* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
}

body {
    font-family: "Roboto", Verdana, sans-serif;
    font-weight: 400;
    font-style: normal;
    color: white;
    background-color: #1c2127;
    display: flex;
    flex-direction: column;
}

.head {
    display: flex;
    justify-content: center;
    align-items: center;
}

#logoSite {
    height: 100px;
    padding: 20px;
}

nav ul {
    display: flex;
    justify-content: space-evenly;
    background-color: #333742;
    padding: 12px;
    margin-bottom: 10px;
}

nav ul li {
    list-style-type: none;
    background-color: #292d38;
    border: 1px solid #646871;
    padding: 10px 30px 10px 30px;
    border-radius: 15px;
    box-shadow: 6px 6px 12px 1px rgba(10,10,10,0.75);
}

nav ul li:hover {
    border: 1.5px solid #0372ff;
    box-shadow: none;
}

nav ul li a {
    color: white;
    font-size: large;
}

main {
    width: 98%;
    max-width: 1920px;
    display: flex;
    flex-direction: column;
    margin: auto;
}

.titre {
    margin: auto;
    padding-top: 10px;
    padding-bottom: 0px;
}

h1 {
    font-weight: 500;
    letter-spacing: 2px;
}

form {
    flex: 1;
    display: flex;
    margin: 10px
}

section {
    padding: 20px;
    margin : 15px;
    flex: 1;
    background-color: #292d38;
    border: 1px solid #646871;
    display: flex;
    flex-direction: column;
    border-radius: 20px;
    box-shadow: 10px 10px 12px 1px rgba(10,10,10,0.75);
}

label {
    margin-bottom: 5px;
}

input {
    margin-bottom: 15px;
    width: 75%;
    height: 25px;
    padding: 15px;
    font-size: large;
    outline: none;
    border-radius: 4px;
}

input:focus {
    border: 2px solid #0372ff;
    background-color: #cee3fd;
}

input::placeholder {
    font-size: medium;
  }

select {
    margin-bottom: 15px;
    width: 75%;
    height: 25px;
    font-size: large;
    border-radius: 4px;
}

select:focus {
    border: 2px solid #0372ff;
    background-color: #cee3fd;
}

button {
    margin-top: 15px;
    background-color: #0372ff;
    border: 1px solid #646871;
    color: white;
    font-size: large;
    width: 150px;
    padding: 10px;
    border-radius: 15px;
}

button:hover {
    cursor: pointer;
}

.information {
    padding: 20px;
    margin : 30px 15px 30px 15px;
    background-color: #292d38;
    border: 1px solid #646871;
    border-radius: 20px;
    box-shadow: 10px 10px 12px 1px rgba(10,10,10,0.75);
    font-weight: 400;
}

.information h2 {
    font-weight: 420;
}

.menu2 {
    opacity: 0;
}



.hidden {
    display: none;
}

.graphique {
    position: relative;
    width: 100%;
    height: 50vh;
    max-width: 1450px;
    margin: auto;
}

.label3 {
    display: none;
}

@media (max-width: 540px) {
    form {
        flex-direction: column;
    }


}

@media (max-width: 440px) {
    .menu {
        display: none;
    }

    .menu2 {
        opacity: 1;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    .menu2 li {
        margin-top: 10px;
        margin-bottom: 10px;
        width: 60%;
        text-align: center;
    }

    nav ul {
        margin-bottom: 0px;
    }
}


/* --------------- CONTACT & PROPOS ------------------------- */

.propos {
    padding: 20px;
    margin : 30px 15px 30px 15px;
    background-color: #292d38;
    border: 1px solid #646871;
    border-radius: 20px;
    box-shadow: 10px 10px 12px 1px rgba(10,10,10,0.75);
}

.propos h1 {
    text-align: center;
}

.propos a {
    color: white;
    text-decoration: underline;
}

.contact {
    padding: 20px;
    margin : 30px 15px 30px 15px;
    background-color: #292d38;
    border: 1px solid #646871;
    border-radius: 20px;
    box-shadow: 10px 10px 12px 1px rgba(10,10,10,0.75);
}

.contact h1 {
    text-align: center;
}

.contact a {
    color: white;
    text-decoration: underline;
}