/* ===============================
   ANIMACIONES PERSONALIZADAS
   =============================== */

/* Animación de entrada para elementos */
@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 zoomIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg);
  }
  to {
    opacity: 1;
    transform: rotate(0deg);
  }
}

@keyframes flipIn {
  from {
    opacity: 0;
    transform: rotateY(-90deg);
  }
  to {
    opacity: 1;
    transform: rotateY(0deg);
  }
}

/* ===============================
   ANIMACIONES DE HOVER
   =============================== */

.hover-lift {
  transition: transform var(--transition-base);
}

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

.hover-scale {
  transition: transform var(--transition-base);
}

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

.hover-rotate {
  transition: transform var(--transition-base);
}

.hover-rotate:hover {
  transform: rotate(5deg);
}

.hover-glow {
  transition: all var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 20px var(--neon-blue);
}

.hover-neon {
  transition: all var(--transition-base);
}

.hover-neon:hover {
  text-shadow: 0 0 10px var(--neon-blue);
  color: var(--neon-blue);
}

/* ===============================
   ANIMACIONES DE FONDO
   =============================== */

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animation {
  background: linear-gradient(-45deg, #ff6b6b, #4ecdc4, #45b7d1, #f9ca24);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.05);
  }
}

.pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}

/* ===============================
   ANIMACIONES DE TEXTO
   =============================== */

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--neon-blue);
  }
}

.typing-animation {
  overflow: hidden;
  border-right: 3px solid var(--neon-blue);
  white-space: nowrap;
  animation: 
    typing 4s steps(40, end),
    blink-caret 1s step-end infinite;
}

@keyframes textGlow {
  0%, 100% {
    text-shadow: 0 0 5px var(--neon-blue);
  }
  50% {
    text-shadow: 0 0 20px var(--neon-blue), 0 0 30px var(--neon-blue);
  }
}

.text-glow {
  animation: textGlow 2s ease-in-out infinite;
}

/* ===============================
   ANIMACIONES DE PARTÍCULAS
   =============================== */

@keyframes particleFloat {
  0% {
    transform: translateY(0px) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--neon-blue);
  border-radius: 50%;
  animation: particleFloat 4s linear infinite;
}

.particle:nth-child(1) { left: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 40%; animation-delay: 1s; }
.particle:nth-child(3) { left: 60%; animation-delay: 2s; }
.particle:nth-child(4) { left: 80%; animation-delay: 3s; }

/* ===============================
   ANIMACIONES DE LÍNEAS
   =============================== */

@keyframes drawLine {
  0% {
    stroke-dashoffset: 1000;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

.line-animation {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 3s ease-in-out forwards;
}

/* ===============================
   ANIMACIONES DE CARDS
   =============================== */

@keyframes cardFlip {
  0% {
    transform: rotateY(0deg);
  }
  50% {
    transform: rotateY(-90deg);
  }
  100% {
    transform: rotateY(0deg);
  }
}

.card-flip {
  animation: cardFlip 0.6s ease-in-out;
}

@keyframes cardSlide {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

.card-slide {
  animation: cardSlide 0.5s ease-out;
}

/* ===============================
   ANIMACIONES DE CARGA
   =============================== */

@keyframes spinner {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--bg-tertiary);
  border-top: 4px solid var(--neon-blue);
  border-radius: 50%;
  animation: spinner 1s linear infinite;
}

@keyframes dots {
  0%, 20% {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
  }
  40% {
    color: var(--text-secondary);
    text-shadow: none;
  }
  60%, 100% {
    color: var(--text-secondary);
    text-shadow: none;
  }
}

.loading-dots span {
  animation: dots 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(1) { animation-delay: 0s; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

/* ===============================
   ANIMACIONES DE PROGRESO
   =============================== */

@keyframes progressBar {
  0% {
    width: 0%;
  }
  100% {
    width: 100%;
  }
}

.progress-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
  border-radius: var(--border-radius-full);
  animation: progressBar 2s ease-in-out forwards;
}

/* ===============================
   ANIMACIONES DE SCROLL
   =============================== */

@keyframes scrollIndicator {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
  100% {
    transform: translateY(0);
  }
}

.scroll-indicator {
  animation: scrollIndicator 2s ease-in-out infinite;
}

/* ===============================
   ANIMACIONES DE FORMULARIO
   =============================== */

@keyframes inputFocus {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4);
  }
  100% {
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.1);
  }
}

.input-focus {
  animation: inputFocus 0.3s ease-out;
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* ===============================
   ANIMACIONES DE ÉXITO
   =============================== */

@keyframes checkmark {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.checkmark {
  animation: checkmark 0.5s ease-in-out;
}

/* ===============================
   ANIMACIONES DE NAVEGACIÓN
   =============================== */

@keyframes navSlide {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.nav-slide {
  animation: navSlide 0.5s ease-out;
}

/* ===============================
   ANIMACIONES DE MODAL
   =============================== */

@keyframes modalFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-fade-in {
  animation: modalFadeIn 0.3s ease-out;
}

/* ===============================
   ANIMACIONES DE TOOLTIP
   =============================== */

@keyframes tooltipFadeIn {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.tooltip-fade-in {
  animation: tooltipFadeIn 0.3s ease-out;
}

/* ===============================
   ANIMACIONES DE TRANSICIÓN DE PÁGINA
   =============================== */

@keyframes pageTransition {
  0% {
    opacity: 0;
    transform: translateX(50px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.page-transition {
  animation: pageTransition 0.5s ease-out;
}

/* ===============================
   CLASES DE UTILIDAD PARA ANIMACIONES
   =============================== */

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

.animate-duration-fast { animation-duration: 0.3s; }
.animate-duration-normal { animation-duration: 0.5s; }
.animate-duration-slow { animation-duration: 1s; }

.animate-ease-in { animation-timing-function: ease-in; }
.animate-ease-out { animation-timing-function: ease-out; }
.animate-ease-in-out { animation-timing-function: ease-in-out; }

.animate-infinite { animation-iteration-count: infinite; }
.animate-once { animation-iteration-count: 1; }

.animate-pause { animation-play-state: paused; }
.animate-play { animation-play-state: running; }

.animate-reverse { animation-direction: reverse; }
.animate-alternate { animation-direction: alternate; }

/* ===============================
   ANIMACIONES ESPECIALES
   =============================== */

@keyframes matrixRain {
  0% {
    transform: translateY(-100vh);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(100vh);
    opacity: 0;
  }
}

.matrix-rain {
  animation: matrixRain 5s linear infinite;
}

@keyframes hologram {
  0%, 100% {
    opacity: 1;
    transform: translateZ(0);
  }
  50% {
    opacity: 0.8;
    transform: translateZ(10px);
  }
}

.hologram {
  animation: hologram 2s ease-in-out infinite;
}

@keyframes glitch {
  0%, 100% {
    transform: translate(0);
  }
  10% {
    transform: translate(-2px, 2px);
  }
  20% {
    transform: translate(2px, -2px);
  }
  30% {
    transform: translate(-2px, -2px);
  }
  40% {
    transform: translate(2px, 2px);
  }
  50% {
    transform: translate(-2px, 2px);
  }
  60% {
    transform: translate(2px, -2px);
  }
  70% {
    transform: translate(-2px, -2px);
  }
  80% {
    transform: translate(2px, 2px);
  }
  90% {
    transform: translate(-2px, 2px);
  }
}

.glitch {
  animation: glitch 0.5s ease-in-out;
}

/* ===============================
   ANIMACIONES RESPONSIVAS
   =============================== */

@media (max-width: 768px) {
  .typing-animation {
    animation: typing 3s steps(30, end), blink-caret 1s step-end infinite;
  }
  
  .hover-lift:hover {
    transform: translateY(-3px);
  }
  
  .hover-scale:hover {
    transform: scale(1.02);
  }
  
  .gradient-animation {
    background-size: 200% 200%;
    animation: gradientShift 10s ease infinite;
  }
}

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