html,
body {
    min-height: 100vh;
    background-color: #a9a9b0;
    background: rgb(169, 169, 176);
    background: linear-gradient(90deg, rgba(169, 169, 176, 1) 0%, rgba(103, 101, 108, 1) 100%);
    font-family: -apple-system, system-ui, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

main {
    display: flex;
    min-height: 100vh;
    margin-bottom: -150px;
}

main > .col {
    flex: 50%;
    display: flex;
}

footer {
    background-color: #26262b;
    color: #ffffff;
    height: 150px;
    display: flex;
    align-items: center;
    flex-direction: row;
    padding: 0 100px;
}

a,
a:visited,
a:hover,
a:active {
    color: #e13232;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer > a,
footer > a:visited,
footer > a:hover,
footer > a:active {
    color: #ffffff;
    text-decoration: none;
}

.col-details {
    flex-direction: column;
}

header {
    align-self: flex-start;
    display: inline-block;
    margin: 70px 100px 0 100px;
}

.header-logo {
    display: inline-block;
}
.header-logo > .header-logo-img {
    width: 400px;
    height: auto;
}
.tagline {
    max-width: 400px;
    padding: 0 10px;
    font-style: italic;
}

.app-screenshot {
    display: block;
    align-self: flex-end;
    height: 640px;
    width: auto;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    margin-bottom: 150px;
}

.full-card {
    display: block;
    background-color: #ffffff;
    border-radius: 30px 30px 0 0;
    margin: 30px 50px 0 50px;
    padding: 50px;
    text-align: justify;
}

.store-links {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin: 40px 0 0 100px;
}

.store-link {
    display: inline-block;
    margin: 0 10px;
}

.store-link.apple {
    height: 40px;
    width: 135px;
}

.store-link.google img {
    height: 60px;
    width: auto;
    margin-top: 3px;
}

.terms-link,
.privacy-link {
    margin-right: 30px;
}

.copyright-notice {
    display: inline-block;
    margin-left: auto;
}

.sr-only {
    border: 0 !important;
    clip: rect(1px, 1px, 1px, 1px) !important;
    -webkit-clip-path: inset(50%) !important;
    clip-path: inset(50%) !important;
    height: 1px !important;
    margin: -1px !important;
    overflow: hidden !important;
    padding: 0 !important;
    position: absolute !important;
    width: 1px !important;
    white-space: nowrap !important;
}

@media screen and (max-width: 768px) {
    html,
    body {
        background-color: #a9a9b0;
        background: #a9a9b0;
    }

    main {
        flex-direction: column;
    }

    main > .col {
        flex: 100%;
    }

    header {
        width: 100%;
        align-self: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin: 20px 0 0 0;
    }

    .header-logo {
        display: block;
    }
    .header-logo > .header-logo-img {
        width: 280px;
        max-width: 80vw;
        height: auto;
    }
    .tagline {
        max-width: 700px;
        padding: 0 30px;
        font-style: italic;
        text-align: center;
    }

    .store-links {
        flex-direction: column;
        margin: 60px 0 0 0;
    }

    .app-screenshot {
        margin-top: 60px;
        height: auto;
        width: 70vw;
    }

    footer {
        height: auto;
        flex-direction: column;
        padding: 20px 0;
    }

    footer > .terms-link,
    footer > .privacy-link,
    .copyright-notice {
        margin: 15px 0;
    }

    .copyright-notice {
        margin-top: 40px;
        margin-bottom: 20px;
    }

    .full-card {
        margin: 10px 10px 0 10px;
        border-radius: 15px 15px 0 0;
        padding: 5px 15px;
    }
}