.mkt-social-btn {
        width: 52px;
        height: 52px;
        border-radius: 14px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        background: #0a66c2;
        text-decoration: none;
        transition: transform .15s ease, box-shadow .15s ease;
        box-shadow: 0 4px 14px rgba(10, 102, 194, .35);
    }
    .mkt-social-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(10, 102, 194, .45); }
    .mkt-social-btn--muted {
        background: linear-gradient(135deg, #12c7c9, #007fc8);
        box-shadow: 0 4px 14px rgba(0, 127, 200, .3);
    }
    .mkt-social-btn--muted:hover { color: #fff; box-shadow: 0 6px 20px rgba(0, 127, 200, .4); }
    .mkt-social-btn--fb {
        background: #1877f2;
        box-shadow: 0 4px 14px rgba(24, 119, 242, .35);
    }
    .mkt-social-btn--fb:hover { color: #fff; box-shadow: 0 6px 20px rgba(24, 119, 242, .45); }
    .mkt-social-btn--ig {
        background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
        box-shadow: 0 4px 14px rgba(220, 39, 67, .35);
    }
    .mkt-social-btn--ig:hover { color: #fff; box-shadow: 0 6px 20px rgba(220, 39, 67, .45); }
    .mkt-social-btn--x {
        background: #0f1419;
        box-shadow: 0 4px 14px rgba(15, 20, 25, .35);
    }
    .mkt-social-btn--x:hover { color: #fff; box-shadow: 0 6px 20px rgba(15, 20, 25, .5); }