:root {
    --logo-aqua: hsl(169, 66%, 67%);
    --logo-white: white;
    --background-gray: hsl(225, 11%, 27%);
    --background-aubergine: hsl(315, 31%, 4.7%);
    --star-yellow: hsl(54, 39%, 78%);
    --purple: hsl(266, 29%, 9%);
    --purple-highlight: hsl(277, 50%, 55%);
    --purple-highlight-dark: hsl(277, 50%, 11%);
    --pink: hsl(295, 66%, 86%);
    --pink-highlight: hsl(315, 91%, 51%);
    --pink-highlight-dark: hsl(315, 91%, 22%);

    --font-size: calc(0.6rem + 0.6vw);
}

@font-face {
    font-family: "Maple Mono";
    font-weight: bold;
    src: url("fonts/MapleMono-Bold.ttf") format("truetype");
}

@font-face {
    font-family: "Maple Mono";
    font-style: italic;
    font-weight: bold;
    src: url("fonts/MapleMono-BoldItalic.ttf") format("truetype");
}

@font-face {
    font-family: "Maple Mono";
    src: url("fonts/MapleMono-Regular.ttf") format("truetype");
}

html {
    background:
        no-repeat linear-gradient(
            184deg,
            hsla(0, 0%, 0%, 0),
            var(--background-aubergine) 21rem
        ),
        url('/images/glittering_stars.svg'),
        var(--background-gray);
    background-size: auto, 50rem;
    background-attachment: scroll, fixed;
    color: var(--pink);
    font-family: "Maple Mono";
    font-size: var(--font-size);
    width: 100%;
}

body {
    margin: auto;
    max-width: 42rem;
}

header {
    margin-top: 6.5rem;
    align-items: center;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    flex-wrap: wrap;
    gap: 3.5rem;
    font-size: 1.2rem;
}

#main-container {
    padding: 1rem 1.7rem;
    margin-bottom: 4rem;
    background-color: var(--purple);
    border-radius: 3rem;
    overflow: hidden;

    /* border gradient */
    border: 3px solid var(--purple-highlight);
    background:
        linear-gradient(
            var(--purple),
            var(--purple)
        ) padding-box,
        linear-gradient(
            var(--purple-highlight),
            var(--purple-highlight-dark)
        ) border-box;
    border: 3px solid transparent;
}

:target {
    border: 2px dotted var(--logo-aqua);
    padding: 0.2rem 0.5rem;
}

::selection,
a:focus,
a:hover {
    outline: none;
    background-color: var(--pink-highlight);
    color: var(--purple);
}

#nouveau-logo:focus,
#nouveau-logo:hover {
    background-color: transparent !important;
}

#nouveau-logo > img {
    width: 25rem;
}

#stars {
    margin-bottom: -20rem;
    margin-left: -4rem;
    z-index: -1;
}

a {
    color: var(--pink);
    font-weight: bold;
    text-decoration-color: var(--pink-highlight);
    transition: 0.1s;
}

footer > div {
    margin-top: 3rem;
    display: flex;
    flex-direction: row;
    padding: 0.5rem;
    justify-content: space-between;
}

footer > div > a > img {
    border-radius: 100%;
    box-shadow:
        0 0.2rem 1rem 0 var(--shadow),
        0 0.1rem 0.2rem 0 rgba(0, 0, 0, 0.2);
    margin: 0;
    width: 2rem;
}

footer > div > p {
    margin: auto;
}

h1, h2, h3, h4, h5, h6,
h1 > a, h2 > a, h3 > a, h4 > a, h5 > a, h6 > a {
    text-decoration: none;
    width: fit-content;
    color: var(--logo-aqua);
}

h1 {
    font-style: italic;
    text-align: center;
    margin: 1rem auto auto auto;
}

p {
    line-height: 140%;
}

ul {
    list-style: none;
    line-height: 180%;
    padding-left: 1.5rem;
}

ul > li:before {
    content: '✦';
    vertical-align: top;
    color: var(--purple-highlight);
    font-size: 90%;
    margin-left: -1.5rem;
    margin-right: 0.7rem;
}

nav {
    font-size: 1.2rem;
    word-spacing: 1.4rem;
    margin-bottom: 1.2rem;
}

hr {
    border-color: var(--purple-highlight);
    margin: 2rem 0;
}

summary {
    margin: 2rem 0 1rem 0;
    font-size: 110%;
    font-weight: bold;
}

code {
    border-radius: 0.2rem;
    padding: 0 0.2rem;
}

code,
pre > code {
    color: var(--purple);
    background-color: var(--pink);
    font-family: "Maple Mono";
    font-weight: bold;
}

pre > code {
    border-radius: 1rem;
    display: block;
    margin: 1.5rem auto 2rem auto;
    padding: 0.8rem 1rem;
    overflow: auto;

    /* border gradient */
    border: 3px solid var(--pink-highlight);
    background:
        linear-gradient(
            to top,
            var(--purple-highlight),
            var(--pink) 0.5rem
        ) padding-box,
        linear-gradient(
            var(--pink-highlight),
            var(--pink-highlight-dark)
        ) border-box;
    border: 3px solid transparent;
}

footer > div > a {
    border-radius: 5rem;
}