.round-btn {
    display: inline-block;
    padding: 12px 28px;
    background: #003255;
    color: #fff !important;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: 0.3s ease-in-out;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    margin: 30px 0; /* top & bottom spacing */
border: 1px solid #4dc3cf; /* added border */
}

.round-btn:hover {
    background: #003255;
border-color: #4dc3cf; /* darker border on hover */
color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}