* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #111;
    color: white;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 30px 20px;
    background-color: #1a1a1a;
}

header h1 {
    margin-bottom: 15px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 12px;
    font-weight: bold;
}

nav a:hover {
    color: #4da3ff;
}

.center-box {
    flex: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 25px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.center-box h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.center-box p {
    font-size: 18px;
    line-height: 1.6;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #1a1a1a;
    color: #aaa;
}
.button {
    display: inline-block;
    background-color: #4da3ff;
    color: #111;
    padding: 12px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 15px;
}

.button:hover {
    background-color: white;
    color: #111;
}