.at-threshold{overflow:hidden}#threshold{position:fixed;inset:0;z-index:100;background:#071315;color:#e8e7df;isolation:isolate;opacity:1;transition:opacity .9s ease;overflow:auto;min-height:500px}#threshold.departing{opacity:0;pointer-events:none}.threshold-photo{position:absolute;inset:0;background:linear-gradient(#07131570,#071315bb),url('images/c09e9eda39-2.jpg') center/cover;opacity:.4;transition:opacity 1.2s}.model-ready .threshold-photo{opacity:0}#fortCanvas{position:absolute;left:0;top:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab}#fortCanvas:active{cursor:grabbing}.threshold-shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,#071315 0%,#071315c9 13%,transparent 34%,transparent 74%,#071315a0 100%)}.threshold-top{position:absolute;left:4%;right:4%;top:30px;display:flex;justify-content:space-between;font-size:11px;letter-spacing:3px;color:#d4c093;pointer-events:none}.threshold-top span:last-child{color:#91a5a3;font-size:10px}.threshold-heading{position:absolute;left:6.5%;top:15%;pointer-events:none;text-shadow:0 2px 25px #071315}.threshold-heading>p{font-size:10px;letter-spacing:4px;color:#b8a477;margin:0 0 21px}.threshold-heading h1{font:clamp(40px,4.6vw,74px)/1.08 Georgia,serif;letter-spacing:-1.5px}.threshold-heading em{color:#d5c099}.threshold-bottom{position:absolute;bottom:25px;left:50%;transform:translateX(-50%);text-align:center;width:min(90%,440px)}#thresholdPhase{font:italic 18px Georgia,serif;color:#c7cfbf;letter-spacing:1px;margin:0 0 18px;min-height:23px}#enterThreshold{background:#d1ba83;color:#0c1c1d;min-width:260px;border:1px solid #ecddba;padding:15px 32px;font-size:14px;letter-spacing:1.8px;box-shadow:0 0 45px #c1a96a12;transition:background .25s}#enterThreshold:hover{background:#ebd6a6}#enterThreshold:disabled{opacity:.65;cursor:default}.threshold-options{display:flex;justify-content:center;gap:24px;margin-top:12px}.threshold-options button{border:0;font-size:12px;color:#afc0bb;padding:8px 4px;text-decoration:underline;text-underline-offset:5px}.threshold-caption{font-size:10px;color:#778f8c;margin:9px 0 0;letter-spacing:.5px}.threshold-side{position:absolute;right:30px;top:42%;writing-mode:vertical-rl;font-size:10px;letter-spacing:4px;color:#798e86;pointer-events:none}.model-fallback .threshold-photo{opacity:.75}.model-fallback .threshold-caption{font-size:0}.model-fallback .threshold-caption:after{content:'3D is unavailable on this device. Enter the full atlas below.';font-size:11px}#threshold button:focus-visible,#fortCanvas:focus-visible{outline:2px solid #f5e5bf;outline-offset:5px}@media(max-width:760px){.threshold-top{top:20px;font-size:10px;letter-spacing:1.8px}.threshold-top span:last-child{font-size:9px;letter-spacing:1px}.threshold-heading{left:0;right:0;top:10%;text-align:center}.threshold-heading>p{font-size:9px;margin-bottom:14px;letter-spacing:3px}.threshold-heading h1{font-size:38px;line-height:1.1}.threshold-side{display:none}.threshold-bottom{bottom:22px}#thresholdPhase{font-size:16px;margin-bottom:13px}.threshold-caption{font-size:10px}#enterThreshold{min-width:235px;padding:13px 22px}.threshold-options{margin-top:7px}.threshold-shade{background:linear-gradient(0deg,#071315 0%,#071315bb 20%,transparent 40%,transparent 77%,#07131580 100%)}}@media(max-height:620px){.threshold-heading{top:12%;left:5%;right:auto;text-align:left}.threshold-heading h1{font-size:32px}.threshold-heading>p{display:none}.threshold-bottom{bottom:10px}.threshold-caption{display:none}#thresholdPhase{margin-bottom:8px}.threshold-options{margin:0}.threshold-top{top:12px}}@media(prefers-reduced-motion:reduce){#threshold,.threshold-photo{transition:none}}