:root {
    --primary-text-colour: #F7F9F9;
    --secondary-text-colour: #aaa;
    --link-text-colour: #00A676;
    --alt-colour: #A76D60;
    --background-colour: #2F2D2E;

    --nav-height: 150px;
    --mobile-max-width: 985px;
    --sidebar-width: 250px;
}

body {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: var(--primary-text-colour);
    background-color: var(--background-colour);
    overflow-wrap: break-word;
    margin-top: var(--nav-height);
}

header {
    position: fixed;
    background-color: var(--background-colour);
    width: 100%;
    top: 0;
    transition: transform 0.3s;
}

.nav-hidden {
    transform: translateY(calc(-1 * var(--nav-height)));
}

nav, footer {
    display: flex;
    width: 100vw;
    align-items: center;
    justify-content: space-around;
    z-index: 10;
    a { 
        text-decoration: none;
        color: var(--primary-text-colour);
        padding: 10px 15px;
        &.logo { padding: 2px 8px; };
        &:hover { 
            background-color: var(--link-text-colour);
            border-radius: 5px; 
        }
    }
    ul { 
        list-style-type: none; 
        display: flex;
        &#pages {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            row-gap: 20px;
            text-align: center;
        }
    }
    h3 {
        font-size: 40px;
        letter-spacing: 1px;
        a:hover { background-color: transparent; }
    }
    #socials {
        font-size: 30px;
        font-weight: bold;
        gap: 5px;
        img {
            width: 30px;
            vertical-align: middle;
        }
    }
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        height: 100vh;
        width: var(--sidebar-width);
        background-color: var(--background-colour);
        display: flex;
        flex-direction: column;
        padding-top: 50px;
        transition: left 0.3s ease-out;
        z-index: 90;
        border-right: 1px solid var(--secondary-text-colour);
        ul {
            flex-direction: column;
            align-items: flex-start;
            padding-left: 20px;
            gap: 20px;
        }
        #sidebar-socials {
            flex-direction: row;
            padding: 20px 10px 0;
            justify-content: center;
            font-size: 30px;
            font-weight: bold;
            img {
                width: 30px;
                vertical-align: middle;
            }
        }
        &.active {
            left: 0;
        }
    }
}

#hamburger {
    display: none;
    position: fixed;
    top: 5px;
    left: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-text-colour);
    padding: 5px 10px;
    font-size: 30px;
    z-index: 100;
    transform: translateX(0);
    transition: transform 0.4s ease;
    &.active {
        transform: translateX(calc(var(--sidebar-width) - 55px));
    }
    &:active {
        background-color: var(--link-text-colour);
        border-radius: 10%;
    }
}

hr.divider {
    border-top: 3px solid var(--secondary-text-colour);
    border-bottom: none;
    border-radius: 60%;
}

main {
    margin: auto;
    width: 100%;
    max-width: 1400px;
}


h2 {
    font-size: 30px;
}

a {
    color: var(--link-text-colour)
}

.hidden {
    display: none;
}

.highlight-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: transparent;
    z-index: 10;
    &#nav-bg {
        background-color: color-mix(in srgb, var(--background-colour) 70%, transparent);
    }
}

@media (max-width: 985px) {
    nav {
        justify-content: center;
        #pages, #socials {
            display: none !important;
        }
    }

    #hamburger {
        display: flex;
    }
}