body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    height: 150vh;
    max-width: 100%
}

header {
    background: linear-gradient(to right, #ff6666, #ff3333);
    color: #fff;
    text-align: center;
    padding: 1em 0;
}

nav {
    background-color: #fff;
    padding: 1em;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

nav ul {
    list-style: none;
    margin: 10px;
    padding: 0;
}

nav li {
    display: inline-block;
    margin: 0 10px;
}

nav a {
    text-decoration: none;
    padding: 10px;
    background: linear-gradient(to right, #ff6666, #ff3333);
    color: #fff;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: #45a049;
}

.ticker-widget {
    margin: 10px auto;
    margin-top: 10px;
    max-width: 100%;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

main {
    max-width: 90%;
    margin: 20px auto;
    padding: 1em;
    height: 200vh;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.empresas-especiales {
    padding: 20px;
    margin-top: 30px;
    background-color: #f5f5f5;
    border-top: 2px solid #ccc;
}

.empresas-especiales h2 {
    margin-bottom: 15px;
    text-align: center;
    color: #333;
}

.empresas-grid {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.empresa-card {
    background-color: #ffffff;
    border: 1px solid #ddd;
    padding: 12px 20px;
    text-align: center;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.empresa-card:hover {
    background-color: #e0e0e0;
    transform: translateY(-2px);
}


.heatmap-widget {
    width: 100%;
    height: 60vh;
    margin: 20px 0;
}

footer {
    background: linear-gradient(to right, #ff6666, #ff3333);
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    bottom: 0;
    width: 90%;
}

@media (max-width: 480px) {
    nav {
        flex-direction: column; 
        align-items: center;
        padding: 10px;
    }

    nav ul {
        padding: 5px;
        margin-top: 5px;
    }

    nav li {
        width: 80vw;
        padding: 2px 0; 
        margin: 12px 0; 
        font-size: 2vh; 
        text-align: center; 
    }