*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}

/* Dégradé bleu doux → blanc */
body{
    background: linear-gradient(to bottom, #8fa8ff, #ffffff);
    margin-left: 50px;
    margin-right: 50px;
    color: #000;
}

/* Animation d’apparition des titres */
h1, h2 {
    animation: fadeSlide 0.9s ease-out;
}

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0px);
    }
}

/* Titres */
h1{
    font-size: 25px;
    color: #000;
    text-align: center;
    font-weight: 600;
    border-bottom: 1px solid #444;
    padding-bottom: 30px;
    margin-top: 30px;
}
h1 span {
    color: #1E40FF;       
    font-weight: 700;     
    letter-spacing: 1px;   
}


h2{
    font-size: 22px;
    color: #000;
    font-weight: 600;
    margin-top: 30px;
    text-decoration: underline;
}

/* Paragraphes */
p{
    margin: 20px 0;
    line-height: 1.6;
    color: #000;
}

/* Listes */
ul {
    margin: 10px 0;
    padding-left: 20px;
}

li {
    color: #000;
    margin: 5px 0;
}

/* Liens */
a{
    color: #1E40FF;
    text-decoration: underline;
}


details {
    margin: 20px 0;
    color: #000;
    border: 1px solid #666;
    padding: 10px;
    border-radius: 5px;
    background: rgba(255,255,255,0.7); 
}

/* Résumé  */
summary {
    cursor: pointer;
    font-weight: bold;
    color: #000;
}