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.site-header,body[data-render-state=ready] .altitude-readout{opacity:1;transition:opacity .9s ease}.loading-screen{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.4rem;background:radial-gradient(circle at 50% 60%,#16233c,#070c16 70%);transition:opacity .7s ease,visibility .7s ease}body[data-render-state=ready] .loading-screen,body[data-render-state=error] .loading-screen{opacity:0;visibility:hidden}.loader-ring{width:46px;height:46px;border:2px solid rgba(255,255,255,.14);border-top-color:var(--accent);border-radius:50%;animation:spin 1.1s linear infinite}.loader-text{font-size:.82rem;letter-spacing:.22em;color:var(--ink-dim);text-transform:uppercase}@keyframes 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