body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    color: #222;
    background: #fafafa;
}

header, footer {
    background: #1a1a1a;
    color: #fff;
    padding: 20px;
}

header nav a {
    color: #fff;
    margin-right: 20px;
    text-decoration: none;
    font-weight: 600;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 40px auto;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: #e9e9e9;
    border-radius: 8px;
}

button.main-btn {
    background: #000;
    color: #fff;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}