/* ===== ANIMACIONES Y TRANSICIONES AVANZADAS ===== */

/* Animaciones de entrada */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0,0,0);
  }
  40%, 43% {
    transform: translate3d(0, -8px, 0);
  }
  70% {
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

/* Clases de animación */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fade-in-down {
  animation: fadeInDown 0.8s ease-out forwards;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fade-in-right {
  animation: fadeInRight 0.8s ease-out forwards;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 1s infinite;
}

/* Delays para animaciones escalonadas */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

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

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

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

.hover-scale:hover {
  transform: scale(1.05);
}

/* Loading states */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Intersection Observer animations */
.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  visibility: hidden;
  transition: opacity 0.8s ease-out, transform 0.8s ease-out, visibility 0.8s ease-out;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: none;
  visibility: visible;
}

/* Form focus animations - DESHABILITADO para mantener diseño original */
/*
.form-input {
  transition: all 0.3s ease;
  position: relative;
}

.form-input:focus {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
*/

/* Button animations */
.btn-primary, .btn-secondary {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary::before, .btn-secondary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before, .btn-secondary:hover::before {
  width: 300px;
  height: 300px;
}

/* Navbar scroll effect */
.navbar-scrolled {
  background-color: rgba(0, 0, 0, 0.95) !important;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

/* Contact icons - manteniendo diseño original */
.contact-icon {
  transition: all 0.3s ease;
}

.contact-icon:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Service cards animation */
.service-card {
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-image {
  transition: all 0.3s ease;
}

.service-card:hover .service-image {
  transform: scale(1.1);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

/* Scroll to top button animation */
#scrollToTopButton {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#scrollToTopButton:not(.hidden) {
  animation: fadeInUp 0.5s ease-out;
}

#scrollToTopButton:hover {
  transform: translateY(-2px) scale(1.1);
}

/* Mobile menu animation */
#mobile-menu {
  transition: all 0.3s ease;
}

#mobile-menu:not(.hidden) {
  animation: fadeInDown 0.3s ease-out;
}