body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    background: linear-gradient(135deg, #232526 0%, #414345 100%);
    color: #f8f8f8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(90deg, #00c3ff 0%, #ffff1c 100%);
    padding: 2rem 0 1rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

header h1 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin: 0;
    color: #232526;
    text-shadow: 0 2px 8px #fff70080;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

main p {
    font-size: 1.5rem;
    margin: 2rem 0;
}

a {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-size: 1.25rem;
    font-weight: bold;
    color: #232526;
    background: linear-gradient(90deg, #00c3ff 0%, #ffff1c 100%);
    border: none;
    border-radius: 2rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

a:hover, a:focus {
    transform: scale(1.08);
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    background: linear-gradient(90deg, #ffff1c 0%, #00c3ff 100%);
    color: #232526;
}

footer {
    background: #232526;
    color: #f8f8f8;
    text-align: center;
    padding: 1rem 0;
    font-size: 1rem;
    letter-spacing: 1px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.15);
}