/* ── Feature landing pages shared template ──────────────────────────────── */
/* Used by pages/features/*.html — /features/forge, /features/scan, etc.    */
/* Pulls exclusively from the design tokens in style.css :root.              */

/* ── Layout shell ─────────────────────────────────────────────────────── */
/* The page canvas has to come from the same token body uses. A hardcoded #000
   here kept the background black while [data-theme="light"] flipped --ink to
   near-black ink, which left the whole page dark-on-dark and unreadable for
   anyone who picked the light theme. */
.fl-page {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	background: var(--bg-0);
	color: var(--ink);
}

.fl-main {
	flex: 1;
}

/* ── Section common ────────────────────────────────────────────────────── */
.fl-section {
	max-width: 1100px;
	margin: 0 auto;
	padding: var(--space-2xl) var(--space-md);
}

@media (max-width: 768px) {
	.fl-section {
		padding: var(--space-xl) var(--space-md);
	}
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
.fl-hero {
	position: relative;
	overflow: hidden;
	border-bottom: 1px solid var(--stroke);
}

.fl-hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background:
		radial-gradient(ellipse 900px 500px at 50% -60px, rgba(255,255,255,0.04) 0%, transparent 70%),
		radial-gradient(ellipse 600px 300px at 20% 100%, rgba(255,255,255,0.02) 0%, transparent 60%);
	pointer-events: none;
}

.fl-hero-inner {
	max-width: 1100px;
	margin: 0 auto;
	padding: var(--space-2xl) var(--space-md) var(--space-xl);
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-xl);
	align-items: center;
}

@media (max-width: 768px) {
	.fl-hero-inner {
		grid-template-columns: 1fr;
		padding: var(--space-xl) var(--space-md);
	}
}

.fl-hero-copy {
	display: flex;
	flex-direction: column;
	gap: var(--space-md);
}

.fl-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--font-mono);
	font-size: var(--text-xs);
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-dim);
	border: 1px solid var(--stroke);
	border-radius: var(--radius-pill);
	padding: 0.3rem 0.75rem;
	width: fit-content;
}

.fl-eyebrow-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--accent);
	opacity: 0.7;
}

.fl-hero h1 {
	font-family: var(--font-display);
	font-size: clamp(1.8rem, 4.5vw, 3rem);
	font-weight: 800;
	line-height: 1.1;
	letter-spacing: -0.025em;
	color: var(--ink);
	margin: 0;
}

.fl-hero-sub {
	font-size: var(--text-lg);
	line-height: 1.6;
	color: var(--ink-dim);
	margin: 0;
	max-width: 46ch;
}

.fl-hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-sm);
	margin-top: var(--space-xs);
}

/* Primary CTA button */
.fl-btn-primary {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	background: var(--accent);
	/* Light theme remaps --accent to a real blue and --btn-primary-fg to white;
	   a hardcoded black here dropped the CTA to 4.06:1 on that fill. */
	color: var(--btn-primary-fg, #0a0a0a);
	font-family: var(--font-body);
	font-size: var(--text-sm);
	font-weight: 700;
	letter-spacing: 0.02em;
	border: none;
	border-radius: var(--btn-radius);
	padding: var(--space-sm) var(--space-lg);
	cursor: pointer;
	text-decoration: none;
	transition: opacity var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}

.fl-btn-primary:hover {
	opacity: 0.88;
	transform: translateY(-1px);
}

.fl-btn-primary:active {
	opacity: 0.75;
	transform: translateY(0);
}

.fl-btn-primary:focus-visible {
	outline: 2px solid var(--focus-ring-color);
	outline-offset: 3px;
}

/* Ghost / secondary button */
.fl-btn-ghost {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	background: var(--surface-2);
	color: var(--ink);
	font-family: var(--font-body);
	font-size: var(--text-sm);
	font-weight: 600;
	border: 1px solid var(--stroke-strong);
	border-radius: var(--btn-radius);
	padding: var(--space-sm) var(--space-lg);
	cursor: pointer;
	text-decoration: none;
	transition: background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);
}

.fl-btn-ghost:hover {
	background: var(--surface-3);
	border-color: var(--stroke-strong);
	transform: translateY(-1px);
}

.fl-btn-ghost:active {
	background: var(--surface-3);
	transform: translateY(0);
}

.fl-btn-ghost:focus-visible {
	outline: 2px solid var(--focus-ring-color);
	outline-offset: 3px;
}

/* ── Hero preview pane ──────────────────────────────────────────────────── */
.fl-hero-preview {
	position: relative;
	border-radius: var(--radius-card);
	border: 1px solid var(--stroke);
	background: var(--surface-1);
	overflow: hidden;
	aspect-ratio: 4 / 3;
	display: flex;
	align-items: center;
	justify-content: center;
}

@media (max-width: 768px) {
	.fl-hero-preview {
		aspect-ratio: 16 / 9;
		order: -1;
	}
}

/* The still render and the live viewer occupy the same box so the pane never
   collapses or jumps between them. The still is the loading state and the
   third-party-failure fallback; the viewer fades in over it once it is up. */
.fl-preview-still,
.fl-hero-preview model-viewer {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	background: transparent;
}

/* Captured at the shell's own 4/3 framing, so on a desktop pane the still and
   the live render line up and the crossfade holds the avatar in place. */
.fl-preview-still {
	object-fit: contain;
}

.fl-hero-preview model-viewer {
	opacity: 0;
	transition: opacity var(--duration-slow) var(--ease-standard);
	--poster-color: transparent;
	--progress-bar-color: var(--ink-dim);
}

.fl-hero-preview[data-state="ready"] model-viewer {
	opacity: 1;
}

.fl-hero-preview[data-state="ready"] .fl-preview-still {
	display: none;
}

/* A viewer that never came up must not sit on top of the still swallowing
   drags that will never do anything. */
.fl-hero-preview[data-state="still"] model-viewer {
	display: none;
}

/* camera-controls puts a tab stop inside model-viewer's shadow root, where it
   picks up only the UA's near-black 1px outline: invisible on this surface, and
   unreachable from here because a selector cannot cross the shadow boundary.
   :focus-within does see that focus, so the ring goes on the pane instead. */
.fl-hero-preview:focus-within {
	outline: 2px solid var(--focus-ring-color);
	outline-offset: 2px;
}

.fl-preview-label {
	position: absolute;
	bottom: var(--space-sm);
	left: var(--space-sm);
	font-family: var(--font-mono);
	font-size: var(--text-xs);
	color: var(--ink-dim);
	background: var(--surface-2);
	border: 1px solid var(--stroke);
	border-radius: var(--radius-pill);
	padding: 0.2rem 0.6rem;
	max-width: calc(100% - var(--space-sm) * 2);
}

.fl-preview-state {
	display: none;
}

.fl-hero-preview[data-state="loading"] .fl-preview-state[data-when="loading"],
.fl-hero-preview[data-state="ready"] .fl-preview-state[data-when="ready"],
.fl-hero-preview[data-state="still"] .fl-preview-state[data-when="still"] {
	display: inline;
}

/* ── How it works ──────────────────────────────────────────────────────── */
.fl-how {
	border-top: 1px solid var(--stroke);
}

.fl-section-label {
	font-family: var(--font-mono);
	font-size: var(--text-xs);
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-dim);
	margin-bottom: var(--space-md);
}

.fl-how h2 {
	font-family: var(--font-display);
	font-size: clamp(1.4rem, 3vw, 2rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin: 0 0 var(--space-xl);
}

.fl-steps {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-md);
}

@media (max-width: 768px) {
	.fl-steps {
		grid-template-columns: 1fr;
		gap: var(--space-sm);
	}
}

.fl-step {
	background: var(--surface-1);
	border: 1px solid var(--stroke);
	border-radius: var(--radius-card);
	padding: var(--space-lg);
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
	transition: border-color var(--duration-base) var(--ease-standard), background var(--duration-base) var(--ease-standard);
}

.fl-step:hover {
	border-color: var(--stroke-strong);
	background: var(--surface-2);
}

.fl-step-num {
	font-family: var(--font-mono);
	font-size: var(--text-xs);
	font-weight: 700;
	color: var(--accent);
	opacity: 0.5;
	letter-spacing: 0.1em;
}

.fl-step h3 {
	font-family: var(--font-display);
	font-size: var(--text-lg);
	font-weight: 700;
	color: var(--ink);
	margin: 0;
	line-height: 1.3;
}

.fl-step p {
	font-size: var(--text-base);
	line-height: 1.6;
	color: var(--ink-dim);
	margin: 0;
}

/* ── Feature highlight cards (optional second preview) ─────────────────── */
.fl-highlights {
	border-top: 1px solid var(--stroke);
}

.fl-highlights h2 {
	font-family: var(--font-display);
	font-size: clamp(1.4rem, 3vw, 2rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin: 0 0 var(--space-xl);
}

.fl-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: var(--space-md);
}

.fl-card {
	background: var(--card-bg);
	border: 1px solid var(--card-border);
	border-radius: var(--card-radius);
	padding: var(--card-pad);
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
	transition: border-color var(--duration-base) var(--ease-standard);
}

.fl-card:hover {
	border-color: var(--card-border-hover);
}

.fl-card-icon {
	font-size: 1.5rem;
	line-height: 1;
}

.fl-card h3 {
	font-family: var(--font-display);
	font-size: var(--text-lg);
	font-weight: 700;
	color: var(--ink);
	margin: 0;
}

.fl-card p {
	font-size: var(--text-base);
	line-height: 1.6;
	color: var(--ink-dim);
	margin: 0;
}

/* ── Live demo / preview section ───────────────────────────────────────── */
.fl-demo {
	border-top: 1px solid var(--stroke);
}

.fl-demo h2 {
	font-family: var(--font-display);
	font-size: clamp(1.4rem, 3vw, 2rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin: 0 0 var(--space-md);
}

.fl-demo-wrap {
	border: 1px solid var(--stroke);
	border-radius: var(--radius-card);
	background: var(--surface-1);
	overflow: hidden;
}

.fl-demo-bar {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	padding: var(--space-sm) var(--space-md);
	border-bottom: 1px solid var(--stroke);
	background: var(--surface-2);
}

.fl-demo-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--stroke-strong);
}

.fl-demo-title {
	font-family: var(--font-mono);
	font-size: var(--text-xs);
	color: var(--ink-dim);
}

.fl-demo-content {
	position: relative;
	min-height: 320px;
}

/* ── FAQ ───────────────────────────────────────────────────────────────── */
.fl-faq {
	border-top: 1px solid var(--stroke);
}

.fl-faq h2 {
	font-family: var(--font-display);
	font-size: clamp(1.4rem, 3vw, 2rem);
	font-weight: 700;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin: 0 0 var(--space-xl);
}

.fl-faq-list {
	display: flex;
	flex-direction: column;
	gap: 0;
	border: 1px solid var(--stroke);
	border-radius: var(--radius-card);
	overflow: hidden;
}

.fl-faq-item {
	border-bottom: 1px solid var(--stroke);
}

.fl-faq-item:last-child {
	border-bottom: none;
}

/* The question is the panel's heading, so it carries an <h3> for the document
   outline. The heading itself contributes no box of its own. */
.fl-faq-h {
	margin: 0;
	font: inherit;
}

.fl-faq-q {
	width: 100%;
	background: var(--surface-1);
	border: none;
	color: var(--ink);
	font-family: var(--font-body);
	font-size: var(--text-base);
	font-weight: 600;
	line-height: 1.5;
	text-align: left;
	padding: var(--space-md) var(--space-lg);
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
	transition: background var(--duration-fast) var(--ease-standard);
}

.fl-faq-q:hover {
	background: var(--surface-2);
}

.fl-faq-q:focus-visible {
	outline: 2px solid var(--focus-ring-color);
	outline-offset: -2px;
}

.fl-faq-q[aria-expanded="true"] {
	background: var(--surface-2);
}

.fl-faq-chevron {
	flex-shrink: 0;
	width: 16px;
	height: 16px;
	color: var(--ink-dim);
	transition: transform var(--duration-base) var(--ease-standard);
}

.fl-faq-q[aria-expanded="true"] .fl-faq-chevron {
	transform: rotate(180deg);
}

.fl-faq-a {
	display: none;
	padding: 0 var(--space-lg) var(--space-md);
	font-size: var(--text-base);
	line-height: 1.7;
	color: var(--ink-dim);
	background: var(--surface-1);
}

.fl-faq-a p {
	margin: 0;
}

.fl-faq-link {
	color: var(--ink);
}

.fl-faq-a.open {
	display: block;
	animation: fl-faq-reveal 0.22s ease both;
}

@keyframes fl-faq-reveal {
	from {
		opacity: 0;
		transform: translateY(-4px);
	}
	to {
		opacity: 1;
		transform: none;
	}
}

/* ── Final CTA band ────────────────────────────────────────────────────── */
.fl-cta-band {
	border-top: 1px solid var(--stroke);
	background: var(--surface-1);
}

.fl-cta-inner {
	max-width: 1100px;
	margin: 0 auto;
	padding: var(--space-2xl) var(--space-md);
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	gap: var(--space-md);
}

.fl-cta-inner h2 {
	font-family: var(--font-display);
	font-size: clamp(1.6rem, 3.5vw, 2.5rem);
	font-weight: 800;
	letter-spacing: -0.025em;
	color: var(--ink);
	margin: 0;
}

.fl-cta-inner p {
	font-size: var(--text-lg);
	line-height: 1.6;
	color: var(--ink-dim);
	margin: 0;
	max-width: 48ch;
}

.fl-cta-actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-sm);
	justify-content: center;
	margin-top: var(--space-xs);
}

/* ── Breadcrumb ─────────────────────────────────────────────────────────── */
.fl-breadcrumb {
	padding: var(--space-md) var(--space-md) 0;
	max-width: 1100px;
	margin: 0 auto;
	font-size: var(--text-sm);
	color: var(--ink-dim);
	display: flex;
	align-items: center;
	gap: var(--space-xs);
}

.fl-breadcrumb a {
	color: var(--ink-dim);
	text-decoration: none;
	transition: color var(--duration-fast);
}

.fl-breadcrumb a:hover {
	color: var(--ink);
}

.fl-breadcrumb-sep {
	opacity: 0.4;
}

.fl-breadcrumb-current {
	color: var(--ink);
}

/* ── Responsive overrides ──────────────────────────────────────────────── */
@media (max-width: 480px) {
	.fl-hero h1 {
		font-size: 1.7rem;
	}

	.fl-hero-sub {
		font-size: var(--text-base);
	}

	.fl-cta-inner h2 {
		font-size: 1.6rem;
	}

	.fl-demo-content {
		min-height: 220px;
	}
}

/* ── Reduced motion ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
	.fl-btn-primary,
	.fl-btn-ghost,
	.fl-faq-chevron,
	.fl-hero-preview model-viewer,
	.fl-step {
		transition: none;
	}

	.fl-faq-a.open {
		animation: none;
	}
}