.page-about {
  --pb-line: rgba(192, 192, 192, .17);
  --pb-line-strong: rgba(192, 192, 192, .34);
  --pb-deep: #060D1F;
  --pb-card: rgba(16, 42, 84, .78);
  --pb-orange-soft: rgba(255, 107, 53, .15);
  position: relative;
  overflow-x: hidden;
  background: var(--c-bg);
}

.page-about .pb-hero {
  position: relative;
  padding: calc(var(--header-h) + 32px) 0 44px;
  background: linear-gradient(135deg, #060D1F 0%, #0B1B3D 55%, #102A54 100%);
  overflow: hidden;
}
.page-about .pb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 85% 90% at 32% 18%, #000, transparent 78%);
  mask-image: radial-gradient(ellipse 85% 90% at 32% 18%, #000, transparent 78%);
  pointer-events: none;
}
.page-about .pb-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: 40px;
  width: 320px;
  height: 320px;
  border: 1px solid var(--pb-line-strong);
  border-radius: 24px;
  transform: rotate(24deg);
  pointer-events: none;
}
.page-about .pb-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 32px;
  align-items: center;
}
.page-about .pb-hero .breadcrumbs {
  margin-bottom: 20px;
}
.page-about .pb-hero h1 {
  margin: 16px 0 16px;
  color: var(--c-white);
  font-family: var(--font-heading);
  font-size: clamp(32px, 5.6vw, 54px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 12em;
}
.page-about .pb-lead-text {
  max-width: 44em;
  margin: 0;
  color: var(--c-muted);
  font-size: 17px;
  line-height: 1.8;
}
.page-about .pb-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-about .pb-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 520px;
  margin-top: 28px;
  border: 1px solid var(--pb-line);
  background: rgba(6, 13, 31, .62);
}
.page-about .pb-hero-meta .data-stat {
  position: relative;
  padding: 16px 14px;
  border-right: 1px solid var(--pb-line);
}
.page-about .pb-hero-meta .data-stat:last-child {
  border-right: 0;
}
.page-about .pb-hero-meta .data-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--c-accent);
}
.page-about .pb-hero-meta .data-stat-number {
  display: block;
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}
.page-about .pb-hero-meta .data-stat-label {
  display: block;
  margin-top: 4px;
  color: var(--c-muted);
  font-size: 12px;
  line-height: 1.5;
}
.page-about .pb-hero-visual {
  position: relative;
}
.page-about .pb-hero-corner {
  position: absolute;
  right: 16px;
  top: calc(var(--header-h) + 16px);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.4;
  text-transform: uppercase;
  pointer-events: none;
}
.page-about .pb-route-nav {
  flex-wrap: wrap;
  margin-top: 24px;
}
.page-about .pb-figure {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pb-line);
  background: var(--pb-deep);
}
.page-about .pb-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .pb-position-section {
  padding: 58px 0 22px;
}
.page-about .pb-position-grid {
  gap: 28px;
}
.page-about .pb-position-statement .section-label,
.page-about .pb-position-statement h2 {
  margin-bottom: 18px;
}
.page-about .pb-position-statement h2,
.page-about .pb-section-head h2 {
  color: var(--c-white);
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.25;
}
.page-about .pb-position-statement p,
.page-about .pb-section-desc {
  color: var(--c-muted);
  line-height: 1.85;
}
.page-about .pb-position-statement p {
  margin-bottom: 16px;
}
.page-about .pb-locator {
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  margin-bottom: 36px;
  border: 1px solid var(--pb-line);
  background: var(--pb-deep);
}
.page-about .pb-locator::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 150px;
  height: 150px;
  border: 1px solid var(--pb-line);
  border-radius: 50%;
  pointer-events: none;
}
.page-about .pb-locator-head {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--pb-line);
}
.page-about .pb-locator-label {
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.page-about .pb-locator-code {
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}
.page-about .pb-locator-list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .pb-locator-list li {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--pb-line);
}
.page-about .pb-locator-list li:last-child {
  border-bottom: 0;
}
.page-about .pb-locator-list span {
  color: var(--c-muted);
  font-size: 13px;
  white-space: nowrap;
}
.page-about .pb-locator-list strong {
  color: var(--c-white);
  font-size: 14px;
  text-align: right;
  line-height: 1.6;
}
.page-about .pb-timeline-section {
  position: relative;
  overflow: hidden;
  padding: 58px 0;
  background: var(--c-bg-card);
}
.page-about .pb-timeline-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(120deg, transparent 48%, var(--c-grid) 49%, transparent 51%);
  background-size: 110px 110px;
  pointer-events: none;
}
.page-about .pb-section-head {
  position: relative;
  z-index: 1;
  margin-bottom: 36px;
}
.page-about .pb-section-head h2 {
  margin: 14px 0 12px;
}
.page-about .pb-section-desc {
  max-width: 640px;
  margin: 0;
}
.page-about .pb-timeline {
  position: relative;
  z-index: 1;
  margin-top: 40px;
}
.page-about .pb-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-accent) 0%, var(--pb-line-strong) 70%);
}
.page-about .pb-timeline-item {
  position: relative;
  padding-left: 52px;
  margin-bottom: 36px;
}
.page-about .pb-timeline-item:last-child {
  margin-bottom: 0;
}
.page-about .pb-timeline-node {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--pb-line-strong);
  background: var(--pb-deep);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.page-about .pb-timeline-phase {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.page-about .pb-timeline-phase::before {
  content: "●";
  font-size: 8px;
  color: var(--c-accent);
}
.page-about .pb-timeline-copy {
  padding: 14px 14px 16px;
  border: 1px solid transparent;
  transition: background-color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .pb-timeline-copy h3 {
  margin: 0 0 8px;
  color: var(--c-white);
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}
.page-about .pb-timeline-copy p {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-about .pb-timeline-item:hover .pb-timeline-copy,
.page-about .pb-timeline-item:focus-within .pb-timeline-copy {
  border-color: var(--pb-line);
  background: rgba(6, 13, 31, .5);
}
.page-about .pb-timeline-item:hover .pb-timeline-node,
.page-about .pb-timeline-item:focus-within .pb-timeline-node {
  background: var(--c-accent);
  color: var(--pb-deep);
}
.page-about .pb-timeline-figure {
  position: relative;
  z-index: 1;
  margin-top: 40px;
}
.page-about .pb-data-section {
  position: relative;
  overflow: hidden;
  padding: 58px 0;
  background: var(--pb-deep);
}
.page-about .pb-data-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 18%, #000 82%, transparent);
  pointer-events: none;
}
.page-about .pb-data-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}
.page-about .pb-data-card {
  position: relative;
  overflow: hidden;
  padding: 28px 22px;
  border: 1px solid rgba(192, 192, 192, .14);
  background: var(--pb-card);
}
.page-about .pb-data-card::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 90px;
  height: 90px;
  border: 1px solid var(--pb-line);
  border-radius: 50%;
  pointer-events: none;
}
.page-about .pb-data-card-serial {
  position: absolute;
  top: 14px;
  right: 16px;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: 13px;
}
.page-about .pb-data-card .data-stat-number {
  display: block;
  margin: 18px 0 8px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
}
.page-about .pb-data-card h3 {
  margin: 0 0 10px;
  color: var(--c-white);
  font-size: 17px;
  font-weight: 800;
}
.page-about .pb-data-card p {
  margin: 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-about .pb-data-card:hover {
  border-color: var(--pb-line-strong);
  background: rgba(23, 50, 95, .9);
}
.page-about .pb-team-section {
  padding: 58px 0 26px;
}
.page-about .pb-team-grid {
  gap: 22px;
  margin-bottom: 28px;
}
.page-about .pb-team-card {
  position: relative;
  overflow: hidden;
  padding: 30px 24px 26px;
  border: 1px solid var(--pb-line);
  background: var(--pb-deep);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-about .pb-team-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 4px;
  background: var(--c-accent);
  clip-path: polygon(0 0, 100% 0, 72% 100%, 0 100%);
}
.page-about .pb-team-card:hover {
  border-color: rgba(255, 107, 53, .5);
  background: #0A1831;
}
.page-about .pb-team-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 107, 53, .35);
  background: var(--pb-orange-soft);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
}
.page-about .pb-team-card h3 {
  margin: 0 0 12px;
  color: var(--c-white);
  font-size: 20px;
}
.page-about .pb-team-card p {
  margin: 0 0 18px;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.75;
}
.page-about .pb-team-count {
  padding-top: 14px;
  border-top: 1px dashed var(--pb-line);
  color: var(--c-silver);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.6;
}
.page-about .pb-team-media {
  position: relative;
  z-index: 1;
  margin-bottom: 32px;
}
.page-about .pb-eco-section {
  position: relative;
  overflow: hidden;
  padding: 58px 0 30px;
  background: var(--c-bg-card);
}
.page-about .pb-eco-section::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border: 1px solid var(--pb-line);
  border-radius: 50%;
  pointer-events: none;
}
.page-about .pb-eco-grid {
  position: relative;
  z-index: 1;
  gap: 22px;
  margin-bottom: 44px;
}
.page-about .pb-eco-card {
  padding: 30px 26px;
  border: 1px solid var(--pb-line);
  background: rgba(11, 27, 61, .7);
}
.page-about .pb-eco-card .tag {
  margin-bottom: 16px;
}
.page-about .pb-eco-card h3 {
  margin: 12px 0 10px;
  color: var(--c-white);
  font-size: 22px;
}
.page-about .pb-eco-card p {
  margin: 0;
  color: var(--c-muted);
  line-height: 1.8;
}
.page-about .pb-eco-footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--pb-line);
}
.page-about .pb-eco-footer p {
  margin: 0 auto 0 0;
  color: var(--c-muted);
}
.page-about .pb-cta-panel {
  position: relative;
  overflow: hidden;
  padding: 58px 0 64px;
  background: var(--pb-deep);
}
.page-about .pb-cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-grid) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 100%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 90% at 50% 100%, #000, transparent 75%);
  pointer-events: none;
}
.page-about .pb-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 42px 26px;
  text-align: center;
  border: 1px solid var(--pb-line);
  background: rgba(16, 42, 84, .8);
}
.page-about .pb-cta-label {
  margin-bottom: 14px;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.page-about .pb-cta-inner h2 {
  margin: 0 0 14px;
  color: var(--c-white);
  font-family: var(--font-heading);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 900;
  line-height: 1.3;
}
.page-about .pb-cta-inner p {
  margin: 0 0 28px;
  color: var(--c-muted);
  line-height: 1.8;
}
.page-about .pb-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

@media (min-width: 768px) {
  .page-about .pb-hero {
    padding: calc(var(--header-h) + 52px) 0 64px;
  }
  .page-about .pb-hero-inner {
    grid-template-columns: 1.05fr .95fr;
    gap: 40px;
  }
  .page-about .pb-position-grid,
  .page-about .pb-eco-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .pb-data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .pb-team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .pb-cta-inner {
    padding: 52px 48px;
  }
}

@media (min-width: 1024px) {
  .page-about .pb-position-section,
  .page-about .pb-timeline-section,
  .page-about .pb-data-section,
  .page-about .pb-team-section,
  .page-about .pb-eco-section {
    padding: 92px 0;
  }
  .page-about .pb-team-section {
    padding-bottom: 46px;
  }
  .page-about .pb-eco-section {
    padding-bottom: 48px;
  }
  .page-about .pb-section-head {
    margin-bottom: 48px;
  }
  .page-about .pb-position-statement {
    padding-right: 28px;
  }
  .page-about .pb-data-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  .page-about .pb-timeline {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 26px;
  }
  .page-about .pb-timeline::before {
    left: 0;
    right: 0;
    top: 15px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--c-accent), var(--pb-line-strong) 70%);
  }
  .page-about .pb-timeline-item {
    padding-left: 0;
    margin-bottom: 0;
  }
  .page-about .pb-timeline-copy {
    padding: 14px 0;
  }
  .page-about .pb-timeline-figure {
    margin-top: 56px;
  }
  .page-about .pb-hero-corner {
    right: 24px;
  }
}

@media (max-width: 767px) {
  .page-about .pb-hero-corner {
    display: none;
  }
  .page-about .pb-hero-tags .tag {
    font-size: 13px;
  }
}