/* ==========================================================================
   PC BYTES - Animations & Keyframes
   All animation definitions and scroll-animation utility classes
   ========================================================================== */

/* -----------------------------------------------------------------------
   Keyframes
   ----------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50%      { box-shadow: 0 0 40px var(--primary-glow-strong); }
}

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

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

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

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

@keyframes heartbeat {
  0%   { transform: scale(1); }
  14%  { transform: scale(1.3); }
  28%  { transform: scale(1); }
  42%  { transform: scale(1.3); }
  70%  { transform: scale(1); }
  100% { transform: scale(1); }
}

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

/* -----------------------------------------------------------------------
   Scroll Animation Classes
   JS adds .animated when element enters viewport
   ----------------------------------------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* -----------------------------------------------------------------------
   Skeleton Shimmer
   ----------------------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 25%,
    var(--bg-hover) 50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* -----------------------------------------------------------------------
   Toast Animations
   ----------------------------------------------------------------------- */
.toast {
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              opacity 0.35s ease;
}

.toast--visible {
  transform: translateX(0);
  opacity: 1;
}

.toast--exit {
  transform: translateX(120%);
  opacity: 0;
}

/* -----------------------------------------------------------------------
   Hero Slide Transition
   ----------------------------------------------------------------------- */
.hero__slide {
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero__slide.active {
  opacity: 1;
}