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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #111827, #1f2937);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    text-align: center;
    max-width: 700px;
    padding: 40px;
}

h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #fbbf24;
}

p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 14px 28px;
    background: #fbbf24;
    color: #111827;
    text-decoration: none;
    font-weight: bold;
    border-radius: 6px;
    transition: 0.3s;
}

.btn:hover {
    opacity: 0.9;
}