styles.css

:root {
	--dark-bg-color: #232f3e;
	--light-bg-color: #eeeeee;
	--primary-color: #f79808;
	--width-speaker: "300px";
}

html {
	line-height: 1.15;
	-webkit-text-size-adjust: 100%;
	font-size: 10px;
	scroll-behavior: smooth;
}

img {
	border-style: none;
}

body {
	margin: 0;
	padding: 0;
	font-family: Tahoma, sans-serif;
	box-sizing: border-box;
	color: white;
	background-color: var(--dark-bg-color);
	font-size: 1.6rem;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
main {
	display: block;
}

h1 {
	font-size: 2em;
	margin: 0.67em 0;
}

img {
	overflow-clip-margin: content-box;
	overflow: clip;
}

.container {
	max-width: 1100px;
	padding: 0 20px;
	margin: 0 auto;
}

#header {
	position: fixed;
	left: 0;
	top: 0;
	right: 0;
	z-index: 1000;
	height: 60px;
}

.header-container {
	display: flex;
	align-items: center;
	height: 100%;
}

.header-scrolled {
	background: var(--dark-bg-color);
	border-bottom: 1px solid var(--primary-color);
	transition: all 0.5s;
}

.navbar {
	overflow: hidden;
	margin-left: auto;
}

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

.navbar li a {
	display: block;
	color: rgba(202, 206, 221, 0.8);
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
}

.navbar li a:hover,
.navbar li a:active {
	color: white;
}

.navbar li a.menu-bay-tickets {
	color: #f79808;
}

.navbar li a.menu-bay-tickets:hover,
.navbar li a.menu-bay-tickets:active {
	color: #fbc036;
}

.logo {
	margin-top: 5px;
}

.burger-menu {
	display: none;
	cursor: pointer;
}

#intro {
	position: relative;
	height: 100vh;
	background: url("./assets/img/intro_bg.webp") no-repeat center center;
	background-size: cover;
	overflow: hidden;
}

.info-container {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	height: 100%;
}

.info-description {
	font-size: 2rem;
	text-align: center;
	margin: 20px 0;
}

.cloud {
	height: 60px;
	width: 100%;
	background-image: url("./assets/img/cloud.svg");
	background-repeat: repeat-x;
	background-position: bottom center;
	background-size: contain;
	position: absolute;
	bottom: -1px;
	left: 0;
}

.btn {
	display: inline-block;
	padding: 10px;
	text-decoration: none;
	color: white;
	background-color: var(--primary-color);
	cursor: pointer;
	border-radius: 6px;
}

.btn:hover {
	background-color: #ee9002;
}

.section {
	padding: 50px 0;
}

.section_light {
	background-color: white;
	color: #232f3e;
}

.section-title,
.section-subtitle {
	font-size: 3rem;
	text-transform: uppercase;
	padding: 0;
	color: transparent;
	background-image: linear-gradient(180turn, #d88200 0%, #fbc036 100%);
	-webkit-background-clip: text;
	will-change: transform;
	line-height: 1.25;
	background-position: center center;
	border-color: transparent;
	border-style: solid;
	width: fit-content;
}

.section-subtitle {
	font-size: 2rem;
}

.wave {
	background-image: url("./assets/img/wave.svg");
	background-repeat: no-repeat;
	background-size: cover;
	position: absolute;
	height: 120px;
	bottom: -1px;
	left: 0;
	right: 0;
}

.tickets-container {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 70px;
}

.ticket {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: flex-end;
	border-top-width: 20px;
	width: 250px;
	position: relative;
	/* border: 1px solid #e8e8e8; */
	border-radius: 6px;
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.14);
	color: #232f3e;
	min-height: 300px;
}

.ticket-title-container {
	padding-top: 16px;
	width: 100%;
	min-height: 100px;
}

.ticket-title {
	font-size: 3rem;
	text-align: center;
	width: 100%;
}

.ticket__supper-early-bird .ticket-title {
	color: #e93e2c;
}

.ticket__supper-early-bird .ticket-end {
	background-color: #e93e2c;
}

.ticket__early-bird .ticket-title {
	color: var(--primary-color);
}

.ticket__early-bird .ticket-end {
	background-color: var(--primary-color);
}

.ticket-sum {
	font-size: 4rem;
	font-weight: 900;
	padding: 0;
	margin: 0;
	flex-grow: 1;
}

.ticket-end {
	display: flex;
	justify-content: center;
	align-items: center;
	align-self: stretch;
	height: 36px;
	margin: 12px 0 24px;
	background-color: #ced0db;
	color: white;
	font-weight: 600;
}

.ticket-end>p {
	padding: 0;
	margin: 0;
}

.bay-ticket {
	font-size: 2rem;
	padding: 10px;
	margin-bottom: 15px;
	background-color: #e93e2c;
}

.bay-ticket:hover {
	background-color: #fa5342;
}

.bay-ticket__disabled {
	background-color: #ced0db;
	cursor: default;
}

.bay-ticket__disabled:hover {
	background-color: #ced0db;
}

.ticket-disclosure {
	text-align: center;
	margin-top: 60px;
}

#speakers {
	padding-bottom: 150px;
}

.flex-wrap-container {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	align-items: center;
	gap: 40px;
}

.speaker-container {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	align-items: flex-start;
	gap: 60px;
}

.speaker {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
}

.speaker-img {
	width: 255px;
	height: 255px;
	border-radius: 50%;
	overflow: hidden;
	user-select: none;
}

.speaker-info {
	color: #9195a2;
	margin-top: 18px;
}

.speaker-info>p {
	padding: 0;
	margin: 0;
}

.speaker-title {
	font-size: 2.2rem;
	font-weight: 900;
	text-decoration: none;
	color: #232f3e;
	margin-bottom: 12px;
}

.speaker-title>span {
	color: var(--primary-color);
}

#agenda {
	padding-top: 0;
}

#location {
	padding-bottom: 0;
}

.location-container {
	display: flex;
	gap: 10px;
	overflow: hidden;
}

.location-description {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	font-size: 1.8rem;
	line-height: 1.6;
	margin-left: 40px;
}

.call-for-sponsors {
	font-size: 2rem;
	line-height: 3rem;
	margin-top: 60px;
	max-width: 500px;
}

.section_light .call-for-sponsors {
	color: #232f3e;
}

.members-container {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 40px;
}

.member {
	display: flex;
	width: 500px;
}

.member-img {
	flex-shrink: 0;
	width: 150px;
	height: 150px;
	border-radius: 50%;
	overflow: hidden;
	user-select: none;
	margin-right: 20px;
}

.avatar {
	width: 100%;
	height: 100%;
	text-align: center;
	object-fit: contain;
}

.member-info {
	color: #9195a2;
	margin-top: 18px;
}

.member-info>p {
	padding: 0;
	margin: 0;
}

.member-title {
	display: inline-block;
	font-size: 2.2rem;
	font-weight: 900;
	text-decoration: none;
	color: #fff;
	margin-bottom: 12px;
}

.section_light .member-title {
	color: #232f3e;
}

#organizing-team {
	background-image: url("./assets/img/grid.png");
	background-repeat: no-repeat;
}

.copyrigth {
	margin-top: 80px;
	text-align: center;
}

.mb-60 {
	margin-bottom: 60px;
}

.mt-50 {
	margin-top: 50px;
}

.mt-100 {
	margin-top: 100px;
}

@media screen and (max-width: 768px) {
	body.lock {
		overflow: hidden;
	}

	.cloud {
		background-size: cover;
	}

	.header-container {
		background-color: var(--dark-bg-color);
		border-bottom: 1px solid var(--primary-color);
	}

	.burger-menu {
		display: flex;
		justify-content: center;
		align-items: center;
		font-size: 4rem;
		line-height: 4rem;
		margin: 0 20px;
		margin-left: auto;
		width: 30px;
		height: 30px;
	}

	.navbar ul {
		flex-direction: column;
		justify-content: center;
		position: fixed;
		width: 100%;
		height: 100%;
		top: -130%;
		left: 0;
		transition: all 0.3s ease 0s;
		background-color: var(--dark-bg-color);
		font-size: 3rem;
		padding: 20px 0;
		z-index: -1;
	}

	.navbar ul.active {
		top: 62px;
	}

	.navbar li {
		text-align: center;
		margin: 20px 0;
	}

	.navbar li:last-child {
		background: #ff9900;
	}

	.navbar li:last-child .menu-bay-tickets {
		color: #fff;
	}

	.navbar li a:hover,
	.navbar li a:active {
		color: white;
		background-color: var(--primary-color);
	}

	.location-container {
		flex-direction: column;
	}

	.location-description {
		margin-left: 0;
	}
}

#talks .section-title,
#workshops .section-title {
	margin-bottom: 32px;
}

#agenda .section-title {
	font-weight: bolder;
}

.timeline-article {
	width: 100%;
	height: 100%;
	position: relative;
	overflow: hidden;
	margin: 20px 0;
}

.timeline-article .content-left-container,
.timeline-article .content-right-container {
	max-width: 44%;
	width: 100%;
}

.timeline-article .timeline-author {
	display: block;
	font-weight: 400;
	font-size: 14px;
	line-height: 24px;
	color: #ffffff;
	text-align: right;
}

.timeline-article .content-left,
.timeline-article .content-right {
	position: relative;
	width: auto;
	border: 1px solid #ddd;
	background-color: #f5f2ed;
	box-shadow: 0 1px 3px rgba(0, 0, 0, .03);
	padding: 27px 25px;
}

.timeline-article p {
	margin: 0 0 0 60px;
	padding: 0;
	font-weight: 400;
	color: #242424;
	font-size: 14px;
	line-height: 24px;
	position: relative;
}

.timeline-article p span.article-number {
	position: absolute;
	font-weight: 300;
	font-size: 24px;
	top: 1px;
	left: -60px;
	color: #FF9900;
}

.timeline-article .content-left-container {
	float: left;
}

.timeline-article .content-right-container {
	float: right;
}

.timeline-article .content-left:before,
.timeline-article .content-right:before {
	position: absolute;
	top: 22px;
	font-size: 23px;
	font-family: "FontAwesome";
	color: #f5f2ed;
}

.timeline-article .content-left:before {
	content: "\25ba";
	right: -12px;
}

.timeline-article .content-right:before {
	content: "\25ba";
	transform: rotate(180deg);
	left: -12px;
}

.timeline-article .meta-date {
	position: absolute;
	top: 0;
	left: 50%;
	width: 62px;
	height: 62px;
	margin-left: -31px;
	color: #fff;
	border-radius: 100%;
	background: #FF9900;
}

.timeline-article .meta-date .date,
.timeline-article .meta-date .month {
	display: block;
	text-align: center;
	font-weight: 400;
}

.timeline-article .meta-date .date {
	font-size: 22px;
	line-height: 40px;
}

.timeline-article .meta-date .month {
	font-size: 16px;
	line-height: 6px;
	text-transform: uppercase;
}

/*===== // Vertical Timeline =====*/

/*===== Resonsive Vertical Timeline =====*/
@media only screen and (max-width: 830px) {

	#conference-timeline .timeline-start,
	#conference-timeline .timeline-end {
		margin: 0;
	}

	#conference-timeline .conference-center-line {
		margin-left: 0;
		left: 50px;
	}

	.timeline-article .meta-date {
		margin-left: 0;
		left: 20px;
	}

	.timeline-article .content-left-container,
	.timeline-article .content-right-container {
		max-width: 100%;
		width: auto;
		float: none;
		margin-left: 110px;
		min-height: 53px;
	}

	.timeline-article .content-left-container {
		margin-bottom: 20px;
	}

	.timeline-article .content-left,
	.timeline-article .content-right {
		padding: 10px 25px;
		min-height: 65px;
	}

	.timeline-article .content-left:before {
		content: "\f0d9";
		right: auto;
		left: -8px;
	}

	.timeline-article .content-right:before {
		display: none;
	}
}

@media only screen and (max-width: 400px) {
	.timeline-article p {
		margin: 0;
	}

	.timeline-article p span.article-number {
		display: none;
	}

}

@media screen and (max-width: 500px) {
	.info-logo-img {
		width: 95%;
	}

	.member {
		flex-direction: column;
		align-items: center;
		text-align: center;
	}
}

.container-fluid .row {
	padding: 0 0 4em 0;
}

.container-fluid .row:nth-child(even) {
	background: #f1f4f5;
}

.timeline {
	line-height: 1.4em;
	list-style: none;
	margin: 0;
	padding: 0;
	width: 100%;
}

.timeline h1,
.timeline h2,
.timeline h3,
.timeline h4,
.timeline h5,
.timeline h6 {
	line-height: inherit;
}

.timeline-item {
	padding-left: 40px;
	position: relative;
}

.timeline-item:last-child {
	padding-bottom: 0;
}

.timeline-info {
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 3px;
	margin: 0 0 0.5em 0;
	text-transform: uppercase;
	white-space: nowrap;
}

.timeline-marker {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: 15px;
}

.timeline-marker:before {
	background: #ff9900;
	border: 3px solid transparent;
	border-radius: 100%;
	content: "";
	display: block;
	height: 15px;
	position: absolute;
	top: 4px;
	left: 0;
	width: 15px;
	transition: background 0.3s ease-in-out, border 0.3s ease-in-out;
}

.timeline-marker:after {
	content: "";
	width: 3px;
	background: #ccd5db;
	display: block;
	position: absolute;
	top: 24px;
	bottom: 0;
	left: 6px;
}

.timeline-item:last-child .timeline-marker:after {
	content: none;
}

.timeline-item:not(.period):hover .timeline-marker:before {
	background: transparent;
	border: 3px solid #ff9900;
}

.timeline-content {
	padding-bottom: 40px;
}

.timeline-content p:last-child {
	margin-bottom: 0;
}

.period {
	padding: 0;
}

.period .timeline-info {
	display: none;
}

.period .timeline-marker:before {
	background: transparent;
	content: "";
	width: 15px;
	height: auto;
	border: none;
	border-radius: 0;
	top: 0;
	bottom: 30px;
	position: absolute;
	border-top: 3px solid #ccd5db;
	border-bottom: 3px solid #ccd5db;
}

.period .timeline-marker:after {
	content: "";
	height: 32px;
	top: auto;
}

.period .timeline-content {
	padding: 100px 0 70px;
}

.timeline-title {
	font-weight: bold;
	color: #ff9900;
	padding-bottom: 8px;
	margin-bottom: 4px;
}

.timeline-author {
	margin-bottom: 2px;
	font-weight: bold;
}

.timeline-position {
	color: #ddd;
}

@media (min-width: 768px) {

	.timeline.timeline-authoreline,
	.timeline-centered .timeline {
		display: table;
	}

	.timeline-split .timeline-item,
	.timeline-centered .timeline-item {
		display: table-row;
		padding: 0;
	}

	.timeline-split .timeline-info,
	.timeline-centered .timeline-info,
	.timeline-split .timeline-marker,
	.timeline-centered .timeline-marker,
	.timeline-split .timeline-content,
	.timeline-centered .timeline-content,
	.timeline-split .period .timeline-info,
	.timeline-centered .period .timeline-info {
		display: table-cell;
		vertical-align: top;
	}

	.timeline-split .timeline-marker,
	.timeline-centered .timeline-marker {
		position: relative;
	}

	.timeline-split .timeline-content,
	.timeline-centered .timeline-content {
		padding-left: 30px;
	}

	.timeline-split .timeline-info,
	.timeline-centered .timeline-info {
		padding-right: 30px;
	}

	.timeline-split .period .timeline-title,
	.timeline-centered .period .timeline-title {
		position: relative;
		left: -45px;
	}
}

@media (min-width: 992px) {

	.timeline-centered,
	.timeline-centered .timeline-item,
	.timeline-centered .timeline-info,
	.timeline-centered .timeline-marker,
	.timeline-centered .timeline-content {
		display: block;
		margin: 0;
		padding: 0;
	}

	.timeline-centered .timeline-item {
		padding-bottom: 40px;
		overflow: hidden;
	}

	.timeline-centered .timeline-marker {
		position: absolute;
		left: 50%;
		margin-left: -7.5px;
	}

	.timeline-centered .timeline-info,
	.timeline-centered .timeline-content {
		width: 50%;
	}

	.timeline-centered>.timeline-item:nth-child(odd) .timeline-info {
		float: left;
		text-align: right;
		padding-right: 30px;
	}

	.timeline-centered>.timeline-item:nth-child(odd) .timeline-content {
		float: right;
		text-align: left;
		padding-left: 30px;
	}

	.timeline-centered>.timeline-item:nth-child(even) .timeline-info {
		float: right;
		text-align: left;
		padding-left: 30px;
	}

	.timeline-centered>.timeline-item:nth-child(even) .timeline-content {
		float: left;
		text-align: right;
		padding-right: 30px;
	}

	.timeline-centered>.timeline-item.period .timeline-content {
		float: none;
		padding: 0;
		width: 100%;
		text-align: center;
	}

	.timeline-centered .timeline-item.period {
		padding: 100px 0 90px;
	}

	.timeline-centered .period .timeline-marker:after {
		height: 30px;
		bottom: 0;
		top: auto;
	}

	.timeline-centered .period .timeline-title {
		left: auto;
	}
}

.marker-outline .timeline-marker:before {
	background: transparent;
	border-color: #ff9900;
}

.marker-outline .timeline-item:hover .timeline-marker:before {
	background: #ff9900;
}