.page-about {
  --story-rail-width: 240px;
  --story-gap: 48px;
  background: var(--bg-primary);
  color: var(--text-primary);
  padding-bottom: 96px;
  position: relative;
}

.page-about .breadcrumb {
  padding: 24px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}
.page-about .breadcrumb a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-about .breadcrumb a:hover {
  color: var(--accent-orange);
}
.page-about .breadcrumb__sep {
  margin: 0 8px;
  color: var(--text-muted);
}

.page-about .story-hero {
  padding: 56px 0 64px;
  position: relative;
}
.page-about .story-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(30, 111, 235, 0.14), transparent 48%),
    radial-gradient(ellipse at 85% 80%, rgba(255, 122, 26, 0.10), transparent 48%);
  pointer-events: none;
}
.page-about .story-hero__inner {
  display: grid;
  gap: 40px;
  position: relative;
}
.page-about .story-hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}
.page-about .story-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text-primary);
}
.page-about .story-hero__lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0;
}
.page-about .story-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.page-about .story-hero__visual {
  position: relative;
}
.page-about .story-hero__visual::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(30, 111, 235, 0.25);
  border-radius: var(--radius);
  pointer-events: none;
  z-index: 0;
}
.page-about .story-hero__visual .img-placeholder {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  position: relative;
  z-index: 1;
}
.page-about .story-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .story-layout {
  display: grid;
  gap: var(--story-gap);
  padding-top: 8px;
}

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

.page-about .story-chapter {
  padding: 48px 0;
  border-top: 1px solid var(--border-glass);
  position: relative;
}
.page-about .story-chapter:first-of-type {
  border-top: none;
}
.page-about .story-chapter__header {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.page-about .story-chapter__index {
  font-family: var(--font-data);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent-blue);
  min-width: 72px;
  transition: -webkit-text-stroke-color var(--transition-fast);
}
.page-about .story-chapter:hover .story-chapter__index {
  -webkit-text-stroke-color: var(--accent-orange);
}
.page-about .story-chapter__headline .section-label {
  margin-bottom: 8px;
}
.page-about .story-chapter__headline h2 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  margin: 0;
  color: var(--text-primary);
}
.page-about .story-chapter__body {
  max-width: 780px;
}
.page-about .story-chapter__body > p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0 0 16px;
}

.page-about .story-quote {
  margin: 32px 0;
  padding: 24px 28px;
  background: var(--bg-glass);
  border-left: 3px solid var(--accent-orange);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.page-about .story-quote blockquote {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-primary);
}

.page-about .story-pillars {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}
.page-about .story-pillars .data-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.page-about .story-pillars .data-card:hover {
  border-color: rgba(30, 111, 235, 0.45);
  transform: translateY(-2px);
}
.page-about .data-card__title {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.page-about .data-card__value {
  font-family: var(--font-data);
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-cyan);
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.page-about .data-card__value--orange {
  color: var(--accent-orange);
}
.page-about .data-card__value--blue {
  color: var(--accent-blue);
}
.page-about .data-card__unit {
  font-size: 16px;
  color: var(--text-muted);
}
.page-about .data-card__meta {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

.page-about .story-timeline {
  position: relative;
  padding-left: 0;
  margin-top: 32px;
}
.page-about .story-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-cyan) 60%, var(--accent-orange));
}
.page-about .story-timeline__item {
  position: relative;
  padding-bottom: 44px;
  padding-left: 44px;
}
.page-about .story-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .story-timeline__item::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-blue);
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.page-about .story-timeline__item:hover::before,
.page-about .story-timeline__item:focus-within::before {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 6px rgba(255, 122, 26, 0.15);
}
.page-about .story-timeline__marker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.page-about .story-timeline__year {
  font-family: var(--font-data);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-orange);
  line-height: 1;
}
.page-about .story-timeline__badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  letter-spacing: 0.06em;
}
.page-about .story-timeline__card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}
.page-about .story-timeline__item:hover .story-timeline__card,
.page-about .story-timeline__item:focus-within .story-timeline__card {
  border-color: rgba(30, 111, 235, 0.45);
  transform: translateY(-2px);
}
.page-about .story-timeline__card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin: 0 0 8px;
  color: var(--text-primary);
}
.page-about .story-timeline__card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0;
}
.page-about .story-timeline__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border-glass);
}
.page-about .story-timeline__stat {
  font-family: var(--font-data);
  font-size: 14px;
  color: var(--text-muted);
}
.page-about .story-timeline__stat strong {
  color: var(--accent-cyan);
  font-weight: 700;
}
.page-about .story-timeline__img {
  margin-top: 16px;
  border-radius: var(--radius);
  width: 100%;
  height: auto;
  display: block;
}

.page-about .story-team__grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}
.page-about .story-team__card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.page-about .story-team__card:hover {
  border-color: rgba(255, 122, 26, 0.4);
}
.page-about .story-team__num {
  font-family: var(--font-data);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent-blue);
  position: absolute;
  top: 14px;
  right: 18px;
  transition: -webkit-text-stroke-color var(--transition-fast);
}
.page-about .story-team__card:hover .story-team__num {
  -webkit-text-stroke-color: var(--accent-orange);
}
.page-about .story-team__card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  margin: 0 0 10px;
  color: var(--text-primary);
}
.page-about .story-team__card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin: 0 0 14px;
}
.page-about .story-team__media {
  margin-top: 28px;
}
.page-about .story-team__media .img-placeholder {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}
.page-about .story-team__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .story-credential__list {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.page-about .story-credential__item {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  transition: border-color var(--transition-fast);
}
.page-about .story-credential__item:hover {
  border-color: rgba(30, 111, 235, 0.4);
}
.page-about .story-credential__icon {
  font-size: 24px;
  color: var(--accent-blue);
  flex-shrink: 0;
  line-height: 1.4;
}
.page-about .story-credential__item h3 {
  font-family: var(--font-heading);
  font-size: 16px;
  margin: 0 0 6px;
  color: var(--text-primary);
}
.page-about .story-credential__item p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}
.page-about .story-credential__note {
  margin-top: 28px;
  padding: 16px 20px;
  border-left: 2px solid var(--accent-orange);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-about .story-cta {
  margin-top: 56px;
  padding: 48px 24px;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.page-about .story-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan), var(--accent-orange));
}
.page-about .story-cta h2 {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 32px);
  margin: 0 0 12px;
  color: var(--text-primary);
}
.page-about .story-cta p {
  color: var(--text-secondary);
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.65;
}
.page-about .story-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media (min-width: 900px) {
  .page-about .story-hero {
    padding: 64px 0 80px;
  }
  .page-about .story-hero__inner {
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 56px;
  }
  .page-about .story-hero h1 {
    font-size: clamp(34px, 4.2vw, 54px);
  }
  .page-about .story-hero__lead {
    font-size: 19px;
  }
  .page-about .story-hero__visual::after {
    inset: 16px -16px -16px 16px;
  }

  .page-about .story-layout {
    grid-template-columns: var(--story-rail-width) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .story-rail {
    display: block;
    position: sticky;
    top: 130px;
    padding: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
  }
  .page-about .story-rail__brand {
    font-family: var(--font-heading);
    font-size: 16px;
    line-height: 1.4;
    color: var(--text-primary);
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-glass);
    letter-spacing: 0.03em;
  }
  .page-about .story-rail__nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
  .page-about .story-rail__nav a {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
  }
  .page-about .story-rail__nav a span {
    font-family: var(--font-data);
    font-size: 12px;
    color: var(--text-muted);
  }
  .page-about .story-rail__nav a:hover,
  .page-about .story-rail__nav a:focus-visible {
    background: rgba(255, 255, 255, 0.06);
    color: var(--accent-cyan);
  }
  .page-about .story-rail__note {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border-glass);
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.55;
  }
  .page-about .story-rail__note p {
    margin: 10px 0 0;
  }
  .page-about .story-rail__dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-orange);
    margin-right: 4px;
    animation: story-rail-pulse 2s ease-in-out infinite;
  }
  @keyframes story-rail-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
  }

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

  .page-about .story-timeline {
    padding-left: 0;
    margin-top: 40px;
  }
  .page-about .story-timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }
  .page-about .story-timeline__item {
    width: 50%;
    padding-left: 0;
    padding-right: 52px;
    padding-bottom: 56px;
  }
  .page-about .story-timeline__item::before {
    left: auto;
    right: -8px;
    top: 14px;
  }
  .page-about .story-timeline__item:nth-child(even) {
    margin-left: 50%;
    padding-left: 52px;
    padding-right: 0;
  }
  .page-about .story-timeline__item:nth-child(even)::before {
    left: -8px;
    right: auto;
  }

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

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