/* ========================================
   Salud Aguilar - Animaciones y Transiciones
   ======================================== */

/* ========== Keyframes ========== */

/* Fade In desde abajo */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In desde arriba */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In desde izquierda */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade In desde derecha */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Zoom In */
@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* Float */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Shimmer effect */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Rotate */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ========== Animaciones de Entrada ========== */

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeInDown {
  animation: fadeInDown 0.6s ease forwards;
}

.animate-fadeInLeft {
  animation: fadeInLeft 0.6s ease forwards;
}

.animate-fadeInRight {
  animation: fadeInRight 0.6s ease forwards;
}

.animate-zoomIn {
  animation: zoomIn 0.6s ease forwards;
}

/* Delays para animaciones escalonadas */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }

/* ========== Hover Effects ========== */

/* Card Hover */
.card-hover {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.card-hover:hover::before {
  left: 100%;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* Grow on Hover */
.grow-on-hover {
  transition: transform 0.3s ease;
}

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

/* Underline Animation */
.underline-hover {
  position: relative;
  display: inline-block;
}

.underline-hover::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width 0.3s ease;
}

.underline-hover:hover::after {
  width: 100%;
}

/* ========== Loading States ========== */

.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--white);
  border-top-color: transparent;
  border-radius: 50%;
  animation: rotate 0.8s linear infinite;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--light-gray) 25%,
    var(--gray) 50%,
    var(--light-gray) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

/* ========== Scroll Animations ========== */

/* Fade in al hacer scroll */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Slide in desde izquierda */
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Slide in desde derecha */
.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========== Button Animations ========== */

/* Ripple Effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}

/* Bounce */
.btn-bounce:hover {
  animation: pulse 0.5s ease;
}

/* ========== Icon Animations ========== */

.icon-spin {
  animation: rotate 2s linear infinite;
}

.icon-pulse {
  animation: pulse 2s ease infinite;
}

.icon-float {
  animation: float 3s ease-in-out infinite;
}

/* ========== Text Animations ========== */

/* Typing Effect */
.typing-effect {
  overflow: hidden;
  border-right: 2px solid var(--primary-navy);
  white-space: nowrap;
  animation: typing 3s steps(40) 1s forwards, blink 0.75s step-end infinite;
}

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

@keyframes blink {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: var(--primary-navy);
  }
}

/* Gradient Text Animation */
.gradient-text {
  background: linear-gradient(
    90deg,
    var(--secondary-cyan),
    var(--accent-purple),
    var(--secondary-cyan)
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* ========== WhatsApp Float Animation ========== */

.whatsapp-float {
  animation: float 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  animation: pulse 0.5s ease;
}

/* ========== Scroll Progress Bar ========== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary-cyan), var(--accent-purple));
  transform-origin: left;
  z-index: 9999;
  transition: transform 0.1s ease;
}

/* ========== Page Transitions ========== */

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

/* ========== Form Animations ========== */

.form-group input,
.form-group textarea {
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(86, 199, 232, 0.2);
}

/* Input Label Float Effect */
.form-group.float-label {
  position: relative;
}

.form-group.float-label label {
  position: absolute;
  top: 50%;
  left: var(--spacing-sm);
  transform: translateY(-50%);
  transition: all 0.3s ease;
  pointer-events: none;
  background-color: var(--white);
  padding: 0 0.25rem;
}

.form-group.float-label input:focus + label,
.form-group.float-label input:not(:placeholder-shown) + label {
  top: 0;
  font-size: 0.85rem;
  color: var(--secondary-cyan);
}

/* ========== Navigation Animations ========== */

.nav-menu a {
  position: relative;
  transition: color 0.3s ease;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--secondary-cyan);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
  width: 80%;
}

/* ========== Image Hover Effects ========== */

.image-zoom {
  overflow: hidden;
}

.image-zoom img {
  transition: transform 0.5s ease;
}

.image-zoom:hover img {
  transform: scale(1.1);
}

/* Overlay Effect */
.image-overlay {
  position: relative;
  overflow: hidden;
}

.image-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(86, 199, 232, 0.8),
    rgba(177, 156, 217, 0.8)
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.image-overlay:hover::after {
  opacity: 1;
}

/* ========== Counter Animation ========== */

@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.counter {
  animation: countUp 0.6s ease;
}

/* ========== Stagger Animation ========== */

.stagger-item {
  opacity: 0;
  transform: translateY(20px);
}

.stagger-item.visible {
  animation: fadeInUp 0.6s ease forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* ========== Background Animations ========== */

.gradient-bg {
  background: linear-gradient(
    -45deg,
    var(--secondary-cyan-light),
    var(--accent-purple-light),
    var(--secondary-cyan),
    var(--accent-purple)
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

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

/* ========== ANIMACIONES MEJORADAS - MÁS INTERACTIVIDAD ========== */

/* Bounce suave para cards al hacer hover */
@keyframes bounceSubtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.card-bounce:hover {
  animation: bounceSubtle 0.6s ease;
}

/* Efecto de brillar (shine) al pasar el mouse */
@keyframes shine {
  0% { left: -100%; }
  20%, 100% { left: 100%; }
}

.card-shine {
  position: relative;
  overflow: hidden;
}

.card-shine::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.6s ease;
}

.card-shine:hover::before {
  left: 100%;
}

/* Glow pulse para botones importantes */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 5px rgba(86, 199, 232, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(86, 199, 232, 0.6), 0 0 30px rgba(177, 156, 217, 0.4);
  }
}

.btn-glow {
  animation: glowPulse 2s ease-in-out infinite;
}

/* Wiggle animation para iconos */
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
}

.icon-wiggle:hover {
  animation: wiggle 0.5s ease;
}

/* Heart beat para iconos de corazón */
@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  10%, 30% { transform: scale(0.9); }
  20%, 40% { transform: scale(1.1); }
}

.icon-heartbeat:hover {
  animation: heartBeat 0.8s ease;
  color: #e74c3c;
}

/* Efecto de typing para títulos */
@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

.typing-effect {
  overflow: hidden;
  border-right: 3px solid var(--primary-navy);
  white-space: nowrap;
  animation: typing 3.5s steps(40) 1s 1 normal both, blink 0.75s step-end infinite;
}

/* Efecto de escala suave en hover */
.scale-hover {
  transition: transform 0.3s ease;
}

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

/* Rotación en hover para iconos */
.rotate-hover {
  transition: transform 0.3s ease;
}

.rotate-hover:hover {
  transform: rotate(360deg);
}

/* Shake effect para alertas */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
  20%, 40%, 60%, 80% { transform: translateX(10px); }
}

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

/* Fade in con zoom */
@keyframes fadeInZoom {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-zoom {
  animation: fadeInZoom 0.6s ease;
}

/* Efecto de flip card */
.flip-card {
  perspective: 1000px;
}

.flip-card-inner {
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateY(180deg);
}

/* Partículas flotantes decorativas */
@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0) rotate(0deg);
    opacity: 0.3;
  }
  25% {
    transform: translateY(-20px) translateX(10px) rotate(90deg);
    opacity: 0.6;
  }
  50% {
    transform: translateY(-40px) translateX(-10px) rotate(180deg);
    opacity: 0.3;
  }
  75% {
    transform: translateY(-20px) translateX(15px) rotate(270deg);
    opacity: 0.6;
  }
}

.particle {
  animation: particleFloat 4s ease-in-out infinite;
}

/* Efecto de onda al hacer clic */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.btn-ripple-effect {
  position: relative;
  overflow: hidden;
}

.btn-ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
}

.btn-ripple-effect:active::after {
  animation: ripple 0.6s ease-out;
}

/* Underline animado desde el centro */
.underline-center {
  position: relative;
  display: inline-block;
}

.underline-center::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--secondary-cyan);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

.underline-center:hover::after {
  width: 100%;
}

/* Shadow lift en hover */
.shadow-lift {
  transition: all 0.3s ease;
}

.shadow-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* Efecto de respiración (breath) */
@keyframes breath {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

.breath-animation {
  animation: breath 3s ease-in-out infinite;
}

/* ========== Accessibility - Respeto a prefers-reduced-motion ========== */

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

  .fade-in,
  .slide-in-left,
  .slide-in-right,
  .scale-in {
    opacity: 1;
    transform: none;
  }
}