.page-about {
  --about-grid-line: rgba(11, 31, 58, 0.06);
  --about-dark-grid: rgba(255, 255, 255, 0.06);
  background: var(--color-white);
}

.page-about .breadcrumb {
  margin-bottom: 28px;
}
.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}
.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "·";
  margin-right: 6px;
  color: var(--color-silver);
}
.page-about .breadcrumb__item a {
  color: inherit;
  text-decoration: none;
}
.page-about .breadcrumb__item a:hover {
  color: var(--color-accent);
}

.page-about .story-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 20px 72px;
  background-color: var(--color-deep-navy);
  background-image:
    linear-gradient(var(--about-dark-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-dark-grid) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--color-white);
}
.page-about .story-hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 160px;
  height: 160px;
  background: var(--color-accent);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.92;
}
.page-about .story-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26px;
  background: linear-gradient(135deg, transparent 0 50%, var(--color-accent) 50% 100%);
}
.page-about .story-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
}
.page-about .story-hero .section__eyebrow {
  color: var(--color-teal);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-about .story-hero .breadcrumb {
  color: rgba(255, 255, 255, 0.72);
}
.page-about .story-hero .breadcrumb__item[aria-current="page"] {
  color: var(--color-white);
}
.page-about .story-hero .breadcrumb__item a {
  color: rgba(255, 255, 255, 0.72);
}
.page-about .story-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.12;
  font-weight: 900;
  color: var(--color-white);
  margin: 0 0 20px;
  max-width: 660px;
}
.page-about .story-hero__accent {
  color: var(--color-accent);
}
.page-about .story-hero__lede {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 56ch;
  margin: 0 0 32px;
}
.page-about .story-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .story-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
}
.page-about .story-hero__fact strong {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--color-white);
}
.page-about .story-hero__fact span {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.64);
}

.page-about .about-shell {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.page-about .story-layout {
  display: block;
  padding: 40px 0 72px;
}

.page-about .story-nav {
  margin-bottom: 32px;
  border-bottom: 1px solid var(--color-silver);
}
.page-about .story-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}
.page-about .story-nav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 16px 12px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.page-about .story-nav__link {
  display: block;
  padding: 8px 14px;
  font-size: 0.875rem;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--color-charcoal);
  text-decoration: none;
  border-left: 2px solid var(--color-silver);
  background: var(--color-light-steel);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-about .story-nav__link:hover,
.page-about .story-nav__link:focus-visible {
  background: var(--color-light-steel);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.page-about .story-content {
  display: block;
  background-image:
    linear-gradient(var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--about-grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
}
.page-about .story-chapter {
  padding: 28px 20px 40px;
  border-bottom: 1px solid var(--color-silver);
  scroll-margin-top: calc(var(--header-height) + 16px);
}
.page-about .story-chapter:last-child {
  border-bottom: none;
}
.page-about .story-chapter--tint {
  background: var(--color-light-steel);
  border-bottom: none;
}

.page-about .chapter-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.page-about .chapter-head__index {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  line-height: 1;
  font-weight: 600;
  color: var(--color-accent);
}
.page-about .chapter-head__text .section__eyebrow {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mid-gray);
}
.page-about .chapter-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1.2;
  font-weight: 900;
  color: var(--color-primary);
}

.page-about .story-chapter__body {
  color: var(--color-charcoal);
}
.page-about .story-chapter__body p {
  font-size: 1rem;
  line-height: 1.9;
  margin: 0 0 18px;
}
.page-about .story-chapter__body .story-chapter__lead {
  color: var(--color-primary);
  font-size: 1.1875rem;
  line-height: 1.6;
  font-weight: 700;
}
.page-about .story-chapter__body .story-chapter__note {
  color: var(--color-primary);
  padding: 16px 20px;
  border-left: 4px solid var(--color-accent);
  background: var(--color-light-steel);
  font-size: 0.9375rem;
  line-height: 1.8;
}
.page-about .story-chapter__img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 24px;
  border: 1px solid var(--color-silver);
}

.page-about .pain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 24px;
}
.page-about .pain-card {
  position: relative;
  padding: 20px 20px 20px 24px;
  background: var(--color-light-steel);
  border-top: 4px solid var(--color-primary);
}
.page-about .pain-card__index {
  position: absolute;
  right: 14px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-silver);
}
.page-about .pain-card h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}
.page-about .pain-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-mid-gray);
}

.page-about .capability-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 24px;
}
.page-about .stat-cell {
  position: relative;
  overflow: hidden;
  padding: 18px 12px;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-white);
}
.page-about .stat-cell::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: var(--color-accent);
}
.page-about .stat-cell__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1.1;
  font-weight: 600;
}
.page-about .stat-cell__label {
  display: block;
  margin-top: 6px;
  font-size: 0.875rem;
  font-weight: 700;
}
.page-about .stat-cell__desc {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.68);
}

.page-about .value-scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0 0 24px;
}
.page-about .scene-card {
  padding: 20px;
  background: var(--color-white);
  border: 1px solid var(--color-silver);
}
.page-about .scene-card__step {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.page-about .scene-card h3 {
  margin: 8px 0 6px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}
.page-about .scene-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-mid-gray);
}

.page-about .story-chapter--dark {
  background: var(--color-deep-navy);
  margin-inline: -20px;
  padding: 36px 20px 48px;
  border-bottom: none;
}
.page-about .story-chapter--dark .chapter-head__index {
  color: var(--color-teal);
}
.page-about .story-chapter--dark .chapter-head__title {
  color: var(--color-white);
}
.page-about .story-chapter--dark .chapter-head__text .section__eyebrow {
  color: var(--color-teal);
}
.page-about .story-chapter--dark .story-chapter__body {
  color: rgba(255, 255, 255, 0.78);
}
.page-about .story-chapter--dark .story-chapter__body .story-chapter__lead {
  color: var(--color-white);
}

.page-about .timeline-wrap {
  overflow-x: auto;
  margin: 8px 0 28px;
}
.page-about .timeline-svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.page-about .timeline-svg__path {
  fill: none;
  stroke: var(--color-teal);
  stroke-width: 2;
  stroke-dasharray: 6 4;
}
.page-about .timeline-svg__node circle {
  fill: var(--color-accent);
  stroke: var(--color-white);
  stroke-width: 2;
}
.page-about .timeline-svg__node text {
  fill: rgba(255, 255, 255, 0.85);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-about .milestone-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 28px;
}
.page-about .milestone-card {
  position: relative;
  padding: 20px 22px 22px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.14);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.page-about .milestone-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.09);
}
.page-about .milestone-card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-teal);
}
.page-about .milestone-card h3 {
  margin: 8px 0 8px;
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--color-white);
}
.page-about .milestone-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

.page-about .milestone-growth {
  padding: 24px 16px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}
.page-about .milestone-growth__num {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 3rem;
  line-height: 1.1;
  font-weight: 600;
  color: var(--color-accent);
}
.page-about .milestone-growth__label {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
}
.page-about .milestone-growth__sub {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.66);
}

.page-about .trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 24px;
}
.page-about .trust-card {
  padding: 22px;
  background: var(--color-white);
  border-top: 4px solid var(--color-accent);
  box-shadow: 0 2px 12px rgba(11, 31, 58, 0.06);
}
.page-about .trust-card__badge {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--color-primary);
  background: var(--color-light-steel);
  border: 1px solid var(--color-silver);
}
.page-about .trust-card h3 {
  margin: 0 0 6px;
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-primary);
}
.page-about .trust-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-mid-gray);
}
.page-about .trust-note {
  margin: 0 0 24px;
  padding: 16px 18px;
  border: 1px dashed var(--color-mid-gray);
}
.page-about .trust-note p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--color-charcoal);
}
.page-about .trust-note a {
  color: var(--color-accent);
  text-decoration: underline;
}

.page-about .story-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-about .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-about .btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.page-about .btn--primary:hover {
  background: var(--color-accent);
  color: var(--color-white);
}
.page-about .btn--outline {
  border-color: var(--color-silver);
  color: var(--color-primary);
}
.page-about .btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.page-about .story-chapter:target .chapter-head__title {
  box-shadow: inset 0 -0.35em 0 rgba(255, 107, 44, 0.28);
}

@media (min-width: 1024px) {
  .page-about .story-hero {
    padding: 72px 24px 108px;
  }
  .page-about .story-hero__inner {
    max-width: var(--container);
    margin: 0 auto;
  }
  .page-about .story-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    max-width: 640px;
  }
  .page-about .story-hero__lede {
    max-width: 58ch;
    font-size: 1.125rem;
  }
  .page-about .story-hero__fact {
    padding: 18px 22px;
  }
  .page-about .about-shell {
    padding: 0 24px;
  }
  .page-about .story-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 64px 0 96px;
  }
  .page-about .story-nav {
    position: sticky;
    top: calc(var(--header-height) + 32px);
    margin-bottom: 0;
    border-bottom: none;
  }
  .page-about .story-nav__list {
    flex-direction: column;
    gap: 4px;
    padding: 0;
    overflow: visible;
  }
  .page-about .story-nav__link {
    white-space: normal;
    padding: 10px 14px;
    background: transparent;
  }
  .page-about .story-nav__link:hover,
  .page-about .story-nav__link:focus-visible {
    background: var(--color-light-steel);
    color: var(--color-primary);
    border-color: var(--color-accent);
  }
  .page-about .story-chapter {
    padding: 48px 40px 72px;
    scroll-margin-top: calc(var(--header-height) + 24px);
  }
  .page-about .story-chapter--tint {
    padding: 40px 40px 56px;
  }
  .page-about .story-chapter--dark {
    margin-inline: 0;
    padding: 56px 48px 64px;
  }
  .page-about .chapter-head {
    gap: 24px;
    margin-bottom: 32px;
  }
  .page-about .chapter-head__index {
    font-size: 6rem;
  }
  .page-about .chapter-head__title {
    font-size: 2.25rem;
  }
  .page-about .pain-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .capability-stats {
    gap: 16px;
    margin-bottom: 28px;
  }
  .page-about .stat-cell {
    padding: 24px 16px;
  }
  .page-about .value-scene {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-about .milestone-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .page-about .trust-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .page-about .story-chapter:target .chapter-head__title {
    box-shadow: inset 0 -0.5em 0 rgba(255, 107, 44, 0.25);
  }
}

.page-about .story-layout:has(#brand-origin:target) .story-nav__link[href="#brand-origin"],
.page-about .story-layout:has(#data-capability:target) .story-nav__link[href="#data-capability"],
.page-about .story-layout:has(#user-value:target) .story-nav__link[href="#user-value"],
.page-about .story-layout:has(#milestones:target) .story-nav__link[href="#milestones"],
.page-about .story-layout:has(#trust:target) .story-nav__link[href="#trust"] {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}