.side-buttons{
    position:fixed;
    right:14px;
    top:50%;
    transform:translateY(-50%);
    display:flex;
    flex-direction:column;
    gap:10px;
    z-index:999;
  }
  
  /* base button */
  .side-btn{
    width:40px;
    height:40px;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    color:#fff;
    box-shadow:0 6px 18px rgba(0,0,0,0.15);
    transition:0.2s;
  }
  
  /* WhatsApp style */
  .side-btn.whatsapp{
    background:#363636;
  }
  
  /* Email style */
  .side-btn.email{
    background:#2C5F8A;
  }
  
  /* hover effect */
  .side-btn:hover{
    transform:translateX(-4px) scale(1.05);
  }
  
  /* icon size */
  .side-btn svg{
    width:18px;
    height:18px;
  }