:root{--blue:#2E86C1;--muted:#6B7280;--bg:#ffffff;--card:#FAFCFF;--radius:10px;--max-width:900px}*{box-sizing:border-box;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}body{background:var(--bg);color:#0f1724;margin:0;padding:24px;display:flex;justify-content:center}.container{max-width:var(--max-width);width:100%}header.hero{display:flex;justify-content:space-between;align-items:center;padding:12px 0}.brand h1{margin:0;color:var(--blue);letter-spacing:1px}.brand .tagline{margin:4px 0 0;color:var(--muted);font-size:14px}.nav a{margin-left:16px;color:var(--muted);text-decoration:none}main{margin-top:18px}.card{background:var(--card);border-radius:var(--radius);padding:18px;margin-bottom:12px;box-shadow:0 1px 6px #0f17240a}.cta{margin-top:8px;font-weight:600;color:var(--blue)}.form label{display:block;margin-bottom:8px;font-size:14px;color:var(--muted)}.form input,.form textarea{width:100%;padding:8px;border:1px solid #e6eef8;border-radius:6px;margin-top:6px}.form-row{display:flex;gap:8px;margin-top:12px}.btn{background:var(--blue);color:#fff;padding:10px 14px;border-radius:8px;border:none;cursor:pointer}.btn-secondary{background:#f3f4f6;color:#111;padding:10px 12px;border-radius:8px;border:1px solid #e5e7eb}.success{padding:12px;background:#ecf9ff;border-radius:8px;border:1px solid #cfeefd}.footer{margin-top:18px;text-align:center;color:var(--muted);font-size:13px}@media (max-width:600px){.nav{display:none}}