* {
    box-sizing: border-box;
}

.mobile-hamburger,
.mobile-addons {
    display: none;
}

@media screen and (max-width: 1000px) {
    .nav-links {
        background-color: #121d33;
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        padding: 1rem 1rem 24px 1rem;
        margin: 0;
    }
    .nav-links a {
        min-width: auto;
        margin: 0;
    }
    .learning-portal {
        margin-top: 64px;
    }
    .about-title__container {
        padding-top: 4rem;
    }
    .cards {
        padding-top: 2rem;
    }
    .usage-container {
        border-radius: 0;
    }
    .bottom-usage {
        padding: 4rem 2.5rem;
    }
    .footernav-container {
        flex-direction: column;
    }
    .footer-left {
        margin-right: 0;
    }
    .signup-button {
        margin-right: 0!important;
    }
}

@media screen and (max-width: 761px) {
    .card {
        max-width: 100%;
        padding: 0;
        margin-bottom: 2rem;
    }
    .usage-card {
        width: 100%;
        min-height: auto;
        padding-bottom: 1rem;
        margin-bottom: 2rem;
    }
    .copyright {
        flex-direction: column;
    }
    .copyright-right {
        margin-top: 20px;
    }
    .store-img {
        margin-bottom: 0;
    }
    a:first-child .store-img {
        margin-left: 0;
    }
    img {
        margin-bottom: 1rem;
    }
}

@media screen and (max-width: 600px) {
    .mobile-hamburger {
        display: block;
    }
    .right-section {
        display: none;
    }
    .learning-portal {
        margin-top: 0;
    }
    .nav-links {
        display: none;
        top: 60px;
        flex-direction: column;
        gap: 0;
        text-align: left;
    }
    .nav-links > a {
        display: block;
        width: 100%;
        margin-bottom: 20px;
    }
    .bottom-usage {
        padding: 2rem 1rem;
        flex-direction: column;
    }
    .bottom-usage-info {
        margin-top: 0;
        text-align: center;
    }
    .signup-button a {
        color: #121d33;
    }
    .mobile-addons {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .mobile-addons button {
        width: 100%;
        margin: 0;
        height: auto;
    }
    .footer-right {
        flex-direction: column;
    }
    .vertical-nav {
        margin: 0 0 2rem 0;
    }
    .nav-title {
        margin-bottom: 1rem;
    }
    .copyright {
        margin-bottom: 24px;
    }
    .copyright-right {
        flex-direction: column;
        gap: 24px;
    }
    .store-img {
        margin: 0;
    }
}