/* ===== HEADER CON SCROLL ===== */
.site-header{transition:background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease}
.site-header.scrolled{
  background:rgba(6,23,53,.75);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 30px rgba(0,0,0,.25);
}

/* ===== INDICADOR DE SCROLL EN EL HERO ===== */
.scroll-cue{
  position:absolute;
  left:50%;
  bottom:26px;
  transform:translateX(-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  color:#9fb0ca;
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  opacity:.8;
  z-index:2;
}
.scroll-cue span{
  width:20px;
  height:20px;
  border-right:2px solid #7dc9ff;
  border-bottom:2px solid #7dc9ff;
  transform:rotate(45deg);
  animation:bounceDown 1.8s ease-in-out infinite;
}
@keyframes bounceDown{
  0%,100%{transform:rotate(45deg) translate(0,0)}
  50%{transform:rotate(45deg) translate(6px,6px)}
}

/* ===== ICONOS EN STATS ===== */
.stats-grid article{display:flex;flex-direction:column;align-items:center;gap:6px}
.stats-grid .stat-icon{font-size:1.6rem;margin-bottom:2px}

/* ===== SKELETON DE PROGRAMAS ===== */
.program-skeleton{
  background:var(--card,rgba(255,255,255,.06));
  border:1px solid var(--line,rgba(255,255,255,.13));
  border-radius:22px;
  padding:28px;
  overflow:hidden;
  position:relative;
}
.skeleton-line{
  height:14px;
  border-radius:8px;
  margin-bottom:12px;
  background:linear-gradient(90deg,rgba(255,255,255,.06) 25%,rgba(255,255,255,.14) 37%,rgba(255,255,255,.06) 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s ease infinite;
}
.skeleton-line.w-60{width:60%}
.skeleton-line.w-90{width:90%}
.skeleton-line.w-40{width:40%;height:28px;margin-top:18px}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}

/* ===== REVEAL SECUENCIAL (pasos de experiencia) ===== */
.steps > div{transition-delay:calc(var(--step-index, 0) * .15s)}

/* ===== VALIDACION EN TIEMPO REAL DEL FORMULARIO ===== */
.lead-form label.field-error input,
.lead-form label.field-error select{
  border-color:#f87171 !important;
  box-shadow:0 0 0 3px rgba(248,113,113,.15);
}
.lead-form label.field-ok input{
  border-color:#4ade80 !important;
}
.field-hint{
  display:block;
  margin-top:6px;
  font-size:.76rem;
  color:#f87171;
  min-height:16px;
}
.phone-counter{
  float:right;
  font-weight:600;
  color:#9fb0ca;
}
.phone-counter.complete{color:#4ade80}

/* ===== EXITO CELEBRATORIO DEL FORMULARIO ===== */
.lead-success{
  display:none;
  text-align:center;
  padding:40px 20px;
}
.lead-success.show{display:block}
.lead-success .check-circle{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:50%;
  background:rgba(74,222,128,.15);
  border:2px solid #4ade80;
  display:grid;place-items:center;
  font-size:1.8rem;
  color:#4ade80;
  animation:popIn .4s ease;
}
@keyframes popIn{
  0%{transform:scale(.5);opacity:0}
  70%{transform:scale(1.08)}
  100%{transform:scale(1);opacity:1}
}
.lead-success strong{display:block;font-size:1.2rem;margin-bottom:8px}
.lead-success p{color:var(--muted,#9fb0ca);margin-bottom:22px}

/* ===== WHATSAPP FLOTANTE CON PULSO ===== */
.whatsapp-float{
  animation:waPulse 2.4s ease-in-out infinite;
}
@keyframes waPulse{
  0%,100%{box-shadow:0 12px 30px rgba(37,211,102,.45)}
  50%{box-shadow:0 12px 42px rgba(37,211,102,.85)}
}

@media(prefers-reduced-motion:reduce){
  .scroll-cue span,.whatsapp-float,.skeleton-line{animation:none!important}
}