/* ==========================================================================
   WISTERRA ANIMATIONS STYLESHEET
   High-performance transitions, keyframes, scroll-reveals & premium micro-motions
   ========================================================================== */

@import url('./variables.css');

/* --------------------------------------------------------------------------
   1. SCROLL-REVEAL SYSTEM (JS-TRIGGERED INTERSECTIONOBSERVER)
   -------------------------------------------------------------------------- */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered Delay Utilities */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }
.delay-600 { transition-delay: 600ms; }

/* Left & Right slide entrance reveals */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
}

.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Zoom entrance reveals */
.reveal-zoom {
  opacity: 0;
  transform: scale(0.95);
}

.reveal-zoom.visible {
  opacity: 1;
  transform: scale(1);
}

/* --------------------------------------------------------------------------
   2. KEYFRAME-DRIVEN DYNAMIC MOTION GRAPHICS
   -------------------------------------------------------------------------- */

/* Quiet static placement for elite corporate visual balance */
.animate-float {
  transform: none;
}

.animate-float-slow {
  transform: none;
}

.animate-float-reverse {
  transform: none;
}

/* Static, elegant visual anchor without active glowing pulses */
.animate-gold-pulse {
  box-shadow: none;
}

/* Spin animation for icons or loading triggers */
.animate-spin-custom {
  animation: spin 12s linear infinite;
}

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

/* Fade-in animation for tab transitions or dynamic DOM switches */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-active {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Shimmer Loading state representation */
.shimmer {
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.03) 25%, 
    rgba(255, 255, 255, 0.08) 50%, 
    rgba(255, 255, 255, 0.03) 75%
  );
  background-size: 200% 100%;
  animation: shimmer-swipe 1.5s infinite;
}

.shimmer-dark {
  background: linear-gradient(90deg, 
    rgba(11, 17, 32, 0.5) 25%, 
    rgba(15, 118, 110, 0.1) 50%, 
    rgba(11, 17, 32, 0.5) 75%
  );
  background-size: 200% 100%;
  animation: shimmer-swipe 1.5s infinite;
}

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