.page-about {
  --about-line: rgba(34, 245, 230, .14);
  --about-card: rgba(13, 19, 40, .74);
  display: block;
  background: var(--void);
  color: var(--mist);
}

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 40px 0 50px;
  border-bottom: 1px solid var(--about-line);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(138, 92, 255, .24), transparent 58%),
    radial-gradient(90% 80% at 100% 0%, rgba(34, 245, 230, .16), transparent 55%),
    linear-gradient(180deg, #0A0F22 0%, var(--void) 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 245, 230, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 245, 230, .07) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 76%);
}

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

.page-about .about-hero .breadcrumb {
  margin-bottom: 26px;
}

.page-about .about-hero__eyebrow {
  margin: 0 0 12px;
  color: var(--neon);
  letter-spacing: .28em;
}

.page-about .about-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(1.9rem, 7.4vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-about .about-hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(.94rem, 2.6vw, 1.05rem);
  line-height: 1.85;
  color: var(--steel);
}

.page-about .about-index {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 8px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--about-line);
  border-radius: var(--r-pill);
  background: rgba(13, 19, 40, .58);
  color: var(--steel);
  font-size: .82rem;
  text-decoration: none;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--mist);
  border-color: rgba(34, 245, 230, .5);
  background: rgba(34, 245, 230, .09);
}

.page-about .about-index__num {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--neon);
}

.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 30px 0 40px;
}

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

.page-about .about-toc {
  min-width: 0;
  padding: 0 0 4px;
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-toc__title {
  display: none;
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .24em;
  color: var(--glitch);
}

.page-about .about-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-toc__list::-webkit-scrollbar {
  display: none;
}

.page-about .about-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  color: var(--steel);
  font-size: .8rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s ease, background .25s ease, border-color .25s ease;
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--mist);
  border-color: rgba(34, 245, 230, .35);
  background: rgba(34, 245, 230, .1);
}

.page-about .about-toc__n {
  font-family: var(--f-mono);
  font-size: .68rem;
  color: var(--deep);
}

.page-about .about-chapter {
  padding: 30px 0 34px;
  border-top: 1px solid var(--about-line);
  scroll-margin-top: calc(var(--topbar-h) + 18px);
}

.page-about .about-chapter:first-child {
  padding-top: 4px;
  border-top: 0;
}

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-about .about-chapter__num {
  flex: none;
  font-family: var(--f-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--neon);
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(1.35rem, 4.6vw, 1.95rem);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-about .about-prose {
  display: grid;
  gap: 14px;
  max-width: 62ch;
}

.page-about .about-prose p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.9;
  color: var(--steel);
}

.page-about .about-prose strong {
  color: var(--mist);
  font-weight: 600;
}

.page-about .about-split {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

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

.page-about .about-figure {
  margin: 24px 0 0;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stats__item {
  padding: 14px 15px;
  border: 1px solid var(--about-line);
  border-radius: var(--r-sm);
  background: linear-gradient(155deg, rgba(34, 245, 230, .09), rgba(13, 19, 40, .62) 68%);
}

.page-about .about-stats__value {
  display: block;
  font-family: var(--f-mono);
  font-size: 1.26rem;
  line-height: 1.25;
  letter-spacing: .02em;
  color: var(--neon);
}

.page-about .about-stats__label {
  display: block;
  margin-top: 6px;
  font-size: .76rem;
  line-height: 1.5;
  color: var(--steel);
}

.page-about .about-steps {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: aboutstep;
}

.page-about .about-steps__item {
  counter-increment: aboutstep;
  position: relative;
  padding: 16px 0 16px 52px;
  border-top: 1px solid rgba(169, 184, 216, .12);
}

.page-about .about-steps__item:first-child {
  padding-top: 6px;
  border-top: 0;
}

.page-about .about-steps__item::before {
  content: counter(aboutstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(34, 245, 230, .34);
  border-radius: var(--r-pill);
  background: rgba(34, 245, 230, .07);
  font-family: var(--f-mono);
  font-size: .72rem;
  color: var(--neon);
}

.page-about .about-steps__item:first-child::before {
  top: 6px;
}

.page-about .about-steps__title {
  margin: 0 0 6px;
  font-size: .97rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-about .about-steps__text {
  margin: 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(34, 245, 230, .55), rgba(138, 92, 255, .45), rgba(34, 245, 230, .08));
}

.page-about .about-timeline__item {
  position: relative;
  padding: 16px 18px;
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  background: var(--about-card);
  transition: border-color .3s ease, background .3s ease, transform .3s ease;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 22px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--neon);
  border-radius: 50%;
  background: var(--void);
  transition: background .3s ease, box-shadow .3s ease;
}

.page-about .about-timeline__item:hover,
.page-about .about-timeline__item:focus-within {
  border-color: rgba(138, 92, 255, .55);
  background: rgba(21, 28, 58, .92);
  transform: translateX(4px);
}

.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-within::before {
  background: var(--neon);
  box-shadow: 0 0 14px rgba(34, 245, 230, .8);
}

.page-about .about-timeline__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-about .about-timeline__ver {
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-about .about-timeline__stage {
  padding: 2px 9px;
  border: 1px solid rgba(138, 92, 255, .42);
  border-radius: var(--r-pill);
  font-size: .72rem;
  color: var(--violet);
}

.page-about .about-timeline__text {
  margin: 0;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-network {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.page-about .about-node {
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  background: var(--about-card);
  overflow: hidden;
  transition: border-color .3s ease;
}

.page-about .about-node[open] {
  border-color: rgba(34, 245, 230, .38);
  background: rgba(16, 23, 46, .9);
}

.page-about .about-node__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: .91rem;
  color: var(--mist);
}

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

.page-about .about-node__head::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--deep);
  transition: background .3s ease, box-shadow .3s ease;
}

.page-about .about-node[open] .about-node__head::before {
  background: var(--magma);
  box-shadow: 0 0 10px rgba(255, 106, 61, .75);
}

.page-about .about-node__count {
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--f-mono);
  font-size: .78rem;
  color: var(--neon);
}

.page-about .about-node__body {
  margin: 0;
  padding: 0 16px 16px 36px;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-eco {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-eco__item {
  padding: 12px 14px;
  border-left: 2px solid var(--violet);
  border-radius: 0 var(--r-xs) var(--r-xs) 0;
  background: linear-gradient(90deg, rgba(138, 92, 255, .14), transparent 88%);
  font-size: .82rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-about .about-eco__item b {
  display: block;
  margin-bottom: 4px;
  font-family: var(--f-mono);
  font-size: 1.08rem;
  color: var(--mist);
}

.page-about .about-lens {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-lens__item {
  padding: 16px 16px 18px;
  border: 1px solid var(--about-line);
  border-radius: var(--r-md);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(34, 245, 230, .1), transparent 72%),
    var(--about-card);
}

.page-about .about-lens__key {
  display: block;
  margin-bottom: 8px;
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--deep);
}

.page-about .about-lens__title {
  margin: 0 0 6px;
  font-size: .97rem;
  color: var(--mist);
}

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

.page-about .about-faq {
  display: grid;
  gap: 8px;
  margin-top: 22px;
}

.page-about .about-faq__item {
  border: 1px solid var(--about-line);
  border-radius: var(--r-sm);
  background: rgba(13, 19, 40, .6);
}

.page-about .about-faq__item[open] {
  border-color: rgba(34, 245, 230, .32);
}

.page-about .about-faq__q {
  display: flex;
  gap: 10px;
  padding: 13px 16px;
  list-style: none;
  cursor: pointer;
  font-size: .91rem;
  color: var(--mist);
}

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

.page-about .about-faq__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--f-mono);
  line-height: 1;
  color: var(--neon);
}

.page-about .about-faq__item[open] .about-faq__q::after {
  content: "−";
}

.page-about .about-faq__a {
  margin: 0;
  padding: 0 16px 15px;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-cta {
  margin-top: 26px;
  padding: 26px 22px;
  border: 1px solid rgba(138, 92, 255, .35);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(138, 92, 255, .28), transparent 62%),
    linear-gradient(200deg, rgba(34, 245, 230, .1), rgba(7, 11, 26, .95));
}

.page-about .about-cta__title {
  margin: 0 0 10px;
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: clamp(1.22rem, 4vw, 1.6rem);
  line-height: 1.35;
  color: var(--mist);
}

.page-about .about-cta__text {
  margin: 0 0 18px;
  max-width: 52ch;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-about .about-eco {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 52px 0 62px;
  }

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

  .page-about .about-cta {
    padding: 32px 30px;
  }
}

@media (min-width: 780px) {
  .page-about .about-lens {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 34px;
    align-items: center;
  }

  .page-about .about-split--flip .about-split__media {
    order: -1;
  }

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

@media (min-width: 960px) {
  .page-about .about-shell {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 44px 0 56px;
  }

  .page-about .about-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 22px);
    padding: 0 0 0 16px;
    border-bottom: 0;
    border-left: 1px solid var(--about-line);
  }

  .page-about .about-toc__title {
    display: block;
  }

  .page-about .about-toc__list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-about .about-toc__link {
    padding: 8px 10px;
    border-radius: var(--r-xs);
    font-size: .84rem;
    white-space: normal;
  }

  .page-about .about-chapter {
    padding: 38px 0 42px;
  }

  .page-about .about-chapter__title {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__item,
  .page-about .about-timeline__item::before,
  .page-about .about-index__link,
  .page-about .about-toc__link {
    transition: none;
  }

  .page-about .about-timeline__item:hover,
  .page-about .about-timeline__item:focus-within {
    transform: none;
  }
}