.page-about {
  --page-pad: var(--container-pad);
  --page-aside-width: 280px;
  --page-gap: 48px;
  background: var(--space-blue-900);
  color: var(--text-primary);
}

.page-about .about-hero {
  position: relative;
  padding: 48px 0 72px;
  border-bottom: 1px solid var(--space-blue-500);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--neon-green-400) 0%, var(--gold-500) 60%, var(--space-blue-500) 100%);
  z-index: 1;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: 0;
  width: 38%;
  height: 32px;
  background: var(--space-blue-700);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .about-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-left: 3px solid var(--neon-green-400);
  padding-left: 16px;
}

.page-about .about-hero__code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--neon-green-400);
  line-height: 1.7;
  text-transform: uppercase;
  margin: 0;
}

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

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

.page-about .about-hero__accent {
  color: var(--neon-green-400);
}

.page-about .about-hero__lead {
  max-width: 56ch;
  font-size: 1.063rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

.page-about .about-section {
  padding: 56px 0;
  border-bottom: 1px solid var(--space-blue-500);
}

.page-about .about-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-about .about-section__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-about .about-section__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--neon-green-400);
}

.page-about .about-section__label {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0;
  color: var(--text-primary);
}

.page-about .about-section__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
  border-left: 2px solid var(--space-blue-500);
  padding-left: 12px;
}

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

.page-about .about-section__content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.15;
  margin: 6px 0 18px;
  letter-spacing: -0.01em;
}

.page-about .about-section__lead {
  font-size: 1.063rem;
  line-height: 1.75;
  color: var(--text-primary);
  border-left: 3px solid var(--neon-green-400);
  padding-left: 16px;
  margin: 0 0 16px;
}

.page-about .about-section__content > p {
  margin: 0 0 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-about .about-timeline {
  position: relative;
  border-left: 2px solid var(--space-blue-500);
  padding-left: 28px;
  margin: 32px 0;
}

.page-about .about-timeline__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

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

.page-about .about-timeline__marker {
  position: absolute;
  left: -33px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon-green-400);
  box-shadow: 0 0 0 4px var(--space-blue-900);
}

.page-about .about-timeline__year {
  font-family: var(--font-mono);
  font-size: 0.813rem;
  letter-spacing: 0.12em;
  color: var(--neon-green-400);
  margin: 0 0 4px;
}

.page-about .about-timeline__title {
  font-family: var(--font-display);
  font-size: 1.063rem;
  margin: 0 0 6px;
  color: var(--text-primary);
}

.page-about .about-timeline__desc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-about .about-trust {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--gold-500);
  background: var(--space-blue-700);
}

.page-about .about-trust p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
}

.page-about .about-figure {
  margin: 32px 0 0;
  border: 1px solid var(--space-blue-500);
  background: var(--space-blue-700);
}

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

.page-about .about-figure figcaption {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  border-top: 1px solid var(--space-blue-500);
}

.page-about .about-metrics {
  margin: 32px 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--space-blue-500);
  background: var(--space-blue-500);
  gap: 1px;
}

.page-about .about-metric {
  position: relative;
  padding: 20px 18px;
  background: var(--space-blue-700);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .about-metric::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-green-400) 0%, transparent 100%);
}

.page-about .about-metric__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
}

.page-about .about-metric__label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.page-about .about-metric:nth-child(3) .about-metric__value {
  color: var(--gold-500);
}

.page-about .about-tabs {
  margin-top: 24px;
}

.page-about .about-credential__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .about-credential__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px;
  background: var(--space-blue-700);
  border: 1px solid var(--space-blue-500);
  border-left: 3px solid var(--neon-green-400);
}

.page-about .about-credential__item--gold {
  border-left-color: var(--gold-500);
}

.page-about .about-credential__icon {
  position: relative;
  width: 36px;
  height: 36px;
  background: var(--space-blue-500);
}

.page-about .about-credential__icon::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  border: 2px solid var(--neon-green-400);
}

.page-about .about-credential__item--gold .about-credential__icon::before {
  border-color: var(--gold-500);
}

.page-about .about-credential__item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 0 0 6px;
  color: var(--text-primary);
}

.page-about .about-credential__item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-about .about-ecosystem__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 32px 0;
}

.page-about .about-ecosystem__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px;
  background: var(--space-blue-700);
  border: 1px solid var(--space-blue-500);
  position: relative;
}

.page-about .about-ecosystem__card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 56px;
  height: 3px;
  background: var(--neon-green-400);
}

.page-about .about-ecosystem__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--text-primary);
}

.page-about .about-ecosystem__card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
  flex: 1;
}

.page-about .about-ecosystem__card .btn {
  align-self: flex-start;
}

.page-about .about-connect__panel {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--space-blue-500);
  background: linear-gradient(135deg, var(--space-blue-700) 0%, var(--space-blue-900) 100%);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-connect__panel p {
  margin: 0;
  font-size: 0.938rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.page-about .about-connect__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.page-about .about-connect__link {
  color: var(--neon-green-400);
  font-family: var(--font-mono);
  font-size: 0.813rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-bottom: 1px solid var(--neon-green-400);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .about-connect__link:hover,
.page-about .about-connect__link:focus-visible {
  color: var(--neon-green-300);
  border-color: var(--neon-green-300);
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 72px 0 96px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: var(--page-aside-width) minmax(0, 1fr);
    gap: 48px;
  }

  .page-about .about-section {
    padding: 80px 0;
  }

  .page-about .about-section__grid {
    grid-template-columns: var(--page-aside-width) minmax(0, 1fr);
    gap: 64px;
  }

  .page-about .about-section__aside {
    position: sticky;
    top: 120px;
    align-self: start;
  }

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

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