@import url("fonts.css");
html {
	font-size: 10px;
}

@media only screen and (max-width:1024px) {
	html {
		font-size: 9.411764705882353px;
	}
}
@media only screen and (max-width:768px) {
	html {
		font-size: 10px;
	}
}
@media only screen and (max-width:400px) {
	html {
		font-size: 9.411764705882353px;
	}
}

html, body {
	height: 100%;
}
body {
	background: #073042;
	font-family: "poppins-semibold", sans-serif;
	font-size: 1.7rem;
	line-height: 3rem;
	color: #6e6e6e;
}

/**
* links - (_document-setup.scss)
* -------------------------------------------------------------------
*/
a, a:visited {
	color: #FFFFFF;
	-moz-transition: all 0.3s ease-in-out;
	-o-transition: all 0.3s ease-in-out;
	-webkit-transition: all 0.3s ease-in-out;
	-ms-transition: all 0.3s ease-in-out;
	transition: all 0.3s ease-in-out;
}
a:hover, a:focus, a:active {
	color: #4285f4;
	outline: 0;
}

/**
* ===================================================================
* 03. typography & general theme styles - (_document-setup.scss)
*
* -------------------------------------------------------------------
*/
h1, h5, h6, .h01, .h03, .h05, .h06 {
	font-family: "poppins-semibold", sans-serif;
	color: #313131;
	font-style: normal;
	text-rendering: optimizeLegibility;
	margin-bottom: 2.1rem;
}
h5, .h05, h6, .h06 {
	font-family: "poppins-semibold";
	margin-bottom: 1.2rem;
}
h1, .h01 {
	font-size: 3.1rem;
	line-height: 1.355;
	letter-spacing: -.1rem;
}
@media only screen and (max-width:600px) {
	h1, .h01 {
		font-size: 2.6rem;
		letter-spacing: -.07rem;
	}
}
h5, .h05 {
	font-size: 1.4rem;
	line-height: 1.714;
	text-transform: uppercase;
	letter-spacing: .15rem;
}
h6, .h06 {
	font-size: 0.8rem;
	line-height: 1.714;
	text-transform: uppercase;
	letter-spacing: .15rem;
}


/**
* ===================================================================
* 10. intro - (_layout.scss)
*
* -------------------------------------------------------------------
*/
#intro {
	width: 100%;
	height: 100%;
	min-height: 720px;
	display: table;
	position: relative;
	text-align: center;
}
#intro-books {
	width: 100%;
	flex: 1;
	display: table;
	position: relative;
	text-align: center;
}
#intro-youtube {
	width: 100%;
	min-height: 720px;
	display: table;
	position: relative;
	text-align: center;
}
.section-two {
	margin-bottom: 40px;
}

.profile-image {
	border-radius: 50%;
}

.intro-content {
	display: table-cell;
	vertical-align: middle;
	text-align: center;
	-webkit-transform: translateY(-2.1rem);
	-ms-transform: translateY(-2.1rem);
	transform: translateY(-2.1rem);
}

.intro-content h1 {
	color: #FFFFFF;
	font-family: "poppins-semibold", sans-serif;
	font-size: 8.4rem;
	line-height: 1.071;
	max-width: 900px;
	margin-top: 0;
	margin-bottom: .6rem;
	margin-left: auto;
	margin-right: auto;
	text-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}
.intro-content h5 {
	color: #3ddc84;
	font-family: "poppins-semibold", sans-serif;
	font-size: 2.3rem;
	line-height: 1.565;
	margin-bottom: 0;
	text-transform: uppercase;
	letter-spacing: .3rem;
	text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}
.intro-content h6 {
	color: #3ddc84;
	font-family: "poppins-semibold", sans-serif;
	font-size: 1.8rem;
	line-height: 1.565;
  margin-top: 20px;
	margin-bottom: 0;
	text-transform: uppercase;
	letter-spacing: .3rem;
	text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}
.article-head h5 {
	color: #3ddc84;
	font-family: "poppins-semibold", sans-serif;
	font-size: 2.3rem;
	line-height: 1.565;
	margin-bottom: 0;
	text-transform: uppercase;
	letter-spacing: .3rem;
	text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}
.books-head h5 {
	color: #3ddc84;
	font-family: "poppins-semibold", sans-serif;
	font-size: 2.3rem;
	line-height: 1.565;
	margin-bottom: 0;
	text-transform: uppercase;
	letter-spacing: .3rem;
	text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}
.intro-content .intro-position {
	font-family: "poppins-semibold", sans-serif;
	font-size: 1.7rem;
	line-height: 2.4rem;
	text-transform: uppercase;
	letter-spacing: .2rem;
	color: #FFFFFF;
	text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}
.intro-content .intro-position {
	margin-bottom: 3rem;
}
.intro-content .intro-position span {
	display: inline-block;
}
.intro-content .intro-position span:first-child::after {
	content: "|";
	text-align: center;
	display: inline-block;
	position: relative;
	top: -25px;
	bottom: -2px;
	padding-left: 507px;
	padding-right: -2px;
	z-index: -2;
	color: rgba(255, 255, 255, 0.3);

}
.intro-content .intro-position span:first-child::before {
	content: "|";
	text-align: center;
	display: inline-block;
	padding: 0 14px 0 8px;
	color: rgba(255, 255, 255, 0.3);

}

.intro-social {
	display: block;
	position: inherit;
	width: 100%;
	left: 0;
	font-size: 3.3rem;
	margin: 3% 0% 0% 0%;
	padding: 0;
}
.intro-social li {
	display: inline-block;
	margin: 0 20px;
	padding: 0;
}
.intro-social li a, .intro-social li a:visited {
	color: #FFFFFF;
}
.intro-social li a:hover, .intro-social li a:focus {
	color: #4285f4;
}

.intro-books {
	margin: 20px;
	font-size: 2.3rem;
}
.intro-books li {
	display: flex;
	justify-content: center;
	flex-direction: column;
	text-align: center;
	flex-wrap: wrap;
	margin: 40px;
}
.intro-books li a, .intro-books li a:visited {
	color: #FFFFFF;
}
.intro-books li a:hover, .intro-books li a:focus {
	color: #4285f4;
}


.box-masonry {
	background: #151515;
	position: relative;
	-webkit-box-shadow: 0 0 5px #ccc;
	box-shadow: 0 0 5px #ccc;
	-webkit-transition: all 0.3s;
	transition: all 0.3s;
	overflow: hidden;
	text-overflow: ellipsis;
	margin-bottom: 2rem;
}
.box-masonry h4 {
	color: #3ddc84;
	font-family: "poppins-semibold", sans-serif;
	font-size: 2.3rem;
	line-height: 1.565;
	margin-bottom: 0;
	text-transform: uppercase;
	letter-spacing: .3rem;
	text-shadow: 0 0 6px rgba(0, 0, 0, 0.2);
}
/**
* responsive:
* Intro
* ---------------------------------------------------------------
*/
@media only screen and (max-width:1024px) {
	.intro-content h1 {
		font-size: 7.6rem;
	}
	.intro-social {
		display: flex;
	flex-wrap: wrap;
	justify-content: center;
		font-size: 3rem;
		padding: 0;
margin-top: 10px;
	}

	.intro-guide {
		display: flex;
	flex-wrap: wrap;
	justify-content: center;
		font-size: 3rem;
		padding: 0;
margin-top: 10px;
	}

	.intro-books {
		font-size: 3rem;
	}
	.intro-books li {
		margin: 35px;
	}
}
@media only screen and (max-width:768px) {
	#intro {
		min-height: 660px;
	}
	#intro-youtube {
		min-height: 660px;
	}
	.intro-content h1 {
		font-size: 5.2rem;
	}
	.intro-content h5 {
		font-size: 1.8rem;
	}
	.article-head h5 {
		font-size: 1.8rem;
	}
	.books-head h5 {
		font-size: 1.8rem;
	}
	.intro-content .intro-position {
		font-size: 1.3rem;
	}
	.intro-social {
		display: flex;
	flex-wrap: wrap;
	justify-content: center;
		font-size: 2.5rem;
		padding: 0;
margin-top: 10px;
	}
	.intro-guide {
		display: flex;
	flex-wrap: wrap;
	justify-content: center;
		font-size: 2.5rem;
		padding: 0;
margin-top: 10px;
	}
.intro-social li {
  line-height: 50px;
}

.intro-guide li {
	line-height: 50px;
  }

	.intro-books {
		font-size: 2.5rem;
	}
	.intro-books li {
		margin: 20px;
	}
}
@media only screen and (max-width:600px) {
	#intro {
		min-height: 600px;
	}
	#intro-youtube {
		min-height: 600px;
	}
	.intro-content h1 {
		font-size: 4.6rem;
		margin-bottom: .6rem;
	}
	.intro-content h5 {
		font-size: 1.5rem;
		margin-bottom: .3rem;
		letter-spacing: .2rem;
	}
	.intro-content h6 {
		font-size: 1.3rem;
		margin-bottom: .3rem;
		letter-spacing: .2rem;
	}
	.article-head h5 {
		font-size: 1.5rem;
		margin-bottom: .3rem;
		letter-spacing: .2rem;
	}
	.books-head h5 {
		font-size: 1.5rem;
		margin-bottom: .3rem;
		letter-spacing: .2rem;
	}
	.intro-content .intro-position {
		font-size: 1.2rem;
	}
	.intro-content .intro-position span {
		padding: 0 .6rem;
	}
	.intro-content .intro-position span::before, .intro-content .intro-position span::after {
		display: none !important;
	}
	.intro-social {
		font-size: 2.4rem;
margin-top: 10px;
	}
	.intro-social li {
	  line-height: 50px;
	}
	.intro-guide {
		font-size: 2.4rem;
margin-top: 10px;
	}
	.intro-guide li {
	  line-height: 50px;
	}
	.intro-books {
		font-size: 1.4rem;
	}
}

.main{
	max-width: 1200px;
	margin: 0 auto;
}
.cards {
	display: flex;
	flex-wrap: wrap;
	list-style: none;
	margin: 0;
	padding: 0;
}
.cards_item {
	display: flex;
	padding: 1rem;
}
@media (min-width: 40rem) {
	.cards_item {
		width: 50%;
	}
}
@media (min-width: 56rem) {
	.cards_item {
		width: 33.3333%;
	}
}
.card {
	background-color: white;
	border-radius: 0.25rem;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	height: 100%;
}
.container {
	padding: 2px 16px;
}
.card_image img {
	height: auto;
	max-width: 100%;
	vertical-align: middle;
}
.container h3 {
	color: #000;
	letter-spacing: 0.5px;
	margin-bottom: 1.25rem;
	margin-top: 1rem;
}

/* Style the tabs container */
.tabs {
	display: flex;
	width: 100%;
	border-bottom: 1px solid #ddd;
  }

  /* Style the tab links */
  .tab-link {
	display: block;
	padding: 15px 20px;
	text-align: center;
	text-decoration: none;
	color: #333;
	font-weight: bold;
	cursor: pointer;
	border-bottom: 4px solid transparent;
  }

  /* Style the active tab link */
  .tab-link.active {
	border-bottom-color: #007bff;
  }

  /* Style the underline animation */
  .underline {
	position: absolute;
	width: 100%;
	height: 4px;
	background-color: #007bff;
	transition: all 0.3s ease-in-out;
  }

  /* Hide the underline initially */
  .underline.hidden {
	opacity: 0;
	transform: translateX(-100%);
  }

  /* Content container */
  .content {
	padding: 20px;
  }

  /* The flip card container - set the width and height to whatever you want. We have added the border property to demonstrate that the flip itself goes out of the box on hover (remove perspective if you don't want the 3D effect */
.flip-card {
	background-color: transparent;
	width: 300px;
	height: 200px;
	border: 1px solid #f1f1f1;
	perspective: 1000px; /* Remove this if you don't want the 3D effect */
  }
  
  /* This container is needed to position the front and back side */
  .flip-card-inner {
	position: relative;
	width: 100%;
	height: 100%;
	text-align: center;
	transition: transform 0.8s;
	transform-style: preserve-3d;
  }
  
  /* Do an horizontal flip when you move the mouse over the flip box container */
  .flip-card:hover .flip-card-inner {
	transform: rotateY(180deg);
  }
  
  /* Position the front and back side */
  .flip-card-front, .flip-card-back {
	position: absolute;
	width: 100%;
	height: 100%;
	-webkit-backface-visibility: hidden; /* Safari */
	backface-visibility: hidden;
  }
  
  /* Style the front side (fallback if image is missing) */
  .flip-card-front {
	background-color: #bbb;
	color: black;
  }
  
  /* Style the back side */
  .flip-card-back {
	background-color: dodgerblue;
	color: white;
	transform: rotateY(180deg);
  }