@keyframes guia-float-slow {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-20px) rotate(5deg); }
          }
          @keyframes guia-float-slower {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(20px) rotate(-5deg); }
          }
          @keyframes scan {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(80px); }
          }
          .guia-float { animation: guia-float-slow 6s ease-in-out infinite; }
          .guia-float-delayed { animation: guia-float-slower 8s ease-in-out infinite; }