.page-about {
  --about-rail-w: 188px;
  --about-space: clamp(44px, 7vw, 96px);
  position: relative;
  color: var(--silver);
  background:
    radial-gradient(ellipse at 78% 6%, rgba(59, 227, 208, 0.07), transparent 40%),
    radial-gradient(ellipse at 8% 42%, rgba(27, 143, 158, 0.09), transparent 46%);
}

.page-about .about-hero {
  position: relative;
  padding: clamp(88px, 10vw, 128px) 0 0;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(201, 214, 232, 0.36) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.12;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 82%);
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

.page-about .about-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-about .about-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-about .about-hero h1 {
  margin: 0.28em 0 0.36em;
  color: var(--white);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.page-about .about-hero h1 em {
  color: var(--cyan);
  font-style: normal;
}

.page-about .about-hero .lede {
  max-width: 56ch;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero-meta li {
  position: relative;
  padding-left: 14px;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .about-hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-about .about-hero-visual {
  min-width: 0;
}

.page-about .about-visual-card {
  padding: clamp(12px, 2.4vw, 24px);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(20, 52, 58, 0.55), rgba(15, 26, 48, 0.72));
  box-shadow: var(--shadow-hard);
}

.page-about .about-star-map {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-about .sm-orbit {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.page-about .sm-orbit--strong {
  stroke: var(--line-strong);
  stroke-dasharray: 3 9;
}

.page-about .sm-line {
  fill: none;
  stroke: var(--cyan-deep);
  stroke-width: 1.4;
  opacity: 0.55;
}

.page-about .sm-line--soft {
  stroke: var(--line);
  stroke-dasharray: 2 8;
  opacity: 0.7;
}

.page-about .sm-node {
  fill: var(--ink-900);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-about .sm-node--gold {
  fill: var(--gold);
  stroke: var(--gold);
  filter: drop-shadow(0 0 8px rgba(246, 185, 74, 0.5));
}

.page-about .sm-phone {
  fill: rgba(6, 10, 24, 0.55);
  stroke: var(--silver);
  stroke-width: 2;
}

.page-about .sm-screen {
  fill: rgba(20, 52, 58, 0.55);
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-about .sm-ui-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  opacity: 0.75;
}

.page-about .sm-ui-dot {
  fill: var(--gold);
}

.page-about .sm-ui-arc {
  fill: none;
  stroke: var(--silver);
  stroke-width: 2;
}

.page-about .sm-label {
  fill: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-about .about-stats {
  margin-top: clamp(30px, 5vw, 54px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(15, 26, 48, 0.55);
}

.page-about .about-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px 0;
}

.page-about .about-shell {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: var(--about-space);
}

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

.page-about .about-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 8px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .about-rail-list li {
  flex: 0 0 auto;
}

.page-about .about-rail-list a {
  display: block;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-decoration: none;
  white-space: nowrap;
}

.page-about .about-rail-list a[aria-current] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

.page-about .about-section {
  position: relative;
  padding: clamp(36px, 5vw, 60px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-about .about-section-head {
  position: relative;
}

.page-about .about-section-head .chapter-num {
  display: block;
  margin: 0 0 6px;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  line-height: 1;
  opacity: 0.35;
  pointer-events: none;
}

.page-about .about-section h2 {
  margin: 0.28em 0 0.4em;
  color: var(--white);
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-about .about-origin {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-about .about-figure {
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

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

.page-about .about-figure--wide img {
  aspect-ratio: 16 / 9;
}

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

.page-about .about-figure .media-caption {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
}

.page-about .about-origin-copy p {
  margin: 0 0 1em;
  line-height: 1.8;
}

.page-about .about-origin-copy .about-dropcap::first-letter {
  float: left;
  padding-right: 0.12em;
  color: var(--gold);
  font-size: 2.2em;
  font-weight: 900;
  line-height: 0.9;
}

.page-about .about-side-note {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--gold);
}

.page-about .about-side-note p {
  margin: 10px 0 0;
  color: var(--silver);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-about .about-breath {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  padding: clamp(22px, 4vw, 38px) 0;
}

.page-about .about-breath .chapter-num {
  flex: 0 0 auto;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1;
  opacity: 0.7;
}

.page-about .about-breath p {
  max-width: 28ch;
  margin: 0;
  color: var(--white);
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.page-about .about-timeline {
  position: relative;
  margin-top: 30px;
  padding-left: 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), var(--line));
}

.page-about .about-node {
  position: relative;
  margin: 0 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(15, 26, 48, 0.55);
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 20px;
  z-index: 1;
  width: 14px;
  height: 14px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink-900);
  box-shadow: 0 0 0 4px rgba(59, 227, 208, 0.08);
}

.page-about .about-node.is-current {
  border-color: rgba(246, 185, 74, 0.55);
  box-shadow: 0 0 0 1px rgba(246, 185, 74, 0.1);
}

.page-about .about-node.is-current::before {
  border-color: var(--gold);
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(246, 185, 74, 0.12);
}

.page-about .about-node summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-node-ver {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .about-node.is-current .about-node-ver {
  color: var(--gold);
}

.page-about .about-node-title {
  flex: 1 1 220px;
  color: var(--white);
  font-weight: 700;
}

.page-about .about-node-tag {
  flex: 0 0 auto;
}

.page-about .about-node-toggle {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--silver);
  font-family: var(--font-mono);
}

.page-about .about-node-toggle::before {
  content: "+";
}

.page-about .about-node[open] .about-node-toggle::before {
  content: "–";
}

.page-about .about-node-body {
  padding: 0 16px 16px;
}

.page-about .about-node-body p {
  max-width: 66ch;
  margin: 0;
  color: var(--silver);
  line-height: 1.78;
}

.page-about .about-team-grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-about .about-team-copy p {
  margin: 0 0 1em;
  line-height: 1.8;
}

.page-about .about-team-facts {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(20, 52, 58, 0.35);
}

.page-about .about-team-facts ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-team-facts li {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.page-about .about-team-facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-fact-num {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.35rem;
}

.page-about .about-fact-label {
  color: var(--mist);
  font-size: 0.85rem;
}

.page-about .about-badges {
  display: flex;
  gap: 12px;
  margin-top: 26px;
  padding: 2px 2px 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-about .about-badge {
  flex: 0 0 min(78vw, 240px);
  padding: 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(20, 52, 58, 0.6), rgba(15, 26, 48, 0.85));
  scroll-snap-align: start;
}

.page-about .about-badge-mark {
  display: block;
  width: 24px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--cyan);
}

.page-about .about-badge h3 {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 1.02rem;
}

.page-about .about-badge p {
  margin: 0;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.65;
}

.page-about .about-honors {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-about .about-honor {
  padding: 10px 0 10px 14px;
  border-left: 2px solid var(--gold);
  color: var(--silver);
  line-height: 1.7;
}

.page-about .about-partner-note {
  max-width: 70ch;
  margin: 20px 0 0;
  color: var(--silver);
  line-height: 1.8;
}

.page-about .about-principles {
  display: grid;
  gap: 28px;
  margin-top: 28px;
}

.page-about .about-principles-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-principle {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-about .about-principle:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-about .about-principle-num {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1.2;
}

.page-about .about-principle h3 {
  margin: 0 0 6px;
  color: var(--white);
  font-size: 1.08rem;
}

.page-about .about-principle p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-about .about-contact-panel {
  padding: clamp(20px, 3vw, 28px);
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(20, 52, 58, 0.55), rgba(15, 26, 48, 0.9));
  box-shadow: var(--shadow-hard);
}

.page-about .about-contact-panel h3 {
  margin: 0 0 16px;
  color: var(--white);
  font-size: 1.2rem;
}

.page-about .about-contact-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-about .about-contact-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-about .about-contact-row dt {
  color: var(--mist);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}

.page-about .about-contact-row dd {
  margin: 0;
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.page-about .about-contact-note {
  margin: 16px 0 0;
  color: var(--mist);
  font-size: 0.85rem;
  line-height: 1.7;
}

.page-about .about-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-about .about-text-link {
  display: inline-block;
  margin-top: 14px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-decoration: none;
}

@media (min-width: 760px) {
  .page-about .about-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 24px 0;
  }

  .page-about .about-section-head {
    padding-right: clamp(64px, 11vw, 120px);
  }

  .page-about .about-section-head .chapter-num {
    position: absolute;
    top: -10px;
    right: 0;
    margin: 0;
    font-size: clamp(3rem, 6vw, 5.4rem);
    opacity: 0.24;
  }

  .page-about .about-honors {
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
  }
}

@media (min-width: 920px) {
  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
    align-items: center;
  }

  .page-about .about-origin {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .about-origin .about-figure {
    grid-column: 1 / span 8;
    grid-row: 1;
  }

  .page-about .about-origin-copy {
    grid-column: 9 / span 4;
    grid-row: 1;
    padding-top: 36px;
  }

  .page-about .about-side-note {
    grid-column: 2 / span 6;
    grid-row: 2;
    margin-top: 8px;
  }

  .page-about .about-team-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .about-team-copy {
    grid-column: 1 / span 7;
    grid-row: 1;
  }

  .page-about .about-team-figure-a {
    grid-column: 8 / span 5;
    grid-row: 1;
    margin-top: 38px;
  }

  .page-about .about-team-figure-b {
    grid-column: 2 / span 6;
    grid-row: 2;
    margin-top: -6px;
  }

  .page-about .about-team-facts {
    grid-column: 9 / span 4;
    grid-row: 2;
    margin-top: -48px;
  }
}

@media (min-width: 1040px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-rail-list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-about .about-rail-list a {
    padding: 10px 14px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
  }

  .page-about .about-rail-list a[aria-current] {
    color: var(--cyan);
    background: none;
    border-left-color: var(--cyan);
  }
}

@media (min-width: 940px) {
  .page-about .about-principles {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-about .sm-node--gold {
    animation: about-node-pulse 4s ease-in-out infinite;
  }
}

@keyframes about-node-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.62;
  }
}