.page-about {
  --ab-rule: rgba(91, 111, 134, .30);
  --ab-rule-soft: rgba(91, 111, 134, .16);
  --ab-dim: rgba(244, 248, 250, .78);
  --ab-dim-2: rgba(244, 248, 250, .62);
  background: var(--c-ink);
  color: var(--c-text);
}

.page-about .ab-crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- Hero ---------- */
.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(44px, 7vw, 84px);
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  top: -16%;
  right: -22%;
  width: min(900px, 100vw);
  height: 130%;
  background: linear-gradient(165deg, var(--c-lift) 0%, rgba(18, 44, 79, 0) 74%);
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 84%);
  pointer-events: none;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: var(--kit-gutter);
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-cyan), rgba(34, 224, 208, 0) 58%);
}

.page-about .ab-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-about .ab-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 6.6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  margin: 14px 0 18px;
  color: var(--c-text);
}

.page-about .ab-hero__lede {
  max-width: 34em;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--ab-dim);
  margin: 0;
}

.page-about .ab-hero__facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--ab-rule);
}

.page-about .ab-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .ab-hero__plus {
  color: var(--c-amber);
}

.page-about .ab-hero__cap {
  display: block;
  margin-top: 9px;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--ab-dim-2);
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 34px);
}

.page-about .ab-hero__card {
  background: var(--c-paper);
  color: var(--c-text-dark);
  border-radius: var(--kit-radius);
  padding: clamp(16px, 2.4vw, 22px);
  box-shadow: 0 26px 60px rgba(7, 20, 38, .55);
  transform: rotate(-1.1deg);
}

.page-about .ab-hero__cardhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-about .ab-hero__no {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-about .ab-hero__media {
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--c-paper2);
}

.page-about .ab-hero__note {
  margin: 14px 0 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--c-navy);
  opacity: .74;
}

/* ---------- Layout ---------- */
.page-about .ab-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  padding-block: clamp(32px, 6vw, 72px);
}

.page-about .ab-toc {
  border: 1px solid var(--ab-rule);
  border-radius: var(--kit-radius);
  background: rgba(18, 44, 79, .48);
  padding: 16px 18px;
}

.page-about .ab-toc .kit-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--c-amber);
}

.page-about .ab-toc .kit-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .ab-toc .kit-toc__link {
  display: inline-block;
  padding: 4px 0;
  font-size: .875rem;
  color: var(--ab-dim-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-about .ab-toc .kit-toc__link:hover,
.page-about .ab-toc .kit-toc__link:focus-visible,
.page-about .ab-toc .kit-toc__link[aria-current="true"] {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* ---------- Chapters ---------- */
.page-about .ab-chap {
  padding-block: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--ab-rule-soft);
}

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

.page-about .ab-chap__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2.6vw, 26px);
  margin-bottom: clamp(16px, 2.6vw, 24px);
}

.page-about .ab-chap__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  line-height: .92;
  color: rgba(34, 224, 208, .16);
  -webkit-text-stroke: 1px var(--c-cyan);
}

.page-about .ab-chap__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  margin: 6px 0 0;
  color: var(--c-text);
}

.page-about .ab-p {
  max-width: 38em;
  margin: 0 0 1.05em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ab-dim);
}

.page-about .ab-quote {
  max-width: 38em;
  margin: clamp(20px, 3vw, 28px) 0;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--c-cyan);
}

.page-about .ab-quote p {
  margin: 0;
  font-family: var(--font-read);
  font-size: clamp(1.0625rem, 1.8vw, 1.1875rem);
  line-height: 1.8;
  color: var(--c-text);
}

/* ---------- History ---------- */
.page-about .ab-history {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-about .ab-history__fig {
  aspect-ratio: 5 / 7;
  max-width: 260px;
  border-radius: var(--kit-radius);
  overflow: hidden;
  background: var(--c-navy);
}

.page-about .ab-axis {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0;
}

.page-about .ab-axis::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--c-cyan), var(--c-amber));
}

.page-about .ab-axis__item {
  position: relative;
  padding: 0 0 clamp(18px, 3vw, 26px) 34px;
}

.page-about .ab-axis__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-ink);
  border: 2px solid var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(34, 224, 208, .12);
}

.page-about .ab-axis__year {
  display: block;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--c-amber);
}

.page-about .ab-axis__det summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--c-text);
}

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

.page-about .ab-axis__det summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--c-cyan);
}

.page-about .ab-axis__det[open] summary::after {
  content: "–";
}

.page-about .ab-axis__det summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-about .ab-axis__det p {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ab-dim-2);
}

/* ---------- Paper slab ---------- */
.page-about .ab-slab {
  background: var(--c-paper);
  color: var(--c-text-dark);
  border-radius: var(--kit-radius);
  padding: clamp(22px, 4vw, 38px);
  margin-top: clamp(8px, 2vw, 16px);
}

.page-about .ab-slab__foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(11, 31, 58, .16);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-navy);
  opacity: .82;
}

.page-about .ab-rules {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-about .ab-rule {
  border-top: 2px solid var(--c-cyan-deep);
  padding-top: 14px;
}

.page-about .ab-rule h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.0625rem;
  letter-spacing: .01em;
  color: var(--c-text-dark);
}

.page-about .ab-rule p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-navy);
  opacity: .8;
}

/* ---------- Team ---------- */
.page-about .ab-team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .ab-team__card {
  position: relative;
  padding: 20px;
  border: 1px solid var(--ab-rule);
  border-radius: var(--kit-radius);
  background: rgba(18, 44, 79, .55);
  transition: transform .2s ease, border-color .2s ease;
}

.page-about .ab-team__card:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.page-about .ab-team__n {
  display: block;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .18em;
  color: var(--c-slate);
}

.page-about .ab-team__count {
  margin: 10px 0 4px;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .ab-team__count span {
  font-size: .8125rem;
  margin-left: 4px;
  color: var(--ab-dim-2);
}

.page-about .ab-team__card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
}

.page-about .ab-team__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ab-dim-2);
}

.page-about .ab-team__fig {
  aspect-ratio: 3 / 2;
  margin: clamp(22px, 3.4vw, 30px) 0 0;
  border-radius: var(--kit-radius);
  overflow: hidden;
  background: var(--c-navy);
}

.page-about .ab-team__fig + .ab-p {
  margin-top: clamp(18px, 3vw, 24px);
}

/* ---------- Industries ---------- */
.page-about .ab-industries {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-about .ab-ind {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(11, 31, 58, .14);
}

.page-about .ab-ind:last-child {
  border-bottom: 0;
}

.page-about .ab-ind__n {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  padding-top: 5px;
  color: var(--c-cyan-deep);
}

.page-about .ab-ind h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--c-text-dark);
}

.page-about .ab-ind p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--c-navy);
  opacity: .78;
}

/* ---------- Stats ---------- */
.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(20px, 3vw, 28px) 0;
  border: 1px solid var(--ab-rule-soft);
  border-radius: var(--kit-radius);
  overflow: hidden;
  background: var(--ab-rule-soft);
}

.page-about .ab-stat {
  background: var(--c-navy);
  padding: 20px 16px;
}

.page-about .ab-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .ab-stat__num span {
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--c-amber);
  margin-left: 3px;
}

.page-about .ab-stat__cap {
  margin: 10px 0 0;
  font-size: .8125rem;
  color: var(--ab-dim-2);
}

/* ---------- CTA ---------- */
.page-about .ab-cta {
  margin-top: clamp(28px, 4.6vw, 46px);
  padding: clamp(24px, 4vw, 42px);
  border-radius: var(--kit-radius);
  border: 1px solid var(--ab-rule);
  background: linear-gradient(135deg, var(--c-lift) 0%, var(--c-navy) 68%);
}

.page-about .ab-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.8vw, 1.75rem);
  line-height: 1.3;
  color: var(--c-text);
}

.page-about .ab-cta__text {
  margin: 0;
  max-width: 36em;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--ab-dim);
}

.page-about .ab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-about .ab-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, .45);
  transition: border-color .18s ease, color .18s ease;
}

.page-about .ab-link:hover,
.page-about .ab-link:focus-visible {
  color: var(--c-amber);
  border-bottom-color: var(--c-amber);
}

.page-about .ab-link:focus-visible,
.page-about .ab-cta__actions a:focus-visible,
.page-about .ab-hero__actions a:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

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

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

  .page-about .ab-rules {
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  }

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

  .page-about .ab-industries {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-about .ab-industries .ab-ind:nth-last-child(2) {
    border-bottom: 0;
  }

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

@media (min-width: 840px) {
  .page-about .ab-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .ab-history {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .ab-history__fig {
    max-width: none;
    position: sticky;
    top: 100px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-layout {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4vw, 60px);
  }

  .page-about .ab-side {
    position: sticky;
    top: 96px;
  }

  .page-about .ab-toc .kit-toc__list {
    display: block;
  }

  .page-about .ab-toc .kit-toc__list li + li {
    margin-top: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-hero__card {
    transform: none;
  }

  .page-about .ab-team__card {
    transition: none;
  }

  .page-about .ab-team__card:hover {
    transform: none;
  }
}