.page-about {
  --ab-line: rgba(56, 82, 74, 0.65);
  --ab-body: rgba(247, 243, 232, 0.78);
}

.page-about .ab-hero {
  padding: clamp(16px, 3vw, 34px) 0 clamp(24px, 4vw, 46px);
}

.page-about .ab-hero-frame {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(20px, 4vw, 48px);
  border: 1px solid var(--structure);
  border-radius: var(--r-md);
  background:
    linear-gradient(158deg, rgba(56, 82, 74, 0.34), rgba(11, 31, 26, 0.94) 58%),
    var(--ink);
  overflow: hidden;
}

.page-about .ab-hero-frame::before {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 54px;
  height: 54px;
  border-top: 1px solid var(--lime);
  border-right: 1px solid var(--lime);
  opacity: 0.5;
  pointer-events: none;
}

.page-about .ab-hero-frame::after {
  content: "";
  position: absolute;
  left: 14px;
  bottom: 14px;
  width: 54px;
  height: 54px;
  border-bottom: 1px solid var(--structure);
  border-left: 1px solid var(--structure);
  pointer-events: none;
}

.page-about .ab-hero-main h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(29px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
}

.page-about .ab-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: var(--ab-body);
}

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

.page-about .ab-hero-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--structure);
  border: 1px solid var(--structure);
  border-radius: var(--r-sm);
  overflow: hidden;
  align-self: start;
}

.page-about .ab-board-cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 14px;
  background: var(--panel);
}

.page-about .ab-board-cell .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.8vw, 29px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  letter-spacing: -0.01em;
}

.page-about .ab-board-cell .stat-num.is-key {
  color: var(--lime);
}

.page-about .ab-board-cell .stat-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-about .ab-index {
  border-top: 1px solid var(--ab-line);
  border-bottom: 1px solid var(--ab-line);
  padding: 10px 0;
  margin-bottom: clamp(24px, 4vw, 50px);
}

.page-about .ab-index ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-index a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 5px 0;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

.page-about .ab-index .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--structure);
  transition: color 0.22s var(--ease);
}

.page-about .ab-index a:hover .num,
.page-about .ab-index a:focus-visible .num {
  color: var(--lime);
}

.page-about .ab-block {
  padding: clamp(28px, 4.6vw, 64px) 0;
}

.page-about .ab-section-head {
  max-width: 68ch;
}

.page-about .ab-block h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text);
}

.page-about .ab-sub {
  margin: 14px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.75;
  color: var(--ab-body);
}

.page-about .ab-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
}

.page-about .ab-split-text p {
  margin: 14px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--ab-body);
}

.page-about .ab-rows {
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--ab-line);
}

.page-about .ab-row-key {
  position: relative;
  padding-left: 17px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-row-key::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-about .ab-row-val {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ab-body);
}

.page-about .ab-figure {
  margin: clamp(22px, 3.6vw, 40px) 0 0;
  border: 1px solid var(--ab-line);
  border-radius: var(--r-md);
  background: var(--panel);
  overflow: hidden;
}

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

.page-about .ab-figure--offset {
  max-width: 100%;
}

.page-about .ab-figure--wide,
.page-about .ab-figure--narrow {
  max-width: 100%;
}

.page-about .ab-cap {
  padding: 10px 14px 12px;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-timeline {
  margin-top: clamp(24px, 3.6vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-about .ab-mile {
  position: relative;
  border-top: 2px solid var(--structure);
  padding: 24px 16px 18px 0;
}

.page-about .ab-mile::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
}

.page-about .ab-mile > summary {
  display: block;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 26px;
  outline-offset: 4px;
}

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

.page-about .ab-mile-toggle {
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-about .ab-mile-toggle::before {
  content: "+";
}

.page-about .ab-mile[open] .ab-mile-toggle::before {
  content: "\2212";
}

.page-about .ab-mile-idx {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-about .ab-mile h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-mile-brief {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ab-body);
}

.page-about .ab-mile-more {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--structure);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ab-body);
}

.page-about .ab-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-about .ab-step {
  border-left: 1px solid var(--ab-line);
  padding: 4px 0 4px 16px;
}

.page-about .ab-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-step h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ab-body);
}

.page-about .ab-team-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-about .ab-team-stat {
  padding: 18px;
  border: 1px solid var(--ab-line);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-about .ab-team-stat .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.page-about .ab-team-stat .stat-num.is-key {
  color: var(--lime);
}

.page-about .ab-team-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .ab-team-stat p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ab-body);
}

.page-about .ab-org {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-about .ab-org text {
  font-family: var(--font-body);
}

.page-about .ab-org-box {
  fill: var(--panel);
  stroke: var(--structure);
  stroke-width: 1.5;
}

.page-about .ab-org-box--key {
  fill: rgba(198, 255, 74, 0.08);
  stroke: var(--lime);
}

.page-about .ab-org-line {
  fill: none;
  stroke: var(--structure);
  stroke-width: 1.5;
}

.page-about .ab-org-title {
  fill: var(--text);
  font-size: 16px;
  font-weight: 700;
}

.page-about .ab-org-sub {
  fill: var(--muted);
  font-size: 12px;
}

.page-about .ab-team-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-about .ab-team-item {
  padding: 16px;
  border: 1px solid var(--ab-line);
  border-radius: var(--r-md);
  background: rgba(17, 20, 18, 0.72);
}

.page-about .ab-team-item h3 {
  margin: 12px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-team-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ab-body);
}

.page-about .ab-eco {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
}

.page-about .ab-eco-text p {
  margin: 14px 0 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--ab-body);
}

.page-about .ab-eco-figures {
  border-top: 1px solid var(--ab-line);
}

.page-about .ab-eco-fig {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--ab-line);
}

.page-about .ab-eco-fig .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--lime);
}

.page-about .ab-eco-fig h3 {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-about .ab-eco-fig p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ab-body);
}

.page-about .ab-principles-band {
  border-radius: var(--r-md);
  padding: clamp(22px, 3.6vw, 46px);
}

.page-about .ab-principles-band h2 {
  color: inherit;
}

.page-about .ab-prin-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: inherit;
  opacity: 0.82;
}

.page-about .ab-principles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-about .ab-principle {
  padding-left: 16px;
  border-left: 2px solid rgba(36, 28, 22, 0.24);
}

.page-about .ab-principle h3 {
  margin: 0 0 7px;
  font-size: 16px;
  font-weight: 800;
  color: inherit;
  letter-spacing: -0.01em;
}

.page-about .ab-principle p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: inherit;
  opacity: 0.85;
}

.page-about .ab-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid var(--structure);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-about .ab-next h2 {
  color: var(--text);
}

.page-about .ab-next p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ab-body);
}

.page-about .ab-next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .ab-next-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--ab-line);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-about .ab-next-links a::after {
  content: "\2192";
  font-family: var(--font-mono);
  color: var(--muted);
  transition: transform 0.22s var(--ease), color 0.22s var(--ease);
}

.page-about .ab-next-links a:hover,
.page-about .ab-next-links a:focus-visible {
  color: var(--lime);
}

.page-about .ab-next-links a:hover::after,
.page-about .ab-next-links a:focus-visible::after {
  color: var(--lime);
  transform: translateX(4px);
}

@media (min-width: 640px) {
  .page-about .ab-row {
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

  .page-about .ab-principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 26px;
  }
}

@media (min-width: 860px) {
  .page-about .ab-hero-frame {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .ab-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-about .ab-figure--offset {
    max-width: 82%;
    margin-left: auto;
  }

  .page-about .ab-figure--narrow {
    max-width: 70%;
    margin-left: auto;
  }

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

  .page-about .ab-mile {
    padding: 26px 22px 14px 0;
  }

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

  .page-about .ab-eco {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-about .ab-next {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (min-width: 720px) {
  .page-about .ab-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 1080px) {
  .page-about .ab-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 20px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-index a,
  .page-about .ab-index .num,
  .page-about .ab-next-links a,
  .page-about .ab-next-links a::after {
    transition: none;
  }
}