.cta {
    background: linear-gradient(135deg, var(--dark-blue), #273b74);
    color: white;
    text-align: center;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="white" fill-opacity="0.05" d="M50,0 C77.614,0 100,22.386 100,50 C100,77.614 77.614,100 50,100 C22.386,100 0,77.614 0,50 C0,22.386 22.386,0 50,0 Z M50,20 C33.431,20 20,33.431 20,50 C20,66.569 33.431,80 50,80 C66.569,80 80,66.569 80,50 C80,33.431 66.569,20 50,20 Z"/></svg>');
    background-size: 150px;
}

.cta h2 {
    color: white;
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 40px;
}

.cta .btn-primary {
    background: white;
    color: var(--primary-blue);
    font-weight: 700;
    padding: 15px 40px;
    font-size: 1.1rem;
}

.cta .btn-primary:hover {
    background: var(--light-blue);
}