/* A continuous environment, behind both content and clear optical navigation.
   The day artwork follows the background explicitly selected by the owner. */
body { isolation: isolate; }
.site-ambient { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; background: var(--ny-bg); }
.site-ambient::before { content: ""; position: absolute; inset: 0; background: url("images/20260922/home-contour.18b2cd96480a.webp") right top / cover no-repeat; opacity: .38; }
html[data-theme="light"] .site-ambient { background: #eaf5f8 url("images/20261023/daylight-atmosphere.fc26815d42ac.webp") center / cover no-repeat; }
html[data-theme="light"] .site-ambient::before { content: none; }
.site-ambient-legacy { position: absolute; right: -12%; top: -10%; width: 90%; height: 100%; color: var(--ny-focus); opacity: .035; }
.site-ambient-legacy path { stroke-width: .7; }
html[data-theme="light"] .site-ambient-legacy { display: none; }
/* Print and contrast modes retain their own solid environment. */
@media (forced-colors: active), print { .site-ambient { display: none; } }