/* Research Project Tabs */

.project-tabs {
	margin-top: 1.5em;
}

.project-tabs-nav {
	display: flex;
	flex-wrap: wrap;
	border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
	margin-bottom: 0;
	gap: 0;
}

.project-tab-btn {
	padding: 0.8em 1.2em;
	background: none;
	border: none;
	border-bottom: 2px solid transparent;
	cursor: pointer;
	font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
	font-size: 14px;
	font-weight: 400;
	color: #6e6e73;
	transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	margin-bottom: -2px;
}

.project-tab-btn:hover {
	color: #0071e3;
	background-color: rgba(0, 113, 227, 0.05);
}

.project-tab-btn.active {
	color: #0071e3;
	border-bottom-color: #0071e3;
}

.project-tab-btn:focus {
	outline: 2px solid rgba(0, 113, 227, 0.4);
	outline-offset: -2px;
}

.project-tabs-content {
	padding: 0;
}

.project-tab-panel {
	display: none;
	padding: 1.5em 0.5em;
	animation: projectFadeIn 0.3s ease;
}

.project-tab-panel.active {
	display: block;
}

@keyframes projectFadeIn {
	from { opacity: 0; transform: translateY(4px); }
	to { opacity: 1; transform: translateY(0); }
}

.project-image {
	margin-bottom: 1.2em;
}

.project-image img {
	max-width: 100%;
	border-radius: 12px;
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.project-description {
	line-height: 1.47059;
	color: #1d1d1f;
	margin-bottom: 1.2em;
	font-size: 17px;
}

.project-description a {
	color: #0071e3;
	text-decoration: none;
	border-bottom: none;
}

.project-description a:hover {
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 2px;
}

.project-papers {
	padding-top: 0.8em;
	border-top: 0.5px solid rgba(0, 0, 0, 0.1);
}

.project-papers-label {
	font-weight: 600;
	color: #1d1d1f;
	font-size: 14px;
	margin-bottom: 0.6em;
}

.project-papers a {
	display: inline-block;
	margin: 0.3em 0.5em 0.3em 0;
	padding: 0.4em 1em;
	background: #f5f5f7;
	border: 0.5px solid rgba(0, 0, 0, 0.1);
	border-radius: 980px;
	color: #0071e3;
	font-size: 14px;
	font-weight: 400;
	text-decoration: none;
	transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-papers a:hover {
	background: #0071e3;
	color: #fff;
	border-color: #0071e3;
}

@media screen and (max-width: 840px) {
	.project-tabs-nav {
		flex-direction: column;
		border-bottom: none;
		border-left: 0.5px solid rgba(0, 0, 0, 0.1);
	}

	.project-tab-btn {
		border-bottom: none;
		border-left: 2px solid transparent;
		text-align: left;
		margin-bottom: 0;
		margin-left: -2px;
	}

	.project-tab-btn.active {
		border-bottom: none;
		border-left-color: #0071e3;
		background-color: rgba(0, 113, 227, 0.05);
	}
}