.page-about {
  --about-marker: 18px;
  position: relative;
  overflow-x: clip;
  background-color: var(--bg-deep);
  color: var(--text-body);
  font-family: var(--font-body);
  line-height: 1.7;
}

.page-about .about-hero {
  position: relative;
  padding: 3rem 0 2.5rem;
  background-image:
    linear-gradient(rgba(32, 50, 67, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 50, 67, 0.35) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 2.5rem;
}

.page-about .about-hero__kicker {
  margin-bottom: 0.75rem;
  color: var(--green);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.15;
  color: var(--text-bright);
  margin-bottom: 1.25rem;
  max-width: 12em;
}

.page-about .about-hero__lead {
  font-size: 1rem;
  max-width: 36em;
  margin-bottom: 1.75rem;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.page-about .about-hero__stat {
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-radius: 2px;
  padding: 1.25rem 1rem;
  position: relative;
  overflow: hidden;
}

.page-about .about-hero__stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--green);
  opacity: 0.85;
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 2rem;
  color: var(--text-bright);
  line-height: 1.1;
}

.page-about .about-hero__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--text-body);
}

.page-about .about-milestone {
  padding: 3.5rem 0 3rem;
}

.page-about .about-milestone__head {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-about .about-milestone__intro {
  font-size: 0.96rem;
  max-width: 40em;
}

.page-about .about-milestone__banner {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border-grid);
  margin-bottom: 2.5rem;
}

.page-about .about-timeline {
  position: relative;
}

.page-about .about-timeline__item {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 2rem;
}

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  bottom: -2rem;
  width: 2px;
  background: var(--border-grid);
}

.page-about .about-timeline__item:last-child::before {
  display: none;
}

.page-about .about-timeline__marker {
  position: absolute;
  left: 0;
  top: 6px;
  width: var(--about-marker);
  height: var(--about-marker);
  background: var(--green);
  border: 3px solid var(--bg-deep);
  border-radius: 3px;
  transform: rotate(45deg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.page-about .about-timeline__item:hover .about-timeline__marker {
  box-shadow: 0 0 0 6px rgba(0, 255, 135, 0.2);
}

.page-about .about-timeline__card {
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-left: 3px solid var(--green);
  border-radius: 2px;
  padding: 1.25rem 1.25rem 1.5rem;
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .about-timeline__item:hover .about-timeline__card {
  transform: translateY(-3px);
  border-color: var(--green);
}

.page-about .about-timeline__card h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--text-bright);
  margin: 0.75rem 0 0.5rem;
}

.page-about .about-timeline__card p {
  font-size: 0.92rem;
  margin: 0;
}

.page-about .about-capability {
  padding: 3rem 0;
  background: var(--bg-panel);
  position: relative;
}

.page-about .about-capability::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 300px;
  background: radial-gradient(circle at top right, rgba(0, 229, 255, 0.08), transparent 70%);
  pointer-events: none;
}

.page-about .about-capability__head {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-about .about-capability__lead {
  font-size: 0.96rem;
  max-width: 42em;
}

.page-about .about-capability__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}

.page-about .about-capability__stat {
  background: var(--bg-deep);
  border: 1px solid var(--border-grid);
  padding: 1.5rem 1.25rem;
  border-radius: 2px;
  position: relative;
  transition: border-color var(--transition);
}

.page-about .about-capability__stat:hover {
  border-color: var(--blue);
}

.page-about .about-capability__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--blue);
  line-height: 1.1;
  margin-bottom: 0.4rem;
  transition: color var(--transition);
}

.page-about .about-capability__stat:hover .about-capability__num {
  color: var(--green);
}

.page-about .about-capability__desc {
  font-size: 0.85rem;
  color: var(--text-body);
}

.page-about .about-capability__check {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-capability__check-media {
  position: relative;
}

.page-about .about-capability__check-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border-grid);
}

.page-about .about-capability__check-content {
  max-width: 34em;
}

.page-about .about-capability__check-content h3 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--text-bright);
  margin: 0 0 0.75rem;
}

.page-about .about-capability__check-content > p {
  margin-bottom: 1rem;
}

.page-about .about-capability__check-content .link-arrow {
  margin-top: 0.5rem;
}

.page-about .about-cert {
  padding: 3rem 0;
  background: var(--bg-deep);
}

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

.page-about .about-cert__head h2 {
  margin: 0.5rem 0 0;
}

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

.page-about .about-cert__card {
  background: var(--bg-panel);
  border: 1px solid var(--border-grid);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.page-about .about-cert__card:hover {
  border-color: var(--blue);
}

.page-about .about-cert__card summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--text-bright);
}

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

.page-about .about-cert__card summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--green);
  transition: transform var(--transition);
}

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

.page-about .about-cert__badge {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.page-about .about-cert__card p {
  margin: 0;
  padding: 1rem 1.25rem 1.5rem;
  font-size: 0.92rem;
  border-top: 1px solid var(--border-grid);
}

.page-about .about-cert__shield-body {
  fill: rgba(0, 255, 135, 0.08);
  stroke: var(--green);
  stroke-width: 2;
}

.page-about .about-cert__shield-check {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-about .about-cert__lock-body {
  fill: rgba(0, 229, 255, 0.08);
  stroke: var(--blue);
  stroke-width: 2;
}

.page-about .about-cert__lock-shackle {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
}

.page-about .about-cert__lock-keyhole {
  fill: var(--green);
}

.page-about .about-cert__award-ring {
  fill: rgba(255, 179, 0, 0.08);
  stroke: var(--orange);
  stroke-width: 2;
}

.page-about .about-cert__award-star {
  fill: var(--orange);
}

.page-about .about-cert__award-ribbon {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-about .about-team {
  padding: 3.5rem 0;
  background: var(--bg-panel);
}

.page-about .about-team__grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.page-about .about-team__content h2 {
  margin: 0.5rem 0 1rem;
}

.page-about .about-team__content p {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.page-about .about-team__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
  margin-top: 1.5rem;
}

.page-about .about-team__image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border-grid);
}

.page-about .about-closing {
  padding: 4rem 0 5rem;
  text-align: center;
  background-image:
    linear-gradient(rgba(32, 50, 67, 0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(32, 50, 67, 0.3) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-about .about-closing__text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  color: var(--text-bright);
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

.page-about .about-closing__dot {
  color: var(--green);
}

.page-about .about-closing__sub {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-body);
  margin: 0;
}

@media (min-width: 768px) {
  .page-about .about-hero__grid {
    grid-template-columns: 3fr 2fr;
    gap: 3rem;
    align-items: center;
  }

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

  .page-about .about-milestone__head {
    grid-template-columns: 2fr 3fr;
    align-items: end;
  }

  .page-about .about-capability__head {
    grid-template-columns: 2fr 3fr;
    align-items: end;
  }

  .page-about .about-capability__check {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-cert__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-team__grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-timeline::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, var(--blue), var(--green));
  }

  .page-about .about-timeline__item {
    width: 50%;
    padding-left: 0;
    margin-bottom: 2.5rem;
  }

  .page-about .about-timeline__item::before {
    display: none;
  }

  .page-about .about-timeline__item:nth-child(odd) {
    padding-right: 3.5rem;
    text-align: right;
  }

  .page-about .about-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 3.5rem;
    text-align: left;
  }

  .page-about .about-timeline__item:nth-child(odd) .about-timeline__marker {
    left: auto;
    right: -9px;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__marker {
    left: -9px;
  }

  .page-about .about-timeline__item:nth-child(odd) .about-timeline__card {
    border-left: 1px solid var(--border-grid);
    border-right: 3px solid var(--green);
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    border-left: 3px solid var(--green);
  }

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