.mobile-bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    body {
        padding-bottom: calc(84px + env(safe-area-inset-bottom));
    }

    .mobile-bottom-nav {
        position: fixed;
        right: 12px;
        bottom: max(10px, env(safe-area-inset-bottom));
        left: 12px;
        z-index: 1050;
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        align-items: end;
        min-height: 68px;
        padding: 8px 6px;
        border: 1px solid rgba(255, 255, 255, 0.62);
        border-radius: 25px;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(229, 244, 244, 0.82));
        box-shadow: 0 10px 30px rgba(18, 62, 67, 0.22), inset 0 1px rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(18px) saturate(140%);
        -webkit-backdrop-filter: blur(18px) saturate(140%);
    }

    .mobile-bottom-nav::before {
        position: absolute;
        top: -20px;
        left: 50%;
        width: 72px;
        height: 40px;
        content: "";
        background: inherit;
        border: inherit;
        border-bottom: 0;
        border-radius: 50% 50% 0 0;
        transform: translateX(-50%);
        box-shadow: inset 0 1px rgba(255, 255, 255, 0.7);
    }

    .mobile-bottom-nav__item {
        position: relative;
        z-index: 1;
        display: flex;
        min-width: 0;
        min-height: 52px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        color: #6d8183;
        font-size: 10px;
        font-weight: 700;
        line-height: 1;
        text-decoration: none;
        transition: color 180ms ease, transform 180ms ease;
    }

    .mobile-bottom-nav__item i {
        font-size: 19px;
        transition: transform 220ms cubic-bezier(.2, .9, .3, 1.4);
    }

    .mobile-bottom-nav__item.is-active {
        color: #1e5359;
    }

    .mobile-bottom-nav__item.is-active i {
        transform: translateY(-2px) scale(1.08);
    }

    .mobile-bottom-nav__item--home {
        margin-top: -31px;
    }

    .mobile-bottom-nav__item--home i {
        display: grid;
        width: 56px;
        height: 56px;
        place-items: center;
        border: 5px solid #eff8f8;
        border-radius: 50%;
        background: linear-gradient(145deg, #2c737a, #1e5359);
        box-shadow: 0 9px 18px rgba(30, 83, 89, 0.36), inset 0 1px rgba(255, 255, 255, 0.3);
        color: #fff;
        font-size: 21px;
    }

    .mobile-bottom-nav__item--home span {
        margin-top: 2px;
    }

    .mobile-bottom-nav__item:focus-visible {
        border-radius: 12px;
        outline: 3px solid #62aeb2;
        outline-offset: 2px;
    }

    .whatsapp-float {
        bottom: calc(95px + env(safe-area-inset-bottom));
    }
}