.page-about {
  --about-grid-size: 44px;
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding-top: 32px;
  padding-bottom: 44px;
  background:
    radial-gradient(ellipse at 78% -10%, rgba(var(--accent-rgb), 0.1), transparent 44%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: auto, var(--about-grid-size) var(--about-grid-size), var(--about-grid-size) var(--about-grid-size);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent 60%);
  opacity: 0.45;
}

.page-about .breadcrumbs {
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-sub);
}

.page-about .breadcrumbs a {
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-bottom: 18px;
}

.page-about .about-hero__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--text-sub);
}

.page-about .about-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(30px, 7.5vw, 64px);
  font-weight: 800;
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.page-about .about-hero__lead {
  margin: 0 0 26px;
  max-width: 560px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-sub);
}

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

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-index a {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-sub);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .about-index a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

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

.page-about .about-index a:hover::before {
  opacity: 1;
}

.page-about .about-hero__visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-about .about-hero__caption {
  position: absolute;
  top: 14px;
  right: 14px;
  margin: 0;
  padding: 6px 10px;
  background: var(--card-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-sub);
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 40px;
}

.page-about .about-stat {
  position: relative;
  overflow: hidden;
  padding: 18px 16px;
  background: var(--card-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about .about-stat:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
  transform: translateY(-2px);
}

.page-about .about-stat::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transition: width 0.3s ease;
}

.page-about .about-stat:hover::after {
  width: 72%;
}

.page-about .about-stat .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--accent);
}

.page-about .about-stat .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-sub);
}

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

.page-about .about-story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-about .about-story__text p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-sub);
}

.page-about .about-story__text p:first-child {
  font-size: 19px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--text-main);
}

.page-about .about-story__facts {
  display: grid;
  gap: 14px;
}

.page-about .about-story__fact {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 18px 20px 18px 22px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about .about-story__fact:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateX(4px);
}

.page-about .about-story__fact::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 0 3px 3px 0;
}

.page-about .about-story__fact-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--accent);
}

.page-about .about-story__fact h3 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.page-about .about-story__fact p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-sub);
}

.page-about .about-timeline {
  position: relative;
  background: rgba(18, 24, 41, 0.32);
}

.page-about .about-timeline__banner {
  margin: 0 0 44px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
}

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

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

.page-about .about-timeline__list::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.7), var(--line) 70%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 26px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.14), 0 0 14px rgba(var(--accent-rgb), 0.4);
}

.page-about .about-timeline__item:last-child::before {
  background: var(--accent-warm);
  box-shadow: 0 0 0 4px rgba(var(--accent-warm-rgb), 0.14), 0 0 14px rgba(var(--accent-warm-rgb), 0.4);
}

.page-about .about-timeline__year {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.page-about .about-timeline__item:last-child .about-timeline__year {
  color: var(--accent-warm);
}

.page-about .about-timeline__card {
  position: relative;
  padding: 18px 20px;
  background: var(--card-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-about .about-timeline__card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(var(--accent-rgb), 0.75), transparent 65%);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.page-about .about-timeline__item:last-child .about-timeline__card {
  border-color: rgba(var(--accent-warm-rgb), 0.35);
}

.page-about .about-timeline__item:last-child .about-timeline__card::before {
  background: linear-gradient(90deg, rgba(var(--accent-warm-rgb), 0.75), transparent 65%);
}

.page-about .about-timeline__card:hover {
  transform: translateY(-3px);
  border-color: rgba(var(--accent-rgb), 0.4);
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

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

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

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-about .about-team__visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
}

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

.page-about .about-team__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 2px 10px;
  margin-bottom: 20px;
}

.page-about .about-team__stat-num {
  font-family: var(--font-mono);
  font-size: 60px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
}

.page-about .about-team__stat-unit {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
}

.page-about .about-team__stat p {
  flex-basis: 100%;
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-sub);
}

.page-about .about-team__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-team__list li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-sub);
}

.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

.page-about .about-team__metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 34px;
}

.page-about .about-team__metric {
  padding: 20px 10px;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.page-about .about-team__metric .stat-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-sub);
}

.page-about .about-team__metric .stat-value {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
}

.page-about .about-network {
  position: relative;
  background:
    radial-gradient(ellipse at 18% 0%, rgba(var(--accent-rgb), 0.06), transparent 40%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: auto, var(--about-grid-size) var(--about-grid-size), var(--about-grid-size) var(--about-grid-size);
}

.page-about .about-network__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-network__card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-about .about-network__card:hover {
  transform: translateY(-4px);
  border-color: rgba(var(--accent-rgb), 0.4);
}

.page-about .about-network__card::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: rgba(var(--accent-rgb), 0.05);
}

.page-about .about-network__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.page-about .about-network__card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

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

.page-about .about-network__cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 36px;
  padding: 26px 24px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-about .about-network__cta-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.page-about .about-network__cta p:last-of-type {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
}

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

.page-about .about-story,
.page-about .about-timeline,
.page-about .about-team,
.page-about .about-network {
  scroll-margin-top: 80px;
}

@media (min-width: 768px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .about-story__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 48px;
  }

  .page-about .about-network__grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-about .about-network__cta {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 56px;
  }

  .page-about .about-team__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 52px;
  }

  .page-about .about-timeline__list::before {
    left: calc(50% - 1px);
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 48px;
    align-items: start;
    padding-left: 0;
    margin-bottom: 30px;
  }

  .page-about .about-timeline__item::before {
    left: calc(50% - 8px);
    top: 28px;
  }

  .page-about .about-timeline__item:nth-child(odd) .about-timeline__year {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-timeline__item:nth-child(odd) .about-timeline__card {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__year {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    grid-column: 2;
    grid-row: 1;
  }
}