.footer-section {
    background: linear-gradient(
        135deg,
        #111a55 0%,
        #18154f 50%,
        #21105e 100%
    );

    border-radius: 0 0 10px 10px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 30px rgba(0,0,0,.25);
}

.footer-section .container {
    padding-left: 2rem;
    padding-right: 2rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    transition: .3s;
}

.social-icon:hover {
    background: #7c4dff;
    border-color: #7c4dff;
    color: #fff;
    transform: translateY(-3px);
}

.footer-link {
    color: rgba(255,255,255,.8);
    text-decoration: none;
    transition: .3s;
}

.footer-link:hover {
    color: #fff;
}

.promo-card {
    background: linear-gradient(
        135deg,
        #3106ae 0%,
        #3106ae 50%,
        #1a55fb 100%
    );
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    color: rgba(255,255,255,.75);
    font-size: 14px;
    padding: 14px;
}