.sticky-btn {
    position: sticky;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(20, 28, 82, 0.85);
    backdrop-filter: blur(4px);
}

.sticky-btn .btn-group {
    justify-content: center !important;
    padding: 1.5rem 1rem;
}