/* ============================================
   JOYSTICK FM — animations.css
   Keyframes, transitions, micro-interactions
   ============================================ */

/* ── Animations globales et utilitaires pour Joystick FM ── */


/* ── Keyframes de base ── */

/* Clignotement curseur / dot live */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Pulsation badge LIVE */
@keyframes livePulse {
  0%, 100% { box-shadow: 0 0 8px var(--rose-neon), 0 0 20px var(--rose-neon); }
  50%       { box-shadow: 0 0 4px var(--rose-neon), 0 0 8px var(--rose-neon); }
}

/* Pulsation logo */
@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 8px rgba(0,245,255,0.4), 0 0 20px rgba(0,245,255,0.2); }
  50%       { box-shadow: 0 0 16px rgba(0,245,255,0.7), 0 0 35px rgba(0,245,255,0.3); }
}

/* Défilement grille hero */
@keyframes gridScroll {
  from { background-position: 0 0; }
  to   { background-position: 60px 60px; }
}

/* Rotation background radio */
@keyframes rotateBg {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Visualizer barres */
@keyframes vizBounce {
  from { transform: scaleY(0.2); }
  to   { transform: scaleY(1); }
}

/* Pop easter egg */
@keyframes eggPop {
  from { transform: scale(0.3) rotate(-10deg); opacity: 0; }
  to   { transform: scale(1) rotate(0deg);    opacity: 1; }
}

/* Slide in from bottom */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Glitch effect */
@keyframes glitch1 {
  0%   { clip-path: inset(40% 0 61% 0); transform: translate(-3px, 0); }
  20%  { clip-path: inset(92% 0 1%  0); transform: translate(3px, 0); }
  40%  { clip-path: inset(43% 0 1%  0); transform: translate(3px, 0); }
  60%  { clip-path: inset(25% 0 58% 0); transform: translate(-3px, 0); }
  80%  { clip-path: inset(54% 0 7%  0); transform: translate(-3px, 0); }
  100% { clip-path: inset(58% 0 43% 0); transform: translate(3px, 0); }
}
@keyframes glitch2 {
  0%   { clip-path: inset(24% 0 29% 0); transform: translate(3px, 0); }
  20%  { clip-path: inset(54% 0 28% 0); transform: translate(-3px, 0); }
  40%  { clip-path: inset(11% 0 82% 0); transform: translate(-3px, 0); }
  60%  { clip-path: inset(52% 0 1%  0); transform: translate(3px, 0); }
  80%  { clip-path: inset(79% 0 7%  0); transform: translate(3px, 0); }
  100% { clip-path: inset(4%  0 91% 0); transform: translate(-3px, 0); }
}

/* Neon flicker */
@keyframes neonFlicker {
  0%, 95%, 100% {
    text-shadow: 0 0 8px var(--bleu-neon), 0 0 20px var(--bleu-neon), 0 0 40px rgba(0,245,255,0.3);
    opacity: 1;
  }
  96% { opacity: 0.8; text-shadow: none; }
  97% { opacity: 1; text-shadow: 0 0 8px var(--bleu-neon); }
  98% { opacity: 0.7; text-shadow: none; }
  99% { opacity: 1; text-shadow: 0 0 8px var(--bleu-neon), 0 0 20px var(--bleu-neon); }
}

/* Spin loader */
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Equalizer (3 barres) */
@keyframes eq1 { 0%,100%{height:8px}  25%{height:30px} 50%{height:16px} 75%{height:40px} }
@keyframes eq2 { 0%,100%{height:20px} 25%{height:10px} 50%{height:36px} 75%{height:16px} }
@keyframes eq3 { 0%,100%{height:14px} 25%{height:38px} 50%{height:8px}  75%{height:28px} }

/* ── Classes utilitaires d'animation ── */

.animate-slide-up {
  animation: slideUp 0.6s cubic-bezier(0.4,0,0.2,1) both;
}
.animate-fade-in {
  animation: fadeIn 0.5s ease both;
}
.animate-neon {
  animation: neonFlicker 8s ease-in-out infinite;
}
.animate-glitch {
  position: relative;
}
.animate-glitch::before,
.animate-glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: var(--noir);
}
.animate-glitch::before {
  color: var(--rose-neon);
  animation: glitch1 3s infinite linear;
}
.animate-glitch::after {
  color: var(--bleu-neon);
  animation: glitch2 3s infinite linear;
  animation-delay: 0.1s;
}

/* Stagger children */
.stagger-children > * { opacity: 0; animation: slideUp 0.5s ease forwards; }
.stagger-children > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.6s; }

/* Neon underline hover */
.neon-underline {
  position: relative;
}
.neon-underline::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0%; height: 2px;
  background: var(--bleu-neon);
  box-shadow: var(--glow-bleu);
  transition: width var(--transition);
}
.neon-underline:hover::after { width: 100%; }

/* Loader spinner */
.spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--noir-border);
  border-top-color: var(--bleu-neon);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

/* Success checkmark */
.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: rgba(57,255,20,0.12);
  border: 2px solid var(--vert-neon);
  border-radius: 50%;
  font-size: 1.4rem;
  animation: eggPop 0.4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 0 16px rgba(57,255,20,0.3);
}

/* Floating pixel particles (hero decoration) */
.pixel-particle {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--bleu-neon);
  border-radius: 1px;
  animation: floatParticle var(--dur, 6s) ease-in-out infinite;
  opacity: 0.4;
}
@keyframes floatParticle {
  0%,100% { transform: translateY(0) translateX(0); opacity: 0.4; }
  33%      { transform: translateY(-20px) translateX(8px); opacity: 0.7; }
  66%      { transform: translateY(10px) translateX(-6px); opacity: 0.3; }
}