:root{--ease-in:cubic-bezier(.755, .05, .855, .06);--ease-out:cubic-bezier(.23, 1, .32, 1);--ease-in-out:cubic-bezier(.86, 0, .07, 1);--ease-out-quart:cubic-bezier(.175, .79, .38, .905);--ease-in-out-quart:cubic-bezier(.645, .045, .355, 1);--gold:#e4cb58;--dark-gold:#feb44a}.button__submit{position:relative}.button__submit:hover .button__label{color:#000}.button__label{color:#fff;text-align:center;transition:color 50ms var(--ease-in-out-quart);z-index:10;position:relative}.button__submit:hover .button__label{transition:color .15s var(--ease-in-out-quart)}.button__filler{transform-origin:0 0;will-change:transform;position:absolute;inset:0;transform:scale(0)}.button__filler:before{aspect-ratio:1;background-color:var(--gold);content:"";pointer-events:none;z-index:0;border-radius:50%;width:200%;display:block;position:absolute;top:0;left:0;transform:translate(-50%,-50%)}