/* Botão flutuante de WhatsApp - presente em todas as páginas */
/* Segue o sistema visual do DESIGN.md: vermelho racionado (Command Red),
   cantos quase retos, sombra ambiente, hover que assenta em vez de brilhar. */

.wa-float-btn {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 54px;
    height: 54px;
    background: #c1191d;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 5px rgba(0, 0, 0, 0.08);
    z-index: 999;
    transition: all 0.2s ease-in-out;
}

.wa-float-btn i {
    color: #fff;
    font-size: 26px;
    line-height: 1;
}

.wa-float-btn:hover {
    background: #292929;
    box-shadow: 0 0 0 rgba(0, 0, 0, 0.08);
}

@media (max-width: 767px) {
    .wa-float-btn {
        right: 14px;
        /* Below this width the footer is no longer position:fixed (it scrolls
           into the document flow), and its own "back to top" icon sits at
           roughly this same right-aligned spot — clear its ~92px height
           plus margin so the two never overlap once the footer is in view. */
        bottom: 106px;
        width: 46px;
        height: 46px;
    }

    .wa-float-btn i {
        font-size: 22px;
    }
}