/* Reset de margens e preenchimentos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Estilos gerais */
body {
    font-family: 'Arial', sans-serif;
}

/* Barra de navegação */
.navbar {
    background-color: #343a40;
}

.navbar-brand .logo {
    height: auto;
    width: 160px;
}

.navbar-toggler {
    border-color: transparent;
}

.navbar-nav .nav-item .nav-link {
    color: #fff;
    font-size: 16px;
}

.navbar-nav .nav-item .nav-link:hover {
    color: #f8f9fa;
}

/* Banner */
.bg-dark {
    background-color: #343a40 !important;
}

.bg-dark .text-center h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.bg-dark .text-center p {
    font-size: 1.2rem;
    font-weight: 400;
}

/* Cards de Categorias */
.card {
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-img-top {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 15px;
}

.card-title {
    font-size: 1.2rem;
    color: #333;
}

/* Layout da página */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Rodapé */
footer {
    background-color: #343a40;
    color: #fff;
    padding: 20px;
}

footer p {
    font-size: 1rem;
}

/* Responsividade */
@media (max-width: 767px) {
    .navbar-nav .nav-item {
        text-align: center;
    }

    .navbar-nav .nav-item .nav-link {
        font-size: 14px;
    }

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

    .bg-dark .text-center h3 {
        font-size: 2rem;
    }

    .bg-dark .text-center p {
        font-size: 1rem;
    }
}