body {
    font-family: Arial, sans-serif;
    background: #fff;
    margin: 0;
    padding: 0;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 10px 0;
    text-align: center;
}

nav {
    margin: 20px 0;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 15px;
}

nav a:hover {
    background: #e8491d;
}

.container {
    background: #fff;
    margin: 40px auto;
    padding: 30px 40px;
    border-radius: 6px;
    box-shadow: 0 2px 12px #0001;
    max-width: 600px;
}

footer {
    background: #35424a;
    color: #ffffff;
    text-align: center;
    padding: 10px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

h1, h2, h3 {
    color: #2d2577;
    margin-bottom: 10px;
}

form {
    margin-top: 20px;
}

input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 8px 10px;
    margin: 8px 0 16px 0;
    border: 1px solid #bbb;
    border-radius: 4px;
    font-size: 16px;
}

button {
    background: #2d2577;
    color: #fff;
    border: none;
    padding: 10px 28px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #e8491d;
}

a {
    color: #2d2577;
    text-decoration: underline;
}

a:hover {
    color: #e8491d;
}

label {
    font-size: 15px;
    color: #222;
}

.form-group {
    margin-bottom: 18px;
}

@media (max-width: 700px) {
    .container { padding: 10px; }
}