.page-about {
  --about-index-w: 236px;
  --about-card-bg: rgba(10, 30, 24, 0.55);
  --about-panel-bg: linear-gradient(180deg, rgba(22, 53, 43, 0.65), rgba(16, 20, 17, 0.78));
  background: var(--ink);
  color: var(--bone);
}

.page-about .about-hero {
  padding: 32px 0 44px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(200, 255, 61, 0.12), transparent 58%),
    radial-gradient(80% 70% at 0% 100%, rgba(184, 107, 75, 0.12), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, rgba(22, 53, 43, 0.45) 100%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 28px;
  align-items: end;
}

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

.page-about .breadcrumb {
  margin-bottom: 18px;
}

.page-about .eyebrow {
  color: var(--lime);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.page-about h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 6vw, 3.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--bone);
  text-wrap: balance;
}

.page-about .about-hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 18px;
  background: var(--lime);
}

.page-about .about-hero__intro {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--bone);
}

.page-about .about-hero__intro--muted {
  color: var(--rock);
  font-size: 0.9375rem;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-fact {
  padding-left: 11px;
  border-left: 2px solid var(--moss);
}

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1.2;
  color: var(--lime);
}

.page-about .about-fact__label {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
}

.page-about .about-go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--glass);
  font-size: 0.9375rem;
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .about-go:hover,
.page-about .about-go:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-about .about-hero__figure {
  margin: 0;
  border: 1px solid var(--line-strong);
}

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

.page-about .about-body {
  display: grid;
  gap: 26px;
  padding: 36px 0 56px;
}

.page-about .about-body > * {
  min-width: 0;
}

.page-about .about-index {
  padding: 14px 14px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  border-radius: var(--radius);
  background: var(--surface-glass);
  backdrop-filter: blur(6px);
}

.page-about .about-index__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--rock);
}

.page-about .about-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px 8px 10px;
  white-space: nowrap;
  color: var(--bone);
  font-size: 0.875rem;
  text-decoration: none;
  border-left: 2px solid transparent;
  background: rgba(10, 30, 24, 0.4);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .about-index__link .mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--rock);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--lime-lift);
  border-left-color: var(--lime);
  background: var(--lime-soft);
}

.page-about .about-index__link:hover .mono,
.page-about .about-index__link:focus-visible .mono {
  color: var(--lime);
}

.page-about .board {
  position: relative;
  margin-bottom: 22px;
  padding: 22px 18px 26px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  border-radius: var(--radius);
  background: var(--about-panel-bg);
  overflow-wrap: break-word;
  transition: border-color var(--t-mid) var(--ease), box-shadow var(--t-mid) var(--ease);
}

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

.page-about .board--terra {
  border-left-color: var(--terra);
}

.page-about .board--amber {
  border-left-color: var(--amber);
}

.page-about .board:hover {
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.34);
}

.page-about .board__head {
  margin-bottom: 4px;
}

.page-about .board__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .board h2 {
  margin: 8px 0 10px;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 3.6vw, 1.7rem);
  line-height: 1.32;
  color: var(--bone);
}

.page-about .board__lead {
  margin: 0;
  max-width: 38em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-about .board__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-about .board__note a {
  color: var(--glass);
  text-decoration: none;
  border-bottom: 1px solid var(--moss);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .board__note a:hover,
.page-about .board__note a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-about .board__figure {
  margin: 20px 0 22px;
  border: 1px solid var(--line);
}

.page-about .tl {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .tl__item {
  position: relative;
  padding: 22px 14px 14px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--moss);
  background: var(--about-card-bg);
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 14px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--moss);
  box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.1);
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-about .tl__item:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  border-top-color: var(--lime);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.36);
}

.page-about .tl__item:hover::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, 0.22);
}

.page-about .tl__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-about .tl__title {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--bone);
}

.page-about .tl__text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-about .steps {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: about-step;
}

.page-about .steps__item {
  counter-increment: about-step;
  position: relative;
  padding: 13px 14px 13px 48px;
  border: 1px solid var(--line);
  background: rgba(22, 53, 43, 0.42);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-about .steps__item::before {
  content: counter(about-step, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--amber);
}

.page-about .steps__item:hover {
  background: rgba(22, 53, 43, 0.68);
  border-color: var(--line-strong);
}

.page-about .steps__item h3 {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  color: var(--bone);
}

.page-about .steps__item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--rock);
}

.page-about .table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--about-card-bg);
}

.page-about .team-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-about .team-table th,
.page-about .team-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-about .team-table thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--rock);
  background: rgba(168, 195, 184, 0.07);
}

.page-about .team-table tbody th {
  color: var(--bone);
  font-weight: 600;
  white-space: nowrap;
}

.page-about .team-table tbody td {
  color: var(--rock);
  line-height: 1.72;
}

.page-about .team-table td.mono {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  color: var(--lime);
  white-space: nowrap;
}

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

.page-about .team-table tbody tr:hover {
  background: var(--lime-soft);
}

.page-about .city-list__label {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--terra);
}

.page-about .city-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .city-list li {
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--glass);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(10, 30, 24, 0.4);
}

.page-about .coop-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .coop-item {
  padding: 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--terra);
  background: var(--about-card-bg);
}

.page-about .coop-item h3 {
  margin: 0 0 6px;
  font-size: 0.9375rem;
  color: var(--bone);
}

.page-about .coop-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-about .principles {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-about .principle {
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--about-card-bg);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .principle[open] {
  border-color: var(--line-strong);
  border-left-color: var(--lime);
  background: rgba(200, 255, 61, 0.05);
}

.page-about .principle summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--bone);
  list-style: none;
}

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

.page-about .principle summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

.page-about .principle__mark {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
}

.page-about .principle summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--lime);
}

.page-about .principle[open] summary::after {
  content: "\2212";
}

.page-about .principle__body {
  padding: 0 14px 16px;
}

.page-about .principle__body p {
  margin: 0 0 10px;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--rock);
}

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

.page-about .principle__scene {
  display: block;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-about .milestones {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .milestone {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--about-card-bg);
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .milestone:hover {
  border-color: var(--line-strong);
  background: rgba(22, 53, 43, 0.55);
}

.page-about .milestone__num {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  line-height: 1.2;
  color: var(--lime);
  white-space: nowrap;
}

.page-about .milestone__text {
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--rock);
}

.page-about .milestone__text strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-head);
  font-size: 0.9375rem;
  color: var(--bone);
}

.page-about .about-next {
  padding: 44px 0 56px;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22, 53, 43, 0.55), var(--coal));
}

.page-about .about-next h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 3.6vw, 1.6rem);
  color: var(--bone);
}

.page-about .about-next__list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next__card a {
  display: block;
  padding: 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--moss);
  background: rgba(10, 30, 24, 0.6);
  color: var(--bone);
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-about .about-next__card a:hover,
.page-about .about-next__card a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  border-top-color: var(--lime);
  background: rgba(22, 53, 43, 0.72);
}

.page-about .about-next__card b {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--bone);
}

.page-about .about-next__card span {
  display: block;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--rock);
}

@media (min-width: 640px) {
  .page-about .about-hero {
    padding: 44px 0 56px;
  }

  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

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

  .page-about .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

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

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

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: center;
  }

  .page-about .about-hero h1 {
    max-width: 15em;
  }

  .page-about .about-body {
    grid-template-columns: var(--about-index-w) minmax(0, 1fr);
    gap: 32px;
    padding: 48px 0 64px;
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 24px;
    padding: 16px;
  }

  .page-about .about-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-about .about-index__link {
    margin-bottom: 4px;
    padding: 9px 8px 9px 10px;
    background: transparent;
    white-space: normal;
  }

  .page-about .board {
    padding: 30px 32px 34px;
    margin-bottom: 28px;
  }

  .page-about .about-next {
    padding: 56px 0 72px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-boards > .board:nth-child(even) {
    margin-left: 28px;
  }

  .page-about .tl {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 12px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .tl__item,
  .page-about .about-next__card a {
    transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  }

  .page-about .tl__item:hover,
  .page-about .about-next__card a:hover,
  .page-about .about-next__card a:focus-visible {
    transform: none;
  }
}