body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0b0b0b;
    color: white;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    background: black;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
}

nav button {
    background: none;
    color: #d4af37;
    border: none;
    cursor: pointer;
}

.lang-switch {
    width: auto;
    margin: 0;
    padding: 6px 10px;
    background: #111;
    color: #d4af37;
    border: 1px solid #d4af37;
    border-radius: 5px;
    cursor: pointer;
}

header {
    background: url('../images/cars.jpg') center/cover no-repeat;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    header {
        background: url('../images/cars_mobile_device.jpg') center/cover no-repeat;
    }

    .overlay {
        padding: 25px;
    }

    .overlay h1 {
        font-size: 1.6rem;
    }

    .overlay p {
        font-size: 0.9rem;
    }
}

.overlay {
    background: rgba(0,0,0,0.75);
    padding: 40px;
    text-align: center;
    border-radius: 10px;
}

.gold { color: #d4af37; }

.tel-link {
    color: white;
    text-decoration: none;
}

.cta {
    background: #d4af37;
    color: black;
    padding: 15px 30px;
    border: none;
    cursor: pointer;
    margin-top: 15px;
}

.form-container {
    background: #111;
    padding: 30px;
    max-width: 500px;
    margin: auto;
    border-radius: 10px;
}

input, select {
    width: 100%;
    box-sizing: border-box;
    padding: 12px;
    margin: 10px 0;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    background: #fff;
    color: #111;
}

input::placeholder,
select.placeholder {
    color: #757575;
}

.floating {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #d4af37;
    color: black;
    padding: 15px;
    border-radius: 50px;
    cursor: pointer;
}

.success {
    color: lightgreen;
    margin-top: 10px;
}

.error {
    color: red;
    font-size: 12px;
}