.page-about {
  --about-cut: 14px;
  --about-cut-lg: 24px;
  position: relative;
  color: var(--color-text);
  background:
    radial-gradient(circle at 15% 20%, rgba(123, 97, 255, 0.08), transparent 32%),
    linear-gradient(rgba(0, 212, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.035) 1px, transparent 1px),
    var(--color-bg);
  background-size: auto, 44px 44px, 44px 44px, auto;
}

.page-about dl,
.page-about dd,
.page-about ul,
.page-about ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 24px;
  padding-bottom: 40px;
}

.page-about .section-head {
  margin-bottom: 20px;
}

.about-rail__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: center;
  padding: 18px;
  background:
    linear-gradient(135deg, rgba(0, 255, 156, 0.1), transparent 42%),
    var(--color-surface);
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - var(--about-cut)) 0, 100% var(--about-cut), 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}

.about-rail__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  grid-column: 1 / -1;
}

.about-rail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  grid-column: 1 / -1;
}

.about-rail__link {
  position: relative;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  text-decoration: none;
}

.about-rail__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 16px;
  height: 2px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 0.2s ease, width 0.2s ease;
}

.about-rail__link:hover::after,
.about-rail__link:focus-visible::after {
  opacity: 1;
  width: 100%;
}

.about-rail__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  grid-column: 1 / -1;
}

.about-rail__stats div {
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.16);
  border-left: 2px solid var(--color-info);
}

.about-rail__stats dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.about-rail__stats dd {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 2px;
}

.about-rail__cta {
  grid-column: 1 / -1;
  justify-content: center;
}

.about-content {
  min-width: 0;
}

.about-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px);
  background-color: var(--color-bg);
  clip-path: polygon(0 0, calc(100% - var(--about-cut-lg)) 0, 100% var(--about-cut-lg), 100% 100%, var(--about-cut-lg) 100%, 0 calc(100% - var(--about-cut-lg)));
}

.about-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) contrast(1.05);
}

.about-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(72deg, rgba(10, 20, 40, 0.94) 12%, rgba(18, 36, 74, 0.62) 56%, rgba(10, 20, 40, 0.15) 100%);
}

.about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.about-hero__kicker {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 60px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  color: var(--color-text);
  margin-top: 10px;
}

.about-hero__lead {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--color-text-dim);
  margin-top: 18px;
  max-width: 680px;
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin-top: 32px;
}

.about-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.about-hero__stat dt {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.about-hero__stat dd {
  font-size: 14px;
  color: var(--color-text-dim);
  white-space: nowrap;
}

.about-journey,
.about-data,
.about-services,
.about-team {
  padding: clamp(40px, 7vw, 72px) 0;
  border-bottom: 1px solid var(--color-line);
}

.about-timeline {
  position: relative;
  display: grid;
  gap: 24px;
  margin-top: 34px;
}

.about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-info), var(--color-purple));
}

.about-timeline__item {
  position: relative;
  padding-left: 44px;
}

.about-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 18px;
  height: 18px;
  background: var(--color-bg);
  border: 4px solid var(--color-accent);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(0, 255, 156, 0.08);
}

.about-timeline__marker {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-info);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.about-timeline__panel {
  padding: 18px 22px;
  background:
    linear-gradient(150deg, rgba(0, 212, 255, 0.06), transparent 48%),
    var(--color-surface);
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - var(--about-cut)) 0, 100% var(--about-cut), 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}

.about-timeline__panel h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
}

.about-timeline__panel p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-dim);
  margin-top: 6px;
}

.about-timeline__item--now .about-timeline__marker {
  color: var(--color-accent);
  text-shadow: 0 0 12px rgba(0, 255, 156, 0.4);
}

.about-timeline__item--now .about-timeline__panel {
  border-color: var(--color-line-accent);
  background:
    linear-gradient(150deg, rgba(0, 255, 156, 0.12), transparent 52%),
    var(--color-surface);
}

.about-data__intro {
  display: grid;
  gap: 18px;
}

.about-data__intro p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-dim);
  max-width: 780px;
}

.about-data__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.about-data__stats li {
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(123, 97, 255, 0.16), rgba(18, 36, 74, 0.9));
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - var(--about-cut)) 0, 100% var(--about-cut), 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-dim);
}

.about-data__stats span {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}

.about-data__grid {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 28px;
}

.about-flow {
  display: grid;
  gap: 14px;
}

.about-flow__step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  clip-path: polygon(0 0, calc(100% - var(--about-cut)) 0, 100% var(--about-cut), 100% 100%, var(--about-cut) 100%, 0 calc(100% - var(--about-cut)));
}

.about-flow__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-info);
  padding-top: 4px;
}

.about-flow__step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--color-text);
}

.about-flow__step p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-dim);
  margin-top: 4px;
}

.about-data__figure,
.about-team__figure {
  margin: 0;
}

.about-data__figure {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 12px;
  clip-path: polygon(0 0, calc(100% - var(--about-cut-lg)) 0, 100% var(--about-cut-lg), 100% 100%, var(--about-cut-lg) 100%, 0 calc(100% - var(--about-cut-lg)));
}

.about-data__figure img,
.about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-data__figure figcaption,
.about-team__figure figcaption {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-dim);
  padding: 12px 4px 4px;
  line-height: 1.5;
}

.about-services__grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.about-service-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background:
    linear-gradient(160deg, rgba(0, 212, 255, 0.05), transparent 55%),
    var(--color-surface);
  border: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  clip-path: polygon(0 0, calc(100% - var(--about-cut-lg)) 0, 100% var(--about-cut-lg), 100% 100%, var(--about-cut-lg) 100%, 0 calc(100% - var(--about-cut-lg)));
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.about-service-card:hover,
.about-service-card:focus-visible {
  transform: translateY(-6px);
  border-color: var(--color-line-accent);
  background:
    linear-gradient(160deg, rgba(0, 255, 156, 0.12), transparent 60%),
    var(--color-surface);
}

.about-service-card__code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
}

.about-service-card h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 10px;
}

.about-service-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-dim);
  margin-top: 12px;
}

.about-service-card__more {
  margin-top: auto;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-info);
}

.about-team {
  display: grid;
  gap: 32px;
  align-items: center;
}

.about-team__body > p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-dim);
  margin-bottom: 20px;
}

.about-team__units {
  display: grid;
  gap: 12px;
}

.about-team__units li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  background: rgba(0, 255, 156, 0.06);
  border-left: 3px solid var(--color-accent);
  font-size: 15px;
  color: var(--color-text);
}

.about-team__units span {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-accent);
  white-space: nowrap;
}

.about-team__figure {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  padding: 12px;
  clip-path: polygon(0 0, calc(100% - var(--about-cut-lg)) 0, 100% var(--about-cut-lg), 100% 100%, var(--about-cut-lg) 100%, 0 calc(100% - var(--about-cut-lg)));
}

.about-team__figure img {
  filter: contrast(1.08) saturate(0.8);
}

@media (min-width: 900px) {
  .about-data__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .about-services__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-team {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .about-data__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .about-timeline {
    padding-left: 0;
  }
}

@media (min-width: 1024px) {
  .page-about__shell {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
  }

  .about-rail {
    position: sticky;
    top: calc(var(--header-total) + 24px);
    align-self: start;
  }

  .about-rail__inner {
    display: block;
  }

  .about-rail__kicker {
    margin-bottom: 12px;
  }

  .about-rail__nav {
    display: grid;
    gap: 10px;
  }

  .about-rail__stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 24px;
  }

  .about-rail__cta {
    margin-top: 20px;
    justify-content: center;
  }
}