/* ══════════════════════════════════════════
   WHATSAPP FLOATING BUTTON
══════════════════════════════════════════ */

.wa-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 8000;
    display: flex;
    align-items: center;
    gap: .75rem;
    cursor: pointer;
    text-decoration: none;
}

/* Botão principal */
.wa-btn {
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(37, 211, 102, .45), 0 2px 8px rgba(0, 0, 0, .12);
    transition: transform .32s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow .32s ease;
    position: relative;
    flex-shrink: 0;
}

/* Pulse ring */
.wa-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, .5);
    animation: wa-pulse 2.4s ease-in-out infinite;
}

.wa-btn::after {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 1.5px solid rgba(37, 211, 102, .25);
    animation: wa-pulse 2.4s .6s ease-in-out infinite;
}

@keyframes wa-pulse {
    0% {
        transform: scale(.9);
        opacity: 1;
    }

    70% {
        transform: scale(1.2);
        opacity: 0;
    }

    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.wa-btn:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 12px 36px rgba(37, 211, 102, .55), 0 4px 12px rgba(0, 0, 0, .12);
}

.wa-btn svg {
    color: #fff;
    flex-shrink: 0;
}

/* Tooltip label */
.wa-label {
    background: #fff;
    color: #1A0F0E;
    font-family: var(--sans);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .04em;
    padding: .5rem .9rem;
    border-radius: 100px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, .12);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity .28s ease, transform .28s var(--ease);
    pointer-events: none;
}

.wa-float:hover .wa-label {
    opacity: 1;
    transform: translateX(0);
}

/* Entrada animada */
.wa-float {
    opacity: 0;
    transform: translateY(20px);
    animation: wa-enter .6s 2s var(--ease) forwards;
}

@keyframes wa-enter {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile: menor e sem label */
@media (max-width: 600px) {
    .wa-float {
        bottom: 1.4rem;
        right: 1.4rem;
    }

    .wa-btn {
        width: 52px;
        height: 52px;
    }

    .wa-label {
        display: none;
    }
}