/* ==========================================================================
   PRITI YADAV PORTFOLIO - KEYFRAME ANIMATIONS & TRANSITIONS
   Refined for White + Purple Digital Agency Aesthetic
   ========================================================================== */

/* 1. Pulse Indicator */
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.65;
  }
}

/* 2. Gentle Floating for Tech Badges */
@keyframes float-gentle {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-6px);
  }
}

.float-anim {
  animation: float-gentle 4s ease-in-out infinite;
}

/* 3. Spinner */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner {
  animation: spin 0.8s linear infinite;
}

/* 4. Slide Up */
@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: slide-up 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 5. Shimmer Skeleton for Preloaders (Light Lavender Theme) */
@keyframes shimmer-sweep {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

.cert-shimmer {
  pointer-events: none;
}

.shimmer-img {
  width: 100%;
  aspect-ratio: 16 / 11;
  background: linear-gradient(90deg, #F6F2FF 25%, #EDE7FA 50%, #F6F2FF 75%);
  background-size: 200% 100%;
  animation: shimmer-sweep 1.6s infinite;
}

.shimmer-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.shimmer-line {
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, #F6F2FF 25%, #EDE7FA 50%, #F6F2FF 75%);
  background-size: 200% 100%;
  animation: shimmer-sweep 1.6s infinite;
}

.shimmer-line.short {
  width: 35%;
}

.shimmer-line.title {
  width: 75%;
  height: 18px;
}

.shimmer-line.desc {
  width: 90%;
}

.shimmer-line.btn-line {
  width: 100%;
  height: 36px;
  border-radius: 8px;
  margin-top: 6px;
}

/* 6. Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

/* 7. Respect Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}