/* ============================================================
   STRATUMCGI — ANIMATIONS CSS
   Keyframes and animation utility classes
   ============================================================ */

/* ------------------------------------------------------------
   1. KEYFRAMES
   ------------------------------------------------------------ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateX(-50%) translateY(-8px);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

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

/* ------------------------------------------------------------
   2. ANIMATION UTILITIES
   ------------------------------------------------------------ */
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-bounce {
  animation: bounce 1.4s ease infinite;
}

/* Stagger delays for groups */
.stagger-1 { animation-delay: 0.08s; }
.stagger-2 { animation-delay: 0.16s; }
.stagger-3 { animation-delay: 0.24s; }
.stagger-4 { animation-delay: 0.32s; }
.stagger-5 { animation-delay: 0.40s; }
.stagger-6 { animation-delay: 0.48s; }

/* ------------------------------------------------------------
   3. SCROLL-TRIGGERED FADE IN
   ------------------------------------------------------------ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------
   4. HOVER TRANSFORMS
   ------------------------------------------------------------ */
.hover-lift {
  transition: transform var(--transition-slow);
}

.hover-lift:hover {
  transform: translateY(-8px);
}

.hover-scale {
  transition: transform var(--transition-base);
}

.hover-scale:hover {
  transform: scale(1.05);
}

.hover-scale-sm {
  transition: transform var(--transition-base);
}

.hover-scale-sm:hover {
  transform: scale(1.03);
}

/* Image zoom on parent hover */
.hover-scale-img {
  overflow: hidden;
}

.hover-scale-img img {
  transition: transform 0.7s ease;
}

.hover-scale-img:hover img {
  transform: scale(1.1);
}

/* ------------------------------------------------------------
   5. TRANSITION UTILITIES
   ------------------------------------------------------------ */
.transition-all    { transition: all var(--transition-base); }
.transition-colors { transition: color var(--transition-base), background-color var(--transition-base); }
.transition-shadow { transition: box-shadow var(--transition-slow); }
.transition-opacity { transition: opacity var(--transition-base); }
.transition-transform { transition: transform var(--transition-base); }

/* ------------------------------------------------------------
   6. REDUCED MOTION
   ------------------------------------------------------------ */
@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;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }

  .hero-scroll {
    animation: none;
  }
}