/* Decorative moving light stays behind the content and out of the input path. */
.ambient-host{isolation:isolate;position:relative}
.build-stage.ambient-host{position:sticky}
.ambient-field{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;contain:strict}
.ambient-switch{position:fixed;z-index:25;right:20px;bottom:20px;display:flex;align-items:center;gap:9px;padding:11px 15px;border:1px solid #91eaff60;border-radius:30px;background:#071323ed;color:#dcf8ff;font-size:10px;box-shadow:0 5px 24px #0005;backdrop-filter:blur(12px);transition:opacity .2s,transform .2s}
.ambient-switch::before{content:'';width:6px;height:6px;border-radius:50%;background:#70efff;box-shadow:0 0 10px #70efff}
.ambient-switch[aria-pressed=true]::before{background:#8296a8;box-shadow:none}
.ambient-switch[hidden]{display:none}
.ambient-host .section-tag{position:relative}
.ambient-host .section-tag::after{content:'';position:absolute;bottom:-1px;left:0;width:75px;height:2px;background:linear-gradient(90deg,transparent,#85ecff,transparent);box-shadow:0 0 16px #4fcaff66;animation:ambient-signal 9s ease-in-out infinite;animation-play-state:paused}
.ambient-host.ambient-visible .section-tag::after{animation-play-state:running}
.contact .section-tag::after{background:linear-gradient(90deg,transparent,#243e7a,transparent);box-shadow:none}
.value-rail{overflow:hidden}.value-rail.ambient-host>span{position:relative}
@keyframes ambient-signal{0%,100%{left:0;opacity:.25}50%{left:calc(100% - 75px);opacity:1}}
@media(max-width:700px){.ambient-switch{right:12px;bottom:12px;font-size:9px;padding:10px 12px}footer{padding-bottom:70px}}
@media(prefers-reduced-motion:reduce){.ambient-host .section-tag::after{animation:none!important}}