.lienhe {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #f5f5f5;
    padding: 20px;
    max-width: 1180px;
    margin: 0 auto;
    gap: 20px;
}

.form-lienhe {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
}

.form-lienhe h2 {
    margin: 0 0 20px;
    font-size: 2em;
    text-align: left;
}

.form-lienhe p {
    margin: 0 0 20px;
    font-size: 1em;
    color: #666;
}

.nhap-lienhe {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    background-color: #fff;
    border-radius: 5px;
    padding: 10px;
    border: 1px solid #ddd;
}

.nhap-lienhe i.icon {
    margin-right: 10px;
    color: #888;
}

.nhap-lienhe input,
.nhap-lienhe textarea {
    border: none;
    outline: none;
    background: none;
    width: 100%;
    font-size: 1em;
    color: #333;
}

.nhap-lienhe textarea {
    resize: none;
    height: 100px;
}

:where(#form-lienhe, .he-contact-newsletter-form) button {
    width: 100%;
    padding: 15px;
    background-color: #ffa500;
    border: none;
    color: white;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
}

:where(#form-lienhe, .he-contact-newsletter-form) button:hover {
    background-color: #ff8c00;
}

.ban-do {
    width: 100%;
}

@media (min-width: 768px) {
    .lienhe {
        flex-direction: row;
        align-items: flex-start;
    }

    .ban-do {
        flex: 1;
        min-width: 300px;
    }

    .ban-do iframe {
        width: 100%;
        height: 580px;
    }
}
/* Existing CSS for contact section (unchanged) */
.contact-section {
    background-color: #d2910f;
    color: white;
    padding: 40px;
    text-align: center;
    margin-top: 50px;
}

.contact-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px;
}

.contact-form input, 
.contact-form textarea {
    padding: 10px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    color: #000
}

.contact-form textarea {
    height: 100px;
}

.contact-form button {
    background-color: #fff;
    color: #000;
    border: none;
    padding: 15px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
}

.contact-form button:hover {
    background-color: #cc5200;
}

.contact-info {
    flex: 1;
    padding: 20px;
    background-color: white;
    color: #007bff;
    border-radius: 5px;
    text-align: left;
    margin-top: 20px;
    font-family: roboto;
}

.contact-info p {
    margin: 10px 0;
    text-align: center;
    font-weight: 700;
    font-family: roboto;
}

.info-item {
    display: flex;
    align-items: center;
    margin: 15px 0;
    justify-content: center;
}

.info-item i {
    font-size: 30px;
    margin-right: 10px;
    color: #d2910f;
}

.info-item a {
    color: #d2910f;
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

.popup-form {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.popup-content {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    text-align: center;
}

.popup-content h3 {
    margin-bottom: 20px;
}

.popup-content input, 
.popup-content textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.popup-content button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.popup-content button:hover {
    background-color: #0056b3;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 24px;
    cursor: pointer;
}
.contact-section .btn-sub{
    margin-top: 20px;
    font-size: 20px;
    font-weight: 700;
    color: #10857e;
    background: #fff;
    width: 30%;
}
/* Văn hóa công ty */