/* Basic CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
}

header h1 {
    color: #333;
    margin-bottom: 1rem;
}

main {
    margin: 2rem 0;
}

p {
    margin-bottom: 1.5rem;
    color: #666;
}

button {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

button:hover {
    background: #5a67d8;
}

footer {
    margin-top: 2rem;
    color: #999;
    font-size: 0.9rem;
}