@charset "UTF-8";
body {
	font-family: Helvetica, "sans-serif";
    margin:0px;
}

body h1 {
	text-transform: uppercase;
}
body h2 {
	text-transform: uppercase;
    font-size: 0.8em;
}
/* HEADER GRID*/
#header {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-gap: 0px;
    height:auto;
    width:100%;
    position: fixed;
    top: 0;
    z-index: 1;
}

#header .card:nth-child(1) {
    background-color:lightgray;
    padding:10px;
    grid-column: 1 / span 4; 
}
#header .card:nth-child(2) {
    background-color:lightgray;
    grid-column: 5 / span 12; 
}

/* MENU */
ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #666;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover {
  background-color: indianred;
}

/* TOOLTIP */
.tooltip {
	position: relative;
	display: inline-block;
	background-color:beige;
	padding-left:4px;
	padding-right:4px;
}

.tooltip .tooltiptext {
	visibility: hidden;
	/*width: 120px;*/
	background-color:slategray;
	color: #fff;
	font-weight: bold;
	text-align: center;
	border-radius: 6px;
	padding: 6px;
	/* Position the tooltip */
	position: absolute;
	z-index: 1;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}

/* MAIN */
#main {
    padding-top:60px;
    margin:10px;
    z-index: 0;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-gap: 10px;
}
#main .card:nth-child(1) {
    border-radius:6px;
    padding:10px;
    background-color:darkgrey;
    height:400px;
    position:relative;
    grid-column: 1 / span 4; 

}
#main .card:nth-child(2) {
    border-radius:6px;
    padding:10px;
    background-color:darkgrey;
    height:400px;
    position:relative;
    grid-column: 5 / span 4; 
}
#main .card:nth-child(3) {
    border-radius:6px;
    padding:10px;
    background-color:darkgrey;
    height:400px;
    position:relative;
    grid-column: 9 / span 4; 
}
#main .card:nth-child(4) {
    grid-column: 1 / span 12; 
    border-radius:6px;
    padding:10px;
    background-color:lightgray;
}
#main .card .button a {
    position:absolute;
    bottom:5px;
    height:30px;
    width:calc(100% - 20px);
    text-align: center;
    background-color: beige;
    padding-top:20px;
    border-radius: 5px;
    text-decoration: none;
}
#main .card .button a:hover {
    background-color: indianred;
    color:#ffffff;
}

@media only screen and (max-width: 576px) {
    #header .card:nth-child(1) {display:none;grid-column: 1 / span 1;}
    #header .card:nth-child(2) {grid-column: 1 / span 12;}
    
    #main .card:nth-child(1) {grid-column: 1 / span 6;}
    #main .card:nth-child(2) {grid-column: 7 / span 6;}
    #main .card:nth-child(3) {grid-column: 1 / span 12;}
}