.sticky-btn {
  position: fixed;
  bottom: 20px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sticky-btn i {
  font-size: 22px;
  line-height: 1;
}

.sticky-btn svg {
  width: 24px;
  height: 24px;
  display: block;
  fill: #ffffff;
}

/* Bigger WhatsApp glyph */
.sticky-whatsapp svg {
  width: 30px;
  height: 30px;
}

.sticky-call {
  left: 16px;
  background: #F59E0B; /* site primary */
}

.sticky-whatsapp {
  right: 16px;
  background: #25D366; /* WhatsApp green */
}

.sticky-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

@media (min-width: 992px) {
  .sticky-btn {
    bottom: 28px;
    width: 60px;
    height: 60px;
  }

  .sticky-btn i {
    font-size: 24px;
  }

  .sticky-whatsapp svg {
    width: 34px;
    height: 34px;
  }
}