.whatsapp-float {
      position: fixed;
      width: 60px;
      height: 60px;
      bottom: 25px;
      right: 25px;
      z-index: 999;
      background: #25d366;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 10px rgba(0,0,0,0.2);
      transition: box-shadow 0.2s;
    }
    .whatsapp-float:hover {
      box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    }
    .whatsapp-float img {
      width: 35px;
      height: 35px;
    }
    .card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}
.concept-item img {
  transition: transform 0.3s ease;
}

.concept-item img:hover {
  transform: scale(1.1);
}
.concept-item img:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}