.about-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.about-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c3e50;
    text-shadow: 2px 2px #e0e0e0;
}

.about-heading {
    color: #0d6efd;
    font-weight: 600;
    margin-bottom: 15px;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
}

.about-img {
    width: 100%;
    max-height: 350px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-in-out; /* Thêm hiệu ứng cho ảnh lớn */
}

    .about-img:hover {
        transform: scale(1.1); /* Phóng to ảnh khi hover */
    }

.about-img-small {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    transition: transform 0.3s ease-in-out; /* Thêm hiệu ứng cho ảnh nhỏ */
}

    .about-img-small:hover {
        transform: scale(1.05); /* Phóng to ảnh nhỏ khi hover */
    }

.about-form {
    border-radius: 12px;
    overflow: hidden;
}

.btn-gradient {
    background: linear-gradient(45deg, #0d6efd, #6610f2);
    color: white;
    font-weight: bold;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    transition: 0.3s;
}

    .btn-gradient:hover {
        background: linear-gradient(45deg, #6610f2, #0d6efd);
    }

.about-contact li {
    font-size: 1.1rem;
    color: #333;
}

.about-contact a {
    color: #0d6efd;
    text-decoration: none;
    font-weight: 500;
}

    .about-contact a:hover {
        text-decoration: underline;
    }