/* ==========================================================================
   Animations & Scroll Reveal
   ========================================================================== */

/* Scroll reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.6s var(--ease-out-expo),
              transform 0.6s var(--ease-out-expo);
}

[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0s; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 0.08s; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 0.16s; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 0.24s; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 0.32s; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 0.40s; }

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Fade in from left/right */
[data-reveal="left"] {
  transform: translateX(-2rem);
}
[data-reveal="right"] {
  transform: translateX(2rem);
}
[data-reveal="left"].revealed,
[data-reveal="right"].revealed {
  transform: translateX(0);
}

/* Scale in */
[data-reveal="scale"] {
  transform: scale(0.95);
}
[data-reveal="scale"].revealed {
  transform: scale(1);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal-stagger] > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Gradient border animation for featured cards */
@keyframes borderGlow {
  0%, 100% { border-color: var(--color-border); }
  50% { border-color: rgba(4, 196, 217, 0.3); }
}

.animate-border {
  animation: borderGlow 4s ease-in-out infinite;
}

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

.animate-float {
  animation: float 6s ease-in-out infinite;
}

/* Pulse glow */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 var(--color-cyan-glow); }
  50% { box-shadow: 0 0 40px 10px var(--color-cyan-glow); }
}