body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #fff;
}

header {
    background-color: #fff;
    border-bottom: 1px solid #ccc;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1% 2%;
    position: fixed;
    top: 0;
    width: 100%;
    transition: all 0.3s ease;
    z-index: 1000;
}

header.shrink {
    padding: 0.5% 2%;
}

header .logo img {
    height: 5vh;
    transition: all 0.3s ease;
}

header.shrink .logo img {
    height: 3vh;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin: 0 2%;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-size: 1em;
}

nav ul li a:hover {
    color: #f00;
}

.language-selector {
    display: flex;
    gap: 1vw;
}

.language-selector a img {
    width: 2vw;
    cursor: pointer;
    transition: transform 0.3s;
}

.language-selector a img:hover {
    transform: scale(1.1);
}

section {
    padding: 10% 2%;
    text-align: center;
}

#inicio {
    background-color: #f9f9f9;
}

#nosotros, #productos, #contacto {
    background-color: #fff;
}
#map {
    height: 50vh;
    width: 100%;
    z-index: 9;
}

h1, h2 {
    color: #333;
    font-size: 2em;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 2% 2%;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

footer .footer-section {
    flex: 1;
    min-width: 200px;
    margin: 10px;
}

footer .footer-section h3 {
    margin-top: 0;
}

footer p {
    margin: 10px 0 0;
    font-size: 1em;
    width: 100%;
    text-align: center;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin: 5px 0;
}

footer ul li a {
    text-decoration: none;
    color: #fff;
}

footer ul li a:hover {
    text-decoration: underline;
}

#scrollTopBtn {
    position: fixed;
    bottom: 2%;
    right: 2%;
    width: 7vh;
    height: 7vh;
    background-color: #f00;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.0em;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
    visibility: hidden;
}

#scrollTopBtn.show {
    opacity: 0.5;
    visibility: visible;
}

#scrollTopBtn:hover {
    opacity: 1.0;
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }
    nav ul {
        flex-direction: column;
    }
    nav ul li {
        margin: 1% 0;
    }
    .language-selector a img {
        width: 4vw;
    }
    h1, h2 {
        font-size: 1.5em;
    }
    #scrollTopBtn {
        width: 7vh;
        height: 7vh;
        font-size: 2em;
    }
    footer {
        flex-direction: column;
        align-items: center;
    }
    footer .footer-section {
        margin-bottom: