.page-about {
  padding-bottom: 96px;
  overflow-x: clip;
}

.page-about-main {
  min-width: 0;
}

.page-about-hero {
  padding: 40px 0 72px;
  background:
    linear-gradient(180deg, rgba(18, 43, 64, 0.16) 0%, rgba(18, 43, 64, 0) 240px),
    linear-gradient(180deg, var(--color-pale) 0%, var(--color-snow) 100%);
}

.page-about-hero-top {
  position: relative;
  background: var(--color-navy);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: 32px 28px 44px;
  box-shadow: 0 18px 40px -24px rgba(18, 43, 64, 0.42);
}

.page-about-hero-top .breadcrumb {
  color: var(--color-yellow);
  font-size: 13px;
}

.page-about-hero-top .breadcrumb a {
  color: var(--color-yellow);
  text-decoration: none;
}

.page-about-hero-top .breadcrumb a:hover {
  color: var(--color-snow);
}

.page-about-hero-top .page-heading-kicker {
  margin: 18px 0 0;
  color: var(--color-gold);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-about-title {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.8vw, 3.75rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--color-snow);
  max-width: 15em;
}

.page-about-hero-flags {
  height: 6px;
  background: linear-gradient(90deg,
    var(--color-red) 0 20%,
    var(--color-gold) 20% 40%,
    var(--color-yellow) 40% 60%,
    var(--color-green) 60% 80%,
    var(--color-blue) 80% 100%);
}

.page-about-hero-bottom {
  background: var(--color-snow);
  border: 1px solid var(--color-gray);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 28px 28px 32px;
}

.page-about-lead {
  margin: 0 0 24px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-ink);
  max-width: 48em;
}

.page-about-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.page-about-stat {
  padding: 16px 14px;
  background: var(--color-snow);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
}

.page-about-stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  font-weight: 900;
  line-height: 1;
  color: var(--color-navy);
}

.page-about-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--color-blue);
}

.page-about-layout {
  display: block;
  margin-top: 8px;
}

.page-about-side {
  margin: 24px 0 40px;
  padding: 20px;
  background: var(--color-snow);
  border: 1px solid var(--color-gray);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-md);
}

.page-about-toc-label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.page-about-toc a {
  display: block;
  padding: 9px 0;
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px dashed var(--color-gray);
}

.page-about-toc a:last-child {
  border-bottom: none;
}

.page-about-toc a:hover {
  color: var(--color-red);
}

.page-about-side-note {
  margin: 18px 0 0;
  padding: 14px 0 0 16px;
  border-left: 3px solid var(--color-navy);
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-ink);
}

.page-about-section {
  scroll-margin-top: calc(var(--header-height) + 16px);
  padding: 48px 0 8px;
}

.page-about-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-navy);
}

.page-about-section-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-red);
}

.page-about-section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 900;
  color: var(--color-navy);
}

.page-about-section-link {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: none;
  white-space: nowrap;
}

.page-about-section-link:hover {
  text-decoration: underline;
}

.page-about figure {
  margin: 0;
}

.page-about figcaption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-blue);
}

.page-about .image-frame {
  margin: 0;
  padding: 10px;
  background: var(--color-snow);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
}

.page-about .image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.page-about-origin-grid {
  display: grid;
  gap: 32px;
}

.page-about-origin-copy p {
  margin: 0 0 1em;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-ink);
}

.page-about-origin-copy p:last-child {
  margin-bottom: 0;
}

.page-about-timeline {
  position: relative;
  display: grid;
  gap: 14px;
  padding-left: 18px;
  border-left: 3px solid var(--color-navy);
}

.page-about-timeline-item {
  background: var(--color-snow);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about-timeline-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--transition-fast);
}

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

.page-about-timeline-item summary:hover {
  background: var(--color-pale);
}

.page-about-timeline-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-gold);
}

.page-about-timeline-item[open] summary::after {
  content: "−";
}

.page-about-timeline-marker {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-snow);
  background: var(--color-navy);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  line-height: 1.2;
}

.page-about-timeline-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--color-navy);
}

.page-about-timeline-body {
  padding: 4px 20px 22px;
}

.page-about-timeline-body p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-ink);
}

.page-about-timeline-item:nth-child(1) .page-about-timeline-marker {
  background: var(--color-red);
  color: var(--color-snow);
}

.page-about-timeline-item:nth-child(2) .page-about-timeline-marker {
  background: var(--color-gold);
  color: var(--color-navy);
}

.page-about-timeline-item:nth-child(3) .page-about-timeline-marker {
  background: var(--color-yellow);
  color: var(--color-navy);
}

.page-about-timeline-item:nth-child(4) .page-about-timeline-marker {
  background: var(--color-green);
  color: var(--color-snow);
}

.page-about-timeline-item:nth-child(5) .page-about-timeline-marker {
  background: var(--color-blue);
  color: var(--color-snow);
}

.page-about-workflow {
  display: grid;
  gap: 32px;
}

.page-about-workflow-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about-workflow-steps li {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: var(--color-pale);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
}

.page-about-workflow-index {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-red);
  min-width: 2.2em;
}

.page-about-workflow-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--color-navy);
}

.page-about-workflow-steps p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-ink);
}

.page-about-arch-grid {
  display: grid;
  gap: 32px;
}

.page-about-arch-list {
  display: grid;
  gap: 14px;
}

.page-about-arch-item {
  padding: 18px 20px;
  background: var(--color-pale);
  border: 1px solid var(--color-gray);
  border-left: 4px solid var(--color-navy);
  border-radius: var(--radius-md);
}

.page-about-arch-item p {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-ink);
}

.page-about-culture {
  max-width: 720px;
}

.page-about-culture-lead {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 3.2vw, 1.75rem);
  line-height: 1.5;
  font-weight: 900;
  color: var(--color-navy);
}

.page-about-culture p {
  margin: 0 0 1em;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-ink);
}

.page-about-culture-flags {
  display: flex;
  height: 6px;
  margin: 32px 0 28px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-gray);
}

.page-about-culture-flags span {
  flex: 1;
}

.page-about-culture-flags span:nth-child(1) {
  background: var(--color-red);
}

.page-about-culture-flags span:nth-child(2) {
  background: var(--color-gold);
}

.page-about-culture-flags span:nth-child(3) {
  background: var(--color-yellow);
}

.page-about-culture-flags span:nth-child(4) {
  background: var(--color-green);
}

.page-about-culture-flags span:nth-child(5) {
  background: var(--color-blue);
}

.page-about-extended {
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid var(--color-gray);
}

.page-about-extended .page-about-section-head {
  border-bottom-color: var(--color-gold);
}

.page-about-extended-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about-extended .story-card {
  display: block;
  padding: 24px 22px;
  background: var(--color-snow);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
}

.page-about-extended .story-card:hover {
  border-color: var(--color-navy);
  box-shadow: 0 16px 30px -24px var(--color-navy);
  transform: translateY(-2px);
}

.page-about-extended .story-card-title {
  margin: 12px 0 6px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--color-navy);
}

.page-about-extended .story-card-meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-blue);
}

@media (min-width: 640px) {
  .page-about-hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about-workflow {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about-workflow-steps {
    gap: 14px;
  }

  .page-about-arch-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

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

@media (min-width: 960px) {
  .page-about-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    margin-top: 0;
  }

  .page-about-side {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    margin: 0;
  }

  .page-about-origin-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 40px;
  }
}