* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
	}

	.default {
		width: 70%;
		transition: all 0.3s ease 0s;
		font-family: "Open Sans";
		max-width: 1300px;
		margin: 50px auto 50px auto;
		border-radius: 10px; 
		background: #fff;
		padding: 50px;
		box-shadow: 0 0 5px 1px #ddd;
		min-width: 1000px;
		}
	.default h1 {
		font-size:24px;
		margin-top: 20px;
		}
	.default img {
		display:center;
		margin:0 0 0 0;
		}
	.default p {
		/*font-size:14px;*/
		margin:10px 0;
		} 
	    h2 {
		text-align: center;
    }
	iframe {
		width: 50%;
		height:250px;
		height: 100%;
	}
	.video-container {
        position: relative;
        width: 100%;
        padding-bottom: 56.25%;
        height: 0;
    }

    .video-container iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
	body {
      background-color: #74518C;
	  background-image: url(fon.webp);
	  background-repeat: no-repeat;
	  background-position: center center;
	  background-attachment: fixed;
	  -webkit-background-size: cover;
	  -moz-background-size: cover;
	  background-size: cover;
	  box-sizing: border-box;
	  font-size: 16px;
	  line-height: auto;
	  font-family: Open Sans;
    }
    section {
		text-align: -webkit-center;
	}
	.card {
	width: 100%;
	box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
	max-width: 450px;
	text-align: center;
	font-family: sans-serif;
	position: relative;
	border-radius: 4px;
	transition: all 0.3s ease 0s;
	}
	.card__image{
	min-width: 350px;
	min-height: 350px;
	border-radius: 4px;
	margin-left: 6.5%;
	}
	h3 {
	color: #7c4dff;
	transition: all 0.3s ease 0s;
	}
	.cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
	gap: 40px;
	justify-items: center;
	}
	.card li {display: inline;}
	.card a {
	color: #fff;
	padding: 20px;
	height: auto;
	text-decoration: none;
	font-weight: bold;
	display: inline-block;
	width: 150px;
	background-color: #8B00D3;
	border-radius: 20px 5px;
	transition: all 0.3s ease 0s;
	}

	.card a:hover {
	border-radius: 20px 5px;
	background-color: #A85CD4;
	transition: all 0.3s ease 0s;
	}
    .container {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
	}
	p {
      padding: 6px;
	  size: 8px;
      border-radius: 5px;
      overflow-x: auto;

    }
	li {
      padding: 6px;
      border-radius: 4px;
      overflow-x: auto;  
    }
    pre {
      background-color: #f9f9f9;
      padding: 10px;
      border-radius: 5px;
      overflow-x: auto;
    }
    .copy-btn {
      display: block;
      width: 120px;
      margin: 20px auto;
      padding: 10px 15px;
      font-size: 16px;
      background-color: #7728AD;
      color: #fff;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      text-align: center;
      text-decoration: none;
    }
    .copy-btn:hover {
		background-color: #A85CD4;
		transition: all 0.3s ease 0s;
    }
	.wrapper {
		-webkit-background-size: cover;
		background-attachment: fixed;
		background-size: cover;
		width: 100%;
		height: 100%;
		position: absolute;
		opacity: .9;
	}
	#copyNotification {
			display: none;
            position: fixed;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            background-color: #f59403b8;
            color: white;
            padding: 8px;
            border-radius: 5px;
            z-index: 9999;
        }
	#navbar {
        margin: 0;
        padding: 0;
        list-style-type: none;
        border: 2px solid #8B00D3;
        border-radius: 20px 5px;
        width: 100%;
		min-width: 250px;
		min-height: 60px;
        text-align: center;
		z-index: 500;
        background-color: #8B00D3;
      }
      #navbar li { 
	  display: inline;  
	  }
      #navbar a {
        align-content: space-around;
        color: #fff;
        padding: 5px 10px;
        text-decoration: none;
        font-weight: bold;
        display: inline-block;
        width: 20%;
		min-height: 60px;
      }
      #navbar a:hover {
        border-radius: 20px 5px;
        background-color: #A85CD4;
		transition: all 0.3s ease 0s;
      }
	  .sticky {
	position: -webkit-sticky;
	position: sticky;
	top: 0;
}
	  	  .logo-style{
		  margin-top: 20px; 
		  margin-bottom: 20px;	
    }
	  .logos{
		  max-width: 800px;
		  max-height: 120px;
		  height: auto;
	  }
	.stxt {
		text-align: center;
    }
	.bstxt {
		font-size: 14px;
		font-weight: 900;
	}
	.custom-button {
		position: relative;
		background-color: #5f65a329;
		border: none;
		color: black;
		font-family: Arial, sans-serif;
		padding: 5px 10px;
		text-align: left;
		text-decoration: none;
		display: inline-block;
		font-size: 16px;
		margin: 4px 2px;
		cursor: pointer;
		border-radius: 5px;
		width: 100%;
		transition: transform 0.5s ease;
		overflow-wrap: break-word; 
	}

	.custom-button::before {
		content: ''; 
		position: absolute; 
		top: -2px;
		left: -10px; 
		height: 101%; 
		width: 6px; 
		border-radius: 5px;
		background-color: #007bff; 
		transition: transform 0.5s ease;
	}


	.swiper {
  width: 600px;
	height: 350px;}
  .swiper-slide img{
      width: 600px; 
		height: 350px;;
    }
	
	.about_name{
		font-size: 20px; 
		font-variant: normal;
		text-align: left;
		font-weight: bold;
		text-indent: 0px;
	}
    .about_mainInfo{
		text-align: left; 
		text-indent: 0px;
	}
	.about_teachers{
		font-size: 20px; 
		font-variant: normal; 
		text-align: left; 
		font-weight: bold; 
		text-indent: 0px; 
		position: relative; 
		left: 30px
	}
	.about_teachers_mainInfo{
		text-align: left; 
		text-indent: 0px; 
		position: relative;  
		left: 30px
	}
	.textfield {
		position: relative;
		max-width: 80%;
		top: 10px;
		left: 0;
		margin: 25px 10% 25px 10%;


		}
		.textfield::before {
			content: "";
			position: absolute;
			top: 100%;
			width: 100%;
			height: 2px; 
			background-color: blue; 
			transform: translateY(-50%);
		}
		.aboutimg{
		 max-width: 600px;
		 height: auto;
		 width: 36%;
		}
		
		.heading {
		  font-size: 30px;
		  font-variant: normal;
		  text-align: left; 
		  font-weight: bold;
		  text-indent: 0px;
		}
		.author {
		  border: none;
		  max-width: 300px;
		  max-height: 60px;
		  height: auto;
		  cursor: pointer;
		  background-color: #5e68ff1c;
		  color: #000000;
		  padding: 8px 8px ;
		  font-style: italic;
		  font-size: 12px;
		  font-variant: normal;
		  text-align: left;
		  text-decoration: none;
		  text-transform: none;
		  position: relative;
		  border-radius: 20px;
		  box-shadow: 4px 4px 5px #BFBFBF;
		}
		
		
		.modal {
		  display: none;
		  position: fixed;
		  z-index: 9999; 
		  left: 0;
		  top: 0;
		  width: 100%;
		  height: 100%;
		  background-color: rgba(0,0,0,0.5);
		  overflow: auto;
		}

		.modal-content {
		  background-color: #fefefe;
		  margin: 15% auto;
		  padding: 20px;
		  border: 1px solid #888;
		  width: 80%;
		}

		.close {
		  color: #aaa;
		  float: right;
		  font-size: 28px;
		  font-weight: bold;
		}

		.close:hover,
		.close:focus {
		  color: black;
		  text-decoration: none;
		  cursor: pointer;
		  transition: all 0.3s ease 0s;
		}

.open-sans-<uniquifier> {
  font-family: "Open Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: <weight>;
  font-style: normal;
  font-variation-settings:
    "wdth" 100;
}

*
{
    user-select: none;  
}


#toggle_checkbox
{
    display: none;
}

label
{
    display: block;
    position: absolute;
    width: 76px;
    height: 36px;
	top: 49%;
	left: 90%;
    margin: 0 auto;
    background-color: #77b5fe;
    border-radius: 56px;
    transform: translateY(-50%);
    cursor: pointer;
    transition: 0.3s ease background-color;
    overflow: hidden;
}

#star
{
    position: absolute;
    top: 7px;
    left: 13px;
    width: 20px;
    height: 20px;
    background-color: #fafd0f;
    transform: scale(1);
    border-radius: 50%;
    transition: 0.3s ease top, 0.3s ease left, 0.3s ease transform, 0.3s ease background-color;
    z-index: 1;
}

#star-1
{
    position: relative;
}

#star-2
{
    position: absolute;
    transform: rotateZ(36deg);
}

.star
{
    top: 0;
    left: -7px;
    font-size: 40px;
    line-height: 20px;
    color: #fafd0f;
    transition: 0.3s ease color;
}

#moon
{
    position: absolute;
    bottom: -52px;
    right: 8px;
    width: 35px;
    height: 20px;
    background-color: #fff;
    border-radius: 50%;
    transition: 0.3s ease bottom;
}

#moon:before
{
    content: "";
    position: absolute;
    top: -12px;
    left: -17px;
    width: 43px;
    height: 40px;
    background-color:#03a9f4;
    border-radius: 50%;
    transition: 0.3s ease background-color;
}

#toggle_checkbox:checked + label
{
    background-color: #000;
}

#toggle_checkbox:checked + label #star
{
    top: 3px;
    left: 40px;
    transform: scale(0.3);
    background-color: yellow;
}

#toggle_checkbox:checked + label .star
{
    color: yellow;
}

#toggle_checkbox:checked + label #moon
{
    bottom: 8px;
}

#toggle_checkbox:checked + label #moon:before
{
    background-color: #000;
}


  .popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
  }
  .popup-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    background: #fff;
  }
  .popup-close {
    position: absolute;
    top: 0px;
    right: 10px;
    cursor: pointer;
	font-size: 54px;
  }
  #open-popup {
  background-color: rgba(0, 0, 0, 0);
  font-size: 16px;
  border: none;
  cursor: pointer;
  color: #0965C5;
}

a.link {
  background-color: rgba(0, 0, 0, 0);
  font-size: 16px;
  border: none;
  cursor: pointer;
  color: #0965C5;
}

	#navbar2 {               
        margin: 0;
        padding: 3px;
        list-style-type: none;
        border: 1px;
		border-top-style: solid;
		border-top-color: black;
        width: 100%;
		font-size: 20px;
		font-weight: bold;
        text-align: center;
      }
      #navbar2 li { display: inline; }
		#navbar2 a {
			position: relative; 
			text-decoration: none; 
			display: inline-block;
			width: 200px;
			color: black;
		}

		#navbar2 a::after {
			content: ''; 
			position: absolute; 
			bottom: 26px; 
			left: 0; 
			height: 4px; 
			background-color: #8B00D3; 
			width: 0; 
			max-width: 100%;
			transition: width 0.3s ease; 
		}

		#navbar2 a:hover::after {
			width: 100%; 
		}


	.dark-theme #open-popup {
	  background-color: rgba(0, 0, 0, 0);
	  font-size: 16px;
	  border: none;
	  cursor: pointer;
	  color: #B6DC2B;
	}	
	.dark-theme	a.link{
	  background-color: rgba(0, 0, 0, 0);
	  font-size: 16px;
	  border: none;
	  cursor: pointer;
	color: #B6DC2B;
	}
	.dark-theme	body {
		background-color: #333;
		color: #fff;
		transition: transform 0.5s ease;
	}

	.dark-theme .default {
		background: #222;
		color: #fff;
		box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
	}

	.dark-theme .card {
		box-shadow: 0 4px 8px 0 rgba(255, 255, 255, 0.2);
		background: #3C3E3E;
	}

	.dark-theme .custom-button {
			position: relative;
			background-color: #003344;
			border: none;
			color: white;
			font-family: Arial, sans-serif;
			padding: 5px 10px;
			text-align: left;
			text-decoration: none;
			display: inline-block;
			font-size: 16px;
			margin: 4px 2px;
			cursor: pointer;
			border-radius: 5px;
			width: 100%;
			transition: transform 0.5s ease;
		}
	.dark-theme .custom-button::before {
			content: ''; 
			position: absolute; 
			top: -2px;
			left: -10px; 
			height: 101%; 
			width: 6px; 
			border-radius: 5px;
			background-color: #00B5E2; 
			transition: transform 0.5s ease;
		}
	.dark-theme .card a {
		background-color: #2A015B;
	}

	.dark-theme .card a:hover {
		background-color: #3D0283;
		transition: all 0.3s ease 0s;
	}
	.dark-theme h3 {
		color: #B6DC2B;
	}
	.dark-theme #navbar {
			margin: 0;
			padding: 0;
			list-style-type: none;
			border: 2px solid #2A015B;
			border-radius: 20px 5px;
			width: 100%;
			text-align: center;
			background-color: #2A015B;
			transition: transform 0.5s ease;
		  }
	.dark-theme #navbar a:hover {
			border-radius: 20px 5px;
			background-color: #3D0283;
			transition: all 0.3s ease 0s;
		  }
	.dark-theme	#navbar2 a {
			position: relative; 
			text-decoration: none; 
			display: inline-block;
			width: 200px;
			color: white;
		}

	.dark-theme	#navbar2 a::after {
			content: ''; 
			position: absolute; 
			bottom: 26px; 
			left: 0; 
			height: 4px; 
			background-color: #8B00D3; 
			width: 0; 
			max-width: 100%;
			transition: width 0.3s ease; 
			color: white;
		}
	  	.dark-theme .author {
		  border: none;
		  max-width: 300px;
		  max-height: 60px;
		  height: auto;
		  cursor: pointer;
		  background-color: #2A015B;
		  color: white;
		  padding: 8px 8px ;
		  font-style: italic;
		  font-size: 12px;
		  font-variant: normal;
		  text-align: left;
		  text-decoration: none;
		  text-transform: none;
		  position: relative;
		  border-radius: 20px;
		  box-shadow: 4px 4px 5px black;
		}
	  .dark-theme .aboutimg{
		 max-width: 600px;
		 height: auto;
		 width: 36%;
		 filter: brightness(.8) contrast(1.2);
		}
	  .dark-theme .modal-content {
		  background-color: #050505;
		  margin: 15% auto;
		  padding: 20px;
		  border: 1px solid #050505;
		  width: 80%;
		}
	  .dark-theme .form-at 
	 {
		 background: #3C3E3E;
	 }
	  .dark-theme .validate-input-at,
	.dark-theme .no-validate-input-at {
    width: 100%;
    position: relative;
    background-color: #545656;
    border: 2px solid #3D0283;
    border-radius: 2px;
    margin-bottom: 20px;
	}
	.dark-theme .form-at-btn {
    position: relative;
    display: block;
    padding: 0 40px;
    height: 50px;
    background-color: #2A015B;
    border-radius: 15px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    text-transform: uppercase;
    line-height: 1.2;
    transition: all 0.4s;
    margin: 0 auto;
    outline: none;
    border: none;
    cursor: pointer;        
	}
	.dark-theme .form-at-btn:hover {
    background-color: #3D0283;
	}
	.dark-theme .input-at {
    color: #fff;
}
	  
	  
::-webkit-input-placeholder {font-size: 16px;}
::-moz-placeholder {font-size: 16px;}         
:-moz-placeholder {font-size: 16px;}
:-ms-input-placeholder {font-size: 16px;}
:focus::-webkit-input-placeholder {opacity: 0;}    
:focus::-moz-placeholder {opacity: 0;}    
:focus:-moz-placeholder {opacity: 0;}    
:focus:-ms-input-placeholder {opacity: 0;}    
.form-at {
    width: 100%;
    padding: 20px;
    box-sizing: border-box; 
    overflow: hidden;
    font-size: 0;  
    letter-spacing: 0;    
    background: #f9f9f9;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2), 0 10px 18px rgba(0,0,0,0.2);
}
.form-at * {
    box-sizing: border-box;  
}
.validate-input-at,
.no-validate-input-at {
    width: 100%;
    position: relative;
    background-color: #fff;
    border: 2px solid #A85CD4;
    border-radius: 2px;
    margin-bottom: 20px;
}
.validate-input-at.w-50,
.no-validate-input-at.w-50 {
    width: calc(50% - 10px);
    display: inline-block;
}
.validate-input-at.w-50:first-child,
.no-validate-input-at.w-50:first-child {
    margin-right: 20px;
}
.input-at {
    display: block;
    width: 100%;
    background: transparent;
    color: #000;
}
input.input-at {
    height: 50px;
    padding: 0 20px 0 20px;
    font-size: 16px;
    outline: none;
    border: none;  
}
textarea.input-at {
    min-height: 170px;
    padding: 18px 20px;
    font-size: 16px;
    line-height: 22px;
    outline: none;
    border: none;
    resize: none;
}
textarea.input-at:focus, 
input.input-at:focus {
    border-color: transparent;
}
.focus-input-at {
    position: absolute;
    display: block;
    width: calc(100% + 2px);
    height: calc(100% + 2px);
    top: -1px;
    left: -1px;
    pointer-events: none;
    border: 2px solid #A85CD4;
    border-radius: 2px;
    visibility: hidden;
    opacity: 0;
    transition: all 0.4s;
    transform: scaleX(1.1) scaleY(1.3);
}
.input-at:focus + .focus-input-at {
    visibility: visible;
    opacity: 1;
    transform: scale(1);
}
.form-at-btn {
    position: relative;
    display: block;
    padding: 0 40px;
    height: 50px;
    background-color: #8B00D3;
    border-radius: 15px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    text-transform: uppercase;
    line-height: 1.2;
    transition: all 0.4s;
    margin: 0 auto;
    outline: none;
    border: none;
    cursor: pointer;        
}
.form-at-btn:hover {
    background-color: #A85CD4;
}
.form-at-btn[disabled] {
    opacity: .6;
    cursor: not-allowed;
}
.alert-validate::before {
    content: attr(data-validate);
    position: absolute;
    max-width: 70%;
    background-color: #fff;
    border: 1px solid #8B00D3;
    border-radius: 2px;
    padding: 4px 25px 4px 10px;
    top: 50%;
    transform: translateY(-50%);
    right: 12px;
    pointer-events: none;
    color: #c80000;
    font-size: 13px;
    line-height: 1.4;
    text-align: left;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.4s;
}

.alert-validate::after {
    content: "\2718";
    display: block;
    position: absolute;
    color: #A85CD4;
    font-size: 18px;
    font-weight: bold;    
    top: 50%;
    transform: translateY(-50%);
    right: 22px;
}
.alert-validate:hover:before {
    visibility: visible;
    opacity: 1;
}
.error-at {
    color: red;
    padding: 10px 0;
}
.success-at {
    color: green;
    font-size: 28px;
    padding: 20px 0;
    text-align: center;
}
.form-at input[type=checkbox] {
    display:none;
}
.form-at input[type=checkbox] {
    display: block;
    position: relative;
    margin: 0 0 20px 34px;
    font-size: 13px;
    line-height: 24px;
    color: #333333;
}
.form-at input[type=checkbox]{
    box-sizing: border-box;
    position: absolute;
    content: '';
    width: 26px;
    height: 26px;
    line-height: 22px;
    left: -34px;
    border: 2px solid #BFE2FF;
    border-radius: 2px;
}
.form-at input[type=checkbox]:checked{
    content: '\2714';
    color:#337AB7;
    font-size: 14px;
    text-align: center;
    font-weight: bold;
    border: 2px solid #337AB7;
}
@media (max-width: 768px) {
    .validate-input-at.w-50 {
        width: 100%;
    }
    .validate-input-at.w-50:first-child {
        margin-right: 0;
    }
    .alert-validate::before {
        visibility: visible;
        opacity: 1;
    }
}