body {
    background-color: #f4f6f8;
    font-family: Arial, Helvetica, sans-serif;
}

.hero {
    min-height: 85vh;
    background: linear-gradient(rgba(0,0,0,.65), rgba(0,0,0,.65)), url('/images/bmw-hero.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    display: flex;
    align-items: center;
}

    .hero h1 {
        font-size: 55px;
        font-weight: 800;
    }

.section-title {
    font-weight: 800;
    margin-bottom: 30px;
}

.car-card {
    border: none;
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,.12);
    transition: .3s;
}

    .car-card:hover {
        transform: translateY(-7px);
    }

    .car-card img {
        height: 230px;
        object-fit: cover;
    }

.page-header {
    background: #050505;
    color: white;
    padding: 70px 0;
    text-align: center;
}

.form-box {
    max-width: 520px;
    margin: 40px auto;
    background: white;
    padding: 30px;
    border-radius: 18px;
    box-shadow: 0 8px 25px rgba(0,0,0,.12);
}

.admin-sidebar {
    min-height: 100vh;
    background: #111;
    color: white;
}

    .admin-sidebar a {
        color: white;
        text-decoration: none;
        display: block;
        padding: 14px 20px;
    }

        .admin-sidebar a:hover {
            background: #222;
        }

@media (max-width: 768px) {
    .hero {
        min-height: 70vh;
        text-align: center;
    }

        .hero h1 {
            font-size: 36px;
        }

    .car-card img {
        height: 180px;
    }
}