body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #0f2027, #2c5364 80%);
    color: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    padding: 48px 32px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    backdrop-filter: blur(4px);
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 16px;
    letter-spacing: 2px;
    font-weight: 700;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

p {
    font-size: 1.2rem;
    margin-bottom: 32px;
    color: #e0e0e0;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(90deg, #00c6ff, #0072ff);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s;
    box-shadow: 0 4px 16px rgba(0, 114, 255, 0.2);
}

.btn:hover {
    background: linear-gradient(90deg, #0072ff, #00c6ff);
}

footer {
    margin-top: 48px;
    font-size: 0.9rem;
    color: #b0b0b0;
    text-align: center;
}