/* WHATSAPP FLOATING BUTTON */

.whatsapp-float {
    position: fixed;
    bottom: 140px;
    right: 30px;
    width: 75px;
    height: 75px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
    color: var(--white);
    text-decoration: none;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: all var(--transition-normal);
    animation: float 3s ease-in-out infinite;
}

.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.3);
    animation: ripple 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.6);
    color: var(--white);
    text-decoration: none;
}

.whatsapp-float:focus,
.whatsapp-float:active {
    color: var(--white);
    text-decoration: none;
    outline: none;
}

.whatsapp-float i {
    position: relative;
    z-index: 1;
    animation: shake 1s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@keyframes shake {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: rotate(-10deg);
    }
    20%, 40%, 60%, 80% {
        transform: rotate(10deg);
    }
}