:root {
    font-size: 62.5%;
    --color-background1: #4ECDC4;
    --color-background2: #EEE4E1;
    --color-background3: #292F36;
    --color-text1: #292F36;
    --color-text2: #EDD892;
    --color-hyperlink: #FF6B6B;
    --color-accent1: #FF6B6B;
    --color-accent2: #4ECDC4;
    --font-primary: 'Roboto Condensed', verdana, sans-serif;
    --font-headline: 'Righteous', tahoma, cursive;
    --font-code: 'IBM Plex Mono', 'couier new', monospace;
}

/* ===========================================================              page styles     */
body {
    background-color: var(--color-background1);
    font-family: var(--font-primary);
}

header {
    position: absolute; top: 96px; left: 0; width: 100%;
}

header h1 {
    background-color: var(--color-background2);
    padding: 8px 0px;
    text-align: center;
    font-family: var(--font-headline); font-size: 5rem; color: var(--color-accent1);
    text-shadow: 2px 3px 0px var(--color-text1);
    margin-bottom: 16px;
}

header h1 span:first-child {
    text-transform: uppercase;
    color: var(--color-accent2);
    white-space: normal;
}

header h1 span:last-child {
    white-space: nowrap;
    text-transform: lowercase;
}

footer {
    padding: 12px 24px 12px 12px;
    font-size: 1.4rem;
}

footer p {
    margin-top: 12px;
}

/* ===========================================================              navigation styles     */

header > .homelink {
    position: absolute; top: -48px; left: 32px;
    color: var(--color-hyperlink); text-shadow: 2px 3px 0px var(--color-text1);
}

header + nav {
    margin-top: 260px; margin-bottom: 160px;
}

header + nav ul {
    display: flex; flex-flow: row wrap;
    justify-content: center;
}

header + nav li {
    width: 200px; height: 200px;
    margin: 8px;
    flex: 0 0 auto;
}

header + nav a strong {
    font-size: 2.2rem;
}

header + nav a {
    display: block; width: 100%; height: 100%;
    color: var(--color-text2); background-color: var(--color-background3);
    border: 4px outset #456;
    text-decoration: none; text-align: left; font-size: 1.8rem;
    line-height: 2.6rem;
    padding: 8px;
    transition: background-color .3s ease-in, 
                border-top 300ms ease-in .1s, 
                border-right 300ms ease-in .2s,
                border-bottom 300ms ease-in .3s, 
                border-left 300ms ease-in .4s;
}

header + nav a:hover {
    background-color: var(--color-background2); color: var(--color-text1);
    border-left: 4px solid var(--color-accent1);
    border-top: 4px solid var(--color-accent1);
    border-right: 4px solid var(--color-accent1);
    border-bottom: 4px solid var(--color-accent1);
}

header + nav strong {
    font-weight: bold; color: var(--color-hyperlink);
}

footer {
    overflow: hidden;
    padding: 12px 24px 12px 12px;
    font-size: 1.4rem;
    background-color: var(--color-background2);
}

footer p {
    margin-top: 12px; float: right; clear: right;
}

footer p:first-child {
    margin-top: 0px;
}

footer p:last-child {
    float: left; clear: right;  
    margin-top: 24px; margin-bottom: 32px; width: 80%;
}

footer .fa, footer .fab {
    transform: rotate(-4deg);
}

footer a {
    font-family: var(--font-code);
    text-decoration: none;
    color: var(--color-hyperlink);
    background-color: var(--color-background2);
    padding: 0px 4px;
}

footer a:hover {
    color: var(--color-text1);
}

strong {
    font-weight: bold;
}

/* ===========================================================              tablet styles     */
@media screen and (max-width: 900px) and (max-device-width: 900px) {

    header h1 {
        font-size: 3rem;
    }

    header h1 span:first-child {
        display: block;
    }

    header + nav {
        margin-top: 200px; margin-bottom: 80px;
    }

    header + nav li {
        width: 240px; height: 280px;
    }

    header + nav a {
        font-size: 1.7rem;
    }

    header + nav a strong {
        font-size: 2.3rem; padding-right: 1.4rem;
    }

} /* end mobile styles */

/* ===========================================================              small mobile styles     */
@media screen and (max-width: 420px) and (max-device-width: 420px) {

    header h1 {
        font-size: 2.7rem;
    }

    header + nav li {
        width: 80%; height: 180px;
    }

    header + nav a {
        font-size: 2rem;
    }

    header + nav a strong {
        font-size: 2.5rem; padding: 0 1.2rem;
    }

} /* end mobile styles */