.page-about {
  --page-num-size: clamp(96px, 16vw, 180px);
}

.page-about .breadcrumbs {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
}

.page-about .about-hero {
  position: relative;
  margin: 0 0 0.75rem;
  padding: 3rem 1.25rem 4.75rem;
  background: var(--grad-primary);
  color: var(--c-white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(100deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 36px), repeating-linear-gradient(10deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 36px);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto;
}

.page-about .about-hero-kicker {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-accent);
  background: rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
}

.page-about .about-hero h1 {
  margin: 0 0 1.25rem;
  font-size: 2.1rem;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.page-about .about-hero-lead {
  max-width: 42rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 2rem;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-about .about-hero-cta {
  border: none;
  background: var(--grad-cta);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.25);
}

.page-about .about-hero-btn {
  border: 3px solid rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.12);
  color: var(--c-white);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.2);
}

.page-about .about-chapter {
  position: relative;
  padding: 4.25rem 1.25rem;
  overflow: hidden;
}

.page-about .chapter-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto;
}

.page-about .about-chapter-num {
  position: absolute;
  z-index: 0;
  top: 0.5rem;
  right: 0.25rem;
  font-family: var(--font-num);
  font-size: var(--page-num-size);
  font-weight: 900;
  line-height: 1;
  color: rgba(17, 24, 39, 0.05);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.03em;
}

.page-about .section-label {
  display: inline-block;
  margin-bottom: 0.7rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-primary);
}

.page-about .about-chapter h2 {
  margin: 0 0 1.75rem;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 900;
  line-height: 1.25;
}

.page-about .about-section-lead {
  max-width: 38rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-gray);
  margin-bottom: 2.5rem;
}

.page-about .img-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.page-about .about-origin {
  background: var(--c-white);
}

.page-about .about-origin-grid {
  display: grid;
  gap: 2rem;
  align-items: stretch;
}

.page-about .about-origin-copy {
  border-left: 4px solid var(--c-accent);
  padding-left: 1.25rem;
}

.page-about .about-origin-copy p {
  font-size: 1rem;
  line-height: 1.8;
  margin: 0 0 1rem;
  color: var(--c-ink);
}

.page-about .about-origin-remark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-bg-mint);
  border-radius: var(--radius);
  font-weight: 700;
  color: var(--c-primary-dark);
}

.page-about .about-origin-img {
  border: 4px solid var(--c-ink);
  box-shadow: 8px 8px 0 rgba(17, 24, 39, 0.18);
  background: var(--c-bg-mint);
}

.page-about .about-milestones {
  background: linear-gradient(180deg, var(--c-bg-soft) 0%, #ffffff 100%);
}

.page-about .about-milestones .about-chapter-num {
  color: rgba(22, 163, 74, 0.07);
}

.page-about .timeline {
  position: relative;
  display: grid;
  gap: 1.75rem;
  margin: 0 0 2.5rem;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent) 55%, var(--c-blue));
  border-radius: 4px;
}

.page-about .timeline-item {
  position: relative;
  padding-left: 2.75rem;
}

.page-about .timeline-item::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 22px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--c-white);
  border: 4px solid var(--c-primary);
}

.page-about .timeline-card {
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.page-about .timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.page-about .timeline-marker {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--c-primary);
  color: var(--c-white);
  font-family: var(--font-num);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.page-about .timeline-marker-v2 {
  background: var(--c-accent);
}

.page-about .timeline-marker-v3 {
  background: var(--c-blue);
}

.page-about .timeline-marker-v31 {
  background: var(--grad-cta);
}

.page-about .timeline-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 900;
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-about .about-milestones-img {
  border: 4px solid var(--c-primary-dark);
  box-shadow: 10px 10px 0 rgba(22, 163, 74, 0.18);
  background: var(--c-bg-soft);
}

.page-about .about-team {
  background: var(--c-white);
}

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

.page-about .about-team-img {
  border: 4px solid var(--c-ink);
  box-shadow: 8px 8px 0 rgba(17, 24, 39, 0.16);
  background: var(--c-bg-mint);
}

.page-about .about-team-copy p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-ink);
  margin: 0 0 1.5rem;
}

.page-about .about-team-copy ul {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.page-about .about-team-copy li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.5rem;
  border-bottom: 1px solid var(--c-bg-mint);
  line-height: 1.6;
  color: var(--c-gray);
}

.page-about .about-team-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 10px;
  height: 10px;
  background: var(--c-accent);
  border-radius: 2px;
}

.page-about .about-honors {
  background: linear-gradient(135deg, var(--c-primary-dark) 0%, var(--c-blue) 100%);
  color: var(--c-white);
}

.page-about .about-honors .section-label {
  color: var(--c-accent);
}

.page-about .about-honors h2 {
  color: var(--c-white);
}

.page-about .about-honors .about-chapter-num {
  color: rgba(255, 255, 255, 0.08);
}

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

.page-about .honor-card {
  position: relative;
  background: var(--c-white);
  color: var(--c-ink);
  border: 4px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.75rem;
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.page-about .honor-card:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 28px rgba(0, 0, 0, 0.24);
}

.page-about .honor-badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 4px;
  background: var(--grad-cta);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.page-about .honor-card h3 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 900;
}

.page-about .honor-card p {
  margin: 0;
  line-height: 1.7;
  color: var(--c-gray);
  font-size: 0.95rem;
}

.page-about .about-impact {
  background: linear-gradient(180deg, var(--c-bg-soft) 0%, #ffffff 100%);
}

.page-about .impact-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 0 0 2.5rem;
}

.page-about .stat-item {
  border: 4px solid var(--c-ink);
  border-radius: var(--radius);
  background: var(--c-white);
  box-shadow: 8px 8px 0 rgba(17, 24, 39, 0.12);
  padding: 1.75rem 1rem;
  text-align: center;
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}

.page-about .stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 12px 12px 0 rgba(17, 24, 39, 0.16);
}

.page-about .stat-num {
  display: block;
  font-family: var(--font-num);
  font-weight: 900;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--c-primary);
  margin-bottom: 0.5rem;
}

.page-about .stat-label {
  font-size: 0.875rem;
  color: var(--c-gray);
  font-weight: 500;
}

.page-about .about-impact-note {
  max-width: 46rem;
  background: rgba(255, 255, 255, 0.85);
  border-left: 4px solid var(--c-primary);
  padding: 1.25rem 1.5rem;
  line-height: 1.7;
  color: var(--c-ink);
  margin: 0 0 2rem;
}

.page-about .about-impact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 768px) {
  .page-about .about-hero {
    padding: 5rem 2rem 6rem;
  }

  .page-about .about-hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    max-width: 14em;
  }

  .page-about .about-chapter {
    padding: 5rem 2rem;
  }

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

  .page-about .about-team-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2.5rem;
  }

  .page-about .about-honors-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }

  .page-about .impact-stats {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
  }

  .page-about .stat-num {
    font-size: 3.4rem;
  }
}

@media (min-width: 880px) {
  .page-about .timeline-item:nth-child(odd) {
    margin-right: 12%;
  }

  .page-about .timeline-item:nth-child(even) {
    margin-left: 12%;
  }
}