/* =============================================
   ANIMATIONS — CReFyN Landing
   ============================================= */

/* --- Scroll Reveal base --- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Stagger delay para cards en grid --- */
.reveal-stagger:nth-child(1) { transition-delay: 0s; }
.reveal-stagger:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger:nth-child(8) { transition-delay: 0.56s; }
.reveal-stagger:nth-child(9) { transition-delay: 0.64s; }

/* --- Fade in Hero (siempre visible al cargar) --- */
.hero-animate {
  animation: heroFadeUp 1s ease forwards;
}
.hero-animate.delay-1 { animation-delay: 0.2s; opacity: 0; }
.hero-animate.delay-2 { animation-delay: 0.45s; opacity: 0; }
.hero-animate.delay-3 { animation-delay: 0.7s; opacity: 0; }

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Navbar scrolled --- */
.navbar {
  transition: background 0.35s ease, box-shadow 0.35s ease, padding 0.35s ease;
}

/* --- WhatsApp float button pulse --- */
@keyframes waPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
}
.wa-float {
  animation: waPulse 2.5s ease infinite;
}

/* --- Hover en service cards --- */
.card-servicio {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.card-servicio:hover {
  transform: translateY(-7px);
}

/* --- Hover en prof cards --- */
.prof-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.prof-card:hover {
  transform: translateY(-5px);
}

/* --- Diferencial icons --- */
.dif-icon {
  transition: transform 0.3s ease;
}
.dif-item:hover .dif-icon {
  transform: scale(1.15) rotate(-5deg);
}