.page-about {
  --about-accent: var(--blue);
  --about-glow: rgba(0, 200, 255, 0.25);
  color: var(--white);
}

.page-about .container {
  max-width: var(--container-w, 1280px);
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 24px 0 8px;
  margin: 0;
  font-size: 13px;
}

.page-about .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray);
}

.page-about .breadcrumb__item:not(:last-child)::after {
  content: "/";
  color: var(--blue);
  font-family: var(--font-num);
}

.page-about .breadcrumb__link {
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about .breadcrumb__link:hover {
  color: var(--blue);
}

.page-about .breadcrumb__item[aria-current] {
  color: var(--white);
  font-weight: 700;
}

/* Hero */
.page-about .about-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 48px 0 64px;
}

.page-about .about-hero__eyebrow {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-transform: uppercase;
  margin: 0 0 16px;
}

.page-about .about-hero__title {
  font-family: var(--font-h);
  font-size: 40px;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.page-about .about-hero__lead {
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 54ch;
  margin: 0 0 28px;
}

.page-about .about-hero .btn {
  display: inline-block;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-about .about-hero .btn--primary {
  background: var(--blue);
  color: #0a0e17;
  margin-right: 10px;
}

.page-about .about-hero .btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 200, 255, 0.3);
}

.page-about .about-hero .btn--ghost {
  border: 1px solid var(--grid);
  color: var(--white);
}

.page-about .about-hero .btn--ghost:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.page-about .about-hero__stat {
  background: linear-gradient(145deg, rgba(17, 24, 39, 0.9), rgba(17, 24, 39, 0.6));
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 20px 16px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-about .about-hero__stat--primary {
  border-color: rgba(0, 200, 255, 0.4);
  box-shadow: 0 0 32px rgba(0, 200, 255, 0.08);
}

.page-about .about-hero__stat .data-number {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  color: var(--green);
  line-height: 1.2;
}

.page-about .about-hero__stat .data-number--blue {
  color: var(--blue);
}

.page-about .about-hero__stat .data-label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray);
  margin-top: 8px;
  text-transform: uppercase;
}

.page-about .about-hero__stamp {
  position: absolute;
  top: 16px;
  right: 0;
  writing-mode: vertical-rl;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--blue);
  opacity: 0.7;
  border-right: 1px solid var(--grid);
  padding-right: 12px;
  display: none;
}

/* Section general */
.page-about .about-section {
  padding: 56px 0 24px;
  border-top: 1px solid var(--grid);
}

.page-about .section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}

.page-about .section-head__title {
  font-family: var(--font-h);
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--blue);
}

.page-about .section-head__note {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--blue);
  white-space: nowrap;
  writing-mode: vertical-rl;
  text-transform: uppercase;
}

/* Timeline */
.page-about .timeline-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .timeline-card {
  background: linear-gradient(145deg, var(--bg-card), rgba(17, 24, 39, 0.5));
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .timeline-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 200, 255, 0.4);
}

.page-about .timeline-card--featured {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .timeline-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--grid);
}

.page-about .timeline-card__year {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--blue);
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid var(--grid);
  border-radius: 3px;
  margin-bottom: 12px;
  background: rgba(0, 200, 255, 0.06);
}

.page-about .timeline-card__title {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.4;
}

.page-about .timeline-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.page-about .timeline-card--current {
  border-color: rgba(57, 255, 136, 0.45);
  box-shadow: 0 0 28px rgba(57, 255, 136, 0.06);
}

.page-about .timeline-card--current .timeline-card__year {
  color: var(--green);
  border-color: rgba(57, 255, 136, 0.4);
  background: rgba(57, 255, 136, 0.06);
}

/* Data Lab */
.page-about .about-lab {
  scroll-margin-top: 80px;
}

.page-about .lab-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-about .lab-image {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--grid);
  background: var(--bg-card);
}

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

.page-about .lab-content__lead {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  margin: 0 0 20px;
}

.page-about .lab-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .lab-list__item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: rgba(17, 24, 39, 0.7);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
}

.page-about .lab-list__num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--blue);
  border: 1px solid var(--grid);
  border-radius: 3px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.page-about .lab-list__item strong {
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--green);
  display: block;
  line-height: 1.3;
}

.page-about .lab-list__item span:last-child {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.4;
}

.page-about .lab-content__foot {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  margin: 0;
  border-left: 2px solid var(--blue);
  padding-left: 12px;
}

/* Philosophy */
.page-about .philosophy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .philosophy-card {
  background: linear-gradient(160deg, rgba(22, 32, 47, 0.85), rgba(17, 24, 39, 0.7));
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .philosophy-card:hover {
  border-color: rgba(0, 200, 255, 0.4);
  transform: translateY(-2px);
}

.page-about .philosophy-card--image {
  padding: 0;
  overflow: hidden;
}

.page-about .philosophy-card--image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.page-about .philosophy-card__title {
  font-size: 18px;
  font-weight: 800;
  margin: 8px 0 10px;
}

.page-about .philosophy-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.page-about .philosophy-card .card__tag {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--blue);
  border: 1px solid var(--grid);
  border-radius: 3px;
  padding: 3px 8px;
  display: inline-block;
}

.page-about .philosophy-card--quote {
  background: linear-gradient(160deg, rgba(0, 200, 255, 0.08), rgba(17, 24, 39, 0.6));
  border-color: rgba(0, 200, 255, 0.3);
  display: flex;
  align-items: center;
}

.page-about .philosophy-card--quote blockquote {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
  position: relative;
  padding-left: 18px;
}

.page-about .philosophy-card--quote blockquote::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--green);
  border-radius: 2px;
}

/* Team */
.page-about .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .team-card {
  background: var(--bg-card);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .team-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 200, 255, 0.35);
}

.page-about .team-card--security {
  border-color: rgba(57, 255, 136, 0.3);
}

.page-about .team-card .card__tag {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--blue);
  border: 1px solid var(--grid);
  border-radius: 3px;
  padding: 3px 8px;
  display: inline-block;
}

.page-about .team-card__title {
  font-size: 18px;
  font-weight: 800;
  margin: 10px 0 12px;
}

.page-about .team-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  margin: 0;
}

.page-about .cert-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .cert-list__item {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  padding: 10px 14px;
  background: rgba(57, 255, 136, 0.05);
  border: 1px solid rgba(57, 255, 136, 0.25);
  border-radius: var(--radius);
}

/* Trust */
.page-about .about-trust {
  margin: 56px 0 0;
  padding: 28px 0 48px;
}

.page-about .about-trust {
  background: linear-gradient(160deg, rgba(0, 200, 255, 0.06), transparent);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

.page-about .about-trust p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  max-width: 72ch;
}

.page-about .about-trust .btn {
  text-decoration: none;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    grid-template-columns: 6fr 4fr;
    align-items: end;
    padding: 72px 0 88px;
  }

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

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

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

  .page-about .timeline-card--featured {
    grid-column: 1 / -1;
    grid-template-columns: 300px 1fr;
    align-items: center;
  }

  .page-about .lab-wrap {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

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

  .page-about .philosophy-card--image {
    padding: 0;
  }

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

@media (min-width: 1024px) {
  .page-about .container {
    max-width: 1200px;
    padding: 0 32px 0 32px;
  }

  .page-about .about-hero__title {
    font-size: 52px;
  }

  .page-about .section-head__title {
    font-size: 32px;
  }

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

  .page-about .timeline-card--featured {
    grid-column: 1 / -1;
  }

  .page-about .philosophy-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-about .philosophy-card--image {
    grid-column: span 2;
    grid-row: span 2;
  }

  .page-about .philosophy-card:not(.philosophy-card--image) {
    grid-column: span 3;
  }

  .page-about .philosophy-card--quote {
    grid-column: 3 / -1;
  }

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

  .page-about .team-card--security {
    grid-column: span 1;
  }
}