/**
 * Efectos y animaciones para engagement
 * Respeta prefers-reduced-motion para accesibilidad
 */

/* --- Keyframes --- */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-left {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fade-in-right {
  from {
    opacity: 0;
    transform: translateX(24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 15px rgba(255, 87, 51, 0.4); }
  50% { box-shadow: 0 0 25px rgba(255, 87, 51, 0.6); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes gradient-shift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(5deg); }
}

/* --- Estados iniciales (ocultos hasta scroll) --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-fade-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-fade-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-fade-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.animate-scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-scale-in.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Delays escalonados para stagger */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }

/* --- Hover effects mejorados --- */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.5);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(255, 87, 51, 0.3);
}

.hover-scale {
  transition: transform 0.25s ease;
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-scale-sm:hover {
  transform: scale(1.015);
}

/* Card con borde que brilla al hover */
.card-glow {
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.card-glow:hover {
  border-color: rgba(255, 87, 51, 0.3);
  box-shadow: 0 0 20px rgba(255, 87, 51, 0.15);
  transform: translateY(-2px);
}

/* Icono que crece al hover */
.icon-grow:hover .hover-icon {
  transform: scale(1.15);
}

.hover-icon {
  transition: transform 0.3s ease;
}

/* --- Hero: scroll indicator flotante --- */
.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* --- CTA con pulse sutil --- */
.cta-pulse:hover {
  animation: glow-pulse 2s ease-in-out infinite;
}

/* --- Imagen con zoom suave al hover --- */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.img-zoom:hover img {
  transform: scale(1.08);
}

/* Hero: animación al cargar (above the fold) */
.hero-reveal {
  animation: fade-up 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-delay-1, .hero-delay-2, .hero-delay-3, .hero-delay-4 {
  opacity: 0;
  animation: fade-up 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-delay-1 { animation-delay: 0.15s; }
.hero-delay-2 { animation-delay: 0.3s; }
.hero-delay-3 { animation-delay: 0.45s; }
.hero-delay-4 { animation-delay: 0.6s; }

/* Respeta preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll,
  .animate-fade-up,
  .animate-fade-left,
  .animate-fade-right,
  .animate-scale-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-reveal,
  .hero-delay-1,
  .hero-delay-2,
  .hero-delay-3,
  .hero-delay-4 {
    animation: none;
    opacity: 1;
  }

  .animate-float {
    animation: none;
  }

  .cta-pulse:hover {
    animation: none;
  }
}