/* Documento */
body, html {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  font-family: 'Fira Sans', sans-serif;
  background: rgb(240, 240, 240);
  color: #4fc3f7;
}

section {
	display: grid;
  grid-gap: 1rem;
	margin-bottom: 0.1rem;	
}

article h1 {
	margin: 1rem 1rem 0rem 1rem;
	text-transform: uppercase;
}

/* NAV */
nav {
	margin-bottom: 0.1rem;
}

nav ul {
	list-style-type: none;
	margin: 0;
	padding: 0;
	display: flex;
}

nav li {
  background: lightskyblue;
  flex-grow: 1; 
  margin: 0.1rem;
}

nav a {
	display: block;
	padding: 1rem;
	text-align: center;
	text-decoration: none;
	color: #000000;
	transition: all 0.5s;
	text-transform: uppercase;
}

nav a:hover {
  color: white;
	background-color: #4fc3f7;
  letter-spacing: 0.2rem;
  font-weight: bold;
}

/* MAIN */
#main {
  display: grid;
  grid-gap: 1rem;
  padding: 1rem;
}

.bloque {
  background: white;
  box-shadow: 3px 5px 28px 0px rgba(0,0,0,0.75);
  padding: 0.2rem;
  margin: 0.4rem;
}

.bloque video, .bloque iframe {
  width: 100%;
  height: auto;
}

.bloque .textos {
	margin-left: 0.5rem;
	margin-right: 0.5rem;
	padding-bottom: 0.5rem;
}

.textos h2 {
	font-size: 1.2rem;
	font-weight: 300;
	margin-top: 0;
}
.textos p {
	font-size: 0.8rem;
}
.textos a {
	font-size: 0.8rem;
	color: red;
	text-decoration: none;
}
.textos a:hover {
	text-decoration: underline;
}

/* ASIDE */
aside {
	display: grid;
	grid-gap: 0.5rem;
	padding: 0.5rem;
	background-color: LightGray;
}

.card img {
	width: 100%;
	height: auto;
	transition: all 1s;
}

.card img:hover {
	filter: invert(100%);
}

/* FOOTER */
footer {
	font-size: 0.8em;
	color: #FFFFFF;
	background-color: #666;
	padding: 0.3rem;
	padding-left: 2.2em;
}

/* Variación media */
@media (orientation: landscape) {
  section {
    grid-template-columns: 3fr 1fr;
    grid-template-rows: auto;
  }

  #main {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto;
  }

  aside {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  nav ul {
    flex-direction: row;
  }
  
  a {
    margin-right: 0.2em;
  }
}

@media (orientation: portrait) {
  section {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
  }

  #main {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  aside {
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: auto;
  }

  nav ul {
    flex-direction: column;
  }

  nav a {
    margin-bottom: 0.2em;
  }

  nav a:hover {
    letter-spacing: normal;
    font-weight: normal;
  }
}