@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100;400;700&display=swap');

body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    min-width: 400px;
}

header {
    padding: 15px;
}

nav ul {
    list-style-type: none;
    margin: 0; padding: 0;
}
nav ul li {
    display: inline-block;
    margin-left: 10px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 100;
}
nav ul li a:hover {
    font-weight: 700;
}

h2 {
    text-align: center;
    margin-top: 50px;
    margin-bottom: 0;
    font-size: 2em;
}

a {
    text-decoration: none;
}

h3 {
    font-size: 1.5em;
}

footer {
    border-top: 3px solid black;
    margin-top: 50px;
    padding: 30px;
}

#bienvenue {
    background-color: black;
    height: 100vh;
    color: white;
    overflow: hidden;
}

#flex-header {
    display: flex;
    justify-content: space-between;
}

#flex-presentation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: calc(100vh - 50px);
}

#projet-grille {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(70px, auto);
    grid-gap: 15px;
}

#contact {
    margin-top: 30px;
    text-align: center;
}

#jump_start {
    background: url('images/points.png'), center url('images/jump-start.png');
    background-size: cover;
    height: 100vh;
    color: white;
    overflow: hidden;
}

#coconut_grove {
    background: url('images/coconut-grove.png');
    background-size: cover;
    height: 100vh;
    color: white;
    overflow: hidden;
}
.container {
    width: 1100px;
    margin: 0 auto;
}

.gauche-presentation {
    width: 50%;
}
.gauche-presentation h1 {
    font-size: 3em;
    margin: 0;
}

.droite-presentation {
    width: 50%;
    text-align: center;
}
.droite-presentation img {
    width: 70%;
}

.texte-presentation {
    text-align: center;
}

.projet {
    background: black;
    border-radius: 5px;
    color: white;
    padding: 30px 25px;
    transition: all .3s;
    text-shadow: 0 0 15px black;
}
.projet:hover {
    opacity: .7;
}

.projet-a {
    background: center url('images/jump-start.png');
    background-size: cover;
}
.projet-b {
    background: center url('images/rodeo-pump.jpg');
    background-size: cover;
}
.projet-c {
    background: center url('images/pac-man.jpg');
    background-size: cover;
}
.projet-d {
    background: center url('images/mega-pop.jpg');
    background-size: cover;
}

.projet-e {
    background: center url('images/coconut-grove-empty.png');
    background-size: cover;
}
.bouton {
    background: black;
    color: white;
    padding: 15px 30px;
    margin-top: 15px;
}

@media all and (max-width: 1130px) {
    .container {
        width: 700px;
    }
    #flex-presentation, .texte-presentation {
        padding: 15px;
    }
    #projet-grille {
        grid-template-columns: repeat(2, 1fr);
        padding: 30px;
    }
}

@media all and (max-width: 730px) {
    .container {
        width: 100%;
    }
    .gauche-presentation {
        width: 100%;
    }
}