/* ==========================================================================
   AFRISANTE — Animations fluides et micro-interactions
   ========================================================================== */

/* ==========================================================================
   KEYFRAMES
   ========================================================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

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

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

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

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

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

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

@keyframes pulse-danger {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  50% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

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

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

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14% { transform: scale(1.15); }
  28% { transform: scale(1); }
  42% { transform: scale(1.15); }
  70% { transform: scale(1); }
}

@keyframes ripple {
  0% { transform: scale(0); opacity: 1; }
  100% { transform: scale(4); opacity: 0; }
}

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

/* ==========================================================================
   CLASSES UTILITAIRES D'ANIMATION
   ========================================================================== */

.animate-fade-in { animation: fadeIn 600ms ease-out; }
.animate-slide-up { animation: slideInUp 600ms ease-out backwards; }
.animate-slide-down { animation: slideInDown 600ms ease-out backwards; }
.animate-slide-left { animation: slideInLeft 600ms ease-out backwards; }
.animate-slide-right { animation: slideInRight 600ms ease-out backwards; }
.animate-scale-in { animation: scaleIn 500ms var(--bounce) backwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-float { animation: float 4s ease-in-out infinite; }
.animate-heartbeat { animation: heartbeat 1.8s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Délais staggered */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* ==========================================================================
   SCROLL REVEAL (AOS-like)
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1),
              transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal="up"] { transform: translateY(40px); }
[data-reveal="down"] { transform: translateY(-40px); }
[data-reveal="left"] { transform: translateX(40px); }
[data-reveal="right"] { transform: translateX(-40px); }
[data-reveal="zoom"] { transform: scale(0.9); }

[data-reveal].is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* ==========================================================================
   HOVER EFFECTS
   ========================================================================== */

.hover-lift { transition: transform var(--transition), box-shadow var(--transition); }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.hover-scale { transition: transform var(--transition); }
.hover-scale:hover { transform: scale(1.03); }

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

.hover-underline {
  position: relative;
}
.hover-underline::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width var(--transition);
}
.hover-underline:hover::after { width: 100%; }

/* ==========================================================================
   GRADIENT ANIMÉ
   ========================================================================== */

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary), var(--primary));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease infinite;
}

.gradient-bg {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  background-size: 200% 200%;
  animation: gradient-shift 8s ease infinite;
}

/* ==========================================================================
   SKELETON LOADER
   ========================================================================== */

.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 0%, var(--gray-200) 50%, var(--gray-100) 100%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite linear;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   CARD HOVER 3D
   ========================================================================== */

.card-3d {
  transform-style: preserve-3d;
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}
.card-3d:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
}

/* ==========================================================================
   LOGO ANIMATION
   ========================================================================== */

.logo-pulse::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(10, 110, 189, 0.5);
  animation: pulse-primary 2s infinite;
}

@keyframes pulse-primary {
  0% { box-shadow: 0 0 0 0 rgba(10, 110, 189, 0.5); }
  70% { box-shadow: 0 0 0 20px rgba(10, 110, 189, 0); }
  100% { box-shadow: 0 0 0 0 rgba(10, 110, 189, 0); }
}

/* ==========================================================================
   BLOB BACKGROUND
   ========================================================================== */

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

@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;
  }
}