.page-about {
  position: relative;
  background: var(--c-blue);
  color: var(--c-white);
  overflow-x: hidden;
}

.page-about .breadcrumb {
  position: relative;
  z-index: 3;
  max-width: var(--container);
  margin: 0 auto;
  padding: 20px var(--space-3) 0;
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.85rem;
  color: var(--c-gray);
}

.page-about .breadcrumb li + li::before {
  content: "·";
  margin-right: 6px;
  color: var(--c-green);
}

.page-about .breadcrumb a {
  color: var(--c-cyan);
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-about .breadcrumb a:hover {
  color: var(--c-green);
}

.page-about .about-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: flex-end;
  padding: 0 0 var(--space-5);
  margin-bottom: var(--space-5);
}

.page-about .about-hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.page-about .about-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 23, 0.72), rgba(10, 29, 58, 0.28) 70%);
}

.page-about .about-hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding-top: var(--space-6);
}

.page-about .about-hero h1 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(2.2rem, 7vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  max-width: 14ch;
}

.page-about .about-hero-lead {
  max-width: 46ch;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--c-white);
  margin: 0;
}

.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  width: 100%;
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero-stat {
  background: rgba(16, 58, 107, 0.55);
  border: 1px solid rgba(198, 255, 0, 0.18);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-2);
  backdrop-filter: blur(6px);
}

.page-about .about-hero-stat dt {
  font-size: 0.8rem;
  color: var(--c-gray);
  margin-bottom: 4px;
}

.page-about .about-hero-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-variant-numeric: tabular-nums;
  color: var(--c-green);
}

.page-about .about-origin {
  padding: var(--space-5) 0;
}

.page-about .about-origin-grid {
  display: grid;
  gap: var(--space-4);
  align-items: center;
}

.page-about .about-origin-copy p {
  max-width: 62ch;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-about .about-origin-copy p + p {
  margin-top: var(--space-3);
}

.page-about .section-title {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.5vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin: var(--space-2) 0 var(--space-3);
}

.page-about .about-origin-stamp {
  position: relative;
  background: linear-gradient(135deg, rgba(198, 255, 0, 0.1), rgba(0, 212, 255, 0.06)), var(--c-steel);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  max-width: 340px;
  margin: 0 auto;
  transform: rotate(-2deg);
  border: 1px solid rgba(198, 255, 0, 0.16);
}

.page-about .about-origin-stamp::after {
  content: "";
  position: absolute;
  right: -14px;
  top: -14px;
  width: 44px;
  height: 44px;
  background: var(--c-orange);
  border-radius: var(--radius-pill);
  opacity: 0.9;
}

.page-about .about-origin-year {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 4rem;
  line-height: 1;
  color: var(--c-green);
  font-variant-numeric: tabular-nums;
}

.page-about .about-origin-note {
  margin: var(--space-3) 0 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--c-gray);
}

.page-about .about-milestones {
  background: linear-gradient(180deg, rgba(5, 13, 23, 0.5), var(--c-blue) 100%);
  padding: var(--space-5) 0 var(--space-6);
}

.page-about .about-section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
}

.page-about .about-section-desc {
  margin: 0;
  max-width: 44ch;
  color: var(--c-gray);
  font-size: 1.02rem;
}

.page-about .about-milestone-legend {
  margin: var(--space-3) 0 var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-green), var(--c-cyan), transparent);
  opacity: 0.35;
}

.page-about .about-timeline-item {
  position: relative;
  padding: 0 0 var(--space-4) 56px;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 24px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--c-green);
  border: 3px solid var(--c-blue);
  box-shadow: 0 0 0 2px var(--c-green);
}

.page-about .about-timeline-item--orange {
  --dot-color: var(--c-orange);
}

.page-about .about-timeline-item--cyan {
  --dot-color: var(--c-cyan);
}

.page-about .about-timeline-item--orange::before {
  background: var(--c-orange);
  box-shadow: 0 0 0 2px var(--c-orange);
}

.page-about .about-timeline-item--cyan::before {
  background: var(--c-cyan);
  box-shadow: 0 0 0 2px var(--c-cyan);
}

.page-about .about-timeline-year {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1;
  color: var(--c-green);
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums;
}

.page-about .about-timeline-item--orange .about-timeline-year {
  color: var(--c-orange);
}

.page-about .about-timeline-item--cyan .about-timeline-year {
  color: var(--c-cyan);
}

.page-about .about-timeline-card {
  background: rgba(16, 58, 107, 0.45);
  border: 1px solid rgba(242, 247, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: border-color var(--t-base), transform var(--t-base);
}

.page-about .about-timeline-item:hover .about-timeline-card {
  border-color: rgba(198, 255, 0, 0.35);
  transform: translateX(4px);
}

.page-about .about-timeline-card h3 {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.08rem;
  margin: 0 0 var(--space-1);
}

.page-about .about-timeline-card p {
  margin: 0;
  color: var(--c-gray);
  line-height: 1.65;
  font-size: 0.93rem;
}

.page-about .about-scale {
  padding: var(--space-5) 0;
}

.page-about .about-scale-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-about .about-scale-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

.page-about .about-scale-stat {
  background: var(--c-steel);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-scale-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1;
  color: var(--c-green);
  font-variant-numeric: tabular-nums;
}

.page-about .about-scale-label {
  font-size: 0.82rem;
  color: var(--c-gray);
}

.page-about .about-scale-figure {
  margin: 0;
}

.page-about .about-scale-figure img,
.page-about .about-tech-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-lg);
}

.page-about .about-scale-figure figcaption,
.page-about .about-tech-figure figcaption {
  margin-top: var(--space-2);
  font-size: 0.84rem;
  color: var(--c-gray);
}

.page-about .about-scale-note {
  margin: var(--space-4) 0 0;
  max-width: 64ch;
  padding-left: var(--space-3);
  border-left: 3px solid var(--c-orange);
  color: var(--c-gray);
  line-height: 1.7;
}

.page-about .about-tech {
  padding: var(--space-5) 0;
  background: linear-gradient(180deg, var(--c-blue), rgba(5, 13, 23, 0.55));
}

.page-about .about-tech-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.page-about .about-tech-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-about .about-tech-list li {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(242, 247, 255, 0.08);
}

.page-about .about-tech-index {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--c-orange);
  min-width: 32px;
  padding-top: 6px;
  font-variant-numeric: tabular-nums;
}

.page-about .about-tech-list h3 {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 4px;
}

.page-about .about-tech-list p {
  margin: 0;
  color: var(--c-gray);
  line-height: 1.65;
  font-size: 0.93rem;
}

.page-about .about-philosophy {
  padding: var(--space-5) 0 var(--space-6);
}

.page-about .about-philosophy-panel {
  position: relative;
  background: linear-gradient(135deg, var(--c-steel), var(--c-blue) 72%);
  border: 1px solid rgba(198, 255, 0, 0.14);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  overflow: hidden;
}

.page-about .about-philosophy-panel::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -70px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.14), transparent 65%);
  pointer-events: none;
}

.page-about .about-philosophy-panel .eyebrow {
  position: relative;
  z-index: 1;
}

.page-about .about-philosophy-panel .section-title {
  margin-bottom: var(--space-3);
}

.page-about .about-philosophy-lead {
  position: relative;
  z-index: 1;
  max-width: 52ch;
  font-size: 1.06rem;
  line-height: 1.75;
  color: var(--c-white);
  margin: 0 0 var(--space-4);
}

.page-about .about-philosophy-list {
  position: relative;
  z-index: 1;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-about .about-philosophy-list li {
  background: rgba(198, 255, 0, 0.1);
  border: 1px solid rgba(198, 255, 0, 0.35);
  color: var(--c-green);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-about .about-philosophy-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-about .about-related {
  padding: 0 0 var(--space-6);
}

.page-about .about-related-title {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.35rem;
  margin: 0 0 var(--space-3);
}

.page-about .about-related-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-about .about-related-links a {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(198, 255, 0, 0.2);
  color: var(--c-white);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-about .about-related-links a:hover {
  background: var(--c-green);
  color: var(--c-black);
  border-color: var(--c-green);
}

@media (min-width: 768px) {
  .page-about .about-hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    grid-template-areas:
      "eyebrow eyebrow"
      "title stats"
      "lead stats";
    column-gap: var(--space-5);
  }

  .page-about .about-hero .eyebrow {
    grid-area: eyebrow;
    margin-bottom: var(--space-2);
  }

  .page-about .about-hero h1 {
    grid-area: title;
  }

  .page-about .about-hero-lead {
    grid-area: lead;
    align-self: start;
    margin-top: var(--space-3);
  }

  .page-about .about-hero-stats {
    grid-area: stats;
    grid-template-columns: 1fr;
    gap: var(--space-2);
    margin: 0;
    align-self: end;
  }

  .page-about .about-hero-stat {
    padding: var(--space-3) var(--space-3);
  }

  .page-about .about-origin-grid {
    grid-template-columns: 1.4fr 0.6fr;
    gap: var(--space-5);
  }

  .page-about .about-timeline-card {
    padding: var(--space-4);
  }

  .page-about .about-scale-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-about .about-tech-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-5);
  }

  .page-about .about-philosophy-panel {
    padding: var(--space-5);
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    min-height: 680px;
  }

  .page-about .about-timeline {
    padding-top: var(--space-3);
  }

  .page-about .about-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-timeline-item {
    width: 50%;
    padding: 0 var(--space-5) var(--space-5) 0;
    text-align: right;
  }

  .page-about .about-timeline-item::before {
    left: auto;
    right: -9px;
    transform: translateX(-50%);
  }

  .page-about .about-timeline-item--orange::before,
  .page-about .about-timeline-item--cyan::before {
    transform: translateX(-50%);
  }

  .page-about .about-timeline-item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 var(--space-5) var(--space-5);
    text-align: left;
  }

  .page-about .about-timeline-item:nth-child(even)::before {
    right: auto;
    left: -9px;
    transform: translateX(50%);
  }

  .page-about .about-timeline-item--orange:nth-child(even)::before,
  .page-about .about-timeline-item--cyan:nth-child(even)::before {
    transform: translateX(50%);
  }

  .page-about .about-timeline-item:hover .about-timeline-card {
    transform: translateX(0);
  }

  .page-about .about-timeline-item:nth-child(even):hover .about-timeline-card {
    transform: translateX(0);
  }

  .page-about .about-scale-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .page-about .about-tech-list li {
    padding: var(--space-4) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-timeline-card,
  .page-about .about-timeline-item:hover .about-timeline-card {
    transition: none;
    transform: none;
  }

  .page-about .about-related-links a {
    transition: none;
  }
}