.contact-popup-trigger {
    display: inline-block;
}

.contact-popup-button {
    padding: 0.5em 1em;
    background: #0073aa;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.contact-popup-button:hover {
    background: #005f8c;
}

.contact-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
}

.contact-popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.contact-popup.open .contact-popup-overlay {
    opacity: 1;
}

.contact-popup-content {
    position: relative;
    background: #fff;
    max-width: 600px;
    width: 90%;
    max-height: 80%;
    margin: 5% auto;
    padding: 30px;
    border-radius: 5px;
    overflow: auto;
    transform: scale(0.8);
    opacity: 0;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

.contact-popup.open .contact-popup-content {
    transform: scale(1);
    opacity: 1;
}

.contact-popup-close {
    position: absolute;
    top: -30px;
    right: 0;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s ease;
    z-index: 1001;
}

.contact-popup-close:hover {
    background: #555;
}

@media (max-width: 600px) {
    .contact-popup-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }

    .contact-popup-close {
        width: 24px;
        height: 24px;
        line-height: 24px;
        font-size: 16px;
        top: -28px;
        right: 2px;
    }
}