.portfolio-return-guide-active::after{content:"";position:fixed;z-index:18;left:50%;bottom:-2px;width:100vw;height:clamp(90px,18vh,190px);transform:translateX(-50%);border-radius:50% 50% 0 0;background:radial-gradient(ellipse at 50% 100%,rgba(255,255,255,.72),rgba(255,255,255,.2) 30%,transparent 72%);filter:blur(15px);pointer-events:none;mix-blend-mode:screen;animation:portfolio-return-horizon 2.8s ease-in-out infinite}
.portfolio-return-guide-active::before{content:"";position:fixed;z-index:19;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.88);box-shadow:0 0 26px 7px rgba(255,255,255,.48);pointer-events:none;animation:portfolio-return-line 2.8s ease-in-out infinite}
@keyframes portfolio-return-horizon{0%,100%{opacity:.22;transform:translateX(-50%) scaleX(.76)}50%{opacity:.92;transform:translateX(-50%) scaleX(1.08)}}
@keyframes portfolio-return-line{0%,100%{opacity:.2;transform:scaleX(.58)}50%{opacity:.9;transform:scaleX(1)}}
@media(max-width:760px){.portfolio-return-guide-active::after{width:100vw;height:120px}.portfolio-return-guide-active::before{left:8%;right:8%}}
@media(prefers-reduced-motion:reduce){.portfolio-return-guide-active::after{animation:none}}