/*
 * Contents
 *
 * Global resets
 * Sidebar
 * Container
 * Reverse layout
 * Themes
 */


/*
 * Global resets
 *
 * Update the foundational and global aspects of the page.
 */

html {
    font-family: sans-serif;
}
@media (min-width: 48em) {
    html {
      font-size: 13px;
    }
}
@media (min-width: 58em) {
    html {
      font-size: 16px;
    }
}


/*
 * Sidebar
 *
 * Flexible banner for housing site name, intro, and "footer" content. Starts
 * out above content in mobile and later moves to the side with wider viewports.
 */

.sidebar {
    text-align: center;
    padding: 2rem 1rem;
    color: rgba(255,255,255,.5);
    background-color: #000;
}
@media (min-width: 48em) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 18rem;
        text-align: left;
    }
}

/* Sidebar links */
.sidebar a {
    color: #fff;
}

/* About section */
.sidebar-about h2 {
    color: #fff;
    margin-top: 0;
    font-family: "Arial", monospace;
    font-size: 3.25rem;
}

/* Sidebar nav */
.sidebar-nav {
    margin-bottom: 1rem;
}
.sidebar-nav-item {
    display: block;
    line-height: 1.75;
    font-size: 1.2rem;
}
a.sidebar-nav-item:hover,
a.sidebar-nav-item:focus {
    text-decoration: underline;
}
.sidebar-nav-item.active {
    font-weight: bold;
}

/* Sticky sidebar
 *
 * Add the `sidebar-sticky` class to the sidebar's container to affix it the
 * contents to the bottom of the sidebar in tablets and up.
 */

@media (min-width: 48em) {
    .sidebar-sticky {
        position: absolute;
        min-height: 80%;
        top:    1rem;
        left:   1rem;
        right:  1rem;
    }
}


/* Container
 *
 * Align the contents of the site above the proper threshold with some margin-fu
 * with a 25%-wide `.sidebar`.
 */

.content {
    padding-top:    2rem;
    padding-bottom: 2rem;
}

@media (min-width: 48em) {
    .content {
        max-width: 38rem;
        margin-left: 20rem;
        margin-right: 2rem;
    }
}

@media (min-width: 64em) {
    .content {
        margin-left: 22rem;
        margin-right: 4rem;
    }
}


/*
 * Reverse layout
 *
 * Flip the orientation of the page by placing the `.sidebar` on the right.
 */

@media (min-width: 48em) {
    .layout-reverse .sidebar {
        left: auto;
        right: 0;
    }
    .layout-reverse .content {
        margin-left: 2rem;
        margin-right: 20rem;
    }
}

@media (min-width: 64em) {
    .layout-reverse .content {
        margin-left: 4rem;
        margin-right: 22rem;
    }
}