.page-about {
  --about-grid-line: rgba(192, 192, 192, 0.14);
  --about-accent-glow: rgba(57, 255, 20, 0.32);
}

.page-about__hero {
  position: relative;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(90deg, var(--about-grid-line) 0 1px, transparent 1px 84px),
    repeating-linear-gradient(0deg, var(--about-grid-line) 0 1px, transparent 1px 84px),
    linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-primary) 74%, var(--color-bg-deep) 100%);
}

.page-about__hero .breadcrumb {
  margin-bottom: 2.25rem;
}

.page-about__hero-grid {
  display: grid;
  gap: 2.25rem;
}

.page-about__hero-copy h1 {
  margin: 0.6rem 0 1.1rem;
  font-family: var(--font-headline);
  font-size: clamp(2.1rem, 6.4vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-on-dark);
}

.page-about__hero-lead {
  max-width: 62ch;
  margin-bottom: 1.9rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.page-about__hero-panel {
  min-width: 0;
}

.page-about__frame {
  position: relative;
  padding: 1.5rem;
  border: 1px solid rgba(192, 192, 192, 0.35);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
}

.page-about__frame::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(192, 192, 192, 0.2);
  border-radius: calc(var(--radius-lg) - 7px);
  pointer-events: none;
}

.page-about__frame-label {
  margin-bottom: 1.25rem;
  font-family: var(--font-data);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-about__frame-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.25rem;
}

.page-about .metric-value {
  display: block;
  font-family: var(--font-data);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-accent);
}

.page-about .metric-label {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--font-body);
  font-size: 0.84rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.68);
}

.page-about__timeline-section {
  background-image:
    radial-gradient(circle at 12% 18%, rgba(59, 31, 122, 0.08) 0%, transparent 38%),
    linear-gradient(180deg, var(--color-bg-light), var(--color-surface));
}

.page-about__timeline-wrap {
  display: grid;
  gap: 2.25rem;
  margin-top: 2rem;
}

.page-about__timeline-visual,
.page-about__vision-img,
.page-about__capability-media {
  margin: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.page-about__timeline-visual {
  aspect-ratio: 3 / 4;
  background: var(--color-bg-dark);
}

.page-about__vision-img {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-light);
}

.page-about__capability-media {
  aspect-ratio: 3 / 2;
  background: var(--color-bg-deep);
}

.page-about__timeline-visual img,
.page-about__vision-img img,
.page-about__capability-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about__timeline {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline-time {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.8rem;
  border: 1px solid rgba(192, 192, 192, 0.4);
  border-radius: var(--radius-pill);
  background: rgba(59, 31, 122, 0.06);
  font-family: var(--font-data);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-about .timeline-item h3 {
  margin: 0.5rem 0 0.3rem;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--color-text-on-light);
}

.page-about .timeline-item p {
  margin: 0;
  font-family: var(--font-body);
  line-height: 1.75;
  color: var(--color-text-muted);
}

.page-about__capabilities {
  background-image:
    radial-gradient(circle at 86% 18%, var(--about-accent-glow) 0%, transparent 34%),
    linear-gradient(155deg, var(--color-primary) 0%, var(--color-bg-deep) 100%);
}

.page-about__capability-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.page-about__capability-tabs {
  padding: 1.5rem;
  border: 1px solid rgba(192, 192, 192, 0.2);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.05);
}

.page-about__capability-tabs .tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .tab-button {
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(192, 192, 192, 0.35);
  border-radius: var(--radius-pill);
  background: transparent;
  color: rgba(255, 255, 255, 0.75);
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-about .tab-button[aria-selected="true"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg-deep);
}

.page-about .tab-button:hover,
.page-about .tab-button:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-text-on-dark);
}

.page-about .tab-button[aria-selected="true"]:hover,
.page-about .tab-button[aria-selected="true"]:focus-visible {
  color: var(--color-bg-deep);
}

.page-about .tab-panel {
  margin-top: 1.3rem;
}

.page-about .tab-panel h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-headline);
  font-size: 1.45rem;
  line-height: 1.3;
  color: var(--color-text-on-dark);
}

.page-about .tab-panel p {
  font-family: var(--font-body);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.72);
}

.page-about__reputation {
  background-image:
    repeating-linear-gradient(90deg, rgba(26, 15, 46, 0.035) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, var(--color-surface), var(--color-bg-light));
}

.page-about__reputation-grid {
  display: grid;
  gap: 1.25rem;
}

.page-about__big-card {
  padding: 1.6rem;
}

.page-about__big-num {
  margin: 1rem 0 0.6rem;
  font-family: var(--font-headline);
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  line-height: 1.08;
  color: var(--color-primary);
}

.page-about__trust-row {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.page-about__trust-row .card {
  padding: 1.4rem;
}

.page-about__trust-row p {
  line-height: 1.75;
  color: var(--color-text-muted);
}

.page-about__vision {
  display: grid;
  gap: 1.75rem;
  margin-top: 3rem;
}

.page-about__vision-copy .eyebrow {
  margin-bottom: 0.35rem;
}

.page-about__vision-copy h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-headline);
  font-size: clamp(1.6rem, 3.6vw, 2.2rem);
  line-height: 1.25;
  color: var(--color-primary);
}

.page-about__vision-copy p {
  font-family: var(--font-body);
  line-height: 1.8;
  color: var(--color-text-on-light);
}

.page-about__vision-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

@media (min-width: 900px) {
  .page-about__hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
  }

  .page-about__timeline-wrap {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-about__capability-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-about__reputation-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about__trust-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about__vision {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: center;
  }
}