:root {
  --accent: #d97706;
  --accent-dark: #b45309;
  --primary: #18181b;
  --white: #ffffff;
}

.floating-contact {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 998;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.float-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  position: relative;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
}

.float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.float-phone {
  background: #16a34a;
  animation: pulse-phone 2s infinite;
}

@keyframes pulse-phone {
  0% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.6); }
  70% { box-shadow: 0 0 0 14px rgba(22, 163, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

.float-zalo {
  background: #0068ff;
}

.zalo-text {
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.float-messenger {
  background: #0084ff;
}

.float-booking {
  background: var(--accent);
}

.float-backtotop {
  background: var(--primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.float-backtotop.show {
  opacity: 1;
  pointer-events: auto;
}

.float-tooltip {
  position: absolute;
  right: 60px;
  background: rgba(9, 9, 11, 0.9);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.float-btn:hover .float-tooltip {
  opacity: 1;
}

@media (max-width: 576px) {
  .floating-contact {
    bottom: 16px;
    right: 16px;
    gap: 10px;
  }
  .float-btn {
    width: 44px;
    height: 44px;
    font-size: 1.05rem;
  }
}