.page-about {
  background: var(--color-dark);
  color: var(--color-beige);
  min-height: 100vh;
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-about .breadcrumb {
  padding: 20px 16px 0;
  font-size: 13px;
}

.page-about .about-shell {
  display: block;
  min-height: 100vh;
}

.page-about .about-rail {
  display: none;
}

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

.page-about .about-hero {
  position: relative;
  padding: 40px 16px 56px;
  border-bottom: 1px solid rgba(57, 255, 20, 0.22);
  overflow: hidden;
  background-image:
    linear-gradient(rgba(57, 255, 20, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 255, 20, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  background-position: center center;
}

.page-about .about-hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.page-about .about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--color-neon);
  text-transform: uppercase;
  margin: 0 0 16px;
}

.page-about .kicker-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-neon);
  color: var(--color-dark);
  font-weight: 700;
  letter-spacing: 0;
  transform: skewX(-10deg);
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 5.4vw, 52px);
  line-height: 1.18;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.page-about .about-hero__title span {
  display: block;
  color: var(--color-neon);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 680px;
  font-size: 16px;
  color: rgba(245, 245, 220, 0.82);
}

.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.page-about .hero-meta {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  background: rgba(11, 29, 58, 0.85);
  border: 1px solid rgba(245, 245, 220, 0.14);
  padding: 10px 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--color-grey);
}

.page-about .hero-meta em {
  font-family: var(--font-num);
  font-style: normal;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-neon);
}

.page-about .about-hero__tag {
  display: none;
}

.page-about .section-block {
  padding: 40px 16px 48px;
}

.page-about .section-head {
  margin-bottom: 28px;
}

.page-about .section-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 4vw, 36px);
  line-height: 1.24;
  margin: 0;
}

.page-about .milestone-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .milestone-visual img,
.page-about .data-visual img,
.page-about .team-visual img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-about .milestone-visual img {
  border: 1px solid rgba(245, 245, 220, 0.1);
}

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

.page-about .milestone-item {
  position: relative;
  padding: 0 0 24px 24px;
  border-left: 1px solid rgba(57, 255, 20, 0.3);
}

.page-about .milestone-item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-about .milestone-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.12);
}

.page-about .milestone-year {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 22px;
  color: var(--color-neon);
  letter-spacing: -0.02em;
}

.page-about .milestone-desc h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  margin: 2px 0 6px;
}

.page-about .milestone-desc p {
  margin: 0;
  color: rgba(245, 245, 220, 0.72);
  font-size: 15px;
}

.page-about .about-data {
  background: rgba(11, 29, 58, 0.6);
  border-top: 1px solid rgba(57, 255, 20, 0.14);
  border-bottom: 1px solid rgba(57, 255, 20, 0.14);
}

.page-about .stats-banner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.page-about .stat-card {
  background: var(--color-deep);
  border: 1px solid rgba(245, 245, 220, 0.08);
  padding: 18px 16px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-about .stat-card:first-child {
  background: var(--color-neon);
  border-color: transparent;
}

.page-about .stat-card:first-child .stat-num,
.page-about .stat-card:first-child .stat-label,
.page-about .stat-card:first-child .stat-sub {
  color: var(--color-dark);
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(24px, 5.6vw, 42px);
  line-height: 1.1;
  color: var(--color-neon);
}

.page-about .stat-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-top: 8px;
  color: var(--color-beige);
}

.page-about .stat-sub {
  display: block;
  font-size: 12px;
  color: var(--color-grey);
  margin-top: 4px;
  line-height: 1.5;
}

.page-about .data-visual {
  margin-top: 24px;
  position: relative;
}

.page-about .data-visual img {
  border: 1px solid rgba(245, 245, 220, 0.1);
}

.page-about .data-visual__caption {
  font-size: 13px;
  color: var(--color-grey);
  margin: 12px 0 0;
}

.page-about .certs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-about .cert-item {
  background: rgba(245, 245, 220, 0.04);
  padding: 20px 16px;
  border-left: 3px solid var(--color-gold);
}

.page-about .cert-item h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-about .cert-item p {
  margin: 0;
  color: rgba(245, 245, 220, 0.7);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .cert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 28px;
  padding: 0 10px;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-dark);
  background: var(--color-gold);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  margin-bottom: 16px;
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-about .team-copy p {
  margin: 0 0 16px;
  color: rgba(245, 245, 220, 0.82);
}

.page-about .team-roles {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-about .team-roles li {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(245, 245, 220, 0.08);
  font-size: 15px;
  color: rgba(245, 245, 220, 0.82);
}

.page-about .role-index {
  font-family: var(--font-num);
  color: var(--color-neon);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.page-about .team-visual img {
  border: 1px solid rgba(245, 245, 220, 0.1);
}

.page-about .about-links__intro {
  color: rgba(245, 245, 220, 0.72);
  font-size: 15px;
  margin: 0 0 20px;
}

.page-about .about-links__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .about-link {
  display: block;
  padding: 20px 16px;
  background: rgba(57, 255, 20, 0.06);
  border: 1px solid rgba(57, 255, 20, 0.2);
  color: var(--color-beige);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.3s ease, color 0.3s ease;
}

.page-about .about-link:hover {
  background: var(--color-neon);
  color: var(--color-dark);
}

@media (min-width: 768px) {
  .page-about .stats-banner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .breadcrumb {
    padding: 28px 0 0;
  }

  .page-about .about-shell {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    column-gap: 24px;
    align-items: start;
  }

  .page-about .about-rail {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    position: sticky;
    top: 24px;
    height: calc(100vh - 48px);
    padding: 8px 0 0;
    border-right: 1px solid rgba(57, 255, 20, 0.16);
  }

  .page-about .about-rail__mark {
    display: inline-block;
    padding: 12px 14px;
    background: var(--color-neon);
    color: var(--color-dark);
    font-family: var(--font-head);
    font-weight: 900;
    font-size: 40px;
    line-height: 1;
    clip-path: polygon(0 0, 100% 0, 92% 100%, 0 100%);
  }

  .page-about .about-rail__line {
    width: 100%;
    height: 160px;
    border-left: 2px solid rgba(57, 255, 20, 0.3);
    position: relative;
  }

  .page-about .about-rail__line::after {
    content: "";
    position: absolute;
    left: -5px;
    bottom: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-gold);
  }

  .page-about .about-rail__num {
    font-family: var(--font-num);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--color-grey);
    writing-mode: vertical-rl;
    text-transform: uppercase;
    margin-left: 6px;
  }

  .page-about .about-hero {
    padding: 56px 0 64px;
  }

  .page-about .about-hero__lead {
    font-size: 17px;
  }

  .page-about .about-hero__tag {
    display: block;
    position: absolute;
    top: 72px;
    right: 24px;
    z-index: 1;
    font-family: var(--font-num);
    font-size: 13px;
    letter-spacing: 0.16em;
    color: rgba(57, 255, 20, 0.5);
  }

  .page-about .section-block {
    padding: 56px 0 64px;
  }

  .page-about .milestone-layout {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .team-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 40px;
    align-items: center;
  }

  .page-about .certs-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .about-links__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-about .stats-banner {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}