/* ==========================================================
   FOOTER — gradient overlay via pseudo-element
   (.footer-overlay class applied to a child div)
   ========================================================== */
.footer-overlay {
    background: linear-gradient(
        180deg,
        rgba(31, 66, 137, 0.55) 0%,
        rgba(26, 55, 118, 0.7) 45%,
        rgba(5, 16, 46, 0.95) 100%
    );
}