.page-about {
  --about-card-shadow: 8px 8px 0 rgba(2, 8, 7, 0.58);
  --about-body-width: 44em;
  background: var(--ink);
  color: var(--white);
  overflow-x: clip;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(30px, 5vw, 58px) 0 clamp(44px, 7vw, 96px);
  background:
    radial-gradient(circle at 82% 16%, rgba(47, 243, 200, 0.16), transparent 34%),
    linear-gradient(160deg, var(--ink-3), var(--ink) 62%);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 12% -12% auto -12%;
  height: 64%;
  z-index: -1;
  background: repeating-linear-gradient(102deg, rgba(47, 243, 200, 0.08) 0 1px, transparent 1px 36px);
  transform: skewY(-4deg);
  pointer-events: none;
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-about .about-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 9.4vw, 6.8rem);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--white);
  text-wrap: balance;
}

.page-about .about-hero__accent {
  display: inline;
  color: var(--cyan);
}

.page-about .about-hero__lead {
  max-width: 38em;
  margin: 0;
  color: var(--steel);
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-hero__side {
  border: 1px solid var(--line-strong);
  background: rgba(12, 43, 37, 0.74);
  padding: clamp(18px, 2.8vw, 28px);
  box-shadow: var(--shadow-paper);
}

.page-about .about-hero__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--steel);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 14px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-about .about-hero__stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-about .about-hero__num {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 600;
  line-height: 1;
}

.page-about .about-hero__label {
  color: var(--steel);
  font-size: 0.78rem;
  line-height: 1.5;
}

.page-about .about-layout {
  padding-block: clamp(28px, 4vw, 50px) clamp(44px, 6vw, 84px);
}

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

.page-about .chapter-rail {
  margin-bottom: 8px;
}

.page-about .chapter-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .chapter-rail__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  color: var(--steel);
  font-size: 0.84rem;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .chapter-rail__link:hover,
.page-about .chapter-rail__link:focus-visible {
  border-color: var(--line-strong);
  background: rgba(47, 243, 200, 0.06);
  color: var(--white);
}

.page-about .chapter-rail__num {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-about .chapter-rail__label {
  font-size: 0.84rem;
}

.page-about .about-chapter {
  padding-block: clamp(44px, 6vw, 78px);
  border-top: 1px solid var(--line);
}

.page-about .about-chapter:first-child {
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top: 0;
}

.page-about .about-chapter .section-head {
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-about .about-chapter .section-head__title {
  max-width: 22em;
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-about .about-chapter .section-head__index {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.page-about .about-chapter .section-head__note {
  max-width: 38em;
  margin-top: 10px;
  color: var(--steel);
  line-height: 1.8;
}

.page-about .manifesto {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  padding-left: clamp(16px, 3vw, 30px);
  border-left: 2px solid var(--cyan);
}

.page-about .manifesto__lead {
  max-width: 24em;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.28;
  color: var(--white);
}

.page-about .manifesto__body {
  max-width: var(--about-body-width);
  color: var(--steel);
}

.page-about .manifesto__body p {
  margin: 0 0 1em;
  line-height: 1.85;
}

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

.page-about .manifesto__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .timeline {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-about .timeline__figure {
  margin: 0;
}

.page-about .timeline__figure img {
  display: block;
  width: 100%;
  height: clamp(240px, 46vw, 520px);
  object-fit: cover;
}

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

.page-about .timeline__svg {
  display: block;
  width: 100%;
  height: 52px;
  margin-bottom: 14px;
  color: var(--cyan);
  opacity: 0.8;
}

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

.page-about .timeline__item {
  border: 1px solid var(--line);
  background: rgba(12, 43, 37, 0.62);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .timeline__item[open] {
  border-color: var(--line-strong);
  background: var(--ink-2);
}

.page-about .timeline__summary {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 4px 12px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .timeline__num {
  grid-row: span 2;
  padding: 5px 4px;
  border: 1px solid var(--line-strong);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-align: center;
}

.page-about .timeline__title {
  color: var(--white);
  font-size: clamp(1rem, 1.7vw, 1.14rem);
  font-weight: 600;
  line-height: 1.45;
}

.page-about .timeline__meta {
  color: var(--steel);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.5;
}

.page-about .timeline__body {
  padding: 0 16px 16px;
}

.page-about .timeline__body p {
  margin: 0;
  color: var(--steel);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-about .about-team__figure,
.page-about .process__visual {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

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

.page-about .team-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(7, 28, 24, 0.58);
}

.page-about .team-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.page-about .team-table th,
.page-about .team-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.page-about .team-table th {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.page-about .team-table tbody tr {
  transition: background 0.18s var(--ease);
}

.page-about .team-table tbody tr:hover {
  background: rgba(47, 243, 200, 0.08);
}

.page-about .team-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-about .team-table td:first-child {
  color: var(--white);
  font-weight: 600;
  white-space: nowrap;
}

.page-about .team-table__num {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1;
}

.page-about .team-table__meta {
  color: var(--steel);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-about .process__steps {
  display: grid;
  gap: 12px;
}

.page-about .process__step {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-about .process__step::before {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--cyan);
}

.page-about .process__num {
  color: var(--orange-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-about .process__title {
  margin: 6px 0 8px;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.2;
}

.page-about .process__text {
  margin: 0;
  color: var(--steel);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-about .coverage {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-about .coverage__copy {
  max-width: var(--about-body-width);
  color: var(--steel);
}

.page-about .coverage__copy p {
  margin: 0 0 1em;
  line-height: 1.85;
}

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

.page-about .coverage__aside {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line);
  background-color: rgba(12, 43, 37, 0.82);
  background-image: radial-gradient(rgba(47, 243, 200, 0.18) 1px, transparent 1px);
  background-size: 16px 16px;
}

.page-about .coverage__stats {
  margin-bottom: 20px;
}

.page-about .eco-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .eco-tag {
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  background: rgba(47, 243, 200, 0.06);
  color: var(--white);
  font-size: 0.82rem;
  line-height: 1.4;
}

.page-about .eco-tag--lg {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

.page-about .principles__grid {
  display: grid;
  gap: 14px;
}

.page-about .principle {
  padding: clamp(18px, 3vw, 24px);
  border-top: 4px solid var(--cyan);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--about-card-shadow);
}

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

.page-about .principle:nth-child(3) {
  border-top-color: var(--orange);
}

.page-about .principle__num {
  color: rgba(7, 28, 24, 0.5);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.page-about .principle__title {
  margin: 8px 0 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.16;
}

.page-about .principle__text {
  margin: 0;
  color: rgba(7, 28, 24, 0.82);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-about .next__grid {
  display: grid;
  gap: 12px;
}

.page-about .next-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--white);
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-about .next-link:hover,
.page-about .next-link:focus-visible {
  border-color: var(--cyan);
  background: var(--ink-3);
  transform: translateY(-3px);
}

.page-about .next-link__num {
  color: var(--orange-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-about .next-link__title {
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.16;
}

.page-about .next-link__text {
  color: var(--steel);
  font-size: 0.92rem;
  line-height: 1.75;
}

@media (min-width: 768px) {
  .page-about .process__steps {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.75fr);
    align-items: end;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-about .about-hero__side {
    margin-bottom: 6px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 58px);
  }

  .page-about .chapter-rail {
    position: sticky;
    top: 24px;
    align-self: start;
    margin: 0;
  }

  .page-about .chapter-rail__list {
    flex-direction: column;
    gap: 6px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-about .chapter-rail__link {
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    padding: 9px 8px;
    white-space: normal;
  }

  .page-about .chapter-rail__num {
    font-size: 0.76rem;
  }

  .page-about .chapter-rail__label {
    font-size: 0.72rem;
    line-height: 1.35;
  }

  .page-about .timeline {
    grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.6fr);
    align-items: start;
    gap: clamp(28px, 4vw, 44px);
  }

  .page-about .timeline__body {
    padding-left: 82px;
  }

  .page-about .coverage {
    grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
    align-items: start;
  }

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

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

  .page-about .principle:nth-child(2) {
    transform: translateY(10px);
  }

  .page-about .principle:nth-child(3) {
    transform: translateY(-4px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .chapter-rail__link,
  .page-about .timeline__item,
  .page-about .team-table tbody tr,
  .page-about .next-link {
    transition: none;
  }

  .page-about .next-link:hover,
  .page-about .next-link:focus-visible {
    transform: none;
  }
}
<<<END>>>