.page-about {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about > section,
.page-about > nav.breadcrumb {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-left: var(--space);
  padding-right: var(--space);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding-top: calc(var(--header-h) + 1.5rem);
  padding-bottom: 0.5rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-about .breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-about .breadcrumb a:hover {
  color: var(--brand);
}

.page-about .about-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 2.5rem;
  padding-bottom: 1rem;
}

.page-about .about-hero-heading .page-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 12vw, 6.5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-shadow: 0 0 26px rgba(123, 48, 224, 0.35);
}

.page-about .about-hero-sub {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 3vw, 1.5rem);
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
}

.page-about .about-hero-summary .page-summary {
  margin: 0;
  max-width: 36rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-hero-link {
  display: inline-block;
  margin-top: 0.875rem;
  padding-bottom: 0.2rem;
  color: var(--brand);
  font-size: 0.875rem;
  text-decoration: none;
  border-bottom: 1px solid var(--brand);
  transition: color 0.2s ease, padding-left 0.2s ease, border-color 0.2s ease;
}

.page-about .about-hero-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  padding-left: 0.4rem;
}

.page-about .about-hero-media {
  border: 1px solid var(--line);
  background: var(--bg-deep);
  box-shadow: 0 12px 44px rgba(123, 48, 224, 0.16);
  overflow: hidden;
}

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

.page-about section {
  padding-top: 4rem;
  padding-bottom: 0;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-about .kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--line);
  padding: 0.3rem 0.65rem;
  background: rgba(25, 200, 255, 0.03);
}

.page-about h2 {
  margin: 0.9rem 0 1rem;
  font-family: var(--font-display);
  font-size: var(--h2);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-about .about-story-grid {
  display: grid;
  gap: 1.75rem;
}

.page-about .about-story-note {
  border-left: 2px solid var(--brand);
  padding-left: 1rem;
}

.page-about .about-story-note p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--accent);
  font-weight: 600;
}

.page-about .about-story-body p {
  margin: 0 0 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-about .about-story-body strong {
  color: var(--text);
}

.page-about .about-story-quote {
  margin: 1.5rem 0 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--brand);
  background: var(--bg-elevated);
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--text);
}

.page-about .about-timeline-intro {
  margin-top: -0.25rem;
  color: var(--muted);
  line-height: 1.6;
}

.page-about .about-timeline-ornament {
  margin-top: 0.75rem;
  display: block;
}

.page-about .about-timeline-list {
  display: grid;
  gap: 1rem;
  margin-top: 2.25rem;
}

.page-about .about-timeline-item {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-about .about-timeline-item[open] {
  border-color: var(--brand);
  box-shadow: 0 0 36px rgba(123, 48, 224, 0.14);
}

.page-about .about-timeline-summary {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem 0.9rem;
  align-items: center;
  padding: 1.25rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

.page-about .about-timeline-summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline-summary:hover {
  background: rgba(123, 48, 224, 0.08);
}

.page-about .about-timeline-year {
  grid-row: span 2;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.75rem);
  font-weight: 700;
  line-height: 0.9;
  color: var(--brand);
  text-shadow: 0 0 20px rgba(123, 48, 224, 0.5);
}

.page-about .about-timeline-main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-self: center;
}

.page-about .about-timeline-main strong {
  font-size: 1.0625rem;
  color: var(--text);
}

.page-about .about-timeline-tagline {
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-about .about-timeline-mark {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  width: 1.5rem;
  height: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 1rem;
  line-height: 1;
  color: var(--accent);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-about .about-timeline-mark::before {
  content: '+';
}

.page-about .about-timeline-item[open] .about-timeline-mark {
  transform: rotate(135deg);
  border-color: var(--brand);
  background: var(--brand);
  color: #fff;
}

.page-about .about-timeline-detail {
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid rgba(61, 54, 96, 0.5);
}

.page-about .about-timeline-detail p {
  margin: 0.9rem 0 0;
  line-height: 1.75;
  color: var(--muted);
  font-size: 0.9375rem;
}

.page-about .about-timeline-detail strong {
  color: var(--text);
}

.page-about .about-timeline-image {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
}

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

.page-about .about-mission-intro p {
  margin: 0;
  max-width: 36rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-mission-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
  margin-top: 2rem;
}

.page-about .about-stat-card {
  position: relative;
  padding: 1.25rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 0.3rem;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
  box-shadow: 0 0 22px rgba(123, 48, 224, 0.18);
}

.page-about .about-stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
}

.page-about .about-stat-unit {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
}

.page-about .about-stat-label {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-about .about-mission-visual {
  margin-top: 1.75rem;
  border: 1px solid var(--line);
}

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

.page-about .about-mission-closing {
  margin-top: 1.75rem;
  padding: 1.25rem;
  border-left: 3px solid var(--accent);
  background: rgba(25, 200, 255, 0.04);
}

.page-about .about-mission-closing p {
  margin: 0;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-mission-closing strong {
  color: var(--text);
}

.page-about .about-cert-grid {
  display: grid;
  gap: 0.875rem;
  margin-top: 1.5rem;
}

.page-about .about-cert-card {
  display: grid;
  gap: 0.6rem;
  padding: 1.375rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-cert-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(25, 200, 255, 0.12);
}

.page-about .about-cert-index {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.page-about .about-cert-card h3 {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text);
  font-family: var(--font-display);
  line-height: 1.4;
}

.page-about .about-cert-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-about .about-cert-note {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px dashed var(--line);
  display: grid;
  gap: 0.75rem;
}

.page-about .about-cert-note p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-cert-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-bottom: 4rem;
}

.page-about .about-btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-btn:hover {
  border-color: var(--brand);
  color: var(--brand);
  box-shadow: 0 0 16px rgba(123, 48, 224, 0.22);
}

.page-about .about-btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.page-about .about-btn-primary:hover {
  background: transparent;
  border-color: var(--brand);
  color: var(--brand);
  box-shadow: 0 0 18px rgba(123, 48, 224, 0.28);
}

@media (min-width: 768px) {
  .page-about .about-hero {
    grid-template-columns: 1fr 2fr 1fr;
    align-items: end;
    gap: 1rem 2rem;
  }

  .page-about .about-hero-kicker {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-hero-heading {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-hero-summary {
    grid-column: 3;
    grid-row: 1;
  }

  .page-about .about-hero-media {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .page-about .about-story-grid {
    grid-template-columns: 0.8fr 1.4fr;
    gap: 2.5rem;
  }

  .page-about .about-timeline-summary {
    grid-template-columns: 0.7fr 1.3fr;
    gap: 1rem 2rem;
  }

  .page-about .about-timeline-item:nth-child(even) .about-timeline-summary {
    grid-template-columns: 1.3fr 0.7fr;
  }

  .page-about .about-timeline-item:nth-child(even) .about-timeline-year {
    grid-row: 1;
    grid-column: 2;
    text-align: right;
  }

  .page-about .about-timeline-item:nth-child(even) .about-timeline-main {
    grid-row: 1;
    grid-column: 1;
    align-items: flex-end;
    text-align: right;
  }

  .page-about .about-timeline-item:nth-child(even) .about-timeline-mark {
    left: 1.1rem;
    right: auto;
  }

  .page-about .about-mission-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-about .about-cert-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }

  .page-about .about-mission-closing {
    max-width: 44rem;
  }
}