/* WhatsApp FAB */
.wa-fab-container {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 9999; /* subimos más alto que overlays */
    width: auto; /* FIX: no encerrar opciones dentro de wa-size */
}

.wa-fab-main {
    position: relative;
    z-index: 2;
    width: var(--wa-size);
    height: var(--wa-size);
    background: #25D366;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(0,0,0,.25);
    cursor: pointer;
    transition: transform .15s, box-shadow .15s;
}

    .wa-fab-main:hover {
        transform: translateY(-2px)
    }

.wa-options {
    position: absolute;
    right: calc(var(--wa-size) + 10px);
    bottom: 0;
    display: flex;
    flex-direction: row-reverse;
    gap: .6rem;
    opacity: 0;
    pointer-events: none;
    transform: translateX(20px);
    transition: opacity .25s, transform .25s;
    z-index: 3;
}

    /* evitamos colisión con .show de Bootstrap */
    .wa-options.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateX(0);
    }

.wa-option {
    color: #fff;
    font-weight: 700;
    padding: .7rem 1rem;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.18);
    white-space: nowrap;
}

.wa-hint {
    position: absolute;
    left: 50%;
    bottom: calc(var(--wa-size) + 5px);
    transform: translateX(-50%);
    max-width: 260px;
    background: #1f2937;
    color: #fff;
    border-radius: 12px;
    padding: .75rem .9rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    z-index: 1;
}

    .wa-hint::after {
        content: "";
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: -8px;
        border: 8px solid transparent;
        border-top-color: #1f2937;
    }

@media (max-width:575.98px) {
    :root {
        --wa-size: 70px;
    }

    /* FIX: apilar opciones (verde arriba / rojo abajo) y que no se salga */
    .wa-options {
        right: 0;
        bottom: calc(var(--wa-size) + 12px);
        flex-direction: column;
        align-items: stretch;
        gap: .6rem;
        /* animación vertical */
        transform: translateY(12px);
        /* evitar desborde en móvil */
        max-width: calc(100vw - 24px);
    }

        .wa-options.is-open {
            transform: translateY(0);
        }

    .wa-option {
        width: min(320px, calc(100vw - 24px));
        min-width: 0;
        font-size: .95rem;
        justify-content: center;
        white-space: normal;
        text-align: center;
        text-decoration: none;
    }

    .wa-hint {
        max-width: min(320px, calc(100vw - 24px));
        bottom: calc(var(--wa-size) + 16px);
    }
}