.contact-widget {
  position: fixed;
  bottom: 100px;
  right: 20px;
  z-index: 9999;
}

.main-button i {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #a44e36;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.main-button img {
  width: 40px;
  height: 40px;
}

.menu {
  display: none;
  flex-direction: column;
  gap: 10px;
  background: white;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  position: absolute;
  bottom: 70px;
  right: 0;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}


.menu-item i,
.menu-item img {
  width: 24px;
  height: 24px;
  display: inline-block;
  object-fit: contain; /* cho ảnh khỏi méo */
  text-align: center;
  font-size: 24px;
}


@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  15% { transform: rotate(12deg); }
  30% { transform: rotate(-12deg); }
  45% { transform: rotate(10deg); }
  60% { transform: rotate(-10deg); }
  75% { transform: rotate(6deg); }
  90% { transform: rotate(-6deg); }
}

.main-button {
  position: relative;
  animation: shake 1.2s infinite ease-in-out;
  animation-delay: 3s; /* rung sau mỗi 3s */
}

/* Sóng xung kích */
.main-button::before {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  left: 0;
  top: 0;
  border-radius: 50%;
  background-color: rgba(164, 78, 54, 0.7); /* giống màu nền */
  animation: pulse 2s infinite;
  z-index: -1;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  70% {
    transform: scale(1.6);
    opacity: 0;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}
.icon-wrapper {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
}


.bg-0 {
  background-color: #8B4513; /* Phone */
}
.bg-1 {
  background-color: #0078FF; /* Messenger */
}
.bg-2 {
  background-color: #2EA8FF; /* Zalo */
}