body {
    margin: 0;
    padding: 0;
    height: 100vh;
    /* Keeps that vibrant, 3D gradient feel */
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* The Content Container */
.content {
    text-align: center;
    color: white;
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    /* Glass blur effect */
    backdrop-filter: blur(10px); 
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

h1 { font-size: 3rem; margin: 0; }