/* Popup overlay styles */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.popup-content {
    background: #fff;
    padding: 1.5em;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 750px;
}

.popup-content h3 {
    margin: 0;
}

.popup-content form {
    display: flex;
    flex-direction: column;
}

.popup-content form label {
    margin: 0.5em 0 0.2em;
}

.popup-content form input,
.popup-content form textarea {
    padding: 0.5em;
    margin-bottom: 1em;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.popup-content form button {
    margin-top: 0.5em;
}

/* Custom Send button color, hover, and focus effect */
.btn-send {
    background: #007ae3 !important;
    color: #fff !important;
    border: none;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,122,227,0.10);
    transition: background 0.2s, box-shadow 0.2s;
    outline: none;
}
.btn-send:hover,
.btn-send:focus {
    background: #005bb5 !important;
    box-shadow: 0 4px 12px rgba(0,122,227,0.18);
}