body {
    overflow-y: scroll;
    padding: 0;
    margin: 0;
}


nav {
    position: absolute;
    top: 0;
    right: 0;
    width: 100vw;
    height: 7vh;
    display: flex;
    justify-content: space-between;
    align-items: center; /* ajoute ça pour centrer verticalement */
    background: rgba(0, 0, 0, 0.3); /* noir transparent */
    backdrop-filter: blur(10px); /* effet flou derrière */
    -webkit-backdrop-filter: blur(10px); /* support Safari */
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); /* une légère bordure pour le contraste */



    border-bottom-left-radius: 1vw;
    border-bottom-right-radius: 1vw;

}
.classicNav {

    width: 40vw;
    display: flex;
    justify-content: space-between;
    align-items: center; /* centrage vertical */
    padding-left: 5vw;
    padding-right: 5vw;


}

.classicNav img {
    height: 80%; /* ajuster la taille de l'icône */
}

.classicNav a {
    color: white;
    text-decoration: none;
    line-height: 7vh; /* ou padding pour centrer verticalement */
    font-weight: 500;
}

.logreg {
    display: flex;
    align-items: center; /* centrage vertical */
    gap: 0.5rem;
}

nav button {
    height: 5vh;
    cursor: pointer;
    border: none;
    background-color: transparent;
    color: white;
    font-weight: 600;
    padding: 0 0.7rem;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    font-size: 2.5vh;
}

nav button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}



.firstView{
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-content: center;
    text-align: center;

}





h1 {
    font-size: 10vh;
    margin-bottom: 2vh;
    margin-top: 0;
}
h2 {
    margin-top: 2vh;
}



.what{
    display: flex;
    height: 100vh;

}

.what > div{
    width: 50vw;
}
.text{
    max-width: 50vw;
    background: none;

    background: linear-gradient(135deg in srgb-linear, #0f2027, #203a43, #2c5364);

    padding-left: 4vw;
    padding-right: 4vw;
    height: 100vh;
    padding-top: 10vh;
    box-sizing: border-box; /* Ajoute ça */
    display: flex;
    flex-direction: column;
    align-items: center;
}
.what > div > img{
    width: 50vw;
    height: 100vh;
}


.solutionBtn{
    height: 6vh;
    padding: 3vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-radius: 4vh;
    background-color: white;
    margin-top: 5vh;
}