.portfolio-hero {
	padding: 20px 0 50px;
}
.portfolio-header {
	text-align: center;
	margin-bottom: 60px;
}
.portfolio-filter {
	margin-bottom: 40px;
	text-align: center;
}
.portfolio-filter button {
	background: none;
	border: none;
	padding: 8px 20px;
	margin: 0 5px;
	font-weight: 600;
	color: #555;
	cursor: pointer;
	transition: all 0.3s;
	border-radius: 4px;
}
.portfolio-filter button:hover, 
.portfolio-filter button.active {
	color: #0097fd;
	background: rgba(0, 196, 236, 0.1);
}
.portfolio-grid {
	margin: 0 -15px;
}
.portfolio-item {
	padding: 15px;
	transition: all 0.3s;
}
.portfolio-item-inner {
	position: relative;
	overflow: hidden;
	border-radius: 8px;
	box-shadow: 0 5px 15px rgba(0,0,0,0.1);
	height: 100%;
    display: flex;
    flex-direction: column;
}
.portfolio-img { opacity: 1;
	width: 100%;
	height: 250px;
	object-fit: cover;
	transition: transform 0.5s;
}
.portfolio-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 151, 253, 0.2);
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 1;
	transition: opacity 0.3s;
}
.portfolio-item-inner:hover .portfolio-overlay {
	opacity: 1;
}
.portfolio-item-inner .portfolio-img { opacity: 1;
  transition: transform 0.3s ease-in-out;
}

.portfolio-item-inner:hover .portfolio-img { opacity: 1;
  transform: scale(1.05);
}
.portfolio-overlay a {
	color: white;
	font-size: 40px;
}
.portfolio-caption {
	padding: 20px;
	background: white;
	flex-grow: 1;
}
.portfolio-caption h4 {
	margin-bottom: 5px;
	font-size: 18px;
}
.portfolio-caption p {
	color: #777;
	font-size: 14px;
	margin: 0;
}

@media (max-width: 767px) {
	.portfolio-filter button {
		margin-bottom: 10px;
		display: inline-block;
	}
	.portfolio-img { opacity: 1;
		height: 200px;
	}
}
.portfolio-img { opacity: 1;
	opacity: 1;
	transition: opacity 0.3s ease;
}

	opacity: 1;
}

.portfolio-img[data-src] {
	min-height: 200px; 
	background: #f5f5f5;
}
.portfolio-item > a.image-popup {
    display: block;
    color: inherit;
    text-decoration: none;
}

.portfolio-overlay .ti-zoom-in {
    font-size: 40px;
    color: white;
    display: inline-block;
    transition: all 0.3s ease;
}

.portfolio-overlay:hover .ti-zoom-in {
    color: #f1f1f1;
    transform: scale(1.1);
}