* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color:#ffffff;
    font-family: "Inter", sans-serif;
    ;
}

header {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

h1 {
    color: #111111;
    padding: 0.5rem 1rem;
    margin: 2rem;
    text-align: center;
    font-size: 3rem;
    box-shadow: 5px 5px 100px rgba(0, 0, 0, 0.1);
    background-color:#ffffff;
    border: 1px solid #111111;
    border-radius: 33px;
}

.slogan {
   color: #111111;
   font-size: 3rem;
   font-style: oblique;
   font-weight: bold;
   text-align: center;
}

.intro-site {
    font-size: 3rem;
    font-style: oblique;
    font-weight: bold;
    color: #9440DD;
}

.ligne-problemes {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: space-evenly;
    width: 100%;
    margin-top: 2rem;
}

.carte-du-jour h2, .carte-hier h2 {
    font-weight: bold;
}

.carte-du-jour p, .carte-hier p {
    font-size: 1.3rem;
    font-style: italic;
}

.carte-du-jour, .carte-hier {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    gap: 2rem;
    justify-content:space-between;
    width: 25rem;
    background-color: #ffffff;
    border-radius: 20px;
    border: 1px solid #111111;
}

#enonce {
    width: 100%;
    gap: 0;
    margin: 0;
    padding: 0;
    text-align: justify;
}

#reponse-utilisateur {
    border-radius: 20px;
    padding: 1rem 2rem;
    background-color: #FFFFFF;
    font-size: 1.1rem;
    border: 1px solid #111111;    
    color: #111111;
    font-weight: 700;
}

#bouton-valider {
    border-radius: 20px;
    padding: 1rem 2rem;
    background-color: #E63E9C;
    font-size: 1.1rem;
    border: none;
    color: #FFFFFF;
    font-weight: 700;
}

#bouton-solution {
    border-radius: 20px;
    padding: 1rem 2rem;
    background-color: #E63E9C;
    font-size: 1.1rem;
    border: none;
    color: #FFFFFF;
    font-weight: 700;
}

#bouton-indice {
    border-radius: 20px;
    padding: 1rem 2rem;
    background-color: #E63E9C;
    font-size: 1.1rem;
    border: none;
    color: #FFFFFF;
    font-weight: 700;
}

#verdict {
    font-weight: bold;
    color: #16A34A;
}

h2 {
    color: #111111;
    font-size: 2rem;
}

@media (max-width: 1200px) {
    h1 {
        font-size: 3rem;
        text-align: center;
    }
    main {
        text-align: center;
    }
    .slogan, .intro-site {
        font-size: 2.5rem;
    }
    .carte-du-jour, .carte-hier {
        width: 25rem;
        margin: 1rem 0;
    }
    #enonce {
    text-align: center;
}
}

@media (max-width: 900px) {
    h1 {
        font-size: 2.5rem;
        text-align: center;
    }
    main {
        text-align: center;
    }
    .slogan, .intro-site {
        font-size: 2.0rem;
    }

    .carte-du-jour, .carte-hier {
        width: 20rem;
        margin: 1rem 0;
    }
    #enonce {
    text-align: center;
}
}

@media (max-width: 750px) {
    h1 {
        font-size: 2.0rem;
        text-align: center;
    }
    main {
        text-align: center;
    }
    .slogan, .intro-site {
        font-size: 1.5rem;
    }
    .ligne-problemes {
        flex-direction: column;
        align-items: center;
    }
    .carte-du-jour, .carte-hier {
        width: 100%;
        margin: 1rem 0;
    }
    #enonce {
    text-align: center;
    }
    .carte-du-jour h2, .carte-hier h2 {
    font-weight: bold;
    font-size: 1.5rem;
    }
    .carte-du-jour p, .carte-hier p {
        font-size: 1.0rem;
        font-style: italic;
    }
}