.page-about {
  position: relative;
  padding-top: 8px;
}

.page-about::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 10% 10%, rgba(157, 0, 255, 0.09), transparent 45%),
    radial-gradient(ellipse at 90% 30%, rgba(255, 107, 0, 0.06), transparent 40%),
    repeating-linear-gradient(0deg, transparent 0px, transparent 5px, rgba(0, 229, 255, 0.02) 5px, rgba(0, 229, 255, 0.02) 6px);
}

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

.page-about .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 24px 0 4px;
  font-size: 13px;
}

.page-about .breadcrumb-link {
  color: var(--electric-purple);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}

.page-about .breadcrumb-link:hover {
  color: var(--neon-orange);
}

.page-about .breadcrumb-sep {
  margin: 0 4px;
  color: var(--text-muted);
}

.page-about .breadcrumb-current {
  color: var(--text-muted);
}

.page-about .archive-hero {
  padding-top: 16px;
}

.page-about .hero-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  aspect-ratio: 3 / 1;
  min-height: 360px;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.page-about .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.page-about .hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 10, 15, 0.9) 0%, rgba(10, 10, 15, 0.55) 50%, rgba(10, 10, 15, 0.75) 100%);
}

.page-about .hero-scanline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-orange) 0%, var(--electric-purple) 50%, var(--neon-cyan) 100%);
}

.page-about .hero-content {
  position: relative;
  padding: clamp(20px, 5vw, 52px) clamp(16px, 5vw, 56px) clamp(24px, 5vw, 56px);
}

.page-about .hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.page-about .eyebrow-slash {
  color: var(--neon-orange);
}

.page-about .hero-content h1 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  text-shadow: 0 0 30px rgba(255, 107, 0, 0.28);
}

.page-about .hero-subtitle {
  margin: 10px 0 12px;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--electric-purple);
}

.page-about .hero-lead {
  max-width: 680px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-about .hero-lead strong {
  color: var(--neon-orange);
}

.page-about .hero-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 18px;
}

.page-about .hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(18, 18, 26, 0.72);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
}

.page-about .meta-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--neon-cyan);
  box-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
}

.page-about .section {
  padding-top: 48px;
}

.page-about .stats-panel {
  padding-top: 32px;
}

.page-about .section-head {
  margin-bottom: 24px;
}

.page-about .section-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--neon-cyan);
}

.page-about .section-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.2;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.page-about .stats-terminal {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
  overflow: hidden;
}

.page-about .terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(10, 10, 15, 0.6);
  border-bottom: 1px solid var(--border-color);
}

.page-about .terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-pill);
}

.page-about .terminal-dot--red {
  background: #ff5f57;
}

.page-about .terminal-dot--yellow {
  background: #febc2e;
}

.page-about .terminal-dot--green {
  background: #28c840;
}

.page-about .terminal-path {
  margin-left: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.page-about .stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 16px;
}

.page-about .stat-card {
  position: relative;
  overflow: hidden;
  padding: 18px 16px;
  background: var(--bg-secondary);
  border: 1px solid rgba(157, 0, 255, 0.14);
  border-radius: var(--radius-md);
}

.page-about .stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-orange), transparent 75%);
  opacity: 0.75;
}

.page-about .stat-top {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-about .stat-num {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--neon-orange);
  text-shadow: 0 0 18px rgba(255, 107, 0, 0.25);
}

.page-about .stat-unit {
  font-size: 13px;
  color: var(--text-muted);
}

.page-about .stat-caption {
  margin: 10px 0 4px;
  font-size: 15px;
  color: var(--text-primary);
}

.page-about .stat-desc {
  margin: 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-muted);
}

.page-about .history-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .timeline-media {
  position: relative;
  margin-bottom: 32px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .timeline-img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.7;
  filter: grayscale(1) contrast(1.1);
}

.page-about .timeline-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 10, 15, 0.3), transparent 60%);
  pointer-events: none;
}

.page-about .media-label {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--neon-cyan);
  background: rgba(10, 10, 15, 0.82);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-pill);
}

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

.page-about .timeline-list::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-orange), var(--electric-purple) 60%, transparent);
}

.page-about .timeline-item {
  position: relative;
  padding-left: 44px;
  margin-bottom: 24px;
}

.page-about .timeline-item:last-child {
  margin-bottom: 0;
}

.page-about .timeline-marker {
  position: absolute;
  left: 5px;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-pill);
  background: var(--bg-primary);
  border: 3px solid var(--neon-orange);
  box-shadow: 0 0 14px rgba(255, 107, 0, 0.45);
}

.page-about .timeline-card {
  padding: 16px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .timeline-item:hover .timeline-card {
  border-color: rgba(255, 107, 0, 0.38);
  box-shadow: 0 0 24px rgba(255, 107, 0, 0.08);
  transform: translateX(4px);
}

.page-about .timeline-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.16);
  border-radius: var(--radius-pill);
}

.page-about .timeline-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--text-primary);
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about .history-aside {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-content: start;
}

.page-about .aside-card {
  padding: 16px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.page-about .aside-card--serial {
  border-left: 3px solid var(--neon-orange);
}

.page-about .aside-datum {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--electric-purple);
}

.page-about .aside-serial {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--neon-orange);
}

.page-about .aside-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about .aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-about .aside-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  color: var(--text-primary);
}

.page-about .aside-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--electric-purple);
  box-shadow: 0 0 6px rgba(157, 0, 255, 0.5);
}

.page-about .aside-cta {
  text-align: center;
}

.page-about .system-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .system-chart {
  text-align: center;
}

.page-about .system-chart-link {
  display: block;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-secondary);
}

.page-about .system-chart-img {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 auto;
  transition: transform 0.3s var(--ease-out);
}

.page-about .system-chart-link:hover .system-chart-img {
  transform: scale(1.02);
}

.page-about .chart-remark {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.page-about .system-block {
  margin-bottom: 16px;
  padding: 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.page-about .system-block:last-child {
  margin-bottom: 0;
}

.page-about .system-block h3 {
  margin: 0 0 14px;
  font-family: var(--font-title);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--neon-orange);
}

.page-about .system-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .system-item {
  display: flex;
  gap: 12px;
}

.page-about .system-icon {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  margin-top: 4px;
  border-radius: var(--radius-pill);
}

.page-about .system-icon--orange {
  background: var(--neon-orange);
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.6);
}

.page-about .system-icon--purple {
  background: var(--electric-purple);
  box-shadow: 0 0 10px rgba(157, 0, 255, 0.6);
}

.page-about .system-icon--cyan {
  background: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
}

.page-about .system-item strong {
  display: block;
  margin-bottom: 2px;
  font-size: 14px;
  color: var(--text-primary);
}

.page-about .system-item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-about .feature-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .feature-check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-primary);
}

.page-about .feature-check-list li::before {
  content: '›';
  position: absolute;
  left: 6px;
  top: -1px;
  font-size: 17px;
  color: var(--neon-cyan);
}

.page-about .feature-check-list strong {
  color: var(--neon-orange);
}

.page-about .promise-frame {
  padding: clamp(20px, 4vw, 40px);
  background:
    linear-gradient(135deg, rgba(157, 0, 255, 0.07), transparent 50%),
    var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.page-about .promise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-about .promise-card {
  padding: 20px;
  background: var(--bg-tertiary);
  border: 1px solid rgba(0, 229, 255, 0.12);
  border-radius: var(--radius-md);
}

.page-about .promise-num {
  font-family: var(--font-title);
  font-size: 22px;
  letter-spacing: 0.08em;
  color: var(--neon-cyan);
  opacity: 0.7;
}

.page-about .promise-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.page-about .promise-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-about .promise-note {
  margin-top: 24px;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
  background: rgba(255, 107, 0, 0.05);
  border-left: 3px solid var(--neon-orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-about .cta-links {
  padding-bottom: 48px;
}

.page-about .cta-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .cta-tile {
  position: relative;
  display: block;
  padding: 24px 48px 24px 20px;
  color: var(--text-primary);
  text-decoration: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}

.page-about .cta-tile:hover {
  transform: translateY(-3px);
}

.page-about .cta-tile--orange:hover {
  border-color: rgba(255, 107, 0, 0.6);
  box-shadow: 0 8px 24px rgba(255, 107, 0, 0.15);
}

.page-about .cta-tile--purple:hover {
  border-color: rgba(157, 0, 255, 0.6);
  box-shadow: 0 8px 24px rgba(157, 0, 255, 0.16);
}

.page-about .cta-tile--cyan:hover {
  border-color: rgba(0, 229, 255, 0.6);
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.12);
}

.page-about .cta-tile--neutral:hover {
  border-color: rgba(138, 138, 158, 0.6);
  box-shadow: 0 8px 24px rgba(138, 138, 158, 0.1);
}

.page-about .cta-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-about .cta-title {
  display: block;
  font-family: var(--font-title);
  font-size: 20px;
  letter-spacing: 0.02em;
}

.page-about .cta-arrow {
  position: absolute;
  right: 16px;
  top: 24px;
  font-size: 22px;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease-out);
}

.page-about .cta-tile:hover .cta-arrow {
  transform: translateX(5px);
}

.page-about [data-reveal] {
  transition: opacity 0.38s var(--ease-out), transform 0.38s var(--ease-out);
}

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

  .page-about .cta-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .promise-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .promise-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-about .history-layout {
    grid-template-columns: 1fr 300px;
    gap: 36px;
    align-items: start;
  }

  .page-about .system-layout {
    grid-template-columns: 300px 1fr;
    gap: 40px;
  }

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

  .page-about .promise-card:last-child {
    grid-column: auto;
  }
}

@media (min-width: 1080px) {
  .page-about .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .cta-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}