/**
 * Alpha Delving — Animations & Scroll Effects
 * Rekolet-inspired scroll-driven reveals, fade-ins, and glow transitions
 */

/* ==========================================================================
   1. SCROLL REVEAL — Fade-up on enter
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Staggered children reveals */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.19s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.26s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.33s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.40s; }

.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}


/* ==========================================================================
   3. CARD HOVER LIFT
   ========================================================================== */
.card-hover {
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-border-hover);
}

/* ==========================================================================
   4. GLOW PULSE (for CTA or hero accent)
   ========================================================================== */
@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 160, 233, 0.15),
                0 0 60px rgba(0, 160, 233, 0.05);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 160, 233, 0.25),
                0 0 80px rgba(0, 160, 233, 0.10);
  }
}

.glow-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

/* ==========================================================================
   5. SOCIAL BAR SLIDE-UP
   ========================================================================== */
@keyframes slide-up-social {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.social-bar-animate {
  animation: slide-up-social 0.6s 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}