.floating-envelope {
}

.floating-envelope {
  position: fixed;
  right: 20px;
  bottom: 110px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
  transition: transform .2s;
}

.floating-envelope:hover {
  transform: scale(1.08);
}

/* Optional: nudge on small screens */

@media (max-width:576px) {
  .floating-envelope {
    bottom: 96px;
    right: 16px;
  }
}