:root{--bg:#0b0f14;--fg:#e6edf3;--muted:#8b98a5;--accent:#f97316;--border:#1f2933}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;min-height:100%}.site-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:1.1rem;color:var(--fg);text-decoration:none;letter-spacing:-.01em}.auth-nav{display:flex;align-items:center;gap:.75rem}.btn{font:inherit;font-weight:600;padding:.45rem .9rem;border-radius:8px;border:1px solid transparent;cursor:pointer}.btn-ghost{background:transparent;color:var(--fg);border-color:var(--border)}.btn-primary{background:var(--accent);color:#10161c}.site-main{max-width:900px;margin:0 auto;padding:3rem 1.5rem}.hero h1{font-size:2.25rem;margin:0 0 .5rem;letter-spacing:-.02em}.lede{color:var(--muted);font-size:1.15rem;margin:0 0 2rem}.welcome{font-size:1rem;padding:1rem 1.25rem;border:1px solid var(--border);border-radius:10px;display:inline-block}