@keyframes glow-sequence{0%,10%{transform:translateY(100%);opacity:0}15%,30%{opacity:1}50%,85%{transform:translateY(-100%);opacity:0}to{transform:translateY(100%);opacity:0}}.timeline-glow{position:relative;overflow:hidden}.timeline-glow:before{content:"";position:absolute;top:0;left:0;right:0;height:100px;background:linear-gradient(to top,transparent 0%,rgba(59,130,246,.8) 25%,rgba(59,130,246,1) 50%,rgba(59,130,246,.8) 75%,transparent 100%);border-radius:1px;animation-name:glow-sequence;animation-duration:calc(var(--total-items, 1) * .6s + .3s);animation-timing-function:ease-in-out;animation-iteration-count:infinite;animation-delay:calc(var(--animation-delay, 0) * -.6s);box-shadow:0 0 20px #3b82f6b3,0 0 40px #3b82f680,0 0 60px #3b82f64d}.dark .timeline-glow:before{background:linear-gradient(to top,transparent 0%,rgba(147,197,253,.8) 30%,rgba(147,197,253,1) 50%,rgba(147,197,253,.8) 70%,transparent 100%);box-shadow:0 0 15px #93c5fd99,0 0 30px #93c5fd66,0 0 45px #93c5fd33}