.lum-bird-ring,.lum-brand-splash,.lum-brand-loading{--bird-surface:#0B0B0E;--bird-ink:#D0A636;--bird-highlight:#F1D793}
.lum-bird-ring[data-theme=light],.lum-brand-splash[data-theme=light],.lum-brand-loading[data-theme=light]{--bird-surface:#FFFFFF;--bird-ink:#1D1833;--bird-highlight:#1D1833}
.lum-bird-ring{position:relative;display:inline-grid;place-items:center;width:72px;aspect-ratio:1;flex:none;vertical-align:middle;color:var(--bird-ink);pointer-events:none}
.lum-bird-ring[data-size=inline]{width:24px}.lum-bird-ring[data-size=splash]{width:clamp(112px,15vw,180px)}
.lum-bird-ring__ring{position:absolute;inset:0;width:100%;height:100%;overflow:visible;transform:rotate(-90deg)}
.lum-bird-ring__ring circle{fill:none;stroke:var(--bird-ink);stroke-width:1.15;vector-effect:non-scaling-stroke}.lum-bird-ring__line{stroke-dasharray:100;stroke-dashoffset:0;opacity:.72}.lum-bird-ring__ring .lum-bird-ring__highlight{stroke:var(--bird-highlight);stroke-width:1.65;stroke-linecap:round;stroke-dasharray:7 93;stroke-dashoffset:0;opacity:0}
.lum-bird-ring__mark{width:64%;line-height:0;clip-path:inset(0)}.lum-bird-ring__mark img{width:100%;height:auto;display:block}
.lum-brand-loading{display:flex;align-items:center;gap:16px;min-height:96px}.lum-brand-loading[data-theme=light]{color:var(--bird-ink);background:var(--bird-surface)}.lum-brand-loading--compact{display:inline-flex;gap:8px;min-height:0}.lum-brand-loading--compact .lum-bird-ring{width:24px}
.lum-brand-splash{position:fixed;right:20px;bottom:20px;z-index:30;display:grid;justify-items:center;gap:4px;padding:12px;background:var(--bird-surface);border:1px solid var(--bird-ink);border-radius:4px;pointer-events:none;animation:lum-brand-expire 1.7s step-end forwards}.lum-brand-splash button{pointer-events:auto;color:var(--bird-ink);font:inherit;font-size:12px;background:var(--bird-surface);border:0;min-height:44px;padding:8px 16px;cursor:pointer}.lum-brand-splash button:focus-visible{outline:2px solid var(--bird-ink);outline-offset:2px}
@keyframes lum-brand-expire{to{visibility:hidden;opacity:0;pointer-events:none}}
/* Mobile: a small transparent signature, not the opaque panel covering hero copy. */
@media(max-width:600px){.lum-brand-splash{right:8px;bottom:max(8px,env(safe-area-inset-bottom));padding:0;gap:0;border:0;background:transparent;grid-template-columns:40px auto}.lum-brand-splash .lum-bird-ring{width:36px}.lum-brand-splash button{padding:8px;background:transparent}}
@media(prefers-reduced-motion:reduce){.lum-brand-splash{display:none!important}.lum-bird-ring *{animation:none!important;transition:none!important}}