.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.btn-primary { background-color: #2196F3; color: white; }
.btn-primary:hover { background-color: #1976D2; }
.btn-secondary { background-color: #95a5a6; color: white; }
.btn-secondary:hover { background-color: #7f8c8d; }