/* ==========================================================================
   ANUBHAV KASHYAP PORTFOLIO — CINEMATIC ANIMATIONS & 3D SYSTEM
   ========================================================================== */

/* Keyframe Animations */
@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

@keyframes float-subtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.08); }
}

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

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

/* Scroll Reveal Classes (Driven by IntersectionObserver in JS) */
.reveal-init {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* 3D Perspective Utility */
.perspective-container {
  perspective: 1000px;
}

.card-3d-tilt {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}

/* Subtle Shimmer for Highlighting */
.shimmer-badge {
  background: linear-gradient(90deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.12) 50%, rgba(255,255,255,0.03) 100%);
  background-size: 200% 100%;
  animation: shimmer 4s infinite linear;
}

/* Magnetic Button Hover Effect */
.magnetic-btn {
  display: inline-block;
  transition: transform 0.2s ease-out;
}

/* Prefers-Reduced-Motion Guard for Accessibility */
@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-init {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-canvas {
    display: none !important;
  }
}