.page-about{
  --ab-gap: clamp(56px, 9vw, 120px);
  --ab-rail: 168px;
  --ab-panel: rgba(18,58,43,.55);
  --ab-panel-soft: rgba(18,58,43,.32);
  background: var(--ink);
  color: var(--warm);
  overflow-x: clip;
}

.page-about .ab-section{
  padding-block: var(--ab-gap);
}

.page-about .ab-h2{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 38px);
  line-height: 1.16;
  letter-spacing: -.02em;
  margin: 10px 0 0;
  color: var(--warm);
}

.page-about .ab-narrow{
  max-width: 640px;
}

.page-about .prose{
  color: var(--warm-72);
  font-size: 15px;
  line-height: 1.78;
  margin-top: 18px;
}

.page-about .prose p{
  margin: 0 0 20px;
}

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

.page-about .note--vertical{
  writing-mode: horizontal-tb;
  letter-spacing: .16em;
  color: var(--warm-56);
  font-size: 12px;
}

/* ---------- hero ---------- */
.page-about .ab-hero{
  position: relative;
  padding-top: clamp(20px, 4vw, 40px);
  padding-bottom: clamp(32px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(31,122,76,.42) 0%, rgba(7,19,15,0) 62%),
    linear-gradient(180deg, var(--ink) 0%, #081814 100%);
  border-bottom: 1px solid var(--line-soft);
}

.page-about .ab-hero__inner{
  display: grid;
  gap: 26px;
}

.page-about .ab-hero__aside{
  display: flex;
  align-items: center;
}

.page-about .ab-hero__title{
  margin: 14px 0 0;
  font-size: clamp(32px, 7vw, 58px);
  line-height: 1.06;
  letter-spacing: -.03em;
}

.page-about .ab-hero__lede{
  margin-top: 20px;
  max-width: 34em;
  color: var(--warm-72);
  font-size: 16px;
  line-height: 1.78;
}

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

.page-about .ab-board{
  position: relative;
  padding: 24px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(115deg, rgba(31,122,76,.16) 0 2px, rgba(31,122,76,0) 2px 12px),
    linear-gradient(160deg, var(--stand) 0%, #0B241B 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  overflow: hidden;
}

.page-about .ab-board::after{
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(216,222,214,.14);
  border-radius: var(--r-md);
  pointer-events: none;
}

.page-about .ab-board__tag{
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--lime);
}

.page-about .ab-board__row{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line-soft);
}

.page-about .ab-board__num{
  font-size: clamp(34px, 7vw, 46px);
  line-height: 1;
  color: var(--lime);
}

.page-about .ab-board__unit{
  font-size: 13px;
  color: var(--warm-72);
}

.page-about .ab-board__foot{
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--warm-56);
}

/* ---------- origin ---------- */
.page-about .ab-origin__eyebrow{
  display: inline-block;
}

.page-about .ab-origin__prose{
  margin-top: 26px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

/* ---------- stages ---------- */
.page-about .ab-stages{
  background: linear-gradient(180deg, #081814 0%, var(--ink) 55%);
}

.page-about .ab-stages__head{
  display: grid;
  gap: 20px;
  margin-bottom: 40px;
}

.page-about .ab-stages__jump{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-stages__jump .chip{
  font-size: 12px;
}

.page-about .ab-timeline{
  display: grid;
  gap: 20px;
}

.page-about .ab-timeline__rail{
  display: none;
}

.page-about .ab-stage-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .ab-stage{
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: var(--ab-panel-soft);
  border: 1px solid var(--line-soft);
  border-left: 3px solid rgba(200,255,77,.28);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}

.page-about .ab-stage:target{
  border-color: rgba(200,255,77,.5);
  border-left-color: var(--lime);
  background: var(--ab-panel);
}

.page-about .ab-stage__when{
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--warm-56);
  letter-spacing: .1em;
}

.page-about .ab-stage__when .num{
  font-size: 26px;
  color: var(--amber);
  letter-spacing: 0;
}

.page-about .ab-stage__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--warm);
}

.page-about .ab-stage__body p{
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--warm-72);
}

.page-about .ab-stage__list{
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}

.page-about .ab-stage__list li{
  font-size: 12px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(53,224,200,.34);
  color: var(--cyan);
}

/* ---------- team ---------- */
.page-about .ab-team{
  background: var(--warm);
  color: var(--char);
}

.page-about .ab-team .ab-h2{
  color: var(--char);
}

.page-about .ab-team .prose{
  color: rgba(23,26,27,.74);
}

.page-about .ab-team .eyebrow{
  color: var(--char);
}

.page-about .ab-team__inner{
  display: grid;
  gap: 36px;
}

.page-about .ab-team__stats{
  display: grid;
  gap: 24px;
}

.page-about .ab-bar{
  display: flex;
  height: 74px;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: rgba(23,26,27,.08);
}

.page-about .ab-bar__seg{
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  transition: flex-grow .35s var(--ease);
}

.page-about .ab-bar__seg--edit{ flex: 18; background: var(--pitch); }
.page-about .ab-bar__seg--data{ flex: 12; background: #1A5E3C; }
.page-about .ab-bar__seg--fan{ flex: 9; background: var(--amber); }
.page-about .ab-bar__seg--prod{ flex: 7; background: #2E3B36; }

.page-about .ab-bar__num{
  font-size: 18px;
  color: var(--warm);
}

.page-about .ab-bar__seg--fan .ab-bar__num{
  color: var(--char);
}

.page-about .ab-roles{
  display: grid;
  gap: 10px;
}

.page-about .ab-role{
  border-radius: var(--r-sm);
  border: 1px solid rgba(23,26,27,.14);
  background: #fff;
  overflow: hidden;
}

.page-about .ab-role__summary{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 15px;
  color: var(--char);
}

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

.page-about .ab-role__dot{
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex: 0 0 auto;
}

.page-about .ab-role__dot--edit{ background: var(--pitch); }
.page-about .ab-role__dot--data{ background: #1A5E3C; }
.page-about .ab-role__dot--fan{ background: var(--amber); }
.page-about .ab-role__dot--prod{ background: #2E3B36; }

.page-about .ab-role__hint{
  margin-left: auto;
  font-size: 11px;
  font-weight: 400;
  color: rgba(23,26,27,.48);
  text-align: right;
}

.page-about .ab-role[open] .ab-role__hint{
  color: var(--pitch);
}

.page-about .ab-role__text{
  margin: 0;
  padding: 0 16px 16px 36px;
  font-size: 14px;
  line-height: 1.76;
  color: rgba(23,26,27,.74);
}

/* ---------- flow ---------- */
.page-about .ab-flow-section__inner{
  display: grid;
  gap: 32px;
}

.page-about .ab-flow-section__figure{
  margin: 0;
}

.page-about .ab-flow-section__media{
  display: block;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

.page-about .ab-flow-section .media__caption{
  margin-top: 12px;
  font-size: 12px;
  color: var(--warm-56);
}

.page-about .ab-flow{
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 22px;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-about .ab-flow::before{
  content: "";
  position: absolute;
  left: 5px;
  top: 6px;
  bottom: 6px;
  border-left: 1px dashed rgba(200,255,77,.35);
}

.page-about .ab-step{
  position: relative;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: var(--ab-panel-soft);
  border: 1px solid var(--line-soft);
  transition: transform .28s var(--ease), border-color .28s var(--ease), background .28s var(--ease);
}

.page-about .ab-step::before{
  content: "";
  position: absolute;
  left: -22px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200,255,77,.14);
}

.page-about .ab-step:hover,
.page-about .ab-step:focus-within{
  transform: translateY(-2px);
  border-color: rgba(53,224,200,.4);
  background: var(--ab-panel);
}

.page-about .ab-step__no{
  font-size: 13px;
  color: var(--lime);
  letter-spacing: .12em;
}

.page-about .ab-step__title{
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-about .ab-step__body p{
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--warm-72);
}

.page-about .ab-step__time{
  display: inline-block;
  margin-top: 10px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  color: var(--amber);
  letter-spacing: .02em;
  border-bottom: 1px dashed rgba(255,180,58,.4);
}

/* ---------- coverage ---------- */
.page-about .ab-coverage{
  background: linear-gradient(180deg, var(--ink) 0%, #0A1F18 100%);
}

.page-about .ab-coverage__lede{
  max-width: 44em;
}

.page-about .ab-cov-list{
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .ab-cov{
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: var(--ab-panel-soft);
  border: 1px solid var(--line-soft);
}

.page-about .ab-cov__tag{
  display: inline-block;
  font-size: 11px;
  letter-spacing: .14em;
  padding: 5px 12px;
  background: var(--amber);
  color: var(--char);
  font-weight: 700;
}

.page-about .ab-cov__title{
  margin: 14px 0 0;
  font-size: 18px;
  font-weight: 900;
  font-family: var(--font-display);
  color: var(--warm);
}

.page-about .ab-cov p{
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--warm-72);
}

.page-about .ab-cov__meta{
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: .04em;
}

/* ---------- creed ---------- */
.page-about .ab-creed__head{
  display: grid;
  gap: 14px;
}

.page-about .ab-creed__lede{
  max-width: 40em;
  margin-top: 0;
}

.page-about .ab-creed__figure{
  margin: 30px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
}

.page-about .ab-creed__figure::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7,19,15,.18) 0%, rgba(7,19,15,.62) 100%);
  pointer-events: none;
}

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

.page-about .ab-creed-list{
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .ab-creed-item{
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: var(--ab-panel-soft);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-about .ab-creed-item__no{
  font-size: 30px;
  color: rgba(200,255,77,.55);
  line-height: 1;
}

.page-about .ab-creed-item__title{
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 900;
  font-family: var(--font-display);
  color: var(--warm);
}

.page-about .ab-creed-item p{
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--warm-72);
}

/* ---------- next ---------- */
.page-about .ab-next__inner{
  display: grid;
  gap: 32px;
}

.page-about .ab-next__copy{
  max-width: 34em;
}

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

.page-about .ab-next__poster{
  margin: 0;
  max-width: 420px;
}

.page-about .ab-next__poster .media{
  display: block;
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

.page-about .ab-next__poster .media__caption{
  margin-top: 12px;
  font-size: 12px;
  color: var(--warm-56);
  letter-spacing: .04em;
}

/* ---------- media baseline ---------- */
.page-about .media{
  position: relative;
  background: linear-gradient(160deg, var(--stand) 0%, #0A1F18 100%);
}

.page-about .media img{
  max-width: 100%;
}

/* ---------- tablet ---------- */
@media (min-width: 720px){
  .page-about .ab-board__num{
    font-size: 46px;
  }

  .page-about .ab-cov-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .ab-cov:first-child{
    grid-column: 1 / -1;
  }

  .page-about .ab-creed-list{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .ab-creed-item:nth-child(2){
    margin-top: 28px;
  }
}

/* ---------- desktop ---------- */
@media (min-width: 960px){
  .page-about .ab-hero__inner{
    grid-template-columns: 40px minmax(0, 1fr) 340px;
    align-items: start;
    gap: 48px;
    padding-top: 24px;
  }

  .page-about .ab-hero__aside{
    justify-content: center;
    padding-top: 12px;
  }

  .page-about .ab-hero .ab-hero__aside .note--vertical{
    writing-mode: vertical-rl;
    border-left: 1px solid var(--line);
    padding-left: 12px;
    height: 210px;
    letter-spacing: .3em;
  }

  .page-about .ab-board{
    margin-top: 16px;
    margin-right: -24px;
    padding: 30px 26px;
  }

  .page-about .ab-origin__prose{
    padding-left: 32px;
  }

  .page-about .ab-stages__head{
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-about .ab-timeline{
    grid-template-columns: var(--ab-rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-about .ab-timeline__rail{
    display: block;
    position: sticky;
    top: 104px;
    padding-top: 8px;
  }

  .page-about .ab-timeline__rail .note--vertical{
    writing-mode: vertical-rl;
    letter-spacing: .26em;
    height: 150px;
    margin-bottom: 12px;
  }

  .page-about .ab-timeline__line{
    display: block;
    width: 1px;
    height: 240px;
    margin-left: 6px;
    background: repeating-linear-gradient(180deg, rgba(200,255,77,.55) 0 8px, rgba(200,255,77,0) 8px 16px);
  }

  .page-about .ab-stage-list{
    gap: 22px;
  }

  .page-about .ab-stage{
    padding: 26px 28px;
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-about .ab-stage__when{
    flex-direction: column;
    gap: 6px;
    margin-bottom: 0;
  }

  .page-about .ab-stage__when .num{
    font-size: 32px;
  }

  .page-about .ab-team__inner{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .ab-team__lead{
    position: sticky;
    top: 104px;
  }

  .page-about .ab-flow-section__inner{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .ab-flow-section__figure{
    position: sticky;
    top: 104px;
  }

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

  .page-about .ab-cov:first-child{
    grid-column: auto;
  }

  .page-about .ab-cov:nth-child(2){
    margin-top: 34px;
  }

  .page-about .ab-creed__head{
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
    align-items: end;
    gap: 40px;
  }

  .page-about .ab-next__inner{
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 64px;
    align-items: start;
  }

  .page-about .ab-next__poster{
    margin-left: auto;
  }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce){
  .page-about .ab-step,
  .page-about .ab-bar__seg,
  .page-about .ab-stage{
    transition: none;
  }

  .page-about .ab-step:hover,
  .page-about .ab-step:focus-within{
    transform: none;
  }
}
<<<END>>>