.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 8999;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25), 0 0 0 0 rgba(37, 211, 102, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-decoration: none;
    animation: pulse-glow 2s infinite;
}

/* Efeito de pulsação suave e moderna */
@keyframes pulse-glow {
    0% {
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(37, 211, 102, 0.6);
    }

    70% {
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 0 0 12px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Ícone SVG interno (WhatsApp) - responsivo */
.whatsapp-float svg {
    width: 34px;
    height: 34px;
    fill: white;
    transition: transform 0.2s ease;
}

/* Efeito hover: leve aumento e mudança de fundo */
.whatsapp-float:hover {
    transform: scale(1.08);
    background-color: #20b859;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
    animation: none; /* pausa a animação de pulsar no hover para suavidade */
}

    .whatsapp-float:hover svg {
        transform: scale(1.02);
    }

/* Tooltip sutil (opcional) que aparece ao passar o mouse */
.whatsapp-float::after {
    content: "Fale conosco";
    position: absolute;
    right: 70px;
    background: #1f2a3e;
    color: white;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 30px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    font-family: 'Segoe UI', sans-serif;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    letter-spacing: 0.3px;
}

.whatsapp-float:hover::after {
    opacity: 1;
    visibility: visible;
    right: 78px;
}

/* Ajuste para telas muito pequenas (mobile) */
@media (max-width: 550px) {
    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: 20px;
        right: 20px;
    }

        .whatsapp-float svg {
            width: 30px;
            height: 30px;
        }

        .whatsapp-float::after {
            font-size: 0.7rem;
            padding: 4px 10px;
            right: 65px;
        }

        .whatsapp-float:hover::after {
            right: 70px;
        }

    .container {
        padding: 20px 16px;
    }

    h1 {
        font-size: 1.7rem;
    }
}

.whatsapp-float:active {
    transform: scale(0.96);
    transition: transform 0.05s;
}