*{margin:0;padding:0}html,body{overflow:hidden}canvas.webgl{position:fixed;top:0;left:0;outline:none}.loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;justify-content:center;align-items:center;z-index:1000;transition:opacity .5s ease-out}.loading-screen.hidden{opacity:0;pointer-events:none}.loading-content{text-align:center}.loading-spinner{width:50px;height:50px;border:5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:#fff;font-size:24px;font-family:sans-serif;font-weight:300;letter-spacing:2px}