:root{--bg:#f4f9f9;--ink:#1c2b2b;--muted:#5c7070;--teal:#1f8080;--teal-dark:#166363;--green:#3fa65a;--green-dark:#2f8746;--border:#d7e6e6;--card:#fff}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);min-height:100vh}.wrap{max-width:480px;margin:0 auto;padding:48px 20px}h1{font-size:1.6rem;font-weight:800;margin-bottom:8px}p.sub{color:var(--muted);margin-bottom:28px;line-height:1.5}.field{margin-bottom:14px}label{display:block;font-size:.8rem;font-weight:700;margin-bottom:6px;color:var(--muted)}input{width:100%;padding:12px 14px;border-radius:10px;border:2px solid var(--border);font-size:1rem}input:focus{outline:none;border-color:var(--teal)}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;font-weight:700;font-size:.95rem;padding:13px 20px;border-radius:999px;border:none;cursor:pointer;margin-top:8px;text-decoration:none}.btn-primary{background:var(--green);color:#fff}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.msg{margin-top:14px;font-size:.85rem;padding:10px 12px;border-radius:8px}.msg.err{background:#fdeceb;color:#b3261e}.msg.ok{background:#eaf7ee;color:var(--green-dark)}.price-card{background:var(--card);border:2px solid var(--border);border-radius:20px;padding:28px;text-align:center;margin-top:20px}.price{font-size:2.2rem;font-weight:800;color:var(--teal-dark)}.price span{font-size:1rem;color:var(--muted);font-weight:600}a.link{color:var(--teal-dark);font-weight:700;text-decoration:none}.topnav{justify-content:space-between;width:100%;padding:16px 24px 0}.topnav,.topnav .brand{display:flex;align-items:center}.topnav .brand{gap:8px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1rem}.topnav .brand img{border-radius:50%}.topnav .navlink{font-size:.85rem;font-weight:700;color:var(--teal-dark);text-decoration:none;background:none;border:none;cursor:pointer;padding:0;font-family:inherit}.topnav .navlink:hover{text-decoration:underline}.divider{display:flex;align-items:center;gap:10px;margin:22px 0;color:var(--muted);font-size:.78rem;font-weight:600}.divider:after,.divider:before{content:"";flex:1 1;height:1px;background:var(--border)}.btn-whatsapp{background:#fff;color:#128c3e;border:2px solid var(--border);gap:8px}.btn-whatsapp svg{width:20px;height:20px;flex:0 0 auto}.demo-card{background:var(--card);border:2px dashed var(--border);border-radius:20px;padding:22px;text-align:center;margin-top:16px}.demo-card .tag{display:inline-block;background:rgba(63,166,90,.12);color:var(--green-dark);font-size:.7rem;font-weight:800;padding:4px 12px;border-radius:999px;margin-bottom:10px;letter-spacing:.3px;text-transform:uppercase}.btn-outline{background:#fff;color:var(--teal-dark);border:2px solid var(--border)}