.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
}

.whatsapp-float__icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 20px rgba(37, 211, 102, 0.25),
        0 0 0 0 rgba(37, 211, 102, 0.3),
        inset 0 1px 0 rgba(255,255,255,0.15);
    transition: all 0.5s var(--ease-out-expo);
    position: relative;
    z-index: 2;
}

.whatsapp-float__icon svg {
    fill: var(--white);
    transition: transform 0.5s var(--ease-spring);
}

.whatsapp-float:hover .whatsapp-float__icon {
    transform: scale(1.12) translateY(-2px);
    box-shadow:
        0 8px 32px rgba(37, 211, 102, 0.35),
        0 0 60px rgba(37, 211, 102, 0.1),
        inset 0 1px 0 rgba(255,255,255,0.2);
}

.whatsapp-float:hover .whatsapp-float__icon svg {
    transform: rotate(-10deg) scale(1.05);
}

.whatsapp-float__pulse {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.2);
    animation: wa-pulse 2.5s ease-out infinite;
}

@keyframes wa-pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(2.2); opacity: 0; }
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 74px;
    padding: 10px 18px;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(24px) saturate(1.5);
    -webkit-backdrop-filter: blur(24px) saturate(1.5);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px) scale(0.96);
    transition: all 0.5s var(--ease-out-expo);
    pointer-events: none;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    letter-spacing: -0.01em;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    transform: translateX(0) scale(1);
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-float__icon {
        width: 54px;
        height: 54px;
    }
    .whatsapp-float__pulse {
        width: 54px;
        height: 54px;
    }
    .whatsapp-float__tooltip {
        display: none;
    }
}