/* One broad, subdued light field traverses all chapters after the hero. */
.portfolio-flow{position:relative;isolation:isolate;background:#030705;display:flow-root}
.portfolio-ambient{position:sticky;top:0;height:100vh;height:100svh;margin-bottom:-100vh;margin-bottom:-100svh;overflow:hidden;pointer-events:none;z-index:-1;background:#030605}
.portfolio-ambient::before{content:"";position:absolute;inset:-30%;will-change:transform,filter;background:radial-gradient(ellipse 56% 50% at 50% 50%,#123d23 0%,#0c2a19 27%,#071a10 49%,transparent 76%);animation:ambient-drift 24s ease-in-out infinite}
.portfolio-ambient::after{content:none}
.portfolio-flow>.section{position:relative}
.portfolio-flow>.experience,.portfolio-flow>.works,.portfolio-flow>.about.strengths,.portfolio-flow>.contact.contact-finale{background:transparent;border-top:0;border-bottom:0}
@keyframes ambient-drift{
  0%,100%{transform:translate(-27%,-22%) scale(1.02);filter:hue-rotate(0deg)}
  25%{transform:translate(27%,-9%) scale(1.12);filter:hue-rotate(32deg)}
  50%{transform:translate(22%,27%) scale(1.05);filter:hue-rotate(-32deg)}
  75%{transform:translate(-25%,20%) scale(1.16);filter:hue-rotate(-14deg)}
}
@media(prefers-reduced-motion:reduce){.portfolio-ambient::before{animation:none;will-change:auto}}