.page-about {
  --about-gap: clamp(20px, 3.5vw, 34px);
  --about-pad: clamp(18px, 3vw, 32px);
  --about-tick: #3A2F55;
}

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

.page-about a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), color .3s var(--ease);
}

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

.page-about .breadcrumbs {
  padding-top: 18px;
  padding-bottom: 6px;
}

.page-about .breadcrumbs a {
  color: var(--muted);
}

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

/* ---------- hero ---------- */
.about-hero {
  padding: 10px 0 clamp(34px, 6vw, 64px);
}

.about-hero__frame {
  position: relative;
  border: 1px solid var(--line);
  padding: clamp(20px, 3.5vw, 40px);
  background:
    linear-gradient(135deg, rgba(109, 61, 245, .16) 0%, rgba(7, 6, 11, 0) 46%),
    repeating-linear-gradient(90deg, rgba(58, 47, 85, .55) 0 1px, transparent 1px 44px);
  background-color: var(--ink-0);
  overflow: hidden;
}

.about-hero__frame::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% 42%;
  height: 120%;
  background: linear-gradient(160deg, rgba(109, 61, 245, .28), rgba(55, 245, 224, .06) 62%, transparent 78%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.about-hero__corner {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--cyan);
  opacity: .7;
  pointer-events: none;
}

.about-hero__corner--tl {
  top: 8px;
  left: 8px;
  border-right: 0;
  border-bottom: 0;
}

.about-hero__corner--br {
  right: 8px;
  bottom: 8px;
  border-left: 0;
  border-top: 0;
}

.about-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.about-title {
  margin: 12px 0 16px;
  font-size: clamp(34px, 8vw, 76px);
  line-height: 1.06;
  letter-spacing: -.03em;
  font-weight: 300;
  font-style: italic;
  color: var(--paper);
}

.about-hero__lede {
  max-width: 46ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

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

.about-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.about-hero__visual img {
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.05);
}

.about-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 12px;
  background: rgba(7, 6, 11, .82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.about-stats {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.about-stats__item {
  padding: 14px 10px 14px 14px;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-stats__item:nth-child(odd) {
  border-left: 0;
}

.about-stats__num {
  display: block;
  font-size: clamp(20px, 3.6vw, 30px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
}

.about-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

/* ---------- .page-about / toc ---------- */
.about-body {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.about-toc {
  position: relative;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.about-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
}

.about-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--paper);
  border-bottom: 1px solid transparent;
}

.about-toc__list a .mono {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--violet-soft);
}

.about-toc__list a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(55, 245, 224, .4);
}

.about-toc__card {
  margin-top: 22px;
  padding: 16px;
  background: var(--ink-2);
  border-left: 2px solid var(--violet);
}

.about-toc__card-title {
  margin: 0 0 6px;
  font-size: 13px;
  color: var(--paper);
  letter-spacing: .04em;
}

.about-toc__card-text {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.about-toc__card-link {
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- sections ---------- */
.about-flow {
  display: grid;
  gap: clamp(42px, 7vw, 82px);
  min-width: 0;
}

.about-section {
  scroll-margin-top: 96px;
  padding-top: clamp(12px, 2vw, 20px);
  border-top: 1px solid var(--line);
}

.about-h2 {
  margin: 10px 0 18px;
  font-size: clamp(23px, 4vw, 38px);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.about-p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.about-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.about-quote {
  margin: 24px 0 0;
  padding: 16px 20px;
  background: linear-gradient(100deg, rgba(109, 61, 245, .22), rgba(7, 6, 11, 0) 80%);
  border-left: 2px solid var(--cyan);
}

.about-quote p {
  margin: 0;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.7;
  color: var(--paper);
  font-style: italic;
}

/* ---------- method ---------- */
.method-block {
  display: grid;
  gap: var(--about-gap);
  margin-top: 22px;
}

.method-block__figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.method-block__figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.9) contrast(1.08);
}

.method-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.method-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 14px 14px 0;
  border-bottom: 1px dashed var(--line);
}

.method-list li:first-child {
  border-top: 1px dashed var(--line);
}

.method-list__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
  padding-top: 3px;
}

.method-list__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.method-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- team ---------- */
.team-cards {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.team-card {
  position: relative;
  padding: var(--about-pad);
  background: var(--ink-1);
  border: 1px solid var(--line);
}

.team-card__num {
  display: block;
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--violet-soft);
}

.team-card__title {
  margin: 10px 0 8px;
  font-size: 16px;
  letter-spacing: .04em;
  color: var(--paper);
}

.team-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.team-card--violet {
  background: linear-gradient(160deg, rgba(109, 61, 245, .26), rgba(20, 16, 32, .9) 70%);
}

.team-card--violet .team-card__num {
  color: var(--cyan);
}

.team-card--cyan {
  border-color: rgba(55, 245, 224, .32);
}

.team-card--cyan .team-card__num {
  color: var(--cyan);
}

/* ---------- milestones ---------- */
.milestones {
  position: relative;
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 22px;
}

.milestones::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 8px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--violet), rgba(55, 245, 224, .5) 55%, transparent);
}

.milestone {
  position: relative;
  padding-bottom: clamp(22px, 3vw, 32px);
}

.milestone::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(55, 245, 224, .12);
}

.milestone__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.milestone__year {
  font-size: clamp(19px, 3vw, 24px);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: .02em;
}

.milestone__tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--paper);
  background: var(--ink-2);
  border: 1px solid var(--line);
  box-shadow: 3px 3px 0 rgba(109, 61, 245, .45);
}

.milestone__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--paper);
}

.milestone__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 58ch;
}

/* ---------- ecosystem ---------- */
.eco-grid {
  display: grid;
  gap: var(--about-gap);
  margin-top: 22px;
}

.eco-grid__figure {
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
}

.eco-grid__figure img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.eco-grid__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.eco-net {
  width: 100%;
  height: auto;
  background: radial-gradient(circle at 50% 50%, rgba(109, 61, 245, .2), transparent 68%);
}

.eco-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.eco-facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}

.eco-facts li .mono {
  min-width: 32px;
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

.eco-trust {
  margin-top: 24px;
  padding: var(--about-pad);
  background: var(--ink-2);
  border-top: 2px solid var(--violet);
}

.eco-trust p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper);
}

.eco-trust p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

/* ---------- next ---------- */
.about-section--next {
  border-top-color: var(--violet);
}

.next-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.next-card {
  display: block;
  padding: var(--about-pad);
  background: var(--ink-1);
  border: 1px solid var(--line);
  color: var(--paper);
  transition: transform .35s var(--ease), border-color .35s var(--ease), background-color .35s var(--ease);
}

.next-card:hover {
  transform: translateY(-3px);
  border-color: var(--violet-soft);
  background: var(--ink-2);
  border-bottom-color: var(--violet-soft);
}

.next-card__idx {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--violet-soft);
}

.next-card__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.next-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.next-card__go {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- reveal ---------- */
.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .next-card {
    transition: none;
  }

  .page-about .next-card:hover {
    transform: none;
  }
}

/* ---------- responsive ---------- */
@media (min-width: 560px) {
  .about-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-stats__item:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .about-stats__item:nth-child(3n + 1) {
    border-left: 0;
  }

  .team-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .about-stats {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .about-stats__item,
  .about-stats__item:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .about-stats__item:first-child {
    border-left: 0;
  }

  .method-block {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .team-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .eco-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

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

  .milestone {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 20px;
  }

  .milestone__meta {
    flex-direction: row;
    align-items: flex-start;
    margin-bottom: 0;
  }
}

@media (min-width: 1000px) {
  .about-body {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
  }

  .about-toc {
    position: sticky;
    top: 88px;
  }

  .about-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .about-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  }
}
<<<PAGE_CSS_END>>>