/* Portfolio Grid & Filter Styles (Norebro-inspired) */
.nacham-portfolio-wrap {
	margin: 2rem 0;
}

.portfolio-filter {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 1rem;
	margin-bottom: 2.5rem;
}

.portfolio-filter .filter-btn {
	background: transparent;
	border: 2px solid transparent;
	color: #333;
	padding: 0.5rem 1.5rem;
	font-family: 'Montserrat', sans-serif;
	font-weight: 600;
	font-size: 0.9rem;
	cursor: pointer;
	text-transform: uppercase;
	letter-spacing: 1px;
	transition: all 0.3s ease;
	border-radius: 30px;
}

.portfolio-filter .filter-btn:hover,
.portfolio-filter .filter-btn.active {
	color: #fff;
	background: #000;
	border-color: #000;
}

.portfolio-grid {
	display: grid;
	grid-template-columns: repeat(var(--portfolio-columns, 3), 1fr);
	gap: 20px;
}

.portfolio-grid.columns-2 { --portfolio-columns: 2; }
.portfolio-grid.columns-3 { --portfolio-columns: 3; }
.portfolio-grid.columns-4 { --portfolio-columns: 4; }

@media (max-width: 992px) {
	.portfolio-grid { --portfolio-columns: 2 !important; }
}
@media (max-width: 576px) {
	.portfolio-grid { --portfolio-columns: 1 !important; }
}

.portfolio-item {
	display: none; /* Hidden by default until filtered */
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item.show {
	display: block;
	opacity: 1;
	transform: translateY(0);
	animation: portfolioReveal 0.5s ease forwards;
}

@keyframes portfolioReveal {
	from { opacity: 0; transform: scale(0.95) translateY(15px); }
	to { opacity: 1; transform: scale(1) translateY(0); }
}

.portfolio-item-inner {
	position: relative;
	overflow: hidden;
	border-radius: 8px;
	box-shadow: 0 4px 15px rgba(0,0,0,0.05);
	background: #fff;
	height: 100%;
}

.portfolio-image {
	position: relative;
	width: 100%;
	height: 100%;
	min-height: 250px;
	overflow: hidden;
}

.portfolio-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.6s cubic-bezier(0.2, 1, 0.2, 1);
}

.portfolio-image.no-image {
	background: #f4f4f4;
}

.portfolio-item:hover .portfolio-image img {
	transform: scale(1.05);
}

.portfolio-overlay {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.7);
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	transition: opacity 0.4s ease;
}

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

.portfolio-overlay-content {
	text-align: center;
	padding: 1.5rem;
	color: #fff;
	transform: translateY(20px);
	transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay-content {
	transform: translateY(0);
}

.portfolio-title {
	margin: 0 0 0.5rem;
	font-size: 1.5rem;
	font-family: 'Montserrat', sans-serif;
	font-weight: 700;
}

.portfolio-title a {
	color: #fff;
	text-decoration: none;
	transition: color 0.3s;
}

.portfolio-title a:hover {
	color: #ffcc00; /* Subtle highlight */
}

.portfolio-category {
	font-family: 'Roboto Mono', monospace;
	font-size: 0.85rem;
	text-transform: uppercase;
	letter-spacing: 1px;
	color: #ccc;
}