:root{--bg:#0b0d10;--fg:#f5f7fa;--muted:#a4adb8;--accent:#1f8a78;--card:#14171c;--border:#232830;--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a,body,html{color:var(--fg)}main{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;text-align:center}.card{max-width:520px;width:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px}.title{font-size:28px;font-weight:700;margin:0 0 8px}.subtitle{color:var(--muted);margin:0 0 24px;line-height:1.5}.cta-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.btn{display:inline-block;padding:12px 18px;border-radius:10px;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;font-size:15px;border:1px solid transparent}.btn.secondary{background:transparent;border-color:var(--border);color:var(--fg)}.hero-image{width:100%;height:220px;object-fit:cover;border-radius:10px;margin-bottom:16px;background:#1a1d22}.hint{margin-top:20px;color:var(--muted);font-size:13px}