.hero>.wrap{position:relative;z-index:1}.birds{inset:0;overflow:hidden;pointer-events:none;z-index:0}.bird,.birds{position:absolute}.bird{left:0;top:var(--y);width:calc(30px * var(--s));height:auto;color:var(--ink);opacity:.85;animation:fly var(--t) linear var(--d) infinite}@keyframes fly{0%{transform:translate(-12vw)}50%{transform:translate(50vw,-16px)}to{transform:translate(112vw,-36px)}}@media (prefers-reduced-motion:reduce){.birds{display:none}}