.page-about {
  background: var(--color-primary);
  color: var(--color-text);
  overflow-x: hidden;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-headline);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.page-about article,
.page-about figure {
  margin: 0;
}

.page-about .breadcrumb {
  margin-bottom: 2rem;
}

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

.page-about .section__label {
  font-family: var(--font-data);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}

.page-about__hero {
  position: relative;
  padding: 4rem 0 4.5rem;
  background:
    radial-gradient(ellipse at 78% 18%, rgba(46, 91, 255, 0.26), transparent 52%),
    radial-gradient(ellipse at 12% 82%, rgba(245, 184, 31, 0.12), transparent 42%),
    var(--color-bg);
  overflow: hidden;
}

.page-about__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 22% 28%, rgba(244, 247, 251, 0.52), transparent),
    radial-gradient(1px 1px at 68% 62%, rgba(244, 247, 251, 0.4), transparent),
    radial-gradient(1.5px 1.5px at 38% 86%, rgba(245, 184, 31, 0.5), transparent),
    radial-gradient(1px 1px at 84% 34%, rgba(244, 247, 251, 0.3), transparent);
  background-size: 210px 210px;
  opacity: 0.45;
  pointer-events: none;
}

.page-about__hero-inner {
  position: relative;
  z-index: 1;
}

.page-about__hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.page-about__hero-label {
  font-family: var(--font-data);
  font-size: 0.82rem;
  letter-spacing: 0.24em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.page-about__hero-content h1 {
  font-size: var(--h1);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.page-about__hero-desc {
  font-size: var(--body);
  line-height: 1.7;
  color: var(--color-text-dim);
  max-width: 30rem;
  margin: 0 0 2rem;
}

.page-about__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.75rem 2.25rem;
  align-items: baseline;
}

.page-about__hero-stat .data-number {
  font-family: var(--font-data);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  display: block;
}

.page-about__hero-stat .data-label {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  display: block;
  margin-top: 0.35rem;
}

.page-about__hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  border: var(--border-fine);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
}

.page-about__origin {
  padding: 4.5rem 0;
  background: var(--color-primary);
  border-top: var(--border-fine);
}

.page-about__origin-grid {
  gap: 2.5rem;
}

.page-about__origin-intro h2,
.page-about__milestones-head h2,
.page-about__values-head h2,
.page-about__certified-copy h2 {
  font-size: var(--h2);
  font-weight: 900;
}

.page-about__origin-intro .section__desc,
.page-about__milestones-head .section__desc,
.page-about__values-head .section__desc {
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: var(--body);
  margin: 0;
}

.page-about__origin-note {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
  margin: 1.5rem 0 0;
}

.page-about__origin-body {
  color: var(--color-text-dim);
  line-height: 1.75;
  font-size: var(--body);
}

.page-about__origin-body p {
  margin: 0 0 1.25rem;
}

.page-about__highlight {
  color: var(--color-accent);
  font-weight: 700;
}

.page-about__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: var(--border-gold);
}

.page-about__facts .data-number {
  font-family: var(--font-data);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  display: block;
  line-height: 1;
}

.page-about__facts .data-label {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-top: 0.3rem;
}

.page-about__milestones {
  position: relative;
  padding: 4.5rem 0;
  background:
    radial-gradient(ellipse at 20% 12%, rgba(46, 91, 255, 0.18), transparent 48%),
    radial-gradient(ellipse at 90% 78%, rgba(245, 184, 31, 0.08), transparent 36%),
    var(--color-bg);
  border-top: var(--border-fine);
}

.page-about__milestones-head {
  margin-bottom: 3rem;
}

.page-about__timeline {
  position: relative;
  display: grid;
  gap: 2rem;
}

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

.page-about__timeline-items {
  display: grid;
  gap: 2.75rem;
}

.page-about__timeline-item {
  position: relative;
  padding-left: 1.4rem;
  border-left: 2px solid rgba(245, 184, 31, 0.4);
}

.page-about__timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.2rem;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 16px rgba(245, 184, 31, 0.7);
  z-index: 2;
}

.page-about__timeline-marker {
  font-family: var(--font-data);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.page-about__timeline-item h3 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.page-about__timeline-item p {
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-about__timeline-figure {
  margin: 0.5rem 0 0.5rem 1.4rem;
}

.page-about__timeline-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: var(--border-fine);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
}

.page-about__timeline-figure figcaption {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  padding-top: 0.75rem;
  line-height: 1.5;
}

.page-about__values {
  padding: 4.5rem 0;
  background: var(--color-primary);
  border-top: var(--border-fine);
}

.page-about__values-head {
  margin-bottom: 3rem;
  max-width: 46rem;
}

.page-about__value-grid {
  margin-bottom: 3rem;
  gap: 1.25rem;
}

.page-about__value-item {
  background: rgba(244, 247, 251, 0.04);
  border: var(--border-fine);
  border-top: 2px solid var(--color-accent);
  padding: 2rem 1.5rem;
  transition: background 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about__value-item:hover {
  background: rgba(245, 184, 31, 0.08);
  transform: translateY(-4px);
}

.page-about__value-index {
  font-family: var(--font-data);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.page-about__value-item h3 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.page-about__value-item p {
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-about__value-metric {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: var(--border-fine);
}

.page-about__value-metric .data-number {
  font-family: var(--font-data);
  font-size: 2.25rem;
  color: var(--color-accent);
  display: block;
  line-height: 1;
}

.page-about__value-metric .data-label {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-top: 0.3rem;
}

.page-about__values-figure {
  margin: 0;
}

.page-about__values-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: var(--border-fine);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
}

.page-about__certified {
  padding: 4.5rem 0;
  background:
    radial-gradient(ellipse at 82% 16%, rgba(245, 184, 31, 0.14), transparent 48%),
    radial-gradient(ellipse at 12% 88%, rgba(46, 91, 255, 0.2), transparent 42%),
    var(--color-bg);
  border-top: var(--border-fine);
}

.page-about__certified-grid {
  gap: 2.5rem;
  align-items: center;
}

.page-about__certified-copy .tag {
  margin-bottom: 1rem;
}

.page-about__certified-copy p {
  color: var(--color-text-dim);
  line-height: 1.7;
  font-size: var(--body);
  margin-bottom: 1.25rem;
}

.page-about__certified-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about__certified-specs {
  margin-top: 1rem;
}

.page-about__spec-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: var(--border-fine);
}

.page-about__spec-row:last-child {
  border-bottom: none;
}

.page-about__spec-row .study-board__term {
  color: var(--color-accent);
}

.page-about__cta {
  padding: 4rem 0;
  background: var(--color-primary);
  border-top: var(--border-fine);
}

.page-about__cta-inner {
  text-align: center;
  max-width: 38rem;
  margin: 0 auto;
}

.page-about__cta h2 {
  font-size: var(--h3);
  font-weight: 900;
}

.page-about__cta p {
  color: var(--color-text-dim);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .page-about__hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
  }

  .page-about__hero-visual {
    order: -1;
  }

  .page-about__origin-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3.5rem;
    align-items: start;
  }

  .page-about__timeline {
    grid-template-columns: 44px 1fr;
    gap: 0;
  }

  .page-about__timeline-rail {
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 44px;
  }

  .page-about__timeline-svg {
    width: 44px;
    height: 100%;
    display: block;
  }

  .page-about__timeline-items {
    grid-column: 2;
  }

  .page-about__timeline-figure {
    margin-left: 1.4rem;
  }

  .page-about__value-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .page-about__certified-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
  }

  .page-about__certified-specs {
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about__value-item:hover {
    transform: none;
  }
}