/*
 * Реализованные проекты — DESIGN.md §14, docs/homepage-structure.md §12.
 * Asymmetric editorial composition (1 large featured case + a stack of 2)
 * — a third distinct rhythm after Services (technical panel) and Typical
 * Solutions (symmetric editorial grid), same design system underneath.
 */

.projects {
	position: relative;
	background: var(--ark-bg-800);
	padding-block: var(--ark-space-section-compact);
}

.projects__header {
	margin-bottom: 48px;
}

.projects__overline {
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.16em;
	color: var(--ark-text-secondary);
	margin: 0 0 16px;
}

.projects__header-row {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 24px;
	flex-wrap: wrap;
	margin-bottom: 18px;
}

.projects__title {
	font-size: var(--ark-fs-h2);
	font-weight: 600;
	line-height: 1.15;
	color: var(--ark-text-primary);
	margin: 0;
}

.projects__all-link {
	display: inline-flex;
	align-items: center;
	font-size: 0.92rem;
	color: var(--ark-text-secondary);
	white-space: nowrap;
	padding-bottom: 6px;
	border-bottom: 1px solid transparent;
	transition:
		color 150ms var(--ark-ease),
		border-color 150ms var(--ark-ease);
}

.projects__all-link:hover,
.projects__all-link:focus-visible {
	color: var(--ark-text-primary);
	border-color: var(--ark-border-titanium);
}

.projects__lead {
	max-width: 680px;
	font-size: 1.05rem;
	color: var(--ark-text-secondary);
	margin: 0;
}

.projects__grid {
	display: grid;
	grid-template-columns: 2fr 1fr;
	gap: 24px;
	align-items: stretch;
}

.projects__stack {
	display: flex;
	flex-direction: column;
	gap: 24px;
}

/* ---- Card (shared by featured + secondary) ---- */

.project-card {
	position: relative;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
	background: var(--ark-surface-700);
	border: 1px solid var(--ark-border-soft);
	border-radius: var(--ark-radius-lg);
	overflow: hidden;
	transition: transform 200ms var(--ark-ease), border-color 200ms var(--ark-ease);
}

.project-card:hover {
	transform: translateY(-3px);
	border-color: var(--ark-border-medium);
}

.project-card__media {
	position: relative;
	aspect-ratio: 16 / 11;
	overflow: hidden;
	background-color: var(--ark-bg-850);
	flex-grow: 1;
}

/* Secondary cards in the stack get a shorter media zone — they're half
   the featured card's visual weight, not a second hero. */
.projects__stack .project-card__media {
	aspect-ratio: 16 / 9;
	flex-grow: 0;
}

.project-card__media-image {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: 50% 50%;
	transition: transform 400ms var(--ark-ease);
}

.project-card:hover .project-card__media-image {
	transform: scale(1.02);
}

/*
 * Dual-purpose neutral technical media state — same abstract CAD/blueprint
 * tone as Typical Solutions' cards. Used in two situations:
 *  - local/dev: DEV MEDIA label (project-card.php) sits on top of this.
 *  - production, for a verified project with no verified photo yet
 *    (project_is_verified=true, image_is_verified=false): shown as-is,
 *    no label — a calm branded placeholder, not a stand-in "photo".
 * Disappears automatically once a verified image_src is set in
 * projects.php (data-has-image flips to "true").
 */
.project-card__media[data-has-image="false"] {
	background-image:
		linear-gradient(155deg, var(--ark-bg-850) 0%, var(--ark-bg-950) 60%, #0F1D27 100%),
		repeating-linear-gradient(0deg, rgba(166, 176, 186, 0.06) 0 1px, transparent 1px 32px),
		repeating-linear-gradient(90deg, rgba(166, 176, 186, 0.06) 0 1px, transparent 1px 32px);
}

.project-card__media-dev-label {
	position: absolute;
	top: 14px;
	right: 14px;
	z-index: 2;
	font-size: 0.62rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ark-text-muted);
	background: rgba(5, 12, 18, 0.55);
	border: 1px solid var(--ark-border-soft);
	border-radius: 4px;
	padding: 3px 8px;
}

.project-card__media-overlay {
	position: absolute;
	inset: 0;
	z-index: 1;
	background: linear-gradient(180deg, rgba(5, 12, 18, 0) 40%, rgba(5, 12, 18, 0.88) 100%);
}

.project-card__caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 2;
	padding: 22px 26px;
}

.project-card__title {
	font-size: 1.4rem;
	font-weight: 700;
	color: var(--ark-text-primary);
	margin: 0 0 4px;
}

.project-card--featured .project-card__title {
	font-size: 1.7rem;
}

.project-card__meta {
	font-size: 0.9rem;
	color: var(--ark-text-secondary);
	margin: 0;
}

.project-card__body {
	padding: 18px 26px 22px;
}

.project-card__systems {
	font-size: 0.92rem;
	line-height: 1.5;
	color: var(--ark-text-secondary);
	margin: 0 0 16px;
}

.project-card__cta {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	font-size: 0.92rem;
	font-weight: 700;
	color: var(--ark-text-primary);
}

.project-card__cta-arrow {
	color: var(--ark-border-titanium);
	transition: transform 200ms var(--ark-ease);
}

.project-card:hover .project-card__cta-arrow {
	transform: translateX(4px);
}

/* Below this, the 2fr/1fr split gets too tight for the stack's cards — stack everything. */
@media (max-width: 960px) {
	.projects__grid {
		grid-template-columns: 1fr;
	}

	.projects__stack {
		flex-direction: row;
		gap: 20px;
	}

	.projects__stack .project-card {
		flex: 1 1 0;
	}
}

@media (max-width: 640px) {
	.projects__stack {
		flex-direction: column;
	}

	/*
	 * flex: 1 1 0 (960px block) sets flex-basis:0 for the row layout's
	 * equal-width columns — reused unmodified here it collapses each
	 * card's height to ~0 once the main axis flips to vertical (column),
	 * since there's no constrained parent height for flex-grow to fill.
	 * Restore natural, content-based sizing for the stacked mobile layout.
	 */
	.projects__stack .project-card {
		flex: 1 1 auto;
	}

	.project-card__caption,
	.project-card__body {
		padding-inline: 22px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.project-card,
	.project-card__media-image,
	.project-card__cta-arrow {
		transition: none;
	}
}