body {
    background-color: #0a1e3d; 
    color: #c8e6ff;
    font-family: 'Arial', sans-serif;
    padding: 40px 20px;
}

h1, h2, p, ul {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    font-size: 3em;
    text-align: center;
    color: #64c8ff;
    margin-bottom: 30px;
    text-shadow: 0 0 15px rgba(100, 200, 255, 0.6);
}

h2 {
    font-size: 2em;
    color: #89d4ff;
    margin-top: 40px;
    margin-bottom: 20px;
    text-align: center;
}

p {
    font-size: 1.2em;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: center;
}

ul {
    background-color: rgba(100, 200, 255, 0.1);
    padding: 20px 40px;
    border-radius: 10px;
    border-left: 4px solid #64c8ff;
}

li {
    margin-bottom: 15px;
    font-size: 1.1em;
}

strong {
    color: #89d4ff;
}

.liste-images {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    max-width: 1400px;
    margin: 40px auto;
}

.liste-images > p {
    width: 100%;
}

.liste-photos {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    margin: 40px auto;
}

.liste-vos-images {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    max-width: 1400px;
    margin: 40px auto;
}

.message-vide {
    text-align: center;
    font-style: italic;
    color: #89d4ff;
    width: 100%;
}

.img {
    width: 40%;
    box-sizing: border-box;
}

.img h3 {
    color: #89d4ff;
    font-size: 1.3em;
    margin-bottom: 10px;
    text-align: center;
}

.img img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: all 0.3s ease; 
    cursor: pointer;  
    border-radius: 8px; 
}

.img img:hover {
    box-shadow: 0 0 20px rgba(100, 200, 255, 0.8); 
    transform: scale(1.05); 
}

.img .description {
    font-size: 0.95em;
    color: #b8d9f0;
    text-align: center;
    padding: 10px;
    font-style: italic;
}


.popup_invisible {
    display: none;
}

.popup_visible {
    display: flex;
}

.popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    margin: 0;
    padding: 0;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
}

.popup img {
    margin: 0;
    padding: 0;
    display: block;
    max-width: 90%;
    max-height: 90vh;
}


.formulaire-container {
    max-width: 800px;
    margin: 40px auto;
    background-color: rgba(100, 200, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #64c8ff;
}

.champ-formulaire {
    margin-bottom: 20px;
}

.champ-formulaire label {
    display: block;
    font-size: 1.1em;
    color: #89d4ff;
    margin-bottom: 8px;
    font-weight: bold;
}

.champ-formulaire input {
    width: 100%;
    padding: 12px;
    font-size: 1em;
    border: 2px solid #64c8ff;
    border-radius: 8px;
    background-color: rgba(10, 30, 61, 0.8);
    color: #c8e6ff;
    box-sizing: border-box;
}

.champ-formulaire input:focus {
    outline: none;
    border-color: #89d4ff;
    box-shadow: 0 0 10px rgba(100, 200, 255, 0.5);
}


#apercu-container {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 2px solid rgba(100, 200, 255, 0.3);
}

#apercu-container h3 {
    color: #89d4ff;
    text-align: center;
    margin-bottom: 20px;
}

.apercu {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

#apercu-image {
    display: none;
}

#apercu-image[src]:not([src=""]) {
    display: block;
    max-width: 400px;
    max-height: 400px;
}

#bouton-envoi {
    background-color: #64c8ff;
    color: #0a1e3d;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: auto;
    padding: 15px 40px;
    display: block;
    margin: 20px auto;
    border: none;
    font-size: 1.1em;
}

#bouton-envoi:hover {
    background-color: #89d4ff;
    box-shadow: 0 0 15px rgba(100, 200, 255, 0.8);
    transform: scale(1.05);
}

footer{
     background-color: rgba(100, 200, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    border: 2px solid #64c8ff;
}