/* Modern Micro-animations & Interactive Effects - LC Studio */

/* Scroll Reveal Base */
.reveal {
  opacity: 0;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  will-change: opacity, transform;
}

.reveal-fade {
  transform: translateY(0);
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-down {
  transform: translateY(-40px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal.active {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Interactive Glowing Sfondi */
.glow-container {
  position: relative;
}

.glow-element {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(100px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition-normal);
  background: var(--gradient-glow);
}

[data-theme="light"] .glow-element {
  opacity: 0.12;
  filter: blur(80px);
}

/* Grid overlay background */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(var(--border-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 70%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, #000 70%, transparent 100%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* Glassmorphism premium card hover */
.glass-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  z-index: 1;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), 0 0 20px rgba(139, 92, 246, 0.1);
}

[data-theme="light"] .glass-card:hover {
  box-shadow: var(--shadow-lg), 0 0 20px rgba(139, 92, 246, 0.05);
}

/* Animate background positions for subtle dynamic effect */
@keyframes pulse-slow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.4;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.5;
  }
}

[data-theme="light"] .pulse-slow {
  animation: pulse-slow-light 10s ease-in-out infinite;
}

[data-theme="dark"] .pulse-slow {
  animation: pulse-slow 10s ease-in-out infinite;
}

@keyframes pulse-slow-light {
  0%, 100% {
    transform: scale(1);
    opacity: 0.12;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.18;
  }
}

/* Interactive custom cursor circle (subtle) */
.custom-cursor {
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-violet);
  border-radius: var(--radius-full);
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 10000;
  transition: width 0.2s, height 0.2s, background-color 0.2s, opacity 0.3s;
  opacity: 0;
}

.custom-cursor-dot {
  width: 4px;
  height: 4px;
  background-color: var(--accent-violet);
  border-radius: var(--radius-full);
  position: fixed;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s;
}

/* Only show custom cursor on fine-pointer devices (desktop) */
@media (pointer: fine) {
  body:hover .custom-cursor,
  body:hover .custom-cursor-dot {
    opacity: 1;
  }
}

.custom-cursor.hover {
  width: 40px;
  height: 40px;
  background-color: rgba(139, 92, 246, 0.1);
  border-color: var(--accent-pink);
}

/* Shimmer/Skeleton effect */
.shimmer {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: loading-shimmer 1.5s infinite;
}

@keyframes loading-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}