.page-about {
  --ab-1: var(--ink-900);
  --ab-2: #060A18;
  --ab-3: #050813;
  --ab-4: var(--ink-950);
  --ab-5: #03050C;
  --ab-card: rgba(16, 26, 60, .62);
  --ab-card-2: rgba(16, 26, 60, .38);
  --ab-edge: rgba(28, 42, 85, .95);
  --ab-lime-soft: rgba(198, 255, 61, .12);
  --ab-lime-line: rgba(198, 255, 61, .55);

  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-cjk);
  overflow-x: clip;
}

.page-about .prose p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

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

.page-about .numeric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- Hero ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(96px, 15vw, 172px) 0 clamp(52px, 8vw, 96px);
  background:
    radial-gradient(120% 88% at 84% 6%, rgba(198, 255, 61, .16), transparent 56%),
    radial-gradient(96% 72% at 4% 2%, rgba(20, 224, 200, .10), transparent 62%),
    var(--ab-1);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero .breadcrumb {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-about .about-kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--lime);
  text-transform: none;
}

.page-about .about-hero-title {
  margin: 0 0 20px;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 17em;
}

.page-about .about-hero-lede {
  margin: 0 0 28px;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

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

.page-about .about-hero-side {
  display: grid;
  gap: 4px;
  padding: 22px 24px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--ink-800), var(--ink-950));
  box-shadow: var(--shadow-raise);
}

.page-about .about-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(28, 42, 85, .8);
}

.page-about .about-hero-stat:last-child {
  border-bottom: 0;
}

.page-about .about-hero-val {
  font-size: clamp(28px, 5vw, 38px);
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
}

.page-about .about-hero-val em {
  font-style: normal;
  font-size: .42em;
  margin-left: 4px;
  color: var(--muted);
}

.page-about .about-hero-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- Stage shell ---------- */

.page-about .about-stage {
  position: relative;
  padding: clamp(56px, 9vw, 108px) 0;
}

.page-about .about-stage--origin { background: var(--ab-1); }
.page-about .about-stage--trail  { background: var(--ab-2); }
.page-about .about-stage--team   { background: var(--ab-3); }
.page-about .about-stage--capa   { background: var(--ab-4); }
.page-about .about-stage--reach  { background: var(--ab-4); }
.page-about .about-stage--honor  { background: var(--ab-3); }
.page-about .about-stage--next   { background: var(--ab-5); }

.page-about .eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-about .eyebrow-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--lime);
  padding: 3px 9px;
  border: 1px solid var(--ab-lime-line);
  border-radius: var(--pill);
}

.page-about .section-title {
  margin: 0 0 16px;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-about .section-lede {
  margin: 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- Split layout ---------- */

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-about .about-split-main .prose {
  max-width: 44em;
}

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

.page-about .about-side-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px;
  border: 1px solid var(--ab-edge);
  border-radius: var(--r-md);
  background: var(--ab-card);
}

.page-about .about-side-card--alt {
  background: var(--ab-card-2);
  border-color: rgba(20, 224, 200, .34);
}

.page-about .about-side-num {
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
}

.page-about .about-side-card--alt .about-side-num {
  color: var(--trail);
}

.page-about .about-side-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- Figures ---------- */

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

.page-about .about-figure--banner {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-about .about-figure--wide {
  margin-top: clamp(30px, 5vw, 52px);
}

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

.page-about .about-figure--banner .media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--ab-edge);
  -webkit-mask-image: linear-gradient(180deg, #000 62%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 62%, transparent 100%);
}

.page-about .about-figure--wide .media-frame,
.page-about .about-figure--tall .media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--ab-edge);
}

.page-about .media-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ghost);
}

/* ---------- Timeline ---------- */

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: clamp(30px, 5vw, 50px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: calc(clamp(18px, 3.4vw, 34px) + 31px);
  top: 30px;
  bottom: 30px;
  width: 1px;
  background: linear-gradient(180deg, var(--lime), var(--trail) 46%, rgba(28, 42, 85, .9));
  opacity: .5;
}

.page-about .about-node {
  position: relative;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 6px 16px;
  padding: clamp(22px, 4vw, 36px) clamp(18px, 3.4vw, 34px);
  border: 1px solid var(--ab-edge);
  border-radius: var(--r-lg);
  background: var(--ab-card);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-about .about-node:hover {
  transform: translateY(-4px);
  border-color: var(--ab-lime-line);
  box-shadow: var(--shadow-raise);
}

.page-about .about-node:focus-within {
  border-color: var(--ab-lime-line);
}

.page-about .about-node--open {
  background: linear-gradient(150deg, rgba(198, 255, 61, .09), var(--ab-card) 58%);
}

.page-about .about-node-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 2px;
}

.page-about .about-node-code {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .about-node-dot {
  display: block;
  flex: none;
}

.page-about .about-node-dot circle {
  fill: var(--lime);
  stroke: none;
}

.page-about .about-node-dot.is-open circle {
  fill: var(--ab-2);
  stroke: var(--lime);
  stroke-width: 2.4;
}

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

.page-about .about-node-stage {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--trail);
}

.page-about .about-node-title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.28;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-node-text {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-node-side {
  grid-column: 2 / -1;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid rgba(28, 42, 85, .8);
  margin-top: 14px;
}

.page-about .about-metric-val {
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1;
  font-weight: 700;
  color: var(--lime);
}

.page-about .about-metric-val em {
  font-style: normal;
  font-size: .5em;
  margin-left: 2px;
  color: var(--muted);
}

.page-about .about-metric-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--ghost);
}

/* ---------- Roles ---------- */

.page-about .about-roles {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .about-role {
  padding: 18px 20px;
  border-left: 2px solid var(--trail);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--ab-card-2);
}

.page-about .about-role-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-role-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- Capability ---------- */

.page-about .about-capa-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-about .about-capa-list {
  display: grid;
  gap: 0;
  margin-top: 28px;
  border-top: 1px solid var(--ab-edge);
}

.page-about .about-capa-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--ab-edge);
}

.page-about .about-capa-title {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .about-capa-title::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--lime);
  vertical-align: middle;
}

.page-about .about-capa-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-chart-wrap {
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding: 22px 20px 16px;
  border: 1px solid var(--ab-edge);
  border-radius: var(--r-lg);
  background: rgba(7, 11, 30, .6);
}

.page-about .about-chart {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-chart .gridline {
  stroke: rgba(28, 42, 85, .95);
  stroke-width: 1;
}

.page-about .about-chart .area-team {
  fill: rgba(198, 255, 61, .10);
}

.page-about .about-chart .line-team {
  fill: none;
  stroke: var(--lime);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-about .about-chart .dot-team {
  fill: var(--ab-2);
  stroke: var(--lime);
  stroke-width: 2.6;
}

.page-about .about-chart .axis-label {
  fill: var(--ghost);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}

/* ---------- Reach ---------- */

.page-about .about-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-about .about-pillar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 24px 22px;
  border: 1px solid var(--ab-edge);
  border-radius: var(--r-lg);
  background: var(--ab-card);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.page-about .about-pillar:hover {
  transform: translateY(-4px);
  border-color: var(--ab-lime-line);
}

.page-about .about-pillar-num {
  font-size: clamp(32px, 5.4vw, 46px);
  line-height: .95;
  font-weight: 700;
  color: var(--lime);
}

.page-about .about-pillar-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

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

.page-about .about-reach-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-about .about-reach-block {
  padding: 22px 24px;
  border-radius: var(--r-md);
  border: 1px dashed rgba(20, 224, 200, .38);
  background: rgba(20, 224, 200, .05);
}

.page-about .about-reach-kicker {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--trail);
}

.page-about .about-reach-value {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-reach-value .numeric {
  color: var(--lime);
  font-size: 1.25em;
  margin-right: 6px;
}

.page-about .about-reach-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- Honor ---------- */

.page-about .about-honor-item {
  padding: 18px 20px;
  border: 1px solid var(--ab-edge);
  border-radius: var(--r-md);
  background: var(--ab-card);
}

.page-about .about-honor-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: var(--pill);
  background: var(--ab-lime-soft);
  color: var(--lime);
  font-size: 11.5px;
  letter-spacing: .12em;
  font-family: var(--font-mono);
}

.page-about .about-honor-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- Next ---------- */

.page-about .about-next-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-about .about-next-item {
  padding: 24px 24px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--ab-edge);
  background: linear-gradient(152deg, rgba(20, 224, 200, .08), rgba(7, 11, 30, .7) 62%);
}

.page-about .about-next-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-next-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-next-band {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--ab-edge);
}

.page-about .about-next-band-label {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: .26em;
  color: var(--ghost);
}

.page-about .about-next-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-next-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--ab-edge);
  background: var(--ab-card);
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.page-about .about-next-link:hover,
.page-about .about-next-link:focus-visible {
  transform: translateY(-4px);
  border-color: var(--ab-lime-line);
  background: rgba(198, 255, 61, .07);
}

.page-about .about-next-link--alt:hover,
.page-about .about-next-link--alt:focus-visible {
  border-color: rgba(20, 224, 200, .7);
  background: rgba(20, 224, 200, .08);
}

.page-about .about-next-arrow {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 16px;
}

.page-about .about-next-link--alt .about-next-arrow {
  color: var(--trail);
}

/* ---------- Focus visibility ---------- */

.page-about a:focus-visible,
.page-about .about-next-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- Responsive ---------- */

@media (min-width: 760px) {
  .page-about .about-reach-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(230px, 300px);
  }

  .page-about .about-capa-grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  }

  .page-about .about-node {
    grid-template-columns: 72px minmax(0, 1fr) 180px;
    gap: 0 28px;
    align-items: start;
  }

  .page-about .about-node-side {
    grid-column: 3 / 4;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-top: 0;
    padding-top: 2px;
    padding-left: 20px;
    border-top: 0;
    border-left: 1px solid rgba(28, 42, 85, .9);
  }

  .page-about .about-timeline::before {
    left: calc(clamp(18px, 3.4vw, 34px) + 35px);
  }

  .page-about .about-chart-wrap {
    padding: 28px 30px 20px;
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero-title {
    max-width: 14em;
  }

  .page-about .about-node-title {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node,
  .page-about .about-pillar,
  .page-about .about-next-link {
    transition: none;
  }

  .page-about .about-node:hover,
  .page-about .about-pillar:hover,
  .page-about .about-next-link:hover,
  .page-about .about-next-link:focus-visible {
    transform: none;
  }
}