/* Base Styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

h1, h2 {
    text-align: center;
}

.interpreter-grid, .level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.interpreter-card, .level-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.interpreter-card:hover, .level-card:hover {
    transform: translateY(-5px);
}

.interpreter-card img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.interpreter-title {
    font-style: italic;
    color: #666;
}

#reserve-btn {
    display: block;
    width: 200px;
    margin: 30px auto;
    padding: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    text-align: center;
}

#reserve-btn:hover {
    background-color: #0056b3;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 20px;
    border-radius: 8px;
    max-width: 400px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1, h2 {
        font-size: 1.5rem;
    }
    #reserve-btn {
        width: 100%;
    }
}