/* =============================================
   FOOTPRINT BRIDGES — between sections
   ============================================= */
.footprint-bridge {
    position: relative;
    width: 100%;
    overflow: visible;
    /* Height will be set by JS based on number of footprints */
}

.footprint-bridge .bridge-foot {
    position: absolute;
    /* width set by JS (FOOT_SIZE) */
    height: auto;
    opacity: 0;
    transition: opacity 0.4s ease-out;
    transform-origin: center;
}

.footprint-bridge .bridge-foot.visible {
    opacity: 0.3;
}