body main{
    background-color: #333;
    color: whitesmoke;   
}

header {
    background-color:#111;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

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

#menu-hamburguer {
    font-size: 1.5rem;
    cursor: pointer;
    display: none;
}

.navegacion ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    margin: 0;
}

.navegacion ul li a {
    text-decoration: none;
    color: whitesmoke;
}

a{
    color:#a3d5ff;
}

/*diseño responsive*/
@media (max-width:768px) {
    #menu-hamburguer {
        display: block;
    }

    .navegacion {
        display: none;
    }

    .navegacion.mostrar-menu {
        display: block;
    }

    .navegacion ul {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
    }
}

.btn-primary {
    background-color: beige;
    border-radius: 5%;
    padding: 0.75rem 1.5rem;
    font-family: 500;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #c3c0f7;
}

.card{
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    background: color #1e1e1e;
    color:whitesmoke;
}

.card:hover{
    transform:scale(1.03);
}

section {
    padding: 4rem 2rem;
    background-color: transparent;
}

footer {
    background-color: #343a40;
    color: white;
    text-align: center;
    padding: 1rem;
}