.page-about {
  --about-bg: #070812;
  --about-card: rgba(27, 21, 52, 0.55);
  position: relative;
  background-color: var(--about-bg);
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(ellipse 90% 45% at 50% 0%, rgba(27, 21, 52, 0.7), transparent 55%);
  background-size: 4px 4px, 100% 100%;
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding: 48px 0 96px;
}

.page-about .site-breadcrumbs {
  margin-bottom: 28px;
  font-size: 0.875rem;
}

.page-about .site-breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .site-breadcrumbs a {
  color: var(--soft-lavender);
  text-decoration: none;
}

.page-about .site-breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--text-secondary);
}

.page-about .site-breadcrumbs [aria-current="page"] {
  color: var(--text-secondary);
}

.page-about .eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--neon-pink);
  color: var(--warm-orange);
  font-size: 0.8125rem;
  letter-spacing: 0.28em;
}

.page-about .lead {
  color: var(--text-primary);
  font-size: 1.125rem;
  line-height: 1.75;
}

.page-about .about-hero {
  display: grid;
  gap: 32px;
  max-width: 1080px;
  margin: 0 auto 104px;
  padding: 0 20px;
}

.page-about .about-hero__copy h1 {
  margin: 0 0 20px;
  font-family: var(--font-title);
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.page-about .about-hero__copy > p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-about .about-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 28px;
}

.page-about .about-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(184, 169, 255, 0.16);
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 14px;
  background: rgba(27, 21, 52, 0.5);
  border: 1px solid rgba(184, 169, 255, 0.12);
  color: var(--text-primary);
  text-decoration: none;
  transition: border-color 0.3s, background 0.3s;
}

.page-about .about-index__link span {
  font-family: var(--font-title);
  color: var(--muted-gold);
  font-size: 0.9375rem;
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  border-color: var(--neon-pink);
  background: rgba(255, 42, 109, 0.08);
  outline: none;
}

.page-about .about-hero__art {
  position: relative;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}

.page-about .about-hero__art-frame {
  padding: 8px;
  background: rgba(27, 21, 52, 0.5);
  border: 1px solid rgba(184, 169, 255, 0.18);
  box-shadow: 8px 8px 0 rgba(255, 42, 109, 0.12);
}

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

.page-about .about-hero__note {
  position: absolute;
  right: -8px;
  bottom: -28px;
  padding: 8px 12px;
  background: rgba(11, 12, 26, 0.9);
  border: 1px solid rgba(245, 192, 122, 0.4);
  color: var(--muted-gold);
  font-family: var(--font-title);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  transform: rotate(-3deg);
}

.page-about .about-section {
  max-width: 960px;
  margin: 0 auto 112px;
  padding: 0 20px;
  scroll-margin-top: 120px;
}

.page-about .about-section__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 28px;
}

.page-about .about-chapter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  align-self: stretch;
  padding: 10px 4px;
  border: 1px solid rgba(245, 192, 122, 0.35);
  background: rgba(245, 192, 122, 0.06);
  color: var(--muted-gold);
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  writing-mode: vertical-rl;
}

.page-about .about-section__heading .eyebrow {
  margin-bottom: 8px;
}

.page-about .about-section__heading h2 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.2;
  color: var(--text-primary);
}

.page-about .about-origin__body {
  max-width: 780px;
}

.page-about .about-origin__body p {
  margin: 0 0 18px;
  color: var(--text-secondary);
  line-height: 1.85;
}

.page-about .about-origin__quote {
  margin: 28px 0 0;
  padding-left: 18px;
  border-left: 3px solid var(--warm-orange);
  color: var(--muted-gold);
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.6;
}

.page-about .about-journey__intro {
  max-width: 780px;
  margin: 0 0 32px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-about .about-journey__layout {
  display: grid;
  gap: 40px;
}

.page-about .about-timeline {
  position: relative;
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--muted-gold), var(--neon-pink), transparent);
  opacity: 0.5;
}

.page-about .about-timeline__node {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-timeline__marker {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 20px;
}

.page-about .about-timeline__marker i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--neon-pink);
  box-shadow: 0 0 0 4px rgba(255, 42, 109, 0.15), 0 0 14px rgba(255, 42, 109, 0.6);
}

.page-about .about-timeline__card {
  background: var(--about-card);
  border: 1px solid rgba(184, 169, 255, 0.12);
  border-left: 2px solid var(--neon-pink);
  border-radius: 2px;
  padding: 20px 22px;
  transition: transform 0.5s var(--ease-film), border-color 0.5s;
}

.page-about .about-timeline__card:hover,
.page-about .about-timeline__card:focus-within {
  transform: translateY(-3px);
  border-color: rgba(255, 42, 109, 0.5);
}

.page-about .about-timeline__phase {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--muted-gold);
  font-family: var(--font-title);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
}

.page-about .about-timeline__card h3 {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: 1.3rem;
  line-height: 1.3;
}

.page-about .about-timeline__card p {
  margin: 0 0 10px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-about .about-timeline__card .tag {
  margin-top: 6px;
}

.page-about .about-timeline__summary {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--warm-orange);
  color: var(--soft-lavender);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.page-about .about-timeline__summary a,
.page-about .about-ai__note a,
.page-about .about-work__copy a {
  color: var(--warm-orange);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-journey__art,
.page-about .about-work__art {
  margin: 0;
}

.page-about .about-journey__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(245, 192, 122, 0.3);
}

.page-about .about-journey__art figcaption,
.page-about .about-work__art figcaption {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.page-about .about-work__layout {
  display: grid;
  gap: 36px;
}

.page-about .about-work__copy p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-about .about-work__principles {
  display: grid;
  gap: 12px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.page-about .about-work__principles li {
  padding: 14px 16px;
  background: rgba(27, 21, 52, 0.35);
  border: 1px dashed rgba(184, 169, 255, 0.2);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-about .about-work__principles li span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted-gold);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
}

.page-about .about-work__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(184, 169, 255, 0.18);
}

.page-about .about-ai__layout {
  display: grid;
  gap: 30px;
}

.page-about .about-ai__lead p {
  margin: 0 0 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-about .about-ai__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-ai__stage {
  position: relative;
  padding: 20px;
  background: linear-gradient(135deg, rgba(27, 21, 52, 0.8), rgba(11, 12, 26, 0.8));
  border: 1px solid rgba(255, 42, 109, 0.22);
}

.page-about .about-ai__stage::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 16px;
  width: 40px;
  height: 2px;
  background: var(--neon-pink);
}

.page-about .about-ai__version {
  color: var(--neon-pink);
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.page-about .about-ai__stage h3 {
  margin: 8px 0;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: 1.1rem;
  line-height: 1.3;
}

.page-about .about-ai__stage p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.page-about .about-ai__note {
  padding: 18px 20px;
  background: rgba(255, 167, 36, 0.06);
  border: 1px solid rgba(255, 167, 36, 0.2);
}

.page-about .about-ai__note p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.page-about .text-highlight {
  color: var(--muted-gold);
}

.page-about .about-stats {
  margin: 0 0 96px;
  padding: 32px 0;
  background: rgba(255, 42, 109, 0.08);
  border-top: 1px solid rgba(255, 42, 109, 0.24);
  border-bottom: 1px solid rgba(255, 167, 36, 0.24);
}

.page-about .about-stats__inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .about-stat {
  text-align: center;
}

.page-about .about-stat dt {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
}

.page-about .about-stat dd {
  margin: 6px 0 0;
  color: var(--muted-gold);
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}

.page-about .about-cta {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px;
  text-align: center;
  background:
    linear-gradient(rgba(11, 12, 26, 0.82), rgba(11, 12, 26, 0.82)),
    radial-gradient(circle at center, rgba(255, 42, 109, 0.35), transparent 70%);
  border: 1px solid rgba(184, 169, 255, 0.12);
}

.page-about .about-cta h2 {
  margin: 0 0 12px;
  color: var(--text-primary);
  font-family: var(--font-title);
  font-size: 2rem;
  line-height: 1.2;
}

.page-about .about-cta p {
  margin: 0 0 28px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.page-about .about-cta a {
  color: var(--warm-orange);
}

@media (min-width: 768px) {
  .page-about .about-index {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-about .about-stats__inner {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (min-width: 992px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
    gap: 64px;
    align-items: center;
    padding-top: 48px;
  }

  .page-about .about-chapter {
    width: 56px;
    padding: 16px 6px;
    font-size: 1.8rem;
  }

  .page-about .about-section__head {
    gap: 24px;
  }

  .page-about .about-timeline::before {
    left: 55px;
  }

  .page-about .about-timeline__node {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 24px;
  }

  .page-about .about-journey__layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    align-items: start;
  }

  .page-about .about-work__layout {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
  }

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

  .page-about .about-ai__note {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  .page-about .about-timeline__summary {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(4px);
    transition: max-height 0.6s var(--ease-film), opacity 0.5s, transform 0.5s;
  }

  .page-about .about-timeline__node:hover .about-timeline__summary,
  .page-about .about-timeline__node:focus-within .about-timeline__summary {
    max-height: 160px;
    overflow: visible;
    opacity: 1;
    transform: translateY(0);
  }
}