.page-about {
  --about-rail: clamp(88px, 9vw, 150px);
  position: relative;
  background: var(--color-void);
  color: var(--color-gray);
  font-family: var(--font-body);
  letter-spacing: .01em;
}

.page-about a {
  color: var(--color-neon);
  text-decoration: none;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-about a:hover {
  color: var(--color-white);
}

.page-about .about-track {
  display: none;
}

.page-about .about-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

.page-about .about-breadcrumb {
  margin-bottom: 28px;
}

.page-about .about-header {
  position: relative;
  isolation: isolate;
  margin-bottom: 44px;
  padding: 10px 0 28px;
}

.page-about .about-header::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 56%;
  height: 104%;
  background: linear-gradient(120deg, rgba(57,255,20,.10) 0%, rgba(255,67,10,.05) 60%);
  clip-path: polygon(16% 0, 100% 0, 92% 100%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.page-about .about-header::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin-top: 26px;
  border-radius: var(--radius-pill);
  background: var(--grad-neon);
}

.page-about .about-header h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 12px 0 16px;
  max-width: 14em;
}

.page-about .about-header .page-intro {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.75;
  color: var(--color-gray);
  max-width: 62ch;
  margin: 0;
}

.page-about .about-section-head {
  max-width: 64ch;
  margin-bottom: 30px;
}

.page-about .about-section-head h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 33px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 0 0 10px;
}

.page-about .about-section-head > p:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0;
}

.page-about .section {
  margin: 56px 0;
}

.page-about .about-manifesto {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  margin-top: 20px;
}

.page-about .about-manifesto__copy h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 0 0 14px;
}

.page-about .about-manifesto__copy > p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-gray);
  margin: 0 0 14px;
}

.page-about .about-manifesto__lead {
  font-size: 17px;
  color: var(--color-white);
  font-weight: 600;
}

.page-about .about-manifesto__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.page-about .about-stat {
  background: var(--color-panel);
  border: 1px solid var(--color-neon-soft);
  border-radius: var(--radius-md);
  padding: 16px 14px;
}

.page-about .about-stat__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--color-neon);
  display: block;
  line-height: 1.1;
}

.page-about .about-stat__label {
  display: block;
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 6px;
}

.page-about .about-manifesto__media {
  margin: 0;
  display: flex;
  justify-content: center;
}

.page-about .about-manifesto__img {
  width: min(100%, 360px);
  aspect-ratio: 1 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-neon-soft);
  box-shadow: var(--shadow);
}

.page-about .about-timeline {
  position: relative;
  padding-left: 44px;
  margin: 34px 0 30px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 49px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--color-neon) 0%, rgba(57,255,20,.35) 40%, transparent 100%);
}

.page-about .about-timeline__item {
  position: relative;
  display: flex;
  gap: 18px;
  padding-bottom: 26px;
}

.page-about .about-timeline__marker {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 0 6px rgba(57,255,20,.12);
  align-self: flex-start;
  margin-top: 28px;
}

.page-about .about-timeline__card {
  flex: 1;
  min-width: 0;
  background: var(--color-panel);
  border: 1px solid var(--color-neon-soft);
  border-radius: var(--radius-lg);
  padding: 18px 20px 16px;
  transition: border-color var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-about .about-timeline__card:hover {
  border-color: rgba(57,255,20,.5);
}

.page-about .about-timeline__card--now {
  background: linear-gradient(135deg, rgba(57,255,20,.12), var(--color-panel) 68%);
  border-color: rgba(57,255,20,.4);
}

.page-about .about-timeline__summary {
  list-style: none;
  cursor: pointer;
}

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

.page-about .about-timeline__summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--color-neon);
  margin-left: 12px;
}

.page-about .about-timeline__details[open] .about-timeline__summary::after {
  content: "\2212";
}

.page-about .about-timeline__year {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--color-neon);
  background: rgba(57,255,20,.08);
  border: 1px solid var(--color-neon-soft);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 10px;
}

.page-about .about-timeline__summary h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.3;
  color: var(--color-white);
  margin: 0 0 6px;
}

.page-about .about-timeline__summary p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-gray);
  margin: 0 32px 0 0;
}

.page-about .about-timeline__expand {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray);
  border-top: 1px dashed var(--color-neon-soft);
  margin-top: 14px;
  padding-top: 14px;
}

.page-about .about-timeline__expand p {
  margin: 0;
}

.page-about .about-timeline__figure {
  margin: 30px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-neon-soft);
}

.page-about .about-timeline__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}

.page-about .about-tech__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 34px 0 28px;
}

.page-about .about-tech__card {
  background: var(--color-panel);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  border: 1px solid var(--color-neon-soft);
  position: relative;
  overflow: hidden;
}

.page-about .about-tech__card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--grad-neon);
}

.page-about .about-tech__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--color-neon);
  margin-bottom: 12px;
}

.page-about .about-tech__card h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--color-white);
  margin: 0 0 12px;
}

.page-about .about-tech__card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-gray);
  margin: 0 0 18px;
}

.page-about .about-tech__meta {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--color-neon-soft);
}

.page-about .about-tech__meta div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .about-tech__meta dt {
  font-size: 12px;
  color: var(--color-muted);
}

.page-about .about-tech__meta dd {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-neon);
  margin: 0;
  white-space: nowrap;
}

.page-about .about-tech__figure {
  margin: 28px 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-neon-soft);
}

.page-about .about-tech__figure img {
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  display: block;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 34px 0 22px;
}

.page-about .about-team__unit {
  background: var(--color-panel);
  border: 1px solid var(--color-neon-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.page-about .about-team__unit h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 18px;
  color: var(--color-white);
  margin: 0 0 12px;
  padding-left: 20px;
  position: relative;
}

.page-about .about-team__unit h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: .28em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 0 4px rgba(57,255,20,.12);
}

.page-about .about-team__unit p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-gray);
  margin: 0;
}

.page-about .about-team__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted);
  border-top: 1px solid var(--color-neon-soft);
  padding-top: 22px;
  max-width: 68ch;
}

.page-about .about-team__note p {
  margin: 0;
}

.page-about .about-compliance__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 34px 0 24px;
}

.page-about .about-compliance__item {
  background: linear-gradient(180deg, rgba(57,255,20,.05), rgba(26,30,38,.85));
  border: 1px solid var(--color-neon-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.page-about .about-compliance__item h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  color: var(--color-white);
  margin: 0 0 10px;
}

.page-about .about-compliance__item p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-gray);
  margin: 0;
}

.page-about .about-compliance__code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-neon);
  background: rgba(57,255,20,.08);
  border: 1px solid var(--color-neon-soft);
  border-radius: 6px;
  padding: 2px 7px;
  white-space: nowrap;
}

.page-about .about-help-callout {
  margin-top: 8px;
  padding: 16px 22px;
  background: linear-gradient(90deg, rgba(57,255,20,.08), transparent 80%);
  border-left: 3px solid var(--color-neon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-help-callout p {
  margin: 0;
  color: var(--color-gray);
}

.page-about .about-partners__content {
  max-width: 66ch;
  margin: 24px 0 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-about .about-partners__content p {
  margin: 0 0 12px;
}

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

.page-about .about-partners__tag {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--color-white);
  background: var(--color-panel);
  border: 1px solid var(--color-neon-soft);
  border-radius: var(--radius-pill);
  padding: 9px 16px;
}

@media (min-width: 720px) {
  .page-about .about-manifesto {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
  }

  .page-about .about-tech__grid,
  .page-about .about-team__grid,
  .page-about .about-compliance__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-timeline {
    max-width: 880px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
  }

  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding-right: 40px;
    display: block;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-right: 0;
    padding-left: 40px;
    margin-top: 48px;
  }

  .page-about .about-timeline__marker {
    position: absolute;
    top: 28px;
    margin: 0;
    right: -6px;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__marker {
    right: auto;
    left: -6px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-track {
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: var(--about-rail);
    border-right: 1px solid var(--color-neon-soft);
    background:
      linear-gradient(180deg, rgba(57,255,20,.10) 0%, transparent 45%),
      repeating-linear-gradient(180deg, rgba(57,255,20,.03) 0 1px, transparent 1px 64px);
    pointer-events: none;
  }

  .page-about .about-shell {
    padding-left: var(--about-rail);
  }
}