.portfolio-page {
	max-width: 1100px;
	margin: 0 auto;
	padding: 2rem 2rem 3.5rem;
}

.portfolio-header {
	margin-bottom: 2rem;
	padding-bottom: 1.25rem;
	border-bottom: 1px solid var(--border-subtle);
}

.portfolio-header h1 {
	margin: 0 0 0.5rem;
	font-family: var(--font-large);
	font-size: 1.35rem;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--text-primary);
}

.portfolio-header p {
	margin: 0;
	max-width: 42rem;
	font-size: 0.95rem;
	color: var(--text-secondary);
	line-height: 1.65;
}

.portfolio-section {
	margin-bottom: 2.75rem;
}

.portfolio-section:last-child {
	margin-bottom: 0;
}

.portfolio-section-header {
	margin-bottom: 1.25rem;
}

.portfolio-section-header h2 {
	margin: 0 0 0.35rem;
	font-family: var(--font-large);
	font-size: 1.24rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--color-red);
}

.portfolio-section-header p {
	margin: 0;
	max-width: 40rem;
	font-size: 0.875rem;
	color: var(--text-muted);
	line-height: 1.55;
}

.portfolio-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 1.25rem;
}

.portfolio-card {
	display: flex;
	flex-direction: column;
	border: 1px solid var(--border-subtle);
	border-left: 3px solid var(--color-red);
	background: var(--bg-surface);
	transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.portfolio-card:hover {
	border-color: var(--color-dark-grey);
	background: var(--bg-surface-hover);
	transform: translateY(-2px);
}

.portfolio-card-media {
	display: block;
	background: #1a1a1a;
	border-bottom: 1px solid var(--border-subtle);
	overflow: hidden;
	line-height: 0;
}

.portfolio-card-media img {
	display: block;
	width: 100%;
	height: auto;
	max-height: 180px;
	object-fit: contain;
	object-position: center;
	padding: 0.75rem;
}

.portfolio-card-media--visual {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 140px;
	padding: 1.5rem;
	line-height: 1.3;
	background:
		linear-gradient(135deg, rgba(128, 0, 0, 0.18) 0%, transparent 55%),
		linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
}

.portfolio-visual-label {
	font-family: var(--font-large);
	font-size: 0.7rem;
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--color-light-grey);
	text-align: center;
}

.portfolio-visual--events {
	background:
		radial-gradient(circle at 20% 80%, rgba(128, 0, 0, 0.25) 0%, transparent 45%),
		linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
}

.portfolio-visual--data {
	background:
		radial-gradient(circle at 80% 20%, rgba(128, 0, 0, 0.2) 0%, transparent 50%),
		linear-gradient(180deg, #121212 0%, #080808 100%);
}

.portfolio-visual--ml {
	background:
		radial-gradient(circle at 50% 50%, rgba(128, 0, 0, 0.22) 0%, transparent 55%),
		linear-gradient(180deg, #131313 0%, #090909 100%);
}

.portfolio-visual--platform {
	background:
		linear-gradient(135deg, rgba(128, 0, 0, 0.15) 0%, transparent 40%),
		linear-gradient(225deg, rgba(55, 55, 55, 0.4) 0%, transparent 50%),
		linear-gradient(180deg, #141414 0%, #0a0a0a 100%);
}

.portfolio-card-employer {
	margin: 0 0 0.65rem;
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	color: var(--text-muted);
}

.portfolio-card-body {
	display: flex;
	flex-direction: column;
	flex: 1;
	padding: 1.15rem 1.25rem 1.25rem;
}

.portfolio-card-title {
	margin: 0 0 0.5rem;
	font-family: var(--font-large);
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	line-height: 1.4;
	color: var(--text-primary);
}

.portfolio-card-title span.portfolio-internal {
	font-family: var(--font-small);
	font-size: 0.75rem;
	font-weight: 400;
	letter-spacing: 0.04em;
	text-transform: none;
	color: var(--text-muted);
}

.portfolio-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem;
	margin: 0 0 0.75rem;
	padding: 0;
	list-style: none;
}

.portfolio-tags li {
	padding: 0.2rem 0.5rem;
	border: 1px solid var(--border-subtle);
	font-size: 0.65rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--text-muted);
}

.portfolio-card-desc {
	margin: 0;
	flex: 1;
	font-size: 0.875rem;
	line-height: 1.6;
	color: var(--text-secondary);
}

@media (max-width: 640px) {
	.portfolio-page {
		padding: 1.25rem 1rem 2.5rem;
	}

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