/* ============================================
   MAKE YOUR WORLD - Animations
   GPU-accelerated, performant animations
   ============================================ */

/* ---------- Scroll Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

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

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 500ms; }

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

/* Slide variants */
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale variant */
.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ---------- Hover Effects ---------- */
.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(36, 128, 250, 0.2);
}

/* ---------- Button Animations ---------- */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::after {
  width: 300px;
  height: 300px;
}

/* Arrow animation on links */
.arrow-animate svg {
  transition: transform var(--transition-fast);
}

.arrow-animate:hover svg {
  transform: translateX(4px);
}

/* ---------- Icon Animations ---------- */
.icon-bounce {
  transition: transform var(--transition-spring);
}

.icon-bounce:hover {
  transform: translateY(-3px);
}

.icon-rotate {
  transition: transform var(--transition-base);
}

.icon-rotate:hover {
  transform: rotate(10deg);
}

/* ---------- Underline Animation ---------- */
.underline-hover {
  position: relative;
}

.underline-hover::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-base);
}

.underline-hover:hover::after {
  width: 100%;
}

/* ---------- Pulse Animation ---------- */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

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

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

/* ---------- Gradient Shift ---------- */
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-animate {
  background-size: 200% 200%;
  animation: gradient-shift 4s ease infinite;
}

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

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(36, 128, 250, 0.2);
  border-top-color: var(--blue-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ---------- Counter Animation ---------- */
.counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* ---------- Hero Particles Background ---------- */
@keyframes particle-float {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% {
    transform: translateY(-100vh) translateX(50px);
    opacity: 0;
  }
}

/* ---------- Smooth page transition ---------- */
.page-transition {
  animation: page-fade 0.4s ease;
}

@keyframes page-fade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Apply page transition to main content */
main {
  animation: page-fade 0.3s ease;
}