@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200&family=Roboto:wght@300&display=swap');

html {
    padding: 0;
    margin: 0;
}

body {
    display: flex;
    background-color: #121214;
    padding: 0;
    margin: auto;
    width: 100%;
    height: 100vh;
    color: white;
    font-size: 30px;
    font-family: 'Poppins', sans-serif;
    background-attachment: fixed;
    background-image: url("../img/intro.svg");
    background-position: top right;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    overflow-x: hidden;
}

#boutonPlus {
    position: relative;
    text-decoration: none;
    color: white;
    padding: 0.5em 0.5em 0.5em 3em;
    border-radius: 60px;
}

#boutonPlus::before {
    z-index: 1;
    display: block;
    position: absolute;
    top: 0.8em;
    left: 1em;
    content: "";
    margin-left: auto;
    margin-right: auto;
    width: 0.7em;
    height: 0.7em;
    border-bottom: 2px solid;
    border-left: 2px solid;
    color: white;
    transform: rotate(-135deg);
    transition: 1s;
}

#boutonPlus span {
    z-index: -1;
    position: absolute;
    width: 1.5em;
    height: 1.5em;
    left: 0.8em;
    border-radius: 50px;
    background-color: #3e3e3edb;
    transition: 1s;
}

#boutonPlus:hover span {
    width: 90%;
}


#boutonPlus:hover::before {
    transform: translateX(0.6em);
}


li#citation_accueil {
    font-size: 1.5em;
    width: 85%;
    font-style: italic;
    margin-bottom: 5%;
    margin-right: auto;
    margin-left: auto;
}

h2 {
    color: orange;
}

/* main */
ol {
    padding: 0;
    list-style: none;
}

ul {
    list-style: none;
}

@media screen and (min-width: 1000px) {

    /* Menu */
    div.bandeau {
        flex: 0.2;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        align-content: center;
        justify-content: center;
        max-width: 100%;
        height: 100vh;
        background-color: #0a0903;
    }

    div.nav-left {
        width: 300px;
        text-align: right;
        transition: opacity 1s ease;
    }

    div.nav-left > ol > li {
        margin: 5%;
    }

    div.nav-left > ol > li > a {
        transition: color 0.2s ease;
        color: rgba(255, 255, 255, 0.7);
        display: block;
        font-size: 0.6em;
        font-weight: bold;
        letter-spacing: 0.25em;
        padding: 1.35em 0;
        position: relative;
        text-decoration: none;
        text-transform: uppercase;
    }

    div.nav-left > ol > li > a:hover {
        color: rgba(255, 255, 255, 1);
    }

    div.nav-left > ol > li > a::before,
    div.nav-left > ol > li > a::after {
        width: 100%;
        border-radius: 0.2em;
        bottom: 0;
        content: '';
        height: 0.2em;
        position: absolute;
        right: 0;
        background-color: white;
        animation-duration: 3s;
        animation-name: animatedBar;
        transition: 1s;
    }

    div.nav-left > ol > li > a:hover::before,
    div.nav-left > ol > li > a:hover::after {
        background-color: orange;
    }

    div.nav-left > ol > li > a:hover,
    div.nav-left > ol > li > a:hover {
        color: #FFA500;
    }

    div.nav-right {
        flex: 0.8;
        justify-content: center;
        align-self: center;
    }

    div.nav-right {
        animation-duration: 3s;
        animation-name: animatedText;
    }
}

@media screen and (max-width: 999px) {
    body {
        display: flex;
        flex-direction: column;
        font-size: 20px;
    }

    div.nav-left > ol > li > a {
        transition: color 0.2s ease;
        color: rgba(255, 255, 255, 0.7);
        display: block;
        font-size: 0.6em;
        font-weight: bold;
        letter-spacing: 0.25em;
        padding: 1.35em 0;
        position: relative;
        text-decoration: none;
        text-transform: uppercase;
        text-align: center;
    }

    div.nav-left > ol > li:first-of-type > a {
        transition: color 0.2s ease;
        color: orange;
        display: block;
        font-size: 0.6em;
        font-weight: bold;
        letter-spacing: 0.25em;
        padding: 1.35em 0;
        position: relative;
        text-decoration: none;
        text-transform: uppercase;
        text-align: center;
    }

    div.nav-left > ol > li > a:hover {
        color: rgba(255, 255, 255, 1);
    }

    div.nav-left > ol > li:first-of-type > a::before,
    div.nav-left > ol > li:first-of-type > a::after {
        width: 100%;
        border-radius: 0.2em;
        bottom: 0;
        content: '';
        height: 0.2em;
        position: absolute;
        right: 0;
        background-color: orange;
        animation-duration: 3s;
        animation-name: animatedBar;
        transition: 1s;
    }

    div.nav-left > ol > li > a::before,
    div.nav-left > ol > li > a::after {
        width: 100%;
        border-radius: 0.2em;
        bottom: 0;
        content: '';
        height: 0.2em;
        position: absolute;
        right: 0;
        background-color: white;
        animation-duration: 3s;
        animation-name: animatedBar;
        transition: 1s;
    }

    div.nav-left > ol > li > a:hover::before,
    div.nav-left > ol > li > a:hover::after {
        background-color: orange;
    }

    div.nav-left > ol > li > a:hover,
    div.nav-left > ol > li > a:hover {
        color: #FFA500;
    }

    ul {
        padding: 0;
    }

    div.nav-right > ul > li > h2 {
        text-align: center;
        font-size: 50px;
        font-weight: bolder;
    }

    div.nav-right > ul li {
        text-align: center;
        margin-top: 5%;
    }
}

@media screen and (max-width: 550px) {

    li#citation_accueil {
        font-size: 1em;
    }

    #auteur {
        font-size: 0.6em;
    }
}

/* hyperliens */

a:hover {
    color: black;
}

/* Citation */

cite > a {
    color: black;
    text-decoration: none;
}


@keyframes animatedBar {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes animatedText {
    from {
        opacity: 0;
        margin-top: 10%;
    }

    to {
        opacity: 1;
    }
}

@keyframes bounce4 {
    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(0) rotate(-135deg);
    }
    40% {
        transform: translateX(13px) rotate(-135deg);
    }
    60% {
        transform: translateX(7px) rotate(-135deg);
    }
}