.page-about{
  --about-note:#4a5661;
  --about-hair:rgba(214,227,232,.7);
  background:var(--paper);
  color:var(--graphite);
  font-family:var(--font-body);
  overflow-x:clip;
}

.page-about .wrap{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.page-about .mono{font-family:var(--font-mono);}

.page-about .kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 18px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--teal);
}
.page-about .kicker::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--cyan);
  flex:none;
}
.page-about .kicker--light{color:var(--cyan);}

.page-about h2{
  margin:0 0 16px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(26px,3.4vw,44px);
  line-height:1.14;
  letter-spacing:-.02em;
  color:var(--ink-900);
}

.page-about .sec-lede{
  margin:0;
  max-width:40em;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:var(--about-note);
}

/* ---------- hero ---------- */
.page-about .about-hero{
  position:relative;
  background:var(--ink-900);
  color:var(--paper);
  padding:clamp(112px,15vw,170px) 0 clamp(48px,7vw,84px);
  overflow:hidden;
}
.page-about .about-hero::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,224,208,.55),transparent);
}
.page-about .about-hero::after{
  content:"";
  position:absolute;
  right:-14%;top:6%;
  width:min(56vw,640px);
  aspect-ratio:1;
  background:radial-gradient(circle,rgba(35,224,208,.18),transparent 64%);
  pointer-events:none;
}

.page-about .crumb{
  position:relative;
  z-index:1;
  display:flex;
  gap:10px;
  align-items:center;
  margin-bottom:clamp(28px,4vw,46px);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mute);
}
.page-about .crumb a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.page-about .crumb a:hover,.page-about .crumb a:focus-visible{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}

.page-about .hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,4fr);
  gap:clamp(26px,4vw,56px);
  align-items:end;
}

.page-about h1{
  margin:0 0 clamp(20px,3vw,30px);
  max-width:15ch;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(34px,5.6vw,68px);
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--paper);
}

.page-about .hero-p{
  margin:0 0 14px;
  max-width:46ch;
  font-size:clamp(15px,1.5vw,17px);
  line-height:1.8;
  color:rgba(247,249,250,.78);
}
.page-about .hero-p:last-child{margin-bottom:0;}

.page-about .hero-index{
  display:flex;
  flex-direction:column;
  border-left:1px solid rgba(214,227,232,.18);
  padding-left:clamp(16px,2vw,28px);
}
.page-about .hero-index a{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:13px 0;
  font-size:15px;
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid rgba(214,227,232,.1);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.page-about .hero-index a:last-child{border-bottom:0;}
.page-about .hero-index a .mono{font-size:12px;color:var(--mute);transition:color .2s var(--ease);}
.page-about .hero-index a:hover,.page-about .hero-index a:focus-visible{color:var(--cyan);padding-left:6px;}
.page-about .hero-index a:hover .mono,.page-about .hero-index a:focus-visible .mono{color:var(--cyan);}

/* ---------- shared section spacing ---------- */
.page-about .about-route,
.page-about .about-changes,
.page-about .about-team,
.page-about .about-reach,
.page-about .about-plan,
.page-about .about-next{
  padding:clamp(56px,9vw,110px) 0;
}
.page-about .sec-head{
  max-width:720px;
  margin-bottom:clamp(32px,5vw,56px);
}

/* ---------- timeline ---------- */
.page-about .rail{
  position:relative;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,3vw,40px);
  padding-top:8px;
}
.page-about .rail::before{
  content:"";
  position:absolute;
  left:0;right:0;top:14px;
  height:1px;
  background:linear-gradient(90deg,var(--mist),rgba(214,227,232,.35));
}

.page-about .stage{display:flex;flex-direction:column;}

.page-about .dots{
  position:relative;
  z-index:1;
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin:0;
  padding:0;
  list-style:none;
  min-height:14px;
}
.page-about .dot-wrap{
  position:relative;
  display:flex;
  justify-content:center;
}
.page-about .dot{
  display:block;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--ink-500);
  outline:none;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.page-about .dot:hover,.page-about .dot:focus-visible{
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(35,224,208,.22);
}
.page-about .dot--now{
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(35,224,208,.18);
}

.page-about .dot-note{
  position:absolute;
  bottom:calc(100% + 14px);
  left:50%;
  z-index:6;
  width:196px;
  padding:10px 12px;
  border-radius:12px;
  background:var(--ink-900);
  color:var(--paper);
  font-size:12.5px;
  line-height:1.6;
  text-align:left;
  box-shadow:0 14px 30px rgba(6,23,38,.24);
  opacity:0;
  visibility:hidden;
  transform:translateX(-50%) translateY(6px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
  pointer-events:none;
}
.page-about .stage:first-child .dot-wrap:first-child .dot-note{
  left:-8px;
  transform:translateX(0) translateY(6px);
}
.page-about .stage:last-child .dot-wrap:last-child .dot-note{
  left:auto;right:-8px;
  transform:translateX(0) translateY(6px);
}
.page-about .dot-wrap:hover .dot-note,
.page-about .dot-wrap:focus-within .dot-note{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.page-about .stage:first-child .dot-wrap:first-child:hover .dot-note,
.page-about .stage:first-child .dot-wrap:first-child:focus-within .dot-note,
.page-about .stage:last-child .dot-wrap:last-child:hover .dot-note,
.page-about .stage:last-child .dot-wrap:last-child:focus-within .dot-note{
  transform:translateX(0) translateY(0);
}

.page-about .stage-meta{margin-top:clamp(20px,3vw,30px);}
.page-about .stage-no{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--teal);
}
.page-about .stage-meta h3{
  margin:8px 0 6px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(17px,1.8vw,20px);
  color:var(--ink-900);
}
.page-about .stage-meta p{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:#5a6670;
}

.page-about .route-figure{
  width:100%;
  max-width:var(--shell-max);
  margin:clamp(36px,6vw,72px) auto 0;
  padding-inline:var(--gutter);
}
.page-about .route-figure img{
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--radius-organic);
}

/* ---------- changes ---------- */
.page-about .about-changes{background:#EFF4F6;}
.page-about .change-list{
  display:grid;
  gap:clamp(16px,2.4vw,22px);
}
.page-about .change{
  padding:clamp(20px,3vw,34px);
  background:#fff;
  border:1px solid var(--mist);
  border-radius:var(--radius-lg);
}
.page-about .change-no{
  display:block;
  margin:0 0 10px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--teal);
}
.page-about .change h3{
  margin:0 0 18px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(17px,2vw,22px);
  line-height:1.4;
  color:var(--ink-900);
}
.page-about .change-cols{
  display:grid;
  grid-template-columns:1fr 1fr;
  border-top:1px solid var(--mist);
}
.page-about .col{padding-top:16px;}
.page-about .col--before{padding-right:clamp(18px,2.6vw,30px);}
.page-about .col--after{
  padding-left:clamp(18px,2.6vw,30px);
  border-left:1px solid var(--mist);
}
.page-about .col-tag{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mute);
}
.page-about .col--after .col-tag{color:var(--teal);}
.page-about .col p:last-child{
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:var(--about-note);
}

/* ---------- team ---------- */
.page-about .about-team{
  position:relative;
  background:var(--ink-900);
  color:var(--paper);
  overflow:hidden;
}
.page-about .about-team::before{
  content:"";
  position:absolute;
  left:-10%;bottom:-32%;
  width:min(62vw,660px);
  aspect-ratio:1;
  background:radial-gradient(circle,rgba(35,224,208,.14),transparent 66%);
  pointer-events:none;
}
.page-about .team-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,5vw,64px);
  align-items:center;
}
.page-about .team-copy h2{color:var(--paper);}
.page-about .team-copy p{
  margin:0 0 14px;
  max-width:42ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:rgba(247,249,250,.76);
}
.page-about .team-copy p:last-child{margin-bottom:0;}
.page-about .team-figure{margin:0;}
.page-about .team-figure img{
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--radius-lg);
}

.page-about .roles{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.6vw,32px);
  margin:clamp(34px,5vw,58px) 0 0;
  padding:clamp(24px,4vw,42px) 0 0;
  list-style:none;
  border-top:1px solid rgba(214,227,232,.14);
}
.page-about .role-num{
  margin:0 0 12px;
  font-size:clamp(30px,3.6vw,46px);
  font-weight:700;
  line-height:1;
  color:var(--cyan);
}
.page-about .role-num--amber{color:var(--amber);}
.page-about .role-num--mist{color:var(--mist);}
.page-about .role h3{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:17px;
  font-weight:700;
  color:var(--paper);
}
.page-about .role p:last-child{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:rgba(247,249,250,.68);
}

/* ---------- reach ---------- */
.page-about .reach-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:clamp(28px,5vw,64px);
  align-items:center;
}
.page-about .reach-copy p{
  margin:0 0 14px;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:var(--about-note);
  max-width:42ch;
}
.page-about .reach-copy a{
  color:var(--teal);
  text-decoration:none;
  border-bottom:1px solid rgba(14,142,134,.35);
  transition:border-color .2s var(--ease);
}
.page-about .reach-copy a:hover,.page-about .reach-copy a:focus-visible{border-bottom-color:var(--teal);}

.page-about .reach-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin:clamp(24px,4vw,36px) 0 0;
  padding-top:clamp(20px,3vw,28px);
  border-top:1px solid var(--mist);
}
.page-about .reach-stats dt{
  margin:0 0 8px;
  font-size:12px;
  letter-spacing:.06em;
  color:#6b7883;
}
.page-about .reach-stats dd{
  margin:0;
  font-family:var(--font-mono);
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1;
  color:var(--ink-900);
}
.page-about .reach-stats small{
  margin-left:2px;
  font-size:.46em;
  color:#6b7883;
}
.page-about .reach-figure{margin:0;}
.page-about .reach-figure img{
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--radius-md);
}

/* ---------- plan ---------- */
.page-about .about-plan{background:#EFF4F6;}
.page-about .plan-grid{
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:clamp(28px,5vw,56px);
  align-items:start;
}
.page-about .plan-copy p{
  margin:0 0 14px;
  max-width:38ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:var(--about-note);
}
.page-about .plan-nodes{
  display:grid;
  gap:10px;
}
.page-about .node{
  background:#fff;
  border:1px solid var(--mist);
  border-radius:var(--radius-md);
  padding:0 clamp(16px,2.2vw,24px);
  transition:border-color .2s var(--ease);
}
.page-about .node[open]{border-color:var(--teal);}
.page-about .node summary{
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 0;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-display);
  font-weight:700;
  font-size:16px;
  color:var(--ink-900);
}
.page-about .node summary::-webkit-details-marker{display:none;}
.page-about .node summary .mono{
  font-size:12px;
  letter-spacing:.1em;
  color:var(--teal);
}
.page-about .node summary::after{
  content:"+";
  margin-left:auto;
  font-size:18px;
  line-height:1;
  color:var(--teal);
}
.page-about .node[open] summary::after{content:"–";}
.page-about .node p{
  margin:0 0 18px;
  font-size:14px;
  line-height:1.75;
  color:var(--about-note);
}

/* ---------- next ---------- */
.page-about .about-next h2{margin-bottom:clamp(24px,4vw,38px);}
.page-about .next-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,24px);
}
.page-about .next-card{
  display:flex;
  flex-direction:column;
  padding:clamp(22px,3vw,32px);
  border-radius:var(--radius-lg);
  background:var(--ink-900);
  color:var(--paper);
  text-decoration:none;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.page-about .next-card:nth-child(2){
  background:#fff;
  color:var(--ink-900);
  border:1px solid var(--mist);
}
.page-about .next-card:hover,
.page-about .next-card:focus-visible{transform:translateY(-4px);}
.page-about .next-card:nth-child(1):hover,
.page-about .next-card:nth-child(1):focus-visible,
.page-about .next-card:nth-child(3):hover,
.page-about .next-card:nth-child(3):focus-visible{background:var(--ink-700);}
.page-about .next-card:nth-child(2):hover,
.page-about .next-card:nth-child(2):focus-visible{border-color:var(--teal);}
.page-about .next-no{
  display:block;
  margin-bottom:18px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.page-about .next-card:nth-child(2) .next-no{color:var(--teal);}
.page-about .next-card h3{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(18px,2vw,21px);
  color:inherit;
}
.page-about .next-card p{
  margin:0 0 22px;
  font-size:14px;
  line-height:1.75;
  color:rgba(247,249,250,.72);
}
.page-about .next-card:nth-child(2) p{color:var(--about-note);}
.page-about .next-go{
  margin-top:auto;
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--cyan);
}
.page-about .next-card:nth-child(2) .next-go{color:var(--teal);}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .page-about .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .page-about .hero-index{
    border-left:0;
    padding-left:0;
    border-top:1px solid rgba(214,227,232,.18);
    padding-top:8px;
  }
  .page-about .team-grid{grid-template-columns:minmax(0,1fr);}
  .page-about .team-figure{max-width:440px;}
  .page-about .reach-grid{grid-template-columns:minmax(0,1fr);}
  .page-about .plan-grid{grid-template-columns:minmax(0,1fr);}
  .page-about .roles{grid-template-columns:minmax(0,1fr);gap:24px;}
  .page-about .next-grid{grid-template-columns:minmax(0,1fr);}
}

@media (max-width:720px){
  .page-about .rail{
    grid-template-columns:minmax(0,1fr);
    gap:30px;
    padding-top:0;
  }
  .page-about .rail::before{display:none;}
  .page-about .dots{
    flex-direction:column;
    align-items:stretch;
    gap:12px;
  }
  .page-about .dot-wrap{
    justify-content:flex-start;
    align-items:flex-start;
    gap:12px;
  }
  .page-about .dot{flex:none;margin-top:5px;}
  .page-about .dot-note{
    position:static;
    width:auto;
    flex:1;
    padding:0;
    background:transparent;
    color:var(--about-note);
    font-size:13.5px;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    transform:none;
    pointer-events:auto;
  }
  .page-about .stage:first-child .dot-wrap:first-child .dot-note,
  .page-about .stage:last-child .dot-wrap:last-child .dot-note{left:auto;right:auto;transform:none;}
  .page-about .stage-meta{
    order:-1;
    margin:0 0 16px;
    padding-left:12px;
    border-left:2px solid var(--cyan);
  }
  .page-about .change-cols{grid-template-columns:minmax(0,1fr);}
  .page-about .col--before{padding-right:0;}
  .page-about .col--after{
    padding-left:0;
    border-left:0;
    border-top:1px solid var(--mist);
    margin-top:16px;
  }
  .page-about .reach-stats{grid-template-columns:minmax(0,1fr);gap:18px;}
  .page-about .route-figure img{border-radius:var(--radius-md);}
}
<<<END>>>