:root{--bg:#f8fafc;--card:#fff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--brand:#2563eb;--shadow:0 10px 30px rgba(0,0,0,.08);--radius:16px;--qr-size:176px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;display:flex;align-items:center;justify-content:center;min-height:100vh;line-height:1.5}.container{width:100%;max-width:64rem;padding:24px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;text-align:center}.logo{display:block;margin:0 auto 24px;width:120px;height:40px;object-fit:contain}h1{margin:0 0 12px;font-weight:700;font-size:1.5rem;color:#1f2937}.lead{color:var(--muted);margin:0 auto 24px;max-width:60ch}.pix-block{display:inline-flex;align-items:center;gap:8px;padding:10px 12px;background:#f9fafb;border:1px solid var(--border);border-radius:10px}.pix-label{color:#374151;font-size:.95rem}.kbd{font-family:monospace;background:#f3f4f6;border:1px solid var(--border);border-radius:6px;padding:.15rem .4rem;color:#111827}.pix-copy{border:none;background:none;color:var(--brand);text-decoration:underline;cursor:pointer;font-size:.95rem}.pix-help{color:#9ca3af;font-size:.8rem;margin-top:6px}.grid{display:grid;gap:24px;grid-template-columns:1fr;margin-top:24px}@media (min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:768px){.grid{grid-template-columns:repeat(4,1fr)}}figure{margin:0;display:flex;flex-direction:column;align-items:center}figcaption{margin-top:6px;font-weight:600;color:#374151}.qr{width:var(--qr-size);height:var(--qr-size);object-fit:contain;cursor:pointer;image-rendering:pixelated;border-radius:10px}.footer{margin-top:24px;padding-top:16px;border-top:1px solid var(--border);color:#6b7280;font-size:.9rem}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;z-index:50;padding:16px}.modal-backdrop.is-open{display:flex}.modal{background:#fff;border-radius:14px;box-shadow:var(--shadow);max-width:640px;width:100%;padding:16px;position:relative;text-align:center}.modal-close{position:absolute;top:8px;right:12px;font-size:24px;color:#6b7280;background:none;border:none;cursor:pointer}.modal-img{max-width:80vw;max-height:70vh;display:block;margin:0 auto;image-rendering:pixelated;border-radius:8px}.modal-caption{margin-top:12px;font-weight:600;color:#374151}.modal-alert{margin-top:12px;text-align:left;font-size:.85rem;background:#f9fafb;border:1px solid var(--border);border-radius:10px;padding:12px}.modal-alert .title{font-weight:700;margin-bottom:4px}.whatsapp-float{position:fixed;right:20px;bottom:20px;width:64px;height:64px;background:#25D366;border-radius:999px;box-shadow:0 8px 24px rgba(0,0,0,.18);display:flex;align-items:center;justify-content:center;z-index:60}.whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.22);background:#1ebe57}.whatsapp-float img{width:32px;height:32px;filter:brightness(0) invert(1)}