.page-about {
  --about-rule: 1px solid var(--ly-line);
  color: var(--ly-paper);
  overflow-x: hidden;
}

.page-about .page-about__crumbs {
  padding-block: 18px 0;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  padding-block: clamp(26px, 5vw, 54px) clamp(34px, 5vw, 62px);
  border-bottom: var(--about-rule);
}

.page-about .about-hero__title {
  margin: 16px 0 0;
  font-family: var(--ly-display);
  font-size: clamp(2.1rem, 6.6vw, 4.1rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-about .about-hero__lead {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.8;
  color: #C3D2E1;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- stats ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(32px, 5vw, 52px);
  background: var(--ly-line);
  border: var(--about-rule);
}

.page-about .about-stats__item {
  background: var(--ly-deep);
  padding: 18px 16px 20px;
  border-top: 2px solid var(--ly-coral);
}

.page-about .about-stats__num {
  margin: 0;
  font-family: var(--ly-mono);
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ly-paper);
}

.page-about .about-stats__label {
  margin: 10px 0 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ly-mist);
}

/* ---------- chapter jump ---------- */
.page-about .about-jump {
  border-bottom: var(--about-rule);
}

.page-about .about-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0 4px;
  margin: 0;
  padding: 6px 0;
  list-style: none;
}

.page-about .about-jump__link {
  display: inline-block;
  padding: 10px 10px 10px 0;
  font-family: var(--ly-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ly-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ly-ease), border-color 180ms var(--ly-ease);
}

.page-about .about-jump__link:hover,
.page-about .about-jump__link:focus-visible {
  color: var(--ly-cyan);
  border-bottom-color: var(--ly-cyan);
}

/* ---------- chapters ---------- */
.page-about .chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  padding-block: clamp(40px, 6.5vw, 82px);
  border-bottom: var(--about-rule);
}

.page-about .chapter__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-about .chapter__num {
  font-family: var(--ly-mono);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ly-coral);
  opacity: 0.62;
}

.page-about .chapter__meta {
  font-family: var(--ly-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ly-mist);
}

.page-about .chapter__title {
  margin: 0 0 16px;
  font-family: var(--ly-heading);
  font-size: clamp(1.6rem, 3.6vw, 2.7rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 22ch;
}

.page-about .chapter__text p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 0.98rem;
  line-height: 1.82;
  color: #BFCFDF;
}

.page-about .chapter__text p:last-child {
  margin-bottom: 0;
}

.page-about .chapter__text a {
  color: var(--ly-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.42);
  transition: border-color 180ms var(--ly-ease);
}

.page-about .chapter__text a:hover,
.page-about .chapter__text a:focus-visible {
  border-bottom-color: var(--ly-cyan);
}

.page-about .about-inline-strong {
  color: var(--ly-paper);
  font-weight: 600;
}

/* ---------- figures ---------- */
.page-about .about-figure {
  margin: 28px 0 0;
}

.page-about .about-figure .ly-media {
  overflow: hidden;
  border: var(--about-rule);
  background: var(--ly-panel);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-figure .ly-media__caption {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--ly-mist);
}

/* ---------- team ---------- */
.page-about .team-list {
  margin-top: 26px;
  border-top: var(--about-rule);
}

.page-about .team-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 20px 0 22px;
  border-bottom: var(--about-rule);
}

.page-about .team-block__count {
  font-family: var(--ly-mono);
  font-size: clamp(1.7rem, 3.4vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ly-coral);
  letter-spacing: -0.02em;
}

.page-about .team-block__name {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ly-paper);
}

.page-about .team-block__desc {
  margin: 4px 0 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: #A7BACD;
}

/* ---------- generations ---------- */
.page-about .gen-list {
  margin: 26px 0 0;
  padding: 0 0 0 2px;
  list-style: none;
}

.page-about .gen-item {
  position: relative;
  padding: 0 0 22px 24px;
  border-left: 1px solid var(--ly-line);
}

.page-about .gen-item:last-child {
  padding-bottom: 4px;
}

.page-about .gen-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ly-cyan);
}

.page-about .gen-item--archive::before {
  background: var(--ly-sand);
}

.page-about .gen-item__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
}

.page-about .gen-item__index {
  font-family: var(--ly-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ly-mist);
}

.page-about .gen-item__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ly-paper);
}

.page-about .gen-item__text {
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 0.92rem;
  line-height: 1.78;
  color: #A7BACD;
}

.page-about .gen-item .ly-tag {
  font-family: var(--ly-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 2px;
}

/* ---------- use cases ---------- */
.page-about .use-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-top: 26px;
}

.page-about .use-item {
  padding-top: 14px;
  border-top: 2px solid var(--ly-coral);
}

.page-about .use-item:nth-child(2) {
  border-top-color: var(--ly-cyan);
}

.page-about .use-item:nth-child(3) {
  border-top-color: var(--ly-sand);
}

.page-about .use-item__title {
  margin: 0 0 8px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ly-paper);
}

.page-about .use-item__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: #A7BACD;
}

/* ---------- contact ---------- */
.page-about .contact-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 24px;
  background: var(--ly-line);
  border: var(--about-rule);
}

.page-about .contact-block__cell {
  background: var(--ly-panel);
  padding: 20px 18px;
}

.page-about .contact-block__label {
  margin: 0 0 8px;
  font-family: var(--ly-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ly-mist);
}

.page-about .contact-block__value {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--ly-paper);
  overflow-wrap: anywhere;
}

.page-about .contact-block__value a {
  color: var(--ly-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.42);
}

.page-about .contact-block__value a:hover,
.page-about .contact-block__value a:focus-visible {
  border-bottom-color: var(--ly-cyan);
}

.page-about .contact-block__note {
  margin: 8px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--ly-mist);
}

/* ---------- next step ---------- */
.page-about .about-next {
  padding-block: clamp(36px, 5.5vw, 66px);
}

.page-about .about-next__title {
  margin: 14px 0 22px;
  font-family: var(--ly-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.22;
  max-width: 20ch;
}

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

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

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

  .page-about .use-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .team-block {
    grid-template-columns: 84px minmax(0, 1fr);
    column-gap: 24px;
    align-items: baseline;
  }

  .page-about .team-block__desc {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-block: clamp(40px, 5vw, 72px) clamp(44px, 5vw, 78px);
  }

  .page-about .about-hero__lead {
    max-width: 56ch;
  }

  .page-about .chapter {
    grid-template-columns: minmax(140px, 196px) minmax(0, 1fr);
    gap: clamp(28px, 4.5vw, 76px);
  }

  .page-about .chapter__rail {
    position: sticky;
    top: calc(var(--ly-bar-h) + 28px);
    display: block;
  }

  .page-about .chapter__meta {
    display: block;
    margin-top: 10px;
  }

  .page-about .chapter__title {
    margin-top: -6px;
  }

  .page-about .about-figure {
    margin-top: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-jump__link,
  .page-about .chapter__text a,
  .page-about .contact-block__value a {
    transition: none;
  }
}
<<<END>>>