* {
    box-sizing: border-box;
}

:root {
    font-size: 16px;
}

@media screen and (min-width: 768px) {
    :root {
        font-size: 20px;
    }
}

html {
    --background: #483a34;
    --dusk: #a86252;
    --orange: #e4804a;
}

header, main, section, footer {
    display: block;
}

body {
    font-family: 'Fira Code', 'Ubuntu Mono', monospace;
    font-weight: 300;
    margin: 0;
    padding: 0;
    color: #e2dcd2;
    background: var(--background);
}

a {transition: color 0.2s;}

small,
.text-sm {
    font-size: 0.7rem;
}

div.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
    max-width: 60rem;
    padding: 0 2rem;
    margin: 1rem auto;
    margin-left: auto;
    margin-right: auto;

    & a {color: var(--orange);}

    & a:hover {color: #fff;}
}

header {
    padding-top: 1rem;
    background: url('img/bg1.webp') 100% 10% no-repeat;
    background-size: 140px auto;

    animation-timeline: scroll();
    animation-name: fadeOut;
    animation-inset: 0 33%;

    & h1 {
        margin-bottom: 0;
    }
}

span.separator {
    display: block;
    background: url('img/bg2.webp') 50% 50% no-repeat;
    min-height: 200px;
    background-size: 300px auto;
}

img {
    display: block;
    margin: 0 auto;
    width: clamp(100px, 500px, 90%);
    height: auto;
}

img.slide-over {
    animation-timeline: scroll(root block);
    animation-name: shimmyIn;
    animation-range: entry 0% cover 70%;

    align-self: center;
}

@media screen and (min-height: 800px) {
    img.slide-over {
        animation-range: entry 0% cover 100%;
    }
}

section.projects {
    margin: 3rem 0;

    & ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    & li {
        border-left: 4px solid var(--orange);
        margin-bottom: 2rem;
        padding-left: 1rem;
    }

    & > div {
        order: 2;
    }

    & > img {
        display: block;
        order: 1;
    }

    & h3 {
        margin-bottom: 0.2em;
    }
}

@media screen and (min-width: 900px) {
    section.projects {
        display: grid;
        grid-template-columns: 16rem 1fr;
        column-gap: 2rem;
    }
}

footer  {
    background: #222;
    padding: 2rem;
    color: var(--dusk);

    & a, a:visited {
        color: var(--orange);
    }

    & a:focus {
        outline: 1px dashed var(--dusk);
    }

    & a:hover {
        color: #fff;
    }

    & > div {
        max-width: 60rem;
        margin-left: auto;
        margin-right: auto;
    }
}

// Responsive BG sizes 
@media screen and (min-width: 768px) {
    header {
        background-position:  95% 5%;
        background-size: 220px auto;
    }    
}

@keyframes shimmyIn
{
    0% {
        opacity: 0.3;
        transform: translatey(60px);
        transform: scale(0.75);
    }

    100% {
        opacity: 1.0;
        transform: none;
    }
}

@keyframes scaleProgress {
    0% {
      transform: scaleX(0);
    }

    100% {
      transform: scaleX(1);
    }
}

@keyframes fadeOut
{
    0% {opacity: 1}
    100% {opacity: 0.03}
}