/* Utilisation de la police 'Montserrat' de Google Fonts pour un look moderne */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

body {
    font-family: 'Montserrat', Arial, Helvetica, sans-serif;
    background:url(../paysag1.png);
    background-size: 100%;
    background-attachment: fixed;
    color: #232946;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    font-weight: bold;
}

.main-content {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 8px 32px #0002;
    border-radius: 22px;
    padding: 44px 38px;
    margin-top: 56px;
    max-width: 700px;
    width: 92%;
}

h1 {
    color: #4f3ff0;
    font-size: 2.6em;
    margin-bottom: 0.7em;
    letter-spacing: 1.5px;
    font-weight: 700;
}

p {
    font-size: 1.18em;
    line-height: 1.8;
    margin: 1.1em 0;
}

img {
    display: block;
    margin: 22px auto;
    max-width: 100%;
    border-radius: 14px;
    box-shadow: 0 2px 12px #0002;
}

details {
    margin-top: 1.7em;
    font-size: 1.05em;
    background: #f3f6fd;
    padding: 0.9em 1.2em;
    border-radius: 8px;
    cursor: pointer;
    display: inline-block;
    color: #232946;
    box-shadow: 0 1px 4px #0001;
}

/* Carré animé pour l'image */
.moving-box {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 120px;
    height: 120px;
    z-index: 1000;
    animation: moveBox 50s linear infinite alternate;
}

.moving-box img {
    width: 90px;
    height: 90px;
    object-fit: contain;
    border-radius: 14px;
    box-shadow: none;
}

@keyframes moveBox {
    0%   { top: 20px; left: 20px; }
    25%  { top: 20px; left: calc(100vw - 160px); }
    50%  { top: calc(100vh - 160px); left: calc(100vw - 160px); }
    75%  { top: calc(100vh - 160px); left: 20px; }
    100% { top: 20px; left: 20px; }
}