:root{--teal:#0f766e;--teal2:#115e59;--bg:#f8fafc;--card:#fff;--muted:#64748b;--border:#e2e8f0}*{box-sizing:border-box}body{background:var(--bg);color:#0f172a;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:16px}.header{background:var(--teal);color:#fff;padding:14px 0}.hero{background:var(--teal2);color:#fff;border-radius:14px;padding:28px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;margin:14px 0;padding:16px}.btn{background:var(--teal);color:#fff;cursor:pointer;border:none;border-radius:10px;padding:10px 14px;display:inline-block}.btn:hover{filter:brightness(.95)}.grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}@media (max-width:780px){.grid2{grid-template-columns:1fr}}label{margin:10px 0 4px;font-weight:600;display:block}input,select{border:1px solid var(--border);background:#fff;border-radius:10px;width:100%;padding:10px}.nav{justify-content:space-between;align-items:center;gap:10px;display:flex}.nav a{color:#fff;opacity:.95}.nav a:hover{opacity:1;text-decoration:underline}small{color:var(--muted)}