.page-about {
  --about-accent: var(--green);
  --about-accent-soft: var(--green-soft);
}

.page-about .about-hero {
  display: grid;
  gap: 32px;
  padding: 36px 0 44px;
}

.page-about .about-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green);
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  margin: 0 0 20px;
  font-size: clamp(28px, 7vw, 46px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-about .about-hero__intro {
  margin: 0 0 26px;
  max-width: 640px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

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

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 5.4vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-about .about-index {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.page-about .about-index ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--silver);
  text-decoration: none;
  transition: color var(--speed) var(--ease);
}

.page-about .about-index a:hover,
.page-about .about-index a[aria-current="true"] {
  color: var(--green);
}

.page-about .about-section {
  --about-accent: var(--green);
  --about-accent-soft: var(--green-soft);
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-section--amber {
  --about-accent: var(--amber);
  --about-accent-soft: var(--amber-soft);
}

.page-about .about-section--violet {
  --about-accent: var(--violet);
  --about-accent-soft: var(--violet-soft);
}

.page-about .about-section__head {
  max-width: 760px;
  margin-bottom: 34px;
}

.page-about .about-section__num {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--about-accent);
}

.page-about .about-section h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 4.6vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-about .about-section__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-about .about-cards {
  display: grid;
  gap: 16px;
}

.page-about .about-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-about .about-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-about .about-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
}

.page-about .about-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-note {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-about .about-note a {
  color: var(--about-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed) var(--ease);
}

.page-about .about-note a:hover {
  border-bottom-color: var(--about-accent);
}

.page-about .about-figure {
  margin: 0 0 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-about .about-timeline {
  display: grid;
  gap: 20px;
}

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

.page-about .about-rail a {
  display: block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--stone);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-about .about-rail a:hover {
  color: var(--amber);
  border-color: var(--amber);
  background: var(--amber-soft);
}

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

.page-about .about-node {
  position: relative;
  padding: 20px 20px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  scroll-margin-top: 110px;
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  border-radius: 2px;
  background: var(--amber);
}

.page-about .about-node:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-about .about-node__meta {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-about .about-node__year {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--amber);
}

.page-about .about-node__ver {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
  padding: 2px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
}

.page-about .about-node__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
}

.page-about .about-node__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-matrix {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.page-about .about-matrix__row {
  display: grid;
  gap: 6px;
  padding: 20px;
  border-top: 1px solid var(--line);
  transition: background var(--speed) var(--ease);
}

.page-about .about-matrix__row:first-child {
  border-top: 0;
}

.page-about .about-matrix__row:hover {
  background: var(--panel-2);
}

.page-about .about-matrix__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-about .about-matrix__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
}

.page-about .about-matrix__duty {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-matrix__out {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-about .about-creds {
  display: grid;
  gap: 16px;
}

.page-about .about-cred {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: transform var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

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

.page-about .about-cred__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-about .about-cred__value {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--fg);
}

.page-about .about-cred__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-about .about-eco {
  display: grid;
  gap: 22px;
}

.page-about .about-eco__item {
  padding-left: 18px;
  border-left: 2px solid var(--green);
}

.page-about .about-eco__title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}

.page-about .about-eco__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-pledge {
  padding: 4px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-2);
}

.page-about .about-pledge__row {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-about .about-pledge__row:first-child {
  border-top: 0;
}

.page-about .about-pledge__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
}

.page-about .about-pledge__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 34px;
}

@media (min-width: 720px) {
  .page-about .about-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

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

  .page-about .about-matrix__row {
    grid-template-columns: 76px minmax(0, 1fr) 220px;
    gap: 8px 22px;
    align-items: start;
    padding: 22px 24px;
  }

  .page-about .about-pledge {
    padding: 6px 26px;
  }

  .page-about .about-pledge__row {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 0 26px;
    align-items: baseline;
    padding: 22px 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 52px 0 60px;
  }

  .page-about .about-timeline {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 108px;
  }

  .page-about .about-rail ul {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-about .about-rail a {
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    padding: 7px 12px;
    font-size: 13px;
  }

  .page-about .about-rail a:hover {
    border-left-color: var(--amber);
    background: transparent;
  }

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

  .page-about .about-figure--matrix,
  .page-about .about-figure--badge {
    max-width: 720px;
  }
}
<<<END>>>