:root,
[data-bs-theme=light] {
    --heading-font: "Roboto", sans-serif;
    --heading-font-weight: 700;
    --heading-color: var(--bs-dark);
    --heading-line-height: 1.2;
    --swiper-theme-color: var(--bs-black);
    --custom-easing: cubic-bezier(.17, .67, .83, .67);
    /* theme colors */
    --bs-body-font-family: "Roboto", sans-serif;
    --bs-body-font-size: 0.9rem;
    --bs-body-font-weight: 400;
    --bs-body-line-height: 1.7;
    --bs-body-color: #333;
    --bs-body-color-rgb: 51, 51, 51;
    --bs-primary: #FF534A;
    --bs-primary-dark: #d33a32;
    --bs-secondary: #6d6c6b;
    --bs-black: #111;
    --bs-light: #F1F1F0;
    --bs-dark: #212529;
    --bs-gray: #949494;
    --bs-gray-dark: #51565b;
    --bs-primary-rgb: 255, 83, 74;
    --bs-secondary-rgb: 253, 238, 233;
    --bs-black-rgb: 17, 17, 17;
    --bs-light-rgb: 241, 241, 240;
    --bs-dark-rgb: 33, 37, 41;
    --bs-link-color: var(--bs-dark);
    --bs-link-color-rgb: 17, 17, 17;
    --bs-link-decoration: underline;
    --bs-link-hover-color: var(--bs-primary);
    --bs-link-hover-color-rgb: 169, 128, 115;
    --bs-gutter-x: 2.5rem;
}

.container,
.container-fluid,
.container-lg,
.container-md,
.container-sm,
.container-xl,
.container-xxl {
    /* spacing */
    --bs-gutter-x: 2.5rem;
}

h1,
h2,
h3,
h4,
h5,
h6,
.display-1,
.display-2,
.display-3,
.display-4,
.display-5,
.display-6 {
    font-family: var(--heading-font);
    font-weight: var(--heading-font-weight);
    line-height: var(--heading-line-height);
    color: var(--heading-color);
}

.display-5 {
    line-height: 5rem;
}

a {
    text-decoration: none;
    transition: all 0.3s ease-out;
}

p {
    font-size: 18px;
}

/* Dropdown */

.dropdown-menu {
    --bs-dropdown-border-radius: 0;
    --bs-dropdown-border-width: 0;
}

.dropdown-item {
    --bs-dropdown-item-padding-y: 0.25rem;
    --bs-dropdown-item-padding-x: 1rem;
    --bs-dropdown-link-color: var(--bs-black);
    --bs-dropdown-item-border-radius: 0;
}

.dropdown-item.active,
.dropdown-item:active {
    --bs-dropdown-link-active-color: var(--bs-light);
    --bs-dropdown-link-active-bg: var(--bs-black);
}

/* padding */

.padding-small {
    padding-top: 6.125em;
    padding-bottom: 6.125em;
}

.padding-medium {
    padding-top: 10em;
    padding-bottom: 10em;
}

.padding-large {
    padding-top: 12em;
    padding-bottom: 12em;
}

/* list group */

.list-group-item {
    --bs-list-group-item-padding-x: 0;
    --bs-list-group-border-width: 0;
}

/* btn */

.btn {
    --bs-btn-border-radius: 0;
}

.btn-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--bs-primary-dark);
    --bs-btn-hover-border-color: var(--bs-primary-dark);
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: var(--bs-secondary);
    --bs-btn-active-border-color: var(--bs-secondary);
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: var(--bs-primary);
    --bs-btn-disabled-border-color: var(--bs-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--bs-primary);
    --bs-btn-border-color: var(--bs-primary);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--bs-primary);
    --bs-btn-hover-border-color: var(--bs-primary);
    --bs-btn-focus-shadow-rgb: 13, 110, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: var(--bs-primary);
    --bs-btn-active-border-color: var(--bs-primary);
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: var(--bs-primary);
    --bs-btn-disabled-bg: transparent;
    --bs-btn-disabled-border-color: var(--bs-primary);
    --bs-gradient: none;
}

.pagination {
    --bs-pagination-active-bg: var(--bs-black);
    --bs-pagination-border-width: 0;
    --bs-pagination-border-radius: 0;
}

/* social-links */

.social-link.active,
.social-link.hover {
    color: var(--bs-gray);
    background-color: transparent;
}

/* breadcrumb */

.breadcrumb {
    --bs-breadcrumb-item-padding-x: 1em;
}

/* text white */

.text-secondary {
    --bs-text-opacity: 1;
    color: #666666 !important;
}

.text-white {
    --heading-color: var(--bs-light);
    --bs-breadcrumb-item-active-color: var(--bs-light);
    --bs-breadcrumb-divider-color: var(--bs-light);
    --bs-link-color-rgb: var(--bs-light-rgb);
    --bs-link-hover-color-rgb: var(--bs-light-rgb);
}

.text-white .nav-link {
    --bs-nav-link-color: var(--bs-light);
    --bs-nav-link-hover-color: var(--bs-light);
    --bs-nav-link-active-color: var(--bs-light);
    --bs-navbar-active-color: var(--bs-light);
}

/* accordion */

.accordion {
    --bs-accordion-border-width: 0;
    --bs-accordion-border-radius: 0;
    --bs-accordion-inner-border-radius: 0;
    --bs-accordion-btn-padding-x: 0;
    --bs-accordion-btn-padding-y: 1rem;
    --bs-accordion-btn-color: var(--bs-dark);
    --bs-accordion-btn-bg: transparent;
    --bs-accordion-btn-focus-border-color: var(--bs-dark);
    --bs-accordion-btn-focus-box-shadow: none;
    --bs-accordion-body-padding-x: 0;
    --bs-accordion-body-padding-y: 1rem;
    --bs-accordion-active-color: var(--bs-dark);
    --bs-accordion-active-bg: transparent;
}

.accordion-button {
    font-size: 1.2rem;
    border-bottom: 1px solid var(--bs-border-color);
}

/* form control */

.form-control:focus {
    border-color: #ccc;
    box-shadow: 0 0 0 0.25rem rgba(200, 200, 200, .25);
}

/* dark theme */

[data-bs-theme=dark] {
    color-scheme: dark;
    --heading-color: #fff;
    --bs-heading-color: #fff;
    --bs-link-color: #CCCCCC;
    --bs-link-hover-color: var(--bs-primary);
    --bs-link-color-rgb: 204, 204, 204;
    --bs-link-hover-color-rgb: 131, 169, 172;
    --bs-body-color: var(--bs-light);
    --bs-body-color-rgb: 241, 241, 240;
    --bs-body-bg: #111;
    --bs-body-bg-rgb: 17, 17, 41;
    color: var(--bs-gray);
}

[data-bs-theme=dark] .dropdown-item {
    --bs-dropdown-link-color: var(--bs-light);
    --bs-dropdown-link-hover-color: var(--bs-white);
}

[data-bs-theme=dark] .bg-white,
[data-bs-theme=dark] .bg-light {
    --bs-bg-opacity: 0.1;
}

/* end of Bootstrap Color Theme */

@media (min-width: 1200px) {
    .container,
    .container-lg,
    .container-md,
    .container-sm,
    .container-xl {
        max-width: 1440px;
    }
}

/* one page menu */

#one-page-menu .nav-link {
    position: relative;
    color: #111;
    font-size: 0.95rem;
    font-style: normal;
    font-weight: 400;
    line-height: 240%;
}

#one-page-menu .nav-link::before {
    content: '';
    position: absolute;
    bottom: -1px;
    background: var(--bs-dark);
    height: 1px;
    width: 0;
    transition: width 0.6s ease-out;
}

#one-page-menu .nav-link.active::before,
#one-page-menu .nav-link:hover::before {
    width: 100%;
}

/* toggle */

.btn-toggle {
    cursor: pointer;
}

.btn-toggle:hover,
.btn-toggle:focus {
    border-color: var(--bs-dark);
}

.btn-toggle::after {
    width: 0.8em;
    line-height: 0;
    content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%280,0,0,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
    transition: transform .35s ease;
    transform-origin: .5em 50%;
}

[data-bs-theme="dark"] .btn-toggle::before {
    content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%28255,255,255,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
}

.btn-toggle[aria-expanded="true"] {
    color: rgba(var(--bs-emphasis-color-rgb), .85);
}

.btn-toggle[aria-expanded="true"]::after {
    transform: rotate(90deg);
}

/* extra classes */

.display-xl {
    font-size: calc(3rem + 8.5vw);
    font-weight: var(--heading-font-weight);
    letter-spacing: -0.06em;
    line-height: var(--heading-line-height);
}

/* mobile menu */

/*----- Header Menu
--------------------------------------------------------------*/

.menu-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 26px;
    height: 26px;
    cursor: pointer;
    z-index: 9;
    margin: 20px;
    display: none;
}

.nav-active .menu-btn>span {
    transform: rotate(45deg);
}

.nav-active .menu-btn>span::before {
    top: 0;
    transform: rotate(0);
    background: var(--bs-dark);
}

.nav-active .menu-btn>span::after {
    top: 0;
    transform: rotate(90deg);
    background: var(--bs-dark);
}

/* animate menu icon */

.menu-btn>span,
.menu-btn>span::before,
.menu-btn>span::after {
    display: block;
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--bs-dark);
    transition-duration: .25s;
}

.menu-btn>span::before {
    content: '';
    top: -8px;
}

.menu-btn>span::after {
    content: '';
    top: 8px;
}

header {
    left: 0;
    top: 0;
}

@media (max-width: 991px) {
    /* mobile menu */
    header {
        transform: translate3d(-100%, 0, 0);
        transition: transform 0.3s ease-out;
        z-index: 8;
    }
    .nav-active header {
        transform: translate3d(0, 0, 0);
    }
    .menu-btn {
        display: block;
    }
}

/* ----------  potrait section  ----------  */

button.filter-button {
    border: none;
    background: transparent;
    font-size: 20px;
    color: var(--light-text-color);
    padding-right: 22px;
}

button.filter-button.active {
    color: var(--accent-color);
}

button.filter-button:hover {
    color: var(--accent-color);
}

img.portfolio-img {
    width: -webkit-fill-available;
}

.item {
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background-color: #ffffff;
}

.item img {
    display: block;
    width: 100%;
    height: auto;
    transition: 0.3s ease-in;
}

.item .description {
    z-index: 10;
    /* Ensure it's above the overlay */
    color: #fff;
    text-align: center;
    transition: all 0.5s ease-in-out;
    opacity: 0;
}

.item:hover .description {
    opacity: 1;
    /* Make text visible on hover */
}

.item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.item:hover .overlay {
    opacity: 1;
}

img {
    opacity: 1;
    transition: 0.3s ease-in;
}

.item:hover img {
    opacity: 0.6;
}

.item:hover .description {
    transform: translateY(-100px);
}

/* slide in */

.slide-in .swiper-slide .banner-content h2,
.slide-in .swiper-slide .banner-content p,
.slide-in .swiper-slide .banner-content .btn {
    display: inline-block;
    opacity: 0;
    transform: translate3d(0, 50px, 0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in .swiper-slide .banner-content h2 {
    transition-delay: 600ms;
}

.slide-in .swiper-slide .banner-content p {
    transition-delay: 800ms;
}

.slide-in .swiper-slide .banner-content .btn {
    transition-delay: 1000ms;
}

.slide-in .swiper-slide.swiper-slide-active .banner-content h2,
.slide-in .swiper-slide.swiper-slide-active .banner-content p,
.slide-in .swiper-slide.swiper-slide-active .banner-content .btn {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* swiper slide-clip */

.slide-clip .swiper-slide .image-holder img {
    transform: scale(1.2);
    transition: transform 1s ease-in-out;
}

.slide-clip .swiper-slide.swiper-slide-active .image-holder img {
    transform: scale(1);
}

.slide-clip .swiper-slide .image-holder {
    clip-path: inset(100% 0 0 0);
    display: block;
}

.slide-clip .swiper-slide.swiper-slide-active .image-holder {
    animation: 1s slide-clip forwards;
}

.slide-clip .swiper-slide.swiper-slide-prev .image-holder,
.slide-clip .swiper-slide.swiper-slide-next .image-holder {
    animation: 1s slide-down;
}

@keyframes slide-clip {
    0% {
        clip-path: inset(100% 0 0 0);
    }
    100% {
        clip-path: inset(0 0 0 0);
    }
}

@keyframes slide-down {
    0% {
        clip-path: inset(0 0 0 0);
    }
    100% {
        clip-path: inset(100% 0 0 0);
    }
}

/* swipe animation */

.swipe-up {
    clip-path: inset(0 0 100% 0);
    display: block;
}

.aos-animate .swipe-up {
    animation: 1s swipe-up forwards;
}

/*.down-leave-active { animation: 1s down-leave; }*/

@keyframes swipe-up {
    0% {
        clip-path: inset(0 0 100% 0);
    }
    100% {
        clip-path: inset(0);
    }
}

/* polygon */

.polygon {
    clip-path: polygon(0 0, 100% 0, 100% 20%, 100% 100%, 80% 100%, 20% 100%, 0 100%, 0% 20%);
}

.aos-animate .polygon {
    animation: 1s polygon forwards;
}

@keyframes polygon {
    0% {
        clip-path: polygon(0 0, 100% 0, 100% 20%, 100% 100%, 80% 100%, 20% 100%, 0 100%, 0% 20%);
    }
    100% {
        clip-path: polygon(20% 0%, 80% 0%, 100% 20%, 100% 80%, 80% 100%, 20% 100%, 0% 80%, 0% 20%);
    }
}

/* open-up */

.open-up {
    clip-path: inset(48% 34% 36% 35%);
}

.aos-animate.open-up {
    animation: 1s open-up forwards;
}

@keyframes open-up {
    0% {
        clip-path: inset(48% 34% 36% 35%);
    }
    100% {
        clip-path: inset(0% 0% 0% 0%);
    }
}

.swipe-up {
    --delay: 0.05s;
}

.swipe-up {
    animation-delay: 1s;
    /* animation-delay: data(swipe-delay); */
}

/* Text Effects */

.txt-fx {
    overflow: hidden;
    line-height: var(--heading-line-height);
}

.txt-fx.zoom {
    overflow: visible;
}

.txt-fx .word {
    overflow: hidden;
    transform-origin: 0 100%;
    display: inline-block;
    /* line-height: 1em; */
}

.txt-fx .letter {
    transform-origin: 0 100%;
    display: inline-block;
    /* line-height: 1em; */
}

.txt-fx {
    --delay: 50ms;
    --easing: cubic-bezier(.5, 0, .53, 1);
}

/* fade right */

.txt-fx.fade-right .letter {
    transform: translate3d(-50px, 0, 0);
    opacity: 0;
    transition: transform 0.6s var(--easing), opacity 0.6s var(--easing);
}

.aos-animate .txt-fx.fade-right .letter {
    transform: translate3d(0, 0, 0);
    opacity: 1;
}

/* slide up */

.txt-fx.slide-up .letter {
    transform: translate3d(0, 1.2em, 0);
    transition: transform 0.9s var(--easing);
}

.swiper-slide-active .txt-fx.slide-up .letter,
.aos-animate .txt-fx.slide-up .letter {
    transform: translate3d(0, 0, 0);
}

/* domino */

.txt-fx.domino .letter {
    transform-origin: 50% 0;
    transform: rotateY(90deg);
    transition: transform 0.9s var(--easing);
}

.swiper-slide-active .txt-fx.domino .letter,
.aos-animate .txt-fx.domino .letter {
    transform: rotateY(0);
}

/* zoom */

.txt-fx.zoom .letter {
    transform-origin: 50% 0;
    transform: scale(3);
    transition: transform 0.9s var(--easing);
}

.swiper-slide-active .txt-fx.zoom .letter,
.aos-animate .txt-fx.zoom .letter {
    transform: scale(1);
}

/* course-outcomes */

.bg-text {
    position: relative;
}

.bg-text:after {
    content: attr(data-text);
    position: absolute;
    right: -10%;
    bottom: 100px;
    font-weight: 400;
    font-size: 37.5rem;
    line-height: 70%;
    letter-spacing: -0.1em;
    color: #F1F1F1;
    z-index: -1;
}

@media only screen and (max-width: 768px) {
    .bg-text:after {
        right: 0;
    }
}

/* hovereffect */

.hovereffect {
    width: 100%;
    height: 100%;
    float: left;
    overflow: hidden;
    position: relative;
    text-align: center;
    cursor: default;
}

.hovereffect .overlay {
    width: 100%;
    position: absolute;
    overflow: hidden;
    left: 0;
    top: auto;
    bottom: 0;
    padding: 1em;
    height: 4.75em;
    color: #3c4a50;
    -webkit-transition: -webkit-transform 0.35s;
    transition: transform 0.35s;
    -webkit-transform: translate3d(0, 100%, 0);
    transform: translate3d(0, 100%, 0);
    visibility: hidden;
}

.hovereffect img {
    display: block;
    position: relative;
    -webkit-transition: -webkit-transform 0.35s;
    transition: transform 0.35s;
}

.hovereffect:hover img {
    -webkit-transform: translate3d(0, -10%, 0);
    transform: translate3d(0, -10%, 0);
}

.hovereffect h2 {
    text-transform: uppercase;
    text-align: center;
    position: relative;
    font-size: 17px;
    padding: 10px;
    color: #3c4a50;
    float: left;
    margin: 0px;
    display: inline-block;
}

.hovereffect a.info {
    display: inline-block;
    text-decoration: none;
    padding: 7px 14px;
    text-transform: uppercase;
    color: #fff;
    border: 1px solid #fff;
    margin: 50px 0 0 0;
    background-color: transparent;
}

.hovereffect a.info:hover {
    box-shadow: 0 0 5px #fff;
}

.hovereffect p.icon-links a {
    float: right;
    color: #3c4a50;
    font-size: 1.4em;
}

.hovereffect:hover p.icon-links a:hover,
.hovereffect:hover p.icon-links a:focus {
    color: #252d31;
}

.hovereffect h2,
.hovereffect p.icon-links a {
    -webkit-transition: -webkit-transform 0.35s;
    transition: transform 0.35s;
    -webkit-transform: translate3d(0, 200%, 0);
    transform: translate3d(0, 200%, 0);
    visibility: visible;
}

.hovereffect p.icon-links a span:before {
    display: inline-block;
    padding: 8px 10px;
    speak: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hovereffect:hover .overlay,
.hovereffect:hover h2,
.hovereffect:hover p.icon-links a {
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
}

.hovereffect:hover h2 {
    -webkit-transition-delay: 0.05s;
    transition-delay: 0.05s;
}

.hovereffect:hover p.icon-links a:nth-child(3) {
    -webkit-transition-delay: 0.1s;
    transition-delay: 0.1s;
}

.hovereffect:hover p.icon-links a:nth-child(2) {
    -webkit-transition-delay: 0.15s;
    transition-delay: 0.15s;
}

.hovereffect:hover p.icon-links a:first-child {
    -webkit-transition-delay: 0.2s;
    transition-delay: 0.2s;
}