@media (max-width: 768px) {
    #mainNavbar {
        position: static;
        margin-top: -150px; 
    }

    .top-strip {
        height: 120px !important;
    }
    .logo-link {
        display: inline-block;
        margin-left: 0 !important; 
    }

    .logo {
        height: 80px;
        top:20px;
    }
    .navbar-nav {
        right: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.9);
        border-radius: 0;
        box-shadow: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        padding: 1rem;
    }

    .nav-item {
        padding: 0.5rem 0;
        text-align: center;
    }

        .nav-item .nav-link {
            color: #000 !important;
            font-size: 1.1rem;
        }

    .custom-btn {
        font-size: 0.9rem;
    }

    /* ---- home page ---- */
    .banner-section {
        height: 500px;
        overflow: hidden;
    }
    .banner-bottle-img {
        margin-top: 0;
        height: 300px;
    }
    .shark-tank-logo {
        bottom: 0;
        right: 10px;
    }
        .shark-tank-logo img {
            height: 80px;
        }

    .shark-heading {
        width: auto;
        font-size: 16px;
    }
    .wave-img {
        margin-top: -40px;
    }
    .info.info-left::after,
    .info.info-right::after {
       display:none;
    }
    .animated-blob {
        width: 130%;
        height: 130%;
        top: -20%;
        left: -15%;
        
    }

    /*--- certificate page ---*/
    .certificate-banner {
        height: 250px;
    }

        .certificate-banner::after {          
            top: 88px;
            left: 0;          
            height: 250px;
           
        }
        .certificate-banner .banner-content h1 {
            margin-top: 20px;
        }
    /*--- ccontact page ---*/
    .contact-banner {
        height: 250px;
    }

        .contact-banner::after {
            top: 88px;
            left: 0;
            height: 250px;
        }
        .contact-banner .banner-content h1 {
            margin-top: 20px;
        }

    .product-info {
        height: auto;
        margin-left: 0;
    }

    .video-info {
        padding: 30px;
        margin-left: 0;
        margin-top: -100px;
    }
}

@media (min-width: 1500px) {
    .wave-img {
        margin-top: -200px;
    }
}