.page-about {
  --pa-gap: clamp(1.5rem, 4vw, 3.25rem);
  --pa-radius: 22px;
  color: var(--yk-white);
  background:
    radial-gradient(120% 80% at 10% -8%, rgba(42, 169, 255, 0.16), transparent 62%),
    radial-gradient(90% 70% at 94% 6%, rgba(38, 224, 194, 0.13), transparent 60%),
    var(--yk-night);
  overflow-x: clip;
}

.page-about .pa-hero {
  padding-top: calc(var(--yk-header-h) + 2.25rem);
  padding-bottom: var(--pa-gap);
  position: relative;
}

.page-about .pa-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% 12% auto;
  width: 46vw;
  height: 46vw;
  max-width: 520px;
  max-height: 520px;
  border-radius: 48% 52% 43% 57% / 55% 44% 56% 45%;
  background: radial-gradient(circle at 40% 40%, rgba(38, 224, 194, 0.18), transparent 68%);
  pointer-events: none;
}

.page-about .pa-crumbs {
  position: relative;
  z-index: 1;
}

.page-about .pa-hero__body {
  position: relative;
  z-index: 1;
  margin-top: 1.5rem;
}

.page-about .pa-hero__eyebrow {
  margin: 0 0 1rem;
  font-family: var(--yk-f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--yk-cyan);
}

.page-about .pa-hero__title {
  margin: 0 0 1.15rem;
  max-width: 18ch;
  font-family: var(--yk-f-head);
  font-weight: 900;
  font-size: clamp(1.95rem, 6vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--yk-white);
}

.page-about .pa-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.94rem, 2.3vw, 1.06rem);
  line-height: 1.85;
  color: var(--yk-mist);
}

.page-about .pa-stats {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--yk-line);
  border: 1px solid var(--yk-line);
  border-radius: var(--pa-radius);
  overflow: hidden;
}

.page-about .pa-stats__item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1rem 1.05rem;
  background: rgba(3, 21, 17, 0.62);
}

.page-about .pa-stats__num {
  font-family: var(--yk-f-score);
  font-weight: 800;
  font-size: clamp(1.65rem, 5vw, 2.35rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--yk-lime);
}

.page-about .pa-stats__num small {
  font-size: 0.5em;
  margin-left: 0.12em;
  color: var(--yk-cyan);
}

.page-about .pa-stats__label {
  font-family: var(--yk-f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--yk-mist);
}

.page-about .pa-hero__media {
  position: relative;
  z-index: 1;
  margin: 2rem 0 0;
  border: 1px solid var(--yk-line);
  border-radius: var(--pa-radius);
  overflow: hidden;
  background: rgba(3, 21, 17, 0.6);
}

.page-about .pa-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .pa-layout {
  display: grid;
  gap: 2rem;
  padding-block: var(--pa-gap);
}

.page-about .pa-rail {
  display: none;
}

.page-about .pa-rail__label {
  margin: 0 0 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--yk-line);
  font-family: var(--yk-f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--yk-mist);
}

.page-about .pa-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-about .pa-rail__link {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.5rem 0.5rem 0.5rem 0.7rem;
  border-left: 2px solid transparent;
  font-size: 0.86rem;
  color: var(--yk-mist);
  text-decoration: none;
  transition: color 0.2s var(--yk-ease), border-color 0.2s var(--yk-ease);
}

.page-about .pa-rail__link:hover,
.page-about .pa-rail__link:focus-visible {
  color: var(--yk-white);
  border-left-color: var(--yk-cyan);
}

.page-about .pa-rail__idx {
  font-family: var(--yk-f-mono);
  font-size: 0.68rem;
  color: var(--yk-lime);
}

.page-about .pa-flow {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4.25rem);
  min-width: 0;
}

.page-about .pa-block {
  scroll-margin-top: calc(var(--yk-header-h) + 1.5rem);
  min-width: 0;
}

.page-about .pa-block__head {
  margin-bottom: 1.5rem;
}

.page-about .pa-block__idx {
  margin: 0 0 0.6rem;
  font-family: var(--yk-f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--yk-cyan);
}

.page-about .pa-block__title {
  margin: 0 0 0.85rem;
  font-family: var(--yk-f-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--yk-white);
}

.page-about .pa-block__lead {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(0.92rem, 2.2vw, 1rem);
  line-height: 1.85;
  color: var(--yk-mist);
}

.page-about .pa-prose {
  display: grid;
  gap: 1rem;
  max-width: 64ch;
}

.page-about .pa-prose p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--yk-mist);
}

.page-about .pa-prose strong {
  color: var(--yk-white);
  font-weight: 700;
}

.page-about .pa-callout {
  margin: 1.5rem 0 0;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--yk-line);
  border-left: 3px solid var(--yk-lime);
  border-radius: 0 var(--yk-radius-sm) var(--yk-radius-sm) 0;
  background: linear-gradient(115deg, rgba(201, 255, 63, 0.08), rgba(6, 42, 36, 0) 72%);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--yk-white);
}

.page-about .pa-split {
  display: grid;
  gap: 1.5rem;
}

.page-about .pa-flowlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  counter-reset: paflow;
}

.page-about .pa-flowlist__item {
  counter-increment: paflow;
  position: relative;
  padding: 1.05rem 1.05rem 1.05rem 3.1rem;
  border: 1px solid var(--yk-line);
  border-radius: var(--yk-radius-sm);
  background: rgba(3, 21, 17, 0.45);
}

.page-about .pa-flowlist__item::before {
  content: counter(paflow, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: 1.05rem;
  font-family: var(--yk-f-mono);
  font-size: 0.78rem;
  color: var(--yk-lime);
}

.page-about .pa-flowlist__title {
  margin: 0 0 0.4rem;
  font-family: var(--yk-f-head);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--yk-white);
}

.page-about .pa-flowlist__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--yk-mist);
}

.page-about .pa-figure {
  margin: 1.5rem 0 0;
  border: 1px solid var(--yk-line);
  border-radius: var(--pa-radius);
  overflow: hidden;
  background: rgba(3, 21, 17, 0.6);
}

.page-about .pa-split .pa-figure {
  margin: 0;
}

.page-about .pa-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-about .pa-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-about .pa-figure figcaption {
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--yk-line);
  background: rgba(3, 21, 17, 0.72);
  font-family: var(--yk-f-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--yk-mist);
}

.page-about .pa-cats {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .pa-cats__item {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--yk-line);
  border-radius: 999px;
  background: rgba(38, 224, 194, 0.06);
  font-family: var(--yk-f-mono);
  font-size: 0.78rem;
  color: var(--yk-white);
}

.page-about .pa-cats__item--lead {
  border-color: rgba(201, 255, 63, 0.42);
  background: rgba(201, 255, 63, 0.12);
  color: var(--yk-lime);
}

.page-about .pa-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-about .pa-scenes__item {
  padding: 1rem 1.05rem;
  border: 1px solid var(--yk-line);
  border-radius: var(--yk-radius-sm);
  background: linear-gradient(150deg, rgba(38, 224, 194, 0.07), rgba(3, 21, 17, 0.55));
}

.page-about .pa-scenes__title {
  margin: 0 0 0.4rem;
  font-family: var(--yk-f-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--yk-white);
}

.page-about .pa-scenes__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--yk-mist);
}

.page-about .pa-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-about .pa-timeline__item {
  position: relative;
  padding: 0.2rem 0 0.2rem 1.55rem;
  transition: transform 0.25s var(--yk-ease);
}

.page-about .pa-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--yk-cyan), rgba(19, 84, 71, 0.15));
}

.page-about .pa-timeline__item::after {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--yk-lime);
  box-shadow: 0 0 0 4px rgba(201, 255, 63, 0.14);
}

.page-about .pa-timeline__item:hover {
  transform: translateY(-2px);
}

.page-about .pa-timeline__year {
  margin: 0 0 0.35rem;
  font-family: var(--yk-f-score);
  font-weight: 800;
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--yk-cyan);
}

.page-about .pa-timeline__title {
  margin: 0 0 0.35rem;
  font-family: var(--yk-f-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--yk-white);
}

.page-about .pa-timeline__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--yk-mist);
}

.page-about .pa-team__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1rem;
  padding: 0;
  border: 0;
}

.page-about .pa-team__tab {
  appearance: none;
  cursor: pointer;
  padding: 0.55rem 1rem;
  border: 1px solid var(--yk-line);
  border-radius: 999px;
  background: rgba(3, 21, 17, 0.55);
  font-family: var(--yk-f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--yk-mist);
  transition: color 0.2s var(--yk-ease), background-color 0.2s var(--yk-ease),
    border-color 0.2s var(--yk-ease);
}

.page-about .pa-team__tab:hover {
  color: var(--yk-white);
  border-color: var(--yk-cyan);
}

.page-about .pa-team__tab[aria-selected="true"] {
  color: var(--yk-hole);
  background: var(--yk-cyan);
  border-color: var(--yk-cyan);
  font-weight: 700;
}

.page-about .pa-team__tab:focus-visible {
  outline: 2px solid var(--yk-lime);
  outline-offset: 2px;
}

.page-about .pa-team__panel {
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--yk-line);
  border-radius: var(--pa-radius);
  background: linear-gradient(160deg, rgba(19, 84, 71, 0.34), rgba(3, 21, 17, 0.62));
}

.page-about .pa-team__panel:focus-visible {
  outline: 2px solid var(--yk-cyan);
  outline-offset: 2px;
}

.page-about .pa-team__count {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
  margin: 0 0 0.6rem;
}

.page-about .pa-team__num {
  font-family: var(--yk-f-score);
  font-weight: 800;
  font-size: clamp(2.2rem, 7vw, 3rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--yk-lime);
}

.page-about .pa-team__unit {
  font-family: var(--yk-f-mono);
  font-size: 0.76rem;
  color: var(--yk-cyan);
}

.page-about .pa-team__title {
  margin: 0 0 0.5rem;
  font-family: var(--yk-f-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--yk-white);
}

.page-about .pa-team__text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.85;
  color: var(--yk-mist);
}

.page-about .pa-team__facts {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-about .pa-team__fact {
  padding: 0.9rem 1rem;
  border: 1px solid var(--yk-line);
  border-radius: var(--yk-radius-sm);
  background: rgba(3, 21, 17, 0.45);
}

.page-about .pa-team__fact-num {
  margin: 0 0 0.3rem;
  font-family: var(--yk-f-score);
  font-weight: 800;
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--yk-white);
}

.page-about .pa-team__fact-num small {
  font-size: 0.6em;
  color: var(--yk-cyan);
}

.page-about .pa-team__fact-text {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--yk-mist);
}

.page-about .pa-principles {
  display: grid;
  gap: 0.9rem;
}

.page-about .pa-principles__item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.2rem 1.15rem;
  border: 1px solid var(--yk-line);
  border-radius: var(--pa-radius);
  background: linear-gradient(165deg, rgba(19, 84, 71, 0.42), rgba(3, 21, 17, 0.68));
  color: var(--yk-white);
  text-decoration: none;
  transition: transform 0.25s var(--yk-ease), border-color 0.25s var(--yk-ease);
}

.page-about .pa-principles__item:hover,
.page-about .pa-principles__item:focus-visible {
  transform: translateY(-4px);
  border-color: var(--yk-cyan);
}

.page-about .pa-principles__item:focus-visible {
  outline: 2px solid var(--yk-lime);
  outline-offset: 2px;
}

.page-about .pa-principles__tag {
  margin: 0;
  font-family: var(--yk-f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yk-warm);
}

.page-about .pa-principles__title {
  margin: 0;
  font-family: var(--yk-f-head);
  font-weight: 700;
  font-size: 1rem;
}

.page-about .pa-principles__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--yk-mist);
}

.page-about .pa-principles__go {
  margin-top: 0.35rem;
  font-family: var(--yk-f-mono);
  font-size: 0.78rem;
  color: var(--yk-cyan);
}

.page-about .pa-principles__go::after {
  content: " →";
}

.page-about .pa-outro {
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--yk-line);
  max-width: 64ch;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--yk-mist);
}

@media (min-width: 700px) {
  .page-about .pa-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-about .pa-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
    gap: 1.75rem;
  }

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

@media (min-width: 960px) {
  .page-about .pa-timeline {
    grid-auto-flow: column;
    grid-auto-columns: minmax(200px, 1fr);
    gap: 1.25rem;
    overflow-x: auto;
    padding: 0.25rem 0 0.75rem;
    scrollbar-width: thin;
  }

  .page-about .pa-timeline__item {
    padding: 1.75rem 0.9rem 0.6rem 0;
    min-width: 0;
  }

  .page-about .pa-timeline__item::before {
    left: 0;
    right: 0.9rem;
    top: 0;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--yk-cyan), rgba(19, 84, 71, 0.2));
  }

  .page-about .pa-timeline__item::after {
    left: 0;
    top: -4px;
  }
}

@media (min-width: 1000px) {
  .page-about .pa-layout {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-about .pa-rail {
    display: block;
    position: sticky;
    top: calc(var(--yk-header-h) + 2rem);
    align-self: start;
  }

  .page-about .pa-hero__title {
    max-width: 20ch;
  }
}

@media (min-width: 1120px) {
  .page-about .pa-hero__body {
    padding-right: 6%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .pa-rail__link,
  .page-about .pa-timeline__item,
  .page-about .pa-team__tab,
  .page-about .pa-principles__item {
    transition: none;
  }

  .page-about .pa-timeline__item:hover,
  .page-about .pa-principles__item:hover,
  .page-about .pa-principles__item:focus-visible {
    transform: none;
  }
}
<<<END>>>