.page-about {
  --ab-rail: 156px;
  --ab-gap: clamp(22px, 4vw, 56px);
  --ab-pad: clamp(48px, 8vw, 104px);
  background: var(--fx-paper);
  color: var(--fx-black);
  overflow-x: hidden;
}

.page-about .ab-hero {
  background: var(--fx-ink);
  color: var(--fx-paper);
  padding: clamp(18px, 3vw, 28px) 0 var(--ab-pad);
  position: relative;
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--fx-orange) 0%, var(--fx-orange) 38%, var(--fx-sand) 38%, var(--fx-sand) 58%, var(--fx-teal) 58%, var(--fx-teal) 78%, var(--fx-indigo) 78%, var(--fx-indigo) 100%);
}

.page-about .ab-breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-about .ab-breadcrumb .fx-breadcrumb__link,
.page-about .ab-breadcrumb .fx-breadcrumb__item {
  color: rgba(250, 246, 239, .72);
}

.page-about .ab-breadcrumb .fx-breadcrumb__link:hover,
.page-about .ab-breadcrumb .fx-breadcrumb__link:focus-visible {
  color: var(--fx-paper);
}

.page-about .ab-breadcrumb .fx-breadcrumb__item[aria-current="page"] {
  color: var(--fx-orange-soft);
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  align-items: center;
}

.page-about .ab-hero__eyebrow {
  color: var(--fx-orange-soft);
  margin-bottom: 18px;
}

.page-about .ab-hero__title {
  color: var(--fx-paper);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: clamp(38px, 8.4vw, 82px);
}

.page-about .ab-hero__lede {
  color: rgba(250, 246, 239, .82);
  max-width: 34em;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.8;
  margin: 0 0 clamp(24px, 3vw, 34px);
}

.page-about .ab-hero__facts {
  list-style: none;
  margin: 0 0 clamp(26px, 4vw, 38px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid rgba(250, 246, 239, .22);
  padding-top: 20px;
}

.page-about .ab-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .ab-hero__fact-num {
  font-size: clamp(20px, 3.4vw, 28px);
  color: var(--fx-orange-soft);
  letter-spacing: -.02em;
}

.page-about .ab-hero__fact-label {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(250, 246, 239, .68);
}

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

.page-about .ab-hero__ghost {
  border-color: rgba(250, 246, 239, .46);
  color: var(--fx-paper);
}

.page-about .ab-hero__ghost:hover,
.page-about .ab-hero__ghost:focus-visible {
  border-color: var(--fx-orange-soft);
  color: var(--fx-orange-soft);
}

.page-about .ab-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.page-about .ab-hero__svg {
  width: min(100%, 460px);
  height: auto;
  display: block;
}

.page-about .ab-hero__trail {
  stroke-dasharray: 780;
  stroke-dashoffset: 780;
  animation: ab-draw 1.7s var(--fx-ease) .15s forwards;
}

.page-about .ab-hero__dots {
  opacity: 0;
  animation: ab-fade .8s var(--fx-ease) 1.2s forwards;
}

.page-about .ab-hero__visual-note {
  position: absolute;
  right: 0;
  bottom: -6px;
  margin: 0;
  font-family: var(--fx-font-serif);
  font-size: 12px;
  letter-spacing: .22em;
  color: rgba(250, 246, 239, .5);
  writing-mode: vertical-rl;
}

@keyframes ab-draw {
  to { stroke-dashoffset: 0; }
}

@keyframes ab-fade {
  to { opacity: 1; }
}

.page-about .ab-index {
  background: var(--fx-paper-2);
  border-bottom: 1px solid var(--fx-line);
  position: sticky;
  top: 0;
  z-index: 5;
}

.page-about .ab-index__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-about .ab-index__label {
  flex: none;
  font-family: var(--fx-font-serif);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--fx-mist);
}

.page-about .ab-index__list {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 2px 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .ab-index__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--fx-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .18s var(--fx-ease), color .18s var(--fx-ease);
}

.page-about .ab-index__link:hover,
.page-about .ab-index__link:focus-visible {
  color: var(--fx-orange-deep);
  border-bottom-color: var(--fx-orange);
}

.page-about .ab-index__num {
  font-size: 11px;
  color: var(--fx-orange-deep);
}

.page-about .ab-chapter {
  padding: var(--ab-pad) 0;
  position: relative;
}

.page-about .ab-chapter--paper {
  background: var(--fx-paper);
}

.page-about .ab-chapter--wine {
  background: var(--fx-wine);
  color: var(--fx-paper);
}

.page-about .ab-chapter--indigo {
  background: var(--fx-indigo);
  color: var(--fx-paper);
}

.page-about .ab-chapter--tint {
  background: var(--fx-paper-2);
}

.page-about .ab-chapter--next {
  background: var(--fx-paper-3);
  border-top: 1px solid var(--fx-line);
}

.page-about .ab-chapter__grid {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
  align-items: start;
}

.page-about .ab-rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--fx-line);
}

.page-about .ab-chapter--wine .ab-rail,
.page-about .ab-chapter--indigo .ab-rail {
  border-bottom-color: rgba(250, 246, 239, .3);
}

.page-about .ab-rail__num {
  font-size: 26px;
  color: var(--fx-orange);
  letter-spacing: -.02em;
}

.page-about .ab-rail__year {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--fx-mist);
}

.page-about .ab-chapter--wine .ab-rail__year,
.page-about .ab-chapter--indigo .ab-rail__year {
  color: rgba(250, 246, 239, .7);
}

.page-about .ab-rail__note {
  font-family: var(--fx-font-serif);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--fx-mist);
}

.page-about .ab-chapter--wine .ab-rail__note,
.page-about .ab-chapter--indigo .ab-rail__note {
  color: rgba(250, 246, 239, .62);
}

.page-about .ab-body__title {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  color: var(--fx-ink);
  font-size: clamp(26px, 4.6vw, 46px);
  line-height: 1.24;
  letter-spacing: -.015em;
}

.page-about .ab-chapter--wine .ab-body__title,
.page-about .ab-chapter--indigo .ab-body__title {
  color: var(--fx-paper);
}

.page-about .ab-body__prose {
  margin: 0 0 18px;
  max-width: 36em;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--fx-black);
}

.page-about .ab-body__prose--onwine,
.page-about .ab-body__prose--onindigo {
  color: rgba(250, 246, 239, .84);
}

.page-about .ab-quote {
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 22px 24px;
  background: var(--fx-paper-2);
  border-left: 4px solid var(--fx-orange);
}

.page-about .ab-quote__text {
  margin: 0 0 10px;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.7;
  color: var(--fx-ink);
  font-weight: 500;
}

.page-about .ab-quote__source {
  margin: 0;
  color: var(--fx-mist);
}

.page-about .ab-media {
  margin: clamp(22px, 3vw, 32px) 0;
  overflow: hidden;
  border-radius: 3px;
  background: var(--fx-paper-2);
  box-shadow: 0 18px 34px -26px rgba(14, 34, 56, .55);
}

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

.page-about .ab-timeline {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0 0 0 22px;
  position: relative;
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--fx-sand), rgba(217, 164, 65, .18));
}

.page-about .ab-timeline__item {
  position: relative;
  padding: 0 0 clamp(26px, 3.6vw, 38px);
}

.page-about .ab-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about .ab-timeline__dot {
  position: absolute;
  left: -22px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--fx-sand);
  box-shadow: 0 0 0 3px rgba(217, 164, 65, .22);
}

.page-about .ab-timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-about .ab-timeline__year {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--fx-sand);
}

.page-about .ab-timeline__tag {
  background: rgba(250, 246, 239, .14);
  color: var(--fx-paper);
  border-color: rgba(250, 246, 239, .24);
}

.page-about .ab-timeline__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.45;
  color: var(--fx-paper);
}

.page-about .ab-timeline__text {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(250, 246, 239, .8);
}

.page-about .ab-board {
  position: relative;
  margin-top: clamp(24px, 3.4vw, 34px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--fx-paper-3);
  border: 1px solid var(--fx-line-strong);
  box-shadow: 8px 8px 0 -1px var(--fx-paper-2), 8px 8px 0 0 var(--fx-line);
}

.page-about .ab-board__stamp {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 20px;
  padding: 6px 12px;
  background: var(--fx-ink);
  color: var(--fx-paper);
}

.page-about .ab-board__stamp-num {
  font-size: 20px;
  color: var(--fx-orange-soft);
}

.page-about .ab-board__stamp-label {
  font-size: 12px;
  letter-spacing: .14em;
}

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

.page-about .ab-role {
  border-top: 1px solid var(--fx-line);
  padding-top: 12px;
}

.page-about .ab-board__item:first-child .ab-role {
  border-top: 0;
  padding-top: 0;
}

.page-about .ab-role__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}

.page-about .ab-role__summary::-webkit-details-marker {
  display: none;
}

.page-about .ab-role__summary:focus-visible {
  outline: 2px solid var(--fx-orange);
  outline-offset: 3px;
}

.page-about .ab-role__num {
  font-size: 22px;
  color: var(--fx-orange-deep);
  min-width: 2ch;
}

.page-about .ab-role__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--fx-ink);
  flex: 1 1 auto;
}

.page-about .ab-role__hint {
  font-size: 12px;
  color: var(--fx-orange-deep);
  border-bottom: 1px solid currentColor;
  white-space: nowrap;
}

.page-about .ab-role[open] .ab-role__hint {
  color: var(--fx-mist);
  border-bottom-color: transparent;
}

.page-about .ab-role__text {
  margin: 8px 0 4px 34px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--fx-black);
}

.page-about .ab-flow {
  list-style: none;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: abflow;
}

.page-about .ab-flow__step {
  padding: 18px 20px;
  background: rgba(250, 246, 239, .07);
  border-left: 3px solid var(--fx-teal);
}

.page-about .ab-flow__num {
  display: block;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--fx-teal);
  margin-bottom: 6px;
}

.page-about .ab-flow__title {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--fx-paper);
}

.page-about .ab-flow__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(250, 246, 239, .82);
}

.page-about .ab-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--fx-line-strong);
  font-size: 14px;
  line-height: 1.85;
  color: var(--fx-mist);
  max-width: 40em;
}

.page-about .ab-chapter--indigo .ab-note {
  border-top-color: rgba(250, 246, 239, .28);
  color: rgba(250, 246, 239, .74);
}

.page-about .ab-stamp {
  position: relative;
  width: 116px;
  height: 116px;
  margin: clamp(18px, 3vw, 26px) 0;
  display: grid;
  place-content: center;
  justify-items: center;
  border-radius: 50%;
  background: var(--fx-paper-3);
  border: 1px solid var(--fx-line-strong);
}

.page-about .ab-stamp__ring {
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  border: 1px dashed var(--fx-sand);
}

.page-about .ab-stamp__num {
  font-size: 38px;
  line-height: 1;
  color: var(--fx-orange);
}

.page-about .ab-stamp__label {
  font-family: var(--fx-font-serif);
  font-size: 12px;
  letter-spacing: .3em;
  color: var(--fx-mist);
  margin-top: 4px;
}

.page-about .ab-catalog {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-about .ab-catalog__title {
  margin: 0 0 12px;
  font-size: 14px;
  letter-spacing: .16em;
  color: var(--fx-indigo);
  font-weight: 600;
}

.page-about .ab-catalog__chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-chip {
  background: var(--fx-paper-3);
  color: var(--fx-ink);
  border: 1px solid var(--fx-line-strong);
  padding: 7px 12px;
  font-size: 13px;
}

.page-about .ab-catalog__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--fx-line-strong);
}

.page-about .ab-catalog__row {
  display: grid;
  grid-template-columns: 2.2em 1fr;
  gap: 2px 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--fx-line);
}

.page-about .ab-catalog__idx {
  font-size: 12px;
  color: var(--fx-orange-deep);
  grid-row: span 2;
  padding-top: 3px;
}

.page-about .ab-catalog__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--fx-ink);
}

.page-about .ab-catalog__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fx-mist);
}

.page-about .ab-graph {
  margin: clamp(20px, 3vw, 30px) 0;
  display: grid;
  gap: 14px;
}

.page-about .ab-graph__hub {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 18px;
  background: var(--fx-ink);
  color: var(--fx-paper);
}

.page-about .ab-graph__hub-num {
  font-size: 26px;
  color: var(--fx-orange-soft);
}

.page-about .ab-graph__hub-label {
  font-size: 13px;
  letter-spacing: .1em;
}

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

.page-about .ab-graph__node {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--fx-paper-3);
  border-top: 3px solid var(--fx-teal);
}

.page-about .ab-graph__node-num {
  font-size: 20px;
  color: var(--fx-teal);
}

.page-about .ab-graph__node-label {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--fx-ink);
}

.page-about .ab-link {
  color: var(--fx-orange-deep);
  font-weight: 500;
}

.page-about .ab-next {
  display: grid;
  gap: 12px;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
}

.page-about .ab-next__card {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  background: var(--fx-paper-2);
  border-left: 4px solid var(--fx-orange);
  text-decoration: none;
  color: var(--fx-ink);
  transition: transform .18s var(--fx-ease), background-color .18s var(--fx-ease);
}

.page-about .ab-next__card:hover,
.page-about .ab-next__card:focus-visible {
  background: var(--fx-paper-3);
  transform: translateX(3px);
}

.page-about .ab-next__num {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--fx-orange-deep);
}

.page-about .ab-next__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--fx-ink);
}

.page-about .ab-next__text {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fx-mist);
}

.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s var(--fx-ease), transform .6s var(--fx-ease);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (min-width: 720px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-about .ab-catalog {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }

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

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

  .page-about .ab-role__text {
    margin-left: 40px;
  }
}

@media (min-width: 960px) {
  .page-about .ab-chapter__grid {
    grid-template-columns: var(--ab-rail) minmax(0, 1fr);
    gap: var(--ab-gap);
  }

  .page-about .ab-rail {
    position: sticky;
    top: 92px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 0;
    border-left: 2px solid var(--fx-orange);
    padding: 2px 0 2px 14px;
  }

  .page-about .ab-chapter--wine .ab-rail,
  .page-about .ab-chapter--indigo .ab-rail {
    border-left-color: var(--fx-sand);
    border-bottom: 0;
  }

  .page-about .ab-rail__num {
    font-size: 34px;
  }

  .page-about .ab-rail__note {
    writing-mode: vertical-rl;
    letter-spacing: .3em;
    margin-top: 6px;
  }

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

  .page-about .ab-flow__step {
    border-left: 0;
    border-top: 3px solid var(--fx-teal);
    background: transparent;
    padding: 18px 18px 18px 0;
  }

  .page-about .ab-flow__step + .ab-flow__step {
    padding-left: 18px;
    border-left: 1px solid rgba(250, 246, 239, .2);
  }

  .page-about .ab-hero__visual {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-hero__trail,
  .page-about .ab-hero__dots {
    animation: none;
    stroke-dashoffset: 0;
    opacity: 1;
  }

  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-about .ab-next__card,
  .page-about .ab-index__link {
    transition: none;
  }
}
<<<END>>>