/* Marcador de scroll de toda la home · film glass del hub. */
.ssg-scroll{
  --ssg-scroll-size: 72px;
  position:fixed;
  left:50%;
  bottom:max(22px, env(safe-area-inset-bottom, 0px) + 18px);
  transform:translateX(-50%);
  z-index:40;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  margin:0;
  padding:0;
  border:0;
  background:transparent;
  color:var(--charcoal,#f2f3f4);
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
  transition:opacity .45s ease, visibility .45s ease;
}
.ssg-scroll.is-hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}
.ssg-scroll:focus-visible{
  outline:2px solid var(--orange,#FF6600);
  outline-offset:6px;
  border-radius:999px;
}

.ssg-scroll__ring{
  position:relative;
  width:var(--ssg-scroll-size);
  height:var(--ssg-scroll-size);
  display:grid;
  place-items:center;
}
.ssg-scroll__ring::before{
  content:"";
  position:absolute;inset:0;
  border-radius:50%;
  background:rgba(6,8,10,.42);
  border:1px solid var(--line,rgba(255,255,255,.1));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 10px 28px rgba(0,0,0,.35);
  transition:border-color .3s ease, background .3s ease;
}
.ssg-scroll:hover .ssg-scroll__ring::before{
  border-color:rgba(255,102,0,.4);
  background:rgba(6,8,10,.55);
}
[data-theme="light"] .ssg-scroll__ring::before{
  background:rgba(255,255,255,.72);
  border-color:rgba(26,27,29,.12);
  box-shadow:0 10px 28px rgba(0,0,0,.12);
}
[data-theme="light"] .ssg-scroll:hover .ssg-scroll__ring::before{
  background:rgba(255,255,255,.9);
  border-color:rgba(255,102,0,.45);
}
.ssg-scroll__svg{
  position:absolute;inset:0;
  width:100%;height:100%;
  transform:rotate(-90deg);
  pointer-events:none;
}
.ssg-scroll__track{
  fill:none;
  stroke:rgba(255,255,255,.12);
  stroke-width:2;
}
.ssg-scroll__prog{
  fill:none;
  stroke:var(--orange,#FF6600);
  stroke-width:2.5;
  stroke-linecap:round;
  transition:stroke-dashoffset .12s linear;
}
.ssg-scroll__ticks{
  fill:none;
  stroke:rgba(255,255,255,.28);
  stroke-width:1.5;
  stroke-linecap:round;
}

.ssg-scroll__core{
  position:relative;z-index:1;
  display:grid;place-items:center;
  width:100%;height:100%;
}
.ssg-scroll__mouse{
  width:22px;height:36px;
  border:1.5px solid rgba(255,255,255,.48);
  border-radius:12px;
  display:flex;justify-content:center;
  transition:border-color .3s ease, opacity .35s ease, transform .35s ease;
}
[data-theme="light"] .ssg-scroll__mouse{border-color:rgba(26,27,29,.4)}
.ssg-scroll.is-scrolled .ssg-scroll__mouse{
  opacity:0;
  transform:scale(.82);
  pointer-events:none;
}
.ssg-scroll__wheel{
  width:3px;height:7px;
  margin-top:7px;
  border-radius:999px;
  background:var(--orange,#FF6600);
}
.ssg-scroll:not(.is-scrolled):not(.is-quiet) .ssg-scroll__wheel{
  animation:ssgScrollWheel 1.35s cubic-bezier(.33,0,.2,1) infinite;
}
.ssg-scroll__pct{
  position:absolute;
  font:650 15px/1 "Geist Sans",system-ui,sans-serif;
  letter-spacing:-.02em;
  color:rgba(255,255,255,.88);
  font-variant-numeric:tabular-nums;
  opacity:0;
  transform:scale(.9);
  transition:opacity .35s ease, transform .35s ease;
}
[data-theme="light"] .ssg-scroll__pct{color:rgba(26,27,29,.88)}
.ssg-scroll.is-scrolled .ssg-scroll__pct{
  opacity:1;
  transform:scale(1);
}

.ssg-scroll__meta{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  text-align:center;
  min-width:10ch;
}
.ssg-scroll__label{
  margin:0;
  font:650 10px/1 "Geist Sans",system-ui,sans-serif;
  letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.78);
  text-shadow:0 1px 8px rgba(0,0,0,.45);
}
.ssg-scroll__sub{
  margin:0;
  font:500 10px/1 "Geist Sans",system-ui,sans-serif;
  letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.38);
  text-shadow:0 1px 8px rgba(0,0,0,.4);
}
[data-theme="light"] .ssg-scroll__label{
  color:rgba(26,27,29,.78);
  text-shadow:none;
}
[data-theme="light"] .ssg-scroll__sub{
  color:rgba(26,27,29,.42);
  text-shadow:none;
}
[data-theme="light"] .ssg-scroll__track{stroke:rgba(26,27,29,.14)}
[data-theme="light"] .ssg-scroll__ticks{stroke:rgba(26,27,29,.28)}

/* Los hints locales (climb + #que-es) ceden el sitio al marcador global. */
.hold__hint,
.scroll-hint{display:none!important}

@keyframes ssgScrollWheel{
  0%{opacity:0;transform:translateY(0)}
  40%{opacity:1}
  100%{opacity:0;transform:translateY(10px)}
}

@media (max-width:700px){
  .ssg-scroll{
    --ssg-scroll-size:52px;
    /* Esquina: no tapa el título de #que-es ni las cards de #operacion. */
    left:auto;
    right:max(14px, env(safe-area-inset-right, 0px) + 10px);
    bottom:max(14px, env(safe-area-inset-bottom, 0px) + 12px);
    transform:none;
    gap:6px;
    align-items:flex-end;
  }
  .ssg-scroll__pct{font-size:12px}
  .ssg-scroll__meta{
    align-items:flex-end;
    min-width:0;
    max-width:14ch;
  }
  .ssg-scroll__label,
  .ssg-scroll__sub{
    font-size:9px;
    letter-spacing:.12em;
    text-align:right;
  }
  /* En móvil el % basta; el “siguiente” satura. */
  .ssg-scroll__sub{display:none}
}

@media (prefers-reduced-motion:reduce){
  .ssg-scroll__wheel{animation:none!important}
  .ssg-scroll__prog{transition:none}
}