.category-card,
.product-card,
.event-card {
  position: relative;
}

.category-card::after,
.product-card::after,
.event-card::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan), var(--accent-purple), var(--accent-blue));
  border-radius: 22px;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
  background-size: 400% 400%;
  animation: gradientShift 3s ease infinite;
}

.category-card:hover::after,
.product-card:hover::after,
.event-card:hover::after {
  opacity: 1;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.puzzle-loader {
  width: 60px;
  height: 60px;
  position: relative;
  margin: 20px auto;
}

.puzzle-loader::before,
.puzzle-loader::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  background: var(--accent-blue);
  clip-path: polygon(0% 0%, 100% 0%, 100% 75%, 75% 75%, 75% 100%, 50% 75%, 0% 75%);
  animation: puzzleMove 2s ease-in-out infinite;
}

.puzzle-loader::before {
  top: 0;
  left: 0;
  animation-delay: 0s;
}

.puzzle-loader::after {
  bottom: 0;
  right: 0;
  animation-delay: 1s;
}

@keyframes puzzleMove {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    transform: translate(10px, -10px) rotate(90deg);
  }
  50% {
    transform: translate(0, -20px) rotate(180deg);
  }
  75% {
    transform: translate(-10px, -10px) rotate(270deg);
  }
}

.puzzle-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.puzzle-bg-piece {
  position: absolute;
  width: 20px;
  height: 20px;
  background: linear-gradient(45deg, var(--accent-blue), var(--accent-cyan));
  clip-path: polygon(0% 0%, 100% 0%, 100% 75%, 75% 75%, 75% 100%, 50% 75%, 0% 75%);
  opacity: 0.1;
  animation: floatPuzzle 8s ease-in-out infinite;
}

.puzzle-bg-piece:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.puzzle-bg-piece:nth-child(2) { top: 20%; right: 15%; animation-delay: 1s; }
.puzzle-bg-piece:nth-child(3) { top: 40%; left: 5%; animation-delay: 2s; }
.puzzle-bg-piece:nth-child(4) { top: 60%; right: 10%; animation-delay: 3s; }
.puzzle-bg-piece:nth-child(5) { top: 80%; left: 20%; animation-delay: 4s; }
.puzzle-bg-piece:nth-child(6) { bottom: 10%; right: 5%; animation-delay: 5s; }
.puzzle-bg-piece:nth-child(7) { bottom: 30%; left: 15%; animation-delay: 6s; }
.puzzle-bg-piece:nth-child(8) { bottom: 50%; right: 25%; animation-delay: 7s; }

@keyframes floatPuzzle {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
    opacity: 0.1;
  }
  25% {
    transform: translateY(-20px) rotate(90deg);
    opacity: 0.2;
  }
  50% {
    transform: translateY(-40px) rotate(180deg);
    opacity: 0.15;
  }
  75% {
    transform: translateY(-20px) rotate(270deg);
    opacity: 0.2;
  }
}

.neon-text {
  color: var(--accent-blue);
  text-shadow: 
    0 0 5px var(--accent-blue),
    0 0 10px var(--accent-blue),
    0 0 15px var(--accent-blue),
    0 0 20px var(--accent-blue);
  animation: neonPulse 2s ease-in-out infinite alternate;
}

@keyframes neonPulse {
  from {
    text-shadow: 
      0 0 5px var(--accent-blue),
      0 0 10px var(--accent-blue),
      0 0 15px var(--accent-blue),
      0 0 20px var(--accent-blue);
  }
  to {
    text-shadow: 
      0 0 2px var(--accent-blue),
      0 0 5px var(--accent-blue),
      0 0 8px var(--accent-blue),
      0 0 12px var(--accent-blue);
  }
}

.magnetic-btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.magnetic-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.magnetic-btn:hover::before {
  width: 300px;
  height: 300px;
}

.puzzle-cursor {
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 20 20"><polygon points="0,0 20,0 20,15 15,15 15,20 10,15 0,15" fill="%234FC3F7"/></svg>') 10 10, auto;
}

.glitch {
  position: relative;
  animation: glitch 1s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  animation: glitch-1 0.5s infinite;
  color: var(--accent-cyan);
  z-index: -1;
}

.glitch::after {
  animation: glitch-2 0.5s infinite;
  color: var(--accent-purple);
  z-index: -2;
}

@keyframes glitch {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitch-1 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
}

@keyframes glitch-2 {
  0%, 100% { transform: translate(0); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(2px, 2px); }
  60% { transform: translate(-2px, -2px); }
  80% { transform: translate(-2px, 2px); }
}

.holographic {
  background: linear-gradient(
    45deg,
    var(--accent-blue) 0%,
    var(--accent-cyan) 25%,
    var(--accent-purple) 50%,
    var(--accent-mint) 75%,
    var(--accent-blue) 100%
  );
  background-size: 400% 400%;
  animation: holographicShift 3s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes holographicShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.particle-btn {
  position: relative;
  overflow: hidden;
}

.particle-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  transform: scale(0);
  transition: transform 0.3s ease;
}

.particle-btn:hover::before {
  transform: scale(2);
}

@media (max-width: 768px) {
  .puzzle-bg-piece {
    width: 15px;
    height: 15px;
  }
  
  .puzzle-loader {
    width: 40px;
    height: 40px;
  }
  
  .puzzle-loader::before,
  .puzzle-loader::after {
    width: 20px;
    height: 20px;
  }
}

@media (prefers-color-scheme: dark) {
  .puzzle-bg-piece {
    opacity: 0.15;
  }
  
  .neon-text {
    text-shadow: 
      0 0 5px var(--accent-blue),
      0 0 10px var(--accent-blue),
      0 0 15px var(--accent-blue),
      0 0 20px var(--accent-blue),
      0 0 25px var(--accent-blue);
  }
}

@media (prefers-reduced-motion: reduce) {
  .puzzle-bg-piece,
  .puzzle-loader::before,
  .puzzle-loader::after,
  .neon-text,
  .glitch,
  .holographic {
    animation: none;
  }
  
  .category-card::after,
  .product-card::after,
  .event-card::after {
    animation: none;
  }
}