.page-about {
  --about-prose-max: 68ch;
  background: linear-gradient(180deg, var(--space-night) 0%, var(--space-deep) 40%, var(--space-night) 100%);
  color: var(--star-white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

.page-about .story-hero {
  position: relative;
  display: grid;
  gap: 2rem;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2.5rem var(--content-pad) 3.5rem;
  background:
    radial-gradient(1.5px 1.5px at 12% 22%, rgba(255, 209, 102, 0.7) 0, transparent 100%),
    radial-gradient(1px 1px at 28% 68%, rgba(102, 224, 255, 0.8) 0, transparent 100%),
    radial-gradient(2px 2px at 76% 32%, rgba(57, 255, 136, 0.6) 0, transparent 100%),
    radial-gradient(1px 1px at 86% 74%, rgba(124, 108, 240, 0.6) 0, transparent 100%),
    radial-gradient(1.5px 1.5px at 92% 12%, rgba(245, 247, 250, 0.5) 0, transparent 100%),
    linear-gradient(180deg, var(--space-night) 0%, var(--space-deep) 60%, var(--space-night) 100%);
}

.page-about .story-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(57, 255, 136, 0) 0%, rgba(57, 255, 136, 0.6) 25%, rgba(102, 224, 255, 0.6) 50%, rgba(255, 209, 102, 0.6) 75%, rgba(57, 255, 136, 0) 100%);
}

.page-about .story-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-green);
}

.page-about .story-kicker::before {
  content: "✦";
  color: var(--star-yellow);
}

.page-about .story-hero h1 {
  max-width: 14em;
  margin: 0 0 1.25rem;
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--star-white);
}

.page-about .story-hero-lead {
  max-width: var(--about-prose-max);
  margin: 0 0 0.875rem;
  font-size: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  line-height: 1.65;
  color: var(--star-white);
}

.page-about .story-hero-sub {
  max-width: var(--about-prose-max);
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--silver-blue);
}

.page-about .story-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-about .story-hero-art {
  position: relative;
}

.page-about .story-hero-frame {
  position: relative;
  margin: 0;
  background: var(--space-orbit);
  clip-path: polygon(1.75rem 0, 100% 1.25rem, calc(100% - 1.75rem) 100%, 0 calc(100% - 1.25rem));
}

.page-about .story-hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-about .story-hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(57, 255, 136, 0.15), transparent 45%);
  pointer-events: none;
}

.page-about .story-hero-frame figcaption {
  position: absolute;
  right: 1.25rem;
  bottom: 1.25rem;
  left: 3.5rem;
  margin: 0;
  padding: 0.5rem 0.75rem;
  background: rgba(8, 20, 38, 0.72);
  border-left: 2px solid var(--neon-green);
  border-radius: 0.25rem 0.5rem 0.5rem 0.25rem;
  font-size: 0.8125rem;
  color: var(--silver-blue);
  backdrop-filter: blur(4px);
}

.page-about .story-chapter {
  position: relative;
  display: grid;
  gap: 1.25rem;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 3rem var(--content-pad);
}

.page-about .story-chapter-body {
  min-width: 0;
}

.page-about .story-chapter-meta {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.page-about .story-chapter-index {
  font-family: var(--font-head);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 0.9;
  color: var(--neon-green);
  opacity: 0.85;
  text-shadow: 0 0 20px rgba(57, 255, 136, 0.3);
  user-select: none;
}

.page-about .story-chapter-label {
  padding-left: 0.75rem;
  border-left: 2px solid var(--star-yellow);
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-blue);
}

.page-about .story-chapter-body h2 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  letter-spacing: -0.015em;
  color: var(--star-white);
}

.page-about .story-chapter-body h2::after {
  content: "";
  flex: 0 0 2.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-green), transparent);
}

.page-about .story-chapter-intro {
  max-width: var(--about-prose-max);
  margin: 0 0 0.875rem;
  font-size: 1rem;
  color: var(--silver-blue);
}

.page-about .story-chapter-lead {
  max-width: var(--about-prose-max);
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--star-white);
}

.page-about .star-map-grid {
  display: grid;
  gap: 1rem;
  margin: 1.75rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-about .star-map-item {
  position: relative;
  overflow: hidden;
  padding: 1.25rem 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(11, 30, 58, 0.92), rgba(22, 50, 94, 0.78));
  border: 1px solid rgba(102, 224, 255, 0.16);
  border-radius: 0.875rem;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .star-map-item::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: radial-gradient(circle at top right, rgba(57, 255, 136, 0.18), transparent 70%);
  pointer-events: none;
}

.page-about .star-map-item:hover {
  transform: translateY(-5px);
  border-color: rgba(57, 255, 136, 0.55);
  box-shadow: 0 14px 34px rgba(2, 10, 24, 0.45);
}

.page-about .star-map-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.75rem;
  border-radius: 999px;
  background: rgba(57, 255, 136, 0.1);
  color: var(--neon-green);
  font-size: 1.25rem;
}

.page-about .star-map-item:nth-child(2n) .star-map-icon {
  background: rgba(255, 209, 102, 0.1);
  color: var(--star-yellow);
}

.page-about .star-map-item h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--star-white);
}

.page-about .star-map-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--silver-blue);
}

.page-about .pull-quote {
  margin: 1.5rem 0 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--star-yellow);
  border-radius: 0 0.75rem 0.75rem 0;
  background: rgba(255, 209, 102, 0.06);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--star-white);
}

.page-about .story-chapter--timeline {
  padding-bottom: 3.5rem;
}

.page-about .story-timeline {
  position: relative;
  margin-top: 2rem;
  padding: 0;
}

.page-about .story-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 1.25rem;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-green), var(--ice-cyan) 55%, var(--star-yellow));
  opacity: 0.5;
}

.page-about .story-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

.page-about .timeline-node {
  display: grid;
  place-items: center;
}

.page-about .timeline-dot {
  position: relative;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(57, 255, 136, 0.14), 0 0 16px rgba(57, 255, 136, 0.5);
}

.page-about .timeline-dot::after {
  content: "";
  position: absolute;
  inset: -0.375rem;
  border: 1px solid rgba(57, 255, 136, 0.45);
  border-radius: 50%;
  animation: about-pulse 2.2s var(--ease-out) infinite;
}

.page-about .story-timeline-item:nth-child(3n) .timeline-dot {
  background: var(--star-yellow);
  box-shadow: 0 0 0 4px rgba(255, 209, 102, 0.14), 0 0 16px rgba(255, 209, 102, 0.5);
}

.page-about .story-timeline-item:nth-child(3n) .timeline-dot::after {
  border-color: rgba(255, 209, 102, 0.45);
}

.page-about .timeline-card {
  background: var(--space-deep);
  border: 1px solid rgba(184, 196, 208, 0.14);
  border-radius: 0.875rem;
  padding: 1.125rem 1.25rem;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .story-timeline-item:hover .timeline-card {
  transform: translateX(4px);
  border-color: rgba(57, 255, 136, 0.45);
  box-shadow: 0 10px 26px rgba(2, 10, 24, 0.35);
}

.page-about .timeline-tag {
  display: inline-block;
  margin-bottom: 0.375rem;
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--star-yellow);
}

.page-about .timeline-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--star-white);
}

.page-about .timeline-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--silver-blue);
}

.page-about .story-timeline-bg {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--content-pad) 1.5rem;
}

.page-about .story-timeline-bg img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(102, 224, 255, 0.18);
  border-radius: 1rem;
}

.page-about .story-timeline-bg figcaption {
  margin-top: 0.625rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--silver-blue);
}

.page-about .story-data-flow {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-about .data-flow-list {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .data-flow-item {
  padding: 1.125rem 1.25rem;
  background: var(--space-deep);
  border-left: 3px solid var(--neon-green);
  border-radius: 0.375rem 0.75rem 0.75rem 0.375rem;
  transition: transform 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.page-about .data-flow-item:hover {
  transform: translateX(4px);
  background: var(--space-orbit);
}

.page-about .data-flow-step {
  display: block;
  margin-bottom: 0.375rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--star-yellow);
}

.page-about .data-flow-item h3 {
  margin: 0 0 0.375rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  color: var(--star-white);
}

.page-about .data-flow-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--silver-blue);
}

.page-about .story-data-figure,
.page-about .story-archive-figure {
  margin: 0;
}

.page-about .story-data-figure img,
.page-about .story-archive-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(102, 224, 255, 0.16);
  border-radius: 1rem;
}

.page-about .story-data-figure figcaption,
.page-about .story-archive-figure figcaption {
  margin-top: 0.625rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--silver-blue);
}

.page-about .story-chapter--archive {
  padding-bottom: 3.5rem;
}

.page-about .story-archive-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-about .archive-list {
  display: grid;
  gap: 0.875rem;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-about .archive-list li {
  position: relative;
  padding-left: 1.75rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--silver-blue);
}

.page-about .archive-list li::before {
  content: "★";
  position: absolute;
  top: 0;
  left: 0;
  font-size: 0.875rem;
  color: var(--star-yellow);
}

.page-about .story-next {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 3rem var(--content-pad) 4.5rem;
}

.page-about .story-next h2 {
  margin: 0 0 1.5rem;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  color: var(--star-white);
}

.page-about .story-next-grid {
  display: grid;
  gap: 1rem;
}

.page-about .story-next-card {
  display: block;
  padding: 1.375rem 1.5rem;
  background: var(--space-orbit);
  border: 1px solid rgba(184, 196, 208, 0.14);
  border-radius: 0.875rem;
  color: var(--star-white);
  text-decoration: none;
  transition: transform 0.3s var(--ease-out), border-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.page-about .story-next-card:hover {
  transform: translateY(-5px);
  border-color: rgba(57, 255, 136, 0.5);
  box-shadow: 0 12px 30px rgba(2, 10, 24, 0.4);
}

.page-about .story-next-label {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--neon-green);
}

.page-about .story-next-card:nth-child(2n) .story-next-label {
  color: var(--star-yellow);
}

.page-about .story-next-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-size: 1.125rem;
  color: var(--star-white);
}

.page-about .story-next-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--silver-blue);
}

.page-about .story-top-link {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--space-deep);
  border: 1px solid rgba(57, 255, 136, 0.45);
  border-radius: 999px;
  color: var(--neon-green);
  font-family: var(--font-head);
  font-size: 0.8125rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(2, 10, 24, 0.45);
  transition: background 0.3s var(--ease-out), color 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

.page-about .story-top-link:hover {
  background: var(--neon-green);
  color: var(--space-night);
  transform: translateY(-2px);
}

.page-about .story-top-star {
  font-size: 1rem;
}

@keyframes about-pulse {
  0% {
    transform: scale(0.65);
    opacity: 0.9;
  }
  70% {
    transform: scale(1.6);
    opacity: 0;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

@media (min-width: 720px) {
  .page-about .story-hero {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 2.5rem;
    padding-top: 3.5rem;
    padding-bottom: 4.5rem;
  }

  .page-about .story-chapter {
    grid-template-columns: minmax(140px, 220px) 1fr;
    column-gap: 2rem;
    align-items: start;
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .page-about .story-chapter-meta {
    position: sticky;
    top: calc(var(--header-height) + 1rem);
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .page-about .story-chapter-index {
    font-size: 3rem;
  }

  .page-about .story-chapter-label {
    padding-left: 0;
    border-left: 0;
    border-top: 2px solid var(--star-yellow);
    padding-top: 0.5rem;
  }

  .page-about .star-map-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .story-data-flow {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-about .story-archive-layout {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
    gap: 2.5rem;
  }

  .page-about .story-next-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-about .story-timeline {
    padding-left: 0;
  }

  .page-about .story-timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .story-timeline-item {
    grid-template-columns: 1fr 3rem 1fr;
    gap: 0;
    margin-bottom: 2.25rem;
  }

  .page-about .timeline-node {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .story-timeline-item:nth-child(odd) .timeline-card {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .story-timeline-item:nth-child(even) .timeline-card {
    grid-column: 3;
    grid-row: 1;
  }

  .page-about .story-timeline-item:nth-child(odd) .timeline-tag,
  .page-about .story-timeline-item:nth-child(odd) .timeline-card h3,
  .page-about .story-timeline-item:nth-child(odd) .timeline-card p {
    display: block;
    text-align: right;
  }

  .page-about .story-timeline-item:nth-child(odd):hover .timeline-card {
    transform: translateX(-4px);
  }
}

@media (min-width: 1200px) {
  .page-about .story-next-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .story-next-card:nth-child(2) {
    transform: translateY(14px);
  }

  .page-about .story-next-card:nth-child(3) {
    transform: translateY(6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}