.page-about {
  --about-space: clamp(20px, 5vw, 56px);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  background-image:
    linear-gradient(rgba(0, 229, 240, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 240, 0.055) 1px, transparent 1px);
  background-size: 28px 28px;
  background-color: var(--color-bg-dark);
  color: var(--color-ink);
}

.page-about .about-shell {
  max-width: var(--container-w);
  margin: 0 auto;
  background: var(--color-paper);
  box-shadow: var(--shadow-paper);
}

.page-about .section {
  padding: 48px var(--about-space);
}

.page-about .section-index {
  display: inline-block;
  margin: 0 0 12px;
  padding: 2px 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-blue);
  background: rgba(30, 111, 255, 0.08);
  border: 1px solid rgba(30, 111, 255, 0.35);
  text-transform: uppercase;
}

.page-about h2 {
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}

.page-about p {
  color: var(--color-ink-soft);
  margin: 0 0 12px;
}

.page-about .breadcrumb {
  background: var(--color-ink);
  padding: 14px var(--about-space);
  font-size: 14px;
  color: rgba(245, 240, 230, 0.6);
}

.page-about .breadcrumb a {
  color: var(--color-cyan);
  text-decoration: none;
}

.page-about .breadcrumb--sep {
  margin: 0 10px;
  color: rgba(245, 240, 230, 0.4);
}

.page-about .about-hero {
  background: var(--color-ink);
  color: var(--color-paper);
  padding: 44px var(--about-space) 52px;
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 28px;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  border: 2px solid rgba(0, 229, 240, 0.3);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan) 40%, var(--color-purple) 75%, var(--color-green));
}

.page-about .about-kicker {
  display: inline-block;
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-cyan);
  border: 1px solid rgba(0, 229, 240, 0.5);
  padding: 4px 12px;
  transform: skewX(-8deg);
}

.page-about .about-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 6vw, 62px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--color-paper);
  text-shadow: 4px 4px 0 rgba(30, 111, 255, 0.5);
  max-width: 900px;
}

.page-about .about-lede {
  margin: 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.85);
  max-width: 680px;
}

.page-about .about-hero--content {
  min-width: 0;
}

.page-about .about-hero--aside {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-top: 8px;
}

.page-about .about-hero--aside .vertical-note {
  color: rgba(245, 240, 230, 0.6);
  border-left: 2px solid var(--color-cyan);
  padding-left: 10px;
}

.page-about .about-hero--aside p {
  margin: 0;
  font-size: 14px;
  color: rgba(245, 240, 230, 0.75);
  line-height: 1.7;
  border-left: 3px solid var(--color-green);
  padding-left: 14px;
  max-width: 220px;
}

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

.page-about .about-story::before {
  content: "";
  position: absolute;
  right: var(--about-space);
  top: 0;
  width: 64px;
  height: 64px;
  background: radial-gradient(circle, rgba(0, 229, 240, 0.5) 0 4px, transparent 5px);
  background-size: 16px 16px;
  opacity: 0.3;
  border: 2px solid rgba(30, 111, 255, 0.25);
}

.page-about .about-story--layout {
  display: grid;
  gap: 36px;
}

.page-about .about-story--copy p {
  margin-bottom: 14px;
}

.page-about .about-principle {
  border-top: 2px solid var(--color-paper-deep);
  padding: 18px 0 10px;
}

.page-about .about-principle--num {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-green);
  border: 1px solid var(--color-green);
  padding: 2px 8px;
}

.page-about .about-principle h3 {
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
}

.page-about .about-principle p {
  margin-bottom: 0;
  font-size: 14px;
}

.page-about .about-milestones {
  background: var(--color-header);
  color: var(--color-paper);
  position: relative;
}

.page-about .about-milestones .section-index {
  color: var(--color-cyan);
  background: rgba(0, 229, 240, 0.1);
  border-color: rgba(0, 229, 240, 0.35);
}

.page-about .about-milestones h2 {
  color: var(--color-paper);
}

.page-about .about-milestones p {
  color: rgba(245, 240, 230, 0.78);
}

.page-about .about-milestones--head {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
}

.page-about .about-milestones--lead {
  margin: 0;
  max-width: 560px;
}

.page-about .about-milestones--timeline {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-about .milestone {
  background: rgba(245, 240, 230, 0.06);
  border-left: 4px solid var(--color-blue);
  padding: 18px 20px 20px;
  position: relative;
}

.page-about .milestone--year {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-cyan);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.page-about .milestone--panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-paper);
}

.page-about .milestone--panel p {
  margin: 0;
  font-size: 14px;
  color: rgba(245, 240, 230, 0.74);
}

.page-about .about-block-visual {
  margin-top: 32px;
  border: 2px solid var(--color-ink);
  background: var(--color-paper-deep);
  padding: 10px;
  box-shadow: 4px 4px 0 var(--color-ink);
  overflow: hidden;
}

.page-about .about-block-visual img {
  display: block;
  width: 100%;
  height: auto;
  background: var(--color-paper-deep);
  object-fit: cover;
}

.page-about .about-milestones .about-block-visual {
  border-color: rgba(0, 229, 240, 0.4);
  background: rgba(245, 240, 230, 0.08);
  box-shadow: 4px 4px 0 rgba(0, 229, 240, 0.2);
}

.page-about .about-scale--intro {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.page-about .about-scale--intro p {
  margin: 0;
  max-width: 620px;
}

.page-about .about-scale--grid {
  display: grid;
  gap: 20px;
  padding-bottom: 8px;
}

.page-about .stat-block {
  position: relative;
  background: var(--color-paper);
  border: 2px solid var(--color-ink);
  padding: 22px 20px 20px;
  box-shadow: 3px 3px 0 var(--color-ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .stat-block--num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-heading);
  font-size: clamp(38px, 6vw, 54px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-blue);
}

.page-about .stat-block h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
}

.page-about .stat-block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.page-about .stat-block--highlight {
  background: var(--color-blue);
  border-color: var(--color-blue);
  box-shadow: 3px 3px 0 var(--color-ink);
}

.page-about .stat-block--highlight .stat-block--num,
.page-about .stat-block--highlight h3,
.page-about .stat-block--highlight p {
  color: #fff;
}

.page-about .stat-block--tip {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(30, 26, 23, 0.2);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-about .stat-block--highlight .stat-block--tip {
  color: rgba(255, 255, 255, 0.8);
  border-top-color: rgba(255, 255, 255, 0.4);
}

.page-about .about-scale--note {
  margin-top: 28px;
  padding: 18px 20px;
  background: var(--color-paper-deep);
  border-left: 4px solid var(--color-purple);
}

.page-about .about-scale--note p {
  margin: 0;
}

.page-about .about-team {
  background: var(--color-ink);
  color: var(--color-paper);
  position: relative;
}

.page-about .about-team .section-index {
  color: var(--color-green);
  background: rgba(0, 176, 90, 0.12);
  border-color: rgba(0, 176, 90, 0.35);
}

.page-about .about-team h2 {
  color: var(--color-paper);
}

.page-about .about-team p {
  color: rgba(245, 240, 230, 0.78);
}

.page-about .about-team--head {
  display: grid;
  gap: 8px;
  margin-bottom: 24px;
}

.page-about .about-team--head p:last-child {
  margin: 0;
  max-width: 600px;
}

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

.page-about .team-card {
  background: rgba(245, 240, 230, 0.06);
  border: 1px solid rgba(245, 240, 230, 0.16);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-about .team-card--ops {
  border-top: 3px solid var(--color-blue);
}

.page-about .team-card--data {
  border-top: 3px solid var(--color-purple);
}

.page-about .team-card--support {
  border-top: 3px solid var(--color-green);
}

.page-about .team-card[open] {
  border-color: rgba(0, 229, 240, 0.5);
  background: rgba(245, 240, 230, 0.09);
}

.page-about .team-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-about .team-card summary::-webkit-details-marker {
  display: none;
}

.page-about .team-card--title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--color-paper);
}

.page-about .team-card--icon {
  flex: 0 0 auto;
  color: var(--color-cyan);
  font-size: 26px;
  line-height: 1;
  transform: rotate(0);
  transition: transform 0.2s ease;
}

.page-about .team-card[open] .team-card--icon {
  transform: rotate(45deg);
}

.page-about .team-card--body {
  padding: 0 20px 20px;
  border-top: 1px solid rgba(245, 240, 230, 0.12);
}

.page-about .team-card--body p {
  margin: 16px 0 12px;
  font-size: 14px;
}

.page-about .team-card--body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: rgba(245, 240, 230, 0.78);
}

.page-about .team-card--body li::marker {
  color: var(--color-green);
}

.page-about .about-block-visual--team {
  margin-top: 28px;
}

.page-about .about-outro--panel {
  border: 2px solid var(--color-ink);
  background:
    linear-gradient(135deg, rgba(110, 58, 168, 0.14) 0%, rgba(0, 229, 240, 0.08) 50%, rgba(30, 111, 255, 0.12) 100%),
    var(--color-paper);
  padding: 32px 24px;
  box-shadow: var(--shadow-paper);
}

.page-about .about-outro--panel h2 {
  margin-bottom: 10px;
}

.page-about .about-outro--panel > p {
  margin: 0 0 22px;
  max-width: 640px;
}

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

.page-about .about-outro--links .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: 2px solid var(--color-ink);
  color: var(--color-ink);
  background: transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-outro--links .btn-primary {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #fff;
}

.page-about .about-outro--links .btn:hover,
.page-about .about-outro--links .btn-primary:hover {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

@media (min-width: 768px) {
  .page-about .about-shell {
    margin: 28px auto 56px;
  }

  .page-about .section {
    padding: 72px 56px;
  }

  .page-about .breadcrumb {
    padding: 18px 56px 14px;
  }

  .page-about .about-hero {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 40px;
    padding: 72px 56px 60px;
  }

  .page-about .about-hero--aside {
    margin-top: 10px;
    justify-content: flex-end;
    text-align: right;
    flex-direction: column;
    align-items: flex-end;
  }

  .page-about .about-hero--aside .vertical-note {
    border-left: 0;
    padding-left: 0;
    padding-right: 10px;
    border-right: 2px solid var(--color-cyan);
  }

  .page-about .about-hero--aside p {
    border-left: 0;
    padding-left: 0;
    border-right: 3px solid var(--color-green);
    padding-right: 14px;
    text-align: right;
  }

  .page-about .about-story--layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 56px;
  }

  .page-about .about-story--principles {
    margin-top: 12px;
    border-left: 2px solid var(--color-paper-deep);
    padding-left: 36px;
  }

  .page-about .about-milestones--head {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
    align-items: end;
    margin-bottom: 20px;
  }

  .page-about .about-milestones--lead {
    margin: 0 0 4px 0;
  }

  .page-about .about-milestones--timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding-top: 44px;
    margin-top: 28px;
  }

  .page-about .about-milestones--timeline::before {
    content: "";
    position: absolute;
    left: 3%;
    right: 3%;
    top: 20px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-blue) 0%, var(--color-cyan) 50%, var(--color-purple) 100%);
    opacity: 0.5;
    z-index: 0;
  }

  .page-about .milestone {
    background: rgba(245, 240, 230, 0.06);
    border-left: 0;
    border-top: 3px solid var(--color-cyan);
    padding: 18px 18px 20px;
    position: relative;
    z-index: 1;
  }

  .page-about .milestone::before {
    content: "";
    position: absolute;
    left: 18px;
    top: -30px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-blue);
    border: 3px solid var(--color-ink);
    box-shadow: 0 0 0 4px rgba(30, 111, 255, 0.22);
    z-index: 1;
  }

  .page-about .milestone:nth-child(2) .milestone--panel,
  .page-about .milestone:nth-child(4) .milestone--panel {
    margin-top: 26px;
  }

  .page-about .about-block-visual--timeline {
    max-width: 720px;
  }

  .page-about .about-scale--grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-bottom: 64px;
  }

  .page-about .stat-block:nth-child(2),
  .page-about .stat-block:nth-child(4) {
    transform: translateY(16px);
  }

  .page-about .stat-block--tip {
    position: absolute;
    left: -2px;
    right: -2px;
    top: calc(100% + 8px);
    padding: 12px 16px;
    background: var(--color-ink);
    color: var(--color-paper);
    border-top: 0;
    box-shadow: 4px 4px 0 rgba(30, 26, 23, 0.3);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
    z-index: 5;
  }

  .page-about .stat-block:hover .stat-block--tip,
  .page-about .stat-block:focus-within .stat-block--tip {
    opacity: 1;
    transform: translateY(0);
  }

  .page-about .about-scale--note {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
  }

  .page-about .about-scale--note p {
    margin: 0;
    max-width: 800px;
  }

  .page-about .about-block-visual--scale {
    max-width: 560px;
    margin-left: auto;
    margin-right: 0;
  }

  .page-about .about-team--head {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 24px;
    align-items: end;
    margin-bottom: 28px;
  }

  .page-about .about-team--head p:last-child {
    margin: 0 0 4px 0;
  }

  .page-about .about-team--grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .about-block-visual--team {
    max-width: 440px;
  }

  .page-about .about-outro--panel {
    padding: 40px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .stat-block,
  .page-about .team-card,
  .page-about .milestone,
  .page-about .team-card--icon {
    transition: none;
  }
}