body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background: #fafafa;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: #f8f8f8;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
}
.header .logo img {
    height: 60px;
}
.menu a {
    margin: 0 15px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
}
.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #4a6073, #2c3e50);
    color: #fff;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}
.sobre, .marcas, .contato {
    padding: 60px 20px;
    text-align: center;
}
.grid-marcas {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.grid-marcas img {
    max-height: 120px;
    transition: transform 0.3s ease;
}
.grid-marcas img:hover {
    transform: scale(1.1);
}
.contato .social img {
    width: 40px;
    margin: 0 10px;
    transition: transform 0.3s ease;
}
.contato .social img:hover {
    transform: scale(1.2);
}
.footer {
    text-align: center;
    padding: 20px;
    background: #222;
    color: #fff;
}