.page-about {
  --about-rail-w: 88px;
  --about-line: var(--line);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(139, 92, 246, 0.20), transparent 62%),
    radial-gradient(90% 80% at 96% 100%, rgba(46, 242, 208, 0.10), transparent 60%),
    var(--void);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--violet), var(--cyan), transparent);
  opacity: 0.7;
}

.page-about .about-hero__inner {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  padding-block: clamp(26px, 5vw, 62px) clamp(30px, 5vw, 66px);
}

.page-about .about-hero__copy {
  min-width: 0;
}

.page-about .about-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin: 0 0 18px;
  text-wrap: balance;
}

.page-about .about-hero__copy .lede {
  max-width: 62ch;
  color: rgba(245, 239, 230, 0.82);
  font-size: var(--fs-body);
  line-height: 1.75;
  margin: 0 0 26px;
}

.page-about .about-hero__stats {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-about .about-hero__stats .stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .about-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
  min-width: 4.6em;
}

.page-about .about-hero__stats .stat__label {
  font-size: 0.86rem;
  color: var(--rock);
  line-height: 1.4;
}

.page-about .about-hero__visual {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(31, 26, 51, 0.85), rgba(9, 8, 18, 0.9));
  box-shadow: var(--shadow-card);
}

.page-about .hero-arcade {
  display: block;
  width: 100%;
  height: auto;
  max-width: 460px;
}

.page-about .hero-arcade__scan {
  animation: about-scan 6.5s linear infinite;
}

@keyframes about-scan {
  0% { transform: translateY(0); opacity: 0.9; }
  100% { transform: translateY(288px); opacity: 0; }
}

.page-about .chapter-nav {
  position: sticky;
  top: var(--shell-top);
  z-index: 4;
  margin-top: clamp(18px, 3vw, 30px);
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(31, 26, 51, 0.74);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .chapter-nav::-webkit-scrollbar {
  display: none;
}

.page-about .chapter-nav__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}

.page-about .chapter-nav__link {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(245, 239, 230, 0.72);
  text-decoration: none;
  border-radius: 2px;
  border-bottom: 2px solid transparent;
  min-height: 44px;
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .chapter-nav__link:hover,
.page-about .chapter-nav__link:focus-visible {
  color: var(--void);
  background: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-about .about-chapter {
  padding-block: clamp(34px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-chapter__inner {
  display: grid;
  gap: 18px;
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .about-chapter__num {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--violet);
  border-bottom: 2px solid var(--violet);
  padding-bottom: 2px;
}

.page-about .about-chapter__tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-about .about-chapter__body {
  min-width: 0;
}

.page-about .about-chapter__body h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.2vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--cream);
  margin: 0 0 12px;
}

.page-about .about-chapter__body .section-lede {
  max-width: 60ch;
  margin: 0 0 26px;
  color: rgba(245, 239, 230, 0.74);
  line-height: 1.72;
}

.page-about .principles {
  display: grid;
  gap: 16px;
  margin-bottom: 26px;
}

.page-about .principle {
  position: relative;
  padding: 20px 18px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  border-radius: var(--radius);
}

.page-about .principle:nth-child(2) {
  border-left-color: var(--blue);
}

.page-about .principle:nth-child(3) {
  border-left-color: var(--cyan);
}

.page-about .principle .num-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--violet);
  border-bottom: 1px solid rgba(139, 92, 246, 0.5);
  padding-bottom: 2px;
  margin-bottom: 12px;
}

.page-about .principle h3 {
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--cream);
  margin: 0 0 10px;
}

.page-about .principle p {
  margin: 0 0 12px;
  color: rgba(245, 239, 230, 0.78);
  font-size: 0.96rem;
  line-height: 1.74;
}

.page-about .principle__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin: 0;
}

.page-about .about-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--glass);
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.page-about .media-frame--portrait img {
  aspect-ratio: 7 / 5;
}

.page-about .about-figure .media-frame__caption {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.04em;
  color: var(--rock);
  border-top: 1px solid var(--line-soft);
}

.page-about .scope-list {
  margin: 0 0 20px;
  border-top: 1px solid var(--line);
}

.page-about .scope-row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .scope-row dt {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-about .scope-row dd {
  margin: 0;
  color: rgba(245, 239, 230, 0.8);
  line-height: 1.75;
  font-size: 0.96rem;
  max-width: 66ch;
}

.page-about .scope-note {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--blue);
  background: linear-gradient(90deg, rgba(47, 123, 255, 0.12), transparent 80%);
  color: rgba(245, 239, 230, 0.8);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-about .scope-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 208, 0.45);
}

.page-about .scope-note a:hover,
.page-about .scope-note a:focus-visible {
  color: var(--void);
  background: var(--cyan);
  outline: none;
}

.page-about .timeline {
  position: relative;
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--violet), var(--blue) 55%, rgba(46, 242, 208, 0.25));
}

.page-about .timeline__item {
  position: relative;
  padding-left: 32px;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--void);
  border: 2px solid var(--cyan);
}

.page-about .timeline__year {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-about .timeline__title {
  margin: 0 0 8px;
  font-size: 1.06rem;
  color: var(--cream);
  line-height: 1.4;
}

.page-about .timeline__item p {
  margin: 0;
  color: rgba(245, 239, 230, 0.76);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 64ch;
}

.page-about .team-grid {
  display: grid;
  gap: 22px;
}

.page-about .team-grid__text p {
  margin: 0 0 16px;
  color: rgba(245, 239, 230, 0.78);
  line-height: 1.76;
  max-width: 66ch;
}

.page-about .team-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-about .team-facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 12px 12px 14px;
  border-left: 2px solid rgba(47, 123, 255, 0.6);
  background: rgba(20, 17, 36, 0.9);
  border-radius: 2px;
}

.page-about .team-facts__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1.1;
}

.page-about .team-facts li span:last-child {
  font-size: 0.78rem;
  color: var(--rock);
  line-height: 1.45;
}

.page-about .partners {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.page-about .partner {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(31, 26, 51, 0.95), rgba(20, 17, 36, 0.98));
}

.page-about .partner--wide {
  border-color: rgba(184, 107, 75, 0.45);
  background:
    linear-gradient(150deg, rgba(184, 107, 75, 0.16), rgba(20, 17, 36, 0.98) 58%);
}

.page-about .partner .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: 2px;
  margin-bottom: 12px;
}

.page-about .partner .tag--violet {
  color: #d9c8ff;
  background: rgba(139, 92, 246, 0.22);
  border: 1px solid rgba(139, 92, 246, 0.55);
}

.page-about .partner .tag--amber {
  color: #ffd3b0;
  background: rgba(255, 138, 61, 0.18);
  border: 1px solid rgba(255, 138, 61, 0.5);
}

.page-about .partner h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
  color: var(--cream);
  line-height: 1.35;
}

.page-about .partner p {
  margin: 0;
  color: rgba(245, 239, 230, 0.78);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 66ch;
}

.page-about .faq {
  display: grid;
  gap: 10px;
}

.page-about .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-about .faq-item[open] {
  border-color: rgba(46, 242, 208, 0.4);
}

.page-about .faq-item summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 16px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
  color: var(--cream);
  font-size: 1rem;
  line-height: 1.5;
}

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

.page-about .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--cyan);
}

.page-about .faq-item[open] summary::after {
  content: "−";
}

.page-about .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-about .faq-item__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-about .faq-item__a {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}

.page-about .faq-item__a p {
  margin: 0;
  color: rgba(245, 239, 230, 0.78);
  font-size: 0.95rem;
  line-height: 1.76;
  max-width: 66ch;
}

.page-about .faq-item__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 208, 0.45);
}

.page-about .faq-item__a a:hover,
.page-about .faq-item__a a:focus-visible {
  color: var(--void);
  background: var(--cyan);
  outline: none;
}

.page-about .about-cta {
  padding-block: clamp(32px, 6vw, 66px);
  background:
    linear-gradient(115deg, rgba(139, 92, 246, 0.22), rgba(9, 8, 18, 0.9) 55%),
    radial-gradient(80% 120% at 100% 0%, rgba(255, 138, 61, 0.16), transparent 60%),
    var(--panel);
  border-top: 1px solid var(--line);
}

.page-about .about-cta__inner h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.4rem);
  line-height: 1.14;
  color: var(--cream);
  margin: 0 0 12px;
  max-width: 22ch;
}

.page-about .about-cta__inner p {
  margin: 0 0 22px;
  color: rgba(245, 239, 230, 0.78);
  line-height: 1.7;
  max-width: 56ch;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 12px 22px;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 2px;
  transition: transform 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.page-about .about-cta__actions .btn--primary {
  background: var(--amber);
  color: #1A0E06;
  border: 1px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-about .about-cta__actions .btn--primary:hover,
.page-about .about-cta__actions .btn--primary:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  outline: none;
}

.page-about .about-cta__actions .btn--ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line-strong);
}

.page-about .about-cta__actions .btn--ghost:hover,
.page-about .about-cta__actions .btn--ghost:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

@media (min-width: 700px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .about-hero__stats .stat {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 14px;
  }

  .page-about .about-hero__stats .stat__value {
    min-width: 0;
  }

  .page-about .principles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-about .scope-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-about .scope-row dt {
    padding-top: 3px;
  }

  .page-about .team-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    align-items: center;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-about .about-hero__visual {
    padding: 18px;
  }

  .page-about .about-chapter__inner {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-about .about-chapter__rail {
    position: sticky;
    top: calc(var(--shell-top) + 74px);
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-about .about-chapter__num {
    font-size: 2.7rem;
  }

  .page-about .about-chapter__tag {
    writing-mode: vertical-rl;
    letter-spacing: 0.32em;
    font-size: 0.7rem;
    padding-top: 4px;
  }

  .page-about .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .principle {
    padding: 24px 20px 20px;
  }

  .page-about .timeline {
    gap: 26px;
  }

  .page-about .timeline__item {
    padding-left: 38px;
  }

  .page-about .team-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(24px, 3vw, 44px);
    align-items: start;
  }

  .page-about .about-figure img {
    aspect-ratio: 3 / 2;
  }

  .page-about .media-frame--portrait img {
    aspect-ratio: 7 / 5;
  }

  .page-about .about-cta__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "title actions"
      "text actions";
    align-items: center;
    column-gap: clamp(24px, 5vw, 64px);
  }

  .page-about .about-cta__inner h2 {
    grid-area: title;
    margin-bottom: 10px;
  }

  .page-about .about-cta__inner p {
    grid-area: text;
    margin-bottom: 0;
  }

  .page-about .about-cta__actions {
    grid-area: actions;
    justify-content: flex-end;
    flex-wrap: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .hero-arcade__scan {
    animation: none;
    opacity: 0.4;
  }

  .page-about .chapter-nav__link,
  .page-about .about-cta__actions .btn {
    transition: none;
  }
}
<<<END>>>