:root {
    --background: rgb(255, 255, 230);
    --background-header: rgb(250, 220, 120);
    --background-nav: rgb(252.5, 237.5, 175);
    --text: rgb(50, 50, 50);
    --sphere: rgb(245, 180, 100);
    --hill: rgb(50, 235, 150);
    --hillshade: rgb(40, 160, 100);
    --image-decorative-blend: initial;
    @media (prefers-color-scheme: dark) {
        --background: rgb(0, 45, 60);
        --background-header: rgb(0, 70, 100);
        --background-nav: rgb(0, 62.5, 80);
        --text: rgb(255, 255, 255);
        --sphere: rgb(105, 210, 255);
        --hill: rgb(0, 95, 135);
        --hillshade: rgb(0, 45, 60);
        --image-decorative-blend: luminosity;
    }
}

* {
    box-sizing: border-box;
    scrollbar-color: var(--sphere) var(--background-header);
}
  
html {
    scroll-behavior: smooth;
    body {
        background-color: var(--background);
        color: var(--text);
        font-family: 'Lucida Console', 'Courier New', monospace;
        hyphens: auto;
        line-height: 1.8;
        margin: 0;
    }
    a {
        color: var(--text);
        text-underline-offset: 3px;
        transition: text-decoration-color .15s ease;
        &:hover {
            text-decoration-color: var(--sphere);
        }
    }
}
  
header {
    background-blend-mode: var(--image-decorative-blend);
    background-color: var(--background-header);
    background-image: url(home-header-optimized.svg);
    background-position: center;
    color: var(--text);
    display: flex;
    flex-direction: column;
    height: 40vh;
    justify-content: center;
    overflow: hidden;
    position: relative;
    text-align: center;
    h1 {
        font-size: 3.6em;
        line-height: .9em;
        margin: 0;
        z-index: 10;
    }
    p {
        margin: 0;
        z-index: 10;
    }
    #sphere {
        background: var(--sphere);
        border-radius: 100%;
        display: none;
        height: 10vh;
        left: 30vw;
        position: absolute;
        top: 3vh;
        width: 10vh;
    }
    #hill {
        background: var(--hill);
        border-radius: 40px;
        bottom: 0;
        display: none;
        height: 40vh;
        left: 50vw;
        position: absolute;
        transform: rotate(45deg) translate(50%, 50%);
        width: 40vh;
    }
    #hillshade {
        background: var(--hillshade);
        border-radius: 80px;
        bottom: -5vh;
        display: none;
        height: 40vh;
        left: 30vw;
        position: absolute;
        transform: rotate(45deg) translate(50%, 50%);
        width: 40vh;
    }
    #header-background {
        height: 100%;
        position: absolute;
        align-self: center;
    }
}

#main-nav {
    align-items: center;
    background: var(--background-nav);
    border-radius: 10px;
    display: flex;
    gap: 20px;
    height: 60px;
    justify-content: center;
    margin: 0px auto;
    position: relative;
    top: -30px;
}
  
.width-1200 {
    margin: 0 auto;
    max-width: 1200px;
}

main {
    section {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
        grid-gap: 20px;
    }
    article {
        background: var(--background-header);
        border-radius: 10px;
        box-shadow: rgba(0, 0, 0, 0.1) 10px 10px 0px 0px;
        display: flex;
        flex-direction: column;
        padding: 40px;
        transition: box-shadow .3s ease, transform .3s ease;
        &:hover {
            box-shadow: rgba(0, 0, 0, 0.1) 10px 15px 0px 0px;
            transform: translate(0, -5px);
        }
        a {
            background: var(--background);
            border-radius: 5px;
            box-shadow: rgba(0, 0, 0, 0.1) 5px 5px 0px 0px;
            color: var(--text);
            display: inline-block;
            font-weight: bold;
            padding: 10px 14px;
            text-decoration: none;
            transition: box-shadow .15s ease, transform .15s ease;
            &:hover {
                box-shadow: rgba(0, 0, 0, 0.1) 2.5px 2.5px 0px 0px;
                transform: translate(2.5px, 2.5px);
            }
            &:active {
                box-shadow: rgba(0, 0, 0, 0.1) 0px 0px 0px 0px;
                transform: translate(5px, 5px);
            }
        }
        h2 {
            font-size: 1.8em;
            line-height: normal;
            margin: 0;
        }
        p {
            margin: 20px 0;
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            hyphens: none;
            margin-top: auto;
        }
    }
}
  

footer {
    margin-top: 20px !important;
    text-align: center;
}
  
/*footer p, footer a {
    text-align: center;
    color: rgb(80, 150, 190);
}*/
  
@media (max-width: 1000px) {
    header hill {
        transform: rotate(45deg) translate(40%, 70%);
    }
    header hillshade {
       transform: rotate(45deg) translate(20%, 80%);
    }
}
  
 
@media (prefers-color-scheme: dark) {
    header #sphere {
        left: unset;
        right: 30vw;
    }
}