.page-about {
  background: var(--ink);
  color: var(--white);
}

.page-about .about-crumb {
  padding-top: clamp(1rem, 3vw, 1.5rem);
  padding-bottom: .25rem;
}

.page-about .gx-breadcrumb,
.page-about .gx-breadcrumb a {
  color: var(--haze);
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.25rem) 0 clamp(2.25rem, 7vw, 4.5rem);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 84% -12%, rgba(108, 74, 182, .42), transparent 62%),
    radial-gradient(80% 60% at 6% 0%, rgba(62, 198, 198, .14), transparent 70%),
    linear-gradient(180deg, #0d1f42 0%, var(--ink) 72%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .6;
  background-image:
    radial-gradient(1.6px 1.6px at 14% 18%, rgba(242, 246, 255, .75), transparent 55%),
    radial-gradient(1.2px 1.2px at 38% 8%, rgba(245, 185, 76, .6), transparent 55%),
    radial-gradient(1.4px 1.4px at 66% 26%, rgba(242, 246, 255, .55), transparent 55%),
    radial-gradient(1.1px 1.1px at 88% 14%, rgba(62, 198, 198, .7), transparent 55%),
    radial-gradient(1.3px 1.3px at 24% 70%, rgba(242, 246, 255, .38), transparent 55%),
    radial-gradient(1.1px 1.1px at 78% 82%, rgba(242, 246, 255, .32), transparent 55%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -24%;
  top: -42%;
  width: min(80vw, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(108, 74, 182, .45);
  box-shadow: inset 0 0 90px rgba(108, 74, 182, .22);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-about .about-hero__title {
  margin: .85rem 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(2.05rem, 7.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -.015em;
  max-width: 20ch;
}

.page-about .about-hero__lead {
  margin: 1.15rem 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(242, 246, 255, .82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.page-about .about-hero__side {
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(20, 38, 75, .92), rgba(11, 27, 58, .78));
  clip-path: var(--clip-corner);
  padding: 1.15rem 1.15rem 1.35rem;
}

.page-about .about-hero__side-title {
  margin: 0 0 .75rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-about .about-index a {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-height: 44px;
  padding: .35rem .25rem;
  border-bottom: 1px dashed var(--line-soft);
  color: var(--white);
  text-decoration: none;
  font-size: .95rem;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-about .about-index li:last-child a {
  border-bottom: 0;
}

.page-about .about-index__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
}

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

/* ---------- shared bits ---------- */
.page-about .about-h2 {
  margin: .6rem 0 0;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.55rem, 4.4vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-about .about-h2--dark {
  color: var(--deep);
}

.page-about .about-p {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(242, 246, 255, .8);
  max-width: 62ch;
}

.page-about .about-head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .about-head__note {
  margin: .85rem 0 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--haze);
  max-width: 58ch;
}

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

.page-about .about-fig .gx-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  clip-path: var(--clip-corner);
  background: var(--ink-2);
}

.page-about .about-fig .gx-media__caption {
  margin-top: .65rem;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--haze);
}

/* ---------- origin ---------- */
.page-about .about-origin__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-about .about-origin__marks {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.5rem;
}

/* ---------- milestones ---------- */
.page-about .about-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.5rem;
  position: relative;
  display: grid;
  gap: .85rem;
}

.page-about .about-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .6rem;
  bottom: .6rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--violet) 55%, rgba(245, 185, 76, .5));
  opacity: .7;
}

.page-about .about-track__item {
  position: relative;
}

.page-about .about-node {
  border: 1px solid var(--line-soft);
  background: linear-gradient(150deg, rgba(20, 38, 75, .75), rgba(11, 27, 58, .55));
  clip-path: var(--clip-corner-r);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-about .about-node[open] {
  border-color: rgba(245, 185, 76, .5);
  background: linear-gradient(150deg, rgba(30, 48, 92, .88), rgba(11, 27, 58, .7));
}

.page-about .about-node__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem .8rem;
  min-height: 44px;
  padding: .95rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-node__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-about .about-node__dot {
  position: absolute;
  left: calc(-1.5rem + 1px);
  top: 1.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 0 3px rgba(11, 27, 58, 1);
}

.page-about .about-node[open] .about-node__dot {
  background: var(--gold);
  border-color: var(--gold);
}

.page-about .about-node__phase {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
  padding: .2rem .45rem;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-about .about-node__title {
  flex: 1 1 12rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
}

.page-about .about-node__more {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--haze);
  border: 1px solid var(--line-soft);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-about .about-node__more::after {
  content: "+";
}

.page-about .about-node[open] .about-node__more {
  color: var(--gold);
  border-color: rgba(245, 185, 76, .5);
}

.page-about .about-node[open] .about-node__more::after {
  content: "−";
}

.page-about .about-node__body {
  padding: 0 1rem 1.1rem;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-node__body p {
  margin: .9rem 0 0;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(242, 246, 255, .78);
  max-width: 66ch;
}

/* ---------- network bento ---------- */
.page-about .about-bento {
  display: grid;
  gap: .9rem;
  grid-template-columns: 1fr;
}

.page-about .about-stat {
  padding: 1.15rem 1.1rem 1.3rem;
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(108, 74, 182, .28), transparent 70%),
    linear-gradient(160deg, var(--ink-2), var(--ink-3));
  clip-path: var(--clip-corner);
}

.page-about .about-stat__num {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}

.page-about .about-stat__plus {
  font-size: .55em;
  margin-left: .08em;
  color: var(--cyan);
}

.page-about .about-stat__label {
  margin: .6rem 0 0;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--white);
}

.page-about .about-stat__note {
  margin: .4rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--haze);
}

.page-about .about-stat__num--dark {
  color: var(--deep);
}

.page-about .about-stat__num--dark .about-stat__plus {
  color: var(--violet);
}

.page-about .about-stat__label--dark {
  color: var(--deep);
}

.page-about .about-stat__note--dark {
  color: #4a5068;
}

.page-about .about-cov {
  padding: 1.15rem 1.1rem 1.3rem;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(20, 38, 75, .9), rgba(11, 27, 58, .6));
  clip-path: var(--clip-corner-r);
}

.page-about .about-cov__title {
  margin: 0 0 .85rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-cov__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-about .about-cov__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .25rem .75rem;
  padding: .7rem .8rem;
  background: rgba(11, 27, 58, .62);
  border-left: 2px solid var(--cyan);
}

.page-about .about-cov__zone {
  font-size: .92rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-cov__time {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--gold);
  align-self: center;
}

.page-about .about-cov__foot {
  margin: 1rem 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(242, 246, 255, .76);
}

/* ---------- quality ---------- */
.page-about .about-quality__grid {
  display: grid;
  gap: clamp(1.25rem, 4vw, 2.25rem);
}

.page-about .about-dims {
  display: grid;
  gap: .75rem;
  grid-template-columns: 1fr;
}

.page-about .about-dim {
  position: relative;
  padding: 1.1rem 1.1rem 1.2rem;
  border: 1px solid var(--line-soft);
  background: linear-gradient(155deg, rgba(20, 38, 75, .82), rgba(11, 27, 58, .55));
  clip-path: var(--clip-corner);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-about .about-dim::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(90% 70% at 100% 0%, rgba(245, 185, 76, .18), transparent 65%);
  opacity: 0;
  transition: opacity .24s var(--ease);
}

.page-about .about-dim:hover,
.page-about .about-dim:focus-visible {
  border-color: rgba(245, 185, 76, .55);
  transform: translateY(-2px);
  outline: none;
}

.page-about .about-dim:hover::after,
.page-about .about-dim:focus-visible::after {
  opacity: 1;
}

.page-about .about-dim__no {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-about .about-dim__title {
  margin: .5rem 0 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--white);
}

.page-about .about-dim__text {
  margin: .55rem 0 0;
  font-size: .9rem;
  line-height: 1.78;
  color: rgba(242, 246, 255, .78);
}

.page-about .about-dim__flag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-top: .85rem;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--green);
  opacity: .55;
  transition: opacity .2s var(--ease), color .2s var(--ease);
}

.page-about .about-dim__flag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-about .about-dim:hover .about-dim__flag,
.page-about .about-dim:focus-visible .about-dim__flag {
  opacity: 1;
  color: var(--gold);
}

.page-about .about-quality__side {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-about .about-actions-paper {
  padding: 1.15rem 1.1rem 1.25rem;
  background: var(--paper);
  color: var(--deep);
  clip-path: var(--clip-corner-r);
}

.page-about .about-actions-paper__title {
  margin: 0 0 .7rem;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-about .about-actions-paper__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.page-about .about-actions-paper__list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .9rem;
  line-height: 1.72;
  color: #2a2f45;
}

.page-about .about-actions-paper__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* ---------- ecosystem ---------- */
.page-about .about-eco {
  padding: clamp(1.25rem, 4.5vw, 2.5rem);
  clip-path: var(--clip-corner);
}

.page-about .about-eco__lead {
  margin: 1rem 0 0;
  font-size: .98rem;
  line-height: 1.85;
  color: #2a2f45;
  max-width: 68ch;
}

.page-about .about-eco__stats {
  display: grid;
  gap: .85rem;
  grid-template-columns: 1fr;
  margin-top: clamp(1.25rem, 4vw, 2rem);
}

.page-about .about-eco__cell {
  padding: 1rem 1rem 1.05rem;
  background: var(--paper-2);
  border-left: 3px solid var(--violet);
}

.page-about .about-eco__cell .about-stat__num {
  font-size: clamp(1.9rem, 6.5vw, 2.6rem);
}

.page-about .about-eco__foot {
  margin: 1.15rem 0 0;
  font-size: .92rem;
  line-height: 1.85;
  color: #2a2f45;
  max-width: 72ch;
}

.page-about .about-eco .gx-link {
  color: var(--violet);
  font-weight: 700;
}

/* ---------- desk ---------- */
.page-about .about-desk__panel {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.25rem, 4.5vw, 2.75rem);
  border: 1px solid var(--line);
  background:
    radial-gradient(100% 90% at 0% 0%, rgba(108, 74, 182, .3), transparent 60%),
    linear-gradient(165deg, var(--ink-2), var(--ink-3));
  clip-path: var(--clip-corner-r);
}

.page-about .about-desk__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-about .about-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .65rem;
}

.page-about .about-path {
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  padding: .85rem .9rem;
  border: 1px solid var(--line-soft);
  background: rgba(11, 27, 58, .6);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-about .about-path:hover {
  border-color: rgba(62, 198, 198, .55);
  background: rgba(20, 38, 75, .85);
}

.page-about .about-path__no {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  padding-top: .15rem;
}

.page-about .about-path__title {
  margin: 0;
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .about-path__text {
  margin: .35rem 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-about .about-desk__foot {
  margin: 1.25rem 0 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--haze);
}

.page-about .about-desk__foot .gx-link {
  color: var(--gold);
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-about .about-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-about .about-bento__a,
  .page-about .about-bento__b,
  .page-about .about-bento__c {
    grid-column: span 2;
  }

  .page-about .about-bento__d,
  .page-about .about-bento__e {
    grid-column: span 3;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(260px, .75fr);
    align-items: start;
  }

  .page-about .about-hero__side {
    margin-top: .5rem;
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-about .about-quality__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .85fr);
  }

  .page-about .about-desk__panel {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-about .about-track {
    padding-left: 2rem;
  }

  .page-about .about-node__dot {
    left: calc(-2rem + 1px);
  }

  .page-about .about-node__sum {
    padding: 1.1rem 1.35rem;
  }

  .page-about .about-node__body {
    padding: 0 1.35rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-dim,
  .page-about .about-path,
  .page-about .about-index a,
  .page-about .about-node__more {
    transition: none;
  }

  .page-about .about-dim:hover,
  .page-about .about-dim:focus-visible {
    transform: none;
  }
}