.page-about {
  --about-rail: 190px;
  --about-gap: clamp(28px, 5vw, 76px);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(46px, 9vw, 108px));
  padding-bottom: clamp(38px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .3;
  -webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 20% 0%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -160px;
  right: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 77, 255, .3) 0%, rgba(0, 229, 255, .1) 45%, transparent 68%);
  pointer-events: none;
}

.page-about .about-hero > .container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  margin-top: clamp(22px, 4vw, 38px);
}

.page-about .about-hero__title-col h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-about .about-hero__lead {
  margin: 0;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  line-height: 1.8;
  font-weight: 600;
  color: var(--text);
}

.page-about .about-hero__text {
  margin: 14px 0 0;
  font-size: .98rem;
  line-height: 1.9;
  color: var(--muted);
  max-width: 46ch;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(30px, 5vw, 58px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stat {
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--line);
  min-width: 0;
}

.page-about .about-stat:first-child {
  border-left-color: var(--cyan);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-about .about-stat__label {
  display: block;
  margin-top: 4px;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-section {
  padding: clamp(44px, 7vw, 96px) 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-about .about-section__grid {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
}

.page-about .about-section__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-about .about-section__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: 2px;
  padding: 2px 7px;
  line-height: 1.5;
}

.page-about .about-section__label {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .12em;
  color: var(--text);
}

.page-about .about-section__hint {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--muted);
}

.page-about .about-section__body {
  min-width: 0;
}

.page-about .about-section__body--tight {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-about .about-section h2 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .about-section h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--text);
}

.page-about .about-section p {
  margin: 0 0 16px;
  font-size: .98rem;
  line-height: 1.9;
  color: var(--text);
  max-width: 68ch;
}

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

.page-about .about-points {
  display: grid;
  gap: 16px;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-point {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--line);
}

.page-about .about-point strong {
  display: block;
  margin-bottom: 4px;
  font-size: .96rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-about .about-point p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--ink-700);
}

.page-about .about-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-about .about-timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 1fr);
  gap: 0;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0 0 14px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-node {
  position: relative;
  padding: 30px 20px 4px 0;
  scroll-snap-align: start;
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}

.page-about .about-node:last-child::before {
  background: linear-gradient(90deg, var(--line) 0%, transparent 100%);
}

.page-about .about-node__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--ink-800);
  transition: box-shadow 160ms ease-out, background 160ms ease-out;
}

.page-about .about-node:hover .about-node__dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, .16);
}

.page-about .about-node__year {
  display: block;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--violet-soft);
  letter-spacing: .06em;
}

.page-about .about-node__title {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--text);
}

.page-about .about-node__text {
  margin: 0 0 12px;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 34ch;
}

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

.page-about .about-role {
  padding: 20px;
  background: var(--ink-700);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  transition: border-color 160ms ease-out, transform 160ms ease-out;
}

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

.page-about .about-role__count {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--orange);
  line-height: 1;
}

.page-about .about-role__name {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.page-about .about-role__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding-bottom: 3px;
  font-size: .94rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .45);
  transition: border-color 160ms ease-out, color 160ms ease-out;
}

.page-about .about-inline-link:hover,
.page-about .about-inline-link:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
}

.page-about .about-data-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-about .about-chart {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-chart__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-chart__label {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-about .about-chart__track {
  display: block;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--ink-600);
  overflow: hidden;
}

.page-about .about-chart__fill {
  display: block;
  width: var(--w, 0%);
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: filter 160ms ease-out;
}

.page-about .about-chart__row:hover .about-chart__fill {
  filter: brightness(1.25);
}

.page-about .about-chart__value {
  font-family: var(--font-mono);
  font-size: .92rem;
  color: var(--text);
}

.page-about .about-chart__hint {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--muted);
  transition: max-height 180ms ease-out, opacity 180ms ease-out;
}

.page-about .about-chart__row:hover .about-chart__hint,
.page-about .about-chart__row:focus-within .about-chart__hint {
  max-height: 8em;
  opacity: 1;
}

.page-about .about-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-kpi {
  padding: 16px;
  background: linear-gradient(150deg, var(--ink-700) 0%, var(--ink-600) 100%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.page-about .about-kpi__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  color: var(--cyan);
}

.page-about .about-kpi:nth-child(2) .about-kpi__num {
  color: var(--violet-soft);
}

.page-about .about-kpi:nth-child(3) .about-kpi__num {
  color: var(--orange);
}

.page-about .about-kpi:nth-child(4) .about-kpi__num {
  color: var(--amber);
}

.page-about .about-kpi__label {
  display: block;
  margin-top: 6px;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-reasons {
  display: grid;
  gap: 14px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-reason {
  position: relative;
  padding: 20px 20px 20px 22px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--violet);
  border-radius: var(--radius);
  background: rgba(22, 47, 71, .5);
  transition: border-left-color 160ms ease-out, background 160ms ease-out;
}

.page-about .about-reason:hover {
  border-left-color: var(--cyan);
  background: rgba(22, 47, 71, .82);
}

.page-about .about-reason__num {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-about .about-reason__title {
  margin: 8px 0 8px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.06rem;
  color: var(--text);
}

.page-about .about-reason__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-about .about-cta {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-about .about-cta__card {
  display: grid;
  gap: 24px;
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(0, 229, 255, .16) 0%, transparent 60%),
    linear-gradient(140deg, var(--ink-700) 0%, var(--ink-900) 100%);
}

.page-about .about-cta__text h2 {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .about-cta__text p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 56ch;
}

.page-about .about-cta__actions {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
}

.page-about .about-cta__actions .btn {
  display: block;
  width: 100%;
  text-align: center;
}

@media (min-width: 560px) {
  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .about-chart__row {
    grid-template-columns: 96px minmax(0, 1fr) 84px;
    align-items: center;
    gap: 12px;
  }

  .page-about .about-chart__hint {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-cta__card {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: center;
  }

  .page-about .about-data-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(32px, 5vw, 80px);
  }

  .page-about .about-section__grid {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: var(--about-gap);
  }

  .page-about .about-section__rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

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

  .page-about .about-reasons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .about-timeline {
    grid-auto-columns: minmax(250px, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node__dot,
  .page-about .about-role,
  .page-about .about-chart__fill,
  .page-about .about-chart__hint,
  .page-about .about-reason,
  .page-about .about-inline-link {
    transition: none;
  }

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

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