/*
 * Native Portfolio grid. Loaded only where the portfolio is shown.
 * Inherits the theme's fonts and colours; override the --npf-* variables to adjust.
 */

.npf-portfolio {
	--npf-muted: color-mix(in srgb, currentColor 62%, transparent);
	--npf-line: color-mix(in srgb, currentColor 14%, transparent);
	--npf-tint: color-mix(in srgb, currentColor 6%, transparent);
	--npf-accent: var(--wp--preset--color--contrast, currentColor);
	--npf-on-accent: var(--wp--preset--color--base, #fff);
	--npf-radius: 12px;
	--npf-gap: clamp(1rem, 2.5vw, 1.75rem);
	--npf-columns: 3;

	box-sizing: border-box;
	margin-block: clamp(1.5rem, 4vw, 3rem);
}

@supports not (color: color-mix(in srgb, red 50%, transparent)) {
	.npf-portfolio {
		--npf-muted: rgba(127, 127, 127, 0.95);
		--npf-line: rgba(127, 127, 127, 0.28);
		--npf-tint: rgba(127, 127, 127, 0.1);
	}
}

.npf-portfolio *,
.npf-portfolio *::before,
.npf-portfolio *::after {
	box-sizing: inherit;
}

.npf-portfolio--cols-2 {
	--npf-columns: 2;
}

.npf-portfolio--cols-4 {
	--npf-columns: 4;
}

.npf-portfolio .npf-visually-hidden {
	position: absolute !important;
	width: 1px;
	height: 1px;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

/* Filters: shared structure. Four designs below (Settings > Filter style):
   tabs, segmented, chips and large type. All use the theme's text colour and
   its main colour (--npf-accent). */
.npf-filters {
	--npf-filter-size: clamp(0.95rem, 0.9rem + 0.25vw, 1.0625rem);
	--npf-bar: 2px;

	position: relative;
	margin: 0 0 0.9rem;
}

.npf-filters__track {
	position: relative;
	/* Room for the keyboard focus ring, which a scrolling row would otherwise clip. */
	margin: -4px -4px 0;
	padding: 4px 4px 3px;
	overflow-x: auto;
	overscroll-behavior-x: contain;
	scrollbar-width: none;
	scroll-padding-inline: 1.5rem;
}

.npf-filters__track::-webkit-scrollbar {
	display: none;
}

/* Fade whichever edge has more Work Types beyond it (set by the script). */
.npf-filters[data-more="end"] .npf-filters__track {
	-webkit-mask-image: linear-gradient(to right, #000 calc(100% - 3rem), transparent);
	mask-image: linear-gradient(to right, #000 calc(100% - 3rem), transparent);
}

.npf-filters[data-more="start"] .npf-filters__track {
	-webkit-mask-image: linear-gradient(to left, #000 calc(100% - 3rem), transparent);
	mask-image: linear-gradient(to left, #000 calc(100% - 3rem), transparent);
}

.npf-filters[data-more="both"] .npf-filters__track {
	-webkit-mask-image: linear-gradient(to right, transparent, #000 3rem, #000 calc(100% - 3rem), transparent);
	mask-image: linear-gradient(to right, transparent, #000 3rem, #000 calc(100% - 3rem), transparent);
}

.npf-filters__list {
	position: relative;
	z-index: 1;
	display: flex;
	width: max-content;
	min-width: 100%;
	margin: 0;
	padding: 0;
	list-style: none;
}

.npf-filters__list li {
	flex: none;
	margin: 0;
}

.npf-filters__link {
	position: relative;
	display: inline-flex;
	gap: 0.3em;
	align-items: flex-start;
	color: var(--npf-muted);
	font-size: var(--npf-filter-size);
	font-weight: 500;
	line-height: 1.25;
	white-space: nowrap;
	text-decoration: none;
	transition: color 0.2s ease, background-color 0.2s ease;
}

.npf-filters__link:hover,
.npf-filters__link:focus-visible,
.npf-filters__link[aria-current="true"] {
	color: inherit;
}

.npf-filters__link:focus:not(:focus-visible) {
	outline: none;
}

.npf-filters__link:focus-visible {
	border-radius: 3px;
	outline: 2px solid currentColor;
	outline-offset: 1px;
}

.npf-filters__count {
	font-variant-numeric: tabular-nums;
	letter-spacing: 0;
}

/* No projects yet: its count reads 0. It keeps the readable unselected colour
   (lighter text would fail contrast); Chips also show it as an outline. */

.npf-filters__indicator {
	display: none;
}

/* 1. Tabs: one line on a hairline; a bar under the chosen Work Type slides to the next. */
.npf-portfolio--filters-tabs .npf-filters__track {
	background: linear-gradient(var(--npf-line), var(--npf-line)) 4px 100% / calc(100% - 8px) 1px no-repeat;
}

.npf-portfolio--filters-tabs .npf-filters__list {
	gap: clamp(1.1rem, 2.4vw, 2.1rem);
}

.npf-portfolio--filters-tabs .npf-filters__link {
	padding: 0.35em 0 0.8em;
	letter-spacing: -0.005em;
}

.npf-portfolio--filters-tabs .npf-filters__count {
	margin-top: -0.1em;
	font-size: 0.62em;
	font-weight: 600;
}

.npf-portfolio--filters-tabs .npf-filters__link[aria-current="true"]::after {
	position: absolute;
	right: 0;
	bottom: -3px;
	left: 0;
	height: var(--npf-bar);
	border-radius: var(--npf-bar);
	background: var(--npf-accent);
	content: "";
}

.npf-portfolio--filters-tabs .npf-filters.has-indicator .npf-filters__link::after {
	display: none;
}

.npf-portfolio--filters-tabs .npf-filters.has-indicator .npf-filters__indicator {
	position: absolute;
	bottom: 0;
	left: 0;
	display: block;
	width: var(--npf-bar-width, 0);
	height: var(--npf-bar);
	border-radius: var(--npf-bar);
	background: var(--npf-accent);
	transform: translateX(var(--npf-bar-x, 0));
	pointer-events: none;
}

/* 2. Segmented: one rounded track; a filled thumb slides behind the chosen Work Type. */
.npf-portfolio--filters-segmented .npf-filters {
	display: flex;
}

.npf-portfolio--filters-segmented .npf-filters__track {
	max-width: 100%;
	margin: 0;
	padding: 4px;
	border-radius: 999px;
	background: var(--npf-tint);
}

.npf-portfolio--filters-segmented .npf-filters__list {
	gap: 2px;
	min-width: 0;
}

.npf-portfolio--filters-segmented .npf-filters__link {
	align-items: center;
	padding: 0.5em 0.95em;
	font-size: calc(var(--npf-filter-size) * 0.94);
	border-radius: 999px;
}

.npf-portfolio--filters-segmented .npf-filters__link:hover:not([aria-current="true"]) {
	background: var(--npf-tint);
}

.npf-portfolio--filters-segmented .npf-filters__link[aria-current="true"] {
	background: var(--npf-accent);
	color: var(--npf-on-accent);
}

.npf-portfolio--filters-segmented .npf-filters__link:focus-visible {
	border-radius: 999px;
	outline-offset: -2px;
}

.npf-portfolio--filters-segmented .npf-filters__count {
	font-size: 0.72em;
	font-weight: 600;
}

.npf-portfolio--filters-segmented .npf-filters.has-indicator .npf-filters__link[aria-current="true"] {
	background: transparent;
}

.npf-portfolio--filters-segmented .npf-filters.has-indicator .npf-filters__indicator {
	position: absolute;
	top: 4px;
	bottom: 4px;
	left: 0;
	display: block;
	width: var(--npf-bar-width, 0);
	border-radius: 999px;
	background: var(--npf-accent);
	box-shadow: 0 1px 2px color-mix(in srgb, var(--npf-accent) 25%, transparent);
	transform: translateX(var(--npf-bar-x, 0));
	pointer-events: none;
}

.npf-filters.is-ready .npf-filters__indicator {
	transition: transform 0.38s cubic-bezier(0.22, 0.8, 0.24, 1), width 0.38s cubic-bezier(0.22, 0.8, 0.24, 1);
}

/* 3. Chips: soft tinted buttons with a round count badge; they wrap onto more lines. */
.npf-portfolio--filters-chips .npf-filters__track {
	margin: 0;
	padding: 0;
	overflow: visible;
}

.npf-portfolio--filters-chips .npf-filters__list {
	flex-wrap: wrap;
	gap: 0.5rem;
	width: auto;
}

.npf-portfolio--filters-chips .npf-filters__link {
	gap: 0.55em;
	align-items: center;
	padding: 0.5em 0.6em 0.5em 1.05em;
	border-radius: 999px;
	background: var(--npf-tint);
	color: inherit;
	font-size: 0.95em;
}

.npf-portfolio--filters-chips .npf-filters__link:hover {
	background: color-mix(in srgb, currentColor 12%, transparent);
}

.npf-portfolio--filters-chips .npf-filters__link[aria-current="true"] {
	background: var(--npf-accent);
	color: var(--npf-on-accent);
}

.npf-portfolio--filters-chips .npf-filters__link:focus-visible {
	border-radius: 999px;
	outline-offset: 2px;
}

.npf-portfolio--filters-chips .npf-filters__count {
	display: inline-grid;
	place-items: center;
	min-width: 1.75em;
	height: 1.75em;
	padding: 0 0.45em;
	border-radius: 999px;
	background: color-mix(in srgb, currentColor 10%, transparent);
	font-size: 0.75em;
	font-weight: 600;
}

.npf-portfolio--filters-chips .npf-filters__link[aria-current="true"] .npf-filters__count {
	background: color-mix(in srgb, currentColor 20%, transparent);
}

.npf-portfolio--filters-chips .npf-filters__link.is-empty:not([aria-current="true"]) {
	background: transparent;
	box-shadow: inset 0 0 0 1px var(--npf-line);
}

/* 4. Large type: the Work Types as one big line of type, separated by slashes. */
.npf-portfolio--filters-statement .npf-filters {
	margin-bottom: 1.25rem;
}

.npf-portfolio--filters-statement .npf-filters__track {
	margin: 0;
	padding: 0;
	overflow: visible;
	-webkit-mask-image: none !important;
	mask-image: none !important;
}

.npf-portfolio--filters-statement .npf-filters__list {
	flex-wrap: wrap;
	row-gap: 0.15em;
	align-items: baseline;
	width: auto;
	font-size: clamp(1.4rem, 0.9rem + 2.6vw, 3rem);
}

/* Slashes end each item (never start a line). */
.npf-portfolio--filters-statement .npf-filters__list li:not(:last-child)::after {
	margin: 0 0.3em 0 0.22em;
	color: var(--npf-line);
	font-weight: 300;
	content: "/";
	content: "/" / "";
}

.npf-portfolio--filters-statement .npf-filters__list li {
	display: inline-flex;
	align-items: baseline;
}

.npf-portfolio--filters-statement .npf-filters__link {
	gap: 0.12em;
	align-items: baseline;
	font-size: 1em;
	font-weight: 600;
	line-height: 1.12;
	letter-spacing: -0.025em;
}

.npf-portfolio--filters-statement .npf-filters__link[aria-current="true"] .npf-filters__name {
	text-decoration-line: underline;
	text-decoration-thickness: 0.06em;
	text-underline-offset: 0.14em;
}

.npf-portfolio--filters-statement .npf-filters__link:hover:not([aria-current="true"]) {
	color: color-mix(in srgb, currentColor 80%, transparent);
}

.npf-portfolio--filters-statement .npf-filters__count {
	align-self: flex-start;
	margin-top: 0.2em;
	font-size: 0.34em;
	font-weight: 600;
	letter-spacing: 0;
}

.npf-portfolio__status {
	margin: 0 0 1.5rem;
	color: var(--npf-muted);
	font-size: 0.875em;
}

/* While a filter loads, the current projects fade back a little. */
.npf-portfolio__grid {
	transition: opacity 0.2s ease;
}

.npf-portfolio__grid[aria-busy="true"] {
	opacity: 0.45;
}

/* Grid */
.npf-portfolio__grid {
	display: grid;
	grid-template-columns: repeat(var(--npf-columns), minmax(0, 1fr));
	grid-auto-flow: dense;
	gap: var(--npf-gap);
	margin: 0;
	padding: 0;
	list-style: none;
	transition: opacity 0.2s ease;
}

.npf-portfolio__grid[aria-busy="true"] {
	opacity: 0.45;
}

.npf-card-item {
	margin: 0;
}

/* Featured projects take two columns in the grid layout. */
.npf-portfolio--grid .npf-card-item.is-featured {
	grid-column: span 2;
}

.npf-portfolio--cols-2.npf-portfolio--grid .npf-card-item.is-featured {
	grid-column: 1 / -1;
}

/* Masonry: columns of cards at the images' natural shapes. */
.npf-portfolio--masonry .npf-portfolio__grid {
	display: block;
	columns: var(--npf-columns);
	column-gap: var(--npf-gap);
}

.npf-portfolio--masonry .npf-card-item {
	margin-bottom: var(--npf-gap);
	break-inside: avoid;
}

/* Card */
.npf-pcard {
	position: relative;
	display: flex;
	flex-direction: column;
	height: 100%;
}

.npf-pcard__media {
	position: relative;
	overflow: hidden;
	border-radius: var(--npf-radius);
	background: var(--npf-tint);
	aspect-ratio: 4 / 3;
}

.npf-portfolio--grid .is-featured .npf-pcard__media {
	aspect-ratio: 16 / 9;
}

.npf-portfolio--masonry .npf-pcard__media {
	aspect-ratio: auto;
}

.npf-pcard__image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
}

.npf-portfolio--masonry .npf-pcard__image {
	height: auto;
}

.npf-pcard:hover .npf-pcard__image,
.npf-pcard:focus-within .npf-pcard__image {
	transform: scale(1.04);
}

.npf-pcard__placeholder {
	display: grid;
	place-items: center;
	width: 100%;
	height: 100%;
	min-height: 10rem;
	color: var(--npf-muted);
	font-size: 3rem;
	font-weight: 700;
	text-transform: uppercase;
}

.npf-pcard__badge {
	position: absolute;
	top: 0.75rem;
	left: 0.75rem;
	padding: 0.25em 0.7em;
	border-radius: 999px;
	background: rgba(0, 0, 0, 0.72);
	color: #fff;
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.03em;
}

.npf-pcard__body {
	padding: 0.9rem 0.1rem 0;
}

.npf-pcard__type {
	margin: 0 0 0.3rem;
	color: var(--npf-muted);
	font-size: 0.78em;
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.npf-pcard__title {
	margin: 0;
	font-size: clamp(1.05rem, 1.6vw, 1.25rem);
	line-height: 1.3;
}

.npf-pcard__link {
	color: inherit;
	text-decoration: none;
}

/* The title link covers the whole card. */
.npf-pcard__link::after {
	position: absolute;
	inset: 0;
	border-radius: var(--npf-radius);
	content: "";
}

.npf-pcard__link:focus-visible {
	outline: none;
}

.npf-pcard__link:focus-visible::after {
	outline: 3px solid var(--npf-accent);
	outline-offset: 4px;
}

.npf-pcard:hover .npf-pcard__link {
	text-decoration: underline;
}

.npf-pcard__summary {
	margin: 0.4rem 0 0;
	color: var(--npf-muted);
	font-size: 0.95em;
	line-height: 1.5;
}

.npf-pcard__meta {
	margin: 0.5rem 0 0;
	font-size: 0.85em;
}

/* Load more */
.npf-portfolio__more {
	display: flex;
	justify-content: center;
	margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
}

.npf-portfolio__more[hidden] {
	display: none;
}

.npf-portfolio .npf-button {
	display: inline-flex;
	gap: 0.5em;
	align-items: center;
	padding: 0.8em 1.6em;
	border: 2px solid var(--npf-accent);
	border-radius: 999px;
	background: transparent;
	color: inherit;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
}

.npf-portfolio .npf-button:hover {
	background: var(--npf-accent);
	color: var(--npf-on-accent);
}

.npf-portfolio a:focus-visible {
	outline: 3px solid var(--npf-accent);
	outline-offset: 3px;
}

@media (max-width: 1000px) {
	.npf-portfolio--cols-3,
	.npf-portfolio--cols-4 {
		--npf-columns: 2;
	}
}

@media (max-width: 600px) {
	.npf-portfolio {
		--npf-columns: 1 !important;
	}

	.npf-portfolio--grid .npf-card-item.is-featured {
		grid-column: auto;
	}

	/* Chips scroll in one row on phones, like tabs and segmented. */
	.npf-portfolio--filters-chips .npf-filters__track {
		overflow-x: auto;
	}

	.npf-portfolio--filters-chips .npf-filters__list {
		flex-wrap: nowrap;
		width: max-content;
	}
}

@media (prefers-reduced-motion: reduce) {
	.npf-portfolio * {
		transition: none !important;
	}
}