.page-about {
  --page-glow-blue: rgba(0, 212, 255, 0.16);
  --page-glow-purple: rgba(155, 89, 255, 0.16);
  --page-glow-green: rgba(57, 255, 20, 0.14);
  --page-border-soft: rgba(0, 212, 255, 0.3);
  --page-tag-blue: rgba(0, 212, 255, 0.08);
  --page-tag-purple: rgba(155, 89, 255, 0.08);
  --page-tag-green: rgba(57, 255, 20, 0.08);
}

.page-about .about-hero {
  position: relative;
  padding: 80px 0 56px;
  overflow: hidden;
  border-bottom: 1px solid var(--grid-line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 42, 58, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 58, 0.42) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: 40px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--page-glow-purple), transparent 66%);
  pointer-events: none;
}

.page-about .hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: end;
}

.page-about .hero-main {
  max-width: 640px;
}

.page-about .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-blue);
  margin: 0 0 20px;
}

.page-about .hero-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--neon-blue);
  box-shadow: 0 0 10px var(--neon-blue);
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--text-main);
  margin: 0 0 20px;
}

.page-about .hero-lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0 0 30px;
  max-width: 560px;
}

.page-about .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-about .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-about .stat-block {
  background: var(--bg-panel);
  padding: 18px 16px;
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: background-color var(--transition);
}

.page-about .stat-block:hover {
  background: var(--bg-float);
}

.page-about .stat-num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--neon-green);
  text-shadow: 0 0 18px var(--page-glow-green);
}

.page-about .stat-num small {
  font-size: 16px;
  color: var(--text-main);
  margin-left: 4px;
}

.page-about .stat-label {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-about .section-headrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 34px;
}

.page-about .section-index {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--neon-purple);
  line-height: 1;
}

.page-about .section-headrow .section-title {
  margin: 0;
  flex: 1;
}

.page-about .mission-section {
  padding: 64px 0;
}

.page-about .mission-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-about .mission-copy p:first-child {
  font-size: 21px;
  line-height: 1.6;
  color: var(--text-main);
  margin-top: 0;
  font-weight: 500;
}

.page-about .mission-copy p:last-child {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 0;
}

.page-about .value-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--grid-line);
}

.page-about .value-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-about .value-index {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--neon-purple);
}

.page-about .value-list li > span:last-child {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-main);
}

.page-about .timeline-section {
  background: var(--bg-float);
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  padding: 64px 0;
}

.page-about .timeline-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

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

.page-about .timeline-list::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple), var(--neon-green));
  opacity: 0.5;
}

.page-about .timeline-item {
  position: relative;
  padding-left: 46px;
  padding-bottom: 42px;
}

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

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 6px;
  width: 16px;
  height: 16px;
  transform: rotate(45deg);
  background: var(--bg-deep);
  border: 2px solid var(--neon-blue);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.08);
  transition: background-color var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.page-about .timeline-item:hover::before {
  background: var(--neon-blue);
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 6px rgba(0, 212, 255, 0.12), 0 0 18px var(--page-glow-blue);
}

.page-about .timeline-year {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--neon-blue);
}

.page-about .timeline-card {
  margin-top: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  padding: 20px 22px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-about .timeline-card:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.page-about .timeline-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 10px;
}

.page-about .timeline-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0;
}

.page-about .timeline-figure {
  margin: 0;
  border: 1px solid var(--grid-line);
  background: var(--bg-panel);
}

.page-about .timeline-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .timeline-figure figcaption {
  font-size: 12px;
  color: var(--text-dim);
  padding: 14px 16px;
  text-align: center;
  letter-spacing: 0.04em;
}

.page-about .team-section {
  padding: 64px 0;
}

.page-about .team-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-about .team-copy > p:first-child {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  margin-top: 0;
}

.page-about .team-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .team-list li {
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.page-about .team-list li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  opacity: 0;
  transition: opacity var(--transition);
}

.page-about .team-list li:hover {
  border-color: rgba(155, 89, 255, 0.45);
  transform: translateY(-2px);
}

.page-about .team-list li:hover::before {
  opacity: 1;
}

.page-about .team-list h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 8px;
}

.page-about .team-list p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0;
}

.page-about .team-figure {
  margin: 0;
  border: 1px solid var(--grid-line);
  background: var(--bg-panel);
}

.page-about .team-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .team-figure figcaption {
  font-size: 12px;
  color: var(--text-dim);
  padding: 14px 16px;
  text-align: center;
  letter-spacing: 0.04em;
}

.page-about .cert-section {
  padding: 64px 0;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.04), rgba(155, 89, 255, 0.04));
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
}

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

.page-about .cert-card-main {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(150deg, rgba(0, 212, 255, 0.08), rgba(155, 89, 255, 0.08));
  border: 1px solid var(--page-border-soft);
  padding: 32px 26px;
  min-height: 220px;
}

.page-about .cert-card-main::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(0, 212, 255, 0.2);
  pointer-events: none;
}

.page-about .cert-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--neon-green);
  text-transform: uppercase;
  padding: 6px 14px;
  background: var(--page-tag-green);
  border: 1px solid rgba(57, 255, 20, 0.32);
  margin-bottom: 16px;
  position: relative;
}

.page-about .cert-card-main h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 12px;
  position: relative;
}

.page-about .cert-card-main p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0;
  max-width: 280px;
  position: relative;
}

.page-about .cert-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .cert-list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  align-items: start;
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  padding: 20px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.page-about .cert-list li:hover {
  border-color: rgba(155, 89, 255, 0.4);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.page-about .cert-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  color: var(--neon-purple);
  background: var(--page-tag-purple);
  border: 1px solid rgba(155, 89, 255, 0.35);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.page-about .cert-list li:hover .cert-icon {
  background: rgba(155, 89, 255, 0.16);
  box-shadow: 0 0 14px var(--page-glow-purple);
}

.page-about .cert-list h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin: 4px 0 8px;
}

.page-about .cert-list p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0;
}

.page-about .partner-section {
  padding: 64px 0;
}

.page-about .partner-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

.page-about .partner-figure {
  margin: 0;
  order: 2;
  border: 1px solid var(--grid-line);
  background: var(--bg-panel);
}

.page-about .partner-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .partner-figure figcaption {
  font-size: 12px;
  color: var(--text-dim);
  padding: 14px 16px;
  text-align: center;
  letter-spacing: 0.04em;
}

.page-about .partner-list {
  margin: 0;
  order: 1;
  display: grid;
  gap: 16px;
}

.page-about .partner-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--grid-line);
  padding: 22px;
  transition: border-color var(--transition), transform var(--transition);
}

.page-about .partner-item:hover {
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-2px);
}

.page-about .partner-tag {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--neon-blue);
  background: var(--page-tag-blue);
  border: 1px solid rgba(0, 212, 255, 0.25);
  padding: 4px 10px;
}

.page-about .partner-item:nth-child(2) .partner-tag {
  color: var(--neon-purple);
  background: var(--page-tag-purple);
  border-color: rgba(155, 89, 255, 0.26);
}

.page-about .partner-item:nth-child(3) .partner-tag {
  color: var(--neon-green);
  background: var(--page-tag-green);
  border-color: rgba(57, 255, 20, 0.24);
}

.page-about .partner-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.page-about .partner-item p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0;
}

.page-about .page-cta {
  padding: 72px 0;
  border-top: 1px solid var(--grid-line);
  background: radial-gradient(ellipse at center, rgba(155, 89, 255, 0.1), transparent 70%);
  text-align: center;
}

.page-about .page-cta h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  margin: 0 0 12px;
}

.page-about .page-cta p {
  font-size: 15px;
  color: var(--text-dim);
  max-width: 460px;
  margin: 0 auto 28px;
}

.page-about .cta-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

@supports (animation-timeline: view()) {
  .page-about .timeline-item {
    animation: page-about-tl-reveal both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }

  @keyframes page-about-tl-reveal {
    from {
      opacity: 0.4;
      filter: saturate(0.5);
    }
    to {
      opacity: 1;
      filter: saturate(1);
    }
  }
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 96px 0 64px;
  }

  .page-about .hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
  }

  .page-about .about-hero h1 {
    font-size: 40px;
  }

  .page-about .mission-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
  }

  .page-about .timeline-layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-about .team-layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
  }

  .page-about .cert-layout {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
  }

  .page-about .partner-layout {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
  }

  .page-about .partner-figure {
    order: 1;
  }

  .page-about .partner-list {
    order: 2;
  }

  .page-about .mission-section,
  .page-about .timeline-section,
  .page-about .team-section,
  .page-about .cert-section,
  .page-about .partner-section {
    padding: 80px 0;
  }

  .page-about .page-cta {
    padding: 84px 0;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero h1 {
    font-size: 54px;
    line-height: 1.08;
  }

  .page-about .hero-lead {
    font-size: 17px;
  }

  .page-about .stat-num {
    font-size: 40px;
  }

  .page-about .section-headrow {
    margin-bottom: 44px;
  }

  .page-about .mission-section,
  .page-about .timeline-section,
  .page-about .team-section,
  .page-about .cert-section,
  .page-about .partner-section {
    padding: 100px 0;
  }

  .page-about .page-cta {
    padding: 96px 0;
  }
}