.page-about {
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(900px 420px at 88% -2%, rgba(0, 212, 255, 0.1), transparent 60%),
    radial-gradient(720px 380px at -8% 18%, rgba(255, 106, 0, 0.08), transparent 55%),
    linear-gradient(180deg, #0B1F3A 0%, #071A2B 42%, #071A2B 100%);
  color: var(--color-light);
}

.page-about .breadcrumb {
  padding: 1.25rem 1rem 0;
}

.page-about [data-hidden] {
  display: none;
}

.page-about .about-hero {
  position: relative;
  z-index: 1;
  padding: clamp(2.25rem, 6vw, 4.5rem) 0 2rem;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  top: -2rem;
  right: -12%;
  width: 48%;
  height: 86%;
  background: linear-gradient(135deg, transparent 0%, transparent 42%, rgba(0, 212, 255, 0.05) 43%, rgba(255, 106, 0, 0.06) 100%);
  clip-path: polygon(100% 0, 100% 100%, 42% 100%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: end;
}

.page-about .about-hero__eyebrow {
  font-size: var(--fs-sm);
  letter-spacing: 0.14em;
  color: var(--color-cyan);
}

.page-about .about-hero__title {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 800;
  line-height: 1.16;
  margin: var(--space-md) 0 0;
  color: var(--color-white);
  text-wrap: balance;
}

.page-about .about-hero__lead {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-accent);
  margin: var(--space-sm) 0 0;
  letter-spacing: 0.02em;
}

.page-about .about-hero__desc {
  max-width: 43rem;
  margin-top: var(--space-md);
  color: var(--color-mist);
  line-height: 1.75;
}

.page-about .about-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.page-about .about-hero__index {
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  background: rgba(245, 247, 250, 0.04);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}

.page-about .about-hero__index-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--color-silver);
  text-transform: uppercase;
  margin: 0;
}

.page-about .about-hero__index-list {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  counter-reset: aboutIndex;
}

.page-about .about-hero__index-list li {
  counter-increment: aboutIndex;
  border-bottom: 1px dashed rgba(192, 200, 208, 0.22);
}

.page-about .about-hero__index-list li:last-child {
  border-bottom: 0;
}

.page-about .about-hero__index-list a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--color-white);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--trans-fast);
}

.page-about .about-hero__index-list a::before {
  content: counter(aboutIndex, decimal-leading-zero);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-xs);
  color: var(--color-accent);
}

.page-about .about-hero__index-list a:hover,
.page-about .about-hero__index-list a:focus-visible {
  color: var(--color-cyan);
}

.page-about .about-hero__stats {
  grid-template-columns: 1fr 1fr;
  margin-top: var(--space-xl);
}

.page-about .about-hero__stats .stat-card {
  border: var(--border-hair);
  border-radius: var(--radius);
  background: rgba(245, 247, 250, 0.04);
  padding: var(--space-md);
  min-width: 0;
}

.page-about .about-hero__stats .stat-card__label {
  font-size: var(--fs-xs);
  color: var(--color-mist);
  letter-spacing: 0.06em;
}

.page-about .about-hero__stats .stat-card__number {
  margin-top: var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1.2;
  word-break: break-word;
}

.page-about .about-hero__stats .stat-card__trend {
  margin-top: var(--space-xs);
  font-size: var(--fs-xs);
  color: var(--color-cyan);
}

.page-about .about-story,
.page-about .about-certifications,
.page-about .about-ecosystem,
.page-about .about-culture {
  padding: 4rem 0;
}

.page-about .about-milestones {
  position: relative;
  padding: 4.5rem 0;
  background: rgba(7, 26, 43, 0.92);
  border-top: var(--border-hair);
  border-bottom: var(--border-hair);
  overflow: hidden;
}

.page-about .about-milestones::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 106, 0, 0.16), transparent 55%);
  clip-path: polygon(0 0, 68% 0, 42% 100%, 0 100%);
  pointer-events: none;
}

.page-about .about-milestones__inner {
  position: relative;
  z-index: 1;
}

.page-about .section-heading {
  position: relative;
  padding-left: 1.25rem;
}

.page-about .section-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 3px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-cyan));
  transform: skewX(-12deg);
}

.page-about .section-heading__title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 800;
  color: var(--color-white);
  margin: var(--space-xs) 0 0;
}

.page-about .section-heading__desc {
  margin-top: var(--space-xs);
  max-width: 38rem;
  color: var(--color-mist);
  line-height: 1.7;
}

.page-about .about-story__chips {
  margin-top: var(--space-lg);
}

.page-about .about-story__grid {
  display: grid;
  gap: var(--space-2xl);
  margin-top: var(--space-lg);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 0.875rem;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-cyan) 8%, var(--color-silver) 92%, transparent);
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 3rem;
  min-width: 0;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0.875rem;
  top: 0.6rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-dark);
  box-shadow: 0 0 0 2px rgba(255, 106, 0, 0.35);
  transform: translateX(-50%);
  transition: transform var(--trans-base), box-shadow var(--trans-base);
}

.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-within::before {
  transform: translateX(-50%) scale(1.25);
  box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.3);
}

.page-about .about-timeline__card {
  border: var(--border-hair);
  border-left: 2px solid var(--color-accent);
  border-radius: var(--radius);
  padding: var(--space-md);
  background: rgba(245, 247, 250, 0.04);
  transition: background var(--trans-base), transform var(--trans-base);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  background: rgba(245, 247, 250, 0.08);
}

.page-about .about-timeline__version {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.page-about .about-timeline__title {
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--color-white);
  margin: 0;
}

.page-about .about-timeline__desc {
  margin: var(--space-xs) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-mist);
  line-height: 1.7;
}

.page-about .about-timeline__details {
  margin-top: var(--space-sm);
  font-size: var(--fs-sm);
}

.page-about .about-timeline__details summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--color-cyan);
  display: inline-flex;
  align-items: center;
  transition: color var(--trans-fast);
}

.page-about .about-timeline__details summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline__details summary::before {
  content: "+";
  display: inline-block;
  width: 1.1rem;
  font-weight: 800;
  color: var(--color-accent);
  transition: transform var(--trans-fast);
}

.page-about .about-timeline__details[open] summary::before {
  transform: rotate(45deg);
}

.page-about .about-timeline__details ul {
  margin: var(--space-sm) 0 0;
  padding-left: 1.25rem;
  color: var(--color-mist);
  line-height: 1.8;
}

.page-about .about-aside {
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  background: linear-gradient(160deg, rgba(255, 106, 0, 0.1), rgba(0, 212, 255, 0.04));
  box-shadow: var(--shadow-md);
}

.page-about .about-aside__kicker {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin: 0;
}

.page-about .about-aside__list {
  margin: var(--space-md) 0 0;
  padding: 0;
  display: grid;
  gap: 0.625rem;
}

.page-about .about-aside__list div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-bottom: 0.625rem;
  border-bottom: 1px dashed rgba(192, 200, 208, 0.22);
}

.page-about .about-aside__list dt {
  font-size: var(--fs-xs);
  color: var(--color-mist);
}

.page-about .about-aside__list dd {
  margin: 0;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-white);
  text-align: right;
}

.page-about .about-aside__figure {
  display: block;
  margin: var(--space-md) 0 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--border-hair);
}

.page-about .about-aside__figure img,
.page-about .about-ecosystem__figure img,
.page-about .about-culture__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-aside__caption {
  margin-top: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-mist);
  line-height: 1.6;
}

.page-about .about-aside__more {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-cyan);
  text-decoration: none;
}

.page-about .about-aside__more:hover {
  color: var(--color-accent);
}

.page-about .about-milestones__grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

.page-about .about-milestones__panel {
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(245, 247, 250, 0.06), rgba(245, 247, 250, 0.02));
  padding: var(--space-lg);
  min-width: 0;
}

.page-about .about-milestones__panel-title {
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--color-white);
  margin: 0;
}

.page-about .about-milestones__intro {
  margin: var(--space-xs) 0 0;
  color: var(--color-mist);
  font-size: var(--fs-sm);
  line-height: 1.65;
}

.page-about .about-compact {
  margin-top: var(--space-md);
  display: grid;
  gap: var(--space-sm);
}

.page-about .about-compact__bar {
  display: grid;
  grid-template-columns: minmax(6rem, 1fr) minmax(5rem, 1.6fr) auto;
  align-items: center;
  gap: var(--space-sm);
}

.page-about .about-compact__bar-label {
  font-size: var(--fs-xs);
  color: var(--color-white);
  font-weight: 600;
}

.page-about .about-compact__bar-track {
  display: block;
  height: 0.5rem;
  border-radius: 999rem;
  background: rgba(192, 200, 208, 0.18);
  overflow: hidden;
}

.page-about .about-compact__bar-track .data-bar__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-accent), var(--color-cyan));
}

.page-about .about-compact__bar-value {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 800;
  color: var(--color-cyan);
}

.page-about .about-milestones__note {
  margin-top: var(--space-md);
  font-size: var(--fs-xs);
  color: var(--color-mist);
  line-height: 1.6;
}

.page-about .about-milestones__list {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.page-about .about-milestones__list li {
  display: grid;
  gap: 0.25rem;
  padding: var(--space-sm) var(--space-md);
  border-left: 2px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(245, 247, 250, 0.04);
}

.page-about .about-milestones__list strong {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 800;
  color: var(--color-white);
}

.page-about .about-milestones__list span {
  font-size: var(--fs-sm);
  color: var(--color-mist);
  line-height: 1.6;
}

.page-about .about-milestones__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.page-about .about-certifications__grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.page-about .about-certifications__card {
  border: var(--border-hair);
  border-top: 2px solid var(--color-accent);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(245, 247, 250, 0.07), rgba(245, 247, 250, 0.03));
  padding: var(--space-lg);
  min-width: 0;
  transition: transform var(--trans-base), border-color var(--trans-base);
}

.page-about .about-certifications__card:hover {
  transform: translateY(-4px);
  border-color: var(--color-cyan);
}

.page-about .about-certifications__badge {
  width: 2.75rem;
  height: 2.75rem;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 106, 0, 0.14);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.page-about .about-certifications__icon {
  width: 1.5rem;
  height: 1.5rem;
}

.page-about .about-certifications__card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--color-white);
  margin: 0;
}

.page-about .about-certifications__card p {
  margin: var(--space-xs) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-mist);
  line-height: 1.7;
}

.page-about .about-certifications__meta {
  font-size: var(--fs-xs);
  color: var(--color-cyan);
  margin-top: var(--space-sm);
}

.page-about .about-ecosystem {
  background: radial-gradient(800px 480px at 15% 0%, rgba(0, 212, 255, 0.08), transparent 60%);
}

.page-about .about-ecosystem__grid {
  display: grid;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
}

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

.page-about .about-ecosystem__svg {
  display: block;
  width: 100%;
  height: auto;
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  background: rgba(7, 26, 43, 0.6);
}

.page-about .about-ecosystem__node rect {
  fill: rgba(11, 31, 58, 0.9);
  stroke: var(--color-silver);
  stroke-width: 1;
}

.page-about .about-ecosystem__node text {
  fill: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-heading);
}

.page-about .about-ecosystem__node .about-ecosystem__node-sub {
  fill: var(--color-mist);
  font-size: 11px;
  font-weight: 400;
  font-family: var(--font-body);
}

.page-about .about-ecosystem__chart-note {
  margin-top: var(--space-sm);
  font-size: var(--fs-xs);
  color: var(--color-mist);
  line-height: 1.6;
  text-align: center;
}

.page-about .about-ecosystem__content h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--color-white);
  margin: 0;
}

.page-about .about-ecosystem__content > p {
  margin: var(--space-sm) 0 0;
  color: var(--color-mist);
  line-height: 1.75;
}

.page-about .about-ecosystem__stats {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.page-about .about-ecosystem__stat {
  border: var(--border-hair);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  background: rgba(245, 247, 250, 0.04);
  min-width: 0;
}

.page-about .about-ecosystem__stat dt {
  font-size: var(--fs-xs);
  color: var(--color-mist);
}

.page-about .about-ecosystem__stat dd {
  margin: var(--space-xs) 0 0;
}

.page-about .about-ecosystem__stat strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--color-accent);
}

.page-about .about-ecosystem__stat span {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--fs-xs);
  color: var(--color-mist);
}

.page-about .about-ecosystem__figure {
  display: block;
  margin: var(--space-lg) 0 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-hair);
}

.page-about .about-culture__inner {
  display: grid;
  gap: var(--space-2xl);
}

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

.page-about .about-culture__frame {
  display: block;
  aspect-ratio: 10 / 7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-hair);
}

.page-about .about-culture__lead {
  margin: var(--space-md) 0 0;
  color: var(--color-mist);
  line-height: 1.75;
}

.page-about .about-culture__values {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.page-about .about-culture__values li {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-left: 2px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(245, 247, 250, 0.04);
}

.page-about .about-culture__values strong {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 800;
  color: var(--color-white);
  display: inline-block;
  margin-right: var(--space-xs);
}

.page-about .about-culture__values span {
  font-size: var(--fs-sm);
  color: var(--color-mist);
}

.page-about .about-culture__numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.page-about .about-culture__number {
  border: var(--border-hair);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
  background: rgba(245, 247, 250, 0.04);
  text-align: center;
}

.page-about .about-culture__number strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--color-cyan);
}

.page-about .about-culture__number span {
  display: block;
  margin-top: 0.2rem;
  font-size: var(--fs-xs);
  color: var(--color-mist);
}

.page-about .about-culture__cta {
  margin-top: var(--space-lg);
}

@media (min-width: 640px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

@media (min-width: 768px) {
  .page-about .breadcrumb {
    padding: 1.5rem 1.5rem 0;
  }

  .page-about .about-hero {
    padding: clamp(3rem, 8vw, 5.5rem) 0 2.5rem;
  }

  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.75fr);
    column-gap: 5rem;
  }

  .page-about .about-hero__title {
    font-size: var(--fs-3xl);
  }

  .page-about .about-story,
  .page-about .about-certifications,
  .page-about .about-ecosystem,
  .page-about .about-culture {
    padding: 5rem 0;
  }

  .page-about .about-milestones {
    padding: 5.5rem 0;
  }

  .page-about .section-heading__title {
    font-size: var(--fs-2xl);
  }

  .page-about .about-timeline__card {
    padding: var(--space-md) var(--space-lg);
  }
}

@media (min-width: 900px) {
  .page-about .about-story__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.42fr);
    column-gap: var(--space-2xl);
    align-items: start;
  }

  .page-about .about-milestones__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: var(--space-xl);
  }

  .page-about .about-ecosystem__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    column-gap: var(--space-xl);
    align-items: start;
  }

  .page-about .about-culture__inner {
    grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
    column-gap: var(--space-2xl);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero__title {
    font-size: var(--fs-display);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline__item::before,
  .page-about .about-timeline__card,
  .page-about .about-certifications__card,
  .page-about .about-hero__index-list a,
  .page-about .about-aside__more {
    transition: none;
  }
}