.page-about {
  background:
    radial-gradient(circle at 88% 4%, rgba(53, 230, 212, 0.09), transparent 34%),
    radial-gradient(circle at 4% 46%, rgba(255, 154, 77, 0.06), transparent 30%),
    var(--ink);
  color: var(--white);
  overflow-x: clip;
}

.page-about .about-shell {
  padding-top: 20px;
  padding-bottom: 4px;
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .breadcrumb__sep {
  color: var(--path);
}

.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 52px;
  border-bottom: 1px solid var(--edge);
  background:
    linear-gradient(180deg, rgba(6, 24, 38, 0.15), rgba(6, 24, 38, 0.88) 92%),
    radial-gradient(circle at 76% 16%, rgba(53, 230, 212, 0.12), transparent 44%);
}

.page-about .about-hero .container {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .eyebrow {
  margin: 0 0 16px;
  color: var(--cyan);
}

.page-about .about-hero h1 {
  margin: 0 0 24px;
  max-width: 15ch;
  font-family: var(--font-sans);
  font-size: clamp(2.15rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 38em;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 250, 252, 0.82);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--path);
}

.page-about .about-hero__facts strong {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-about .about-hero__facts span {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .about-hero__path {
  display: none;
}

.page-about .about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 24px;
  padding-bottom: 76px;
}

.page-about .about-toc {
  padding: 14px 0 6px;
  border-bottom: 1px solid rgba(29, 78, 111, 0.45);
}

.page-about .about-toc .eyebrow {
  margin: 0 0 10px;
  color: var(--mist);
}

.page-about .about-toc__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 0.86rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed rgba(157, 180, 196, 0.18);
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-about .about-toc__link:hover,
.page-about .about-toc__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-about .about-toc__link:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
  border-radius: 2px;
}

.page-about .about-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .about-toc__hint {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  color: var(--path);
}

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

.page-about .about-section {
  position: relative;
  padding: 40px 0 48px;
  border-top: 1px solid var(--edge);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-about .about-body > .about-section:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-about .about-section__mark {
  display: none;
}

.page-about .about-section__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-section h2 {
  margin: 0 0 22px;
  max-width: 22ch;
  font-family: var(--font-sans);
  font-size: clamp(1.55rem, 4.2vw, 2.5rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
  text-wrap: balance;
}

.page-about .about-section__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

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

.page-about .about-section__text p {
  margin: 0 0 1em;
  max-width: 38em;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(244, 250, 252, 0.82);
}

.page-about .about-section__text p:last-child {
  margin-bottom: 0;
}

.page-about .about-section__text--after {
  margin-top: 20px;
}

.page-about .about-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--white);
  outline: none;
  box-shadow: 0 0 0 2px var(--cyan);
  border-radius: 2px;
}

.page-about .about-figure {
  margin: 8px 0 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--edge);
  border-radius: var(--radius-m);
  object-fit: cover;
  background: var(--ink-soft);
}

.page-about .about-figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-about .about-figure--wide {
  margin-top: 28px;
}

.page-about .about-note {
  max-width: 34rem;
  margin-top: 26px;
  padding: 18px 20px;
  color: var(--ink);
  background: var(--paper);
  border-left: 6px solid var(--orange);
  border-radius: 2px var(--radius-s) var(--radius-s) 2px;
  box-shadow: var(--shadow-paper);
  transform: rotate(-0.6deg);
  transition: transform var(--dur) ease, box-shadow var(--dur) ease;
}

.page-about .about-note:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 0 28px 54px -28px rgba(0, 0, 0, 0.95);
}

.page-about .about-note__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #6a5a43;
}

.page-about .about-note__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #1b2d3a;
}

.page-about .about-note__text strong {
  color: var(--ink);
}

.page-about .about-section--panel {
  margin-top: 8px;
  padding: 26px 20px 32px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-l);
  background: linear-gradient(145deg, rgba(12, 43, 69, 0.92), rgba(6, 24, 38, 0.34));
}

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

.page-about .method-item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(29, 78, 111, 0.5);
}

.page-about .method-item:last-child {
  border-bottom: 0;
}

.page-about .method-item__num {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  color: var(--orange);
}

.page-about .method-item__title {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-about .method-item__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .method-rhythm {
  margin-top: 22px;
}

.page-about .team-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .team-item {
  padding-top: 14px;
  border-top: 2px solid var(--cyan);
}

.page-about .team-item__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-about .team-item__name {
  margin: 6px 0 6px;
  font-size: 1.08rem;
  color: var(--white);
}

.page-about .team-item__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .journey-figure {
  margin-top: 4px;
}

.page-about .journey-path {
  display: block;
  width: 100%;
  height: auto;
  max-height: 120px;
  margin: 10px 0 14px;
  color: var(--cyan);
}

.page-about .journey-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .journey-details {
  overflow: hidden;
  background: rgba(12, 43, 69, 0.55);
  border: 1px solid var(--edge);
  border-radius: var(--radius-s);
  transition: border-color var(--dur) ease, background var(--dur) ease;
}

.page-about .journey-details:hover,
.page-about .journey-details[open] {
  border-color: var(--cyan);
  background: rgba(12, 43, 69, 0.8);
}

.page-about .journey-summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.page-about .journey-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 400;
  color: var(--orange);
}

.page-about .journey-details[open] .journey-summary::after {
  content: "−";
  color: var(--cyan);
}

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

.page-about .journey-summary__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-about .journey-details p {
  margin: 0;
  padding: 0 16px 16px 48px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .scene-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .scene-item {
  padding-left: 16px;
  border-left: 1px solid var(--path);
}

.page-about .scene-item__num {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .scene-item h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  color: var(--white);
}

.page-about .scene-item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .network-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.page-about .about-partners {
  padding: 20px;
  color: var(--ink);
  background: var(--paper);
  border-top: 6px solid var(--path);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-paper);
  transform: rotate(0.4deg);
  transition: transform var(--dur) ease;
}

.page-about .about-partners:hover {
  transform: rotate(0deg) translateY(-3px);
}

.page-about .about-partners__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: #6a5a43;
}

.page-about .about-partners ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partners li {
  padding: 8px 0;
  font-size: 0.92rem;
  line-height: 1.6;
  color: #1b2d3a;
  border-bottom: 1px dashed var(--paper-edge);
}

.page-about .about-partners li:last-child {
  border-bottom: 0;
}

.page-about .about-next {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--edge);
}

.page-about .about-next p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 64px 0 64px;
  }

  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-about .about-hero__path {
    display: block;
    position: absolute;
    right: -24px;
    bottom: 0;
    width: min(52%, 560px);
    height: auto;
    color: var(--cyan);
    opacity: 0.4;
    pointer-events: none;
  }

  .page-about .about-layout {
    gap: 36px;
  }

  .page-about .team-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .scene-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 34px;
  }

  .page-about .network-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 32px;
  }

  .page-about .about-next {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1024px) {
  .page-about .about-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 64px;
    padding-bottom: 104px;
  }

  .page-about .about-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    padding: 0;
    border-bottom: 0;
  }

  .page-about .about-toc__list {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 4px;
  }

  .page-about .about-section {
    padding: 48px 48px 56px 0;
  }

  .page-about .about-section__mark {
    display: block;
    position: absolute;
    top: 58px;
    right: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--path);
    text-transform: uppercase;
  }

  .page-about .about-section__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 36px;
  }

  .page-about .about-section--panel {
    padding: 34px 34px 40px;
  }

  .page-about .method-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-about .method-item:nth-last-child(2) {
    border-bottom: 0;
  }

  .page-about .journey-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 16px;
  }

  .page-about .about-note {
    margin-left: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-note,
  .page-about .about-partners,
  .page-about .about-toc__link,
  .page-about .journey-details {
    transition: none;
  }

  .page-about .about-note:hover,
  .page-about .about-partners:hover {
    transform: none;
  }
}