/* 
 * MICRO-INTERAÇÕES PREDITIVAS
 * Hover Parallax + Magnetic Buttons
 * +40% tempo de página (Gnar/VeilSun data)
 * Signature de estúdios premium
 */

/* Magnetic Button Base */
.btn-magnetic {
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  cursor: pointer;
}

.btn-magnetic:hover {
  z-index: 10;
}

/* Smooth return animation */
.btn-magnetic {
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Magnetic effect on different button types */
.btn-primary.btn-magnetic,
.btn-secondary.btn-magnetic,
.btn-primary-hero.btn-magnetic,
.btn-secondary-hero.btn-magnetic {
  transform-origin: center;
}

/* Enhanced hover state for magnetic buttons */
.btn-magnetic:hover {
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

/* Magnetic cursor follower effect */
.btn-magnetic::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  opacity: 0;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.2), transparent 70%);
  transition: opacity 0.3s;
  pointer-events: none;
}

.btn-magnetic:hover::before {
  opacity: 1;
}

/* Bento Card Hover Parallax */
.bento-card {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
  transform-style: preserve-3d;
}

.bento-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Glass Card Hover Parallax */
.glass-card.hover-parallax {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card.hover-parallax:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

/* Card 3D Tilt Effect */
.card-tilt {
  transition: transform 0.2s ease-out;
  transform-style: preserve-3d;
  will-change: transform;
}

.card-tilt:hover {
  transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
}

/* Smooth tilt animation controlled by JS */
.card-tilt.tilting {
  transition: transform 0.1s ease-out;
}

/* Inner content for parallax depth */
.card-tilt-content {
  transform: translateZ(20px);
  transition: transform 0.2s ease-out;
}

/* Button Scale Pulse on Hover */
.btn-pulse {
  animation: none;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-pulse:hover {
  animation: pulse-scale 1s ease-in-out infinite;
}

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

/* Ripple Effect on Click */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* Hover Lift with Shadow */
.hover-lift-3d {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.hover-lift-3d::after {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity 0.3s;
}

.hover-lift-3d:hover {
  transform: translateY(-12px);
}

.hover-lift-3d:hover::after {
  opacity: 0.4;
}

/* Cursor Follow Spotlight */
.spotlight-card {
  position: relative;
  overflow: hidden;
}

.spotlight-card::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
  transform: translate(-50%, -50%);
}

.spotlight-card:hover::before {
  opacity: 1;
}

/* Image Zoom on Hover */
.image-zoom {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.image-zoom img {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

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

/* Text Gradient Shift on Hover */
.text-gradient-shift {
  background: linear-gradient(90deg, 
    var(--color-primary), 
    var(--color-secondary), 
    var(--color-accent),
    var(--color-primary)
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: background-position 0.5s ease;
}

.text-gradient-shift:hover {
  background-position: 100% center;
}

/* Link Underline Expand */
.link-expand {
  position: relative;
  display: inline-block;
}

.link-expand::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-expand:hover::after {
  width: 100%;
}

/* Icon Rotate on Hover */
.icon-rotate {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.icon-rotate:hover {
  transform: rotate(15deg) scale(1.1);
}

/* Stagger Hover Children */
.stagger-hover > * {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stagger-hover:hover > *:nth-child(1) { transform: translateY(-4px); transition-delay: 0s; }
.stagger-hover:hover > *:nth-child(2) { transform: translateY(-4px); transition-delay: 0.05s; }
.stagger-hover:hover > *:nth-child(3) { transform: translateY(-4px); transition-delay: 0.1s; }
.stagger-hover:hover > *:nth-child(4) { transform: translateY(-4px); transition-delay: 0.15s; }

/* Border Draw Animation */
.border-draw {
  position: relative;
}

.border-draw::before,
.border-draw::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.border-draw::before {
  top: 0;
  left: 0;
}

.border-draw::after {
  bottom: 0;
  right: 0;
}

.border-draw:hover::before,
.border-draw:hover::after {
  width: 100%;
}

/* Glow Pulse on Hover */
.glow-pulse {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glow-pulse:hover {
  box-shadow: 
    0 0 20px rgba(99, 102, 241, 0.4),
    0 0 40px rgba(99, 102, 241, 0.2),
    0 0 60px rgba(99, 102, 241, 0.1);
  animation: glow-pulse-animation 2s ease-in-out infinite;
}

@keyframes glow-pulse-animation {
  0%, 100% {
    box-shadow: 
      0 0 20px rgba(99, 102, 241, 0.4),
      0 0 40px rgba(99, 102, 241, 0.2);
  }
  50% {
    box-shadow: 
      0 0 30px rgba(99, 102, 241, 0.6),
      0 0 60px rgba(99, 102, 241, 0.4),
      0 0 80px rgba(99, 102, 241, 0.2);
  }
}

/* Skew on Hover */
.skew-hover {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.skew-hover:hover {
  transform: skewY(-2deg) translateY(-4px);
}

/* Responsive - Disable complex effects on mobile for performance */
@media (max-width: 768px) {
  .btn-magnetic,
  .card-tilt,
  .hover-lift-3d,
  .spotlight-card::before {
    transform: none !important;
  }
  
  .btn-magnetic:hover,
  .bento-card:hover,
  .glass-card.hover-parallax:hover {
    transform: translateY(-4px) scale(1.01);
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .btn-magnetic,
  .bento-card,
  .glass-card.hover-parallax,
  .card-tilt,
  .hover-lift-3d,
  .image-zoom img,
  .text-gradient-shift,
  .link-expand::after,
  .icon-rotate,
  .stagger-hover > *,
  .border-draw::before,
  .border-draw::after,
  .glow-pulse,
  .skew-hover {
    transition: none !important;
    animation: none !important;
    transform: none !important;
  }
}

/* Performance optimizations */
.btn-magnetic,
.bento-card,
.glass-card.hover-parallax,
.card-tilt,
.image-zoom img {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}