.page-about {
  --ab-blue: var(--space-blue);
  --ab-blue-dark: var(--space-blue-dark);
  --ab-orange: var(--orange);
  --ab-green: var(--neon-green);
  --ab-ink: var(--ink);
  --ab-line: var(--grey-line);
  --ab-cream: var(--cream);
  --ab-white: var(--white);
  --ab-aux: var(--blue-aux);
  background: var(--ab-cream);
  color: var(--ab-ink);
  overflow: hidden;
}

.page-about .section-heading {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.page-about .section-heading h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--ab-blue);
  letter-spacing: -0.01em;
  margin: 0;
}

.page-about .heading-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ab-orange);
  letter-spacing: 0.08em;
}

.about-breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
}

.about-hero {
  position: relative;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
  display: grid;
  gap: 2.5rem;
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--ab-line) 1px, transparent 1px), linear-gradient(90deg, var(--ab-line) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.14;
}

.about-hero > * {
  position: relative;
  z-index: 1;
}

.about-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ab-orange);
  margin: 0 0 0.75rem;
}

.about-hero h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ab-blue);
  margin: 0 0 1rem;
}

.about-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ab-ink);
  margin: 0 0 1.4rem;
  max-width: 46rem;
}

.about-intro-figure {
  margin: 0 0 1.4rem;
  border: 1px solid var(--ab-line);
  box-shadow: var(--shadow-md);
}

.about-intro-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.about-hero-aside {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.about-mission-block {
  background: var(--ab-white);
  border: 1px solid var(--ab-line);
  border-left: 4px solid var(--ab-orange);
  box-shadow: var(--shadow-sm);
  padding: 1.15rem 1.25rem;
}

.about-mission-block .heading-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ab-orange);
  margin-bottom: 0.4rem;
}

.about-mission-block h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--ab-blue);
  margin: 0 0 0.75rem;
}

.about-mission-block p {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ab-ink);
  margin: 0 0 0.6rem;
}

.about-mission-block p:last-child {
  margin-bottom: 0;
}

.about-metric-wall {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.about-metric-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 0.9rem;
  background: var(--ab-blue);
  color: var(--ab-white);
  border: 1px solid var(--ab-blue-dark);
  transition: transform var(--ease), box-shadow var(--ease);
}

.about-metric-card::after {
  content: "";
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 7px;
  height: 7px;
  background: var(--ab-green);
  opacity: 0.65;
}

.about-metric-card-featured {
  grid-row: span 2;
  justify-content: center;
}

.about-metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.about-metric-num {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ab-white);
}

.about-metric-card-featured .about-metric-num {
  font-size: 4rem;
  color: var(--ab-green);
}

.about-metric-suffix {
  font-size: 0.55em;
}

.about-metric-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.86);
}

.about-data {
  background: linear-gradient(155deg, var(--ab-blue-dark) 0%, var(--ab-blue) 60%, var(--ab-aux) 140%);
  color: var(--ab-white);
  padding: 3rem 0;
}

.about-data-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.about-data-heading {
  margin-bottom: 1.4rem;
}

.about-data-heading h2 {
  color: var(--ab-white);
}

.about-data-heading .heading-index {
  color: var(--ab-green);
}

.about-data-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  max-width: 48rem;
  margin: 0 0 2rem;
}

.about-data-grid {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 2rem;
}

.about-data-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 1.2rem 1.1rem;
  transition: background var(--ease), border-color var(--ease);
}

.about-data-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--ab-green);
}

.about-data-card-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ab-green);
  margin-bottom: 0.5rem;
}

.about-data-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--ab-white);
  margin: 0 0 0.45rem;
}

.about-data-card p {
  font-size: 0.86rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.about-data-figure {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.about-data-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-data-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  padding: 0.6rem 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.about-timeline-section {
  padding: 3rem 0;
  background-image: linear-gradient(rgba(11, 29, 58, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(11, 29, 58, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
}

.about-timeline-wrap {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.about-timeline-intro {
  font-size: 0.98rem;
  line-height: 1.75;
  max-width: 46rem;
  margin: 0 0 1.8rem;
}

.about-timeline {
  display: grid;
  gap: 1rem;
}

.about-timeline-item {
  background: var(--ab-white);
  border: 1px solid var(--ab-line);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--ease);
}

.about-timeline-item[open] {
  box-shadow: var(--shadow-md);
}

.about-timeline-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem 0.9rem;
  padding: 1rem 1.1rem;
  outline-offset: -2px;
}

.about-timeline-item summary::-webkit-details-marker {
  display: none;
}

.about-timeline-item summary:focus-visible {
  outline: 2px solid var(--ab-orange);
}

.about-timeline-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--ab-orange);
  font-size: 1.1rem;
  transition: transform var(--ease);
}

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

.about-timeline-year {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ab-orange);
  background: var(--ab-cream);
  border: 1px solid var(--ab-line);
  padding: 0.15rem 0.6rem;
  white-space: nowrap;
}

.about-timeline-title {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ab-blue);
}

.about-timeline-body {
  padding: 0 1.1rem 1.1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ab-ink);
}

.about-timeline-body p {
  margin: 0;
}

.about-team-section {
  padding: 3rem 0;
  background: var(--ab-cream);
}

.about-team-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.about-team-grid {
  display: grid;
  gap: 2rem;
}

.about-team-lead {
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0 0 1.5rem;
}

.about-team-roles {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.about-team-role {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--ab-white);
  border: 1px solid var(--ab-line);
  padding: 1.1rem;
}

.about-team-role-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ab-orange);
  min-width: 3.2rem;
}

.about-team-role h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--ab-blue);
  margin: 0 0 0.3rem;
}

.about-team-role p {
  font-size: 0.86rem;
  line-height: 1.6;
  margin: 0;
}

.about-team-note {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ab-ink);
  margin: 0;
}

.about-team-figure {
  margin: 0;
  border: 1px solid var(--ab-line);
  box-shadow: var(--shadow-md);
}

.about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-partner-section {
  padding: 3rem 0;
  background: var(--ab-cream);
  border-top: 1px solid var(--ab-line);
}

.about-partner-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.about-partner-lead {
  font-size: 1rem;
  line-height: 1.8;
  max-width: 48rem;
  margin: 0 0 2rem;
}

.about-partner-steps {
  display: grid;
  gap: 1rem;
}

.about-partner-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  border-top: 1px solid var(--ab-line);
  padding-top: 1rem;
}

.about-partner-step-num {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ab-orange);
  line-height: 1.4;
  min-width: 2.8rem;
}

.about-partner-step h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--ab-blue);
  margin: 0 0 0.3rem;
}

.about-partner-step p {
  font-size: 0.88rem;
  line-height: 1.65;
  margin: 0;
}

@media (min-width: 768px) {
  .about-hero {
    grid-template-columns: 1.15fr 0.85fr;
    padding-top: 2.5rem;
    gap: 3rem;
  }

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

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

  .about-partner-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.4rem 2rem;
  }
}

@media (min-width: 1024px) {
  .about-hero {
    grid-template-columns: 1.05fr 0.95fr;
    padding: 4rem 2.5rem 5rem;
    gap: 4rem;
  }

  .about-data,
  .about-team-section,
  .about-partner-section,
  .about-timeline-section {
    padding: 5rem 0;
  }

  .about-data-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.1rem;
  }

  .about-team-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 3rem;
  }

  .about-partner-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
  }

  .about-partner-step {
    flex-direction: column;
    border-top: none;
    border-left: 1px solid var(--ab-line);
    padding-top: 0;
    padding-left: 1.2rem;
  }
}