.page-about {
  --ab-gap: clamp(24px, 5vw, 56px);
}

.page-about .crumbs {
  margin: 22px 0 4px;
}

.page-about .ab-hero {
  position: relative;
  padding: 22px 0 42px;
  border-bottom: 1px solid var(--board);
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 68px;
  height: 1px;
  background: var(--cyan);
}

.page-about .ab-hero__kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .ab-hero__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  flex: none;
}

.page-about .ab-hero__title {
  font-size: clamp(28px, 7.4vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 20px;
  max-width: 20ch;
}

.page-about .ab-hero__title em {
  font-style: normal;
  display: block;
  color: var(--cyan);
}

.page-about .ab-hero__lede {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 44ch;
  margin: 0 0 30px;
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--board);
  border: 1px solid var(--board);
  margin: 0;
}

.page-about .ab-hero__stats > div {
  background: var(--ink);
  padding: 16px 14px;
}

.page-about .ab-hero__stats dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin: 0 0 8px;
}

.page-about .ab-hero__stats dd {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.page-about .ab-hero__stats dd b {
  font-family: var(--mono);
  font-size: clamp(28px, 6.4vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-about .ab-hero__stats dd span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.page-about .ab-sec {
  padding: 52px 0;
  border-bottom: 1px solid var(--board);
}

.page-about .ab-sec__head {
  position: relative;
  padding: 0 0 16px 44px;
  margin: 0 0 30px;
  border-bottom: 1px solid var(--board);
}

.page-about .ab-sec__no {
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  writing-mode: vertical-rl;
}

.page-about .ab-sec__title {
  margin: 0 0 6px;
  font-size: clamp(22px, 4.6vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .ab-sec__sub {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-about .ab-map {
  display: grid;
  gap: 26px;
}

.page-about .ab-map__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--edge);
  background: var(--ink-2);
  overflow: hidden;
}

.page-about .ab-map__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 240, 200, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 240, 200, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-about .ab-map__figure img {
  display: block;
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}

.page-about .ab-map__figure figcaption {
  position: relative;
  z-index: 1;
  padding: 10px 14px;
  border-top: 1px solid var(--board);
  background: var(--ink-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .ab-map__lead {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text);
  max-width: 46ch;
}

.page-about .ab-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--board);
}

.page-about .ab-map__list li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--board);
}

.page-about .ab-map__k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-about .ab-map__list li > span:last-child {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .ab-team__figure {
  margin: 0 0 26px;
  border: 1px solid var(--edge);
  background: var(--ink-2);
  overflow: hidden;
}

.page-about .ab-team__figure img {
  display: block;
  width: 100%;
  height: auto;
}

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

.page-about .ab-role {
  border: 1px solid var(--edge);
  background: var(--ink-2);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

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

.page-about .ab-role summary {
  list-style: none;
  cursor: pointer;
  padding: 16px;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 4px 12px;
  align-items: baseline;
}

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

.page-about .ab-role__no {
  grid-row: 1 / 3;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-about .ab-role__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-role__desc {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .ab-role details > p {
  margin: 0;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--board);
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .ab-timeline__banner {
  margin: 0 0 28px;
  border: 1px solid var(--edge);
  background: var(--ink-2);
  overflow: hidden;
}

.page-about .ab-timeline__banner img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .ab-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--board) 70%, transparent 100%);
}

.page-about .ab-timeline__item {
  position: relative;
  padding: 0 0 28px 30px;
}

.page-about .ab-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .ab-timeline__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--cyan);
  background: var(--ink);
}

.page-about .ab-timeline__dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--cyan);
}

.page-about .ab-timeline__item:last-child .ab-timeline__dot {
  border-color: var(--orange);
}

.page-about .ab-timeline__item:last-child .ab-timeline__dot::after {
  background: var(--orange);
}

.page-about .ab-timeline__stage {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-about .ab-timeline__head {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.page-about .ab-timeline__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 58ch;
}

.page-about .ab-principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--board);
  border: 1px solid var(--board);
}

.page-about .ab-principles > li {
  background: var(--ink-2);
  padding: 22px 18px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-about .ab-principles__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-about .ab-principles > li h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-principles > li p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .ab-cta {
  padding: 48px 0 64px;
}

.page-about .ab-cta__title {
  margin: 0 0 10px;
  font-size: clamp(20px, 4.2vw, 28px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .ab-cta__lede {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40ch;
}

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

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

  .page-about .ab-team__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ab-principles {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ab-sec {
    padding: 64px 0;
  }
}

@media (min-width: 1000px) {
  .page-about .ab-hero {
    padding: 34px 0 54px;
  }

  .page-about .ab-hero__title {
    max-width: 24ch;
  }

  .page-about .ab-sec {
    padding: 80px 0;
  }

  .page-about .ab-map {
    grid-template-columns: 1.05fr 1fr;
    gap: 44px;
    align-items: start;
  }

  .page-about .ab-map__lead {
    margin-top: 4px;
  }

  .page-about .ab-team__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-about .ab-principles {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .ab-principles > li {
    padding: 26px 22px;
  }
}