*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#333}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center}.header{background:#00348b;color:#fff;width:100%;padding:2rem;text-align:center}.header h1{font-size:2rem;margin-bottom:.5rem}.main{width:100%;max-width:600px;padding:2rem 1rem}.contact-form{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #0000001a}.form-group{margin-bottom:1.25rem}.form-group label{display:block;font-weight:600;margin-bottom:.4rem;font-size:.9rem}.form-group input,.form-group textarea{width:100%;padding:.6rem .8rem;border:1px solid #ccc;border-radius:4px;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#00348b}button{background:#00348b;color:#fff;border:none;padding:.75rem 2rem;border-radius:4px;font-size:1rem;cursor:pointer;transition:background .2s}button:hover{background:#026}button:disabled{background:#999;cursor:not-allowed}.error-message{color:#d32f2f;margin-bottom:1rem;font-size:.9rem}.success-message{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #0000001a;text-align:center}.success-message h2{color:#2e7d32;margin-bottom:.5rem}.success-message p{margin-bottom:1.5rem}