.page-about {
  --about-rule: rgba(244, 247, 251, .13);
  --about-glow-a: rgba(168, 255, 62, .16);
  --about-glow-b: rgba(255, 106, 31, .14);
  --about-panel: rgba(8, 12, 18, .48);
  --about-radius: 10px;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(18px, 3.4vw, 32px) 0 clamp(30px, 6vw, 68px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -42% -12% auto -12%;
  height: 132%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(46% 42% at 14% 12%, var(--about-glow-a), transparent 72%),
    radial-gradient(40% 38% at 86% 4%, var(--about-glow-b), transparent 72%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  margin-top: clamp(16px, 3vw, 32px);
}

@media (min-width: 920px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
  }
}

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

.page-about .about-hero h1 {
  margin: .18em 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -.012em;
  color: var(--cool-white);
  text-wrap: balance;
}

.page-about .about-hero__lede {
  max-width: 46ch;
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.82;
  color: var(--ink-dim);
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

@media (min-width: 620px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-facts__item {
  border-top: 2px solid var(--neon-green);
  padding-top: 10px;
  min-width: 0;
}

.page-about .about-facts__item dt {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-faint);
}

.page-about .about-facts__item dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--cool-white);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__figure {
  margin: 0;
  border-radius: var(--about-radius);
  border: 1px solid var(--about-rule);
  overflow: hidden;
  background: linear-gradient(150deg, var(--deep-indigo), var(--arena-night));
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-about .about-hero__caption {
  padding: 10px 14px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-faint);
  border-top: 1px solid var(--about-rule);
}

/* ---------- .page-about grid ---------- */
.page-about .about-body {
  display: grid;
  gap: clamp(20px, 3.4vw, 44px);
  padding-bottom: clamp(48px, 9vw, 110px);
}

@media (min-width: 1000px) {
  .page-about .about-body {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: start;
  }
}

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

@media (min-width: 1000px) {
  .page-about .about-index {
    position: sticky;
    top: 104px;
  }
}

.page-about .index-rail {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 2px 0 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1000px) {
  .page-about .index-rail {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
    border-left: 2px solid var(--about-rule);
  }
}

.page-about .index-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 8px 12px;
  border-radius: var(--radius-s);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color .18s var(--ease), background-color .18s var(--ease);
}

.page-about .index-rail__link:hover {
  color: var(--cool-white);
  background: rgba(168, 255, 62, .08);
}

.page-about .index-rail__link:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 2px;
}

@media (min-width: 1000px) {
  .page-about .index-rail__link {
    width: 100%;
    justify-content: flex-start;
    padding: 10px 12px;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
  }
}

.page-about .index-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ember-orange);
  font-variant-numeric: tabular-nums;
}

.page-about .index-rail__link.is-active {
  color: var(--neon-green);
  background: rgba(168, 255, 62, .1);
}

.page-about .index-rail__link.is-active .index-rail__num {
  color: var(--neon-green);
}

@media (min-width: 1000px) {
  .page-about .index-rail__link.is-active {
    box-shadow: inset 3px 0 0 var(--neon-green);
  }
}

/* ---------- chapters ---------- */
.page-about .about-chapters {
  min-width: 0;
}

.page-about .chapter {
  position: relative;
  margin-bottom: clamp(18px, 3.2vw, 32px);
  padding: clamp(22px, 3.4vw, 42px) clamp(16px, 2.6vw, 38px);
  border-radius: var(--about-radius);
  border: 1px solid var(--about-rule);
  scroll-margin-top: 104px;
}

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

.page-about .chapter--indigo {
  background: linear-gradient(158deg, var(--deep-indigo), rgba(8, 12, 18, .58));
}

.page-about .chapter--teal {
  background: linear-gradient(158deg, var(--deep-teal), rgba(8, 12, 18, .58));
}

.page-about .chapter--wine {
  background: linear-gradient(158deg, var(--wine-stand), rgba(8, 12, 18, .66));
}

.page-about .chapter__head {
  max-width: 68ch;
}

.page-about .chapter__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-about .chapter__tag .num {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ember-orange);
}

.page-about .chapter h2 {
  margin: .38em 0 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.6vw, 37px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.008em;
  color: var(--cool-white);
  text-wrap: balance;
}

.page-about .chapter__lead {
  margin: 1em 0 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.82;
  color: var(--ink-dim);
}

/* ---------- timeline ---------- */
.page-about .timeline {
  position: relative;
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

.page-about .timeline__spine {
  position: absolute;
  left: 4px;
  top: 8px;
  width: 4px;
  height: calc(100% - 16px);
  display: block;
  pointer-events: none;
}

.page-about .timeline__item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 28px) 34px;
}

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

.page-about .timeline__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--arena-night);
  border: 2px solid var(--neon-green);
  transition: background-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-about .timeline__item:hover::after {
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(168, 255, 62, .18);
}

.page-about .timeline__stamp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ember-orange);
  font-variant-numeric: tabular-nums;
}

.page-about .timeline__title {
  margin: .32em 0 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--cool-white);
}

.page-about .timeline__text {
  max-width: 62ch;
  margin: .5em 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-dim);
}

/* ---------- quote + principles ---------- */
.page-about .about-quote {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 3px solid var(--neon-green);
  font-family: var(--font-head);
  font-size: clamp(20px, 3.1vw, 32px);
  font-weight: 700;
  line-height: 1.34;
  color: var(--cool-white);
  text-wrap: balance;
}

.page-about .principles {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 720px) {
  .page-about .principles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .principle {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--about-radius);
  border: 1px solid var(--about-rule);
  background: var(--about-panel);
  cursor: default;
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-about .principle:hover,
.page-about .principle:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon-green);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .38);
}

.page-about .principle:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 3px;
}

.page-about .principle__index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--neon-green);
}

.page-about .principle h3 {
  margin: .55em 0 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--cool-white);
}

.page-about .principle p {
  margin: .62em 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.76;
  color: var(--ink-dim);
}

.page-about .principle__more {
  max-height: 0;
  margin-top: 0;
  opacity: 0;
  overflow: hidden;
  border-top: 1px dashed transparent;
  transition: max-height .28s var(--ease), opacity .28s var(--ease), margin-top .28s var(--ease), border-color .28s var(--ease);
}

.page-about .principle:hover .principle__more,
.page-about .principle:focus-within .principle__more,
.page-about .principle:focus-visible .principle__more {
  max-height: 10em;
  margin-top: 12px;
  padding-top: 10px;
  opacity: 1;
  border-top-color: rgba(168, 255, 62, .3);
}

/* ---------- figures ---------- */
.page-about .about-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
  border-radius: var(--about-radius);
  border: 1px solid var(--about-rule);
  overflow: hidden;
  background: linear-gradient(150deg, var(--deep-indigo), var(--arena-night));
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-figure--wide img {
  aspect-ratio: 2 / 1;
}

.page-about .about-figure__caption {
  padding: 10px 14px 12px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-faint);
  border-top: 1px solid var(--about-rule);
}

/* ---------- flow ---------- */
.page-about .flow {
  display: grid;
  gap: clamp(14px, 2vw, 18px);
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
}

@media (min-width: 700px) {
  .page-about .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .flow__step {
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--about-radius);
  background: var(--about-panel);
  border-left: 3px solid var(--electric-blue);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-about .flow__step:hover {
  transform: translateY(-3px);
  border-left-color: var(--neon-green);
}

.page-about .flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--electric-blue);
  font-variant-numeric: tabular-nums;
}

.page-about .flow__step h3 {
  margin: .55em 0 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--cool-white);
}

.page-about .flow__step p {
  margin: .55em 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-dim);
}

/* ---------- crew ---------- */
.page-about .crew {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

@media (min-width: 640px) {
  .page-about .crew {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-about .crew {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .crew__item {
  padding-top: 12px;
  border-top: 2px solid var(--ember-orange);
}

.page-about .crew__item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--cool-white);
}

.page-about .crew__item p {
  margin: .6em 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-dim);
}

.page-about .cadence {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
}

@media (min-width: 760px) {
  .page-about .cadence {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .cadence li {
  padding: 13px 15px;
  border-radius: var(--radius-s);
  background: rgba(8, 12, 18, .5);
  border-left: 3px solid var(--amber-signal);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-dim);
}

.page-about .cadence__label {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber-signal);
}

/* ---------- region facts ---------- */
.page-about .region-facts {
  display: grid;
  gap: 0;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--about-rule);
}

.page-about .region-facts__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-rule);
}

@media (min-width: 640px) {
  .page-about .region-facts__row {
    grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

.page-about .region-facts__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink-faint);
}

.page-about .region-facts__row dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.76;
  color: var(--cool-white);
}

.page-about .region-facts__row dd.num {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--neon-green);
}

.page-about .region-facts__row a,
.page-about .about-links a {
  color: var(--cool-white);
  text-decoration: none;
  border-bottom: 1px solid rgba(168, 255, 62, .5);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-about .region-facts__row a:hover,
.page-about .region-facts__row a:focus-visible,
.page-about .about-links a:hover,
.page-about .about-links a:focus-visible {
  color: var(--neon-green);
  border-bottom-color: var(--neon-green);
}

.page-about .region-facts__row a:focus-visible,
.page-about .about-links a:focus-visible {
  outline: 2px solid var(--neon-green);
  outline-offset: 2px;
}

/* ---------- next ---------- */
.page-about .nextlist {
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

@media (min-width: 760px) {
  .page-about .nextlist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .nextlist__item {
  position: relative;
  padding: clamp(16px, 2.2vw, 22px);
  padding-top: calc(clamp(16px, 2.2vw, 22px) + 10px);
  border-radius: var(--about-radius);
  background: var(--about-panel);
  border: 1px solid var(--about-rule);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-about .nextlist__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(16px, 2.2vw, 22px);
  width: 34px;
  height: 3px;
  background: var(--neon-green);
}

.page-about .nextlist__item:hover {
  transform: translateY(-4px);
  border-color: rgba(168, 255, 62, .55);
}

.page-about .nextlist__item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--cool-white);
}

.page-about .nextlist__item p {
  margin: .62em 0 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-dim);
}

.page-about .about-links {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--electric-blue);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-about .principle,
  .page-about .flow__step,
  .page-about .nextlist__item,
  .page-about .timeline__item::after,
  .page-about .index-rail__link {
    transition: color .18s linear, background-color .18s linear, border-color .18s linear;
  }

  .page-about .principle:hover,
  .page-about .principle:focus-visible,
  .page-about .flow__step:hover,
  .page-about .nextlist__item:hover {
    transform: none;
  }
}
<<<END>>>