body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: 'Optima', sans-serif;
}

/* Compatibilidad para navegadores */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.navbar-toggler {
    outline: none;
    box-shadow: none;
}

.footer {
    margin-top: auto;
    width: 100%;
}

.hero {
    background-image: url('https://picsum.photos/1600/900');
    background-size: cover;
    background-position: center;
    padding: 50px;
    width: 100%;
}

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

.navbar-nav .nav-item .nav-link.active {
    color: red;
}
.fade {
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.fade.show {
    opacity: 1;
}

.fade-in {
    opacity: 0;
    animation: fadeIn 2s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}