.contact-card {
        border-radius: 15px;
        box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
    }
    .contact-card:hover {
        transform: translateY(-5px);
    }
    .form-control:focus {
        border-color: #86b7fe;
        box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    }
    .btn-submit {
        background: linear-gradient(to right, #4e73df, #224abe);
        border: none;
        transition: all 0.4s;
    }
    .btn-submit:hover {
        background: linear-gradient(to right, #224abe, #4e73df);
        transform: translateY(-2px);
    }