.page-about {
  --ab-rail: 100px;
  --ab-cut: 18px;
  --ab-line: rgba(159, 182, 200, .2);
  --ab-body: rgba(242, 231, 213, .84);
  --ab-dim: rgba(242, 231, 213, .62);
  background: var(--ink);
  color: var(--cream);
  overflow-x: clip;
}

.page-about .ab-hero {
  position: relative;
  padding: clamp(112px, 16vw, 190px) 0 clamp(36px, 6vw, 76px);
  background:
    radial-gradient(680px 380px at 88% 6%, rgba(61, 242, 208, .14), transparent 70%),
    radial-gradient(560px 340px at 2% 24%, rgba(255, 106, 42, .12), transparent 72%),
    var(--ink);
  overflow: hidden;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(159, 182, 200, .08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(159, 182, 200, .06) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .8), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .8), transparent 76%);
  pointer-events: none;
}

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

.page-about .ab-crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .bp-crumb__link,
.page-about .bp-crumb__item {
  color: var(--mist);
  font-size: 12.5px;
  letter-spacing: .08em;
}

.page-about .bp-crumb__link:hover,
.page-about .bp-crumb__link:focus-visible {
  color: var(--cyan);
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
}

.page-about .ab-hero__body {
  min-width: 0;
}

.page-about .ab-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  min-width: 0;
}

.page-about .ab-annot {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--cyan);
  margin: 0;
  writing-mode: horizontal-tb;
}

.page-about .ab-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.page-about .ab-index a {
  display: inline-flex;
  gap: 6px;
  align-items: baseline;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ab-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-about .ab-index a:hover,
.page-about .ab-index a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

.page-about .ab-index .bp-num {
  font-size: 11px;
  color: var(--amber);
}

.page-about .ab-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 7.4vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -.015em;
  margin: 10px 0 18px;
  max-width: 16ch;
  color: var(--cream);
}

.page-about .ab-h1__mark {
  color: var(--signal);
  font-style: normal;
  display: inline-block;
  border-bottom: 6px solid rgba(255, 106, 42, .3);
  padding-bottom: 2px;
}

.page-about .ab-lede {
  color: var(--ab-body);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  max-width: 58ch;
  margin: 0;
}

.page-about .ab-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
  margin: clamp(20px, 3vw, 30px) 0;
}

.page-about .ab-fact {
  background: rgba(13, 43, 69, .74);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-fact__num {
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--cyan);
  line-height: 1;
}

.page-about .ab-fact__label {
  font-size: 12.5px;
  color: var(--ab-dim);
  letter-spacing: .06em;
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .ab-sec {
  padding: clamp(48px, 8vw, 96px) 0;
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-sec__grid {
  display: grid;
  gap: clamp(14px, 3vw, 24px);
}

.page-about .ab-sec__body {
  min-width: 0;
}

.page-about .ab-sec__rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-about .ab-sec__num {
  font-size: 13px;
  color: var(--signal);
  letter-spacing: .18em;
}

.page-about .ab-annot--sec {
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--mist);
  writing-mode: horizontal-tb;
  margin: 0;
}

.page-about .bp-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 0 0 18px;
  max-width: 22ch;
  color: var(--cream);
}

.page-about .ab-p {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: var(--ab-body);
  max-width: 60ch;
  margin: 0 0 1.05em;
}

.page-about .ab-path {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-path .bp-legend__item {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--ab-line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ab-body);
}

.page-about .ab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--mist);
  transform: translateY(-1px);
}

.page-about .ab-dot--signal {
  background: var(--signal);
}

.page-about .ab-dot--cyan {
  background: var(--cyan);
}

.page-about .ab-dot--amber {
  background: var(--amber);
}

.page-about .ab-path__step {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--amber);
  margin-right: 6px;
}

.page-about .ab-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-about .ab-figure .bp-figure__media {
  background: var(--navy);
  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-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .bp-figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-about .ab-layers__list {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-about .ab-layer {
  position: relative;
  background: linear-gradient(150deg, rgba(13, 43, 69, .95), rgba(7, 26, 43, .92));
  padding: clamp(20px, 3vw, 30px) clamp(18px, 3vw, 30px) clamp(20px, 3vw, 28px) clamp(22px, 3.4vw, 34px);
  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-layer::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--cyan), rgba(61, 242, 208, 0));
}

.page-about .ab-layer__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-about .ab-layer__idx {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .14em;
}

.page-about .ab-layer__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  margin: 0;
  color: var(--cream);
}

.page-about .ab-layer__p {
  margin: 0 0 12px;
  font-size: 14.6px;
  line-height: 1.85;
  color: var(--ab-body);
  max-width: 56ch;
}

.page-about .ab-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--amber);
  border: 1px solid rgba(255, 200, 87, .35);
  padding: 3px 9px;
  display: inline-block;
}

.page-about .ab-band {
  border-top: 1px solid var(--ab-line);
  border-bottom: 1px solid var(--ab-line);
  background: linear-gradient(90deg, rgba(18, 63, 74, .92), rgba(7, 26, 43, .4));
  padding: clamp(18px, 3vw, 26px) 0;
}

.page-about .ab-band__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(20px, 4vw, 48px);
  align-items: baseline;
}

.page-about .ab-band__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--ab-dim);
  letter-spacing: .03em;
}

.page-about .ab-band__item .bp-num {
  color: var(--cyan);
  font-size: 1.2rem;
  line-height: 1;
}

.page-about .ab-team__cards {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-about .ab-card {
  background: linear-gradient(155deg, var(--cream) 0%, var(--gold) 100%);
  color: var(--brown);
  padding: clamp(18px, 2.6vw, 26px);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-about .ab-card__kicker {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--signal);
  margin-bottom: 14px;
}

.page-about .ab-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  margin: 0 0 4px;
  color: var(--brown);
}

.page-about .ab-card__num {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: rgba(28, 23, 18, .6);
  margin-bottom: 10px;
}

.page-about .ab-card__p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(28, 23, 18, .84);
}

.page-about .ab-tabs {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .ab-tabs .bp-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-tabs .bp-tabs__tab {
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: .03em;
  padding: 10px 16px;
  border: 1px solid var(--ab-line);
  background: rgba(13, 43, 69, .55);
  color: var(--ab-dim);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-about .ab-tabs .bp-tabs__tab:hover {
  color: var(--cream);
  border-color: rgba(61, 242, 208, .4);
}

.page-about .ab-tabs .bp-tabs__tab[aria-selected="true"] {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--brown);
  font-weight: 700;
}

.page-about .ab-tabs .bp-tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .bp-tabs__panel {
  margin-top: 18px;
  background: rgba(18, 63, 74, .5);
  border-left: 2px solid var(--cyan);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-about .bp-tabs__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ab-body);
  max-width: 58ch;
}

.page-about .bp-tabs__panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .ab-tl__intro {
  max-width: 62ch;
  margin-bottom: clamp(8px, 2vw, 16px);
}

.page-about .ab-tl .bp-tabs__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.page-about .ab-tl .bp-tabs__tab {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
  padding: 13px 16px 13px 36px;
  border: 1px solid var(--ab-line);
  background: rgba(13, 43, 69, .6);
  color: var(--ab-dim);
  font-family: var(--font-body);
  font-size: 14.5px;
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-about .ab-tl .bp-tabs__tab .bp-num {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-about .ab-tl .bp-tabs__tab::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mist);
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-about .ab-tl .bp-tabs__tab[aria-selected="true"] {
  color: var(--cream);
  border-color: rgba(61, 242, 208, .5);
  background: rgba(18, 63, 74, .88);
}

.page-about .ab-tl .bp-tabs__tab[aria-selected="true"]::before {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 42, .22);
}

.page-about .ab-tl .bp-tabs__tab[aria-selected="true"] .bp-num {
  color: var(--signal);
}

.page-about .ab-tl .bp-tabs__tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .ab-cov {
  padding: clamp(48px, 8vw, 96px) 0;
  border-top: 1px solid var(--ab-line);
  background: radial-gradient(700px 340px at 92% 100%, rgba(61, 242, 208, .09), transparent 70%);
}

.page-about .ab-cov__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-about .ab-cov__main {
  min-width: 0;
}

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-about .ab-stat {
  background: rgba(7, 26, 43, .92);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-stat .bp-num {
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  color: var(--cyan);
  line-height: 1;
}

.page-about .ab-stat span:last-child {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ab-dim);
}

.page-about .ab-ways__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  margin: 0 0 12px;
  color: var(--cream);
  letter-spacing: .02em;
}

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

.page-about .ab-ways li {
  padding: 15px 0;
  border-bottom: 1px solid var(--ab-line);
}

.page-about .ab-ways h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  margin: 0 0 6px;
  color: var(--cream);
}

.page-about .ab-ways p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ab-body);
}

.page-about .ab-ways__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .ab-next {
  padding: clamp(40px, 7vw, 80px) 0 clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--ab-line);
  background: linear-gradient(180deg, rgba(18, 63, 74, .32), transparent);
}

.page-about .ab-next__title {
  max-width: none;
}

.page-about .ab-next__grid {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-about .ab-next__link {
  display: grid;
  gap: 6px;
  text-decoration: none;
  color: var(--cream);
  border: 1px solid var(--ab-line);
  background: rgba(13, 43, 69, .5);
  padding: 18px 18px 20px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
}

.page-about .ab-next__link:hover,
.page-about .ab-next__link:focus-visible {
  border-color: rgba(61, 242, 208, .55);
  background: rgba(18, 63, 74, .82);
  transform: translateY(-2px);
  outline: none;
}

.page-about .ab-next__idx {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-about .ab-next__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
}

.page-about .ab-next__desc {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ab-dim);
}

@media (min-width: 760px) {
  .page-about .ab-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .ab-team__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .ab-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .ab-index {
    gap: 8px 18px;
  }
}

@media (min-width: 820px) {
  .page-about .ab-tl .bp-tabs__list {
    flex-direction: row;
    gap: clamp(14px, 2.4vw, 26px);
    padding-top: 26px;
  }

  .page-about .ab-tl .bp-tabs__list::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 6px;
    height: 2px;
    background: linear-gradient(90deg, rgba(61, 242, 208, .6), rgba(61, 242, 208, .05));
  }

  .page-about .ab-tl .bp-tabs__tab {
    flex: 1 1 0;
    padding: 16px 16px 18px;
    background: rgba(13, 43, 69, .55);
    border: 1px solid var(--ab-line);
  }

  .page-about .ab-tl .bp-tabs__tab::before {
    left: 18px;
    top: -21px;
    transform: none;
  }
}

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: var(--ab-rail) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 64px);
    align-items: start;
  }

  .page-about .ab-rail {
    display: block;
    border-left: 1px solid var(--ab-line);
    padding-left: 16px;
    align-self: start;
  }

  .page-about .ab-annot {
    writing-mode: vertical-rl;
    letter-spacing: .32em;
    margin-bottom: 20px;
  }

  .page-about .ab-index {
    display: grid;
    gap: 10px;
  }

  .page-about .ab-index a {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    border-bottom: 0;
  }

  .page-about .ab-sec__grid {
    grid-template-columns: var(--ab-rail) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 64px);
  }

  .page-about .ab-sec__rail {
    display: block;
    border-left: 1px solid var(--ab-line);
    padding-left: 16px;
  }

  .page-about .ab-annot--sec {
    writing-mode: vertical-rl;
    letter-spacing: .3em;
    margin-top: 12px;
  }

  .page-about .ab-layer:nth-child(2) {
    margin-left: clamp(20px, 5vw, 84px);
  }

  .page-about .ab-layer:nth-child(3) {
    margin-left: clamp(10px, 2.4vw, 40px);
  }

  .page-about .ab-cov__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-about .ab-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-index a,
  .page-about .ab-tabs .bp-tabs__tab,
  .page-about .ab-tl .bp-tabs__tab,
  .page-about .ab-next__link {
    transition-duration: .01ms;
  }

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