.page-about{
  --about-line:rgba(201,217,227,.18);
  --about-line-ink:rgba(16,59,92,.14);
  --about-gap:clamp(20px,4vw,44px);
  background:var(--deep-sea);
  color:var(--text-on-dark);
}
.page-about .about-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(20px,4vw,36px) 0 clamp(36px,6vw,72px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(255,107,74,.22), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(57,245,208,.13), transparent 66%),
    linear-gradient(160deg, var(--night-blue), var(--deep-sea) 72%);
}
.page-about .about-kicker{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--coral);
}
.page-about .about-kicker::before{
  content:"";
  width:22px;
  height:2px;
  background:currentColor;
  flex:none;
}
.page-about .about-hero-grid{
  display:grid;
  gap:var(--about-gap);
  align-items:end;
}
.page-about .about-hero-title{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.9rem,6.4vw,3.5rem);
  line-height:1.08;
  letter-spacing:.01em;
  color:var(--paper);
}
.page-about .about-lead{
  margin:18px 0 0;
  max-width:38em;
  font-size:clamp(.98rem,1.6vw,1.08rem);
  line-height:1.75;
  color:var(--text-on-dark);
}
.page-about .hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:16px 30px;
  margin:26px 0 0;
  padding:20px 0 0;
  list-style:none;
  border-top:1px solid var(--about-line);
}
.page-about .hero-stats strong{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(1.55rem,4vw,2.15rem);
  line-height:1;
  color:var(--aqua);
}
.page-about .hero-stats span{
  display:block;
  margin-top:8px;
  font-size:.74rem;
  letter-spacing:.14em;
  color:var(--text-dim);
}
.page-about .about-hero-figure{
  position:relative;
  margin:0;
  clip-path:polygon(0 6%, 100% 0, 100% 100%, 0 94%);
  border-radius:var(--radius-m);
  background:var(--ink);
}
.page-about .about-hero-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  filter:saturate(.92) contrast(1.06);
}
.page-about .about-hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(150deg, rgba(255,107,74,.3), rgba(6,26,43,.5) 58%, rgba(57,245,208,.24));
  mix-blend-mode:screen;
  pointer-events:none;
}
.page-about .about-hero-figure figcaption{
  position:absolute;
  left:14px;
  bottom:14px;
  z-index:2;
  padding:6px 10px;
  border-radius:999px;
  background:rgba(6,26,43,.66);
  color:var(--salt);
  font-size:.68rem;
  letter-spacing:.12em;
}
.page-about .about-index{
  padding:0 0 clamp(10px,3vw,20px);
  background:var(--deep-sea);
  border-bottom:1px solid var(--about-line);
}
.page-about .about-index ol{
  display:flex;
  gap:10px;
  margin:0;
  padding:0 0 12px;
  list-style:none;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.page-about .about-index a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 15px;
  border:1px solid var(--about-line);
  border-radius:999px;
  color:var(--text-on-dark);
  text-decoration:none;
  font-size:.84rem;
  white-space:nowrap;
  transition:border-color .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease);
}
.page-about .about-index a .mono{
  font-family:var(--font-mono);
  font-size:.7rem;
  color:var(--aqua);
}
.page-about .about-index a:hover,
.page-about .about-index a:focus-visible{
  border-color:var(--coral);
  background:rgba(255,107,74,.14);
  color:#fff;
}
.page-about .about-section{
  padding:clamp(44px,7vw,88px) 0;
}
.page-about .surface-night{
  background:linear-gradient(180deg, var(--night-blue), var(--deep-sea));
  color:var(--text-on-dark);
}
.page-about .surface-paper{
  background:var(--paper);
  color:var(--deep-sea);
}
.page-about .about-h2{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.5rem,4.4vw,2.55rem);
  line-height:1.18;
  letter-spacing:.01em;
}
.page-about .about-body{
  margin:14px 0 0;
  max-width:40em;
  font-size:1rem;
  line-height:1.8;
  color:inherit;
  opacity:.92;
}
.page-about .surface-paper .about-kicker{
  color:var(--bay-blue);
}
.page-about .about-head{
  margin-bottom:clamp(24px,4vw,40px);
}
.page-about .origin-grid{
  display:grid;
  gap:var(--about-gap);
}
.page-about .origin-note{
  padding:22px 20px;
  border:1px solid var(--about-line);
  border-radius:var(--radius-l);
  background:rgba(16,59,92,.5);
  transform:rotate(-2deg);
}
.page-about .origin-note-num{
  margin:0;
  font-family:var(--font-mono);
  font-size:clamp(2.2rem,7vw,3.2rem);
  line-height:1;
  color:var(--coral);
}
.page-about .origin-note-text{
  margin:14px 0 0;
  font-size:.92rem;
  line-height:1.75;
  color:var(--text-on-dark);
}
.page-about .timeline-list{
  position:relative;
  margin:0;
  padding:0;
  list-style:none;
}
.page-about .timeline-list::before{
  content:"";
  position:absolute;
  left:7px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg, var(--coral), rgba(16,59,92,.26));
}
.page-about .tl-item{
  position:relative;
  padding:0 0 clamp(20px,3vw,30px) 34px;
  transition:transform .3s var(--ease);
}
.page-about .tl-item::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 5px var(--paper);
}
.page-about .tl-item:last-child{
  padding-bottom:0;
}
.page-about .tl-mark{
  display:flex;
  align-items:baseline;
  gap:12px;
  flex-wrap:wrap;
}
.page-about .tl-year{
  font-family:var(--font-mono);
  font-size:clamp(1.7rem,6vw,2.6rem);
  line-height:1;
  color:var(--bay-blue);
  letter-spacing:-.01em;
}
.page-about .tl-tag{
  padding:3px 10px;
  border-radius:999px;
  background:rgba(16,59,92,.1);
  color:var(--bay-blue);
  font-size:.7rem;
  letter-spacing:.14em;
}
.page-about .tl-body{
  margin-top:8px;
  padding:16px 18px;
  border:1px solid var(--about-line-ink);
  border-radius:var(--radius-m);
  background:#FAF7F0;
  transition:border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.page-about .tl-body h3{
  margin:0 0 8px;
  font-size:1.06rem;
  line-height:1.4;
  font-family:var(--font-display);
  color:var(--deep-sea);
}
.page-about .tl-body p{
  margin:0;
  font-size:.94rem;
  line-height:1.78;
  color:var(--bay-blue);
}
.page-about .tl-item:hover .tl-body,
.page-about .tl-item:focus-within .tl-body{
  border-color:var(--coral);
  box-shadow:0 10px 26px rgba(6,26,43,.1);
}
.page-about .rhythm-list{
  display:grid;
  gap:14px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-about .rhythm-item{
  position:relative;
  padding:20px 18px 22px;
  border:1px solid var(--about-line);
  border-radius:var(--radius-m);
  background:rgba(6,26,43,.5);
}
.page-about .rhythm-num{
  display:inline-block;
  margin-bottom:10px;
  padding:2px 9px;
  border-radius:999px;
  background:rgba(57,245,208,.14);
  color:var(--aqua);
  font-size:.72rem;
  letter-spacing:.16em;
}
.page-about .rhythm-item h3{
  margin:0 0 8px;
  font-size:1.02rem;
  line-height:1.45;
  color:var(--paper);
}
.page-about .rhythm-item p{
  margin:0;
  font-size:.92rem;
  line-height:1.78;
  color:var(--text-dim);
}
.page-about .team-grid-wrap{
  display:grid;
  gap:var(--about-gap);
}
.page-about .team-figure{
  margin:24px 0 0;
  overflow:hidden;
  border-radius:var(--radius-m);
  background:var(--night-blue);
}
.page-about .team-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  filter:saturate(.9) contrast(1.05);
}
.page-about .team-figure figcaption{
  padding:10px 14px;
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--salt);
  background:var(--night-blue);
}
.page-about .team-cards{
  display:grid;
  gap:12px;
  align-content:start;
}
.page-about .team-card{
  border:1px solid var(--about-line-ink);
  border-radius:var(--radius-m);
  background:#FAF7F0;
  overflow:hidden;
}
.page-about .team-card summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:15px 18px;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-display);
  font-size:1.02rem;
  color:var(--deep-sea);
}
.page-about .team-card summary::-webkit-details-marker{
  display:none;
}
.page-about .team-card summary::after{
  content:"+";
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:1.1rem;
  color:var(--coral);
}
.page-about .team-card[open] summary::after{
  content:"–";
}
.page-about .team-card summary:focus-visible{
  outline:2px solid var(--coral);
  outline-offset:-2px;
}
.page-about .team-num{
  font-family:var(--font-mono);
  font-size:.78rem;
  color:var(--bay-blue);
}
.page-about .team-card p{
  margin:0;
  padding:0 18px 18px;
  font-size:.92rem;
  line-height:1.78;
  color:var(--bay-blue);
  border-top:1px solid var(--about-line-ink);
  padding-top:14px;
}
.page-about .milestone-layout{
  display:grid;
  gap:var(--about-gap);
  align-items:start;
}
.page-about .mile-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(140px, 1fr));
  gap:12px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-about .mile-card{
  padding:16px 16px 18px;
  border:1px solid var(--about-line);
  border-radius:var(--radius-m);
  background:rgba(16,59,92,.42);
  transition:border-color .3s var(--ease), background-color .3s var(--ease);
}
.page-about .mile-card:hover{
  border-color:var(--aqua);
  background:rgba(16,59,92,.66);
}
.page-about .mile-num{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(1.6rem,4.4vw,2.1rem);
  line-height:1.05;
  color:var(--signal);
}
.page-about .mile-num small{
  font-size:.44em;
  margin-left:3px;
  color:var(--text-dim);
}
.page-about .mile-card span{
  display:block;
  margin-top:8px;
  font-size:.82rem;
  line-height:1.5;
  color:var(--text-on-dark);
}
.page-about .mile-figure{
  margin:0;
  overflow:hidden;
  border-radius:var(--radius-l);
  clip-path:polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}
.page-about .mile-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  filter:saturate(.95) contrast(1.05);
}
.page-about .mile-figure figcaption{
  padding:10px 14px;
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--salt);
  background:var(--ink);
}
.page-about .promise-list{
  display:grid;
  gap:14px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-about .promise-list li{
  position:relative;
  padding:18px 18px 18px 22px;
  border-left:3px solid var(--coral);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  background:#FAF7F0;
}
.page-about .promise-list h3{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:1.02rem;
  line-height:1.4;
  color:var(--deep-sea);
}
.page-about .promise-list p{
  margin:0;
  font-size:.94rem;
  line-height:1.78;
  color:var(--bay-blue);
}
.page-about .promise-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 22px;
  margin-top:clamp(22px,4vw,34px);
  padding-top:clamp(20px,3vw,28px);
  border-top:1px solid var(--about-line-ink);
}
.page-about .promise-link{
  color:var(--bay-blue);
  font-size:.92rem;
  text-decoration:none;
  border-bottom:1px solid rgba(16,59,92,.34);
  padding-bottom:2px;
  transition:color .25s var(--ease), border-color .25s var(--ease);
}
.page-about .promise-link:hover,
.page-about .promise-link:focus-visible{
  color:var(--coral);
  border-color:var(--coral);
}

@media (min-width:720px){
  .page-about .rhythm-list{
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .page-about .promise-list{
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .page-about .team-cards{
    grid-template-columns:1fr;
  }
}

@media (min-width:900px){
  .page-about .about-hero-grid{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    gap:clamp(28px,4vw,60px);
  }
  .page-about .origin-grid{
    grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);
    align-items:start;
    gap:clamp(28px,4vw,56px);
  }
  .page-about .timeline-list::before{
    left:calc(180px + 7px);
  }
  .page-about .tl-item{
    display:grid;
    grid-template-columns:180px minmax(0,1fr);
    gap:26px;
    padding-left:0;
  }
  .page-about .tl-item::before{
    left:180px;
    top:6px;
  }
  .page-about .tl-mark{
    flex-direction:column;
    align-items:flex-start;
    gap:8px;
    padding-top:4px;
    text-align:right;
    padding-right:22px;
  }
  .page-about .tl-body{
    margin-top:0;
  }
  .page-about .team-grid-wrap{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    align-items:start;
    gap:clamp(28px,4vw,56px);
  }
  .page-about .milestone-layout{
    grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
    gap:clamp(28px,4vw,56px);
  }
  .page-about .mile-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}

@media (min-width:1080px){
  .page-about .rhythm-list{
    grid-template-columns:repeat(4, minmax(0,1fr));
  }
  .page-about .promise-list{
    grid-template-columns:repeat(2, minmax(0,1fr));
    gap:18px;
  }
  .page-about .mile-grid{
    grid-template-columns:repeat(3, minmax(0,1fr));
  }
}

@media (prefers-reduced-motion:reduce){
  .page-about .origin-note{
    transform:none;
  }
  .page-about .tl-item,
  .page-about .tl-body,
  .page-about .mile-card,
  .page-about .promise-link,
  .page-about .about-index a{
    transition:none;
  }
}
<<<END>>>