/* animations.css — Keyframes y Clases de Animación */

/* Shimmer effect en botones principales */
@keyframes shimmer {
  0% { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%) skewX(-15deg); }
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transform: skewX(-15deg);
  transition: none;
}

.btn-primary:hover::after {
  animation: shimmer 1.5s infinite;
}

/* Gradiente animado de fondo */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Partículas flotantes con CSS puro */
@keyframes floatParticle {
  0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.15; }
  50% { transform: translateY(-30px) rotate(180deg); opacity: 0.5; }
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--secondary);
  border-radius: 50%;
  pointer-events: none;
  animation: floatParticle 8s infinite ease-in-out;
  z-index: 1;
}

.particle:nth-child(2n) {
  background: var(--primary-light);
  width: 8px;
  height: 8px;
  animation-duration: 12s;
  animation-delay: 2s;
}

.particle:nth-child(3n) {
  background: #FFFFFF;
  width: 4px;
  height: 4px;
  animation-duration: 10s;
  animation-delay: 4s;
}

/* Glow pulsante en la tarjeta del hero */
@keyframes glowPulse {
  0%, 100% { 
    box-shadow: 0 0 20px rgba(108, 0, 255, 0.3), 0 0 40px rgba(108, 0, 255, 0.1); 
    transform: translateY(0);
  }
  50% { 
    box-shadow: 0 0 50px rgba(108, 0, 255, 0.6), 0 0 80px rgba(0, 212, 170, 0.3); 
    transform: translateY(-8px);
  }
}

/* Clases de animación por scroll (Intersection Observer) */
.fade-up, .fade-left, .fade-right, .scale-in {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up {
  transform: translateY(40px);
}

.fade-left {
  transform: translateX(-40px);
}

.fade-right {
  transform: translateX(40px);
}

.scale-in {
  transform: scale(0.92);
}

/* Estado animado que activa el Intersection Observer */
.animated {
  opacity: 1;
  transform: translate(0) scale(1) !important;
}

/* Retardos de animación mediante JS o CSS inline, definimos auxiliares */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }

/* Micro-animación de sacudida para errores del Lead Form */
@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.shake {
  animation: shakeError 0.4s ease-in-out;
}

/* Typing cursor animation para el Hero */
@keyframes blink {
  50% { border-color: transparent; }
}

.typing-cursor {
  border-right: 2px solid var(--secondary);
  animation: blink 0.7s infinite;
}