.wrld-threshold{position:fixed;inset:0;z-index:10020;pointer-events:auto;overflow:hidden;background:transparent;isolation:isolate}.wrld-threshold:before{content:"";position:absolute;inset:0;opacity:0;background:radial-gradient(ellipse at 50% 60%,color-mix(in srgb,var(--arrival-color) 28%,#050814),#03050b 78%);animation:wrld-atmosphere-in 1.05s cubic-bezier(.65,0,.35,1) forwards}.wrld-threshold-horizon{position:absolute;inset:0;box-shadow:inset 0 0 100px color-mix(in srgb,var(--arrival-color) 25%,transparent);animation:wrld-edge-arrival 1.05s ease-in-out both}.wrld-threshold-caption{position:absolute;bottom:calc(env(safe-area-inset-bottom,0px) + 15%);left:50%;transform:translateX(-50%);width:min(86vw,400px);text-align:center;color:#edf7ff;text-shadow:0 2px 12px #000}.wrld-threshold-caption small{display:block;font:10px ui-monospace,monospace;letter-spacing:.2em;color:var(--arrival-color);margin-bottom:10px}.wrld-threshold-caption strong{display:block;font:600 clamp(20px,5vw,32px) system-ui;letter-spacing:.04em}.wrld-threshold-caption button{margin-top:18px;border:1px solid #ffffff30;background:#070b1480;color:#d2e4f0;border-radius:20px;padding:9px 16px;font:11px system-ui;cursor:pointer}.wrld-threshold-caption button:focus-visible{outline:2px solid var(--arrival-color);outline-offset:4px}.wrld-threshold.is-covered:before{animation:none;opacity:1}.wrld-threshold.is-revealing{pointer-events:none;animation:wrld-reveal .52s ease-out forwards}.wrld-threshold.is-revealing .wrld-threshold-caption{opacity:0;transition:opacity .2s}.wrld-crossing .navigation-morph{display:none!important}@keyframes wrld-atmosphere-in{0%,35%{opacity:0}100%{opacity:1}}@keyframes wrld-edge-arrival{0%{opacity:0;transform:scale(1.03)}55%{opacity:1}100%{opacity:.4;transform:scale(1)}}@keyframes wrld-reveal{to{opacity:0}}@media(prefers-reduced-motion:reduce){.wrld-threshold:before,.wrld-threshold-horizon{animation:none}.wrld-threshold.is-revealing{animation-duration:.08s}}