/* Reset default styles for consistency */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Header Styling */
header {
    background: linear-gradient(90deg, #003087, #0052cc);
    color: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

/* Navigation Styling */
nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 10px 0;
}

nav ul li {
    position: relative;
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    font-weight: bold;
    font-size: 1.1em;
    transition: color 0.3s ease;
}

nav ul li:hover > a {
    color: #ffd700; /* Gold hover effect */
}

/* Nested Submenu */
nav ul li ul {
    display: none;
    position: absolute;
    background-color: #0052cc;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    min-width: 150px;
    top: 100%;
    left: 0;
}

nav ul li:hover > ul {
    display: block;
}

nav ul li ul li {
    margin: 5px 0;
}

nav ul li ul li a {
    color: white;
    font-weight: normal;
    font-size: 1em;
}

nav ul li ul li a:hover {
    color: #ffd700;
}

/* Main Content Styling */
main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.padre {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.hijo {
    display: contents; /* Allows direct styling of .nieto without extra wrapper */
}

.nieto {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    flex: 1 1 300px; /* Responsive flex items */
    max-width: 350px;
    transition: transform 0.3s ease;
}

.nieto:hover {
    transform: translateY(-5px); /* Subtle lift effect on hover */
}

.nieto h2 {
    font-size: 1.8em;
    color: #003087;
    margin-bottom: 10px;
}

.nieto p {
    font-size: 1em;
    color: #555;
    margin-bottom: 15px;
}

.nieto img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    display: block;
}

/* Footer Styling */
footer {
    background: #003087;
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}

footer p {
    font-size: 0.9em;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 10px 0;
    }

    nav ul li ul {
        position: static;
        background: #0040a1;
        box-shadow: none;
    }

    .nieto {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5em;
    }

    nav ul li a {
        font-size: 1em;
    }

    .nieto h2 {
        font-size: 1.5em;
    }
}
a {
    text-decoration: none;   /* quita el subrayado */
    color: inherit;          /* hereda el color del padre */
}