body {
    font-family: 'Roboto', sans-serif;
    background: #f4f4f9;
    margin: 0;
}

.bg-header {
    background: linear-gradient(45deg, #00b4d8, #0077b6);
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.btn-special {
    background: linear-gradient(45deg, #ff8c00, #ff0080);
    color: white;
    font-size: 1.2rem;
    padding: 0.7rem 2rem;
    border-radius: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-special:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
}

footer {
    background: linear-gradient(45deg, #121212, #333);
    color: #fff;
    padding: 1.5rem 0;
}

/* Botão Especial */
.btn-gradient {
    background: linear-gradient(to right, #ff7e5f, #feb47b);
    color: white;
    border-radius: 50px;
    padding: 0.8rem 2rem;
    transition: all 0.3s ease-in-out;
}

.btn-gradient:hover {
    background: linear-gradient(to right, #feb47b, #ff7e5f);
    transform: translateY(-3px);
}

/* Estilo do Menu Preto e Branco */
.navbar {
    background-color: #000; /* Fundo preto */
    border-bottom: 2px solid #fff; /* Linha branca no rodapé do menu */
}

.navbar .navbar-brand {
    color: #fff; /* Texto branco para o título */
    font-size: 1.5rem; /* Aumentar o tamanho */
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.navbar .navbar-brand:hover {
    color: #ccc; /* Texto com cinza ao passar o mouse */
}

.navbar .nav-link {
    color: #fff; /* Links brancos */
    font-size: 1.1rem; /* Texto um pouco maior */
    margin-right: 15px;
    transition: color 0.3s ease-in-out;
}

.navbar .nav-link:hover {
    color: #ccc; /* Alteração para cinza ao passar o mouse */
    text-decoration: underline; /* Sublinhado ao passar o mouse */
}

.navbar-toggler {
    border-color: #fff; /* Cor da borda do ícone de menu */
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255,255,255,1)' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

.collapse.show {
    border-top: 2px solid #fff; /* Linha branca ao abrir o menu no modo mobile */
}