.seam--edge{--blk: clamp(16px, 2vw, 24px);position: relative;z-index: 1;height: calc(var(--blk) * 2);margin-block: calc(var(--blk) * -1);pointer-events: none;}.seam--edge .seam-p{position: absolute;top: 0;left: max(var(--gutter), calc((100% - var(--measure)) / 2));width: calc(var(--blk) * 3);height: var(--blk);overflow: hidden;filter: none;}.seam--edge .seam-p i{position: absolute;left: calc(var(--x) * var(--blk));top: calc(var(--y) * var(--blk));width: var(--blk);height: var(--blk);background: var(--to);box-shadow: none;}@media (prefers-reduced-motion: no-preference){.seam--edge.is-armed .seam-p i{transform: translateY(var(--blk));}.seam--edge.is-locked .seam-p i{transform: none;transition: transform 200ms steps(1, end);}}