.page-about .ab-crumb-wrap{padding-top:clamp(10px,1.6vw,20px)}

.page-about .ab-masthead{
  padding-top:clamp(18px,3vw,36px);
  padding-bottom:clamp(28px,4vw,56px);
  border-bottom:1px solid var(--hair);
}

.page-about .ab-kicker{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--cyan);
}

.page-about .ab-title{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(28px,5.2vw,56px);
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--text);
  max-width:15em;
}

.page-about .ab-title::after{
  content:"";
  display:block;
  width:72px;
  height:2px;
  margin-top:clamp(16px,2.4vw,26px);
  background:linear-gradient(90deg,var(--cyan),rgba(63,224,208,0));
}

.page-about .ab-lead{
  margin:clamp(16px,2.4vw,24px) 0 0;
  max-width:34em;
  font-size:clamp(15px,1.7vw,17px);
  line-height:1.95;
  color:var(--muted);
}

.page-about .ab-facts{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  margin:clamp(24px,3.4vw,40px) 0 0;
  background:var(--hair);
  border:1px solid var(--hair);
}

.page-about .ab-fact{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:14px 16px;
  background:var(--ink);
}

.page-about .ab-fact dt{
  font-size:11px;
  letter-spacing:.09em;
  color:var(--muted);
}

.page-about .ab-fact dd{
  margin:0;
  font-family:var(--font-mono);
  font-size:clamp(19px,2.6vw,27px);
  line-height:1.2;
  color:var(--amber);
}

.page-about .ab-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,3vw,44px);
  padding-top:clamp(26px,3.6vw,52px);
  padding-bottom:clamp(36px,5vw,72px);
}

.page-about .ab-rail{
  min-width:0;
  border-top:1px solid var(--hair);
  padding-top:12px;
}

.page-about .ab-rail-head{
  margin:0 0 10px;
  font-family:var(--font-cond);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
}

.page-about .ab-rail-list{
  display:flex;
  gap:8px;
  margin:0;
  padding:0 0 4px;
  list-style:none;
  overflow-x:auto;
}

.page-about .ab-rail-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  white-space:nowrap;
  font-size:13px;
  line-height:1.4;
  color:var(--muted);
  text-decoration:none;
  border:1px solid var(--hair);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}

.page-about .ab-rail-dot{
  flex:none;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--hair);
  transition:background .18s var(--ease),box-shadow .18s var(--ease);
}

.page-about .ab-rail-link:hover,
.page-about .ab-rail-link:focus-visible{
  color:var(--cyan-soft);
  border-color:var(--cyan);
  outline:none;
}

.page-about .ab-rail-link[aria-current="true"]{
  color:var(--cyan);
  border-color:var(--cyan);
}

.page-about .ab-rail-link[aria-current="true"] .ab-rail-dot{
  background:var(--amber);
  box-shadow:0 0 0 3px rgba(244,178,63,.16);
}

.page-about .ab-section{
  padding-top:clamp(30px,4.4vw,60px);
  margin-top:clamp(30px,4.4vw,60px);
  border-top:1px solid var(--hair);
  scroll-margin-top:calc(var(--header-h) + 24px);
}

.page-about .ab-section:first-child{
  padding-top:0;
  margin-top:0;
  border-top:0;
}

.page-about .ab-h2{
  margin:8px 0 0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(21px,3vw,33px);
  line-height:1.32;
  letter-spacing:-.005em;
  color:var(--text);
}

.page-about .ab-sub{
  margin:10px 0 0;
  max-width:36em;
  font-size:15px;
  line-height:1.88;
  color:var(--muted);
}

.page-about .ab-link{
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(63,224,208,.35);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}

.page-about .ab-link:hover,
.page-about .ab-link:focus-visible{
  color:var(--cyan-soft);
  border-color:var(--cyan-soft);
}

.page-about .ab-rows{
  display:grid;
  gap:1px;
  margin-top:clamp(20px,3vw,32px);
  background:var(--hair);
  border:1px solid var(--hair);
}

.page-about .ab-row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
  padding:clamp(16px,2.4vw,26px);
  background:var(--ink);
  transition:background .2s var(--ease);
}

.page-about .ab-row:hover{
  background:var(--panel);
}

.page-about .ab-row-no{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--amber);
  padding-top:2px;
}

.page-about .ab-row-body{min-width:0}

.page-about .ab-row-title{
  margin:0 0 8px;
  font-family:var(--font-cond);
  font-size:clamp(15px,1.8vw,17px);
  font-weight:500;
  letter-spacing:.02em;
  line-height:1.5;
  color:var(--text);
}

.page-about .ab-row p{
  margin:0;
  max-width:40em;
  font-size:15px;
  line-height:1.88;
  color:var(--muted);
}

.page-about .ab-figure{
  margin:clamp(20px,3vw,32px) 0 0;
  border:1px solid var(--hair);
  background:var(--panel);
  overflow:hidden;
}

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

.page-about .ab-figure .figure-caption{
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--muted);
  border-top:1px solid var(--hair);
}

.page-about .ab-stack{
  display:grid;
  gap:10px;
  margin-top:clamp(22px,3vw,34px);
}

.page-about .ab-sheet{
  background:var(--panel);
  border:1px solid var(--hair);
  box-shadow:inset 0 1px 0 rgba(243,239,228,.06),var(--shadow-panel);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}

.page-about .ab-sheet:nth-child(odd){transform:rotate(-.22deg)}
.page-about .ab-sheet:nth-child(even){transform:rotate(.24deg)}

.page-about .ab-sheet:hover{border-color:var(--cyan)}

.page-about .ab-sheet[open]{
  transform:none;
  border-color:var(--hair);
  box-shadow:inset 3px 0 0 var(--cyan),var(--shadow-panel);
}

.page-about .ab-sheet-sum{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:12px;
  padding:14px clamp(14px,2vw,22px);
  cursor:pointer;
  list-style:none;
}

.page-about .ab-sheet-sum::-webkit-details-marker{display:none}

.page-about .ab-sheet-sum:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

.page-about .ab-sheet-tag{
  padding:2px 7px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--ink);
  background:var(--paper);
}

.page-about .ab-sheet-tag--amber{
  background:var(--amber);
}

.page-about .ab-sheet-name{
  font-family:var(--font-cond);
  font-size:clamp(15px,1.9vw,18px);
  font-weight:500;
  letter-spacing:.03em;
  line-height:1.45;
  color:var(--text);
}

.page-about .ab-sheet-hint{
  position:relative;
  flex:none;
  width:12px;
  height:12px;
}

.page-about .ab-sheet-hint::before,
.page-about .ab-sheet-hint::after{
  content:"";
  position:absolute;
  background:var(--muted);
  transition:transform .2s var(--ease),background .2s var(--ease);
}

.page-about .ab-sheet-hint::before{left:0;top:5px;width:12px;height:1px}
.page-about .ab-sheet-hint::after{left:5px;top:0;width:1px;height:12px}

.page-about .ab-sheet[open] .ab-sheet-hint::after{transform:scaleY(0)}
.page-about .ab-sheet[open] .ab-sheet-hint::before{background:var(--cyan)}

.page-about .ab-sheet-body{
  padding:0 clamp(14px,2vw,22px) clamp(16px,2.4vw,22px);
  border-top:1px solid var(--hair);
}

.page-about .ab-sheet-body p{
  margin:14px 0 0;
  max-width:40em;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
}

.page-about .ab-fineprint{
  margin:16px 0 0;
  padding-top:12px;
  border-top:1px solid var(--hair);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  line-height:1.7;
  color:var(--muted);
}

.page-about .ab-bars{
  display:grid;
  gap:clamp(14px,2vw,22px);
  margin:clamp(20px,3vw,32px) 0 0;
  padding:0;
  list-style:none;
}

.page-about .ab-bar-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
}

.page-about .ab-bar-name{
  font-family:var(--font-cond);
  font-size:15px;
  letter-spacing:.04em;
  color:var(--text);
  transition:color .18s var(--ease);
}

.page-about .ab-bar-num{
  font-family:var(--font-mono);
  font-size:14px;
  color:var(--amber);
}

.page-about .ab-bar-track{
  position:relative;
  height:8px;
  margin-top:8px;
  background:rgba(34,52,79,.55);
  overflow:hidden;
}

.page-about .ab-bar-fill{
  display:block;
  height:100%;
  width:var(--ab-w,0%);
  background:linear-gradient(90deg,rgba(63,224,208,.55),var(--cyan));
  transition:width .45s var(--ease);
}

.page-about .ab-w9{--ab-w:32%}
.page-about .ab-w8{--ab-w:29%}
.page-about .ab-w6{--ab-w:21%}
.page-about .ab-w5{--ab-w:18%}

.page-about .ab-bar-note{
  margin:8px 0 0;
  max-width:38em;
  font-size:13.5px;
  line-height:1.78;
  color:var(--muted);
  transition:color .18s var(--ease);
}

.page-about .ab-bar-item:hover .ab-bar-name,
.page-about .ab-bar-item:focus-within .ab-bar-name{
  color:var(--cyan-soft);
}

.page-about .ab-bar-item:hover .ab-bar-note,
.page-about .ab-bar-item:focus-within .ab-bar-note{
  color:var(--text);
}

.page-about .ab-data-grid{
  display:grid;
  gap:clamp(20px,3vw,32px);
  margin-top:clamp(20px,3vw,32px);
}

.page-about .ab-data-grid .ab-figure{margin-top:0}

.page-about .ab-steps{
  display:grid;
  gap:1px;
  margin:0;
  padding:0;
  list-style:none;
  background:var(--hair);
  border:1px solid var(--hair);
}

.page-about .ab-step{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:12px;
  padding:14px 16px;
  background:var(--ink);
  transition:background .2s var(--ease);
}

.page-about .ab-step:hover{background:var(--panel)}

.page-about .ab-step-no{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--cyan);
  padding-top:3px;
}

.page-about .ab-step h3{
  margin:0 0 5px;
  font-family:var(--font-cond);
  font-size:15px;
  font-weight:500;
  letter-spacing:.03em;
  color:var(--text);
}

.page-about .ab-step p{
  margin:0;
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}

.page-about .ab-service{
  display:grid;
  gap:clamp(18px,3vw,28px);
  margin-top:clamp(20px,3vw,32px);
}

.page-about .ab-service-lead{
  margin:0 0 18px;
  max-width:36em;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
}

.page-about .ab-service-list{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}

.page-about .ab-service-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding-bottom:10px;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  border-bottom:1px solid var(--hair);
}

.page-about .ab-status{
  flex:none;
  width:8px;
  height:8px;
  margin-top:7px;
  border-radius:50%;
  background:var(--ok);
}

.page-about .ab-status--idle{background:var(--muted)}

.page-about .ab-metrics{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--hair);
  border:1px solid var(--hair);
}

.page-about .ab-metric{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:clamp(16px,2.4vw,24px);
  background:var(--panel);
}

.page-about .ab-metric-num{
  font-family:var(--font-mono);
  font-size:clamp(24px,3.6vw,36px);
  line-height:1.15;
  color:var(--amber);
}

.page-about .ab-metric-key{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}

.page-about .ab-entity{
  display:grid;
  gap:clamp(20px,3vw,32px);
  margin-top:clamp(20px,3vw,32px);
}

.page-about .ab-entity-list{
  display:grid;
  gap:1px;
  margin:0;
  background:var(--hair);
  border:1px solid var(--hair);
}

.page-about .ab-entity-row{
  display:grid;
  gap:6px;
  padding:12px 16px;
  background:var(--ink);
}

.page-about .ab-entity-row dt{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}

.page-about .ab-entity-row dd{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--text);
  overflow-wrap:anywhere;
}

.page-about .ab-copy{
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--muted);
  background:none;
  border:1px solid var(--hair);
  cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}

.page-about .ab-copy:hover,
.page-about .ab-copy:focus-visible{
  color:var(--cyan);
  border-color:var(--cyan);
  outline:none;
}

.page-about .ab-copy.is-copied{
  color:var(--ok);
  border-color:var(--ok);
}

.page-about .ab-entity-note{
  margin:16px 0 0;
  max-width:38em;
  font-size:13.5px;
  line-height:1.8;
  color:var(--muted);
}

.page-about .ab-figure--ridge{margin-top:0}

@media (min-width:600px){
  .page-about .ab-facts{grid-template-columns:repeat(4,minmax(0,1fr))}
  .page-about .ab-row{grid-template-columns:64px minmax(0,1fr);gap:24px}
  .page-about .ab-entity-row{grid-template-columns:112px minmax(0,1fr);align-items:center;gap:16px}
}

@media (min-width:900px){
  .page-about .ab-data-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
  .page-about .ab-service{grid-template-columns:1.05fr .95fr;align-items:start}
  .page-about .ab-entity{grid-template-columns:1.15fr .85fr;align-items:start}
}

@media (min-width:1024px){
  .page-about .ab-layout{
    grid-template-columns:minmax(0,1fr) 212px;
    align-items:start;
  }
  .page-about .ab-body{grid-column:1;grid-row:1;min-width:0}
  .page-about .ab-rail{
    grid-column:2;
    grid-row:1;
    position:sticky;
    top:calc(var(--header-h) + 24px);
    border-top:0;
    border-left:1px solid var(--hair);
    padding:0 0 0 18px;
  }
  .page-about .ab-rail-list{
    flex-direction:column;
    gap:0;
    overflow:visible;
    padding-bottom:0;
  }
  .page-about .ab-rail-link{
    padding:9px 0;
    border:0;
    white-space:normal;
    line-height:1.45;
  }
  .page-about .ab-rail-link[aria-current="true"]{border-color:transparent}
}

@media (prefers-reduced-motion:reduce){
  .page-about .ab-sheet,
  .page-about .ab-sheet:nth-child(odd),
  .page-about .ab-sheet:nth-child(even),
  .page-about .ab-bar-fill,
  .page-about .ab-rail-dot,
  .page-about .ab-row,
  .page-about .ab-step{
    transition:none;
    transform:none;
  }
}
</main>