:root {
    --color-principal: #004080;
    --color-secundario: #f2f2f2;
    --color-texto: #333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--color-secundario);
    color: var(--color-texto);
    line-height: 1.6;
}

header {
    background-color: var(--color-principal);
    color: white;
    text-align: center;
    padding: 1.5rem 0;
}

header h1 {
    font-size: 1.8rem;
}

header h2 {
    font-size: 1.2rem;
    font-weight: 400;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.info h3 {
    color: var(--color-principal);
    margin-bottom: 1rem;
}

.info ul {
    list-style: none;
}

.info li {
    margin-bottom: 0.5rem;
}

.about {
    margin-top: 2rem;
    font-size: 1rem;
}

footer {
    background-color: var(--color-principal);
    color: white;
    text-align: center;
    padding: 0.8rem;
    font-size: 0.9rem;
    margin-top: 2rem;
}