body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a8a, #2563eb);
    color: white;
    text-align: center;
}
.container {
    max-width: 600px;
    padding: 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}
h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}
a {
    display: inline-block;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: 600;
    color: #2563eb;
    background: white;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s ease, color 0.3s ease;
}
a:hover {
    background: #2563eb;
    color: white;
}