:root{--bg:#fff;--text:#111827;--muted:#6b7280}@media (prefers-color-scheme:dark){:root{--bg:#0b0f14;--text:#f3f4f6;--muted:#9ca3af}}*{box-sizing:border-box;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}.page{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:100vh;padding:24px;display:flex}.brand{letter-spacing:.02em;font-weight:600}h1{font-size:clamp(2.5rem,8vw,4.5rem);font-weight:700;line-height:1.1}.text{color:var(--muted);max-width:40ch}.link{color:var(--text);text-underline-offset:4px}.link:focus-visible{outline-offset:4px;outline:2px solid}