/* Global */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
    background-color: #f5f5f5;
}

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Header */
header {
    background: #2c3e50;
    color: white;
    padding: 60px 20px;
}

header h1 {
    font-size: 2.5em;
}

.buttons {
    margin-top: 20px;
}

.btn {
    background: #2980b9;
    color: white;
    padding: 15px 25px;
    margin: 10px;
    border: none;
    cursor: pointer;
    font-size: 1em;
    border-radius: 5px;
    transition: 0.3s;
}

.btn:hover {
    background: #1a5276;
}

/* Section Présentation */
.presentation {
    padding: 50px 20px;
    background: white;
}

.presentation h2 {
    color: #2c3e50;
    font-size: 2em;
}

.presentation ul {
    list-style: none;
    padding: 0;
}

.presentation li {
    font-size: 1.2em;
    margin: 10px 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    padding: 20px;
    margin: 10% auto;
    width: 50%;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    text-align: center;
    position: relative;
}

.modal-content h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.modal-content input,
.modal-content textarea {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.modal-content .btn {
    background: #2980b9;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
}

.modal-content .btn:hover {
    background: #1a5276;
}

.close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 25px;
    cursor: pointer;
}
/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.footer-columns {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    max-width: 1200px;
    margin: auto;
}

.footer-columns div {
    width: 22%;
    min-width: 200px;
    margin-bottom: 20px;
}

.footer-columns h3 {
    border-bottom: 2px solid #3498db;
    display: inline-block;
    padding-bottom: 5px;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin: 5px 0;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

.footer-links a:hover {
    color: #3498db;
}

.footer-contact p {
    margin: 5px 0;
}

.footer-social a {
    margin: 0 5px;
}

.footer-social img {
    width: 30px;
    transition: 0.3s;
}

.footer-social img:hover {
    transform: scale(1.1);
}

.copyright {
    margin-top: 20px;
    font-size: 0.9em;
}