body {
    padding: 0;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(90deg, rgba(147, 188, 204, 1) 0%, rgba(182, 217, 194, 1) 50%);
}

.modelo {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 30px;
}

.box img {
    width: 100%;
    height: auto;
    border: 3px solid rgb(11, 11, 11);
    border-radius: 8px;
}

.box {
    text-align: center;
    max-width: 400px;
}

header, nav, section, footer {
    padding: 20px;
    border-bottom: 1px solid rgb(221, 219, 219);
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    text-align: center;
    background-color: #0077b6;
    padding: 30px;
    color: white;
    z-index: 99;
}

nav {
    position: fixed;
    top: 100px;
    width: 100%;
    text-align: center;
    background-color: white;
    padding: 15px;
    z-index: 100;
}

nav a {
    color: black;
    text-decoration: none;
    font-weight: bold;
    margin: 10px;
    font-size: 20px;
}

nav a:hover {
    color: rgb(134, 191, 104);
}

.banner {
    margin-top: 160px;
    padding: 0;
}

.carousel,
.carousel-inner,
.carousel-item,
.carousel-item img {
    width: 100%;
    max-width: 100%;
}

.carousel-item img {
    width: 100%;
    height: auto;
    max-height: 600px;
    object-fit: cover;
    display: block;
}

/* Responsividade para celular */
@media (max-width: 768px) {
    .carousel-item img {
        max-height: 250px;
    }
}