/* ============================================================
   Portfolio Single — portfolio.css
   Loaded only on single portfolio posts (is_singular('portfolio')).
   Uses --p-accent and --p-accent-rgb set inline on .pf-wrap.
   ============================================================ */

/* ── Defaults (overridden by inline style on .pf-wrap) ───── */
.pf-wrap {
	--p-accent:     #6366f1;
	--p-accent-rgb: 99, 102, 241;
}

/* ── Shared section helpers ────────────────────────────────── */
.pf-section-light { background: var(--color-bg-light, #f5f7fc); }
.pf-section-dark  { background: var(--color-bg-dark,  #0b0f1e); color: #e8eaf0; }

.pf-section-label-group {
	margin-bottom: clamp(2rem, 4vw, 3rem);
	text-align: center;
}

.pf-section-label {
	display: inline-block;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--p-accent);
	margin-bottom: 0.5rem;
}

.pf-section-label-group h2 {
	font-size: clamp(1.5rem, 3vw, 2.25rem);
	font-weight: 700;
	color: var(--color-text, #1a1f36);
	margin: 0;
}

.pf-section-dark .pf-section-label-group h2 { color: #ffffff; }

/* ── Hero ─────────────────────────────────────────────────── */
.pf-hero {
	position: relative;
	min-height: 70vh;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	overflow: hidden;
	background: var(--color-bg-dark, #0b0f1e);
}

.pf-hero-bg {
	position: absolute;
	inset: 0;
}

.pf-hero-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
	display: block;
}

.pf-hero-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to bottom,
		rgba(11, 15, 30, 0.25) 0%,
		rgba(11, 15, 30, 0.65) 55%,
		rgba(11, 15, 30, 0.96) 100%
	);
}

.pf-hero-inner {
	position: relative;
	z-index: 1;
	padding-top: 8rem;
	padding-bottom: 4rem;
}

.pf-back {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.85rem;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.6);
	text-decoration: none;
	margin-bottom: 2.5rem;
	transition: color 0.2s;
}

.pf-back:hover { color: #fff; }

.pf-back-icon {
	width: 16px;
	height: 16px;
	transform: rotate(180deg);
	flex-shrink: 0;
}

.pf-type-badge {
	display: inline-block;
	padding: 0.3rem 0.9rem;
	border-radius: 100px;
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	background: rgba(var(--p-accent-rgb), 0.2);
	color: var(--p-accent);
	border: 1px solid rgba(var(--p-accent-rgb), 0.4);
	margin-bottom: 1.25rem;
}

.pf-title {
	font-size: clamp(2rem, 5vw, 3.5rem);
	font-weight: 800;
	color: #ffffff;
	margin: 0 0 0.75rem;
	line-height: 1.12;
	max-width: 18ch;
}

.pf-subtitle {
	font-size: clamp(1rem, 2vw, 1.2rem);
	color: rgba(255, 255, 255, 0.72);
	margin: 0;
	max-width: 58ch;
	line-height: 1.55;
}

.pf-hero-accent-bar {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 4px;
	background: var(--p-accent);
	z-index: 2;
}

/* ── Anchor Nav ───────────────────────────────────────────── */
.pf-anchor-nav {
	position: sticky;
	top: 64px;
	z-index: 100;
	background: rgba(11, 15, 30, 0.96);
	backdrop-filter: blur(14px);
	-webkit-backdrop-filter: blur(14px);
	border-bottom: 1px solid rgba(var(--p-accent-rgb), 0.25);
	transition: box-shadow 0.25s;
}

.pf-anchor-nav.is-scrolled {
	box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.pf-anchor-nav-inner {
	display: flex;
	align-items: center;
	gap: 1.25rem;
	padding-top: 0.75rem;
	padding-bottom: 0.75rem;
	overflow-x: auto;
	scrollbar-width: none;
}

.pf-anchor-nav-inner::-webkit-scrollbar { display: none; }

.pf-anchor-title {
	font-size: 0.78rem;
	font-weight: 700;
	color: rgba(255, 255, 255, 0.4);
	white-space: nowrap;
	flex-shrink: 0;
	display: none;
}

@media (min-width: 768px) {
	.pf-anchor-title { display: block; }
}

.pf-anchor-list {
	display: flex;
	align-items: center;
	gap: 0;
	list-style: none;
	margin: 0;
	padding: 0;
	flex-wrap: nowrap;
}

.pf-anchor-link {
	display: block;
	padding: 0.3rem 0.8rem;
	font-size: 0.8rem;
	font-weight: 500;
	color: rgba(255, 255, 255, 0.55);
	text-decoration: none;
	white-space: nowrap;
	border-radius: 5px;
	transition: color 0.2s, background 0.2s;
}

.pf-anchor-link:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }

.pf-anchor-link.is-active {
	color: var(--p-accent);
	background: rgba(var(--p-accent-rgb), 0.12);
}

/* ── Snapshot ─────────────────────────────────────────────── */
.pf-snapshot {
	padding: clamp(2rem, 4vw, 3rem) 0;
}

.pf-snapshot-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
	gap: 1.5rem 2rem;
	align-items: start;
}

.pf-snapshot-item {
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.pf-snapshot-skills {
	grid-column: 1 / -1;
}

.pf-snapshot-label {
	font-size: 0.68rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--p-accent);
}

.pf-snapshot-value {
	font-size: 1rem;
	font-weight: 600;
	color: var(--color-text, #1a1f36);
}

.pf-snapshot-link {
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--p-accent);
	text-decoration: none;
	transition: opacity 0.2s;
}

.pf-snapshot-link:hover { opacity: 0.7; }

.pf-skill-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-top: 0.25rem;
}

.pf-skill-pill {
	display: inline-block;
	padding: 0.22rem 0.65rem;
	border-radius: 100px;
	font-size: 0.73rem;
	font-weight: 500;
	background: rgba(var(--p-accent-rgb), 0.09);
	color: var(--p-accent);
	border: 1px solid rgba(var(--p-accent-rgb), 0.22);
}

/* ── Connected Specialties ────────────────────────────────── */
.pf-connected-specialties {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-specialties-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
	gap: 1rem;
}

.pf-specialty-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	gap: 0.75rem;
	padding: 1.5rem 1rem;
	border-radius: 12px;
	border: 1px solid;
	transition: transform 0.22s, box-shadow 0.22s;
}

.pf-specialty-card.is-active {
	border-color: rgba(var(--p-accent-rgb), 0.35);
	background: rgba(var(--p-accent-rgb), 0.07);
}

.pf-specialty-card.is-dim {
	border-color: rgba(255, 255, 255, 0.06);
	background: rgba(255, 255, 255, 0.02);
	opacity: 0.35;
}

.pf-specialty-card.is-active:hover {
	transform: translateY(-3px);
	box-shadow: 0 10px 28px rgba(var(--p-accent-rgb), 0.18);
}

.pf-specialty-icon {
	width: 2.5rem;
	height: 2.5rem;
	display: flex;
	align-items: center;
	justify-content: center;
}

.pf-specialty-icon svg {
	width: 28px;
	height: 28px;
}

.pf-specialty-card.is-active .pf-specialty-icon svg { color: var(--p-accent); }
.pf-specialty-card.is-dim .pf-specialty-icon svg    { color: rgba(255, 255, 255, 0.25); }

.pf-specialty-name {
	font-size: 0.8rem;
	font-weight: 600;
	line-height: 1.35;
}

.pf-specialty-card.is-active .pf-specialty-name { color: #ffffff; }
.pf-specialty-card.is-dim .pf-specialty-name    { color: rgba(255, 255, 255, 0.35); }

/* ── Overview ─────────────────────────────────────────────── */
.pf-overview {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-overview-inner {
	max-width: 760px;
}

.pf-overview .pf-section-label {
	display: block;
	margin-bottom: 1.25rem;
}

.pf-overview-text {
	font-size: clamp(1.1rem, 2.2vw, 1.35rem);
	line-height: 1.7;
	color: var(--color-text, #1a1f36);
	font-weight: 400;
	margin: 0;
}

/* ── Narrative (Challenge / Solution) ─────────────────────── */
.pf-challenge,
.pf-solution {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-narrative-block {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 768px) {
	.pf-narrative-block {
		grid-template-columns: 200px 1fr;
		gap: 3.5rem;
	}
}

.pf-narrative-label { padding-top: 0.2rem; }

.pf-narrative-heading {
	font-size: clamp(1.4rem, 2.8vw, 2rem);
	font-weight: 700;
	margin: 0 0 1.25rem;
}

.pf-section-dark  .pf-narrative-heading { color: #ffffff; }
.pf-section-light .pf-narrative-heading { color: var(--color-text, #1a1f36); }

.pf-narrative-text {
	font-size: 1.05rem;
	line-height: 1.78;
	margin: 0;
}

.pf-section-dark  .pf-narrative-text { color: rgba(255, 255, 255, 0.78); }
.pf-section-light .pf-narrative-text { color: var(--color-text, #1a1f36); }

/* ── Business Value ───────────────────────────────────────── */
.pf-business-value {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-bv-inner {
	max-width: 760px;
	margin: 0 auto;
}

.pf-bv-summary {
	font-size: 1.1rem;
	line-height: 1.72;
	color: rgba(255, 255, 255, 0.82);
	margin: 0 0 2rem;
}

.pf-outcomes-list {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.pf-outcome-item {
	display: flex;
	align-items: flex-start;
	gap: 0.85rem;
	font-size: 1rem;
	line-height: 1.5;
	color: rgba(255, 255, 255, 0.88);
}

.pf-outcome-check {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	min-width: 20px;
	background: var(--p-accent);
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-top: 2px;
}

.pf-outcome-check svg {
	width: 11px;
	height: 11px;
	color: #fff;
	stroke-width: 3;
}

/* ── Technical Highlights ─────────────────────────────────── */
.pf-tech-highlights {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-tech-list {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.75rem;
	list-style: none;
	margin: 0 auto;
	padding: 0;
	max-width: 820px;
}

@media (min-width: 640px) {
	.pf-tech-list { grid-template-columns: 1fr 1fr; }
}

.pf-tech-item {
	position: relative;
	padding: 0.9rem 1rem 0.9rem 2.6rem;
	background: #fff;
	border-radius: 8px;
	border: 1px solid var(--color-border, #e5e7eb);
	font-size: 0.9rem;
	line-height: 1.45;
	color: var(--color-text, #1a1f36);
	font-weight: 500;
}

.pf-tech-item::before {
	content: '';
	position: absolute;
	left: 1rem;
	top: 50%;
	transform: translateY(-50%);
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--p-accent);
}

/* ── Gallery ──────────────────────────────────────────────── */
.pf-gallery {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-gallery-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 640px) {
	.pf-gallery-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
	.pf-gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

.pf-gallery-item {
	margin: 0;
	border-radius: 10px;
	overflow: hidden;
	border: 1px solid rgba(255, 255, 255, 0.07);
	background: rgba(255, 255, 255, 0.03);
}

.pf-gallery-item img {
	width: 100%;
	height: 220px;
	object-fit: cover;
	display: block;
	transition: transform 0.35s;
}

.pf-gallery-item:hover img { transform: scale(1.03); }

/* ── Process ──────────────────────────────────────────────── */
.pf-process {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-process-steps {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

@media (min-width: 640px) {
	.pf-process-steps { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
	.pf-process-steps { grid-template-columns: repeat(3, 1fr); }
}

.pf-process-step {
	display: flex;
	align-items: flex-start;
	gap: 1rem;
	padding: 1.25rem;
	background: #fff;
	border-radius: 10px;
	border: 1px solid var(--color-border, #e5e7eb);
	border-left: 3px solid var(--p-accent);
}

.pf-process-num {
	font-size: 1.2rem;
	font-weight: 800;
	color: var(--p-accent);
	flex-shrink: 0;
	line-height: 1;
	margin-top: 2px;
}

.pf-process-title {
	font-size: 0.9rem;
	font-weight: 700;
	color: var(--color-text, #1a1f36);
	display: block;
	margin-bottom: 0.3rem;
}

.pf-process-desc {
	font-size: 0.83rem;
	line-height: 1.5;
	color: var(--color-muted, #6b7280);
	margin: 0;
}

/* ── Skills ───────────────────────────────────────────────── */
.pf-skills {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-skills-pills {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	justify-content: center;
}

.pf-skill-pill-lg {
	display: inline-block;
	padding: 0.5rem 1.25rem;
	border-radius: 100px;
	font-size: 0.9rem;
	font-weight: 600;
	background: rgba(var(--p-accent-rgb), 0.1);
	color: var(--p-accent);
	border: 1px solid rgba(var(--p-accent-rgb), 0.28);
	transition: background 0.2s, transform 0.2s;
	cursor: default;
}

.pf-skill-pill-lg:hover {
	background: rgba(var(--p-accent-rgb), 0.2);
	transform: translateY(-1px);
}

/* ── AI Value ─────────────────────────────────────────────── */
.pf-ai-value {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-ai-inner {
	display: grid;
	grid-template-columns: 1fr;
	gap: 2.5rem;
	max-width: 920px;
	margin: 0 auto;
}

@media (min-width: 768px) {
	.pf-ai-inner { grid-template-columns: 240px 1fr; }
}

.pf-ai-label-group .pf-section-label {
	color: var(--color-secondary, #06b6d4);
}

.pf-ai-label-group h2 {
	font-size: clamp(1.4rem, 2.5vw, 2rem);
	font-weight: 700;
	color: var(--color-text, #1a1f36);
	margin: 0.5rem 0 0;
}

.pf-ai-points {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.pf-ai-point {
	display: flex;
	align-items: flex-start;
	gap: 1rem;
}

.pf-ai-icon {
	font-size: 1.4rem;
	flex-shrink: 0;
	line-height: 1;
	margin-top: 1px;
}

.pf-ai-point strong {
	display: block;
	font-size: 0.98rem;
	font-weight: 700;
	color: var(--color-text, #1a1f36);
	margin-bottom: 0.3rem;
}

.pf-ai-point p {
	font-size: 0.88rem;
	line-height: 1.62;
	color: var(--color-muted, #6b7280);
	margin: 0;
}

/* ── CTA ──────────────────────────────────────────────────── */
.pf-cta {
	padding: clamp(4rem, 8vw, 6rem) 0;
}

.pf-cta-inner {
	text-align: center;
	max-width: 640px;
	margin: 0 auto;
}

.pf-cta h2 {
	font-size: clamp(1.75rem, 3.5vw, 2.5rem);
	font-weight: 800;
	color: #ffffff;
	margin: 0 0 1rem;
}

.pf-cta-sub {
	font-size: 1.05rem;
	line-height: 1.65;
	color: rgba(255, 255, 255, 0.68);
	margin: 0 0 2rem;
}

.pf-cta-actions {
	display: flex;
	gap: 1rem;
	justify-content: center;
	flex-wrap: wrap;
}

/* ── Related Projects ─────────────────────────────────────── */
.pf-related {
	padding: clamp(3rem, 6vw, 5rem) 0;
}

.pf-related-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.5rem;
}

@media (min-width: 640px) {
	.pf-related-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
	.pf-related-grid { grid-template-columns: repeat(3, 1fr); }
}

.pf-related-card {
	background: #fff;
	border-radius: 12px;
	border: 1px solid var(--color-border, #e5e7eb);
	border-top: 3px solid var(--p-accent);
	overflow: hidden;
	transition: transform 0.25s, box-shadow 0.25s;
}

.pf-related-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 10px 28px rgba(0, 0, 0, 0.1);
}

.pf-related-img {
	height: 155px;
	overflow: hidden;
}

.pf-related-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.32s;
}

.pf-related-card:hover .pf-related-img img { transform: scale(1.04); }

.pf-related-body {
	padding: 1.25rem;
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.pf-related-type {
	font-size: 0.67rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--p-accent);
}

.pf-related-title {
	font-size: 1rem;
	font-weight: 700;
	margin: 0;
}

.pf-related-title a {
	color: var(--color-text, #1a1f36);
	text-decoration: none;
	transition: color 0.2s;
}

.pf-related-title a:hover { color: var(--p-accent); }

.pf-related-sub {
	font-size: 0.83rem;
	color: var(--color-muted, #6b7280);
	margin: 0;
	line-height: 1.4;
}

.pf-related-link {
	display: inline-block;
	font-size: 0.83rem;
	font-weight: 600;
	color: var(--p-accent);
	text-decoration: none;
	margin-top: 0.35rem;
	transition: opacity 0.2s;
}

.pf-related-link:hover { opacity: 0.7; }