.page-about .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 34px);
  font-size: 13px;
  color: var(--c-mist);
}

.page-about .breadcrumb__link {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-about .breadcrumb__current {
  color: var(--c-ice);
}

.page-about .breadcrumb__sep {
  color: var(--line-mid);
}

.page-about .about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 56px);
  padding-block: clamp(34px, 5vw, 64px) clamp(40px, 6vw, 80px);
}

.page-about .about-intro__kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--c-cyan);
}

.page-about .about-intro h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.2vw, 74px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-ice);
}

.page-about .about-intro h1 em {
  display: block;
  font-style: normal;
  background: linear-gradient(120deg, var(--c-violet) 6%, var(--c-cyan) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-about .about-intro__lede {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--c-mist);
}

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

.page-about .intro-graphic {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  padding: clamp(16px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  overflow: hidden;
  background:
    radial-gradient(120% 110% at 82% 0%, rgba(139, 92, 246, 0.24), rgba(7, 11, 26, 0) 62%),
    linear-gradient(158deg, rgba(14, 21, 48, 0.92), rgba(7, 11, 26, 0.62));
}

.page-about .intro-graphic__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .intro-graphic__note {
  position: absolute;
  right: 14px;
  bottom: 14px;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: rgba(154, 167, 199, 0.72);
}

.page-about .history-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-about .timeline-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--c-mist);
}

.page-about .timeline-rail__list {
  list-style: none;
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.page-about .timeline-rail__link {
  position: relative;
  display: grid;
  gap: 2px;
  padding: 9px 0 9px 18px;
  border-left: 1px solid var(--line-soft);
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-about .timeline-rail__link::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-navy);
  border: 1px solid var(--line-mid);
  transform: translateY(-50%);
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-about .timeline-rail__link:hover,
.page-about .timeline-rail__link:focus-visible {
  color: var(--c-ice);
  border-left-color: var(--c-cyan);
  outline: none;
}

.page-about .timeline-rail__link:hover::before,
.page-about .timeline-rail__link:focus-visible::before {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-about .timeline-rail__year {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: var(--c-aurora);
}

.page-about .timeline-rail__label {
  font-size: 13px;
  line-height: 1.4;
}

.page-about .era {
  position: relative;
  padding-block: clamp(38px, 6vw, 82px);
  border-top: 1px solid var(--line-soft);
}

.page-about .era:first-child {
  border-top: 0;
  padding-top: clamp(10px, 2vw, 20px);
}

.page-about .era__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2.4vw, 26px);
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-about .era__year {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.4vw, 68px);
  font-weight: 700;
  line-height: 0.94;
  letter-spacing: -0.04em;
  background: linear-gradient(158deg, var(--c-violet), var(--c-cyan) 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.page-about .era__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--c-orange);
}

.page-about .era h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--c-ice);
}

.page-about .era__note {
  display: none;
}

.page-about .era__body--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-about .era__prose p {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.88;
  color: rgba(244, 247, 255, 0.82);
}

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

.page-about .era__media {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--c-navy);
  box-shadow: inset 0 0 46px rgba(139, 92, 246, 0.14);
}

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

.page-about .plain-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
}

.page-about .plain-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-about .plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 1px;
  background: var(--c-cyan);
}

.page-about .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--line-soft);
  overflow: hidden;
}

.page-about .stat-cell {
  padding: 16px 14px;
  background: rgba(14, 21, 48, 0.82);
}

.page-about .stat-cell__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-ice);
}

.page-about .stat-cell__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-about .checkpoints {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .checkpoint {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(142deg, rgba(139, 92, 246, 0.12), rgba(14, 21, 48, 0.55) 62%);
  box-shadow: inset 0 0 34px rgba(34, 211, 238, 0.06);
}

.page-about .checkpoint__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-about .checkpoint__title {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-ice);
}

.page-about .checkpoint__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .partner {
  padding: 16px 14px;
  border-left: 1px solid var(--line-cyan);
  background: linear-gradient(100deg, rgba(34, 211, 238, 0.08), rgba(7, 11, 26, 0));
}

.page-about .partner__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-orange);
}

.page-about .partner__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

.page-about .milestones {
  list-style: none;
  display: grid;
  gap: 0;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0 0 0 clamp(14px, 2.4vw, 24px);
  border-left: 1px solid var(--line-mid);
}

.page-about .milestone {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .milestone::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(14px, 2.4vw, 24px) - 4.5px);
  top: 26px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-space);
  border: 1px solid var(--c-cyan);
}

.page-about .milestone summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding: 18px 26px 18px 0;
  cursor: pointer;
  list-style: none;
  color: var(--c-ice);
  transition: color 0.2s var(--ease);
}

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

.page-about .milestone summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-about .milestone details[open] summary::after {
  content: "−";
}

.page-about .milestone summary:hover,
.page-about .milestone summary:focus-visible {
  color: var(--c-cyan);
  outline: none;
}

.page-about .milestone summary:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}

.page-about .milestone__year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--c-aurora);
}

.page-about .milestone__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.4;
}

.page-about .milestone__body {
  padding: 0 26px 20px 0;
}

.page-about .milestone__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-about .next-step__prose p {
  max-width: 66ch;
}

.page-about .next-step__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

@media (min-width: 720px) {
  .page-about .stat-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .checkpoints {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
  }
}

@media (min-width: 900px) {
  .page-about .about-intro {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
  }

  .page-about .era__body--split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .era--team .era__media {
    margin-top: 6px;
  }

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

@media (min-width: 1080px) {
  .page-about .history-layout {
    grid-template-columns: 188px minmax(0, 1fr);
    align-items: start;
  }

  .page-about .timeline-rail {
    position: sticky;
    top: calc(var(--bar-h) + 30px);
  }

  .page-about .era__body--split {
    grid-template-columns: minmax(0, 1.34fr) minmax(0, 1fr);
  }
}

@media (min-width: 1240px) {
  .page-about .era__note {
    display: block;
    margin-left: auto;
    padding-top: 6px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.34em;
    color: rgba(154, 167, 199, 0.55);
  }
}
<<<END>>>