.glass-nav {
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(203, 213, 225, 0.5);
}
.dark .glass-nav {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.5);
}
.dark {
  background-color: #020617;
  color: white;
}
.gradient-text {
  background: linear-gradient(to right, #3b82f6, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Animations Scroll de base */
.reveal,
.reveal-left,
.reveal-right,
.reveal-up {
  opacity: 0;
  transition: all 1s cubic-bezier(0.17, 0.85, 0.43, 1);
  filter: blur(5px);
}

.reveal-up {
  transform: translateY(80px);
}

.reveal-left {
  transform: translateX(-100px);
}

.reveal-right {
  transform: translateX(100px);
}

/* Nouvelles classes actives */
.reveal.active,
.reveal-left.active,
.reveal-right.active,
.reveal-up.active {
  opacity: 1;
  transform: translateY(0) translateX(0);
  filter: blur(0);
}

/* Délais d'animation */
.delay-100 {
  transition-delay: 100ms;
}

.delay-200 {
  transition-delay: 200ms;
}

.delay-300 {
  transition-delay: 300ms;
}

/* ====== Animation Photo de Profil ====== */

/* Rotation du gradient en continu */
@keyframes spin-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-8px);
  }
}

.profile-avatar {
  animation: float 4s ease-in-out infinite;
  transition: transform 0.4s ease;
}

.avatar-border {
  background-size: 200% 200%;
  transition:
    transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s ease;
}

.avatar-glow {
  transition:
    opacity 0.4s ease,
    transform 0.4s ease;
}

/* Au survol du conteneur parent */
.profile-avatar:hover {
  animation-play-state: paused;
  transform: scale(1.04);
}

.profile-avatar:hover .avatar-border {
  transform: scale(1.05);
  box-shadow:
    0 0 40px rgba(139, 92, 246, 0.5),
    0 0 80px rgba(59, 130, 246, 0.25);
  animation: spin-gradient 2s linear infinite;
  background: linear-gradient(135deg, #3b82f6, #a855f7, #f59e0b, #3b82f6);
  background-size: 300% 300%;
}

.profile-avatar:hover .avatar-glow {
  opacity: 0.7;
  transform: scale(1.3);
}

.profile-avatar img {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.profile-avatar:hover img {
  transform: scale(1.06);
}

/* Preloader Hidden State */
#preloader.preloader-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Anim - Barre de chargement */
@keyframes loading-bar {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(100%);
  }
}

.animate-loading-bar {
  animation: loading-bar 1.5s ease-in-out infinite;
}