:root {
    --primary: #a6abea;
    --strong: #FFFFFF;
    --background: rgba(32, 59, 97, 1);
    --background-transparent: rgba(32, 59, 97, 0.5);
    --light: #888888;
    --mid-col: 2;
}

@media (max-width: 900px) {
    :root {
        --mid-col: 1;
    }
}

* {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: #a6abea;

}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background);
    background-image: linear-gradient(180deg, var(--background), rgba(00, 00, 00, 1));
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-attachment: local;
    margin: 0 !important;
    padding: 0 !important;
}

p {
    font-size: larger;
}

b,
strong,
h1,
h2 {
    color: #FFFFFF;
}

.barre-de-navigation {
    text-shadow: none;
    position: sticky;
    display: grid;
    grid-template-columns: repeat(4, 25%);
    grid-template-rows: repeat(1, 100%);
    grid-column-start: 1;
    grid-column-end: 5;
    grid-row-start: 1;
    grid-row-end: 1;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    background-color: #383a60;
}

.titre {
    width: 50px;
    grid-column-start: 1;
    grid-column-end: 1;
    grid-row-start: 1;
    grid-row-end: 1;
    margin-top: 10px;
    margin-left: 10px;
}

/* boutons - haut de page */
.navigation-entre-page {
    text-shadow: none;
    list-style-type: none;
    display: flex;
    padding: 10px;
    justify-content: space-around;
    position: absolute;
    right: 0;

}

.navigation-entre-page a {
    float: left;
    text-align: center;
    align-content: center;
    padding: 14px;
    margin: 0 5px;
    text-decoration: none;
    font-size: 17px;
    transition: all 0.2s;
    background-color: #000000aa;
    /* On active les transitions pour un effet *smooth* */
}

.navigation-entre-page a:hover {
    background-color: #ddd;
    color: black;
    padding: 14px 18px;
    margin: 0 1px;
}


.content {
    display: grid;
    grid-template-columns: 1fr 3fr 1fr;
    grid-template-rows: 80vh 20vh 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    height: 4500px;
}

@media (max-width: 900px) {
    .content {
        grid-template-columns: 1fr;
    }
}

#first-bg-img {
    grid-row-start: 1;
    grid-row-end: 3;
    grid-column-start: 1;
    grid-column-end: 4;
    z-index: -1;
    background-image: url("seal.png");
    background-blend-mode: darken;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 100%;
}

@media (max-width: 900px) {
    #first-bg-img {
        grid-column-end: 1;
    }
}

#page-title {
    grid-row: 1;
    grid-column: var(--mid-col);
    justify-items: center;
    align-self: center;
    text-align: center;
    background-color: var(--background-transparent);
    border-radius: 15px;
    border-color: var(--background-transparent);
}

#arrow-background {
    grid-row: 2;
    grid-column-start: 1;
    grid-column-end: 4;
    background-image: linear-gradient(180deg,
            rgba(32, 59, 97, 0) 0%, rgb(21, 47, 79) 100%);
}

@media (max-width: 900px) {
    #arrow-background {
        grid-column-end: 1;
    }
}

#arrow-down {
    grid-row: 2;
    grid-column: var(--mid-col);
    align-items: center;
    justify-items: center;

}

#arrow-down>img {
    width: 60%;
    height: 60%;
    align-self: center;
    justify-self: center;
    margin-left: 20%;
    margin-right: 20%;
    cursor: pointer;
}

#first-section {
    grid-row: 3;
    grid-column: var(--mid-col);
    text-align: center;
    align-items: center;
    justify-items: center;
    align-self: center;
    justify-self: center;
}

#video-france {
    grid-row: 4;
    grid-column: var(--mid-col);
    text-align: center;
    align-items: center;
    justify-items: center;
    align-self: center;
    justify-self: center;
}

#deuxieme-section {
    grid-row: 5;
    grid-column: var(--mid-col);
    text-align: center;
    align-items: center;
    justify-items: center;
    align-self: center;
    justify-self: center;
}

#troisieme-section {
    grid-row: 7;
    grid-column: var(--mid-col);
    text-align: center;
    align-items: center;
    justify-items: center;
    align-self: center;
    justify-self: center;
}

#video-france>p {
    padding-top: auto;
    margin-top: auto;
    color: var(--light);
}

#video-france>video {
    padding-bottom: auto;
    margin-bottom: auto;
}

button,
input {
    color: black;
}

#quatrieme-section {
    grid-row: 6;
    grid-column: var(--mid-col);
    text-align: center;
    align-items: center;
    justify-items: center;
    align-self: center;
    justify-self: center;
}

#quatrieme-section>div {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    text-align: center;
    align-content: center;
    justify-content: center;
    align-self: center;
    justify-self: center;
}

#quatrieme-section>div>img {
    align-self: center;
    justify-self: center;
    margin: auto 0;
    width: 80%;
    height: auto;
}

#sponsor-img1 {
    grid-column: 1;
}

#sponsor-img2 {
    grid-column: 2;
}

#sponsor-img3 {
    grid-column: 3;
}

#cinquieme-section {
    grid-row: 8;
    grid-column: var(--mid-col);
    text-align: center;
    align-items: center;
    justify-items: center;
    align-self: center;
    justify-self: center;
}

#plush {
    cursor: pointer;
}

#bot {
    grid-row: 9;
    text-align: center;
    grid-column-start: 1;
    grid-column-end: 4;
    align-self: center;
    justify-self: center;
    margin: auto auto 0 auto;
    font-size: small;
}