body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
}

header {
    background-color: #1a1a1a;
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo-header {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    height: 60px;
    margin-right: 15px;
}

header h1 {
    margin: 0;
    font-size: 2rem;
    color: #fff;
}

nav {
    background-color: #333;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 1rem 1.5rem;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #555;
}

nav .active {
    background-color: #4CAF50;
    font-weight: bold;
}

/* Contenido principal */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 20px;
}

main h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #1a1a1a;
}

.productos-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.categoria {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.categoria:hover {
    transform: translateY(-5px);
}

.categoria h3 {
    background-color: #1a1a1a;
    color: white;
    margin: 0;
    padding: 1rem;
    text-align: center;
    font-size: 1.4rem;
}

.producto {
    padding: 1.5rem;
    text-align: center;
}

.producto img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 1rem;
    transition: opacity 0.3s;
}

.producto img:hover {
    opacity: 0.9;
}

.producto h4 {
    margin: 0.5rem 0;
    font-size: 1.3rem;
    color: #1a1a1a;
}

.producto p {
    margin: 0.5rem 0;
    color: #666;
}

.precio {
    font-size: 1.5rem;
    font-weight: bold;
    color: #4CAF50;
    margin-top: 1rem !important;
}

footer {
    background-color: #1a1a1a;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-header {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    .productos-container {
        grid-template-columns: 1fr;
    }
}