.page-about {
  position: relative;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow: hidden;
}

.page-about::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 120px 48px, 120px 48px, 60px 48px;
  transform: skewY(-1.5deg);
}

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

.page-about__hero {
  padding: 2rem 0 3rem;
}

.page-about .breadcrumbs {
  margin-bottom: 1.75rem;
}

.page-about__hero-grid {
  display: grid;
  gap: 2rem;
}

.page-about__eyebrow {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  background: rgba(28, 37, 65, 0.5);
  padding: 0.4rem 0.8rem;
  color: var(--color-highlight);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
}

.page-about__title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0.85rem 0 1rem;
}

.page-about__lead {
  margin: 0;
  max-width: 64ch;
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.page-about__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-about__hero-stats {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.page-about__stat {
  background: rgba(28, 37, 65, 0.78);
  padding: 1rem 1.2rem;
}

.page-about__stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  line-height: 1.1;
  color: var(--color-accent);
}

.page-about__stat-label {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.page-about__figure {
  margin: 0;
  position: relative;
}

.page-about__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.page-about__figure figcaption {
  margin-top: 0.65rem;
  padding-left: 0.65rem;
  border-left: 2px solid var(--color-highlight);
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.page-about__hero-figure {
  margin-top: 0.25rem;
}

.page-about__section {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

.page-about__section-heading {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.page-about__section-index {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1;
  color: var(--color-highlight);
}

.page-about__section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  line-height: 1.05;
}

.page-about__section-intro {
  margin: 0;
  max-width: 74ch;
  color: var(--color-text-muted);
}

.page-about__timeline {
  margin: 2rem 0 0;
  padding-left: 1.1rem;
  position: relative;
}

.page-about__timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(var(--color-accent), var(--color-highlight), var(--color-border));
}

.page-about__timeline-item {
  margin: 0 0 1.1rem;
}

.page-about__timeline-summary {
  display: grid;
  grid-template-columns: auto minmax(3.6ch, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  list-style: none;
  cursor: pointer;
  padding: 1rem 1.1rem;
  background: rgba(28, 37, 65, 0.5);
  border: 1px solid var(--color-border);
  transition: background 0.2s, border-color 0.2s;
}

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

.page-about__timeline-summary::marker {
  content: "";
}

.page-about__timeline-summary:hover {
  border-color: rgba(255, 107, 53, 0.6);
  background: rgba(28, 37, 65, 0.85);
}

.page-about__timeline-dot {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--color-highlight);
  transform: rotate(45deg);
}

.page-about__timeline-year {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--color-accent);
}

.page-about__timeline-name {
  font-weight: 700;
  margin-right: 0.5rem;
}

.page-about__timeline-marker {
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

.page-about__timeline-item[open] .page-about__timeline-marker {
  transform: rotate(45deg);
  color: var(--color-highlight);
}

.page-about__timeline-item[open] .page-about__timeline-summary {
  border-bottom-color: transparent;
}

.page-about__timeline-content {
  padding: 1.1rem 1.2rem clamp(1.2rem, 3vw, 2rem) 4rem;
  background: rgba(10, 17, 40, 0.62);
  border: 1px solid var(--color-border);
  border-top: 0;
  color: var(--color-text-muted);
}

.page-about__timeline-content p {
  margin: 0 0 0.7rem;
}

.page-about__timeline-content p:last-child {
  margin: 0;
}

.page-about__data-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.page-about__flow {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: flow;
}

.page-about__flow li {
  position: relative;
  counter-increment: flow;
  padding: 0.95rem 0 0.95rem 3rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.page-about__flow li strong {
  color: var(--color-text);
}

.page-about__flow li::before {
  content: counter(flow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.9rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-accent);
}

.page-about__update-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about__update-card {
  position: relative;
  padding: 1.4rem 1.3rem 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.page-about__update-card::before {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 1.4rem;
  height: 1.4rem;
  background: var(--color-accent);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.page-about__update-card--member::before {
  background: var(--color-highlight);
}

.page-about__update-card--docs::before {
  background: var(--color-text);
}

.page-about__update-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

.page-about__update-status {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-highlight);
  box-shadow: 0 0 0 4px rgba(230, 255, 0, 0.12);
  flex: 0 0 auto;
}

.page-about__update-card--member .page-about__update-status {
  background: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.14);
}

.page-about__update-card--docs .page-about__update-status {
  background: var(--color-text);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.12);
}

.page-about__update-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.page-about__update-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.page-about__update-card ul {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.page-about__update-card li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.15rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.page-about__update-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.4rem;
  height: 0.4rem;
  transform: rotate(45deg);
  background: var(--color-highlight);
}

.page-about__update-links {
  margin-top: 1.1rem;
}

.page-about__compliance-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about__compliance-card {
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-highlight);
  background: rgba(28, 37, 65, 0.35);
}

.page-about__compliance-card--icp {
  border-top-color: var(--color-accent);
}

.page-about__compliance-card h3 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}

.page-about__compliance-card p,
.page-about__compliance-card li {
  color: var(--color-text-muted);
  font-size: 0.93rem;
}

.page-about__compliance-card ul {
  margin: 0;
  padding-left: 1.15rem;
}

.page-about__compliance-card li {
  margin-bottom: 0.45rem;
}

.page-about__compliance-card li:last-child {
  margin-bottom: 0;
}

.page-about__commit-grid {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.page-about__commit-copy p {
  margin: 0;
  max-width: 62ch;
  color: var(--color-text-muted);
}

.page-about__commit-list {
  list-style: none;
  margin: 1.5rem 0 2rem;
  padding: 0;
}

.page-about__commit-list li {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  padding: 0.8rem 0 0.8rem 1.8rem;
  font-weight: 600;
}

.page-about__commit-list li::before {
  content: "→";
  position: absolute;
  left: 0.1rem;
  top: 0.75rem;
  color: var(--color-accent);
  font-weight: 700;
}

.page-about__commit-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about__note {
  margin-top: 2rem;
  padding: 1rem 1.2rem;
  background: rgba(28, 37, 65, 0.4);
  border-left: 2px solid var(--color-accent);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

@media (min-width: 720px) {
  .page-about__update-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about__compliance-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about__hero {
    padding: 3rem 0 4.5rem;
  }

  .page-about__hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
    gap: 3rem;
  }

  .page-about__data-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-about__commit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-about__section {
    padding: 4rem 0;
  }
}