body {
    margin: 0;
    font-family: Arial;
    background: #0f0f0f;
    color: #fff;
}

.header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
}

.logo {
    width: 120px;
}

.btn {
    background: #0066ff;
    padding: 10px 20px;
    border-radius: 8px;
    color: #fff;
    text-decoration: none;
}

.hero {
    text-align: center;
    margin-top: 120px;
}

.login-box {
    width: 350px;
    margin: 120px auto;
    background: #1a1a1a;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
}

.google-btn {
    padding: 12px 20px;
    display: inline-block;
    background: #fff;
    color: #000;
    border-radius: 6px;
    text-decoration: none;
}