/*-----------------------------------*\
  #style.css
\*-----------------------------------*/

/*-----------------------------------*\
  #CUSTOM PROPERTY
\*-----------------------------------*/

:root {

	/**
   * colors
   */

	/* Modern solid colors - no gradients */

	--bg-primary: hsl(220, 13%, 18%);
	--bg-secondary: hsl(220, 13%, 16%);
	--bg-tertiary: hsl(220, 13%, 14%);
	--border-primary: hsl(220, 13%, 24%);
	--border-secondary: hsl(220, 13%, 20%);

	/* solid */

	--jet: hsl(220, 13%, 24%);
	--onyx: hsl(220, 13%, 20%);
	--eerie-black-1: hsl(220, 13%, 16%);
	--eerie-black-2: hsl(220, 13%, 14%);
	--smoky-black: hsl(220, 13%, 12%);
	--white-1: hsl(0, 0%, 100%);
	--white-2: hsl(0, 0%, 95%);
	--accent-primary: hsl(220, 100%, 60%);
	--accent-secondary: hsl(220, 100%, 55%);
	--light-gray: hsl(220, 9%, 70%);
	--light-gray-70: hsla(220, 9%, 70%, 0.7);
	--text-muted: hsl(220, 9%, 55%);

	/**
   * typography
   */

	/* font-family */
	--ff-poppins: 'Poppins', sans-serif;

	/* font-size */
	--fs-1: 24px;
	--fs-2: 18px;
	--fs-3: 17px;
	--fs-4: 16px;
	--fs-5: 15px;
	--fs-6: 14px;
	--fs-7: 13px;
	--fs-7-5: 12px;
	--fs-8: 11px;

	/* font-weight */
	--fw-300: 300;
	--fw-400: 400;
	--fw-500: 500;
	--fw-600: 600;

	/**
   * shadow - modern minimal shadows
   */

	--shadow-1: 0 2px 8px hsla(0, 0%, 0%, 0.1);
	--shadow-2: 0 4px 12px hsla(0, 0%, 0%, 0.1);
	--shadow-3: 0 8px 16px hsla(0, 0%, 0%, 0.1);
	--shadow-4: 0 12px 24px hsla(0, 0%, 0%, 0.08);
	--shadow-5: 0 16px 32px hsla(0, 0%, 0%, 0.1);

	/**
   * transition
   */

	--transition-1: 0.25s ease;
	--transition-2: 0.5s ease-in-out;

}

/* Light theme variables */
[data-theme="light"] {
	/* Modern light theme colors */
	--bg-primary: hsl(0, 0%, 98%);
	--bg-secondary: hsl(0, 0%, 96%);
	--bg-tertiary: hsl(0, 0%, 94%);
	--border-primary: hsl(220, 13%, 85%);
	--border-secondary: hsl(220, 13%, 88%);

	/* solid */
	--jet: hsl(220, 13%, 85%);
	--onyx: hsl(220, 13%, 88%);
	--eerie-black-1: hsl(0, 0%, 96%);
	--eerie-black-2: hsl(0, 0%, 98%);
	--smoky-black: hsl(0, 0%, 98%);
	--white-1: hsl(220, 15%, 15%);
	--white-2: hsl(220, 15%, 20%);
	--light-gray: hsl(220, 9%, 40%);
	--light-gray-70: hsla(220, 9%, 40%, 0.7);
	--text-muted: hsl(220, 9%, 55%);

	/* shadows for light theme */
	--shadow-1: 0 2px 8px hsla(0, 0%, 0%, 0.04);
	--shadow-2: 0 4px 12px hsla(0, 0%, 0%, 0.04);
	--shadow-3: 0 8px 16px hsla(0, 0%, 0%, 0.04);
	--shadow-4: 0 12px 24px hsla(0, 0%, 0%, 0.03);
	--shadow-5: 0 16px 32px hsla(0, 0%, 0%, 0.04);
}





/*-----------------------------------*\
  #THEME TOGGLE
\*-----------------------------------*/

.theme-toggle {
	width: 40px;
	height: 40px;
	background: var(--bg-secondary);
	border: 1px solid var(--border-primary);
	border-radius: 50%;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 18px;
	color: var(--accent-primary);
	box-shadow: var(--shadow-2);
	transition: var(--transition-1);
	cursor: pointer;
	margin: 8px;
}

.theme-toggle:hover {
	background: var(--bg-tertiary);
	border-color: var(--accent-primary);
	transform: translateY(-1px);
	box-shadow: var(--shadow-3);
}

.theme-toggle .sun-icon,
.theme-toggle .moon-icon {
	position: absolute;
	transition: var(--transition-1);
}

.theme-toggle .sun-icon {
	opacity: 0;
	transform: rotate(180deg) scale(0.5);
}

.theme-toggle .moon-icon {
	opacity: 1;
	transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .sun-icon {
	opacity: 1;
	transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-toggle .moon-icon {
	opacity: 0;
	transform: rotate(-180deg) scale(0.5);
}

/*-----------------------------------*\
  #UTILITY CLASSES
\*-----------------------------------*/

.justify {
	text-align: justify;
}

/* Responsive adjustments */
@media (max-width: 450px) {
	.theme-toggle {
		width: 36px;
		height: 36px;
		font-size: 16px;
		margin: 6px;
	}

	.navbar-separator {
		height: 25px;
		margin: 0 10px;
	}

	/* Mobile timeline adjustments */
	.timeline-axis {
		left: 20px;
	}

	.timeline-item.education,
	.timeline-item.experience {
		justify-content: flex-start;
		padding-left: 50px;
		padding-right: 0;
	}

	.timeline-content {
		max-width: 100%;
	}

	.timeline-marker {
		left: 20px;
	}
}





/*-----------------------------------*\
  #RESET
\*-----------------------------------*/

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

a {
	text-decoration: none;
}

li {
	list-style: none;
}

img,
ion-icon,
a,
button,
time,
span {
	display: block;
}

button {
	font: inherit;
	background: none;
	border: none;
	text-align: left;
	cursor: pointer;
}

input,
textarea {
	display: block;
	width: 100%;
	background: none;
	font: inherit;
}

::selection {
	background: var(--accent-primary);
	color: var(--white-1);
}

:focus {
	outline-color: var(--accent-primary);
}

html {
	font-family: var(--ff-poppins);
}

body {
	background: var(--smoky-black);
}





/*-----------------------------------*\
  #REUSED STYLE
\*-----------------------------------*/

.sidebar,
article {
	background: var(--bg-secondary);
	border: 1px solid var(--border-primary);
	border-radius: 8px;
	padding: 24px;
	box-shadow: var(--shadow-1);
	z-index: 1;
}

.separator {
	width: 100%;
	height: 1px;
	background: var(--jet);
	margin: 16px 0;
}

.icon-box {
	position: relative;
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	width: 32px;
	height: 32px;
	border-radius: 6px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 16px;
	color: var(--accent-primary);
	box-shadow: var(--shadow-1);
	z-index: 1;
}

.icon-box ion-icon {
	--ionicon-stroke-width: 35px;
}

article {
	display: none;
}

article.active {
	display: block;
	animation: fade 0.5s ease backwards;
}

@keyframes fade {
	0% {
		opacity: 0;
	}

	100% {
		opacity: 1;
	}
}

.h2,
.h3,
.h4,
.h5 {
	color: var(--white-2);
	text-transform: capitalize;
}

.h2 {
	font-size: var(--fs-1);
}

.h3 {
	font-size: var(--fs-2);
}

.h4 {
	font-size: var(--fs-4);
}

.h5 {
	font-size: var(--fs-7);
	font-weight: var(--fw-500);
}

.article-title {
	position: relative;
	padding-bottom: 7px;
}

.article-title::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 32px;
	height: 3px;
	background: var(--accent-primary);
	border-radius: 2px;
}

.has-scrollbar::-webkit-scrollbar {
	width: 5px;
	/* for vertical scrollbar */
	height: 5px;
	/* for horizontal scrollbar */
}

.has-scrollbar::-webkit-scrollbar-track {
	background: var(--onyx);
	border-radius: 5px;
}

.has-scrollbar::-webkit-scrollbar-thumb {
	background: var(--accent-primary);
	border-radius: 4px;
}

.has-scrollbar::-webkit-scrollbar-button {
	width: 20px;
}

.content-card {
	position: relative;
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	padding: 20px;
	padding-top: 48px;
	border-radius: 8px;
	box-shadow: var(--shadow-2);
	cursor: pointer;
	z-index: 1;
	transition: var(--transition-1);
}

.content-card:hover {
	background: var(--bg-secondary);
	border-color: var(--border-primary);
	box-shadow: var(--shadow-3);
}





/*-----------------------------------*\
  #MAIN
\*-----------------------------------*/

main {
	margin: 15px 12px;
	margin-bottom: 75px;
	min-width: 259px;
}





/*-----------------------------------*\
  #SIDEBAR
\*-----------------------------------*/

.sidebar {
	margin-bottom: 15px;
	max-height: 112px;
	overflow: hidden;
	transition: var(--transition-2);
}

.sidebar.active {
	max-height: 405px;
}

.sidebar-info {
	position: relative;
	display: flex;
	justify-content: flex-start;
	align-items: center;
	gap: 15px;
}

.avatar-box {
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	border-radius: 50%;
	overflow: hidden;
}

.avatar-box img {
	width: 100px;
	height: 100px;
	object-fit: cover;
	border-radius: 50%;
}

.info-content .name {
	color: var(--white-2);
	font-size: var(--fs-3);
	font-weight: var(--fw-500);
	letter-spacing: -0.25px;
	margin-bottom: 10px;
}

.info-content .title {
	color: var(--light-gray);
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	font-size: var(--fs-7-5);
	font-weight: var(--fw-500);
	width: max-content;
	padding: 4px 12px;
	border-radius: 6px;
	text-align: center;
}

.info_more-btn {
	position: absolute;
	top: -12px;
	right: -12px;
	border-radius: 0 8px;
	font-size: 13px;
	color: var(--accent-primary);
	background: var(--bg-secondary);
	border: 1px solid var(--border-primary);
	padding: 8px 12px;
	box-shadow: var(--shadow-2);
	transition: var(--transition-1);
	z-index: 1;
}

.info_more-btn:hover,
.info_more-btn:focus {
	background: var(--bg-tertiary);
	border-color: var(--accent-primary);
	color: var(--accent-secondary);
}

.info_more-btn span {
	display: none;
}

.sidebar-info_more {
	opacity: 0;
	visibility: hidden;
	transition: var(--transition-2);
}

.sidebar.active .sidebar-info_more {
	opacity: 1;
	visibility: visible;
}

.contacts-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}

.contact-item {
	min-width: 100%;
	display: flex;
	align-items: center;
	gap: 16px;
}

.contact-info {
	max-width: calc(100% - 46px);
	width: calc(100% - 46px);
}

.contact-title {
	color: var(--light-gray-70);
	font-size: var(--fs-8);
	text-transform: uppercase;
	margin-bottom: 2px;
}

.contact-info :is(.contact-link, time, address) {
	color: var(--white-2);
	font-size: var(--fs-7);
}

.contact-info address {
	font-style: normal;
}

.social-list {
	display: flex;
	justify-content: flex-start;
	align-items: center;
	gap: 15px;
	padding-bottom: 4px;
	padding-left: 7px;
}

.social-item .social-link {
	color: var(--light-gray-70);
	font-size: 22px;
}


.social-item .social-link:hover {
	color: var(--light-gray);
}





/*-----------------------------------*\
  #NAVBAR
\*-----------------------------------*/

.navbar {
	position: fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	background: var(--bg-secondary);
	backdrop-filter: blur(10px);
	border: 1px solid var(--border-primary);
	border-radius: 8px 8px 0 0;
	box-shadow: var(--shadow-3);
	z-index: 5;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 15px;
}

.navbar-list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	padding: 0;
	margin: 0;
}

.navbar-link {
	color: var(--light-gray);
	font-size: var(--fs-8);
	padding: 20px 7px;
	transition: color var(--transition-1);
}

.navbar-link:hover,
.navbar-link:focus {
	color: var(--light-gray-70);
}

.navbar-link.active {
	color: var(--accent-primary);
}

.navbar-separator {
	width: 1px;
	height: 30px;
	background: var(--border-primary);
	margin: 0 15px;
}





/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about .article-title {
	margin-bottom: 15px;
}

.about-text {
	color: var(--light-gray);
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
	line-height: 1.6;
}

.about-text p {
	margin-bottom: 15px;
}



/**
 * #service 
 */

.service {
	margin-bottom: 35px;
}

.service-title {
	margin-bottom: 20px;
}

.service-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
}

.service-item {
	position: relative;
	background: var(--bg-secondary);
	border: 1px solid var(--border-secondary);
	padding: 24px;
	border-radius: 8px;
	box-shadow: var(--shadow-2);
	z-index: 1;
	transition: var(--transition-1);
}

.service-item:hover {
	background: var(--bg-primary);
	border-color: var(--border-primary);
	box-shadow: var(--shadow-3);
	transform: translateY(-2px);
}

.service-icon-box {
	margin-bottom: 10px;
}

.service-icon-box img {
	margin: auto;
}

.service-content-box {
	text-align: center;
}

.service-item-title {
	margin-bottom: 7px;
}

.service-item-text {
	color: var(--light-gray);
	font-size: var(--fs-6);
	font-weight: var(--fw-3);
	line-height: 1.6;
}


/**
 * #testimonials 
 */

.testimonials {
	margin-bottom: 30px;
}

.testimonials-title {
	margin-bottom: 20px;
}

.testimonials-list {
	display: flex;
	justify-content: flex-start;
	align-items: flex-start;
	gap: 15px;
	margin: 0 -15px;
	padding: 25px 15px;
	padding-bottom: 35px;
	overflow-x: auto;
	scroll-behavior: smooth;
	overscroll-behavior-inline: contain;
	scroll-snap-type: inline mandatory;
}

.testimonials-item {
	min-width: 100%;
	scroll-snap-align: center;
}

.testimonials-avatar-box {
	position: absolute;
	top: 0;
	left: 0;
	transform: translate(15px, -25px);
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	border-radius: 8px;
	box-shadow: var(--shadow-1);
}

.testimonials-item-title {
	margin-bottom: 7px;
}

.testimonials-text {
	color: var(--light-gray);
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
	line-height: 1.6;
	display: -webkit-box;
	line-clamp: 4;
	-webkit-line-clamp: 4;
	-webkit-box-orient: vertical;
	overflow: hidden;
}


/**
 * #testimonials-modal
 */

.modal-container {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
	overflow-y: auto;
	overscroll-behavior: contain;
	z-index: 20;
	pointer-events: none;
	visibility: hidden;
}

.modal-container::-webkit-scrollbar {
	display: none;
}

.modal-container.active {
	pointer-events: all;
	visibility: visible;
}

.overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background: hsl(0, 0%, 5%);
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	z-index: 1;
	transition: var(--transition-1);
}

.overlay.active {
	opacity: 0.8;
	visibility: visible;
	pointer-events: all;
}

.testimonials-modal {
	background: var(--bg-secondary);
	position: relative;
	padding: 24px;
	margin: 15px 12px;
	border: 1px solid var(--border-primary);
	border-radius: 8px;
	box-shadow: var(--shadow-5);
	transform: scale(1.2);
	opacity: 0;
	transition: var(--transition-1);
	z-index: 2;
}

.modal-container.active .testimonials-modal {
	transform: scale(1);
	opacity: 1;
}

.modal-close-btn {
	position: absolute;
	top: 16px;
	right: 16px;
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	border-radius: 6px;
	width: 32px;
	height: 32px;
	display: flex;
	justify-content: center;
	align-items: center;
	color: var(--white-2);
	font-size: 18px;
	opacity: 0.8;
	transition: var(--transition-1);
}

.modal-close-btn:hover,
.modal-close-btn:focus {
	opacity: 1;
	background: var(--bg-secondary);
	border-color: var(--border-primary);
}

.modal-close-btn ion-icon {
	--ionicon-stroke-width: 50px;
}

.modal-avatar-box {
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	width: max-content;
	border-radius: 8px;
	margin-bottom: 16px;
	box-shadow: var(--shadow-2);
}

.modal-img-wrapper>img {
	display: none;
}

.modal-title {
	margin-bottom: 4px;
}

.modal-content time {
	font-size: var(--fs-6);
	color: var(--light-gray-70);
	font-weight: var(--fw-300);
	margin-bottom: 10px;
}

.modal-content p {
	color: var(--light-gray);
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
	line-height: 1.6;
}


/**
 * #affiliations 
 */

.affiliations {
	margin-bottom: 15px;
}

.affiliations-list {
	display: flex;
	justify-content: flex-start;
	align-items: flex-start;
	gap: 15px;
	margin: 0 -15px;
	padding: 25px;
	padding-bottom: 25px;
	overflow-x: auto;
	scroll-behavior: smooth;
	overscroll-behavior-inline: contain;
	scroll-snap-type: inline mandatory;
	scroll-padding-inline: 25px;
}

.affiliations-item {
	min-width: 50%;
	scroll-snap-align: start;
}

.affiliations-item img {
	width: 200px;
	/* filter: grayscale(1); */
	transition: var(--transition-1);
}

/* .affiliations-item img:hover {
	filter: grayscale(0);
} */





/*-----------------------------------*\
  #RESUME
\*-----------------------------------*/

.article-title {
	margin-bottom: 30px;
}


/**
 * education and experience 
 */

.timeline {
	margin-bottom: 30px;
}

.timeline .title-wrapper {
	display: flex;
	align-items: center;
	gap: 15px;
	margin-bottom: 25px;
}

.timeline-list {
	font-size: var(--fs-6);
	margin-left: 45px;
}

.timeline-item {
	position: relative;
}

.timeline-item:not(:last-child) {
	margin-bottom: 20px;
}

.timeline-item-title {
	font-size: var(--fs-6);
	line-height: 1.3;
	margin-bottom: 7px;
}

.timeline-list span {
	color: var(--vegas-gold);
	font-weight: var(--fw-400);
	line-height: 1.6;
}

.timeline-text {
	color: var(--light-gray);
	font-weight: var(--fw-300);
	line-height: 1.6;
}


/**
 * skills 
 */

.skills-title {
	margin-bottom: 20px;
}

.skills-list {
	padding: 20px;
}


.skills-item:not(:last-child) {
	margin-bottom: 15px;
}

.skill .title-wrapper {
	display: flex;
	align-items: center;
	gap: 5px;
	margin-bottom: 8px;
}

.skill .title-wrapper data {
	color: var(--light-gray);
	font-size: var(--fs-7);
	font-weight: var(--fw-300);
}

.skill-progress-bg {
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	width: 100%;
	height: 6px;
	border-radius: 3px;
}

.skill-progress-fill {
	background: var(--accent-primary);
	height: 100%;
	border-radius: inherit;
}





/*-----------------------------------*\
  #PORTFOLIO
\*-----------------------------------*/

.filter-list {
	display: none;
}

.filter-select-box {
	position: relative;
	margin-bottom: 25px;
}

.filter-select {
	background: var(--bg-secondary);
	color: var(--light-gray);
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: 12px 16px;
	border: 1px solid var(--border-primary);
	border-radius: 8px;
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
	transition: var(--transition-1);
}

.filter-select:hover {
	background: var(--bg-tertiary);
	border-color: var(--accent-primary);
}

.filter-select.active .select-icon {
	transform: rotate(0.5turn);
}

.select-list {
	background: var(--bg-secondary);
	position: absolute;
	top: calc(100% + 6px);
	width: 100%;
	padding: 8px;
	border: 1px solid var(--border-primary);
	border-radius: 8px;
	box-shadow: var(--shadow-3);
	z-index: 2;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition: 0.15s ease-in-out;
}

.filter-select.active+.select-list {
	opacity: 1;
	visibility: visible;
	pointer-events: all;
}

.select-item button {
	background: var(--bg-secondary);
	color: var(--light-gray);
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
	text-transform: capitalize;
	width: 100%;
	padding: 8px 12px;
	border-radius: 6px;
	transition: var(--transition-1);
}

.select-item button:hover {
	background: var(--bg-tertiary);
	color: var(--white-2);
}

.project-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 30px;
	margin-bottom: 10px;
}

.project-item {
	display: none;
}

.project-item.active {
	display: block;
	animation: scaleUp 0.25s ease forwards;
}

@keyframes scaleUp {
	0% {
		transform: scale(0.5);
	}

	100% {
		transform: scale(1);
	}
}

.project-item>a {
	width: 100%;
}

.project-img {
	position: relative;
	width: 100%;
	height: 200px;
	border-radius: 8px;
	overflow: hidden;
	margin-bottom: 16px;
}

.project-img::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: transparent;
	z-index: 1;
	transition: var(--transition-1);
}

.project-item>a:hover .project-img::before {
	background: hsla(0, 0%, 0%, 0.5);
}

.project-item-icon-box {
	--scale: 0.8;

	background: var(--bg-secondary);
	border: 1px solid var(--border-primary);
	color: var(--accent-primary);
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%) scale(var(--scale));
	font-size: 20px;
	padding: 16px;
	border-radius: 8px;
	opacity: 0;
	z-index: 1;
	transition: var(--transition-1);
}

.project-item>a:hover .project-item-icon-box {
	--scale: 1;
	opacity: 1;
}

.project-item-icon-box ion-icon {
	--ionicon-stroke-width: 50px;
}

.project-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: var(--transition-1);
}

.project-item>a:hover img {
	transform: scale(1.1);
}

.project-title,
.project-category {
	margin-left: 10px;
}

.project-title {
	color: var(--white-2);
	font-size: var(--fs-5);
	font-weight: var(--fw-400);
	text-transform: capitalize;
	line-height: 1.3;
}

.project-category {
	color: var(--light-gray-70);
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
}





/*-----------------------------------*\
  #RESEARCH
\*-----------------------------------*/

.section-subtitle {
	color: var(--white-2);
	font-size: var(--fs-3);
	margin-bottom: 20px;
	margin-top: 30px;
}

.current-research {
	margin-bottom: 40px;
}

.current-research-card {
	text-align: center;
	padding: 32px 24px;
}

.current-research-card .icon-box {
	margin: 0 auto 16px;
	font-size: 24px;
}

.current-research-card h4 {
	font-size: var(--fs-4);
}

.research-papers {
	margin-bottom: 10px;
}

.research-papers-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 20px;
}

.research-paper-item {
	position: relative;
}

.research-card {
	position: relative;
	background: var(--bg-secondary);
	border: 1px solid var(--border-primary);
	height: 100%;
	box-shadow: var(--shadow-2);
	border-radius: 16px;
	z-index: 1;
	transition: var(--transition-1);
	overflow: hidden;
	cursor: pointer;
}

.research-card:hover {
	background: var(--bg-tertiary);
	border-color: var(--accent-primary);
	box-shadow: var(--shadow-3);
	transform: translateY(-2px);
}

.research-banner-box {
	width: 100%;
	height: 200px;
	border-radius: 16px 16px 0 0;
	overflow: hidden;
}

.research-banner-box img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: var(--transition-1);
}

.research-card:hover .research-banner-box img {
	transform: scale(1.1);
}

.research-content {
	padding: 20px;
}

.research-title {
	margin-bottom: 12px;
	line-height: 1.3;
	transition: var(--transition-1);
}

.research-card:hover .research-title {
	color: var(--accent-primary);
}

.research-meta {
	display: flex;
	justify-content: flex-start;
	align-items: center;
	gap: 7px;
	margin-bottom: 12px;
}

.research-meta :is(.research-publication, time) {
	color: var(--light-gray-70);
	font-size: var(--fs-7);
	font-weight: var(--fw-300);
}

.research-meta .dot {
	background: var(--light-gray-70);
	width: 4px;
	height: 4px;
	border-radius: 4px;
}

.research-authors {
	margin-bottom: 15px;
}

.research-authors p {
	color: var(--light-gray);
	font-size: var(--fs-7);
	font-weight: var(--fw-300);
}

.abstract-toggle {
	display: flex;
	align-items: center;
	gap: 8px;
	color: var(--accent-primary);
	font-size: var(--fs-7);
	font-weight: var(--fw-500);
	margin-bottom: 15px;
	transition: var(--transition-1);
	cursor: pointer;
}

.abstract-toggle:hover {
	color: var(--accent-secondary);
}

.abstract-toggle ion-icon {
	font-size: 16px;
	transition: var(--transition-1);
}

.abstract-toggle.active ion-icon {
	transform: rotate(180deg);
}

.research-abstract {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease-out;
}

.research-abstract.active {
	max-height: 200px;
	transition: max-height 0.3s ease-in;
}

.research-abstract p {
	color: var(--light-gray);
	font-size: var(--fs-6);
	font-weight: var(--fw-300);
	line-height: 1.6;
	text-align: justify;
	padding-top: 10px;
	border-top: 1px solid var(--border-secondary);
}

/* Research overlay styles */
.research-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100vh;
	background: rgba(0, 0, 0, 0.7);
	backdrop-filter: blur(2px);
	z-index: 100;
	opacity: 0;
	visibility: hidden;
	transition: var(--transition-1);
}

.research-overlay.active {
	opacity: 1;
	visibility: visible;
}

.research-overlay-active {
	overflow: hidden;
}

.research-card.expanded-overlay {
	position: fixed;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	z-index: 101;
	max-width: 90vw;
	height: 100vh;
	overflow-y: auto;
	box-shadow: var(--shadow-5);
	animation: expandCard 0.3s ease-out forwards;
	cursor: default;
}

@keyframes expandCard {
	0% {
		transform: translate(-50%, -50%) scale(0.9);
		opacity: 0;
	}

	100% {
		transform: translate(-50%, -50%) scale(1);
		opacity: 1;
	}
}

.research-card.expanded-overlay .research-abstract {
	max-height: none;
	transition: none;
}

.research-card.expanded-overlay .research-abstract.active {
	max-height: 60vh;
	overflow: auto;
}

.research-close-btn {
	position: absolute;
	top: 16px;
	right: 16px;
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	border-radius: 6px;
	width: 32px;
	height: 32px;
	display: none;
	justify-content: center;
	align-items: center;
	color: var(--white-2);
	font-size: 18px;
	z-index: 102;
	transition: var(--transition-1);
	cursor: pointer;
}

.research-close-btn:hover {
	background: var(--bg-secondary);
	border-color: var(--accent-primary);
	color: var(--accent-primary);
}

.research-card.expanded-overlay .research-close-btn {
	display: flex;
}

.abstract-header {
	display: none;
	margin-bottom: 10px;
	color: var(--white-2);
}

.research-card.expanded-overlay .abstract-header {
	display: block;
}

.research-card.expanded-overlay .abstract-toggle {
	display: none;
}

.get-paper-btn {
	display: none;
	width: 100%;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 16px;
	margin-top: 16px;
	background: var(--eerie-black-1);
	color: var(--white-1);
	font-size: var(--fs-7);
	font-weight: var(--fw-500);
	border-radius: 8px;
	border: 2px solid var(--border-primary);
	text-decoration: none;
	transition: var(--transition-1);
}

.research-card.expanded-overlay .get-paper-btn {
	display: flex;
}

.get-paper-btn:hover {
	background: var(--white-1);
	color: var(--eerie-black-1);
	transform: translateY(-2px);
	box-shadow: var(--shadow-2);
}

.get-paper-btn ion-icon {
	font-size: 16px;
}

/* Research overlay responsive styles */
@media (min-width: 768px) {
	.research-card.expanded-overlay {
		max-width: 70vw;
		max-height: 80vh;
	}
}

@media (min-width: 1024px) {
	.research-card.expanded-overlay {
		max-width: 60vw;
		max-height: 80vh;
	}
}





/*-----------------------------------*\
  #CONTACT
\*-----------------------------------*/

.mapbox {
	position: relative;
	height: 250px;
	width: 100%;
	border-radius: 8px;
	margin-bottom: 32px;
	border: 1px solid var(--border-primary);
	overflow: hidden;
}

.mapbox figure {
	height: 100%;
}

.mapbox iframe {
	width: 100%;
	height: 100%;
	border: none;
	filter: grayscale(1) invert(1);
}

.contact-info-section {
	margin-bottom: 10px;
}

.contact-info-section .h3 {
	margin-bottom: 30px;
	text-align: center;
}

.contact-info-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
}

.email-cards-wrapper {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
	width: 100%;
}

.contact-info-item {
	display: flex;
	align-items: flex-start;
	gap: 20px;
	background: var(--bg-tertiary);
	border: 1px solid var(--border-secondary);
	padding: 20px;
	border-radius: 8px;
	box-shadow: var(--shadow-2);
	transition: var(--transition-1);
}

.contact-info-item:hover {
	background: var(--bg-secondary);
	border-color: var(--border-primary);
	box-shadow: var(--shadow-3);
	transform: translateY(-2px);
}

.contact-info-content {
	flex: 1;
}

.contact-info-title {
	color: var(--light-gray-70);
	font-size: var(--fs-8);
	text-transform: uppercase;
	margin-bottom: 8px;
	letter-spacing: 0.5px;
}

.contact-info-link {
	color: var(--white-2);
	font-size: var(--fs-6);
	font-weight: var(--fw-400);
	transition: var(--transition-1);
}

.contact-info-link:hover {
	color: var(--accent-primary);
}

.contact-info-text {
	color: var(--white-2);
	font-size: var(--fs-6);
	font-weight: var(--fw-400);
	line-height: 1.6;
	font-style: normal;
}

.contact-form {
	margin-bottom: 10px;
}

.form-title {
	margin-bottom: 20px;
}

.input-wrapper {
	display: grid;
	grid-template-columns: 1fr;
	gap: 25px;
	margin-bottom: 25px;
}

.form-input {
	color: var(--white-2);
	font-size: var(--fs-6);
	font-weight: var(--fw-400);
	padding: 14px 16px;
	border: 1px solid var(--border-primary);
	border-radius: 8px;
	background: var(--bg-tertiary);
	outline: none;
	transition: var(--transition-1);
}

.form-input:focus {
	border-color: var(--accent-primary);
	background: var(--bg-secondary);
	box-shadow: 0 0 0 3px hsla(220, 100%, 60%, 0.1);
}

textarea.form-input {
	min-height: 100px;
	height: 120px;
	max-height: 200px;
	resize: vertical;
	margin-bottom: 25px;
}

textarea.form-input::-webkit-resizer {
	display: none;
}

.form-input::placeholder {
	font-weight: var(--fw-400);
	color: var(--text-muted);
}

.form-input:focus:invalid {
	border-color: hsl(0, 65%, 55%);
}

.form-btn {
	position: relative;
	width: 100%;
	background: var(--accent-primary);
	color: var(--white-1);
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 10px;
	padding: 14px 24px;
	border-radius: 8px;
	border: 1px solid var(--accent-primary);
	font-size: var(--fs-6);
	font-weight: var(--fw-500);
	text-transform: capitalize;
	box-shadow: var(--shadow-2);
	z-index: 1;
	transition: var(--transition-1);
}

.form-btn:hover {
	background: var(--accent-secondary);
	border-color: var(--accent-secondary);
	box-shadow: var(--shadow-3);
}

.form-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	background: var(--bg-tertiary);
	color: var(--text-muted);
	border-color: var(--border-secondary);
}

.form-btn:disabled:hover {
	background: var(--bg-tertiary);
	border-color: var(--border-secondary);
	box-shadow: var(--shadow-2);
}

.form-btn ion-icon {
	font-size: 16px;
}





/*-----------------------------------*\
  #RESPONSIVE
\*-----------------------------------*/

/**
 * responsive larger than 450px screen
 */

@media (min-width: 450px) {

	/**
   * client
   */

	.affiliations-item {
		min-width: calc(33.33% - 10px);
	}



	/**
   * #PORTFOLIO, BLOG 
   */

	.project-img,
	.research-banner-box {
		height: auto;
	}

}





/**
 * responsive larger than 580px screen
 */

@media (min-width: 580px) {

	/**
   * CUSTOM PROPERTY
   */

	:root {

		/**
     * typography
     */

		--fs-1: 32px;
		--fs-2: 24px;
		--fs-3: 26px;
		--fs-4: 18px;
		--fs-6: 15px;
		--fs-7: 15px;
		--fs-8: 12px;

	}



	/**
   * #REUSED STYLE
   */

	.sidebar,
	article {
		width: 520px;
		margin-inline: auto;
		padding: 30px;
	}

	.article-title {
		font-weight: var(--fw-600);
		padding-bottom: 15px;
	}

	.article-title::after {
		width: 40px;
		height: 5px;
	}

	.icon-box {
		width: 48px;
		height: 48px;
		border-radius: 12px;
		font-size: 18px;
	}



	/**
   * #MAIN
   */

	main {
		margin-top: 60px;
		margin-bottom: 100px;
	}



	/**
   * #SIDEBAR
   */

	.sidebar {
		max-height: 180px;
		margin-bottom: 30px;
	}

	.sidebar.active {
		max-height: 584px;
	}

	.sidebar-info {
		gap: 25px;
	}

	.avatar-box {
		border-radius: 50%;
	}

	.avatar-box img {
		width: 160px;
		height: 160px;
	}

	.info-content .name {
		margin-bottom: 15px;
	}

	.info-content .title {
		padding: 5px 18px;
	}

	.info_more-btn {
		top: -30px;
		right: -30px;
		padding: 10px 15px;
	}

	.info_more-btn span {
		display: block;
		font-size: var(--fs-8);
	}

	.info_more-btn ion-icon {
		display: none;
	}

	.separator {
		margin: 32px 0;
	}

	.contacts-list {
		gap: 20px;
	}

	.contact-info {
		max-width: calc(100% - 64px);
		width: calc(100% - 64px);
	}



	/**
   * #NAVBAR
   */

	.navbar {
		border-radius: 20px 20px 0 0;
	}

	.navbar-list {
		gap: 20px;
	}

	.navbar-link {
		--fs-8: 14px;
	}



	/**
   * #ABOUT
   */

	.about .article-title {
		margin-bottom: 20px;
	}

	.about-text {
		margin-bottom: 40px;
	}

	/* service */

	.service-item {
		display: flex;
		justify-content: flex-start;
		align-items: flex-start;
		gap: 18px;
		padding: 30px;
	}

	.service-icon-box {
		margin-bottom: 0;
		margin-top: 5px;
	}

	.service-content-box {
		text-align: left;
	}

	/* testimonials */

	.testimonials-title {
		margin-bottom: 25px;
	}

	.testimonials-list {
		gap: 30px;
		margin: 0 -30px;
		padding: 30px;
		padding-bottom: 35px;
	}

	.content-card {
		padding: 30px;
		padding-top: 25px;
	}

	.testimonials-avatar-box {
		transform: translate(30px, -30px);
		border-radius: 20px;
	}

	.testimonials-avatar-box img {
		width: 80px;
	}

	.testimonials-item-title {
		margin-bottom: 10px;
		margin-left: 95px;
	}

	.testimonials-text {
		line-clamp: 2;
		-webkit-line-clamp: 2;
	}

	/* testimonials modal */

	.modal-container {
		padding: 20px;
	}

	.testimonials-modal {
		display: flex;
		justify-content: flex-start;
		align-items: stretch;
		gap: 25px;
		padding: 30px;
		border-radius: 20px;
	}

	.modal-img-wrapper {
		display: flex;
		flex-direction: column;
		align-items: center;
	}

	.modal-avatar-box {
		border-radius: 18px;
		margin-bottom: 0;
	}

	.modal-avatar-box img {
		width: 65px;
	}

	.modal-img-wrapper>img {
		display: block;
		flex-grow: 1;
		width: 35px;
	}

	/* affiliations */

	.affiliations-list {
		gap: 50px;
		margin: 0 -30px;
		padding: 45px;
		scroll-padding-inline: 45px;
	}

	.affiliations-item {
		min-width: calc(33.33% - 35px);
	}



	/**
   * #RESUME
   */

	.timeline-list {
		margin-left: 65px;
	}

	.timeline-item:not(:last-child)::before {
		left: -40px;
	}

	.timeline-item::after {
		height: 8px;
		width: 8px;
		left: -43px;
	}

	.skills-item:not(:last-child) {
		margin-bottom: 25px;
	}



	/**
   * #PORTFOLIO, BLOG
   */

	.project-img {
		border-radius: 16px;
	}

	.research-banner-box {
		border-radius: 16px 16px 0 0;
	}

	.research-papers-list {
		gap: 30px;
	}

	.research-content {
		padding: 25px;
	}



	/**
   * #CONTACT
   */

	.mapbox {
		height: 380px;
		border-radius: 18px;
	}

	.email-cards-wrapper {
		grid-template-columns: repeat(2, 1fr);
	}

	.input-wrapper {
		gap: 30px;
		margin-bottom: 30px;
	}

	.form-input {
		padding: 15px 20px;
	}

	textarea.form-input {
		margin-bottom: 30px;
	}

	.form-btn {
		--fs-6: 16px;
		padding: 16px 20px;
	}

	.form-btn ion-icon {
		font-size: 18px;
	}

}





/**
 * responsive larger than 768px screen
 */

@media (min-width: 768px) {

	/**
   * REUSED STYLE
   */

	.sidebar,
	article {
		width: 700px;
	}

	.has-scrollbar::-webkit-scrollbar-button {
		width: 100px;
	}



	/**
   * SIDEBAR
   */

	.contacts-list {
		grid-template-columns: 1fr 1fr;
		gap: 30px 15px;
	}



	/**
   * NAVBAR
   */

	.navbar-link {
		--fs-8: 15px;
	}



	/**
   * ABOUT
   */

	/* testimonials modal */

	.testimonials-modal {
		gap: 35px;
		max-width: 680px;
	}

	.modal-avatar-box img {
		width: 80px;
	}



	/**
   * PORTFOLIO
   */

	.article-title {
		padding-bottom: 20px;
	}

	.filter-select-box {
		display: none;
	}

	.filter-list {
		display: flex;
		justify-content: flex-start;
		align-items: center;
		gap: 25px;
		padding-left: 5px;
		margin-bottom: 30px;
	}

	.filter-item button {
		color: var(--light-gray);
		font-size: var(--fs-5);
		transition: var(--transition-1);
	}

	.filter-item button:hover {
		color: var(--light-gray-70);
	}

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

	/* portfolio and blog grid */

	.project-list,
	.research-papers-list {
		grid-template-columns: 1fr 1fr;
	}



	/**
   * CONTACT
   */

	.input-wrapper {
		grid-template-columns: 1fr 1fr;
	}

	.form-btn {
		width: max-content;
		margin-left: auto;
	}

}





/**
 * responsive larger than 1024px screen
 */

@media (min-width: 1024px) {

	/**
   * CUSTOM PROPERTY
   */

	:root {

		/**
    * shadow
    */

		--shadow-1: -4px 8px 24px hsla(0, 0%, 0%, 0.125);
		--shadow-2: 0 16px 30px hsla(0, 0%, 0%, 0.125);
		--shadow-3: 0 16px 40px hsla(0, 0%, 0%, 0.125);

	}



	/**
   * REUSED STYLE
   */

	.sidebar,
	article {
		width: 950px;
		box-shadow: var(--shadow-5);
	}



	/**
   * MAIN 
   */

	main {
		margin-bottom: 60px;
	}

	.main-content {
		position: relative;
		width: max-content;
		margin: auto;
	}



	/**
   * NAVBAR
   */

	.navbar {
		position: absolute;
		bottom: auto;
		top: 0;
		left: auto;
		right: 0;
		width: max-content;
		border-radius: 0 8px;
		padding: 0 20px;
		box-shadow: none;
	}

	.navbar-list {
		gap: 30px;
		padding: 0 20px;
	}

	.navbar-link {
		font-weight: var(--fw-500);
	}



	/**
   * ABOUT
   */

	/* service */

	.service-list {
		grid-template-columns: 1fr 1fr;
		gap: 20px 25px;
	}

	/* testimonials */

	.testimonials-item {
		min-width: calc(50% - 15px);
	}

	/* affiliations */

	.affiliations-item {
		min-width: calc(25% - 38px);
	}



	/**
   * PORTFOLIO
   */

	.project-list {
		grid-template-columns: repeat(3, 1fr);
	}



	/**
   * RESEARCH
   */

	.research-banner-box {
		height: 230px;
	}

}





/**
 * responsive larger than 1250px screen
 */

@media (min-width: 1250px) {

	/**
   * RESET
   */

	body::-webkit-scrollbar {
		width: 20px;
	}

	body::-webkit-scrollbar-track {
		background: var(--smoky-black);
	}

	body::-webkit-scrollbar-thumb {
		border: 5px solid var(--smoky-black);
		background: hsla(0, 0%, 100%, 0.1);
		border-radius: 20px;
		box-shadow: inset 1px 1px 0 hsla(0, 0%, 100%, 0.11),
			inset -1px -1px 0 hsla(0, 0%, 100%, 0.11);
	}

	body::-webkit-scrollbar-thumb:hover {
		background: hsla(0, 0%, 100%, 0.15);
	}

	body::-webkit-scrollbar-button {
		height: 60px;
	}



	/**
   * REUSED STYLE
   */

	.sidebar,
	article {
		width: auto;
	}

	article {
		min-height: 100%;
	}



	/**
   * MAIN
   */

	main {
		max-width: 1250px;
		margin-inline: auto;
		display: flex;
		justify-content: center;
		align-items: stretch;
		gap: 25px;
	}

	.main-content {
		min-width: 75%;
		width: 75%;
		margin: 0;
	}



	/**
   * SIDEBAR
   */

	.sidebar {
		position: sticky;
		top: 60px;
		max-height: max-content;
		height: 100%;
		margin-bottom: 0;
		padding-top: 60px;
		z-index: 1;
	}

	.sidebar-info {
		flex-direction: column;
	}

	.avatar-box img {
		width: 180px;
		height: 180px;
	}

	.info-content .name {
		white-space: nowrap;
		text-align: center;
	}

	.info-content .title {
		margin: auto;
	}

	.info_more-btn {
		display: none;
	}

	.sidebar-info_more {
		opacity: 1;
		visibility: visible;
	}

	.contacts-list {
		grid-template-columns: 1fr;
	}

	.contact-info :is(.contact-link) {
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
	}

	.contact-info :is(.contact-link, time, address) {
		--fs-7: 14px;
		font-weight: var(--fw-300);
	}

	.separator:last-of-type {
		margin: 15px 0;
		opacity: 0;
	}

	.social-list {
		justify-content: center;
	}



	/**
	 * RESUME
	 */

	.timeline-text {
		max-width: 700px;
	}

	/**
	 * UNIFIED TIMELINE
	 */

	.timeline-unified {
		position: relative;
		margin-bottom: 35px;
	}

	.timeline-container {
		position: relative;
		padding: 40px 0;
		min-height: 400px;
	}

	/* Central timeline axis */
	.timeline-axis {
		position: absolute;
		left: 50%;
		top: 0;
		bottom: 0;
		width: 3px;
		background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
		transform: translateX(-50%);
		border-radius: 2px;
		box-shadow: 0 0 10px hsla(var(--accent-primary-hsl), 0.3);
	}

	/* Timeline items */
	.timeline-item {
		position: relative;
		display: flex;
		align-items: center;
		margin-bottom: 60px;
		width: 100%;
	}

	/* Education items (left side) */
	.timeline-item.education {
		justify-content: flex-end;
		padding-right: calc(50% + 30px);
	}

	/* Experience items (right side) */
	.timeline-item.experience {
		justify-content: flex-start;
		padding-left: calc(50% + 30px);
	}

	/* Timeline content cards */
	.timeline-content {
		max-width: 320px;
		width: 100%;
	}

	.timeline-card {
		background: var(--bg-tertiary);
		border: 1px solid var(--border-secondary);
		border-radius: 10px;
		padding: 18px;
		box-shadow: var(--shadow-2);
		transition: var(--transition-1);
		position: relative;
		cursor: pointer;
	}

	/* Card hover effects */
	.timeline-card:hover {
		background: var(--bg-secondary);
		border-color: var(--border-primary);
		box-shadow: var(--shadow-4);
		transform: translateY(-3px);
	}

	/* Color-coded left borders */
	.education .timeline-card {
		border-left: 4px solid var(--accent-primary);
	}

	.experience .timeline-card {
		border-left: 4px solid var(--accent-secondary);
	}

	/* Timeline markers */
	.timeline-marker {
		position: absolute;
		left: 50%;
		top: 50%;
		width: 16px;
		height: 16px;
		border-radius: 50%;
		transform: translate(-50%, -50%);
		border: 3px solid var(--bg-secondary);
		box-shadow: var(--shadow-2);
		z-index: 2;
	}

	.education-marker {
		background: var(--accent-primary);
	}

	.experience-marker {
		background: var(--accent-secondary);
	}

	/* Timeline content styling */
	.timeline-item-title {
		color: var(--white-2);
		font-size: var(--fs-5);
		font-weight: var(--fw-500);
		margin-bottom: 4px;
		line-height: 1.3;
	}

	.timeline-institution {
		color: var(--light-gray);
		font-size: var(--fs-7-5);
		font-weight: var(--fw-400);
		margin-bottom: 6px;
	}

	.timeline-date {
		color: var(--accent-primary);
		font-size: var(--fs-8);
		font-weight: var(--fw-500);
		margin-bottom: 8px;
		display: block;
	}

	/* Timeline toggle button */
	.timeline-toggle {
		display: flex;
		align-items: center;
		gap: 6px;
		background: none;
		border: none;
		color: var(--accent-primary);
		font-size: var(--fs-8);
		font-weight: var(--fw-500);
		cursor: pointer;
		padding: 4px 0;
		margin-bottom: 8px;
		transition: var(--transition-1);
		opacity: 0.8;
	}

	.timeline-toggle:hover {
		opacity: 1;
		color: var(--accent-secondary);
	}

	.toggle-icon {
		font-size: 14px;
		transition: transform var(--transition-1);
	}

	.timeline-toggle[aria-expanded="true"] .toggle-icon {
		transform: rotate(180deg);
	}

	.timeline-toggle[aria-expanded="true"] .toggle-text::after {
		content: "Hide details";
	}

	.timeline-toggle[aria-expanded="false"] .toggle-text::after {
		content: "Show details";
	}

	.toggle-text {
		font-size: 0;
		/* Hide original text */
	}

	.timeline-details {
		list-style: none;
		padding: 0;
		margin: 0;
		overflow: hidden;
		transition: max-height 0.3s ease, opacity 0.3s ease;
	}

	.timeline-details.collapsed {
		max-height: 0;
		opacity: 0;
		margin-bottom: 0;
	}

	.timeline-details.expanded {
		max-height: 200px;
		/* Adjust based on content */
		opacity: 1;
	}

	.timeline-details li {
		color: var(--light-gray);
		font-size: var(--fs-7-5);
		font-weight: var(--fw-300);
		line-height: 1.5;
		margin-bottom: 4px;
		position: relative;
		padding-left: 12px;
	}

	.timeline-details li:before {
		content: "•";
		color: var(--accent-primary);
		font-size: var(--fs-6);
		position: absolute;
		left: 0;
		top: 0;
	}

	.timeline-details li:last-child {
		margin-bottom: 0;
	}

	.timeline-text {
		color: var(--light-gray);
		font-size: var(--fs-7);
		font-weight: var(--fw-300);
		line-height: 1.6;
	}

}