/* Órbitas: ramas troncales del ENARM alrededor de Axora; al bajar se aplanan en el sendero */
.orbitas{position:relative;height:240vh;padding:0;--tl:0}
.orb-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;
  background:radial-gradient(70% 60% at 66% 56%,rgba(40,125,139,.14),transparent 70%),var(--bg)}
.orb-cv{position:absolute;inset:0;width:100%;height:100%;display:block}
.orb-core{position:absolute;left:0;top:0;width:120px;height:auto;opacity:0;pointer-events:none;will-change:transform,width;
  filter:drop-shadow(0 10px 30px rgba(120,213,220,.28))}
.orb-head{position:relative;z-index:2;padding-top:calc(var(--header) + clamp(24px,7vh,72px));display:grid;pointer-events:none}
.orb-head>div{grid-area:1/1;max-width:min(44%,560px)}
.orb-head .h2{font-family:var(--display);font-weight:700;font-size:var(--h2);line-height:1.04;letter-spacing:-.045em;margin:0;text-wrap:balance}
.orb-a{opacity:clamp(0,calc(1 - var(--tl) * 2.5),1)}
.orb-b{opacity:clamp(0,calc(var(--tl) * 2.5 - 1.5),1)}
.orbitas:not(.orb-on) .orb-b{display:none}
.orbitas:not(.orb-on) .orb-a{opacity:1}
@media (max-width:699px){
  .orbitas{height:220vh}
  .orb-head>div{max-width:none}
  .orb-head .lead{font-size:16px;margin-top:14px}
}