.page-about {
  --about-grid-line: rgba(0, 240, 255, 0.055);
  --about-slice: 20px;
  --about-glow-violet: 0 0 22px rgba(123, 47, 190, 0.5);
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg);
}
.page-about .about-hero {
  position: relative;
  padding: var(--space-5) var(--space-3) var(--space-6);
  background:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px),
    radial-gradient(720px 320px at 82% 6%, rgba(123, 47, 190, 0.32), transparent 70%);
  background-size: 34px 34px, 34px 34px, auto;
  overflow: hidden;
}
.page-about .about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-cyan) 45%, transparent 100%);
  z-index: 2;
}
.page-about .about-hero::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-cyan) 30%, transparent 80%);
  z-index: 2;
}
.page-about .about-hero__inner {
  display: grid;
  gap: var(--space-5);
  position: relative;
  z-index: 1;
}
.page-about .about-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.page-about .about-hero .breadcrumb {
  margin-bottom: var(--space-1);
}
.page-about .about-hero__lead {
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-2);
  max-width: 46ch;
}
.page-about .about-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.page-about .about-hero__meta span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cyan);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  background: rgba(0, 240, 255, 0.05);
  letter-spacing: 0.02em;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.page-about .about-hero__media {
  position: relative;
  margin: 0;
}
.page-about .about-hero__media::after {
  content: '';
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-slice)), calc(100% - var(--about-slice)) 100%, 0 100%);
  z-index: -1;
}
.page-about .about-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 960 / 540;
  object-fit: cover;
  border: 1px solid var(--color-border);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--about-slice)), calc(100% - var(--about-slice)) 100%, 0 100%);
}

.page-about .about-story,
.page-about .about-milestones,
.page-about .about-capabilities,
.page-about .about-quality {
  padding: var(--space-6) var(--space-3) var(--space-5);
  scroll-margin-top: var(--space-5);
}

.page-about .about-story__grid {
  display: grid;
  gap: var(--space-5);
  margin-top: var(--space-4);
}
.page-about .about-story__main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}
.page-about .about-story__intro {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-text);
  margin: 0;
}
.page-about .about-story__main p {
  line-height: 1.8;
  color: var(--color-text-muted);
  margin: 0;
}
.page-about .about-story__aside {
  position: relative;
}
.page-about .about-story__card {
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  padding: var(--space-4);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-shadow: var(--about-glow-violet);
}
.page-about .about-story__card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 28px;
  height: 28px;
  border-top: 3px solid var(--color-accent);
  border-left: 3px solid var(--color-accent);
}
.page-about .about-story__card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--color-cyan);
  margin: 0 0 var(--space-1);
}
.page-about .about-story__card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-story__card li {
  padding: var(--space-2) 0;
  border-bottom: 1px dashed rgba(0, 240, 255, 0.18);
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  position: relative;
  padding-left: 22px;
}
.page-about .about-story__card li::before {
  content: '◤';
  position: absolute;
  left: 0;
  top: 0.35rem;
  font-size: 0.7rem;
  color: var(--color-primary);
}

.page-about .section-heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  position: relative;
  padding-left: var(--space-4);
}
.page-about .section-heading::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 4px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-cyan));
}
.page-about .section-heading__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  text-transform: uppercase;
}
.page-about .section-heading__title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--color-text);
  text-shadow: var(--glow-title);
  margin: 0;
}
.page-about .section-heading__desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin: var(--space-1) 0 0;
}

.page-about .about-timeline {
  position: relative;
  padding-left: 64px;
  margin-top: var(--space-5);
}
.page-about .about-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-cyan) 55%, var(--color-accent) 100%);
  opacity: 0.6;
}
.page-about .about-timeline__item {
  position: relative;
  margin-bottom: var(--space-5);
}
.page-about .about-timeline__item:last-child {
  margin-bottom: 0;
}
.page-about .about-timeline__marker {
  position: absolute;
  left: -64px;
  top: 6px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: var(--color-bg);
  border: 2px solid var(--color-cyan);
  border-radius: 50%;
  box-shadow: var(--neon-cyan);
}
.page-about .about-timeline__item--current .about-timeline__marker {
  left: -68px;
  top: 3px;
  width: 38px;
  height: 38px;
  background: var(--color-primary-deep);
  color: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(57, 255, 20, 0.1), var(--neon-cyan);
  font-size: 0.78rem;
}
.page-about .about-timeline__card {
  position: relative;
  padding: var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-cyan);
}
.page-about .about-timeline__item--current .about-timeline__card {
  border-left-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(123, 47, 190, 0.22), var(--color-bg-elevated));
  box-shadow: var(--neon-violet);
}
.page-about .about-timeline__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}
.page-about .about-timeline__card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-2);
  color: var(--color-text);
}
.page-about .about-timeline__card p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}
.page-about .about-timeline__media {
  margin: var(--space-6) 0 0;
  position: relative;
}
.page-about .about-timeline__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 600 / 400;
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(123, 47, 190, 0.3), rgba(0, 240, 255, 0.1));
}

.page-about .about-capabilities__grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.page-about .about-capability-card {
  position: relative;
  padding: var(--space-5) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}
.page-about .about-capability-card::before {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 32px;
  height: 32px;
  border-top: 3px solid var(--color-accent);
  border-right: 3px solid var(--color-accent);
  z-index: 1;
}
.page-about .about-capability-card:hover,
.page-about .about-capability-card:focus-within {
  border-color: rgba(0, 240, 255, 0.45);
  box-shadow: var(--neon-cyan);
  transform: translateY(-4px);
}
.page-about .about-capability-card__num {
  display: block;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-accent);
  text-shadow: 0 0 18px rgba(57, 255, 20, 0.35);
  margin-bottom: var(--space-2);
}
.page-about .about-capability-card__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.page-about .about-capability-card__note {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin: 0;
}
.page-about .about-capabilities__media {
  margin: var(--space-5) 0 0;
}
.page-about .about-capabilities__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 500 / 300;
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(123, 47, 190, 0.28), rgba(0, 240, 255, 0.12));
}

.page-about .about-quality__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.page-about .about-quality__card {
  position: relative;
  padding: var(--space-5);
  background: linear-gradient(180deg, rgba(123, 47, 190, 0.14), rgba(26, 42, 74, 0.9));
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
}
.page-about .about-quality__card::after {
  content: '';
  position: absolute;
  right: -28px;
  top: -28px;
  width: 80px;
  height: 80px;
  border-right: 2px solid rgba(0, 240, 255, 0.35);
  border-top: 2px solid rgba(0, 240, 255, 0.35);
  transform: rotate(45deg);
}
.page-about .about-quality__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-accent);
  border: 1px solid rgba(57, 255, 20, 0.4);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.15);
  background: rgba(57, 255, 20, 0.06);
}
.page-about .about-quality__card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  margin: var(--space-2) 0 0;
  color: var(--color-text);
}
.page-about .about-quality__card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-2);
}

.page-about .about-trust {
  border-top: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-bg-deep) 65%);
  padding: var(--space-6) var(--space-3);
}
.page-about .about-trust__inner {
  display: grid;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
  max-width: 760px;
}
.page-about .about-trust p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text-muted);
  margin: 0;
}

.page-about [data-reveal] {
  will-change: opacity, transform;
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: var(--space-7) var(--space-4) var(--space-8);
  }
  .page-about .about-hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--space-6);
  }
  .page-about .about-hero__actions {
    gap: var(--space-4);
  }

  .page-about .about-story,
  .page-about .about-milestones,
  .page-about .about-capabilities,
  .page-about .about-quality {
    padding: var(--space-8) var(--space-4);
  }

  .page-about .about-story__grid {
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-6);
    align-items: start;
  }
  .page-about .about-story__aside {
    position: sticky;
    top: var(--space-5);
  }

  .page-about .section-heading__title {
    font-size: 2.1rem;
  }

  .page-about .about-capabilities__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-top: var(--space-5);
  }
  .page-about .about-capability-card__num {
    font-size: 3rem;
  }
  .page-about .about-capabilities__media {
    margin-top: var(--space-6);
  }

  .page-about .about-quality__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-5);
  }

  .page-about .about-trust {
    padding: var(--space-7) var(--space-4);
  }
  .page-about .about-trust__inner {
    grid-template-columns: 1fr auto;
    text-align: left;
    gap: var(--space-5);
  }
}