.page-about {
  position: relative;
  background-color: var(--bg-deep);
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.008) 0 2px, transparent 2px 34px);
}

.page-about .about-hero {
  position: relative;
  padding: 2rem 0 2.5rem;
  border-bottom: 1px solid var(--border-soft);
  background: linear-gradient(118deg, transparent 58%, rgba(125,60,233,0.07) 58%, rgba(125,60,233,0.02) 78%, transparent 78%), linear-gradient(180deg, var(--bg-deeper), var(--bg-deep));
}

.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}

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

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  margin: 0.9rem 0 1rem;
}

.page-about .about-hero-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-mist);
  max-width: 46rem;
  margin: 0;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-about .about-hero-code {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
}

.page-about .about-hero-code-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-strong);
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--text-mist);
}

.page-about .about-hero-code-stat {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--data-green);
  font-size: 0.78rem;
}

.page-about .about-hero-code-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 0;
  padding: 0.65rem 0;
  border-bottom: 1px dashed var(--border-soft);
}

.page-about .about-hero-code-row:last-child {
  border-bottom: none;
}

.page-about .about-hero-code-row dt {
  font-size: 0.85rem;
  color: var(--text-mist);
}

.page-about .about-hero-code-row dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-orange);
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding: 2.5rem 0 1rem;
}

.page-about .about-rail-inner {
  display: flex;
  flex-direction: column;
}

.page-about .about-rail-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mist);
}

.page-about .about-rail-track {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0 0 0.5rem;
  scrollbar-width: thin;
}

.page-about .about-rail-node {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: var(--glass);
  color: var(--text-mist);
  text-decoration: none;
  font-size: 0.82rem;
  white-space: nowrap;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
}

.page-about .about-rail-node:hover {
  color: var(--text-light);
  border-color: var(--accent-purple);
  background: var(--accent-purple-soft);
}

.page-about .about-rail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-purple);
  flex: 0 0 auto;
}

.page-about .about-rail-code {
  font-family: var(--font-data);
  font-size: 0.72rem;
  color: var(--text-mist);
}

.page-about .about-rail-label {
  font-weight: 500;
}

.page-about .about-rail-foot {
  display: none;
}

.page-about .about-content {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  min-width: 0;
}

.page-about .about-section {
  scroll-margin-top: 2rem;
  position: relative;
}

.page-about .about-section-head {
  margin-bottom: 1.5rem;
}

.page-about .about-section-code {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent-purple);
  margin-bottom: 0.35rem;
}

.page-about .about-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--text-light);
}

.page-about .about-section p {
  line-height: 1.7;
  color: var(--text-mist);
}

.page-about .about-mission-lead {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.45;
  color: var(--text-light);
  border-left: 4px solid var(--accent-orange);
  padding-left: 1rem;
  margin: 1.4rem 0 1.2rem;
}

.page-about .about-mission-cards {
  margin-top: 1.75rem;
}

.page-about .about-mission-card {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius);
}

.page-about .about-mission-icon {
  font-family: var(--font-data);
  font-size: 0.85rem;
  color: var(--accent-purple);
}

.page-about .about-mission-card h3 {
  font-size: 1rem;
  margin: 0.6rem 0 0.4rem;
}

.page-about .about-mission-card p {
  font-size: 0.9rem;
  margin: 0;
}

.page-about .about-history-figure {
  margin: 0 0 2.5rem;
  padding: 0.75rem;
  background: linear-gradient(135deg, rgba(125,60,233,0.12), rgba(10,22,40,0.3));
  border: 1px solid var(--border-soft);
  border-radius: calc(var(--radius) + 2px);
}

.page-about .about-history-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, rgba(125,60,233,0.45), rgba(255,90,31,0.4));
}

.page-about .about-timeline-item {
  position: relative;
  padding-left: 34px;
  margin-bottom: 1.25rem;
}

.page-about .about-timeline-item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.55rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--accent-purple);
  box-sizing: border-box;
}

.page-about .about-timeline-year {
  display: block;
  font-family: var(--font-data);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 0.3rem;
}

.page-about .about-timeline-card {
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
}

.page-about .about-timeline-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.02rem;
  color: var(--text-light);
}

.page-about .about-timeline-card p {
  margin: 0;
  font-size: 0.9rem;
}

.page-about .about-data-grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.page-about .about-data-copy p {
  margin-top: 0;
}

.page-about .about-data-list {
  list-style: none;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-about .about-data-list li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-light);
  border-bottom: 1px dashed var(--border-soft);
  padding-bottom: 0.6rem;
}

.page-about .about-data-list-num {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--accent-orange);
  min-width: 56px;
}

.page-about .about-validation {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-about .about-data-figure {
  margin: 0;
  padding: 0.5rem;
  background: var(--glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  position: relative;
}

.page-about .about-data-figure::after {
  content: "DATA COVERAGE";
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.25rem 0.5rem;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-light);
  background: rgba(6, 14, 28, 0.72);
  border-radius: 2px;
}

.page-about .about-data-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-about .about-stats {
  gap: 1rem;
}

.page-about .about-stat-card {
  padding: 1.6rem 1.25rem;
  text-align: center;
  border-radius: var(--radius);
}

.page-about .about-stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-mist);
}

.page-about .about-stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1.1;
  margin-top: 0.5rem;
  color: var(--text-light);
}

.page-about .about-stat-num[data-accent="orange"] {
  color: var(--accent-orange);
}

.page-about .about-stat-num[data-accent="purple"] {
  color: var(--accent-purple);
}

.page-about .about-stat-num[data-accent="green"] {
  color: var(--data-green);
}

.page-about .about-team-grid {
  display: grid;
  gap: 1.5rem;
}

.page-about .about-team-copy p:first-child {
  margin-top: 0;
}

.page-about .about-cert-list {
  display: grid;
  gap: 0.6rem;
  margin: 1rem 0 1.25rem;
}

.page-about .about-cert-card {
  display: block;
  padding: 0.85rem 1rem;
  background: var(--glass);
  border-left: 3px solid var(--accent-purple);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--text-light);
}

.page-about .about-recognized {
  margin-top: 1rem;
  border-top: 1px solid var(--border-soft);
  padding-top: 1rem;
}

.page-about .about-team-figure {
  margin: 0;
  padding: 0.5rem;
  background: linear-gradient(115deg, rgba(125,60,233,0.1), rgba(255,90,31,0.05));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
}

.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 2px);
  object-fit: cover;
}

.page-about .about-partners-desc {
  margin: 0 0 1.5rem;
  max-width: 60ch;
}

.page-about .about-partners-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-about .about-partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem 0.75rem;
  background: var(--glass);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  text-align: center;
  cursor: default;
  transition: transform 0.3s var(--ease-out), border-color 0.3s, background 0.3s;
}

.page-about .about-partner-card:hover {
  border-color: var(--accent-orange);
  background: var(--accent-orange-soft);
  transform: translateY(-3px);
}

.page-about .about-partner-icon {
  font-family: var(--font-data);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-light);
}

.page-about .about-partner-name {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-mist);
  transition: color 0.3s;
}

.page-about .about-partner-card:focus-within .about-partner-name {
  color: var(--text-light);
}

@media (min-width: 768px), (min-width: 0px) {
  .page-about .about-timeline::before {
    left: 96px;
  }
  .page-about .about-timeline-item {
    padding-left: 128px;
    margin-bottom: 1.75rem;
  }
  .page-about .about-timeline-item::before {
    left: 90px;
    top: 1.05rem;
  }
  .page-about .about-timeline-year {
    position: absolute;
    left: 0;
    top: 1.05rem;
    width: 88px;
    text-align: right;
    margin-bottom: 0;
  }
  .page-about .about-data-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
  }
  .page-about .about-team-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
  }
  .page-about .about-partners-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 3rem 0 3.5rem;
  }
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    gap: 4rem;
  }
  .page-about .about-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
    padding: 4rem 0 2rem;
  }
  .page-about .about-rail {
    position: sticky;
    top: 2rem;
  }
  .page-about .about-rail-track {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    overflow-x: visible;
    padding: 0.25rem 0 0.5rem;
  }
  .page-about .about-rail-track::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, rgba(125,60,233,0.55), rgba(255,90,31,0.4));
    opacity: 0.3;
  }
  .page-about .about-rail-node {
    display: grid;
    grid-template-columns: 12px 32px 1fr;
    gap: 0;
    align-items: center;
    width: 100%;
    padding: 0.6rem 0.6rem;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    white-space: normal;
    font-size: 0.92rem;
  }
  .page-about .about-rail-node:hover {
    background: var(--accent-purple-soft);
    border-color: transparent;
  }
  .page-about .about-rail-dot {
    width: 12px;
    height: 12px;
    justify-self: center;
    background: var(--accent-purple);
    border: 3px solid var(--bg-deep);
    box-shadow: 0 0 0 2px rgba(125,60,233,0.22);
  }
  .page-about .about-rail-code {
    font-size: 0.8rem;
  }
  .page-about .about-rail-foot {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 1.5rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-soft);
    font-family: var(--font-data);
    font-size: 0.72rem;
    color: var(--text-mist);
  }
  .page-about .about-rail-foot span::before {
    content: "# ";
    color: var(--accent-purple);
  }
  .page-about .about-content {
    gap: 5.5rem;
  }
  .page-about .about-mission-lead {
    font-size: 1.6rem;
  }
  .page-about .about-stat-num {
    font-size: 2.7rem;
  }
}

@media (min-width: 1024px) and (hover: hover) {
  .page-about .about-partner-name {
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), color 0.3s;
  }
  .page-about .about-partner-card:hover .about-partner-name,
  .page-about .about-partner-card:focus-within .about-partner-name {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition: none !important;
    animation: none !important;
  }
}