/* Keyframe Animations */

/* Pulsing signature bars for the logo concept 04D */
@keyframes pulse-bar-1 {
  0%, 100% { transform: scaleY(1); opacity: 0.8; }
  50% { transform: scaleY(1.35); opacity: 1; }
}

@keyframes pulse-bar-2 {
  0%, 100% { transform: scaleY(1); opacity: 0.7; }
  50% { transform: scaleY(1.5); opacity: 1; }
}

@keyframes pulse-bar-3 {
  0%, 100% { transform: scaleY(1); opacity: 0.85; }
  50% { transform: scaleY(1.25); opacity: 1; }
}

/* Arrow animation */
@keyframes scroll-arrow {
  0% { transform: rotate(45deg) translate(0, 0); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: rotate(45deg) translate(8px, 8px); opacity: 0; }
}

/* Float items animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Glow Pulse animation */
@keyframes glow-pulse {
  0%, 100% { opacity: 0.15; filter: blur(30px); }
  50% { opacity: 0.25; filter: blur(45px); }
}

/* Classes */
.float-elem {
  animation: float 4s ease-in-out infinite;
}

.logo-signature-glow {
  animation: glow-pulse 6s ease-in-out infinite;
}

/* Logo pulse effects for layout (applied in js/animations.js or CSS directly) */
.logo-bar-1 { animation: pulse-bar-1 1.8s ease-in-out infinite; transform-origin: bottom; }
.logo-bar-2 { animation: pulse-bar-2 2.2s ease-in-out infinite; transform-origin: bottom; }
.logo-bar-3 { animation: pulse-bar-3 1.5s ease-in-out infinite; transform-origin: bottom; }

/* Scroll reveal helper classes */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
}

.stagger-item {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Ponto online piscante — status Bia */
@keyframes pulse-online {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--color-green-signal); }
  50% { opacity: 0.4; box-shadow: 0 0 12px var(--color-green-signal); }
}

.status-dot-online {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-green-signal);
  border-radius: 50%;
  animation: pulse-online 1.5s ease-in-out infinite;
}
@media (max-width: 768px) {
  .stagger-item {
    opacity: 1;
    transform: translateY(0);
  }
  .fade-up {
    opacity: 1;
    transform: translateY(0);
  }
}