/* RESET */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Avenir, sans-serif;
}

/* NAVBAR */
nav{
    width: 100%;
    background-color: #30BDB5;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul{
    list-style: none;
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
}

nav ul li{
    text-align: center;
}

nav a{
    display: block;
    text-decoration: none;
    color: black;
    padding: 12px 15px;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

nav a:hover{
    color: orange;
    border-bottom: 2px solid gold;
}

/* Sous-menu */
.sous{
    display: none;
    background-color: white;
    position: absolute;
    width: 200px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

nav li:hover .sous{
    display: block;
}

.sous li{
    width: 100%;
}

.sous a{
    padding: 10px;
    color: black;
}

.sous a:hover{
    background-color: rgba(0,0,0,0.05);
}

.deroulant > a::after{
    content:" ▼";
    font-size: 12px;
}

/* CONTENEUR */
.conteneur{
    margin: 40px;
}

/* ZONES TEXTE (PC) */
#presentation,
#presentation2{
    max-width: 600px;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* LIENS */
#LienISVL,
#LienESCAP,
#LienTheoLeg,
#LienISVS{
    display: inline-block;
    margin: 10px 15px;
    font-size: 1.1rem;
    font-weight: bold;
    text-decoration: none;
}

/* Couleurs spécifiques */
#LienESCAP,
#LienISVS{
    color: white;
}

#LienISVL,
#LienTheoLeg{
    color: black;
}

/* RESPONSIVE MOBILE */
@media (max-width: 768px){

    nav ul{
        flex-direction: column;
    }

    nav ul li{
        width: 100%;
    }

    nav a{
        text-align: center;
    }

    .conteneur{
        margin: 20px;
        text-align: center;
    }

    #presentation,
    #presentation2{
        width: 100%;
        margin: 15px auto;
        font-size: 1rem;
    }

    #LienISVL,
    #LienESCAP,
    #LienTheoLeg,
    #LienISVS{
        display: block;
        width: 100%;
        margin: 10px auto;
        font-size: 1rem;
    }
}
.page{
    display: flex;
    min-height: 100vh;
}

/* Colonne image */
.zone-image{
    flex: 1;
    background-size: cover;
    background-position: center;
}

/* Colonne texte */
.zone-contenu{
    flex: 1;
    background-color: white;
    padding: 60px;
    color: #1e3f7a;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.zone-contenu h1{
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.zone-contenu p{
    font-size: 0.8rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Bouton */
.bouton{
    display: inline-block;
    background-color: #30BDB5;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    width: fit-content;
}

/* Mobile */
@media (max-width: 800px){
    .page{
        flex-direction: column;
    }

    .zone-image{
        height: 40vh;
    }

    .zone-contenu{
        padding: 30px;
        text-align: center;
    }

    .bouton{
        margin: 0 auto;
    }
}