.cta-card {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .cta-container {
        background: white;
        padding: 40px;
        border-radius: 12px; 
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        text-align: center;
        max-width: 500px;
    }

    .cta-unlock-btn {
        background-color: var(--color-accent);
        color: white;
        border: none;
        padding: 14px 32px;
        font-size: 20px;
        font-weight: 600;
        border-radius: 8px;
        cursor: pointer;
        transition: all 260ms ease -in -out;
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        font-family: var(--font-family-primary);
    }

    .unlock-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    }

    .unlock-btn:active {
        transform: translateY(0);
    }

    .unlock-btn:focus-visible {
        outline: 3px solid #9cf;
        outline-offset: 2px;
    }

    .unlock-btn.loading {
        opacity: 0.7;
        pointer-events: none;
    }

    .unlock-btn.loading::after {
        content: '';
        display: inline-block;
        width: 16px;
        height: 16px;
        margin-left: 8px;
        border: 2px solid rgba(255, 255, 255, 0.3);
        border-top-color: white;
        border-radius: 50%;
        animation: spin 600ms linear infinite;
        vertical-align: middle;
    }