*,
.logo p,
.phd-para {
    margin: 0
}

.logo,
nav {
    z-index: 10
}

.logo a,
.nav-logo a,
header,
nav {
    display: flex
}

header,
nav ul {
    width: 100%
}

.submenu,
nav ul {
    list-style-type: none
}

#back-to-top,
header.scrolled {
    background-color: #000
}

#back-to-top,
#back-to-top i {
    font-size: 24px
}

.contact-me a,
.logo p,
.phd {
    font-family: Oswald, sans-serif
}

#back-to-top,
.custom-wrapper i {
    text-align: center;
    cursor: pointer
}

#popup-overlay,
header,
nav {
    position: fixed;
    top: 0
}

#popup-image,
nav ul li:hover .submenu {
    display: block
}

#popup-left,
#popup-right {
    top: 85%
}

#popup-left,
#popup-right,
.custom-wrapper i {
    transform: translateY(-50%)
}

.contact-me a,
.logo a,
.nav-logo a,
footer ul li a,
nav ul li a {
    text-decoration: none
}

* {
    padding: 0;
    box-sizing: border-box;
    font-family: "Bebas Neue", sans-serif
}

body,
html {
    height: 100%;
    font-family: Arial, sans-serif
}

header {
    height: 100px;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    z-index: 50;
    transition: .3s
}

#back-to-top,
nav {
    flex-direction: column
}

.logo a {
    font-size: 30px;
    letter-spacing: .2em;
    color: #fff
}

.logo p {
    color: #fff;
    font-size: .9rem;
    letter-spacing: .1em;
    font-weight: 500
}

.menu-toggle,
.nav-logo a {
    font-size: 30px;
    color: #fff
}

.menu-toggle {
    cursor: pointer;
    z-index: 20
}

nav {
    left: -100vw;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(45deg, rgba(2, 2, 2, .75), rgba(2, 2, 2, .75)), url(../images/background/main-bg.webp) top/cover no-repeat;
    align-items: start;
    padding: 20px
}

.nav-logo a {
    letter-spacing: .2em;
    margin: 50px 0
}

.main-menu {
    padding-left: 3rem;
    padding-top: 6rem
}

nav ul li a {
    position: relative;
    margin: 10px 0;
    font-size: 1.875rem;
    font-family: "Bebas Neue", sans-serif;
    letter-spacing: .2em;
    color: #fff;
    cursor: pointer
}

.about-content .column-2 .details p,
footer ul li a {
    font-size: 1rem;
    font-weight: 400;
    font-family: "Bebas Neue", sans-serif
}

.main-menu li {
    transition: transform .3s
}

.main-menu li:hover {
    color: #cbdbf1;
    transform: translateX(20px)
}

.submenu {
    display: none;
    margin: 10px 0
}

.academic-section,
.award-section,
.custom-card-slider,
.experience-section,
.services-section,
footer {
    margin-top: -2px;
    background-color: #000
}

.submenu li a:hover {
    transform: translateX(0)
}

.submenu li a {
    margin: 5px 0;
    font-size: 1.25rem;
    transition: none
}

nav.open {
    left: 0
}

.carousel img {
    aspect-ratio: 16/9
}

.carousel-control-next-icon,
.carousel-control-prev-icon {
    background-image: none !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 50%;
    font-size: 40px;
    color: #fff
}

.carousel-control-next,
.carousel-control-prev {
    opacity: 1 !important
}

#back-to-top {
    margin-top: -2px;
    display: none;
    color: #fff;
    width: 100%;
    height: 70px;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding-right: 30px;
    border: none
}

#back-to-top span {
    font-size: 16px;
    line-height: 1.5rem;
    font-family: "Bebas Neue", sans-serif
}

.about-content {
    display: flex;
    padding: 100px 30px 0;
    background: linear-gradient(45deg, rgba(2, 2, 2, .75), rgba(2, 2, 2, .75)) center/cover no-repeat, url('../images/background/main-bg.webp') center/cover no-repeat;
    width: 100%
}

.about-content .column-1 {
    width: 20%;
    padding: 10px;
    border-bottom: 1px solid #fff
}

.about-content .column-1 h2 {
    margin-top: 0;
    color: #fff;
    letter-spacing: .2em;
    font-size: 1.5rem;
    padding-top: 48px
}

.about-content .column-2 {
    width: 80%;
    padding: 100px 8px 60px;
    border-bottom: 1px solid #fff
}

.about-content .event {
    margin-bottom: 30px;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 1.25rem;
    letter-spacing: .1em
}

.about-content .event-line {
    display: inline-block;
    width: 48px;
    height: 2px;
    background-color: #fff;
    vertical-align: middle
}

.about-content .event:hover {
    cursor: pointer
}

.about-content .details {
    width: 90%;
    display: none;
    margin-top: 0;
    color: #fff;
    margin-bottom: 50px
}

.about-content .column-2 .details img {
    width: 262px;
    height: 380px;
    margin-right: 60px;
    filter: grayscale(100%)
}

.about-content .remove-icon {
    cursor: pointer;
    position: absolute;
    bottom: 10px;
    right: 10px
}

.about-content .column-2 .details p {
    letter-spacing: .1em;
    word-spacing: 0.5em;
    line-height: 1.5rem
}

.about-content .column-2 .details i {
    font-size: 24px;
    display: flex;
    justify-content: end;
    margin-top: 10px;
    cursor: pointer
}

.about-content .column-2 .details .detail-content {
    display: flex;
    justify-content: space-between;
    flex-direction: column
}

.about-content .column-2 .details .para-ul li {
    color: #fff;
    font-family: "Bebas Neue", sans-serif;
    font-weight: 400;
    letter-spacing: .1em;
    word-spacing: 0.5em;
    line-height: 1.5rem
}

.about-content .column-2 .details .para-ul .heading {
    font-size: 24px;
    list-style: none;
    margin-top: 25px;
    margin-bottom: 5px;
    color: #fff;
    font-family: "Bebas Neue", sans-serif;
    letter-spacing: .1em;
    line-height: 1.5rem
}

.academic-banner {
    background: linear-gradient(360deg, #000 10%, rgba(255, 255, 255, 0) 100%) 0 0/cover, url('../images/banner/academic.jpg') left center/cover no-repeat fixed;
    filter: grayscale(0%)
}

.academic-section {
    width: 100%;
    z-index: -1;
    padding: 50px 30px 0;
    position: relative
}

.award-section,
.experience-section {
    padding: 120px 30px 0;
    position: relative
}

.academic-box,
.award-box,
.experience-box,
.services-box {
    width: 100%;
    display: flex
}

.academic-section .academic-box .heading {
    width: 25%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: first baseline;
    border-bottom: 1px solid #fff
}

.academic-section .academic-box .heading h2,
.award-section .award-box .heading h2,
.experience-section .experience-box .heading h2 {
    font-size: 1.5rem;
    letter-spacing: .2em;
    color: #fff;
    position: absolute;
    top: 130px;
    font-weight: 500
}

.academic-section .academic-box .content {
    width: 25%;
    display: flex;
    flex-direction: column;
    padding-top: 80px;
    border-bottom: 1px solid #fff
}

.academic-section .academic-box .content .contentlist {
    display: flex;
    flex-direction: column;
    margin: 50px 0;
    align-items: start;
    padding: 0 8px
}

.academic-section .academic-box .content .contentlist p,
.award-section .award-box .content .contentlist p,
.experience-section .experience-box .content .contentlist p,
.services-section .services-box .content .contentlist p {
    font-family: "Bebas Neue", sans-serif;
    color: #fff;
    font-size: .875rem;
    margin-bottom: 8px;
    line-height: 26px;
    letter-spacing: .1em
}

.academic-section .academic-box .content .contentlist h5,
.award-section .award-box .content .contentlist h5,
.experience-section .experience-box .content .contentlist h5,
.services-section .services-box .content .contentlist h5 {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: .1em;
    color: #fff
}

.academic-section .academic-box .content .contentlist h6,
.award-section .award-box .content .contentlist h6,
.experience-section .experience-box .content .contentlist h6,
.services-section .services-box .content .contentlist h6 {
    font-size: 14px;
    font-weight: 300;
    letter-spacing: .2em;
    color: #fff;
    border-top: 2px solid #fff;
    padding-top: 12px;
    margin: 10px 0
}

.experience-section {
    width: 100%;
    z-index: -2
}

.award-section .award-box .heading,
.experience-section .experience-box .heading,
.services-section .services-box .heading {
    width: 20%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: first baseline;
    border-bottom: 1px solid #fff
}

.award-section .award-box .content-box,
.experience-section .experience-box .content-box,
.services-section .services-box .content-box {
    width: 80%;
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid #fff
}

.award-section .award-box .content,
.experience-section .experience-box .content,
.services-section .services-box .content {
    width: 100%;
    display: flex;
    justify-content: space-between
}

.experience-section .experience-box .content .contentlist,
.services-section .services-box .content .contentlist {
    width: 30%;
    display: flex;
    flex-direction: column;
    margin: 50px 0;
    align-items: start;
    padding: 0 8px;
    background: linear-gradient(45deg, rgba(2, 2, 2, .75), rgba(2, 2, 2, .75)) center/contain no-repeat, url(../images/background/main-bg.webp) center/contain no-repeat
}

.award-section {
    width: 100%;
    z-index: -3
}

.award-section .award-box .content .contentlist {
    width: 30%;
    display: flex;
    flex-direction: column;
    margin: 50px 0;
    align-items: start;
    padding: 0 8px
}

.services-section {
    width: 100%;
    z-index: -4;
    padding: 120px 30px 80px;
    position: relative
}

.services-section .services-box .heading h2 {
    font-size: 1.5rem;
    letter-spacing: .1em;
    color: #fff;
    position: absolute;
    top: 130px;
    font-weight: 500
}

.contact-me {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px
}

.contact-me i {
    font-size: 1.1rem
}

.contact-me a {
    color: #fff;
    font-size: .9rem;
    letter-spacing: .1em
}

.custom-card-slider {
    display: flex;
    padding: 40px 35px 0;
    align-items: center;
    justify-content: center;
    min-height: 100%
}

.custom-wrapper {
    max-width: 85%;
    width: 100%;
    position: relative
}

.custom-wrapper i {
    top: 50%;
    height: 50px;
    width: 50px;
    font-size: 1.25rem;
    position: absolute;
    line-height: 50px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 3px 6px rgba(0, 0, 0, .23);
    transition: transform .1s linear
}

.custom-wrapper i:active {
    transform: translateY(-50%) scale(.85)
}

.custom-wrapper i:first-child {
    left: -60px
}

.custom-wrapper i:last-child {
    right: -60px
}

.custom-wrapper .custom-carousel {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% / 3) - 12px);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 16px;
    border-radius: 8px;
    scroll-behavior: smooth;
    scrollbar-width: none
}

.custom-carousel::-webkit-scrollbar {
    display: none
}

.custom-carousel.no-transition {
    scroll-behavior: auto
}

.custom-carousel.dragging {
    scroll-snap-type: none;
    scroll-behavior: auto
}

.custom-carousel.dragging .custom-card {
    cursor: grab;
    user-select: none
}

.custom-carousel :where(.custom-card, .custom-img) {
    display: flex;
    justify-content: center;
    align-items: center
}

.custom-carousel .custom-card {
    scroll-snap-align: start;
    height: 342px;
    list-style: none;
    background: #fff;
    cursor: pointer;
    flex-direction: column;
    border-radius: 8px
}

.custom-carousel .custom-card .custom-img {
    width: 100%;
    height: 100%;
    border-radius: 8px
}

.custom-card .custom-img img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    object-fit: cover
}

.custom-carousel .custom-card h2 {
    font-weight: 500;
    font-size: 1.56rem;
    margin: 30px 0 5px
}

.custom-carousel .custom-card span {
    color: #6a6d78;
    font-size: 1.31rem
}

@media screen and (max-width:900px) {
    .custom-wrapper .custom-carousel {
        grid-auto-columns: calc((100% / 2) - 9px)
    }
}

@media screen and (max-width:600px) {
    .custom-card-slider {
        padding: 0 5px;
    }

    .custom-wrapper .custom-carousel {
        grid-auto-columns: 100%;
    }

    .custom-wrapper i:first-child {
        left: -22px;
        z-index:1;
    }

    .custom-wrapper i:last-child {
        right: -22px
    }
}

#popup-overlay {
    display: none;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .9);
    justify-content: center;
    align-items: center;
    z-index: 1000
}

#popup-image {
    width: 60%;
    height: 60%;
    object-fit: contain;
    margin: 50px auto;
    aspect-ratio: 4/4
}
#popup-text{
    width: 100%;
    position: absolute;
    bottom: 0px;
    left: 0px;
    display: flex;
    justify-content: center;
    padding: 20px 0px;
    background-color: #000;
    color: #fff;
    z-index: 50;
    font-size: 1rem;
    letter-spacing: 0.1em;
}
#popup-close,
#popup-left,
#popup-right {
    position: absolute;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    z-index: 1001
}

#popup-left {
    left: 20px
}

#popup-right {
    right: 20px
}

#popup-close {
    top: 10px;
    right: 20px
}


.custom-card {
    position: relative;
    overflow: hidden;
}

.custom-card .custom-img {
    position: relative;
}

.custom-card .custom-overlay-text {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 15px;
    color: #fff;
    font-size: 1rem;
    letter-spacing: 0.1em;
    font-weight: normal;
    text-align: center;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), #000000d9);
    opacity: 0;
    transition: opacity 0.3sease-in-out;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Oswald, sans-serif;
}

.custom-card:hover .custom-overlay-text {
    opacity: 1;
}



footer {
    width: 100%;
    padding: 0 30px 10px
}

.footer-container {
    border-top: 1px solid #fff
}

footer ul {
    padding-top: 20px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    width: 100%;
    padding-left: 0
}

footer ul li {
    list-style: none
}

footer ul li a {
    letter-spacing: .1em;
    line-height: 21px;
    color: #fff;
    list-style: none
}

footer .designer-logo {
    display: flex;
    gap: 10px;
    align-items: center
}

footer .designer-logo img {
    width: 150px
}

@media screen and (max-width:1200px) {
    .about-content {
        flex-direction: column
    }

    .about-content .column-2 {
        width: 100%;
        padding: 40px 8px 60px
    }

    .about-content .column-1 {
        border: none
    }

    .academic-box,
    .award-box,
    .experience-box,
    .services-box {
        flex-wrap: wrap
    }

    .academic-section .academic-box .heading,
    .award-section .award-box .heading,
    .experience-section .experience-box .heading,
    .services-section .services-box .heading {
        width: 100%;
        border: none
    }

    .academic-section .academic-box .content {
        width: 33.33%;
        padding-top: 120px
    }

    .award-section .award-box .heading h2,
    .experience-section .experience-box .heading h2,
    .services-section .services-box .heading h2 {
        top: 100px
    }

    .award-section .award-box .content-box,
    .experience-section .experience-box .content-box,
    .services-section .services-box .content-box {
        width: 100%
    }

    .experience-section .experience-box .content .contentlist,
    .services-section .services-box .content .contentlist {
        width: 30%
    }

    .award-section .award-box .content,
    .experience-section .experience-box .content,
    .services-section .services-box .content {
        width: 100%;
        padding-top: 0
    }
}

@media screen and (max-width:1024px) {
    footer ul {
        padding-left: 0;
        flex-wrap: wrap
    }

    footer ul li {
        width: 50%;
        text-align: left;
        margin: 20px 0
    }
}

@media screen and (max-width:920px) {
    footer ul li a {
        font-size: .9rem
    }

    footer ul {
        justify-content: space-between
    }
}

@media screen and (max-width:768px) {
    .logo p {
        font-size: .8rem;
        padding: 0 5px 0 0
    }

    nav ul li a {
        font-size: 1.5rem
    }

    .about-content .details {
        flex-direction: column
    }

    .about-content .column-2 .details p {
        margin-top: 20px
    }

    .academic-section .academic-box .content {
        width: 50%;
        border: none;
        padding: 0
    }

    .academic-box {
        border-bottom: 1px solid #fff
    }

    .academic-section .academic-box .content .contentlist {
        margin: 20px 0
    }

    .academic-section .academic-box .heading {
        padding: 100px 0 60px
    }

    .experience-section .experience-box .content .contentlist {
        margin: 20px 0;
        width: 100%;
        padding: 0 20px
    }

    .award-section .award-box .content-box,
    .experience-section .experience-box .content-box,
    .services-section .services-box .content-box {
        flex-direction: row;
        flex-wrap: wrap;
        margin-top: 50px;
        margin-bottom: 10px
    }

    .award-section .award-box .content,
    .experience-section .experience-box .content,
    .services-section .services-box .content {
        width: 50%;
        flex-direction: column
    }

    .award-section .award-box .content .contentlist {
        margin: 20px 0;
        width: 100%;
        padding: 0 20px;
        height: 300px;
        overflow-y: scroll
    }

    .services-section .services-box .content .contentlist {
        margin: 20px 0;
        height: 250px;
        overflow-y: scroll;
        width: 100%;
        padding: 0 20px
    }

    footer .designer-logo {
        justify-content: center
    }

    .logo-li {
        width: 100%;
        text-align: center
    }

    footer ul li a {
        font-size: 1rem
    }
}

@media screen and (max-width:580px) {
    footer ul li {
        width: 100%
    }
}

@media screen and (max-width:480px) {
    .academic-section .academic-box .heading h2 {
        letter-spacing: .1em
    }

    #carouselExampleAutoplaying {
        margin-top: 96px
    }

    header {
        background-color: #000
    }

    .main-menu {
        padding-left: 1.5rem
    }

    .academic-section .academic-box .content,
    .award-section .award-box .content,
    .experience-section .experience-box .content,
    .services-section .services-box .content {
        width: 100%
    }

    .award-section .award-box .content .contentlist,
    .services-section .services-box .content .contentlist {
        height: 100%;
        overflow-y: visible
    }
}