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

body, html {
    height: 100%;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #0000000d;
    color: #fff;
}

.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.video-background video {
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
}

.content {
    position: relative;
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
    max-width: 500px;
    width: 100%;
}

.header {
    margin-bottom: 30px;
}

.logo {
    width: 350px;
    margin-bottom: 20px;
}

.app {
    height: 120px;
    margin-bottom: 20px;
}


h1 {
    font-size: 24px;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

label {
    font-size: 16px;
    text-align: left;
}

input, select, textarea {
    padding: 10px;
    border-radius: 5px;
    border: none;
    width: 100%;
    font-size: 16px;
}

button {
    padding: 10px;
    border: none;
    border-radius: 5px;
    background-color: #4CAF50;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #45a049;
}

.success-message {
    margin-top: 20px;
    color: #4CAF50;
    font-weight: bold;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 20px;
    }

    .logo {
        width: 120px;
    }

    .app {
        height: 100px;
        margin-bottom: 20px;
    }
}

/* Fenêtre modale */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #07b80d;
    color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    width: 300px;
    max-width: 90%;
    text-align: center;
}

.close-button {
    color: #de0505;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: #ff0000;
}