/* ================= CSS Default ================= */ 
@font-face {
    font-family: "Roboto-Regular";
    src: url('Roboto-Regular.ttf') format('truetype');
}

@font-face {
    font-family: "Roboto-Bold";
    src: url('Roboto-Bold.ttf') format('truetype');
}

@font-face {
    font-family: "Roboto-Italic";
    src: url('Roboto-Italic.ttf') format('truetype');
}

@font-face {
    font-family: "Roboto-Light";
    src: url('Roboto-Light.ttf') format('truetype');
}

:root{
    --light     : #f5f5f5;
    --text      : #181818;
    --title     : #1B2C62;;
    --border    : #c8c9cb;
    --shadow    : 0px 4px 12px #DBDBDB;
    
    --blue      : #1893D0;
    --blueDark  : #1B2C62;
    --blueBg    : #F2FAFE;
    --white     : #ffffff;
    --black     : #000000;
    --green     : #29C663;
    --gray      : #B6B6B6;
    
    --font-fallback : Roboto, Arial, -apple-system, BlinkMacSystemFont,
                        "Segoe UI", "Helvetica Neue", "Noto Sans", sans-serif,
                        "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";

    --font    : "Roboto-Regular", var(--font-fallback);
    --font_b  : "Roboto-Bold", var(--font-fallback);
    --font_i  : "Roboto-Italic", var(--font-fallback);
    --font_l  : "Roboto-Light", var(--font-fallback);
}

html{scroll-behavior:smooth;}
*{margin:0;padding:0;}
li{list-style-type:none;}
a, img{transition: all 0.3s ease;}
a:focus{outline:none;}
a, a:hover, a:active, a:link, a:visited{text-decoration:none;}
.padding0{padding:0;}
h1,h2,h3,h4,h5,h6{
    margin:0;
    font-weight:normal;
    line-height:1.25;
    font-family:var(--font_b);
}

b, strong{
    font-family:var(--font_b);
    font-weight:normal;
}

body{
    font-family: var(--font);
    font-size:16px;
    color:var(--text);
}

.font-b{
    font-family:var(--font_b);
}

p{
    line-height:1.8;
    margin-bottom:0;
}

.space_section{
	padding:80px 0;
}

.btn{
    border-radius:50px;
    color:var(--white);
    font-size:30px;
    font-family:var(--font_b);
    padding:10px 20px;
}

.btn-blue{
    background:var(--blueDark);
}

.btn-blue:hover{
    background:var(--blue);
}

.onlyMobile, .onlyPC{
    display:none;
}

/* ================= HEADER ================= */
header{
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    padding-left: 15px;
    padding-right: 15px;
    transition: all 0.3s ease;
}

header.sticky{
    box-shadow: 0px 4px 20px rgba(0,0,0,0.1);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.navbar-brand{
    padding:0;
}

.navbar-brand img{
    width:56px;
}

#menu .nav-item .nav-link{
    color:var(--title);
    font-family:var(--font_b);
    font-size:24px;
    padding-left:30px;
}

.lang{
    margin-left:30px;
}

.lang button{
    color:var(--gray);
    text-transform:uppercase;
    font-size:24px;
    border:none;
    background:none;
    border-right:1px solid var(--border);
    padding-right:10px;
    margin-right:10px;
}

.lang button:last-child{
    border-right:none;
    padding-right:0;
    margin-right:0;
}

.lang .active{
    font-family:var(--font_b);
}

#menu .active .nav-link{
    color:var(--blue) !important;
}

/* ================= MAIN ================= */
#highlight-top{
    padding:100px 0;
}

#highlight-top h1{
    font-size:48px;
    font-family:var(--font_b);
    color:var(--title);
    line-height:1.2;
}

#highlight-top p{
    margin-top:20px;
    font-size:31px;
    line-height:1.5;
}

.btn-link{
    display: block;
    border-radius:50%;
    background:var(--blueBg);
    width:75px;
    height:75px;
    padding:28px 15px;
    margin:0 auto;
}

.btn-link img{
    width:42px;
}

.title-section{
    font-size:40px;
    font-family:var(--font_b);
    color:var(--title);
    line-height:1.2;
    margin-bottom:25px;
}

.desc{
    font-size:27px;
    line-height:1.5;
}

#leadership article{
    padding-right:30px;
}

#leadership blockquote{
    padding-left:20px;
    border-left:10px solid var(--blue);
    color:var(--blue);
    font-size:28px;
    font-family:var(--font_b);
    line-height:1.4;
    margin-bottom:25px;
}

#leadership blockquote cite{
    font-size:23px;
    margin-top:10px;
    line-height:1.4;
    font-style:italic;
    color:var(--text);
    display: block;
    font-family:var(--font);
}

#leadership .desc{
    font-size:22px;
}

.list-guide{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 40px 0 0 0;
}

.flip-card{
    background-color: transparent;
    perspective: 1000px;
    height: 425px;
}

.flip-card-inner{
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner{
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back{
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.flip-card-front{
    background-color: var(--blueBg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.flip-card-front span{
    display: block;
    margin-top:20px;
}

.flip-card-back{
    background-color: var(--white);
    transform: rotateY(180deg);
    display: block;
    padding: 40px 25px;
}

.flip-card-back h5{
    font-size:25px;
}

.flip-card-back p{
    font-size: 18px;
    line-height: 1.6;
    margin:10px 0 0;
    font-family: var(--font);
}

.list-guide li img{
    width: 200px;
    height: 200px;
    margin-bottom: 15px;
}

.list-guide li span{
    display: block;
    font-family: var(--font_b);
    font-size: 24px;
    color: var(--text);
    line-height: 1.3;
    text-align: left;
}

.item-li{
    margin-bottom:20px;
    border:1px solid var(--border);
    padding:20px;
}

.item-li img{
    background:var(--green);
    border-radius:50%;
    width:85px;
    height:85px;
}

.item-li h6{
    margin:10px 0;
    font-size:26px;
}

.item-li p{
    font-size:20px;
}

#core-capabilities{
    padding-top:80px;
}

.circle-core{
    position: relative;
    width: 100%;
    min-height: 600px; /* Điều chỉnh theo kích thước hình ảnh thực tế */
}

#center-core{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 450px;
    text-align: center;
    font-family: var(--font_b);
    font-size:40px;
    z-index: 1;
    line-height: 1.3;
}

.circle-main{
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
    width: 100%;
    max-width: 650px;
    height: auto;
}

.abs-item a{
    display: flex;
    align-items:center;
}

.abs-item img{
    width:100px;
    height:100px;
    padding:10px;
    border-radius:50%;
    background:var(--green);
}

.abs-item span{
    display: inline-block;
    width:240px;
    color:var(--text);
    font-size:21px;
    font-family:var(--font_b);
    line-height:1.3;
    text-align:left;
    margin-left:15px;
}

#abs-1 span, #abs-4 span{
    text-align:right;
    margin-right:15px;
    margin-left:0;
}

.abs-item p{
    display: none;
    position: absolute;
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 20px;
    width: 280px;
    font-size: 18px;
    line-height: 1.5;
    color: var(--text);
    z-index: 10;
    margin-top: 10px;
    transition: all 0.3s ease;
}

.abs-item:hover p{
    display: block;
    background:var(--blueBg);
}

/* Vị trí của thẻ p cho từng abs-item */
#abs-1 p{
    top: 100%;
    left: 0;
    margin-top: 15px;
}

#abs-2 p{
    top: 100%;
    right: 0;
    margin-top: 15px;
}

#abs-3 p{
    bottom: 100%;
    right: 0;
    margin-bottom: 15px;
}

#abs-4 p{
    bottom: 100%;
    left: 0;
    margin-bottom: 15px;
}


#abs-1, #abs-2, #abs-3, #abs-4{
    position: absolute;
}

#abs-1{
	top: -20px;
    left: 135px;
}

#abs-2{
	top: 100px;
    right: 32px;
}

#abs-3{
	bottom: 25px;
    right: 90px;
}

#abs-4{
	bottom: 100px;
    left: 36px;
}

#core-activities article{
    width:100%;
    margin-bottom:30px;
    padding:40px 30px;
    box-shadow: var(--shadow);
}

#core-activities h4{
    font-size:24px;
    margin-bottom:20px;
}

#core-activities ul li{
    list-style: disc;
    font-size:22px;
}

.border-blue{
    border-top:20px solid var(--blue);
}

.border-green{
    border-top:20px solid var(--green);
}

.group-select{
    display:flex;
    justify-content:flex-end;
}

.group-select .form-select{
    background-color:var(--blueBg);
    border-radius:50px;
    padding:10px 20px;
    border:0;
    width:300px;
    font-size:18px;
}

.hr-border{
    margin:15px 0 30px;
    border-top:2px solid var(--border);
}

.list-article article{
    width:100%;
    background:var(--light);
    padding:30px 20px;
    box-shadow: var(--shadow);
    margin-bottom:20px;
    min-height:200px;
    position: relative;
}

.list-article article h3{
    font-size:25px;
}

.list-article article p{
    font-size:20px;
    line-height:1.5;
    margin:10px 0 20px;;
}

.list-article article h6{
    color:#929292;
    font-family:var(--font);
    text-transform: uppercase;
    font-size:19px;
    margin-bottom:0;
    position: absolute;
    bottom: 20px;
    left: 20px;
}

#strategic{
    padding-bottom:80px;
}

#partner{
    background:var(--blueBg);
    padding:80px 0;
}

#partner .desc{
    font-size:19px;
    line-height:1.6;
}

#partner ul li{
    list-style: disc;
    font-size:19px;
    margin-bottom:5px;
}

#partner ul{
    margin:15px 0;
}

#contact-form{
    background:var(--light);
    box-shadow: var(--shadow);
    padding:30px 25px;
}

#contact-form h2{
    margin-bottom:20px;
}

#contact-form .form-control{
   font-size:18px;
   color:var(--text);
   padding:10px 15px;
   margin-bottom:15px;
   background:none;
   border-radius:0;
   border:0;
   border-bottom:1px solid var(--border);
}

#contact-form .form-control:focus{
    box-shadow:none;
    outline:none;
    border-bottom:1px solid var(--blue);
}

textarea.form-control{
   resize:none;
}

.form-select{
    font-size:18px;
    padding:10px 15px;
    background-color:var(--light);
    border:0;
    border-radius:0;
    border-bottom:1px solid var(--border);
}

.btn-action{ 
    border:0;
    background:var(--blueDark);
    color:var(--white);
    border-radius:50px;
    padding:10px 20px;
    font-family:var(--font_b);
    font-size:20px;
    width:180px;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-action:hover{
    background:var(--blue);
}

.title-page{
    padding:40px 0 0;
}

.title-page h2{
    color:var(--blueDark);
    font-size:42px;
}

#contact-page #contact-form{
    background:var(--white);
    box-shadow:none;
}

#contact-form .form-select{
    background-color:var(--white);
}

.contact-info{
    background:var(--blueBg);
    padding:40px 30px;
    width:100%;
}

.contact-info h6{
    font-size:24px;
    text-transform: uppercase;
}

.contact-info address{
    font-size:21px;
    line-height:1.6;
    margin-top:20px;
}

.snap {
	position: relative;
	overflow: hidden;
	width: 100%;
	margin-bottom:0 !important;
	transition: all 0.3s ease;
}

.snap:hover{
	opacity: 0.7;
}

.snap * {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	-webkit-transition: all 0.6s ease;
	transition: all 0.6s ease;
}

.snap img {
	opacity: 1;
	border-radius:8px;
	width: 100%;
	-webkit-transition: opacity 0.35s;
	transition: opacity 0.35s; 
}


.snap:after {
	background: var(--white);
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	bottom: 0;
	content: '';
	opacity: 0.15;
	-webkit-transform: skew(-45deg) scaleX(0);
	transform: skew(-45deg) scaleX(0);
	-webkit-transition: all 0.3s ease-in-out;
	transition: all 0.3s ease-in-out;
}

.snap figcaption {
	position: absolute;
	top: 50%;
	left: 0;
	width: 100%;
	-webkit-transform: translateY(-50%);
	transform: translateY(-50%);
	z-index: 1;
}

.snap p {
	font-size: 14px;
	text-align: center;
	background: var(--blue);
	width:130px;
	border-radius:4px;
	display: block;
	margin: 0 auto;
	color: var(--white);
	padding: 5px 10px;
	opacity: 0;
}

.snap a {
	left: 0;
	right: 0;
	top: 0;
	text-align: center;
	bottom: 0;
	position: absolute;
	z-index: 1;
}

.list-group {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	margin-top: 30px;
	width: 100% ;
}

.item-group {
	background: var(--white);
	border-radius: 10px;
	overflow: hidden;
	transition: all 0.3s ease;
	width: 100%;
	max-width: none;
	display: block;
	padding:10px;
}

.item-group:hover{
	background:#f0f0f0;
}

.item-group .content{
	padding: 25px;
}

.item-group .title {
	font-family: var(--font_b);
	font-size: 20px;
	color: var(--title);
	margin-bottom: 15px;
	line-height: 1.4;
}

.item-group .excerpt{
	font-size:18px;
}

.item-group .h5 a {
	color: var(--title);
	transition: color 0.3s ease;
}

.item-group h5 a:hover {
	color: var(--blue);
}

.item-group time {
	color: var(--text);
	font-size: 14px;
	margin-bottom: 15px;
	display: block;
}

.item-group time i {
	margin-right: 8px;
}

.item-group p {
	font-size: 16px;
	line-height: 1.6;
	margin-bottom: 20px;
	color: var(--text);
}

.item-group .text-a a {
	background: var(--blue);
	color: var(--white);
	padding: 10px 20px;
	border-radius: 5px;
	font-size: 16px;
	font-family: var(--font_b);
	transition: all 0.3s ease;
}

.item-group .text-a a:hover {
	background: var(--blue);
	transform: translateX(5px);
}

.category-group .group-title{
	position: relative;
}


.abs-link{
	position: absolute;
	top:20px;
	right:0;
}

.abs-link a{
	display: block;
	border:1px solid var(--blue);
	padding:7px 20px;
	border-radius:5px;
	font-size:16px;
	font-family: var(--font_b);
	color:var(--blue);
	transition: all 0.3s ease;
}

.abs-link a:hover{
	background: var(--blue);
	color:var(--white);
}

.group-title h2{
	font-family: var(--font_b);
	font-size:40px;
	color:var(--blue);
}

.group-title p{
	font-size:20px;
}

.content-body h5 a{
	display: block;
	font-family: var(--font_b);
	color:var(--title);
	font-size:22px;
	margin-top:15px;
	line-height:1.4;
}

.content-body time{
	font-size:15px;
	color:gray;
	display:block;
	margin:7px 0;
}

.content-body time img{
	width:18px;
	height:18px;
	position:relative;
	top:-2px;
}

#detail-content-main{
	border-top:1px solid #d0d0d0;
}

.detail-content h6{
	font-size:19px;
}

.detail-content img{
	max-width:100%;
	height:auto;
}

.detail-content a{
	color:var(--blue);
	text-decoration:underline;
}

.detail-content .fanpages img{
	width:32px;
	height:32px;
}

.detail-content time{
	display: block;
	margin:7px 0;
	font-size:18px;
	color:gray;
	font-family: var(--font_b);
	border-bottom:1px solid #d0d0d0;
	margin-bottom:20px;
	padding-bottom:20px;
}

.desc-post h6{
	font-family: var(--font_b);
	color:var(--title);
	font-size:21px;
	margin-bottom:10px;
}

.desc-post p{
	font-size:18px;
	line-height:1.7;
	color:var(--text);
}

.form-search-post{
	position:relative;
	margin-bottom:30px;
}

.form-search-post .form-control{
	border:0;
	border-radius:0;
	border-bottom:1px solid #d0d0d0;
	font-family: var(--font_b);
	font-size:18px;
	padding:10px 45px 10px 10px;
	outline:none;
}

.form-search-post .form-control:placeholder{
	color:var(--text);
	font-family: var(--font_l);
}

.form-search-post .form-control:focus{
	box-shadow:none;
	border-bottom:1px solid var(--blue);
}

.form-search-post .btn-search{
	outline:none;
	background:none;
	border:0;
	position:absolute;
	right: 15px;
	top: 10px;
}

.form-search-post .btn-search img{
	width:24px;
	height:24px;
}

.avatar-post{
	margin:30px 0;
}

.avatar-post img{
	max-width:100%;
}

.excerpt-post, .excerpt-post p{
	font-family: var(--font_b);
	font-size:18px;
	margin-bottom:20px;
}

.desc-post img{
	max-width:100%;
}

.desc-post a{
	color:var(--blue);
	text-decoration:underline;
}

.list-aside-post{
	margin-top:50px;
}

.list-aside-post h3{
	color:var(--title);
	font-size:32px;
	margin-bottom:20px;
}

.item-asise-post {
	margin-bottom:30px;
}

.item-asise-post img{
	max-width:100%;
	display: block;
	border-radius:8px;
}

.item-asise-post time{
	font-size:16px;
	color:gray;
	display:block;
	margin:10px 0 5px;
}

.item-asise-post h6 a{
	color:var(--title);
	font-family: var(--font_b);
	font-size:20px;
	margin-bottom:10px;
	display:block;
	line-height:1.4;
}

.item-asise-post h6 a:hover{
	color:var(--blue);
}


.search {
	margin-bottom: 25px;
	position:relative;
}

.search .form-control {
	background: var(--white);
	color: var(--title);
	border: 1px solid var(--border);
	padding: 15px 45px 15px 20px;
	font-size: 15px;
	outline: 0;
}

.search button{
	position: absolute;
	top: 5px;
	right: 5px;
	padding: 8px 16px 9px;
	border: 0;
	border-radius: 4px;
	background: var(--white);
}

.search button img{
	width:26px;
	height:26px;
	margin-right:0 !important;
}

.search .form-control:focus{
	border: 1px solid var(--blue);
	box-shadow: none;
}

.aside-item h3{
	margin-bottom:20px;
	font-size:32px;
	color:var(--title);
	font-family:var(--font_b);
}

.aside-item article{
	margin-bottom:30px;
}

.aside-item article img{
	border-radius:8px;
	display:block;
	max-width:100%;
	height:auto;
}

.aside-item article img:hover{
	opacity:0.8;
}

.aside-item article h5 a{
	padding-top:10px;
	display: block;
	font-family: var(--font_b);
	color:var(--title);
	font-size:18px;
	line-height:1.4;
}

.aside-item article h5 a:hover{
	color:var(--blue);
}

.aside-item article time{
	color:gray;
	display: block;
}

.share-fanpage{
	margin-top:30px;
	display: flex;
	align-items: center;
}

.box-twitter{
	position:relative;
	top:4px;
	margin:0 8px;
}

.infor-response{
	background-color: #e0f5ff;
	padding:25px 30px;
	border-radius:8px;
	margin-bottom:30px;
}


.item-article-column {
    border-bottom: 1px solid var(--border);
    padding-bottom: 25px;
    margin-bottom: 25px;
}

.item-article-column:last-child {
    border-bottom: 0;
    padding-bottom: 0;
    margin-bottom: 0;
}

.item-article-column h5 a {
    color: var(--title);
    font-size: 15px;
    display: block;
    font-family: var(--font_b);
    line-height: 1.3;
    min-height: 58px;
}

.item-article-column h5 a:hover {
    color: var(--blue);
}

.item-article-column time {
    color: var(--gray);
    display: block;
}

.item-article-column .excerpt,
.item-article-column .excerpt p {
    font-size:18px;
}

.item-article-column img {
    float: left;
    display: block;
    margin-right: 10px;
    width: 100px;
    border-radius: 5px;
}

.item-article-column img:hover {
    opacity: 0.8;
}

.item-article-column h5 {
    margin-left: 120px;
}

.box-avatar img {
    width: 240px;
    margin-right: 0;
}

.box-avatar {
	float: left;
    margin-right: 20px;
    position: relative;
    overflow: hidden;
    border-radius: 7px;
}

.box-avatar span {
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--blue);
    color: var(--white);
    font-family: var(--font_b);
    padding: 5px 15px;
    font-size: 13px;
    border-top-right-radius: 7px;
}

.box-content {
	float:right;
    width: calc(100% - 260px);
}

.box-content h4 a {
	font-family:var(--font_b);
    color: var(--title);
    font-size: 18px;
    display: block;
    margin-bottom: 7px;
	letter-spacing: -0.4px;
  	line-height: 1.4;
}

.box-content .excerpt,
.box-content .excerpt p {
    line-height: 1.65;
}

.box-content time img {
    top: 2px;
}

.box-content time {
    margin-bottom: 5px;
}

.box-content .infor-time {
    border: 0;
    padding: 0;
    margin: 0;
    margin-bottom: 5px;
}

.box-content .infor-time img {
    width: 16px;
    height: 16px;
    float: none;
    display: inline;
    border-radius: 0;
	margin-right: 4px;
	margin-top: -4px;
}

.infor-time span{
	font-size:15px;
	color:gray;
}

.lang{
    margin-left:30px;
}

.lang button, .lang .lang-link{
    color:var(--gray);
    font-family: var(--font_l);
    text-transform:uppercase;
    font-size:24px;
    border:none;
    background:none;
    border-right:1px solid var(--border);
    padding-right:14px;
    margin-right:14px;
}

.lang .nav-item:last-child .lang-link{
    border-right:none;
    padding-right:0;
    margin-right:0;
}

.lang .active{
    font-family:var(--font_b);
    color:var(--blue) !important;
}



















/* ================= FOOTER ================= */
footer{
    padding:40px 0;
    position:relative;
    text-align:center;
}

.footer-logo img{
    width:95px;
}

footer .container{
    position:relative;
}

.copyright{
    color:var(--title);
    font-size:19px;
}

.follow-us{
    display: flex;
    background:var(--black);
    color:var(--white);
    padding:10px;
    border-radius:10px;
    font-size:16px;
    align-items:center;
    width:135px;
    position:absolute;
    bottom:0;
    right:0;
}

.follow-us img{
    margin-right:10px;
}

.follow-us:hover{
    background:var(--blue);
    color:var(--white);
}

#btn-click{
	position:fixed;
	bottom:20px;
	right:20px;
	z-index:1000;
	cursor:pointer;
	background:var(--blueDark);
	border:0;
	border-radius:5px;
	width:60px;
	height:60px;
	display:flex;
	align-items:center;
	justify-content:center;
	box-shadow:0 4px 12px rgba(0,0,0,0.2);
	transition:all 0.3s ease-in-out;
}

#btn-click:hover{
	background:var(--blue);
	border-color:var(--blue);
	transform:translateY(-3px);
	box-shadow:0 6px 20px rgba(0,0,0,0.2);
}

#btn-click img{
	width:20px;
	height:20px;
	transform:rotate(-90deg);
	transition:all 0.3s ease-in-out;
}

/* ================= Few Option ================= */