/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS SYSTÈME — QLN Event
   ═══════════════════════════════════════════════════════════════ */

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

/* ══════════════════ KEYFRAMES ══════════════════ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(212, 175, 55, 0.4);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.6;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ══════════════════ CLASSES UTILITAIRES ══════════════════ */

/* Fade in staggered (pour les listes) */
.fade-in {
  animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.fade-in-scale {
  animation: fadeInScale 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.slide-in-left {
  animation: slideInLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.slide-in-right {
  animation: slideInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.slide-in-up {
  animation: slideInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

/* Stagger delays */
.delay-1 { animation-delay: 0.05s; }
.delay-2 { animation-delay: 0.1s; }
.delay-3 { animation-delay: 0.15s; }
.delay-4 { animation-delay: 0.2s; }
.delay-5 { animation-delay: 0.25s; }
.delay-6 { animation-delay: 0.3s; }
.delay-7 { animation-delay: 0.35s; }
.delay-8 { animation-delay: 0.4s; }

/* Reveal au scroll (géré par Intersection Observer) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.04) 0%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.04) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: 8px;
}

/* Pulse (pour les indicateurs de chargement) */
.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Glow effect */
.glow {
  animation: glowPulse 3s ease-in-out infinite;
}

/* Float effect */
.float {
  animation: float 3s ease-in-out infinite;
}

/* ══════════════════ MICRO-INTERACTIONS ══════════════════ */

/* Hover lift (cartes, boutons) */
.hover-lift {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

/* Hover scale */
.hover-scale {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.hover-glow:hover {
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.25);
  transform: translateY(-2px);
}

/* Button ripple effect */
.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.ripple-effect:active::after {
  width: 300px;
  height: 300px;
  transition: width 0s, height 0s;
}

/* ══════════════════ TRANSITIONS FLUIDES ══════════════════ */

/* Smooth all (pour les éléments interactifs) */
.smooth {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glassmorphism transitions */
.glass-transition {
  transition: background 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ══════════════════ PAGE TRANSITIONS ══════════════════ */

/* Fade transition (appliqué au body) */
body {
  animation: fadeIn 0.4s ease-out;
}

/* ══════════════════ STATES ANIMÉS ══════════════════ */

/* Loading state (spinner) */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Dots loading */
.dots-loading {
  display: inline-flex;
  gap: 6px;
}

.dots-loading span {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: dotPulse 1.4s ease-in-out infinite;
}

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

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

@keyframes dotPulse {
  0%, 80%, 100% {
    transform: scale(0.6);
    opacity: 0.4;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Progress bar */
.progress-bar {
  position: relative;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold));
  animation: progressSlide 1.5s ease-in-out infinite;
}

@keyframes progressSlide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}

/* ══════════════════ SCROLL ANIMATIONS ══════════════════ */

/* Parallax (léger effet de profondeur) */
.parallax {
  transition: transform 0.1s ease-out;
  will-change: transform;
}

/* Sticky reveal */
.sticky-reveal {
  position: sticky;
  top: 20px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* ══════════════════ PERFORMANCES ══════════════════ */

/* Optimisations GPU */
.gpu-accelerated {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}