.sitr-portfolio {
	display: block;
	width: min(1100px, calc(100vw - 48px));
	max-width: 1100px;
	margin: 0 auto;
	padding: 0;
}

.sitr-portfolio-section {
	display: flex;
	flex-direction: column;
	align-items: center;
	margin: 0 0 3.25rem;
}

.sitr-portfolio-heading {
	box-sizing: border-box;
	width: 100%;
	margin: 0 0 1.55rem;
	padding: 0;
	color: #603ac2;
	font-size: 30px;
	line-height: 1.2;
	font-weight: 700;
}

.sitr-last-missions {
	margin-bottom: 3.75rem;
}

.sitr-portfolio-grid {
	display: grid;
	width: 100%;
	grid-template-columns: repeat(var(--sitr-columns, 3), minmax(0, 1fr));
	gap: 12px;
	margin: 0 auto;
}

.sitr-last-missions-grid {
	gap: 14px;
}

.sitr-portfolio-item {
	display: block;
	position: relative;
	overflow: hidden;
	aspect-ratio: 920 / 430;
	text-decoration: none;
	background: #111;
}

.sitr-portfolio-image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .2s ease, filter .2s ease;
}

.sitr-portfolio-item:hover .sitr-portfolio-image,
.sitr-portfolio-item:focus-visible .sitr-portfolio-image {
	transform: scale(1.015);
	filter: brightness(.88);
}

.sitr-portfolio-item:focus-visible {
	outline: 3px solid #603ac2;
	outline-offset: 3px;
}

@media (max-width: 900px) {
	.sitr-portfolio {
		width: min(100%, calc(100vw - 32px));
	}

	.sitr-portfolio-grid {
		grid-template-columns: repeat(min(2, var(--sitr-columns, 3)), minmax(0, 1fr));
	}
}

@media (max-width: 560px) {
	.sitr-portfolio {
		width: min(100%, calc(100vw - 24px));
	}

	.sitr-portfolio-grid {
		grid-template-columns: 1fr;
	}

	.sitr-portfolio-heading {
		font-size: 26px;
	}
}