.page-about {
  --about-grid-line: rgba(0, 180, 216, 0.08);
  --about-panel: var(--surface-mid);
  --about-panel-raise: var(--surface-raised);
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  position: relative;
}

.page-about .about-hero {
  display: grid;
  gap: 32px;
  position: relative;
  padding-top: 32px;
  padding-bottom: 48px;
}

.page-about .about-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-about .about-hero__content .breadcrumb {
  margin-bottom: 16px;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--border-highlight);
  background: var(--surface-mid);
}

.page-about .about-hero__figure::before {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid var(--primary-electric);
  z-index: -1;
  pointer-events: none;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border-highlight);
  border: 1px solid var(--border-highlight);
  margin-bottom: 72px;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface-mid);
  padding: 24px 18px;
}

.page-about .about-stat__num {
  font-family: var(--font-headline);
  font-size: clamp(36px, 8vw, 52px);
  line-height: 0.95;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--primary-electric);
}

.page-about .about-stat__label {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.page-about .about-layout {
  padding-bottom: 88px;
}

.page-about .about-rail {
  margin-bottom: 28px;
  overflow-x: auto;
}

.page-about .about-rail__inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-about .about-rail__title {
  margin: 0;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.page-about .about-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-rail__list li {
  white-space: nowrap;
}

.page-about .about-rail__list a {
  display: block;
  padding: 6px 10px;
  border: 1px solid var(--border-highlight);
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-about .about-rail__list a:hover {
  color: var(--accent-orange);
  border-color: var(--accent-orange);
}

.page-about .about-section {
  scroll-margin-top: 24px;
  margin-bottom: 88px;
}

.page-about .about-section:last-child {
  margin-bottom: 0;
}

.page-about .about-section__heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  border-bottom: 1px solid var(--border-highlight);
  padding-bottom: 16px;
  margin-bottom: 28px;
}

.page-about .about-section__num {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--accent-orange);
  letter-spacing: 0.04em;
}

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

.page-about .about-story__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-story__grid .prose p {
  margin: 0 0 16px;
}

.page-about .about-story__grid .prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-principles {
  background: var(--surface-mid);
  border-left: 3px solid var(--accent-orange);
  padding: 22px 22px 26px;
}

.page-about .about-principles__title {
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.02em;
  margin: 0 0 16px;
}

.page-about .about-principles__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-principles__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}

.page-about .about-principles__list span {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--primary-electric);
}

.page-about .about-milestones .lead {
  max-width: 660px;
}

.page-about .about-timeline {
  position: relative;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-orange), var(--primary-electric));
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 40px;
  padding-bottom: 36px;
}

.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent-orange);
  background: var(--primary-deep);
  transform: rotate(45deg);
  transition: background 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .about-timeline__item:hover::before {
  background: var(--accent-orange);
  box-shadow: 0 0 0 5px rgba(255, 122, 0, 0.18);
}

.page-about .about-timeline__year {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-orange);
}

.page-about .about-timeline__card {
  position: relative;
  background: var(--surface-mid);
  border: 1px solid var(--border-highlight);
  padding: 20px 22px;
  transition: border-color 0.3s var(--ease-out);
}

.page-about .about-timeline__card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  border-top: 16px solid var(--accent-orange);
  border-left: 16px solid transparent;
}

.page-about .about-timeline__card:hover {
  border-color: var(--accent-orange);
}

.page-about .about-timeline__card h3 {
  font-family: var(--font-headline);
  font-size: 24px;
  line-height: 1.1;
  font-weight: 900;
  margin: 0 0 8px;
}

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

.page-about .about-tech__grid {
  display: grid;
  gap: 20px;
}

.page-about .about-tech__intro {
  display: grid;
  gap: 24px;
}

.page-about .about-tech__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  margin: 16px 0 0;
}

.page-about .about-tech__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-highlight);
  border: 1px solid var(--border-highlight);
}

.page-about .about-tech__stat {
  background: var(--surface-mid);
  padding: 16px 12px;
}

.page-about .about-tech__stat-num {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(26px, 6vw, 42px);
  line-height: 1;
  font-weight: 900;
  color: var(--primary-electric);
}

.page-about .about-tech__stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

.page-about .about-tech__card {
  background: var(--surface-mid);
  border: 1px solid var(--border-highlight);
  border-top: 3px solid var(--primary-electric);
  padding: 22px 20px;
  transition: border-color 0.3s var(--ease-out);
}

.page-about .about-tech__card:hover {
  border-color: var(--accent-orange);
}

.page-about .about-tech__card h3 {
  font-family: var(--font-headline);
  font-size: 22px;
  line-height: 1.15;
  font-weight: 900;
  margin: 0 0 10px;
}

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

.page-about .about-tech__figure {
  margin: 32px 0 0;
  border: 1px solid var(--border-highlight);
  background: var(--surface-mid);
  padding: 8px;
}

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

.page-about .about-tech__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--text-muted);
}

.page-about .about-team__summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-highlight);
  border: 1px solid var(--border-highlight);
  margin-bottom: 32px;
}

.page-about .about-team__summary p {
  background: var(--surface-mid);
  margin: 0;
  padding: 22px 14px;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

.page-about .about-team__summary strong {
  display: block;
  font-family: var(--font-headline);
  font-size: clamp(30px, 6vw, 40px);
  font-weight: 900;
  line-height: 1;
  color: var(--primary-electric);
  margin-bottom: 8px;
}

.page-about .about-team__groups {
  display: grid;
  gap: 16px;
}

.page-about .about-team__groups article {
  background: var(--surface-mid);
  border: 1px solid var(--border-highlight);
  padding: 20px;
  transition: border-color 0.3s var(--ease-out);
}

.page-about .about-team__groups article:hover {
  border-color: var(--accent-orange);
}

.page-about .about-team__groups h3 {
  font-family: var(--font-headline);
  font-size: 20px;
  line-height: 1.2;
  font-weight: 900;
  margin: 0 0 10px;
}

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

.page-about .about-qualifications__grid {
  display: grid;
  gap: 20px;
}

.page-about .about-qualification {
  position: relative;
  background: var(--surface-mid);
  border: 1px solid var(--border-highlight);
  padding: 26px 20px 24px 64px;
  transition: border-color 0.3s var(--ease-out);
}

.page-about .about-qualification:hover {
  border-color: var(--accent-orange);
}

.page-about .about-qualification__badge {
  position: absolute;
  left: 16px;
  top: 22px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-orange);
  color: var(--primary-deep);
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
}

.page-about .about-qualification h3 {
  font-family: var(--font-headline);
  font-size: 21px;
  line-height: 1.2;
  font-weight: 900;
  margin: 0 0 10px;
}

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

.page-about .about-ecosystem__grid {
  display: grid;
  gap: 32px;
}

.page-about .about-ecosystem__figure {
  margin: 0;
  border: 1px solid var(--border-highlight);
  background: var(--surface-mid);
  padding: 8px;
}

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

.page-about .about-ecosystem__content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-about .about-ecosystem__content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
}

.page-about .about-ecosystem__subtitle {
  font-family: var(--font-headline);
  font-size: 22px;
  font-weight: 900;
  margin: 8px 0 0;
}

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

.page-about .about-ecosystem__tiers li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  background: var(--surface-mid);
  border: 1px solid var(--border-highlight);
  padding: 14px 16px;
  transition: border-color 0.3s var(--ease-out);
}

.page-about .about-ecosystem__tiers li:hover {
  border-color: var(--accent-orange);
}

.page-about .about-ecosystem__tiers li p {
  font-size: 14px;
}

.page-about .about-ecosystem__footer {
  font-size: 14px;
  color: var(--text-muted);
}

.page-about .about-ecosystem__footer a {
  color: var(--primary-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 180, 216, 0.35);
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

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

@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

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

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

  .page-about .about-ecosystem__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: clamp(36px, 5vw, 72px);
    padding-top: 48px;
    padding-bottom: 72px;
  }

  .page-about .about-layout {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 32px;
    overflow: visible;
    margin-bottom: 0;
  }

  .page-about .about-rail__inner {
    display: block;
    border-left: 1px solid var(--border-highlight);
    padding-left: 20px;
  }

  .page-about .about-rail__title {
    margin-bottom: 18px;
    font-size: 13px;
    letter-spacing: 0.1em;
  }

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

  .page-about .about-rail__list a {
    display: flex;
    gap: 10px;
    align-items: baseline;
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid var(--border-highlight);
    border-radius: 0;
    font-size: 14px;
  }

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

  .page-about .about-tech__intro {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: end;
  }

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

  .page-about .about-tech__figure {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    align-items: end;
    gap: 0 20px;
  }

  .page-about .about-tech__figure img {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-about .about-tech__figure figcaption {
    grid-column: 2;
    grid-row: 1;
    font-size: 14px;
  }

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

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