var(--ab-cut) 100%, 0 calc(100% - var(--ab-cut)));
}
.page-about .ab-tl__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}
.page-about .ab-tl__head:hover {
  background: rgba(23, 195, 166, 0.08);
}
.page-about .ab-tl__head:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
  box-shadow: 0 0 0 4px rgba(242, 180, 65, 0.18);
}
.page-about .ab-tl__ring {
  grid-column: 1;
  width: 14px;
  height: 14px;
  margin-left: -35px;
  border-radius: 50%;
  border: 3px solid var(--teal);
  background: var(--night);
}
.page-about .ab-tl__node--gold .ab-tl__ring {
  border-color: var(--gold);
}
.page-about .ab-tl__year {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: var(--step-3);
  color: var(--gold);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.page-about .ab-tl__title {
  grid-column: 3;
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--white);
  line-height: 1.45;
}
.page-about .ab-tl__body {
  padding: 0 18px 18px 18px;
  border-top: 1px dashed var(--line-dark);
  margin: 0 18px 0 18px;
  padding-left: 0;
  padding-right: 0;
}
.page-about .ab-tl__body p {
  margin: 14px 0 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.9;
  max-width: 68ch;
}
.page-about .ab-tl__head[aria-expanded="false"] + .ab-tl__body {
  display: none;
}

/* ---------- regions ---------- */
.page-about .ab-regions {
  background: var(--ink);
}
.page-about .ab-regions__grid {
  display: grid;
  gap: 28px;
}
.page-about .ab-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .ab-matrix__cell {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 12px;
  background: rgba(243, 233, 214, 0.06);
  border-left: 3px solid var(--slate);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: transform 200ms ease, background 200ms ease;
}
.page-about .ab-matrix__cell--core {
  border-left-color: var(--teal);
  background: rgba(23, 195, 166, 0.1);
}
.page-about .ab-matrix__cell--new {
  border-left-color: var(--gold);
  background: rgba(242, 180, 65, 0.08);
}
.page-about .ab-matrix__cell:hover,
.page-about .ab-matrix__cell:focus-within {
  transform: translateY(-6px);
  background: rgba(127, 182, 217, 0.14);
}
.page-about .ab-matrix__name {
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--white);
}
.page-about .ab-matrix__meta {
  font-size: var(--step-1);
  color: var(--gold);
}
.page-about .ab-matrix__cell::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 3;
  width: max-content;
  max-width: 220px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--night);
  background: var(--paper);
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease;
  pointer-events: none;
}
.page-about .ab-matrix__cell:hover::after,
.page-about .ab-matrix__cell:focus-within::after {
  opacity: 1;
  visibility: visible;
}
.page-about .ab-regions__legend {
  background: var(--paper);
  color: var(--night);
  padding: 22px 20px;
  clip-path: polygon(var(--ab-cut) 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%, 0 var(--ab-cut));
}
.page-about .ab-regions__legend-title {
  font-size: var(--step-3);
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--night);
}
.page-about .ab-regions__legend ul {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .ab-regions__legend li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  font-size: var(--step-2);
  line-height: 1.65;
  color: var(--ink);
}
.page-about .ab-dot {
  margin-top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}
.page-about .ab-dot--core { background: var(--teal); }
.page-about .ab-dot--reg { background: var(--slate); }
.page-about .ab-dot--new { background: var(--gold); }
.page-about .ab-regions__note {
  font-size: var(--step-1);
  color: var(--slate);
  margin: 0 0 16px;
}

/* ---------- source ---------- */
.page-about .ab-source {
  background: var(--paper);
  color: var(--night);
}
.page-about .ab-source__grid {
  display: grid;
  gap: 32px;
}
.page-about .ab-source__copy h2 {
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--night);
}
.page-about .ab-source__copy p {
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--ink);
  max-width: 66ch;
  margin: 0 0 16px;
}
.page-about .ab-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: abf;
}
.page-about .ab-flow__step {
  position: relative;
  padding: 18px 18px 18px 66px;
  background: var(--white);
  border-top: 3px solid var(--teal-deep);
}
.page-about .ab-flow__step:nth-child(2) { border-top-color: var(--sky); }
.page-about .ab-flow__step:nth-child(3) { border-top-color: var(--gold); }
.page-about .ab-flow__num {
  position: absolute;
  left: 18px;
  top: 18px;
  font-size: var(--step-4);
  line-height: 1;
  color: var(--teal-deep);
}
.page-about .ab-flow__step:nth-child(2) .ab-flow__num { color: var(--sky); }
.page-about .ab-flow__step:nth-child(3) .ab-flow__num { color: var(--gold); }
.page-about .ab-flow__step h3 {
  margin: 0 0 6px;
  font-size: var(--step-3);
  color: var(--night);
}
.page-about .ab-flow__step p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink);
  max-width: 60ch;
}
.page-about .ab-flow__time {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--slate);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}
.page-about .ab-source__figure {
  margin: 0;
}

/* ---------- away ---------- */
.page-about .ab-away {
  background: var(--night);
}
.page-about .ab-away__board {
  background: rgba(17, 26, 36, 0.9);
  padding: 22px 20px;
  clip-path: polygon(var(--ab-cut) 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%, 0 var(--ab-cut));
}
.page-about .ab-away__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.page-about .ab-away__chart {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}
.page-about .ab-bar {
  display: grid;
  grid-template-columns: 80px 1fr 52px;
  align-items: center;
  gap: 12px;
}
.page-about .ab-bar__season {
  font-size: 13px;
  color: var(--slate);
}
.page-about .ab-bar__track {
  position: relative;
  display: block;
  height: 18px;
  background: rgba(243, 233, 214, 0.08);
}
.page-about .ab-bar__fill {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  transition: width 200ms ease;
}
.page-about .ab-bar__fill--teal { background: var(--teal); }
.page-about .ab-bar__fill--sky { background: var(--sky); }
.page-about .ab-bar__fill--red { background: var(--red); }
.page-about .ab-bar__val {
  font-size: var(--step-2);
  color: var(--gold);
  text-align: right;
}
.page-about .ab-bar[hidden] {
  display: none;
}
.page-about .ab-away__keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .ab-away__keys li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  font-size: var(--step-2);
  line-height: 1.65;
  color: var(--paper);
  opacity: 0.9;
}
.page-about .ab-swatch {
  margin-top: 6px;
  width: 16px;
  height: 12px;
  display: block;
}
.page-about .ab-swatch--teal { background: var(--teal); }
.page-about .ab-swatch--sky { background: var(--sky); }
.page-about .ab-swatch--red { background: var(--red); }

.page-about .ab-away__related {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}
.page-about .ab-related-card {
  padding: 22px 20px;
  background: var(--white);
  color: var(--ink);
}
.page-about .ab-related-card h3 {
  margin: 0 0 10px;
  font-size: var(--step-3);
  color: var(--night);
}
.page-about .ab-related-card p {
  margin: 0 0 14px;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink);
}
.page-about .ab-link {
  display: inline-block;
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--teal);
  padding-bottom: 2px;
}
.page-about .ab-link:hover,
.page-about .ab-link:focus-visible {
  color: var(--night);
  border-bottom-color: var(--gold);
}
.page-about .ab-link--light {
  color: var(--sky);
  border-bottom-color: var(--sky);
  margin-left: 16px;
}
.page-about .ab-link--light:hover,
.page-about .ab-link--light:focus-visible {
  color: var(--white);
  border-bottom-color: var(--gold);
}

/* ---------- partners ---------- */
.page-about .ab-partners {
  background: var(--night);
}
.page-about .ab-partners__grid {
  display: grid;
  gap: 18px;
  margin-bottom: 32px;
}
.page-about .ab-partner-col {
  position: relative;
  padding: 26px 22px;
  background: rgba(243, 233, 214, 0.05);
  border-left: 4px solid var(--teal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%);
}
.page-about .ab-partner-col--gold {
  border-left-color: var(--gold);
}
.page-about .ab-partner-col__num {
  font-size: var(--step-6);
  line-height: 1;
  color: var(--teal);
  display: block;
}
.page-about .ab-partner-col--gold .ab-partner-col__num {
  color: var(--gold);
}
.page-about .ab-partner-col h3 {
  margin: 12px 0 10px;
  font-size: var(--step-4);
  color: var(--white);
}
.page-about .ab-partner-col p {
  margin: 0 0 14px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.9;
}
.page-about .ab-partners__figure {
  margin: 0;
}

/* ---------- legal ---------- */
.page-about .ab-legal {
  background: var(--ink);
}
.page-about .ab-legal__grid {
  display: grid;
  gap: 28px;
}
.page-about .ab-legal__main h2 {
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--white);
}
.page-about .ab-legal__main > p {
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.9;
  max-width: 66ch;
  margin: 0 0 22px;
}
.page-about .ab-legal__list {
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}
.page-about .ab-legal__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-dark);
}
.page-about .ab-legal__row dt {
  font-size: var(--step-1);
  color: var(--slate);
  letter-spacing: 0.04em;
}
.page-about .ab-legal__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: var(--step-2);
  color: var(--white);
}
.page-about .ab-legal__row dd a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 182, 217, 0.5);
}
.page-about .ab-legal__row dd a:hover,
.page-about .ab-legal__row dd a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}
.page-about .ab-copy {
  font: inherit;
  font-size: 13px;
  padding: 4px 12px;
  color: var(--night);
  background: var(--gold);
  border: 0;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.page-about .ab-copy:hover,
.page-about .ab-copy:focus-visible {
  background: var(--teal);
  color: var(--paper);
  outline: none;
}
.page-about .ab-legal__note {
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.8;
  max-width: 66ch;
  margin: 0;
}
.page-about .ab-legal__side {
  padding: 24px 20px;
  background: var(--ink);
  color: var(--paper);
}
.page-about .ab-legal__side h3 {
  margin: 0 0 10px;
  font-size: var(--step-3);
  color: var(--white);
}
.page-about .ab-legal__side p {
  margin: 0 0 18px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.88;
}

/* ---------- media frames ---------- */
.page-about .media-frame {
  position: relative;
  background: rgba(243, 233, 214, 0.06);
  border: 1px solid var(--line-dark);
}
.page-about .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .media-frame--tall img {
  aspect-ratio: 3 / 2;
}
.page-about .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  background: rgba(17, 26, 36, 0.86);
}
.page-about .ab-source .media-frame {
  border-color: var(--line-light);
}
.page-about .ab-source .media-frame__caption {
  color: var(--ink);
  background: rgba(11, 26, 46, 0.08);
}

/* ---------- reveal ---------- */
.page-about .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.page-about .reveal[data-visible="true"] {
  opacity: 1;
  transform: none;
}

/* ---------- tablet ---------- */
@media (min-width: 720px) {
  .page-about .section { padding: 80px 0; }
  .page-about .ab-hero { padding: 52px 0 72px; }
  .page-about .ab-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .ab-matrix { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .ab-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .ab-flow__step { padding: 22px 18px 22px 18px; }
  .page-about .ab-flow__num { position: static; display: block; margin-bottom: 10px; }
  .page-about .ab-away__related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .ab-partners__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .ab-legal__row { grid-template-columns: 140px 1fr; align-items: baseline; }
}

/* ---------- desktop ---------- */
@media (min-width: 1024px) {
  .page-about .container { padding: 0 32px; }
  .page-about .section { padding: 96px 0; }

  .page-about .ab-hero {
    padding: 72px 0 96px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 64px), 0 100%);
  }
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.85fr);
    align-items: start;
    gap: 48px;
  }
  .page-about .ab-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 26px;
  }

  .page-about .ab-tl {
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 32px;
  }
  .page-about .ab-tl__axis {
    left: 50%;
    transform: translateX(-1px);
  }
  .page-about .ab-tl__node {
    margin-bottom: 0;
  }
  .page-about .ab-tl__node:nth-child(even) {
    transform: translateY(24px);
  }

  .page-about .ab-regions__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.7fr);
    align-items: start;
    gap: 32px;
  }
  .page-about .ab-matrix { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .ab-regions__legend { position: sticky; top: 96px; }

  .page-about .ab-source__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    align-items: start;
    gap: 44px;
  }

  .page-about .ab-away__board { padding: 34px 32px; }
  .page-about .ab-bar { grid-template-columns: 96px 1fr 64px; }
  .page-about .ab-away__related { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .page-about .ab-partners__grid { gap: 24px; }
  .page-about .ab-partner-col { padding: 32px 28px; }

  .page-about .ab-legal__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.7fr);
    align-items: start;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-matrix__cell,
  .page-about .ab-bar__fill,
  .page-about .reveal {
    transition: none;
  }
  .page-about .ab-matrix__cell:hover,
  .page-about .ab-matrix__cell:focus-within {
    transform: none;
  }
  .page-about .reveal {
    opacity: 1;
    transform: none;
  }
}
</main>

.page-about {
  --ab-cut: 16px;
  --ab-gap: 24px;
  background: var(--night);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-about .section {
  padding: 64px 0;
}

/* breadcrumbs */
.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  font-size: var(--step-1);
  color: var(--slate);
}
.page-about .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
}
.page-about .crumbs a {
  color: var(--sky);
  text-decoration: none;
}
.page-about .crumbs a:hover,
.page-about .crumbs a:focus-visible {
  color: var(--teal);
}

/* section heads */
.page-about .ab-section-head {
  max-width: 720px;
  margin-bottom: 32px;
}
.page-about .ab-section-head h2 {
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 14px;
  color: var(--white);
}
.page-about .ab-section-head__lead {
  font-size: var(--step-3);
  line-height: 1.7;
  color: var(--paper);
  opacity: 0.88;
  margin: 0;
}

/* hero */
.page-about .ab-hero {
  position: relative;
  padding: 36px 0 52px;
  background:
    linear-gradient(160deg, rgba(23, 195, 166, 0.16) 0%, rgba(11, 26, 46, 0) 46%),
    var(--night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), 0 100%);
}
.page-about .ab-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 12%;
  width: 52%;
  height: 62%;
  background: linear-gradient(-14deg, rgba(242, 180, 65, 0.14), rgba(242, 180, 65, 0));
  transform: rotate(-8deg);
  pointer-events: none;
}
.page-about .ab-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}
.page-about .ab-hero h1 {
  font-size: clamp(32px, 8vw, var(--step-6));
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 8px 0 18px;
  color: var(--white);
}
.page-about .ab-hero__lead {
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  max-width: 60ch;
  margin: 0 0 26px;
}
.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.page-about .ab-hero__stats .stat {
  background: rgba(17, 26, 36, 0.86);
  border-left: 3px solid var(--teal);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-about .ab-hero__stats .stat--red { border-left-color: var(--red); }
.page-about .ab-hero__stats .stat--light { border-left-color: var(--gold); }
.page-about .ab-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: var(--step-6);
  line-height: 1;
  color: var(--gold);
}
.page-about .ab-hero__stats .stat--teal .stat__value { color: var(--teal); }
.page-about .ab-hero__stats .stat--red .stat__value { color: var(--red); }
.page-about .ab-hero__stats .stat__label {
  font-size: var(--step-1);
  color: var(--paper);
  opacity: 0.82;
  line-height: 1.5;
}

/* timeline */
.page-about .ab-timeline { background: var(--night); }
.page-about .ab-timeline__figure { margin: 0 0 36px; }
.page-about .ab-tl { position: relative; padding-left: 28px; }
.page-about .ab-tl__axis {
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal) 0%, var(--gold) 62%, var(--red) 100%);
  opacity: 0.6;
}
.page-about .ab-tl__node {
  position: relative;
  margin-bottom: 14px;
  background: rgba(243, 233, 214, 0.05);
  border: 1px solid var(--line-dark);
  clip-path: polygon(0 0, calc(100% - var(--ab-cut)) 0, 100% var(--ab-cut), 100% 100%, var(--ab-cut) 100%, 0 calc(100% - var(--ab-cut)));
}
.page-about .ab-tl__head {
  width: 100%;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}
.page-about .ab-tl__head:hover { background: rgba(23, 195, 166, 0.08); }
.page-about .ab-tl__head:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
  box-shadow: 0 0 0 4px rgba(242, 180, 65, 0.18);
}
.page-about .ab-tl__ring {
  grid-column: 1;
  width: 14px;
  height: 14px;
  margin-left: -35px;
  border-radius: 50%;
  border: 3px solid var(--teal);
  background: var(--night);
}
.page-about .ab-tl__node--gold .ab-tl__ring { border-color: var(--gold); }
.page-about .ab-tl__year {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: var(--step-3);
  color: var(--gold);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.page-about .ab-tl__title {
  grid-column: 3;
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--white);
  line-height: 1.45;
}
.page-about .ab-tl__body {
  margin: 0 18px;
  padding: 0 0 18px;
  border-top: 1px dashed var(--line-dark);
}
.page-about .ab-tl__body p {
  margin: 14px 0 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.9;
  max-width: 68ch;
}
.page-about .ab-tl__head[aria-expanded="false"] + .ab-tl__body { display: none; }

/* regions */
.page-about .ab-regions { background: var(--ink); }
.page-about .ab-regions__grid { display: grid; gap: 28px; }
.page-about .ab-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .ab-matrix__cell {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 12px;
  background: rgba(243, 233, 214, 0.06);
  border-left: 3px solid var(--slate);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: transform 200ms ease, background 200ms ease;
}
.page-about .ab-matrix__cell--core {
  border-left-color: var(--teal);
  background: rgba(23, 195, 166, 0.1);
}
.page-about .ab-matrix__cell--new {
  border-left-color: var(--gold);
  background: rgba(242, 180, 65, 0.08);
}
.page-about .ab-matrix__cell:hover,
.page-about .ab-matrix__cell:focus-within {
  transform: translateY(-6px);
  background: rgba(127, 182, 217, 0.14);
}
.page-about .ab-matrix__name {
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--white);
}
.page-about .ab-matrix__meta {
  font-size: var(--step-1);
  color: var(--gold);
}
.page-about .ab-matrix__cell::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 3;
  width: max-content;
  max-width: 220px;
  padding: 8px 10px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--night);
  background: var(--paper);
  opacity: 0;
  visibility: hidden;
  transition: opacity 160ms ease;
  pointer-events: none;
}
.page-about .ab-matrix__cell:hover::after,
.page-about .ab-matrix__cell:focus-within::after {
  opacity: 1;
  visibility: visible;
}
.page-about .ab-regions__legend {
  background: var(--paper);
  color: var(--night);
  padding: 22px 20px;
  clip-path: polygon(var(--ab-cut) 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%, 0 var(--ab-cut));
}
.page-about .ab-regions__legend-title {
  font-size: var(--step-3);
  font-weight: 700;
  margin: 0 0 14px;
  color: var(--night);
}
.page-about .ab-regions__legend ul {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .ab-regions__legend li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 10px;
  font-size: var(--step-2);
  line-height: 1.65;
  color: var(--ink);
}
.page-about .ab-dot {
  margin-top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}
.page-about .ab-dot--core { background: var(--teal); }
.page-about .ab-dot--reg { background: var(--slate); }
.page-about .ab-dot--new { background: var(--gold); }
.page-about .ab-regions__note {
  font-size: var(--step-1);
  color: var(--slate);
  margin: 0 0 16px;
}

/* source */
.page-about .ab-source {
  background: var(--paper);
  color: var(--night);
}
.page-about .ab-source__grid { display: grid; gap: 32px; }
.page-about .ab-source__copy h2 {
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--night);
}
.page-about .ab-source__copy p {
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--ink);
  max-width: 66ch;
  margin: 0 0 16px;
}
.page-about .ab-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-about .ab-flow__step {
  position: relative;
  padding: 18px;
  background: var(--white);
  border-top: 3px solid var(--teal-deep);
}
.page-about .ab-flow__step:nth-child(2) { border-top-color: var(--sky); }
.page-about .ab-flow__step:nth-child(3) { border-top-color: var(--gold); }
.page-about .ab-flow__num {
  display: block;
  margin-bottom: 10px;
  font-size: var(--step-4);
  line-height: 1;
  color: var(--teal-deep);
}
.page-about .ab-flow__step:nth-child(2) .ab-flow__num { color: var(--sky); }
.page-about .ab-flow__step:nth-child(3) .ab-flow__num { color: var(--gold); }
.page-about .ab-flow__step h3 {
  margin: 0 0 6px;
  font-size: var(--step-3);
  color: var(--night);
}
.page-about .ab-flow__step p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink);
  max-width: 60ch;
}
.page-about .ab-flow__time {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--slate);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}
.page-about .ab-source__figure { margin: 0; }

/* away */
.page-about .ab-away { background: var(--night); }
.page-about .ab-away__board {
  background: rgba(17, 26, 36, 0.9);
  padding: 22px 20px;
  clip-path: polygon(var(--ab-cut) 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%, 0 var(--ab-cut));
}
.page-about .ab-away__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}
.page-about .ab-away__chart {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}
.page-about .ab-bar {
  display: grid;
  grid-template-columns: 80px 1fr 52px;
  align-items: center;
  gap: 12px;
}
.page-about .ab-bar__season {
  font-size: 13px;
  color: var(--slate);
}
.page-about .ab-bar__track {
  position: relative;
  display: block;
  height: 18px;
  background: rgba(243, 233, 214, 0.08);
}
.page-about .ab-bar__fill {
  display: block;
  height: 100%;
  width: var(--w, 0%);
  transition: width 200ms ease;
}
.page-about .ab-bar__fill--teal { background: var(--teal); }
.page-about .ab-bar__fill--sky { background: var(--sky); }
.page-about .ab-bar__fill--red { background: var(--red); }
.page-about .ab-bar__val {
  font-size: var(--step-2);
  color: var(--gold);
  text-align: right;
}
.page-about .ab-bar[hidden] { display: none; }
.page-about .ab-away__keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-about .ab-away__keys li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  font-size: var(--step-2);
  line-height: 1.65;
  color: var(--paper);
  opacity: 0.9;
}
.page-about .ab-swatch {
  margin-top: 6px;
  width: 16px;
  height: 12px;
  display: block;
}
.page-about .ab-swatch--teal { background: var(--teal); }
.page-about .ab-swatch--sky { background: var(--sky); }
.page-about .ab-swatch--red { background: var(--red); }
.page-about .ab-away__related {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}
.page-about .ab-related-card {
  padding: 22px 20px;
  background: var(--white);
  color: var(--ink);
}
.page-about .ab-related-card h3 {
  margin: 0 0 10px;
  font-size: var(--step-3);
  color: var(--night);
}
.page-about .ab-related-card p {
  margin: 0 0 14px;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--ink);
}
.page-about .ab-link {
  display: inline-block;
  font-size: var(--step-2);
  font-weight: 700;
  color: var(--teal-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--teal);
  padding-bottom: 2px;
}
.page-about .ab-link:hover,
.page-about .ab-link:focus-visible {
  color: var(--night);
  border-bottom-color: var(--gold);
}
.page-about .ab-link--light {
  color: var(--sky);
  border-bottom-color: var(--sky);
  margin-left: 16px;
}
.page-about .ab-link--light:hover,
.page-about .ab-link--light:focus-visible {
  color: var(--white);
  border-bottom-color: var(--gold);
}

/* partners */
.page-about .ab-partners { background: var(--night); }
.page-about .ab-partners__grid {
  display: grid;
  gap: 18px;
  margin-bottom: 32px;
}
.page-about .ab-partner-col {
  position: relative;
  padding: 26px 22px;
  background: rgba(243, 233, 214, 0.05);
  border-left: 4px solid var(--teal);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ab-cut)), calc(100% - var(--ab-cut)) 100%, 0 100%);
}
.page-about .ab-partner-col--gold { border-left-color: var(--gold); }
.page-about .ab-partner-col__num {
  font-size: var(--step-6);
  line-height: 1;
  color: var(--teal);
  display: block;
  font-family: var(--font-mono);
}
.page-about .ab-partner-col--gold .ab-partner-col__num { color: var(--gold); }
.page-about .ab-partner-col h3 {
  margin: 12px 0 10px;
  font-size: var(--step-4);
  color: var(--white);
}
.page-about .ab-partner-col p {
  margin: 0 0 14px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.9;
}
.page-about .ab-partners__figure { margin: 0; }

/* legal */
.page-about .ab-legal { background: var(--ink); }
.page-about .ab-legal__grid { display: grid; gap: 28px; }
.page-about .ab-legal__main h2 {
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--white);
}
.page-about .ab-legal__main > p {
  font-size: var(--step-2);
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.9;
  max-width: 66ch;
  margin: 0 0 22px;
}
.page-about .ab-legal__list {
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}
.page-about .ab-legal__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-dark);
}
.page-about .ab-legal__row dt {
  font-size: var(--step-1);
  color: var(--slate);
  letter-spacing: 0.04em;
}
.page-about .ab-legal__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: var(--step-2);
  color: var(--white);
}
.page-about .ab-legal__row dd a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 182, 217, 0.5);
}
.page-about .ab-legal__row dd a:hover,
.page-about .ab-legal__row dd a:focus-visible {
  color: var(--teal);
  border-bottom-color: var(--teal);
}
.page-about .ab-copy {
  font: inherit;
  font-size: 13px;
  padding: 4px 12px;
  color: var(--night);
  background: var(--gold);
  border: 0;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}
.page-about .ab-copy:hover,
.page-about .ab-copy:focus-visible {
  background: var(--teal);
  color: var(--paper);
  outline: none;
}
.page-about .ab-legal__note {
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.8;
  max-width: 66ch;
  margin: 0;
}
.page-about .ab-legal__side {
  padding: 24px 20px;
  background: var(--ink);
  color: var(--paper);
}
.page-about .ab-legal__side h3 {
  margin: 0 0 10px;
  font-size: var(--step-3);
  color: var(--white);
}
.page-about .ab-legal__side p {
  margin: 0 0 18px;
  font-size: var(--step-2);
  line-height: 1.75;
  color: var(--paper);
  opacity: 0.88;
}

/* media */
.page-about .media-frame {
  position: relative;
  background: rgba(243, 233, 214, 0.06);
  border: 1px solid var(--line-dark);
}
.page-about .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .media-frame--tall img { aspect-ratio: 3 / 2; }
.page-about .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  background: rgba(17, 26, 36, 0.86);
}
.page-about .ab-source .media-frame { border-color: var(--line-light); }
.page-about .ab-source .media-frame__caption {
  color: var(--ink);
  background: rgba(11, 26, 46, 0.08);
}

/* reveal */
.page-about .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 200ms ease, transform 200ms ease;
}
.page-about .reveal[data-visible="true"] {
  opacity: 1;
  transform: none;
}

@media (min-width: 720px) {
  .page-about .section { padding: 80px 0; }
  .page-about .ab-hero { padding: 52px 0 72px; }
  .page-about .ab-hero__stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .ab-matrix { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .ab-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .ab-away__related { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .ab-partners__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .ab-legal__row { grid-template-columns: 140px 1fr; align-items: baseline; }
}

@media (min-width: 1024px) {
  .page-about .container { padding: 0 32px; }
  .page-about .section { padding: 96px 0; }
  .page-about .ab-hero {
    padding: 72px 0 96px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 64px), 0 100%);
  }
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.85fr);
    align-items: start;
    gap: 48px;
  }
  .page-about .ab-hero__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 26px; }
  .page-about .ab-tl {
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 32px;
  }
  .page-about .ab-tl__axis { left: 50%; }
  .page-about .ab-tl__node { margin-bottom: 0; }
  .page-about .ab-tl__node:nth-child(even) { transform: translateY(24px); }
  .page-about .ab-regions__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(260px, 0.7fr);
    align-items: start;
    gap: 32px;
  }
  .page-about .ab-matrix { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .ab-source__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    align-items: start;
    gap: 44px;
  }
  .page-about .ab-away__board { padding: 34px 32px; }
  .page-about .ab-bar { grid-template-columns: 96px 1fr 64px; }
  .page-about .ab-partner-col { padding: 32px 28px; }
  .page-about .ab-legal__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.7fr);
    align-items: start;
    gap: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-matrix__cell,
  .page-about .ab-bar__fill,
  .page-about .reveal { transition: none; }
  .page-about .ab-matrix__cell:hover,
  .page-about .ab-matrix__cell:focus-within { transform: none; }
  .page-about .reveal { opacity: 1; transform: none; }
}

.page-about {
  --w: 1rem;
}