/*CSS variable declaration for light/dark mode*/

html[data-theme="light"] {
    --bg-mybtn: rgb(230, 109, 129);
    --bg-nav: #6617cb;
    --bg-nav-img: linear-gradient(315deg, #000000 0%, #242222 74%);
    --bg: #191919;
    --text: #ffffff;
    --text-color: #fff;
    --bg-txt-img: linear-gradient(315deg, #d5adc8 0%, #ff8489 74%);
    --txt-fill: transparent;
}

html[data-theme="dark"] {
    --bg-mybtn: rgb(230, 109, 129);
    --bg-nav: #6617cb;
    --bg-nav-img: linear-gradient(315deg, #000000 0%, #242222 74%);
    --bg: #191919;
    --text: #ffffff;
    --text-color: #fff;
    --bg-txt-img: linear-gradient(315deg, #d5adc8 0%, #ff8489 74%);
    --txt-fill: transparent;
}

body {
    height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--text);
    font-family: "Poppins", sans-serif;
    background-color: var(--bg);
}


/* Top button */


/* smooth scrolling to top */

html {
    scroll-behavior: smooth;
}


/*starting part of every page*/

.main-heading {
    font-size: 4em;
    font-weight: bolder;
    background: var(--bg-txt-img);
    -webkit-background-clip: text;
    -webkit-text-fill-color: var(--txt-fill);
    padding-bottom: 0.1em;
}

.pre-heading {
    font-size: 1.1em;
    letter-spacing: 2px;
    line-height: normal;
    color: var(--text-color);
}


/* NAVBAR*/

.nav-wrapper a:hover,
.sidenav a:hover {
    text-decoration: none;
}

.nav-wrapper {
    margin-left: 10px;
    margin-right: 10px;
    min-height: 64px;
    display: block;
    align-items: initial;
    justify-content: initial;
    position: relative;
}


/*Navbar dark mode(research page)*/

.black {
    background-color: var(--bg-nav);
    background-image: var(--bg-nav-img);
}

.nav-wrapper a {
    font-weight: bold;
}

.sidenav-trigger {
    margin-left: 0px !important;
}

.brand-logo {
    position: absolute;
    left: 10px;
    height: 100%;
    display: block;
    padding: 0;
    line-height: normal;
}

.brand-logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
    vertical-align: middle;
}

h1,
p {
    display: inline-block;
    line-height: 1;
    font-family: "Poppins", sans-serif;
    margin: 20px 0;
    font-weight: 300;
    font-size: 18px;
}


/*toggle for light/dark mode*/

.toggle-checkbox {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.side-toggle {
    height: 2em;
    width: 5em;
}

.toggle-slot {
    position: relative;
    height: 3.5em;
    width: 8em;
    border: 5px solid #e4e7ec;
    border-radius: 10em;
    background-color: white;
    transition: background-color 250ms;
    margin-top: 1em;
    margin-left: 1.5em;
    cursor: pointer;
}

.toggle-checkbox:checked~.toggle-slot {
    background-color: #374151;
}

.toggle-button {
    transform: translate(11.75em, 1.75em);
    position: absolute;
    height: 2em;
    width: 2em;
    border-radius: 50%;
    background-color: #ffeccf;
    box-shadow: inset 0px 0px 0px 0.75em #ffbb52;
    transition: background-color 250ms, border-color 250ms, transform 500ms cubic-bezier(0.26, 2, 0.46, 0.71);
    margin-top: -1.5em;
    margin-left: -7em;
    cursor: pointer;
    pointer-events: all;
}

.theme-switch {
    pointer-events: none;
}

.toggle-checkbox:checked~.toggle-slot .toggle-button {
    background-color: #485367;
    box-shadow: inset 0px 0px 0px 0.75em white;
    transform: translate(7.5em, 1.75em);
}

.sun-icon {
    position: absolute;
    height: 2em;
    width: 2em;
    color: #ffbb52;
    margin-top: -1.2em;
    margin-left: -2em;
}

.sun-icon-wrapper {
    position: absolute;
    height: 3em;
    width: 3em;
    opacity: 1;
    transform: translate(2em, 2em) rotate(15deg);
    transform-origin: 50% 50%;
    transition: opacity 150ms, transform 500ms cubic-bezier(0.26, 2, 0.46, 0.71);
}

.toggle-checkbox:checked~.toggle-slot .sun-icon-wrapper {
    opacity: 0;
    transform: translate(3em, 2em) rotate(0deg);
}

.moon-icon {
    position: absolute;
    height: 2em;
    width: 2em;
    color: white;
    margin-top: -3.5em;
    margin-left: -6.5em;
}

.moon-icon-wrapper {
    position: absolute;
    height: 3em;
    width: 3em;
    opacity: 0;
    transform: translate(11em, 2em) rotate(0deg);
    transform-origin: 30% 50%;
    transition: opacity 150ms, transform 500ms cubic-bezier(0.26, 2.5, 0.46, 0.71);
}

.toggle-checkbox:checked~.toggle-slot .moon-icon-wrapper {
    opacity: 1;
    transform: translate(12em, 2em) rotate(-15deg);
}


/*Transition for Toggle*/

html.transition,
html.transition *,
html.transition *:before,
html.transition *:after {
    transition: all 750ms !important;
    transition-delay: 0 !important;
}


/* About Section */

#about .card {
    background-color: var(--bg);
    color: var(--text-color);
    transform: scale(.97);
    cursor: pointer;
    transition: all .3s ease-in-out;
}

#mooc .card {
    color: var(--text-color);
    transform: scale(.97);
    cursor: pointer;
    transition: all .3s ease-in-out;
}

#about .card i,
#mooc .card i {
    color: white;
}

#about .card-img,
#mooc .card-img {
    background-color: var(--bg-nav);
}

#about .card:hover,
#mooc .card:hover {
    transform: scale(1.005);
    box-shadow: 0 10px 18px 2px #000;
}


/*Footer*/

.webintern-footer {
    background-color: var(--bg-nav);
    background-image: var(--bg-nav-img);
    padding: 20px;
}

.row {
    clear: both;
    margin: 0 auto;
    padding: 0 auto;
    bottom: 0px;
    clear: both !important;
}

.webintern-footer-inner {
    padding-top: 0px;
    padding-bottom: 0px;
}

.webintern-footer-logo {
    display: inline-block;
}

.webintern-footer .webintern-footer-inner .simple-text p {
    color: #fff;
    margin-top: 0px;
    margin-bottom: 0px;
}

.simple-text p {
    font-size: 15px;
    color: #42435d;
    font-family: "Open Sans", sans-serif;
    font-weight: 300;
    line-height: 20px;
    margin-bottom: 0;
}

@media (min-width: 40rem) {
    .simple-text p {
        font-size: 20px;
    }
}

.footer-2 {
    float: right;
    margin-right: 0px;
}

.webintern_footer_title {
    margin-top: 0px;
    margin-bottom: 0px;
}

.webintern_footer_title small {
    font-family: "Work Sans", sans-serif;
    color: #fff;
    font-weight: 500;
    font-size: 10px;
    text-transform: uppercase;
}

.webintern_footer_title:after {
    content: "";
    display: block;
    width: 6rem;
    height: 2px;
    background: #26a69a;
    margin-top: 4px;
}

.contact-form #inputEmail,
#inputName {
    background-color: #fff;
    padding: 0.375rem 0.75rem;
    height: 2rem;
    width: 93%;
    font-size: 15px;
    border-radius: 2px;
    margin-bottom: 0px;
}

.form-control:focus {
    box-shadow: none;
    border-bottom: 1px solid #26a69a;
}

.form-group {
    padding-left: 0px;
    padding-right: 0px;
}

.webintern-footer .webintern-footer-inner .simple-text p {
    color: #fff;
    margin-top: 10px;
    margin-bottom: 10px;
    display: block;
}

.simple-text p {
    font-size: 15px;
    color: #42435d;
    font-family: "Open Sans", sans-serif;
    font-weight: 400;
    line-height: 26px;
    margin-bottom: 0;
}

.footer-2 {
    float: right;
    margin-right: 0px;
}

.webintern_footer_title {
    margin-top: 0px;
    margin-bottom: 10px;
}

.webintern_footer_title small {
    font-family: "Work Sans", sans-serif;
    color: #fff;
    font-weight: 100;
    font-size: 13px;
    text-transform: uppercase;
}

.webintern_footer_title:after {
    content: "";
    display: block;
    width: 7rem;
    height: 2px;
    background: #26a69a;
    margin-top: 2px;
}

.contact-form #inputEmail,
#inputName {
    background-color: #fff;
    padding: 0.375rem 0.75rem;
    height: 2rem;
    width: 93%;
    font-size: 15px;
    border-radius: 2px;
}


/*.tt-copy {
  font-size: 0px;
  line-height: 0px;
  color: #fff;
  padding: 0px 0;
  font-family: "Open Sans", sans-serif;
}*/


/*Responsive*/

@media (min-width: 40rem) {
    .simple-text p {
        font-size: 15px;
        text-align: center;
    }
    .webintern-footer .webintern-footer-inner .simple-text p {
        width: 220px;
    }
}

.send-btn {
    padding-top: 5px 3px 5px 3px;
    font-size: 10px;
    transition-property: font-size;
    transition: all 0.5s ease;
    outline: none;
}

.send-btn:hover {
    background-color: #0dfde5;
    font-size: 13px;
}

.btn:focus,
.btn:active {
    outline: none !important;
    box-shadow: none;
    background-color: #26a69a;
    color: #fff;
}

.form-group:focus {
    border: 2px solid black;
}

.text-animation {
    animation: text 3s 1;
}

@keyframes text {
    0% {
        letter-spacing: 0px;
    }
    50% {
        letter-spacing: 20px;
    }
    100% {
        letter-spacing: 2px;
    }
}


/*social icons footer*/

:root {
    --link-size: 64px;
    --trans-props: all 0.3s ease;
    --link-size-footer-b: 40px;
    --link-size-footer-s: 30px;
}

.social-icons-footer {
    font-size: 20px;
    align-items: center;
    justify-content: center;
    flex-flow: row wrap;
    display: block;
}

.social-icon-footer {
    display: flex;
    position: relative;
    overflow: hidden;
    width: var(--link-size-footer-s);
    height: var(--link-size-footer-s);
    margin: 3px;
    background-color: #fff;
    border-radius: 50%;
    text-decoration: none;
    float: left;
    transition: background-color 0.3s, var(--trans-props);
}

.social-icon-footer:hover {
    background-color: grey;
    transform: translateY(-4px);
}

.social-icon-footer i {
    margin: auto;
    font-size: 15px;
    color: #000;
}

.social-icon-footer:hover i {
    color: #000000;
}

textarea#message {
    min-height: 65px;
    max-height: 250px;
}


/*Responsive*/

@media (min-width: 60rem) {
    .social-icons-footer {
        width: 280px;
        text-align: center;
    }
    .social-icon-footer {
        width: var(--link-size-footer-b);
        height: var(--link-size-footer-b);
    }
    .social-icon-footer i {
        font-size: 20px;
    }
}

@media (min-width: 40rem) {
    .webintern-footer .webintern-footer-inner .simple-text p {
        width: auto;
    }
}


/*Animations*/

.social-icon-footer:hover {
    transform: translateY(-4px);
}

.social-icon:hover:after {
    transform: translate(0) scale(1.2);
}


/* wave-hand animation */

.wave {
    animation-name: wave-animation;
    animation-duration: 2.5s;
    animation-iteration-count: infinite;
    transform-origin: 70% 70%;
    display: inline-block;
}

@keyframes wave-animation {
    0% {
        transform: rotate( 0.0deg)
    }
    10% {
        transform: rotate(14.0deg)
    }
    20% {
        transform: rotate(-8.0deg)
    }
    30% {
        transform: rotate(14.0deg)
    }
    40% {
        transform: rotate(-4.0deg)
    }
    50% {
        transform: rotate(10.0deg)
    }
    60% {
        transform: rotate( 0.0deg)
    }
    100% {
        transform: rotate( 0.0deg)
    }
}

.skill-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); /* Further reduced min width */
    gap: 1.5rem;
}

.skill-name {
    font-size: 1rem;
    color: #fff;
    margin: 0;
    font-weight: 500;
    overflow-wrap: break-word; /* Allow long names to wrap */
}

.skill-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s ease;
    box-sizing: border-box; /* Include padding in the item's total width */
}