@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap");

* {
	margin: 0;
	padding: 0;
}

html {
	box-sizing: border-box;
	scroll-behavior: smooth;
}

body {
	min-height: 100vh;
	font-family: "Roboto", sans-serif;
}

p {
	line-height: 1.5;
}

ul {
	list-style: none;
}

a {
	text-decoration: none;
}

img {
	width: 100%;
}

.container {
	width: 100%;
}

/* Navigation */
#nav {
	display: flex;
	justify-content: space-between;
	padding: 0 15px;
}

#nav .logo {
	width: 150px;
	height: 50px;
	padding: 5px 0;
	display: inline-block;
}

#nav ul {
	position: fixed;
	display: block;
	width: 100%;
	height: 100vh;
	top: 70px;
	left: -100%;
	text-align: center;
	transition: 0.5s;
	z-index: 10;
	background-color: #1f4e67;
}

#nav ul li {
	display: block;
	padding: 0 15px;
	line-height: 50px;
}

#nav ul li a {
	color: #fff;
}

#nav ul li a:hover {
	color: #f7b310;
}

#toggle-menu {
	display: none;
}

label #toggle-on,
label #toggle-off {
	font-size: 30px;
	color: #000;
	display: inline-block;
	line-height: 60px;
	cursor: pointer;
	line-height: 2.5;
}

label #toggle-off {
	display: none;
}

#toggle-menu:checked ~ ul {
	left: 0;
}

#toggle-menu:checked ~ label #toggle-on {
	display: none;
}

#toggle-menu:checked ~ label #toggle-off {
	display: block;
}

/* BANNER */
#banner-container {
	background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
		url("./images/computer.jpg");
	height: 70vh;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	position: relative;
}

.banner-content {
	display: block;
	margin: 0 auto;
	color: #fff;
	width: 90%;
	text-align: center;
	padding-top: 50px;
}

.banner-content h1 {
	font-size: 22pt;
	margin-bottom: 15px;
}

.banner-content p {
	font-size: 12pt;
	margin-bottom: 15px;
}

.banner-content p span {
	display: block;
}

.section-highlight h1 {
	display: block;
	/* border-bottom: 1px solid black; */
	color: #f7b310;
	padding: 5px 0;
	font-size: 17pt;
}

/* LEAD */
#lead {
	padding-top: 20px;
	padding: 20px 15px 0;
	text-align: center;
}

#lead span {
	font-size: 16pt;
	color: #f7b310;
}
#lead p {
	line-height: 1.5;
	font-size: 17px;
}

/* DEADLINE */
#deadline {
	padding: 10px 15px;
}

#deadline ul li {
	display: block;
	padding: 3px 0;
}

/* KEY Note */
#key-note-speakers {
	padding: 0 15px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.key-note-speakers-content {
	flex: 1;
	padding-top: 10px;
}

.key-note-speakers-content h1,
p {
	margin-bottom: 15px;
}

/* Topic */
#topic {
	padding: 0 15px;
}

#topic p {
	padding: 5px;
}

#topic ul {
	list-style-type: circle;
	padding: 0 35px;
}

#topic ul li {
	padding: 5px 0;
}

/* Committee */
#organizer {
	background-color: #34495e;
	padding: 20px 15px;
	padding-bottom: 60px;
}

#organizer .title {
	display: block;
	text-align: center;
	color: white;
	padding: 20px;
	text-transform: uppercase;
	font-size: 20pt;
}

#organizer .border {
	display: block;
	margin: auto;
	width: 160px;
	height: 3px;
	background: #f7b310;
	margin-bottom: 20px;
}

.card-container {
	display: grid;
	grid-template-columns: auto;
	grid-row-gap: 40px;
}

.card .card-avatar {
	width: 100px;
	height: 100px;
	margin: auto;
	background-color: #f7b310;
	border-radius: 50%;
}

.card .card-avatar span {
	display: block;
	text-transform: uppercase;
	text-align: center;
	color: #fff;
	padding-top: 35px;
	font-size: 22pt;
	font-weight: 700;
}

.card .card-avatar-m {
	width: 100px;
	height: 100px;
	margin: auto;
	border: 5px solid white;
	background-color: #f7b310;
	border-radius: 50%;
}

.card .card-avatar-m span {
	display: block;
	text-transform: uppercase;
	text-align: center;
	color: #fff;
	padding-top: 35px;
	font-size: 22pt;
	font-weight: 700;
}

.card .card-content {
	text-align: center;
	color: #fff;
}

.card .card-content h2 {
	font-size: 16px;
	padding: 5px;
}

.card .card-content span {
	font-size: 14px;
}

/* COVID Alert */
.covid-alert {
	font-size: 0.95rem;
	background-color: #1f4e67;
	color: #fff;
	padding: 10px 20px;
	text-align: center;
}

/* Responsiveness */
@media (min-height: 731px) {
	#banner-container {
		height: 50vh;
	}
}

@media (min-width: 768px) and (min-height: 1024px) {
	#banner-container {
		height: 50vh;
	}

	.banner-content {
		padding-top: 120px;
	}
}

@media (min-width: 584px) {
	#banner-container {
		height: 50vh;
	}

	.banner-content {
		width: 80%;
	}

	.banner-content h1 {
		font-size: 28pt;
	}

	.banner-content p {
		font-size: 14pt;
	}

	.card-container {
		grid-template-columns: auto auto;
	}
}

@media (min-width: 970px) {
	.container {
		width: 80%;
		margin: 0 auto;
	}

	#nav .logo {
		width: 200px;
		height: 80px;
		display: block;
	}
	label #toggle-on,
	label #toggle-off {
		display: none;
	}

	#nav {
		display: flex;
		padding: 0;
	}

	#nav ul {
		display: block;
		justify-content: space-between;
		top: 0;
		left: 0;
		position: static;
		height: inherit;
		background: none;
		transition: none;
		z-index: 1;
		text-align: end;
	}

	#nav ul li {
		display: inline-block;
		padding: 0 15px;
		line-height: 80px;
	}

	#nav ul li a {
		color: #000;
	}

	#nav ul li a:hover {
		color: #f7b310;
	}

	#banner-container {
		height: 65vh;
	}

	.banner-content h1 {
		font-size: 54pt;
	}

	.banner-content p {
		font-size: 18pt;
	}

	.card-container {
		grid-template-columns: auto auto auto auto;
	}
}

@media (min-width: 1300px) {
	.banner-content {
		padding-top: 100px;
	}
}