.page-about {
  background: var(--ink);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
  padding-top: clamp(1rem, 3vw, 2.5rem);
}
.page-about [data-scroll-spy-item] {
  scroll-margin-top: 1.5rem;
}
.page-about .about-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}
.page-about .breadcrumb {
  font-size: var(--text-sm);
}
.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}
.page-about .about-index-link {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  line-height: 1;
  color: var(--muted);
  text-decoration: none;
  padding: 0.55rem 0.85rem 0.55rem 0.9rem;
  border-left: 3px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 0.5rem) 0, 100% 100%, 0.5rem 100%);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.page-about .about-index-link:hover,
.page-about .about-index-link:focus-visible,
.page-about .about-index-link[aria-current="true"],
.page-about .about-index-link.is-active {
  color: var(--ink);
  background: var(--neon);
  border-left-color: var(--neon);
}
.page-about .about-hero {
  position: relative;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin-bottom: clamp(3rem, 8vw, 5rem);
  background:
    radial-gradient(circle at 15% 20%, rgba(200, 255, 0, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 90% 10%, rgba(0, 214, 224, 0.05) 0%, transparent 35%);
}
.page-about .about-hero::after {
  content: "";
  display: block;
  height: 6px;
  width: 100%;
  max-width: 8rem;
  background: linear-gradient(90deg, var(--signal), var(--neon));
  clip-path: polygon(0 0, 100% 0, calc(100% - 1rem) 100%, 0 100%);
  margin-top: 0.5rem;
}
.page-about .about-hero-main {
  max-width: 54rem;
}
.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 5.5vw, var(--text-4xl));
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
}
.page-about .about-hero-lead {
  font-size: clamp(var(--text-base), 2vw, var(--text-md));
  color: var(--muted);
  max-width: 46rem;
  margin: 0 0 1.5rem;
}
.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-about .about-hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  align-self: stretch;
}
.page-about .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--panel);
  padding: 1rem 1.1rem;
  border-top: 3px solid var(--signal);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 1rem) 0, 100% 1rem, 100% 100%, 1rem 100%, 0 calc(100% - 1rem));
}
.page-about .hero-stat:last-of-type {
  border-top-color: var(--neon);
}
.page-about .hero-stat-num {
  font-family: var(--font-data);
  font-size: var(--text-2xl);
  color: var(--neon);
  line-height: 1;
  white-space: nowrap;
}
.page-about .hero-stat-unit {
  font-size: var(--text-base);
  color: var(--signal);
  margin-left: 0.15rem;
}
.page-about .hero-stat-label {
  color: var(--muted);
  font-size: var(--text-sm);
}
.page-about .hero-stat-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: var(--text-xs);
  border-left: 2px solid var(--line);
  padding: 0.25rem 0.75rem;
}
.page-about .about-split {
  position: relative;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: clamp(3.5rem, 8vw, 5.5rem);
}
.page-about .about-split::before {
  content: "";
  position: absolute;
  top: 3rem;
  bottom: 3rem;
  left: 50%;
  width: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(to bottom, var(--signal), var(--neon));
  opacity: 0.18;
  transform: skewX(-18deg) translateX(-50%);
  pointer-events: none;
  z-index: 0;
}
.page-about .about-timeline-col,
.page-about .about-data-col {
  position: relative;
  z-index: 1;
}
.page-about .section-head {
  margin-bottom: 1.5rem;
}
.page-about .section-kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--signal);
  padding: 0.35rem 0.75rem;
  clip-path: polygon(0 0, calc(100% - 0.5rem) 0, 100% 100%, 0.5rem 100%);
  margin: 0 0 0.5rem;
}
.page-about .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
  line-height: 1.15;
  margin: 0 0 0.5rem;
}
.page-about .section-description {
  color: var(--muted);
  font-size: var(--text-sm);
  margin: 0;
  max-width: 40rem;
}
.page-about .about-timeline-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.page-about .about-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 3.75rem 1fr;
  gap: 1rem;
  padding-bottom: 2rem;
}
.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 1.5rem;
  top: 2.25rem;
  bottom: 0;
  width: 2px;
  background: var(--line);
}
.page-about .about-timeline-item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline-item:last-child::before {
  display: none;
}
.page-about .about-timeline-year {
  position: relative;
  z-index: 1;
  height: fit-content;
  font-family: var(--font-data);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.1;
  color: var(--neon);
  background: var(--panel);
  border-left: 3px solid var(--signal);
  text-align: center;
  padding: 0.5rem 0.15rem;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.page-about .about-timeline-item:hover .about-timeline-year {
  background: var(--neon);
  color: var(--ink);
  border-left-color: var(--neon);
}
.page-about .about-timeline-body {
  background: var(--panel);
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 0.75rem) 0, 100% 0.75rem, 100% 100%, 0.75rem 100%, 0 calc(100% - 0.75rem));
}
.page-about .about-timeline-body h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  margin: 0 0 0.4rem;
  color: var(--white);
}
.page-about .about-timeline-body p {
  font-size: var(--text-sm);
  color: var(--muted);
  margin: 0;
}
.page-about .about-timeline-figure {
  margin-top: 1.75rem;
}
.page-about .about-data-head {
  display: grid;
  gap: 1.5rem;
}
.page-about .about-data-figure {
  margin: 0;
}
.page-about .about-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem 1.25rem;
  margin-top: 1.25rem;
}
.page-about .about-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: var(--text-xs);
}
.page-about .about-legend-key {
  width: 0.75rem;
  height: 0.75rem;
  display: inline-block;
  background: var(--neon);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 25% 100%);
}
.page-about .about-legend-key--signal {
  background: var(--signal);
}
.page-about .about-legend-key--cyan {
  background: var(--data-cyan);
}
.page-about .about-legend-key--amber {
  background: var(--amber);
}
.page-about .about-stat-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}
.page-about .about-stat-card {
  position: relative;
  min-height: 9.5rem;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 1rem) 0, 100% 1rem, 100% 100%, 1rem 100%, 0 calc(100% - 1rem));
  cursor: default;
}
.page-about .about-stat-card:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}
.page-about .about-stat-front,
.page-about .about-stat-back {
  position: absolute;
  inset: 0;
  padding: 1.15rem 1.25rem;
  transition: opacity 0.18s ease;
}
.page-about .about-stat-front {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-about .about-stat-back {
  opacity: 0;
  background: var(--elevated);
  clip-path: polygon(0 0, calc(100% - 1rem) 0, 100% 1rem, 100% 100%, 1rem 100%, 0 calc(100% - 1rem));
}
.page-about .about-stat-card:hover .about-stat-front,
.page-about .about-stat-card:focus-within .about-stat-front {
  opacity: 0;
}
.page-about .about-stat-card:hover .about-stat-back,
.page-about .about-stat-card:focus-within .about-stat-back {
  opacity: 1;
}
.page-about .about-stat-num {
  font-family: var(--font-data);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}
.page-about .about-stat-unit {
  font-family: var(--font-display);
  font-size: var(--text-md);
  color: var(--muted);
}
.page-about .about-stat-back p {
  font-size: var(--text-sm);
  color: var(--white);
  margin: 0;
  line-height: 1.65;
}
.page-about .about-stat-back p::before {
  content: "→ ";
  color: var(--signal);
  font-family: var(--font-data);
}
.page-about .about-live {
  position: relative;
  margin-bottom: clamp(3rem, 7vw, 5rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: linear-gradient(135deg, var(--panel) 0%, var(--ink) 55%, var(--panel) 100%);
  border-left: 4px solid var(--signal);
  border-right: 4px solid var(--neon);
  clip-path: polygon(0 0, calc(100% - 2rem) 0, 100% 2rem, 100% 100%, 2rem 100%, 0 calc(100% - 2rem));
}
.page-about .about-live .section-head {
  margin-bottom: 0.5rem;
}
.page-about .about-live-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}
.page-about .about-live-item {
  background: var(--panel);
  padding: 1.25rem 1.35rem;
  border-left: 4px solid var(--signal);
}
.page-about .about-live-item--primary {
  border-left-color: var(--neon);
}
.page-about .about-live-num {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--signal);
  margin-bottom: 0.4rem;
}
.page-about .about-live-item--primary .about-live-num {
  color: var(--neon);
}
.page-about .about-live-unit {
  font-size: var(--text-base);
  color: var(--muted);
  margin-left: 0.15rem;
}
.page-about .about-live-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  margin: 0 0 0.35rem;
}
.page-about .about-live-item p {
  font-size: var(--text-xs);
  color: var(--muted);
  margin: 0;
  line-height: 1.6;
}
.page-about .about-live-note {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}
.page-about .about-live-note p {
  color: var(--muted);
  font-size: var(--text-xs);
  margin: 0;
  max-width: 48rem;
}
.page-about .about-eco {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-bottom: clamp(3rem, 7vw, 4rem);
}
.page-about .about-eco::before {
  content: "";
  position: absolute;
  top: 3rem;
  left: -1rem;
  height: 4px;
  width: 30%;
  background: var(--data-cyan);
  opacity: 0.4;
  transform: skewX(-32deg);
  pointer-events: none;
}
.page-about .about-eco-main {
  order: 2;
}
.page-about .about-eco-figure {
  order: 1;
  margin: 0;
}
.page-about .about-eco-grid {
  margin: 1.5rem 0 1.25rem;
}
.page-about .about-eco-node {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--signal);
  margin-bottom: 0.75rem;
  clip-path: polygon(0 0, calc(100% - 0.75rem) 0, 100% 0.75rem, 100% 100%, 0.75rem 100%, 0 calc(100% - 0.75rem));
}
.page-about .about-eco-node:last-child {
  margin-bottom: 0;
}
.page-about .about-eco-node[open] {
  border-left-color: var(--neon);
}
.page-about .about-eco-node summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--text-base);
  padding: 1rem 1.25rem;
  position: relative;
  color: var(--white);
}
.page-about .about-eco-node summary::-webkit-details-marker {
  display: none;
}
.page-about .about-eco-node summary::after {
  content: "+";
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--signal);
  font-family: var(--font-data);
  font-size: var(--text-lg);
  line-height: 1;
}
.page-about .about-eco-node[open] summary::after {
  content: "–";
  color: var(--neon);
}
.page-about .about-eco-node p {
  margin: 0;
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: var(--text-sm);
}
.page-about .about-page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.5rem 0 0.5rem;
  border-top: 1px solid var(--line);
}
.page-about .media-frame {
  margin: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.375rem;
  clip-path: polygon(0 0, calc(100% - 0.75rem) 0, 100% 0.75rem, 100% 100%, 0.75rem 100%, 0 calc(100% - 0.75rem));
}
.page-about .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .media-frame figcaption {
  padding: 0.6rem 0.25rem 0.15rem;
  color: var(--muted);
  font-size: var(--text-xs);
}
@media (min-width: 640px) {
  .page-about .about-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about .about-live-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
  }
  .page-about .about-live-item--primary,
  .page-about .about-live-item--accent {
    grid-column: span 3;
  }
}
@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: 3fr 2fr;
    align-items: end;
  }
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
  .page-about .about-eco {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }
  .page-about .about-eco-main {
    order: 2;
  }
  .page-about .about-eco-figure {
    order: 1;
  }
}
@media (min-width: 960px) {
  .page-about .about-live-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-about .about-live-item--primary {
    grid-column: span 7;
  }
  .page-about .about-live-item--accent {
    grid-column: span 5;
  }
  .page-about .about-live-num {
    font-size: var(--text-3xl);
  }
}