/* Approved V2 reference: a water ceiling above, a central caustic pool clear of the edge decorations. */
.water-ripple{position:absolute;z-index:0;top:-24px;left:70.8%;width:min(54vw,1040px);height:clamp(105px,12vh,150px);transform:translateX(-50%);pointer-events:none;overflow:hidden;opacity:.92;filter:blur(.35px);mask-image:radial-gradient(ellipse 50% 100% at 50% 0%,#000 18%,rgba(0,0,0,.9) 48%,transparent 100%)}
.water-ripple canvas,.seabed-caustics canvas{display:block;width:100%;height:100%}
.seabed-caustics{position:absolute;z-index:0;bottom:0;left:0;width:100%;height:clamp(90px,16vh,175px);pointer-events:none;opacity:.9;filter:blur(.45px);mask-image:linear-gradient(to right,transparent 0%,transparent 20%,rgba(0,0,0,.3) 31%,#000 42%,#000 58%,rgba(0,0,0,.3) 69%,transparent 80%,transparent 100%)}
@media(max-width:800px){.water-ripple{width:78vw;height:104px;top:-22px;opacity:.84}.seabed-caustics{height:115px;opacity:.48}}
@media(max-width:480px){.water-ripple{width:100vw;height:94px;opacity:.76}.seabed-caustics{height:85px;opacity:.42}}