/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   ANIMACIONES UTILITARIAS
   ============================================================ */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
.float { animation: float-y 4s var(--ease-default) infinite; }

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,197,24,0.4); }
  50%      { box-shadow: 0 0 0 12px rgba(245,197,24,0); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(90deg, var(--alpha-mist) 0%, var(--alpha-cream) 50%, var(--alpha-mist) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite linear;
}

@keyframes spin-slow { to { transform: rotate(360deg); } }

/* Mascot breathing */
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.02); }
}
.breathing { animation: breathe 4s ease-in-out infinite; }

/* ============================================================
   FLOATING WHATSAPP BUTTON (permanente)
   ============================================================ */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--alpha-white);
  display: grid;
  place-items: center;
  text-decoration: none;
  z-index: 999;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.5),
              0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform var(--dur-base) var(--ease-bounce),
              box-shadow var(--dur-base) var(--ease-default);
  animation: wa-float-in 0.6s var(--ease-bounce) 1.5s both;
}
@keyframes wa-float-in {
  from { transform: translateY(80px) scale(0.5); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}
@media (min-width: 768px) {
  .wa-float {
    width: 68px;
    height: 68px;
    bottom: 32px;
    right: 32px;
  }
}
.wa-float:hover {
  transform: translateY(-6px) scale(1.08);
  box-shadow: 0 18px 40px rgba(37, 211, 102, 0.7),
              0 6px 16px rgba(0, 0, 0, 0.3);
}
.wa-float:active { transform: translateY(-2px) scale(0.95); }

.wa-float__icon {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
  animation: wa-icon-float 3s ease-in-out infinite;
}
@keyframes wa-icon-float {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25%      { transform: rotate(-8deg) scale(1.05); }
  75%      { transform: rotate(8deg) scale(1.05); }
}

.wa-float__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.6);
  z-index: 1;
  animation: wa-pulse-ring 2.4s var(--ease-default) infinite;
}
.wa-float__pulse--2 { animation-delay: 1.2s; }
@keyframes wa-pulse-ring {
  0%   { transform: scale(1);   opacity: 0.7; }
  100% { transform: scale(1.8); opacity: 0;   }
}

.wa-float__tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--alpha-navy);
  color: var(--alpha-white);
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-default),
              transform var(--dur-base) var(--ease-default);
  box-shadow: var(--sh-lg);
}
.wa-float__tooltip::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--alpha-navy);
}
.wa-float:hover .wa-float__tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
@media (max-width: 767px) {
  .wa-float__tooltip { display: none; }
}

/* Reduced motion off */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}