body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #111;
    color: #fff;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: #000;
    position: sticky;
    top: 0;
    z-index: 10;
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
}

.logo span {
    color: #D82E2F;
}

nav a {
    color: #ccc;
    margin: 0 10px;
    text-decoration: none;
    transition: color 0.3s ease;
}

nav a.active,
nav a:hover {
    color: #0ff;
}

.hero {
    position: relative;
    height: 60vh;
    background: url('banner-carros.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
}

.hero-text {
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-size: 2.8em;
    margin-bottom: 10px;
}

.hero-text p {
    font-size: 1.2em;
    color: #ccc;
}

.about {
    padding: 50px 20px;
}

.about h2 {
    color: red;
    text-align: center;
    margin-bottom: 20px;
}

.about .container {
    max-width: 1000px;
    margin: auto;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.card {
    background: #1a1a1a;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(255, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

footer {
    text-align: center;
    padding: 15px;
    background-color: #000;
    color: #888;
    margin-top: 30px;
}