/* ================= page-about ================= */
.page-about {
  position: relative;
  overflow-x: clip;
  color: var(--text);
}

/* ---------- breadcrumbs ---------- */
.page-about .ab-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .ab-crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-about .ab-crumbs li + li::before {
  content: "/";
  color: var(--line);
}

.page-about .ab-crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

/* ---------- hero ---------- */
.page-about .ab-hero {
  position: relative;
  isolation: isolate;
  padding: 30px 0 54px;
  overflow: hidden;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(to right, rgba(38, 49, 63, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 49, 63, 0.55) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(circle at 72% 18%, #000 0%, transparent 72%);
  mask-image: radial-gradient(circle at 72% 18%, #000 0%, transparent 72%);
}

.page-about .ab-hero__shard {
  position: absolute;
  top: -96px;
  right: -30%;
  width: 96%;
  height: 400px;
  z-index: -1;
  transform: rotate(-7deg);
  border-radius: 2px;
  pointer-events: none;
  background:
    linear-gradient(150deg,
      rgba(53, 225, 214, 0.24) 0%,
      rgba(53, 225, 214, 0.07) 40%,
      rgba(123, 77, 255, 0.18) 68%,
      rgba(7, 10, 18, 0) 88%);
}

.page-about .ab-hero__inner {
  position: relative;
}

.page-about .ab-hero__eyebrow {
  margin: 0;
  color: var(--cyan);
}

.page-about .ab-hero h1 {
  margin: 16px 0 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 9.5vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .ab-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-about .ab-hero__stats li {
  background: var(--panel);
  padding: 16px 18px;
}

.page-about .ab-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-about .ab-stat__num em {
  font-style: normal;
  font-size: 0.58em;
  color: var(--muted);
}

.page-about .ab-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- shared section scaffolding ---------- */
.page-about .ab-section {
  position: relative;
  padding: 48px 0;
}

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

.page-about .ab-section__head {
  margin-bottom: 26px;
}

.page-about .ab-section__lead {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-figure {
  margin: 0 0 30px;
}

/* ---------- timeline ---------- */
.page-about .ab-track {
  margin: 0;
  padding: 0 0 0 26px;
  list-style: none;
  border-left: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-about .ab-node {
  position: relative;
}

.page-about .ab-node::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 22px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 225, 214, 0.14);
}

.page-about .ab-node--new::before {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 167, 51, 0.18);
}

.page-about .ab-node__box {
  border: 1px solid var(--line);
  border-left: 2px solid rgba(53, 225, 214, 0.45);
  background: var(--panel);
  border-radius: var(--radius);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-about .ab-node__box[open] {
  border-left-color: var(--cyan);
  background: var(--glass);
}

.page-about .ab-node__box:hover {
  border-left-color: var(--cyan);
}

.page-about .ab-node__head {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .ab-node__tick {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-about .ab-node__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .ab-node__head .tag {
  grid-column: 1 / -1;
  justify-self: start;
}

.page-about .ab-node__body {
  padding: 0 16px 16px;
}

.page-about .ab-node__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- capability steps ---------- */
.page-about .ab-steps__grid {
  display: grid;
  gap: 26px;
}

.page-about .ab-steps__chart {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--glass);
  border-radius: var(--radius);
}

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

.page-about .ab-steps__line {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: ab-draw 1.4s ease-out 0.15s forwards;
}

@keyframes ab-draw {
  to {
    stroke-dashoffset: 0;
  }
}

.page-about .ab-steps__axis {
  display: flex;
  justify-content: space-between;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-about .ab-step {
  position: relative;
  padding: 20px 18px 20px 58px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
}

.page-about .ab-step--live {
  border-color: rgba(255, 167, 51, 0.4);
  background: linear-gradient(180deg, rgba(255, 167, 51, 0.08) 0%, rgba(16, 22, 31, 0) 60%);
}

.page-about .ab-step__no {
  position: absolute;
  left: 16px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--violet);
}

.page-about .ab-step--live .ab-step__no {
  color: var(--amber);
}

.page-about .ab-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .ab-step p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- team ---------- */
.page-about .ab-team__grid {
  display: grid;
  gap: 26px;
}

.page-about .ab-team__figure {
  margin: 0;
}

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

.page-about .ab-team__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-team__row {
  display: grid;
  grid-template-columns: 6.6em 1fr 2.2em;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-team__row:last-child {
  border-bottom: 0;
}

.page-about .ab-team__name {
  font-size: 13px;
  color: var(--text);
}

.page-about .ab-team__track {
  display: block;
  height: 10px;
  background: var(--glass);
  border-radius: 999px;
  overflow: hidden;
}

.page-about .ab-team__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-about .ab-team__row:nth-child(1) .ab-team__fill { width: 21%; }
.page-about .ab-team__row:nth-child(2) .ab-team__fill { width: 32%; }
.page-about .ab-team__row:nth-child(3) .ab-team__fill { width: 24%; }
.page-about .ab-team__row:nth-child(4) .ab-team__fill { width: 24%; }

.page-about .ab-team__num {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  text-align: right;
  color: var(--cyan);
}

.page-about .ab-team__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-flow {
  margin-top: 30px;
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
  background: var(--glass);
  border-radius: var(--radius);
}

.page-about .ab-flow__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .ab-flow__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .ab-flow__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
}

.page-about .ab-flow__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--violet);
}

.page-about .ab-flow__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-flow__item strong {
  font-weight: 600;
  color: var(--text);
}

/* ---------- partners ---------- */
.page-about .ab-partners__grid {
  display: grid;
  gap: 18px;
}

.page-about .ab-partner {
  padding: 24px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
}

.page-about .ab-partner:first-child {
  border-top: 2px solid var(--cyan);
}

.page-about .ab-partner:last-child {
  border-top: 2px solid var(--violet);
}

.page-about .ab-partner__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 46px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-about .ab-partner:last-child .ab-partner__num {
  color: var(--violet);
}

.page-about .ab-partner__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .ab-partner__text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-partners__cta {
  margin: 24px 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-partners__cta a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, 0.45);
}

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

/* ---------- region ---------- */
.page-about .ab-region__grid {
  display: grid;
  gap: 26px;
}

.page-about .ab-region__text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-about .ab-region__facts {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-about .ab-region__facts li {
  display: grid;
  grid-template-columns: 5.5em 1fr;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .ab-region__k {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .ab-region__v {
  font-size: 14px;
  color: var(--text);
}

.page-about .ab-region__link {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .ab-region__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 225, 214, 0.45);
}

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

.page-about .ab-region__figure {
  margin: 0;
}

/* ---------- closing cta ---------- */
.page-about .ab-cta {
  position: relative;
  padding: 56px 0 64px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(53, 225, 214, 0.10) 0%, rgba(123, 77, 255, 0.14) 55%, rgba(7, 10, 18, 0) 92%);
}

.page-about .ab-cta__inner {
  position: relative;
}

.page-about .ab-cta__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 6.5vw, 44px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-about .ab-cta__text {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

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

/* ================= responsive ================= */
@media (min-width: 640px) {
  .page-about .ab-hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .ab-node__head {
    grid-template-columns: auto 1fr auto;
  }

  .page-about .ab-node__head .tag {
    grid-column: auto;
    justify-self: end;
  }

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

@media (min-width: 768px) {
  .page-about .ab-hero {
    padding: 44px 0 68px;
  }

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

  .page-about .ab-track {
    padding-left: 34px;
    gap: 18px;
  }

  .page-about .ab-node::before {
    left: -39px;
  }

  .page-about .ab-node__title {
    font-size: 20px;
  }

  .page-about .ab-node:nth-child(1) .ab-node__box { margin-right: 22%; }
  .page-about .ab-node:nth-child(2) .ab-node__box { margin-right: 17%; }
  .page-about .ab-node:nth-child(3) .ab-node__box { margin-right: 12%; }
  .page-about .ab-node:nth-child(4) .ab-node__box { margin-right: 7%; }
  .page-about .ab-node:nth-child(5) .ab-node__box { margin-right: 3%; }
  .page-about .ab-node:nth-child(6) .ab-node__box { margin-right: 0; }

  .page-about .ab-team__grid {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
    gap: 32px;
  }

  .page-about .ab-region__grid {
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 36px;
  }

  .page-about .ab-step {
    padding: 24px 24px 24px 68px;
  }

  .page-about .ab-step__no {
    left: 20px;
    top: 22px;
  }
}

@media (min-width: 1024px) {
  .page-about .ab-steps__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 32px;
    align-items: start;
  }

  .page-about .ab-chart-sticky {
    align-self: start;
  }

  .page-about .ab-steps__chart {
    padding: 24px;
  }

  .page-about .ab-flow {
    padding: 28px 26px;
  }

  .page-about .ab-flow__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 28px;
  }

  .page-about .ab-cta {
    padding: 72px 0 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-steps__line {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-about .ab-node__box {
    transition: none;
  }
}
<<<END>>>