* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
}

main {
    text-align: center;
    padding: 2rem;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #fff, #a8dadc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

p {
    font-size: 1.2rem;
    color: #a8a8b3;
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
}

button {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    background: #4361ee;
    color: #fff;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(67, 97, 238, 0.4);
}

button:active {
    transform: translateY(0);
}