.loading-screen{position:fixed;inset:0;z-index:9999;background:#fff;color:#000;display:flex;align-items:center;justify-content:center;overflow:hidden;transition:opacity 1s ease-out;animation:opening-safety .1s 11s forwards;font-family:Arial,sans-serif;pointer-events:none}.loading-screen.fade-out{opacity:0}.loading-content{width:100%;text-align:center}.loading-logo{min-height:120px}.loading-tagline{margin:32px auto 0;padding:0 24px;max-width:650px;font-size:18px;line-height:1.8;color:#4b5563}.loading-tagline.show{opacity:1!important}.loading-screen.fade-out .loading-tagline{opacity:0!important}@keyframes opening-safety{to{visibility:hidden;opacity:0}}@media(max-width:480px){.physics-letter{font-size:2rem!important}.loading-tagline{font-size:14px}}@media(prefers-reduced-motion:reduce){.loading-screen{display:none}}