:root{color-scheme:dark;--bg:#0c0e12;--fg:#f3f5f7;--muted:#8d95a1;--accent:#7ee0c6}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(126,224,198,.12),transparent),var(--bg);color:var(--fg);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body,main{min-height:100vh}main{display:flex;flex-direction:column;justify-content:center;max-width:40rem;margin:0 auto;padding:4rem 1.5rem}.brand{margin:0 0 .85rem;color:var(--accent);font-size:.8rem;font-weight:650;letter-spacing:.16em;text-transform:uppercase}h1{margin:0;font-size:clamp(1.85rem,4vw,2.6rem);font-weight:560;letter-spacing:-.03em;line-height:1.15}.note{margin:1.35rem 0 0;color:var(--muted);font-size:.95rem;line-height:1.5}