/* hero */
.art-hero {
	background: var(--dark);
	border-bottom: 1px solid var(--grey2);
	padding: 9rem 2rem 0;
	position: relative;
	overflow: hidden;
}

.art-hero-num {
	position: absolute;
	right: 2rem;
	top: 50%;
	transform: translateY(-30%);
	font-family: var(--ff-head);
	font-size: clamp(8rem, 20vw, 18rem);
	color: rgba(204, 0, 0, 0.05);
	line-height: 1;
	letter-spacing: 0.04em;
	pointer-events: none;
	user-select: none;
	z-index: 0;
}

.art-hero-inner {
	max-width: 860px;
	margin: 0 auto;
	position: relative;
	z-index: 1;
	padding-bottom: 3rem;
}

.art-breadcrumb {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.7rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--grey2);
	margin-bottom: 1.75rem;
	flex-wrap: wrap;
}
.art-breadcrumb a {
	color: var(--grey2);
	transition: color var(--transition);
}
.art-breadcrumb a:hover {
	color: var(--red);
}
.art-breadcrumb-sep {
	color: var(--grey2);
	font-size: 0.6rem;
}
.art-breadcrumb-current {
	color: var(--grey);
}

.art-cat {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.65rem;
	font-weight: 700;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--white);
	background: var(--red);
	padding: 0.22rem 0.7rem;
	border-radius: var(--radius);
	margin-bottom: 1.25rem;
}

.art-hero-title {
	font-family: var(--ff-head);
	font-size: clamp(2.5rem, 6vw, 5rem);
	letter-spacing: 0.02em;
	line-height: 0.95;
	color: var(--white);
	margin-bottom: 1.25rem;
}
.art-hero-title em {
	font-style: normal;
	color: var(--red);
}

.art-lead {
	font-size: 1.1rem;
	color: var(--grey);
	font-weight: 300;
	line-height: 1.75;
	max-width: 640px;
	margin-bottom: 2rem;
	border-left: 3px solid var(--red);
	padding-left: 1.25rem;
}

.art-meta {
	display: flex;
	align-items: center;
	gap: 1.5rem;
	flex-wrap: wrap;
	padding: 1.25rem 0;
	border-top: 1px solid var(--grey2);
}
.art-meta-author {
	display: flex;
	align-items: center;
	gap: 0.75rem;
}
.art-meta-avatar {
	width: 36px;
	height: 36px;
	border-radius: 50%;
	background: linear-gradient(135deg, #2e0000, #cc0000);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--ff-head);
	font-size: 0.85rem;
	color: var(--white);
	flex-shrink: 0;
	letter-spacing: 0.02em;
}
.art-meta-author-name {
	font-size: 0.82rem;
	color: var(--white);
	font-weight: 500;
}
.art-meta-author-role {
	font-size: 0.68rem;
	color: var(--grey);
	letter-spacing: 0.04em;
}
.art-meta-sep {
	width: 1px;
	height: 28px;
	background: var(--grey2);
}
.art-meta-item {
	font-size: 0.72rem;
	color: var(--grey);
	letter-spacing: 0.06em;
	text-transform: uppercase;
}
.art-meta-item strong {
	display: block;
	font-size: 0.68rem;
	color: var(--grey2);
	font-weight: 400;
	margin-bottom: 0.1rem;
}

/* progress bar */
.art-progress {
	position: fixed;
	top: 0;
	left: 0;
	height: 3px;
	background: var(--red);
	z-index: 200;
	width: 0%;
	transition: width 0.1s linear;
	box-shadow: 0 0 8px var(--red-glow);
}

/* layout */
.art-layout {
	max-width: 1100px;
	margin: 0 auto;
	padding: 4rem 2rem 6rem;
	display: grid;
	grid-template-columns: 1fr 280px;
	gap: 5rem;
	align-items: start;
}

/* article body */
.art-body {
	min-width: 0; /* fix dla grid overflow */
	font-size: 1rem;
	color: rgba(255, 255, 255, 0.75);
	font-weight: 300;
	line-height: 1.85;
}

/* h2 */
.art-body h2 {
	font-family: var(--ff-head);
	font-size: clamp(1.6rem, 3vw, 2.4rem);
	letter-spacing: 0.03em;
	line-height: 1.05;
	color: var(--white);
	margin: 3rem 0 1.25rem;
	padding-top: 2rem;
	border-top: 1px solid var(--grey2);
}
.art-body h2:first-child {
	margin-top: 0;
	padding-top: 0;
	border-top: none;
}
.art-body h2::before {
	content: '// ';
	color: var(--red);
}

/* h3 */
.art-body h3 {
	font-family: var(--ff-head);
	font-size: clamp(1.1rem, 2vw, 1.5rem);
	letter-spacing: 0.04em;
	color: var(--white);
	margin: 2rem 0 0.75rem;
}

.art-body p {
	margin-bottom: 1.25rem;
}
.art-body p:last-child {
	margin-bottom: 0;
}

.art-body strong {
	color: var(--white);
	font-weight: 600;
}

.art-body a {
	color: var(--red);
	text-decoration: underline;
	text-decoration-color: rgba(204, 0, 0, 0.4);
	transition: text-decoration-color var(--transition);
}
.art-body a:hover {
	text-decoration-color: var(--red);
}

.art-body ul {
	list-style: none;
	margin: 1rem 0 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}
.art-body ul li {
	display: flex;
	gap: 0.75rem;
	align-items: flex-start;
	font-size: 0.95rem;
	color: rgba(255, 255, 255, 0.7);
	line-height: 1.65;
}
.art-body ul li::before {
	content: '—';
	color: var(--red);
	font-weight: 700;
	font-size: 0.75rem;
	flex-shrink: 0;
	margin-top: 0.35em;
}

.art-body ol {
	list-style: none;
	counter-reset: art-counter;
	margin: 1rem 0 1.5rem;
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}
.art-body ol li {
	counter-increment: art-counter;
	display: flex;
	gap: 1rem;
	align-items: flex-start;
	font-size: 0.95rem;
	color: rgba(255, 255, 255, 0.7);
	line-height: 1.65;
}
.art-body ol li::before {
	content: counter(art-counter, decimal-leading-zero);
	font-family: var(--ff-head);
	font-size: 1rem;
	color: var(--red);
	flex-shrink: 0;
	letter-spacing: 0.04em;
	min-width: 24px;
}

/* blockquote */
.art-body blockquote {
	margin: 2rem 0;
	padding: 1.5rem 1.75rem;
	background: var(--card);
	border-left: 3px solid var(--red);
	border-radius: 0 var(--radius) var(--radius) 0;
}
.art-body blockquote p {
	font-size: 1rem;
	color: var(--white);
	font-style: italic;
	font-weight: 300;
	margin-bottom: 0.5rem;
	line-height: 1.7;
}
.art-body blockquote cite {
	font-size: 0.75rem;
	color: var(--red);
	font-style: normal;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

/* components */

/* callout box */
.art-box {
	margin: 2rem 0;
	padding: 1.5rem;
	background: rgba(204, 0, 0, 0.06);
	border: 1px solid rgba(204, 0, 0, 0.25);
	border-radius: var(--radius);
}
.art-box--info {
	background: rgba(255, 255, 255, 0.03);
	border-color: var(--grey2);
}
.art-box-label {
	display: block;
	font-size: 0.62rem;
	font-weight: 700;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--red);
	margin-bottom: 0.6rem;
}
.art-box--info .art-box-label {
	color: var(--grey);
}
.art-box p {
	font-size: 0.9rem;
	color: rgba(255, 255, 255, 0.7);
	margin-bottom: 0;
	line-height: 1.7;
}
.art-box p strong {
	color: var(--white);
}

/* stats grid */
.art-stats {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
	gap: 1px;
	background: var(--grey2);
	border: 1px solid var(--grey2);
	margin: 2rem 0;
}
.art-stat-item {
	background: var(--card);
	padding: 1.5rem 1.25rem;
	text-align: center;
	transition: background var(--transition);
}
.art-stat-item:hover {
	background: #1c1c1c;
}
.art-stat-num {
	font-family: var(--ff-head);
	font-size: 2.5rem;
	letter-spacing: 0.02em;
	color: var(--red);
	line-height: 1;
	display: block;
}
.art-stat-desc {
	font-size: 0.75rem;
	color: var(--grey);
	letter-spacing: 0.04em;
	line-height: 1.4;
	margin-top: 0.4rem;
}

.art-divider {
	border: none;
	border-top: 1px solid var(--grey2);
	margin: 3rem 0;
}

.art-img-wrap {
	margin: 2rem 0;
	border-radius: var(--radius);
	overflow: hidden;
	border: 1px solid var(--grey2);
}
.art-img-placeholder {
	width: 100%;
	aspect-ratio: 16/7;
	background: linear-gradient(135deg, #1a0000 0%, #2e0000 50%, #1a0000 100%);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--ff-head);
	font-size: 1rem;
	letter-spacing: 0.14em;
	color: rgba(255, 255, 255, 0.2);
	text-transform: uppercase;
}

.art-img {
	width: 100%;
	height: auto;
	display: block;
}
.art-img-caption {
	padding: 0.6rem 1rem;
	background: var(--card);
	font-size: 0.72rem;
	color: var(--grey);
	font-style: italic;
	line-height: 1.5;
}

/* inline cta */
.art-inline-cta {
	margin: 3rem 0;
	padding: 2rem;
	background: var(--red);
	border-radius: var(--radius);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1.5rem;
	flex-wrap: wrap;
	position: relative;
	overflow: hidden;
}
.art-inline-cta::before {
	content: 'GO';
	position: absolute;
	right: 1rem;
	top: 50%;
	transform: translateY(-50%);
	font-family: var(--ff-head);
	font-size: 5rem;
	color: rgba(0, 0, 0, 0.15);
	pointer-events: none;
	line-height: 1;
}
.art-inline-cta-text {
	position: relative;
	z-index: 1;
}
.art-inline-cta-text strong {
	display: block;
	font-family: var(--ff-head);
	font-size: 1.3rem;
	letter-spacing: 0.04em;
	color: var(--white);
	margin-bottom: 0.3rem;
}
.art-inline-cta-text span {
	font-size: 0.85rem;
	color: rgba(255, 255, 255, 0.8);
	font-weight: 300;
}
.art-inline-cta a {
	display: inline-block;
	background: var(--white);
	color: var(--red);
	padding: 0.8rem 1.75rem;
	border-radius: var(--radius);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	text-decoration: none;
	white-space: nowrap;
	transition:
		transform 0.15s,
		box-shadow 0.15s;
	position: relative;
	z-index: 1;
	flex-shrink: 0;
}
.art-inline-cta a:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* sidebar */
.art-sidebar {
	position: sticky;
	top: 90px;
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

/* toc */
.art-toc {
	background: var(--card);
	border: 1px solid var(--grey2);
	border-top: 3px solid var(--red);
	padding: 1.5rem;
}
.art-toc-title {
	font-family: var(--ff-head);
	font-size: 0.9rem;
	letter-spacing: 0.1em;
	color: var(--white);
	margin-bottom: 1rem;
}
.art-toc-list {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 0.1rem;
}
.art-toc-list a {
	display: block;
	font-size: 0.78rem;
	color: var(--grey);
	padding: 0.3rem 0;
	border-left: 2px solid transparent;
	padding-left: 0.75rem;
	margin-left: -0.75rem;
	line-height: 1.4;
	transition:
		color var(--transition),
		border-color var(--transition);
}
.art-toc-list a:hover {
	color: var(--white);
}
.art-toc-list a.active {
	color: var(--red);
	border-left-color: var(--red);
}

/* author card */
.art-author-card {
	background: var(--card);
	border: 1px solid var(--grey2);
	padding: 1.5rem;
}
.art-author-card-top {
	display: flex;
	gap: 1rem;
	align-items: center;
	margin-bottom: 1rem;
}
.art-author-avatar {
	width: 52px;
	height: 52px;
	border-radius: 50%;
	background: linear-gradient(135deg, #2e0000, #cc0000);
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: var(--ff-head);
	font-size: 1.2rem;
	color: var(--white);
	flex-shrink: 0;
	border: 2px solid var(--red);
}
.art-author-name {
	font-family: var(--ff-head);
	font-size: 1rem;
	letter-spacing: 0.04em;
	color: var(--white);
}
.art-author-role {
	font-size: 0.68rem;
	color: var(--grey);
	letter-spacing: 0.04em;
	margin-top: 0.1rem;
}
.art-author-bio {
	font-size: 0.8rem;
	color: var(--grey);
	font-weight: 300;
	line-height: 1.65;
	margin-bottom: 1rem;
}
.art-author-link {
	display: block;
	text-align: center;
	font-size: 0.72rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--red);
	padding: 0.55rem;
	border: 1px solid var(--red);
	border-radius: var(--radius);
	transition:
		background var(--transition),
		color var(--transition);
}
.art-author-link:hover {
	background: var(--red);
	color: var(--white);
}

/* related */
.art-related {
	background: var(--card);
	border: 1px solid var(--grey2);
	padding: 1.5rem;
}
.art-related-title {
	font-family: var(--ff-head);
	font-size: 0.9rem;
	letter-spacing: 0.1em;
	color: var(--white);
	margin-bottom: 1rem;
	padding-bottom: 0.75rem;
	border-bottom: 1px solid var(--grey2);
}
.art-related-list {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 0;
}
.art-related-list li {
	border-bottom: 1px solid var(--grey2);
}
.art-related-list li:last-child {
	border-bottom: none;
}
.art-related-list a {
	display: flex;
	align-items: flex-start;
	gap: 0.6rem;
	padding: 0.65rem 0;
	font-size: 0.8rem;
	color: var(--grey);
	line-height: 1.4;
	transition:
		color var(--transition),
		padding-left var(--transition);
}
.art-related-list a:hover {
	color: var(--white);
	padding-left: 0.3rem;
}
.art-related-list a::before {
	content: '→';
	color: var(--red);
	font-size: 0.7rem;
	flex-shrink: 0;
	margin-top: 0.15em;
}

/* article footer */
.art-footer {
	max-width: 860px;
	margin: 0 auto 5rem;
	padding: 0 2rem;
}

.art-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-bottom: 2.5rem;
}
.art-tag {
	font-size: 0.68rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--grey);
	padding: 0.25rem 0.7rem;
	border: 1px solid var(--grey2);
	border-radius: var(--radius);
	transition:
		border-color var(--transition),
		color var(--transition);
}
.art-tag:hover {
	border-color: var(--red);
	color: var(--red);
}

/* article nav */
.art-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1px;
	background: var(--grey2);
	border: 1px solid var(--grey2);
	margin-bottom: 3rem;
}
.art-nav-item {
	background: var(--card);
	padding: 1.25rem 1.5rem;
	transition: background var(--transition);
}
.art-nav-item:hover {
	background: #1c1c1c;
}
.art-nav-item--next {
	text-align: right;
}
.art-nav-label {
	display: block;
	font-size: 0.62rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--red);
	margin-bottom: 0.35rem;
}
.art-nav-title {
	font-family: var(--ff-head);
	font-size: 1rem;
	letter-spacing: 0.03em;
	color: var(--white);
	line-height: 1.2;
}

.art-back {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--grey);
	transition: color var(--transition);
}
.art-back::before {
	content: '←';
}
.art-back:hover {
	color: var(--red);
}

/* responsive */
@media (max-width: 1000px) {
	.art-layout {
		grid-template-columns: 1fr;
		gap: 0;
		padding: 3rem 1.5rem 4rem;
	}
	.art-sidebar {
		position: static;
		display: grid;
		grid-template-columns: 1fr 1fr;
		gap: 1rem;
		order: -1;
		margin-bottom: 3rem;
	}
	.art-toc {
		display: none;
	} /* Ukryj TOC na mobile - scroll jest za krótki */
	.art-hero-num {
		display: none;
	}
	.art-hero {
		padding: 8rem 1.5rem 0;
	}
	.art-footer {
		padding: 0 1.5rem;
	}
}
@media (max-width: 640px) {
	.art-sidebar {
		grid-template-columns: 1fr;
	}
	.art-stats {
		grid-template-columns: 1fr 1fr;
	}
	.art-inline-cta {
		flex-direction: column;
	}
	.art-inline-cta::before {
		display: none;
	}
	.art-nav {
		grid-template-columns: 1fr;
	}
	.art-nav-item--next {
		text-align: left;
	}
	.art-hero-title {
		font-size: clamp(2rem, 8vw, 3rem);
	}
	.art-body h2 {
		font-size: clamp(1.4rem, 5vw, 2rem);
	}
}