/* ===============================================
   ANIMATIONS.CSS - Animations et effets visuels
   =============================================== */

/* ========== FADE IN ANIMATIONS ========== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@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);
  }
}

/* ========== SCALE ANIMATIONS ========== */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleUp {
  from {
    transform: scale(0.95);
  }
  to {
    transform: scale(1.05);
  }
}

/* ========== GLOW & NEON EFFECTS ========== */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px var(--primary),
                0 0 40px var(--primary),
                0 0 60px var(--primary);
  }
  50% {
    box-shadow: 0 0 30px var(--primary),
                0 0 50px var(--primary),
                0 0 70px var(--primary);
  }
}

@keyframes textGlow {
  0%, 100% {
    text-shadow: 0 0 10px var(--primary),
                 0 0 20px var(--primary),
                 0 0 30px var(--primary);
  }
  50% {
    text-shadow: 0 0 15px var(--primary),
                 0 0 25px var(--primary),
                 0 0 35px var(--primary);
  }
}

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

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

/* ========== GRADIENT ANIMATIONS ========== */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animate {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* ========== TYPEWRITER EFFECT ========== */
@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

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

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

/* ========== FLOAT & HOVER EFFECTS ========== */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

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

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

.float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

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

@keyframes rotateReverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

.rotate {
  animation: rotate 20s linear infinite;
}

.rotate-reverse {
  animation: rotateReverse 20s linear infinite;
}

/* ========== PULSE ANIMATIONS ========== */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(var(--primary-rgb), 0.7);
  }
  50% {
    box-shadow: 0 0 0 20px rgba(var(--primary-rgb), 0);
  }
}

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

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

/* ========== SHIMMER EFFECT ========== */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--surface) 0%,
    var(--surface-hover) 50%,
    var(--surface) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* ========== SLIDE ANIMATIONS ========== */
@keyframes slideInUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

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

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

/* ========== UTILITY CLASSES ========== */
.animate-on-scroll {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.fade-in-down {
  animation: fadeInDown 0.6s ease forwards;
}

.fade-in-left {
  animation: fadeInLeft 0.6s ease forwards;
}

.fade-in-right {
  animation: fadeInRight 0.6s ease forwards;
}

.scale-in {
  animation: scaleIn 0.6s ease forwards;
}

.slide-in-up {
  animation: slideInUp 0.6s ease forwards;
}

.slide-in-down {
  animation: slideInDown 0.6s ease forwards;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s ease forwards;
}

/* ========== DELAY CLASSES ========== */
.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; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }

/* ========== HOVER EFFECTS ========== */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

.hover-glow:hover {
  box-shadow: var(--shadow-glow);
}

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

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

.hover-tilt {
  transition: transform var(--transition-normal);
}

.hover-tilt:hover {
  transform: perspective(1000px) rotateY(5deg) rotateX(5deg);
}

/* ========== 3D CARD EFFECT ========== */
.card-3d {
  transform-style: preserve-3d;
  transition: transform var(--transition-normal);
}

.card-3d:hover {
  transform: perspective(1000px) rotateY(10deg);
}

.card-3d-reverse:hover {
  transform: perspective(1000px) rotateY(-10deg);
}

/* ========== RIPPLE EFFECT ========== */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.ripple {
  position: relative;
  overflow: hidden;
}

.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;
}

.ripple:active::after {
  width: 300px;
  height: 300px;
  animation: ripple 0.6s ease-out;
}

/* ========== PARTICLE EFFECTS ========== */
@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-20px) translateX(10px);
  }
  50% {
    transform: translateY(-40px) translateX(-10px);
  }
  75% {
    transform: translateY(-20px) translateX(10px);
  }
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
  animation: particleFloat 8s ease-in-out infinite;
}

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