.page-about {
  --pa-rail-w: 13.5rem;
  --pa-line: rgba(11, 29, 42, 0.14);
  --pa-line-soft: rgba(11, 29, 42, 0.08);
  --pa-on-ink-line: rgba(245, 242, 234, 0.18);
  background-color: var(--frost);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-about .pa-sep {
  margin-inline: 0.5rem;
  color: var(--gold-dim);
}

/* ---------- Hero ---------- */
.page-about .pa-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--ink);
  color: var(--frost);
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(2.75rem, 7vw, 5.5rem);
}

.page-about .pa-hero::after {
  content: "";
  position: absolute;
  inset: auto -20% -55% 35%;
  height: 75%;
  background: radial-gradient(ellipse at 55% 100%, rgba(201, 164, 92, 0.22), transparent 68%);
  pointer-events: none;
}

.page-about .pa-hero__shell {
  position: relative;
  z-index: 1;
}

.page-about .pa-hero__crumbs {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-about .pa-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-about .pa-hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  line-height: 1.02;
  font-weight: 300;
}

.page-about .pa-hero__name {
  display: block;
  font-size: clamp(2.35rem, 8.5vw, 4.5rem);
  letter-spacing: -0.01em;
  font-weight: 200;
}

.page-about .pa-hero__claim {
  display: block;
  margin-top: 0.75rem;
  max-width: 22ch;
  font-size: clamp(1.05rem, 2.6vw, 1.6rem);
  line-height: 1.35;
  font-weight: 400;
  color: var(--celadon-pale);
}

.page-about .pa-hero__lede {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  max-width: 40ch;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 242, 234, 0.82);
}

.page-about .pa-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-about .pa-hero__ghost {
  color: var(--frost);
  border-color: rgba(245, 242, 234, 0.38);
  background-color: transparent;
}

.page-about .pa-hero__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(201, 164, 92, 0.34);
  background: linear-gradient(155deg, rgba(201, 164, 92, 0.2), rgba(11, 29, 42, 0));
}

.page-about .pa-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
}

.page-about .pa-hero__figcap {
  padding: 0.6rem 1rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

@media (min-width: 900px) {
  .page-about .pa-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-about .pa-hero__figure {
    margin-bottom: 0.35rem;
  }
}

/* ---------- Body layout ---------- */
.page-about .pa-body {
  background-color: var(--frost);
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(3rem, 7vw, 5.5rem);
}

.page-about .pa-body__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

@media (min-width: 980px) {
  .page-about .pa-body__grid {
    grid-template-columns: var(--pa-rail-w) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- Rail ---------- */
.page-about .pa-rail {
  border-bottom: 1px solid var(--pa-line-soft);
  padding-bottom: 1rem;
}

.page-about .pa-rail__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: var(--gold-dim);
  text-transform: uppercase;
}

.page-about .pa-rail__list {
  display: flex;
  gap: 0.35rem;
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .pa-rail__link {
  display: block;
  flex: 0 0 auto;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--pa-line-soft);
  border-radius: var(--r-sm);
  color: var(--slate);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-about .pa-rail__link .mono {
  margin-right: 0.35rem;
  color: var(--gold-dim);
  font-size: 0.72rem;
}

.page-about .pa-rail__link:hover,
.page-about .pa-rail__link:focus-visible {
  color: var(--ink);
  border-color: var(--gold);
  background-color: rgba(201, 164, 92, 0.1);
}

.page-about .pa-rail__link[aria-current="true"] {
  color: var(--ink);
  border-color: var(--gold);
  background-color: rgba(201, 164, 92, 0.16);
}

@media (min-width: 980px) {
  .page-about .pa-rail {
    position: sticky;
    top: 2rem;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-about .pa-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .pa-rail__link {
    border: 0;
    border-left: 1px solid var(--pa-line);
    border-radius: 0;
    padding: 0.45rem 0 0.45rem 0.85rem;
    white-space: normal;
    background-color: transparent;
  }

  .page-about .pa-rail__link:hover,
  .page-about .pa-rail__link:focus-visible {
    background-color: transparent;
    border-left-color: var(--gold-dim);
  }

  .page-about .pa-rail__link[aria-current="true"] {
    background-color: transparent;
    border-left: 2px solid var(--gold);
    padding-left: calc(0.85rem - 1px);
  }
}

/* ---------- Chapter shell ---------- */
.page-about .pa-chapter {
  padding-block: clamp(1.75rem, 4vw, 3rem);
  border-top: 1px solid var(--pa-line-soft);
}

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

.page-about .pa-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

.page-about .pa-chapter__num {
  flex: 0 0 auto;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--gold-dim);
}

.page-about .pa-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-about .pa-lead {
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
  max-width: 52ch;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-about .pa-chapter__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

@media (min-width: 820px) {
  .page-about .pa-chapter__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.8fr);
  }
}

/* ---------- Note aside ---------- */
.page-about .pa-note {
  align-self: start;
  padding: 1.1rem 1.15rem 1.25rem;
  border-radius: var(--r-md);
  background-color: var(--paper);
  border-left: 3px solid var(--gold);
}

.page-about .pa-note__label {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold-dim);
}

.page-about .pa-note__value {
  margin: 0.3rem 0 0.9rem;
  font-size: 1.15rem;
  color: var(--ink);
}

.page-about .pa-note__list {
  margin: 0;
  padding-left: 1rem;
  list-style: square;
  font-family: var(--font-ui);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-about .pa-note__list li + li {
  margin-top: 0.4rem;
}

/* ---------- Figures ---------- */
.page-about .pa-figure {
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
}

.page-about .pa-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

.page-about .pa-figure--onink img {
  border: 1px solid var(--pa-on-ink-line);
}

/* ---------- Timeline ---------- */
.page-about .pa-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .pa-timeline__item + .pa-timeline__item {
  margin-top: -1px;
}

.page-about .pa-stage {
  border-top: 1px solid var(--pa-line);
}

.page-about .pa-stage__summary {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr) 1.2rem;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.95rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  line-height: 1.4;
  color: var(--ink);
  transition: color 0.2s ease;
}

.page-about .pa-stage__summary::-webkit-details-marker {
  display: none;
}

.page-about .pa-stage__summary:hover {
  color: var(--ink-2);
}

.page-about .pa-stage__year {
  font-size: 1.05rem;
  color: var(--gold-dim);
  letter-spacing: 0.04em;
}

.page-about .pa-stage__name {
  font-weight: 500;
}

.page-about .pa-stage__toggle {
  position: relative;
  justify-self: end;
  width: 1.05rem;
  height: 1.05rem;
  border: 1px solid var(--gold-dim);
  border-radius: 2px;
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.page-about .pa-stage__toggle::before,
.page-about .pa-stage__toggle::after {
  content: "";
  position: absolute;
  background-color: var(--gold-dim);
  transition: opacity 0.25s ease;
}

.page-about .pa-stage__toggle::before {
  inset: 50% 3px auto 3px;
  height: 1px;
  transform: translateY(-50%);
}

.page-about .pa-stage__toggle::after {
  inset: 3px auto 3px 50%;
  width: 1px;
  transform: translateX(-50%);
}

.page-about .pa-stage[open] .pa-stage__toggle {
  background-color: rgba(201, 164, 92, 0.22);
}

.page-about .pa-stage[open] .pa-stage__toggle::after {
  opacity: 0;
}

.page-about .pa-stage__body {
  padding: 0 0 1.15rem 4.2rem;
  font-family: var(--font-body);
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-about .pa-stage__body p {
  margin: 0;
  max-width: 58ch;
}

@media (max-width: 519px) {
  .page-about .pa-stage__summary {
    grid-template-columns: minmax(0, 1fr) 1.2rem;
    grid-template-areas:
      "year toggle"
      "name name";
  }

  .page-about .pa-stage__year {
    grid-area: year;
  }

  .page-about .pa-stage__name {
    grid-area: name;
  }

  .page-about .pa-stage__toggle {
    grid-area: toggle;
  }

  .page-about .pa-stage__body {
    padding-left: 0;
  }
}

/* ---------- Method layers ---------- */
.page-about .pa-layer {
  display: grid;
  gap: 0.35rem 1rem;
  padding-block: clamp(1rem, 2.5vw, 1.4rem);
  border-bottom: 1px solid var(--pa-line-soft);
}

.page-about .pa-layer:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .pa-layer__mark {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  padding-top: 0.2rem;
}

.page-about .pa-layer__title {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
  font-weight: 500;
  color: var(--ink);
}

.page-about .pa-layer__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--ink-2);
}

@media (min-width: 660px) {
  .page-about .pa-layer {
    grid-template-columns: 3.25rem minmax(0, 1fr);
  }
}

/* ---------- Inverted chapter ---------- */
.page-about .pa-chapter--ink {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-top: 0;
  border-radius: var(--r-lg);
  background-color: var(--ink);
  color: var(--frost);
}

.page-about .pa-chapter--ink .pa-chapter__title {
  color: var(--frost);
}

.page-about .pa-chapter--ink .pa-chapter__num {
  color: var(--gold);
}

.page-about .pa-prose--onink p {
  margin: 0 0 1rem;
  max-width: 60ch;
  font-size: 0.97rem;
  line-height: 1.9;
  color: rgba(245, 242, 234, 0.86);
}

.page-about .pa-prose--onink p:last-child {
  margin-bottom: 0;
}

.page-about .pa-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .pa-stats li {
  border-top: 2px solid var(--gold);
  padding-top: 0.55rem;
}

.page-about .pa-stats__num {
  display: block;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 400;
  color: var(--frost);
  line-height: 1.1;
}

.page-about .pa-stats__label {
  display: block;
  margin-top: 0.3rem;
  font-family: var(--font-ui);
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--celadon-pale);
}

@media (min-width: 720px) {
  .page-about .pa-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- Table ---------- */
.page-about .pa-tablewrap {
  margin-block: clamp(1.25rem, 3vw, 1.9rem);
  overflow-x: auto;
  border-radius: var(--r-md);
}

.page-about .pa-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  line-height: 1.65;
  background-color: #fff;
}

.page-about .pa-table caption {
  padding: 0 0 0.7rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold-dim);
}

.page-about .pa-table thead th {
  padding: 0.7rem 0.85rem;
  background-color: var(--ink);
  color: var(--frost);
  font-weight: 500;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-align: left;
}

.page-about .pa-table tbody th,
.page-about .pa-table tbody td {
  padding: 0.8rem 0.85rem;
  border-bottom: 1px solid var(--pa-line-soft);
  text-align: left;
  vertical-align: top;
  color: var(--ink-2);
}

.page-about .pa-table tbody th {
  width: 24%;
  font-weight: 600;
  color: var(--ink);
  border-left: 3px solid var(--celadon);
}

.page-about .pa-table tbody tr:nth-child(even) {
  background-color: rgba(191, 211, 203, 0.26);
}

/* ---------- Directory ---------- */
.page-about .pa-directory {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pa-line);
}

.page-about .pa-directory li + li {
  border-top: 1px solid var(--pa-line-soft);
}

.page-about .pa-directory__item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1.5rem;
  align-items: center;
  gap: 0.6rem;
  padding: clamp(0.9rem, 2.4vw, 1.2rem) 0.25rem;
  text-decoration: none;
  color: var(--ink);
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.page-about .pa-directory__item:hover,
.page-about .pa-directory__item:focus-visible {
  background-color: rgba(201, 164, 92, 0.12);
  padding-left: 0.75rem;
}

.page-about .pa-directory__num {
  font-size: 0.78rem;
  color: var(--gold-dim);
  letter-spacing: 0.08em;
}

.page-about .pa-directory__text strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.3vw, 1.12rem);
  font-weight: 500;
  line-height: 1.4;
}

.page-about .pa-directory__text span {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-ui);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-about .pa-directory__arrow {
  font-family: var(--font-mono);
  color: var(--gold);
  transition: transform 0.2s ease;
}

.page-about .pa-directory__item:hover .pa-directory__arrow {
  transform: translateX(4px);
}

/* ---------- Sign-off ---------- */
.page-about .pa-signoff {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border-radius: var(--r-md);
  background-color: var(--paper);
}

.page-about .pa-signoff__line {
  margin: 0;
  max-width: 34ch;
  font-family: var(--font-display);
  font-size: clamp(0.98rem, 2.2vw, 1.15rem);
  line-height: 1.5;
  color: var(--ink);
}
<<<END>>>