/* ------------------------------------------------- Import files ------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@100;200;300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@200;300;400;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@200;300;400;500;600;700;800;900&display=swap');

:root {
    --color-1: #fff;
    --color-2: #000;
    --color-3: #005D94;
    --color-4: rgb(207, 207, 207);
    --color-5: #2c2c2c;
    --color-6: #f1f1f1;
    --primary-color: #FFA500;
    --secondary-color: #1A4093;
    --tertiary-color: #616E76;
}

/* ------------------------------------------------- elements style ------------------------------------------------------- */

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

body {
    font-family: 'Nunito', 'Nunito Sans', 'Montserrat';
}

section {
    padding: 7rem 0;
    width: 100%;
}

h1 {
    font-size: calc(1.375rem + 1.5vw);
    margin: 0;
}

h2 {
    font-size: 2rem;
    margin: 0;
}

h3 {
    font-size: 26px;
    margin: 0;
}

p {
    font-size: 1.2rem;
    font-weight: 300;
    margin: 0;
}

a {
    font-size: 1.1rem;
    color: #fff;
    text-decoration: none;
    margin: 0;
}

a:hover {
    color: #fff;
}

li {
    display: list-item;
    list-style: none;
}



/* ------------------------------------------------- common class ------------------------------------------------------- */

.custom-container {
    width: 90%;
    margin: auto;
}

.blue-section{
    background-color: var(--secondary-color);
    color: #fff;
    border: #fff;
}

.header-para{
    max-width: 700px;
}

.read-more-link1{
    width: 100%;
    text-align: right;
}

.read-more-link1 a{
    position: relative;
    color: #000;
    font-size: 0.9rem;
}

.read-more-link1 a::after{
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    height: 2px;
    width: 0;
    background-color: #000;
    transition: all 0.3s ease;
}

.read-more-link1 a:hover:after{
    width: 100%;
}

.read-more-link2{
    width: 100%;
    text-align: right;
}

.read-more-link2 a{
    position: relative;
    color: #fff;
    font-size: 0.9rem;
}

.read-more-link2 a::after{
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    height: 2px;
    width: 0;
    background-color: #fff;
    transition: all 0.3s ease;
}

.read-more-link2 a:hover:after{
    width: 100%;
}

.gallery-frame-flexhold{
    display: flex;
    flex-direction: column;
    align-content: center;
    align-items: center;
}

.gallery-frame-flex{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: center;
    align-items: center;
    justify-content: flex-start;
    gap: 3vw;
}

.gallery-frame-flex-collab{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: center;
    align-items: center;
    justify-content: flex-start;
    gap: 3vw;
    white-space: nowrap;  /* Added for proper text alignment below image */
}

.gallery-frame-container{
    width: 15.4vw;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
}

.gallery-frame{
    position: relative;
    width: 200px;
    aspect-ratio: 38/47;
    overflow: hidden;
    border-radius: 16px;
}

.gallery-frame img{
    position: absolute;
    top: 0;
    right: 0;
    z-index: 2;
    width: 90%;
    border-radius: 16px;
    /* filter: grayscale(1); */
    transition: all 0.3s ease;
    object-fit: cover;
    aspect-ratio: 38/47;
}

.gallery-text-reveal{
    position: absolute;
    z-index: 1;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background-color: #000;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.5s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
    font-size: 0.9rem;
    color: #000;
    padding: 10px;
}

.gallery-text-reveal p{
    font-size: 1rem;
}

.gallery-frame:hover > img{
    z-index: 1;
    width: 100%;
    filter: grayscale(1);
}

.gallery-frame:hover > .gallery-text-reveal{
    height: 100%;
    background-color: #000a;
    z-index: 2;
    color: #fff;
}


/* Tabs and Navs */

.naccs {
    position: relative;
    width: 100%;
}

.grid {
    list-style: none;
}

.bck-sec {
    background: url(../images/white_triangle.png) no-repeat;
    background-size: 650px;
    background-position: right;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.gc--1-of-3 {
    width: 200px;
}

.gc {
    box-sizing: border-box;
    display: inline-block;
    /* margin-right: -0.25em; */
    min-height: 1px;
    /* padding-left: 40px; */
    vertical-align: top;
}

.naccs .menuu div {
    padding: 15px 20px 15px 40px;
    margin-bottom: 10px;
    color: #000;
    background: #fff;
    box-shadow: 0 0 20px rgb(0 0 0 / 10%);
    cursor: pointer;
    position: relative;
    vertical-align: middle;
    font-weight: 500;
    transition: 1s all cubic-bezier(0.075, 0.82, 0.165, 1);
    /* border-bottom: 0.5px solid #fff; */
}

.naccs .menuu div span.light {
    position: absolute;
    border-radius: 100%;
    transition: 1s all cubic-bezier(0.075, 0.82, 0.165, 1);
}

.gc--2-of-3 {
    width: calc(95% - 200px);
}

.gc {
    box-sizing: border-box;
    display: inline-block;
    /* margin-right: -0.25em; */
    min-height: 1px;
    /* padding-left: 40px; */
    vertical-align: top;
}

ul.nacc {
    position: relative;
    height: auto!important;
    list-style: none;
    margin: 0;
    padding: 0;
    transition: 0.5s all cubic-bezier(0.075, 0.82, 0.165, 1);
}

ul.nacc li {
    opacity: 0;
    transform: translateX(50px);
    position: absolute;
    list-style: none;
    transition: 1s all cubic-bezier(0.075, 0.82, 0.165, 1);
    font-size: 1.2rem;
    font-weight: 300;
}

ul.nacc li p {
    margin: 0;
}

.lines-bb p {
    padding: 1rem;
    border-bottom: 1px solid #cfc6c6;
    word-spacing: 3px;
    word-break: break-word;
    padding-right: 3rem;
    line-height: 1.5;
    color: var(--color-2);
}



.naccs .menuu div.active {
    color: #000;
    /* padding: 15px 20px 15px 20px; */
}


.naccs .menuu div.active span.light {
    background-color: var(--secondary-color);
    left: 0;
    height: 100%;
    width: 5px;
    top: 0;
    border-radius: 0;
}

.naccs .menuu div span.light {
    position: absolute;
    border-radius: 100%;
    transition: 1s all cubic-bezier(0.075, 0.82, 0.165, 1);
}


ul.nacc li.active {
    transition-delay: 0.3s;
    z-index: 2;
    opacity: 1;
    transform: translateX(0px);
    position: relative;
}

/* accordian */

.accordion{
    max-width: 1000px;
}

.accordion-item{
    background-color: unset;
}

.accordion-button:focus{
    box-shadow: none;
}

.accordion-button:not(.collapsed){
    color: unset;
    background-color: unset;
}

.accordion-flush .accordion-item .accordion-button{
    border-bottom: 1px solid;
    
}

.accordion-body{
    font-size: 1.1rem;
}

.accordion-button{
    padding: 2rem;
    font-size: 1.3rem;
    background-color: unset;
}

.research-area .accordion-item{
    background-color: unset;
}

.research-area .accordion-item.collapsed{
    background-color: unset;
}

.accordion-button{
    background-color: unset;
}

.accordion-body{
    padding: 2rem;
}

.accordion-body ul{
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* show more */

.custom-items-list{
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.5s ease;
    padding: 0;
}

.custom-items-list li{
    border-bottom: 1px solid;
    padding: 1.2rem;
    font-size: 1.1rem;
}

.custom-items-list.show-more-height{
    height: 40vw;
    transition: all 0.5s ease;
}

.custom-items-list1{
    height: 100%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.5s ease;
    padding: 0;
}

.custom-items-list1 li{
    border-bottom: 1px solid;
    padding: 1.2rem;
    font-size: 1.1rem;
}

.custom-items-list1.show-more-height1{
    height: 40vw;
    transition: all 0.5s ease;
}







/* ------------------------------------------------- common sections ------------------------------------------------------- */

/* header navbar */










.header-nav-btn-hover {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    /*padding: 43px 0;*/
}

.header-nav-btn-hover a {
    color: #fff;
    transition: all 0.4s ease;
}

.header-nav-btn-hover a:not([href]):not([class]), a:not([href]):not([class]):hover{
    color: #fff;
}

.header-nav-btn-whover{
    /*padding: 43px 0;*/
}

.header-nav-btn-hover .bx-chevron-down {
    color: #fff;
    font-size: 1.7rem;
    line-height: 0.7;
    transform: rotate(0deg);
    transition: all 0.4s ease;
}

.header-nav-btn-hover:hover>.header-navsub {
    pointer-events: unset;
    filter: opacity(1);
}

.header-nav-btn-hover:hover>.bx-chevron-down {
    transform: rotate(180deg);
}

.header-navsub {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    background-color: #262626;
    left: 0%;
    /*transform: translateX(-50%);*/
    pointer-events: none;
    filter: opacity(0);
    transition: all 0.4s ease;
    align-items: stretch;
}

.header-navsub a {
    position: relative;
    padding: 1rem 2rem;
    z-index: 3;
}

.header-navsub a::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 0;
    height: 100%;
    background-color: var(--secondary-color);
    transition: all 0.5s ease;
    z-index: -1;
}

.header-navsub a:hover::after {
    width: 100%;
}













.navbar {
    background: linear-gradient(to right, var(--color-1) 400px, var(--secondary-color), var(--secondary-color));
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 7;
}

.navbar-flex {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: stretch;
}

.adopt-logo{
    width: 374px;
}

.adopt-logo img{
    width: 100%;
}

.header_text {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    justify-content: flex-end;
    align-items: center;
}

.hamburger-menu {
    width: 35px;
    height: 30px;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    z-index: 3;
}

.header-nav-menu {
    display: flex;
    flex-direction: row;
    gap: 2rem;
    align-items: center;
}

.line {
    width: 100%;
    height: 3px;
    background: var(--color-1);
    transition: all 0.3s;
}

.change .line-1 {
    transform: translateY(5px) rotateZ(0deg);
}

.change .line-2 {
    animation: .3s hamburgerAnime calc(1) linear;
    transform: rotateZ(410deg);
    background: var(--primary-color);
}

.change .line-3 {
    transform: translateY(-5px) rotateZ(0deg);
}

.navbar-outer.slide {
    width: 100%;
}

.navbar-outer {
    width: 0%;
    background: #00000088;
    height: 100vh;
    position: absolute;
    top: 0;
    right: 0;
    z-index: -3;
    transition: all .6s;
}

.otherbanner {
    position: absolute;
    height: 100vh;
    width: 100%;
    background-size: 100%;
    background-repeat: no-repeat;
    right: 0%;
    top: 0;
    z-index: -4;
    transition: all .3s;
    display: none;
}

.otherbanner.slide {
    right: 0%;
    display: block;
    opacity: .7;
}

.nav-list {
    width: 300px;
    height: 100vh;
    background-color: #262626;
    position: fixed;
    top: 0;
    right: -100%;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
    padding-top: 9rem;
    padding-left: 0;
    list-style: none;
    animation: 1s navbar calc(2);
    transition: all .5s;
    z-index: 1;
}

.nav-list.slide {
    right: 0;
}

.nav-list .nav-item .nav-link {
    color: var(--color-1);
    position: relative;
    font-size: 1.2rem;
    padding: 1rem;
    z-index: 2;
    transition: all 0.5s;
    text-transform: uppercase;
}

.nav-list .nav-item .nav-link::after {
    content: '';
    position: absolute;
    height: 100%;
    width: 0%;
    right: 0;
    top: 0;
    transition: all 0.6s;
}

.nav-list .nav-item .nav-link:hover::after {
    width: 100%;
    z-index: -1;
    background: linear-gradient(to right, #1B418C, #184A8C);
}


/* footer */

footer{
    background-color: var(--secondary-color);
}

footer section{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    color: var(--color-1);
}

footer p{
    font-size: 1.1rem;
}

footer img{
    width: 34px;
}



/* -------------------------------------------------common section in sections------------------------------------------------------- */

/* common team section */

.currentteam .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.currentteam.blue-section{
    background-image: url(../images/logo_shape22.svg);
    background-repeat: no-repeat;
    background-position: right center;
    background-size: 40%;
}

.parttimeteam.blue-section{
    background-image: url(../images/logo_shape22.svg);
    background-repeat: no-repeat;
    background-position: right center;
    background-size: 40%;
    padding-top: 0rem;
}

.parttimeteam .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
    background-image: url(../images/logo_shape11.svg);
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 40%;
}

.formerteam .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
    background-image: url(../images/logo_shape11.svg);
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 40%;
}


/* collaborators */

.collabrators .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.collabrators-academic{
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.collabrators-academic h3{
    margin-bottom: 3rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid #000;
}

.collabrators-industrial{
    display: flex;
    flex-direction: column;
    gap: 3rem;
    background-image: url(../images/logo_shape22.svg);
    background-repeat: no-repeat;
    background-position: right top;
    background-size: 60%;
}

<.collabrators-industrial h3{
    margin-bottom: 3rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid #000;
}

.collabrators-industrial .gallery-frame-flexhold{
    width: 100%;
    margin: auto;
}

.collabrators-industrial img{
    width: 100%;
    padding: 20px;
}

.collabrators-industrial .gallery-frame-container{
    position: relative;
}

.collabrators-industrial .gallery-frame-container::after{
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    background-color: var(--color-3);
    height: 100%;
    z-index: -1;
    transition: all 0.5s ease;
}

.collabrators-industrial .gallery-frame-container:hover:after{
    width: 100%;
}


/* page introduction */

.introduction .custom-container{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

/* .introduction-lft{ */
    /* width: 100%; */
    /* text-align: justify; */
/* } */

.introduction-lft h1{
    margin-bottom: 2rem;
}

.introduction-lft p{
    margin-bottom: 1rem;
}

.introduction-img{
    max-width: 800px;
}

/* gallery */

/* .gallery .gallery-frame-flexhold{ */
    /* width: 80%; */
    /* margin: 10px; */
    /* display: flex; */
    /* flex-direction: column; */
    /* align-content: left; */
    /* align-items: center; */
/* } */

/* .gallery .gallery-frame-container{
    width: 100vw;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: left;
    margin-left: 10pt;
} */

/* .gallery-frame{
    position: relative;
    width: 200px;
    aspect-ratio: 38/47;
    overflow: hidden;
    border-radius: 16px;
} */

.gallery .custom-container1{
    display: flex;
    flex-direction: column;
    /* gap: 3rem; */   /* */
}

.gallery .custom-container1 h1{ 
    margin-left: 30pt;
}

.gallery .gallery-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
}

.gallery-frame1{
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 12px;
    background-color: #fff;
    background-size: cover;
    background-position: center;
}

.gallery-frame1::before{
    content: "";
    position: absolute;
    inset: 0;
    background-image: inherit;
    background-size: cover;
    background-position: center;
    filter: blur(18px) brightness(0.7);
    transform: scale(1.15);
    z-index: 0;
}

.gallery-frame1 img{
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: 0.4s transform;
}

.gallery-frame1:hover img{
    transform: scale(1.03);
}

.gallery-text-reveal1{
    position: absolute;
    z-index: 2;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #0000006b;
    color: #fff;
    text-align: center;
    padding: 10px 14px;
    opacity: 0;
    transition: 0.3s opacity ease;
}

.gallery-frame1:hover > .gallery-text-reveal1{
    opacity: 1;
}

.gallery-text-reveal1 p{
    font-size: 0.95rem;
}

@media (max-width: 768px){
    .gallery .gallery-grid{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px){
    .gallery .gallery-grid{
        grid-template-columns: 1fr;
    }
}

/* sponsored */

.sponsored.blue-section{
    background-image: url(../images/logo_shape11.svg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 30%;
}

.sponsored .custom-container{
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.sponsored-list{
    display: flex;
    flex-direction: column;
    padding: 0;
    width: 100%;
}

.sponsored-list li{
    padding: 1.5rem;
    font-size: 1.1rem;
    border-bottom: 1px solid;
}

/* consultancy */

.consultancy .custom-container{
    display: flex;
    flex-direction: column;
    gap: 3rem;
    background-image: url(../images/logo_shape22.svg);
    background-repeat: no-repeat;
    background-position: 20% 20%;
    background-size: 30%;
}







/* -------------------------------------------------home page------------------------------------------------------- */

/* carousel */

.carousel-caption{
    background-color: #FAA61A;
    position: absolute;
    bottom: 0;
    left: 0;
    padding-top: -0.1rem;
    padding-bottom: 0.2rem;
    color: #fff;
    text-align: center;
    width: 100%;
}

.carousel-indicators{
    margin-bottom: -0.5rem;
}

.carousel-item img{ 
height: 400px !important;
    width: 70% !important;
    object-fit: contain !important;
    
}



/* research area */

.home-research{
    padding-top: 2rem;
}

.home-research .custom-container{
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.home-research h1{
    margin-bottom: -0.5rem;
}

.home-research-container{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.home-research-content{
    width: 48%;
}

.home-research-content p{
    font-size: 1.3rem;
    padding: 1.5rem;
    border-bottom: 2px solid #000;
}

/* courses */

.home-courses{
    background-color: var(--color-6);
}

.home-courses .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.home-courses h1{
    text-align: center;
}

.home-courses-container{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.home-courses-ryt1{
    width: 48%;
    display: flex;
    justify-content: center;
}

.home-courses-ryt1 a{
    max-width: 400px;
}

.home-courses-ryt1 img{
    width: 100%;
}

.home-courses-lft{
    width: 48%;
}

.home-courses-content{
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-bottom: 3rem;
}

.home-courses-content a{
    width: 100%;
    padding: 2rem;
    color: #000;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    position: relative;
    transition: all 0.4s ease;
}

.home-courses-content a h5{
    position: relative;
    z-index: 3;
    font-size: 2rem;
    font-weight: 800;
}

.home-courses-content a:hover{
    color: #fff;
}

.home-courses-content a::before{
    content: '\2192';
    position: absolute;
    top: 0;
    left: -13%;
    width: 0;
    overflow: hidden;
    color: #fff;
    transition: all 0.5s ease;
    font-size: 4rem;
    text-align: right;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    z-index: 2;
}

.home-courses-content a:hover:before{
    width: 113%;
}

.home-courses-content a::after{
    content: '';
    position: absolute;
    top: 0;
    left: -13%;
    height: 100%;
    width: 0;
    background-color: var(--secondary-color);
    color: #fff;
    transition: all 0.5s ease;
    font-size: 4rem;
    text-align: right;
    z-index: 1;
}

.home-courses-content a:hover:after{
    width: 113%;
}

.home-courses .read-more-link1{
    text-align: left;
}

.home-courses-ryt{
    position: relative;
    width: 48%;
    text-align: right;
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.home-courses-ryt:hover > .home-courses-img img{
    transform: scale(1.3);
}

.home-courses-ryt:hover > .home-courses-bcklyr{
    width: 35%;
    aspect-ratio: 10/15;
    right: 50%;
    top: 20%;
    background-color: var(--secondary-color);
}

.home-courses-img{
    width: 50%;
    aspect-ratio: 1/1;
    overflow: hidden;
}

.home-courses-img img{
    transform: scale(1);
    transition: all 0.5s ease;
}

.home-courses-bcklyr{
    position: absolute;
    width: 60%;
    aspect-ratio: 15/9;
    background: var(--color-5);
    top: 50%;
    right: 36%;
    transition: all 0.5s ease;
}

/* blog */

.home-blog{
    overflow: hidden;
}

.home-blog .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.home-blog h1{
    text-align: center;
}

.home-blog .home-courses-img{
    aspect-ratio: 4/5;
}

.home-blog-content{
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin-bottom: 3rem;
}

.home-blog-content a{
    width: 100%;
    padding: 2rem 4rem;
    color: #000;
    border-top: 1px solid #ddd;
    border-bottom: 1px solid #ddd;
    position: relative;
    transition: all 0.4s ease;
}

.home-blog-content a h5{
    position: relative;
    z-index: 3;
    font-size: 2rem;
    font-weight: 800;
}

.home-blog-content a p{
    position: relative;
    z-index: 3;
}

.home-blog-content a:hover{
    color: #fff;
}

.home-blog-content a::before{
    content: '\2190';
    position: absolute;
    top: 0;
    right: -13%;
    width: 0;
    overflow: hidden;
    color: #fff;
    transition: all 0.5s ease;
    font-size: 4rem;
    text-align: left;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    z-index: 2;
}

.home-blog-content a:hover:before{
    width: 113%;
}

.home-blog-content a::after{
    content: '';
    position: absolute;
    top: 0;
    right: -13%;
    height: 100%;
    width: 0;
    background-color: var(--secondary-color);
    color: #fff;
    transition: all 0.5s ease;
    font-size: 4rem;
    text-align: right;
    z-index: 1;
}

.home-blog-content a:hover:after{
    width: 113%;
}







/* -------------------------------------------------research page------------------------------------------------------- */

/* research areas */

.research-area h1{
    margin-bottom: 3rem;
}

.research-area .custom-container{
    background-image: url(../images/logo_shape22.svg);
    background-repeat: no-repeat;
    background-position: right center;
    background-size: 30%;
}

.research-area .accordion{
    color: #fff;
    background-color: unset;
}

.research-area .accordion-button::after{
    background-image: url(../images/download.svg);
}

.research-area .accordion-button:not(.collapsed)::after{
    background-image: url(../images/download.svg);
}

.research-area .accordion-item{
    background-color: unset;
}

.research-area .accordion-item.collapsed{
    background-color: unset;
}

.research-area .accordion-button{
    background-color: unset;
    color: #fff;
}

/* application */

.application h1{
    margin-bottom: 3rem;
}

.application .custom-container{
    background-image: url(../images/logo_shape11.svg);
    background-repeat: no-repeat;
    background-position: right center;
    background-size: 30%;
}

.application .accordion-button::after{
    background-image: url(../images/download1.svg);
}

.application .accordion-button:not(.collapsed)::after{
    background-image: url(../images/download1.svg);
}






/* -------------------------------------------------team page------------------------------------------------------- */

/* former DD project students */

.former-dd h1{
    margin-bottom: 5rem;
}

.former-dd .custom-container {
    overflow: hidden;
}





/* team gallery section */

.teamgallery .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.team-gallery-container{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.team-gallery-frame{
    overflow: hidden;
    position: relative;
    border-radius: 16px;
}

.team-gallery-frame:hover > .team-gallery-des{
    background-color: #000a;
    top: 0;

}

.team-gallery-img{
    height: 250px;
    border-radius: 16px;
}

.team-gallery-des{
    position: absolute;
    top: 100%;
    left: 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: #000;
    padding: 8px;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: all 0.5s ease;
    border-radius: 15px;
}

.team-gallery-des p{
    font-size: 0.9rem;
    line-height: 1.3;
}

#carousel-team img{
    width: 700px;
    /* padding-left: 5px; */
}


/* -------------------------------------------------publication page------------------------------------------------------- */

/* publications */

.publications h1{
    margin-bottom: 3rem;
}

.publications .custom-container{
    overflow: hidden;
}

.publications-tab-holder{
    width: 200%;
    position: relative;
    right: 0%;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    transition: all 0.5s ease;
    justify-content: space-between;
}

.publications-tab-button{
    width: 50%;
}

.publications-tab-content{
    width: 49.5%;
}

.publications-tab-button .nav{
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    height: 100%;
    border-radius: 0;
    position: relative;
}

.publications-tab-button .nav .nav-link{
    text-align: left;
    color: #000;
    background-color: #fff;
    border: unset;
    outline: unset;
    padding: 2rem;
    border-bottom: 1px solid #fff;
    font-size: 20px;
    border-bottom: 1px solid #000;
}

.publications-tab-button .nav .nav-link:hover {
    background-color: var(--secondary-color);
    color: #fff;
}

.thirSectionHeader{
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    margin-bottom: 3rem;
    gap: 1rem;
}

.thirSectionBack{
    width: 35px;
    padding: 2px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.publications-tab-content .accordion-body {
    padding: 0;
}

.scholar-btn{
    margin: 2rem 0;
}

.scholar-btn a{
    padding: 10px;
    background-color: var(--secondary-color);
    color: #fff;
}








/* -------------------------------------------------teaching page------------------------------------------------------- */

/* academic cources */

.academy table{
    width: 100%;
    color: #fff;
}

.academy h1{
    margin-bottom: 3rem;
}

.academy th{
    padding: 1.5rem;
    border: 1px solid;
    font-size: 1.3rem;
    background-color: var(--color-3);
}

.academy td{
    padding: 1rem 1.5rem;
    border: 1px solid;
    font-size: 1rem;
}

.academy thead tr th:nth-child(1){
    width: 25%;
}

.academy thead tr th:nth-child(2){
    width: 25%;
}

.academy thead tr th:nth-child(3){
    width: 50%;
}

.academy thead tr td:nth-child(1){
    width: 25%;
}

.academy thead tr td:nth-child(2){
    width: 25%;
}

.academy thead tr td:nth-child(3){
    width: 50%;
}

.academy tbody tr:nth-child(even){
    background-color: var(--color-3);
}


/* nptel courses */

.teaching-nptel{
    overflow: hidden;
}

.teaching-nptel .custom-container{
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.teaching-nptel .home-courses-img{
    aspect-ratio: 4/5;
}





/* -------------------------------------------------contact page------------------------------------------------------- */

/* contact card */

.contact-page-body{
    background-color: #001440;
}

.container {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
    position: relative;
}

#contact input[type="text"],
#contact input[type="email"],
#contact input[type="tel"],
#contact input[type="url"],
#contact textarea,
#contact button[type="submit"] {
    font: 400 12px/16px "Open Sans", Helvetica, Arial, sans-serif;
}

#contact {
    background: #f9f9f9;
    padding: 25px;
    margin: 50px 0;
}

#contact h3 {
    color: #f96;
    display: block;
    font-size: 30px;
    font-weight: 400;
}

#contact h4 {
    margin: 5px 0 15px;
    display: block;
    font-size: 13px;
}

fieldset {
    border: medium none !important;
    margin: 0 0 10px;
    min-width: 100%;
    padding: 0;
    width: 100%;
}

#contact input[type="text"],
#contact input[type="email"],
#contact input[type="tel"],
#contact input[type="url"],
#contact textarea {
    width: 100%;
    border: 1px solid #ccc;
    background: #fff;
    margin: 0 0 5px;
    padding: 10px;
    font-family: 'Nunito Sans';
}

#contact input[type="text"]:hover,
#contact input[type="email"]:hover,
#contact input[type="tel"]:hover,
#contact input[type="url"]:hover,
#contact textarea:hover {
    -webkit-transition: border-color 0.3s ease-in-out;
    -moz-transition: border-color 0.3s ease-in-out;
    transition: border-color 0.3s ease-in-out;
    border: 1px solid #aaa;
}

#contact textarea {
    height: 100px;
    max-width: 100%;
    resize: none;
}

#contact button[type="submit"] {
    cursor: pointer;
    width: 100%;
    border: none;
    background: #0cf;
    color: #fff;
    margin: 0 0 5px;
    padding: 10px;
    font-size: 15px;
}

#contact button[type="submit"]:hover {
    background: #09c;
    -webkit-transition: background 0.3s ease-in-out;
    -moz-transition: background 0.3s ease-in-out;
    transition: background-color 0.3s ease-in-out;
}

#contact button[type="submit"]:active {
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.5);
}

#contact input:focus,
#contact textarea:focus {
    outline: 0;
    border: 1px solid #999;
}

::-webkit-input-placeholder {
    color: #888;
}

:-moz-placeholder {
    color: #888;
}

::-moz-placeholder {
    color: #888;
}

:-ms-input-placeholder {
    color: #888;
}

.contact-area {
    width: 100%;
    min-height: 100vh;
    height: max-content;
    position: relative;
    background-color: #001440;
}

.contact-quote{
   color: #fff;
}

.contact-quote-author{
   color: #fff;
   font-weight: 500;
}

.contact {
    position: relative;
    max-width: 460px;
    padding: 40px 20px;
    overflow: hidden;
    margin: 0 auto;
}

.contact main {
    float: left;
    width: 100%;
    position: relative;
}
.contact main section {
    border-radius: 5px;
    float: left;
    width: 100%;
    background-color: #1a4093;
    padding: 0;
}

.contact main section .content .contact-id{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
}

.contact main section .content .contact-id img{
    width: 25%;
    height: unset;
}

.contact main section .content .contact-id aside{
    width: 70%;
    color: #fff;
}

.contact-quote{
    font-size: 18px;
}

.contact-quote-author{
    font-size: 16px;
    font-weight: 600;
}

.contact main section .content {
    float: left;
    width: 100%;
    padding: 20px 30px 50px 30px;
    position: relative;
}

.contact main section .content img {
    display: inline-block;
    width: 140px;
    border-radius: 8px;
}

.contact main section .content aside h1 {
    font-weight: 100;
    font-size: 22px;
    margin-bottom: 10px;
}
.contact main section .content aside p {
    font-size: 14px;
    letter-spacing: 0.5px;
    line-height: 160%;
}
.contact main .title {
    float: left;
    width: 100%;
    background-color: #6A83B9;
    max-height: 0px;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    overflow: hidden;
    -webkit-transition: all 0.55s;
    -moz-transition: all 0.55s;
    -o-transition: all 0.55s;
    transition: all 0.55s;
}
.contact main .title.active {
    max-height: 100px;
    -webkit-transition: all 1.3s;
    -moz-transition: all 1.3s;
    -o-transition: all 1.3s;
    transition: all 1.3s;
}
.contact main .title.active p {
    -webkit-transform: scale(1);
    -moz-transform: scale(1);
    -ms-transform: scale(1);
    -o-transform: scale(1);
    transform: scale(1);
    transition-delay: 0.2s;
}
.contact main .title p {
    padding: 15px 30px;
    color: #fff;
    font-size: 16px;
    display: inline-block;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
    -webkit-transform: scale(0);
    -moz-transform: scale(0);
    -ms-transform: scale(0);
    -o-transform: scale(0);
    transform: scale(0);
}
.contact main button {
    position: absolute;
    bottom: 0;
    right: 50%;
    background-color: #ffa500;
    color: #393939;
    border: 0;
    width: 200px;
    height: 48px;
    text-align: center;
    border-radius: 30px;
    font-size: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: -24px;
    margin-right: -100px;
    -webkit-transition: all 0.4s;
    -moz-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
    transition-delay: 0.1s;
    outline: none;
    overflow: hidden;
    z-index: 6;
}

.contact main button span {
    opacity: 1;
    -webkit-transition: opacity 0.2s;
    -moz-transition: opacity 0.2s;
    -o-transition: opacity 0.2s;
    transition: opacity 0.2s;
    transition-delay: 0.4s;
    display: block;
    width: 200px;
    float: left;
    padding: 15px 0px;
}
.contact main button svg {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    opacity: 0;
    -webkit-transition: all 0.4s;
    -moz-transition: all 0.4s;
    -o-transition: all 0.4s;
    transition: all 0.4s;
}
.contact main button svg path {
    fill: #393939;
}
.contact main button.active {
    margin-right: 0;
    right: 20px;
    width: 65px;
    height: 65px;
    margin-bottom: -32.5px;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    border-radius: 65px;
    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.2);
}
.contact main button.active span {
    opacity: 0;
    transition-delay: 0s;
    width: 200px;
}
.contact main button.active svg {
    opacity: 1;
    transition-delay: 0.5s;
}
.contact nav {
    float: left;
    width: 100%;
    overflow: hidden;
    max-height: 0px;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    transition: all 0.5s;
}
.contact nav.active {
    max-height: 600px;
    -webkit-transition: all 1s;
    -moz-transition: all 1s;
    -o-transition: all 1s;
    transition: all 1s;
}
.contact nav.active a {
    opacity: 1;
    -webkit-transform: translateY(0px);
    -moz-transform: translateY(0px);
    -ms-transform: translateY(0px);
    -o-transform: translateY(0px);
    transform: translateY(0px);
    -webkit-transition: all 0.7s;
    -moz-transition: all 0.7s;
    -o-transition: all 0.7s;
    transition: all 0.7s;
}
.contact nav.active a:nth-of-type(1) {
    transition-delay: 0.5s;
}
.contact nav.active a:nth-of-type(2) {
    transition-delay: 0.7s;
}
.contact nav.active a:nth-of-type(3) {
    transition-delay: 0.9s;
}
.contact nav a {
    float: left;
    width: 100%;
    margin-top: 18px;
    background-color: #fff;
    padding: 18px 20px;
    border-radius: 5px;
    text-decoration: none;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    -o-transition: all 0.3s;
    transition: all 0.3s;
    opacity: 0;
    -webkit-transform: translateY(-10px);
    -moz-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    -o-transform: translateY(-10px);
    transform: translateY(-10px);
    position: relative;
}

.contact nav a .arrow {
    position: absolute;
    right: 15px;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -o-transform: translateY(-50%);
    transform: translateY(-50%);
}
.contact nav a .arrow path {
    fill: #e6e6e6;
}
.contact nav a.gmail .icon svg {
    background-color: #1a4093;
}
.contact nav a.gmail .content h1 {
    color: #1a4093;
}
.contact nav a.facebook .icon svg {
    background-color: #FFA500;
}
.contact nav a.facebook .content h1 {
    color: #FFA500;
}
.contact nav a.twitter .icon svg {
    background-color: #1da1f2;
}
.contact nav a.twitter .content h1 {
    color: #1da1f2;
}
.contact nav a .icon {
    float: left;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
}
.contact nav a .icon svg {
    width: 100%;
    height: 100%;
    padding: 14px;
}
.contact nav a .icon svg path {
    fill: #fff;
}
.contact nav a .content h1 {
    font-size: 20px;
    font-weight: 400;
    line-height: 160%;
    letter-spacing: 0.4px;
}
.contact nav a .content span {
    font-size: 14px;
    color: #b3b3b3;
    display: block;
    letter-spacing: 0.4px;
}

