* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  color: #0f172a;
  background: #ffffff;
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
}

.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 24px;
  right: 24px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 2000; /* Stays above header and drawer */
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all 0.3s ease;
  
  /* Entrance animation */
  animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) 1.5s both;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-5px);
  background-color: #128c7e;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0); }
  to { opacity: 1; transform: scale(1); }
}

/* Ensure it doesn't block important elements on very small screens */
@media (max-width: 480px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 16px;
    right: 16px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}