html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: linear-gradient(to bottom, #68afc3, #182746);
    font-family: Arial, sans-serif;
}
.contenedor {
    display: flex;
    flex-direction: row;
    gap: 0;
    width: 100%;
    margin: 0;
    padding: 0;
}
.aside {
    background: linear-gradient(to bottom, #2044ba, #182746);
    padding: 10px;
    flex: 0 0 200px;
    width: 200px;
    height: auto;
    margin: 0;
    border: 2px solid rgba(0,0,0,0.8);
}
/*CSS para los enlaces del aside*/
aside a {
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
    color:white
}
aside a:hover {
    color: gray;
}
.main {
    background: linear-gradient(to bottom, #1e8481, #345fb5);
    padding: 10px;
    flex: 1 1 auto;
    width: auto;
    border-radius: 0;
    margin: 0;
}
.header {
    text-align: center;
}
/*CSS para el h1 del header*/
header h1 {
    color: white;
    text-shadow: 2px 2px 4px #000000;
    font-family: Impact;
    font-size: 45px;
}
.nav {
    background-color: rgb(41, 27, 120);
    padding: 10px;
    border-radius: 5px;
}
/*CSS para las listas de la nav y los vinculos*/
nav ul {
    list-style-type: none;
    padding: 0;
    text-align: center;
    margin: 0;
}
nav ul li {
    display: inline;
    margin: 0;
    padding: 0 6px;
}
nav a {
    color: white;
    text-decoration:underline;
}
nav a:hover {
    color: gray;
}
button {
    color: rgb(0, 0, 0);
    text-decoration: none;
    padding: 10px;
    border-radius: 10px;
}
button a{
    color:#000000

}
button a:hover {
    color: rgb(101, 94, 201);
}

/* Estilo para enlaces del nav que actúan como botones */
.nav a.btn {
    color: white;
    text-decoration: none;
    display: inline-block;
    padding: 8px 12px;
    border-radius: 10px;
    background: rgba(255,255,255,0.04);
}
.nav a.btn:hover {
    color: gray;
    background: rgba(255,255,255,0.08);
}

/* Footer sencillo y responsivo */
.footer {
    background: linear-gradient(to right, #0f234a, #13294f);
    color: #ffffff;
    padding: 16px 0 0 0;
    margin: 0;
}
.footer a {
    color: #ffffff;
    text-decoration: none;
}
.footer a:hover {
    text-decoration: underline;
}
.footer-inner {
    display: flex;
    gap: 0;
    width: 100%;
    margin: 0;
    padding: 12px 16px 8px 16px;
}
.footer-col {
    flex: 1 1 200px;
}
.footer-col h3 {
    margin-top: 0;
    font-size: 1.05rem;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col ul li {
    margin: 6px 0;
}
.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 10px 0 6px 0;
    width: 100%;
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 700px) {
    .footer-inner {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
    }
    .aside {
        display: none;
    }
    .main {
        width: 100%;
    }
}