html {
    font-size: 16px;
}

body {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;

    background-image: url("/epita/images/grain.svg"), linear-gradient(55deg, #B3BFD9, #F6EBFF);
    background-repeat: repeat, no-repeat;
    background-blend-mode: overlay, normal;
    color: #102B65;
    font-family: raleway, sans-serif;
    font-weight: 400;
}

h1, h2 {
    font-family: chakra petch, monospace;
    -webkit-font-smoothing: none;
}

h1, footer {
    background-color: #000B2180;
    backdrop-filter: blur(5px);
}

h1 {
    width: 100%;
    padding: .3em .3em;
    margin: 0;
    box-sizing: border-box;

    font-size: 5rem;
    color: #FFFFFF;
}

h2 {
    color: #B70D7F;
    font-size: 3.75rem;
}

h3 {
    font-weight: normal;
    font-size: 2.8125rem;
}

h4 {
    font-weight: normal;
    font-size: 2rem;
}

p {
    font-size: 1.5rem;
}

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

li {
    margin: 1em 0;
    padding-left: 1em;

    border-left: 3px solid #102B6550;
}

code {
    font-family: consolas, monospace;
    color: #B70D7F;
}

li>* {
    margin: .5em 0;
}

footer {
    position: fixed;
    left: 0;
    bottom: 0;

    width: 100%;

    display: flex;
    justify-content: center;
    align-items: center;
    padding: .5em 2em;
    box-sizing: border-box;

    color: #FFFFFF;
    font-size: 1.2rem;
}

footer p {
    font-size: 1rem;
}

/* nav */

header {
    width: 100%;
    position: sticky;
    top: 0;
    left: 0;
}

nav {
    display: flex;
    overflow: auto;
    width: 100%;

    background-color: #000B21;
    color: #30B3E7;
    box-shadow: 0 10px 30px #000B2150;
    z-index: 1;
}

nav a {
    transition: .3s;

    font-weight: bold;
    font-size: 1.5rem;
    padding: 1em;
}

nav a:hover {
    cursor: pointer;
    text-decoration: none;
}

nav a:not(.active):hover {
    background-color: #1A2438;
    filter: brightness(1.1);
}

nav a.active {
    background-color: #30B3E7;
    color: #FFFFFF;
}

/* pages */

#main {
    width: 60%;
    max-width: 1200px;
    flex: 1;
    padding: 3rem;
    padding-bottom: 4rem;

    background-color: #FFFFFF;
}

@media (max-width: 600px) {
    #main {
        width: 100%;
        padding: 0 10%;
        box-sizing: border-box;
    }
}

.page.hidden {
    display: none;
}

a:not(nav a) {
    color: #B70D7F;
}

a.button {
    transition: .3s;

    display: block;
    width: fit-content;
    margin: 2em 0;
    padding: .5em;

    border: 3px solid #B70D7F;
    font-weight: bold;
    font-size: 1.5rem;
}

a.button:hover {
    background-color: #B70D7F;
    color: #FFFFFF;
    text-decoration: none;
}