/* ============================================================
   FADE-IN ANIMATION (Intersection Observer)
============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Delay helpers */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================================
   KEYFRAME ANIMATIONS
============================================================ */
@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 14, 145, 0.3); }
  50%       { box-shadow: 0 0 0 8px rgba(196, 14, 145, 0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(-5deg); }
  50%       { transform: translateY(-16px) rotate(-5deg); }
}

@keyframes float-reverse {
  0%, 100% { transform: translateY(0px) rotate(8deg); }
  50%       { transform: translateY(-12px) rotate(8deg); }
}

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

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.7; }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}