.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.category-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  min-height: 200px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-style: preserve-3d;
}

.category-card:hover {
  transform: translateY(0px) rotate3d(1, -0.3, 0, 8deg);
  box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.category-image {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
  mix-blend-mode: multiply;
  transition: transform 0.4s;
}

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

.dynamic-border {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 2px;
  background: linear-gradient( 45deg, rgba(255,255,255,0.3), rgba(255,255,255,0.1), rgba(255,255,255,0.3));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: gradientFlow 6s infinite linear;
  opacity: 0;
  transition: opacity 0.3s;
}

.category-card:hover .dynamic-border {
  opacity: 1;
}

.category-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg,rgba(0,0,0,0.25) 0%,transparent 60%);
}

.category-content {
  box-sizing: border-box;
  position: relative;
  z-index: 2;
  padding: 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-name {
  font-size: 1.4rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 2px 6px rgba(0,0,0,0.3);
  line-height: 1.3;
  transform: translateY(20px);
  transition: transform 0.4s;
}

.category-card:hover .category-name {
  transform: translateY(0);
}

.category-count {
  background: rgba(255,255,255,0.9);
  color: var(--text-color);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.9rem;
  align-self: flex-start;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s 0.1s;
}

.category-card:hover .category-count {
  opacity: 1;
  transform: translateY(0);
}

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