body {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px;
    font-family: "Roboto Condensed";
    line-height: 1.5;
}

.site-header {
    display: flex;
    align-items: center;
    gap: 32px;
    position: relative;
    width: 100%;
    /* border-color: aliceblue; */
    /* border-width: 2px; */
    /* border-style: solid; */
}

.description {
    margin-top: 1em;
    font-size: 30px;
    line-height: 1.1;
    background-color: #e8e8e8;
    padding: 20px;
    border-radius: 3px;
}

.logo {
    display: block;
    width: 240px;
    height: auto;
}

.site-nav {
    display: flex;
    gap: 24px;
    position: absolute;
    top: 77%;
    right: 0;
    transform: translateY(-50%);
}

.site-nav a {
    color: inherit;
}

.feature {
    padding: 32px 0;
    /* border-bottom: 1px solid #ccc; */
    font-size: medium;
}

.features {
    display: flex;
    flex-wrap: wrap;
    gap: 0 32px;
    align-items: flex-start;
}

.features > .feature {
    box-sizing: border-box;
    flex: 0 0 calc((100% - 32px) / 2);
}

.features > .feature:nth-child(even) {
    margin-top: 5em;
}

.feature-icon {
    width: 5em;
    height: 5em;
    border-radius: 2px;
    background-color: #e8e8ee;
    object-fit: contain;
    padding: 0.5em;
    box-sizing: border-box;
}

.feature-heading {
    display: flex;
    align-items: center;
    gap: 16px;
}

.feature h2 {
    color: crimson;
}

.feature-heading h2 {
    margin: 0;
}

.download-options {
    display: flex;
    gap: 16px;
}

.video {
    padding: 32px 0;
    text-align: center;
}

.video-embed {
    max-width: 720px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
}

.video-embed iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.download-option {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px;
    border: 1px solid;
    border-radius: 3px;
}

.download-button {
    display: inline-block;
    align-self: center;
    margin-top: 20px;
    padding: 10px;
    background-color: #e8e8e8;
    border-radius: 3px;
}

@media (max-width: 640px) {

    .site-header,
    .download-options {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav {
        position: static;
        flex-direction: column;
        gap: 8px;
        margin-left: 0;
        transform: none;
    }

    .features {
        display: block;
    }

    .features > .feature {
        flex: none;
    }

    .features > .feature:nth-child(even) {
        margin-top: 0;
    }
}