/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: var(--nav-h); } /* Lenis drives smooth scroll; native is the reduced-motion fallback */
body {
	margin: 0;
	background: var(--grad-base), var(--bg);
	background-attachment: fixed;
	color: var(--text);
	font-family: var(--font-body);
	font-size: var(--fs-base);
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
#main { display: block; }
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }

/* ---------- Accessibility ---------- */
.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	background: var(--accent);
	color: #fff;
	padding: 0.75em 1.25em;
	z-index: 10000;
	font-size: var(--fs-sm);
	border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; top: 0; }
:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
}
.screen-reader-text,
.visually-hidden {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

/* ---------- Layout ---------- */
.container {
	max-width: var(--max-width);
	margin-inline: auto;
	padding-inline: var(--gutter);
}
.section { padding-block: var(--space-6); }
.section.bg-alt { background: var(--grad-alt); }
@media (max-width: 640px) {
	.section { padding-block: var(--space-5); }
}

/* ---------- Typography ---------- */
.eyebrow {
	display: inline-block;
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: var(--accent);
	margin-bottom: var(--space-2);
}
.display-1 { font-family: var(--font-display); font-size: var(--fs-hero); font-weight: 600; line-height: 1.04; letter-spacing: -0.02em; }
.display-2 { font-family: var(--font-display); font-size: var(--fs-xxl); font-weight: 600; line-height: 1.06; letter-spacing: -0.015em; }
.display-3 { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }
.lede { font-size: var(--fs-md); color: var(--text-dim); font-weight: 400; max-width: 42ch; line-height: 1.5; }
.mono { font-family: var(--font-mono); font-size: var(--fs-sm); color: var(--text-dim); }
.text-accent { color: var(--accent); }

/* ---------- Buttons / links ---------- */
.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.5em;
	font-size: var(--fs-sm);
	font-weight: 500;
	letter-spacing: 0;
	padding: 0.8em 1.4em;
	border: 1px solid var(--border-strong);
	border-radius: var(--radius-pill);
	background: var(--surface);
	transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.btn:hover, .btn:focus-visible { border-color: var(--accent); color: var(--accent); }
.btn-solid { background: var(--grad-accent); color: var(--on-accent); border-color: var(--accent); font-weight: 600; }
.btn-solid:hover, .btn-solid:focus-visible { border-color: var(--accent-dim); color: var(--on-accent); transform: translateY(-1px); filter: brightness(1.08); }
.link-arrow { position: relative; display: inline-flex; align-items: center; gap: 0.3em; color: var(--accent); font-weight: 500; }
.link-arrow::after { content: '\203A'; font-size: 1.1em; transition: transform var(--dur-fast) var(--ease-out); }
.link-arrow:hover::after { transform: translateX(3px); }

/* ---------- Top navigation: fixed, translucent, condenses on scroll ---------- */
.zi-nav {
	position: fixed;
	top: 0; left: 0; right: 0;
	z-index: var(--z-nav);
	height: var(--nav-h);
	display: flex;
	align-items: center;
	background: color-mix(in srgb, var(--bg) 75%, transparent);
	backdrop-filter: saturate(180%) blur(20px);
	-webkit-backdrop-filter: saturate(180%) blur(20px);
	border-bottom: 1px solid transparent;
	transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.zi-nav.is-scrolled { border-bottom-color: var(--border); }
.zi-nav { transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), transform var(--dur-base) var(--ease-out); }
.zi-nav.is-hidden { transform: translateY(-100%); }
.zi-nav-inner {
	max-width: var(--max-width);
	width: 100%;
	margin-inline: auto;
	padding-inline: var(--gutter);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-3);
}
.zi-nav-mark {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: var(--fs-md);
	letter-spacing: -0.01em;
	flex-shrink: 0;
}
.zi-nav-links {
	display: flex;
	align-items: center;
	gap: var(--space-4);
}
.zi-nav-links a {
	font-size: var(--fs-xs);
	font-weight: 500;
	color: var(--text-dim);
	white-space: nowrap;
	transition: color var(--dur-fast) var(--ease-out);
}
.zi-nav-links a:hover, .zi-nav-links a.is-active { color: var(--text); }
.zi-nav-cta {
	flex-shrink: 0;
}
.zi-nav-cta .btn { padding: 0.55em 1.2em; font-size: var(--fs-xs); }
.zi-nav-toggle {
	display: none;
	width: 32px; height: 32px;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}
.zi-nav-toggle span,
.zi-nav-toggle span::before,
.zi-nav-toggle span::after {
	content: '';
	display: block;
	width: 18px;
	height: 1.5px;
	background: var(--text);
	position: relative;
	transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.zi-nav-toggle span::before { position: absolute; top: -6px; }
.zi-nav-toggle span::after { position: absolute; top: 6px; }
.zi-nav[data-open="true"] .zi-nav-toggle span { background: transparent; }
.zi-nav[data-open="true"] .zi-nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.zi-nav[data-open="true"] .zi-nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }
.zi-nav-mobile { display: none; }

@media (max-width: 860px) {
	.zi-nav-links { display: none; }
	.zi-nav-cta { display: none; }
	.zi-nav-toggle { display: flex; }
	.zi-nav-mobile {
		position: fixed;
		top: var(--nav-h); left: 0; right: 0;
		background: var(--bg);
		border-bottom: 1px solid var(--border);
		display: flex;
		flex-direction: column;
		padding: var(--space-2) var(--gutter) var(--space-3);
		transform: translateY(-8px);
		opacity: 0;
		pointer-events: none;
		transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
	}
	.zi-nav[data-open="true"] .zi-nav-mobile { opacity: 1; transform: none; pointer-events: auto; }
	.zi-nav-mobile a {
		padding: 0.9em 0;
		border-top: 1px solid var(--border);
		font-size: var(--fs-base);
		color: var(--text);
	}
	.zi-nav-mobile .btn { margin-top: var(--space-2); align-self: flex-start; }
}

/* ---------- Cinematic footer (see footer.js for marquee/magnetic/back-to-top) ---------- */
.zi-cinefooter {
	position: relative;
	overflow: hidden;
	border-top: 1px solid var(--border);
	background: var(--grad-alt), #000;
	padding-top: var(--space-6);
	padding-bottom: calc(var(--space-6) + 2vw);
}
.zi-cinefooter-aurora {
	position: absolute;
	left: 50%; top: 20%;
	width: 70vw; height: 50vw;
	max-width: 900px; max-height: 640px;
	transform: translate(-50%, -50%);
	background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
	filter: blur(60px);
	animation: zi-footer-breathe 8s ease-in-out infinite alternate;
	pointer-events: none;
}
@keyframes zi-footer-breathe {
	0% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
	100% { opacity: 0.9; transform: translate(-50%, -50%) scale(1.15); }
}
.zi-cinefooter-grid {
	position: absolute;
	inset: 0;
	background-image: var(--pattern-dots);
	background-size: var(--pattern-size);
	mask-image: linear-gradient(to bottom, transparent, black 25%, black 80%, transparent);
	-webkit-mask-image: linear-gradient(to bottom, transparent, black 25%, black 80%, transparent);
	pointer-events: none;
}
.zi-cinefooter-giant {
	position: absolute;
	left: 50%; bottom: 1vw;
	transform: translateX(-50%);
	font-family: var(--font-display);
	font-weight: 800;
	font-size: 11vw;
	line-height: 0.85;
	letter-spacing: -0.03em;
	white-space: nowrap;
	color: transparent;
	-webkit-text-stroke: 1px var(--border-strong);
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, transparent 65%);
	-webkit-background-clip: text;
	background-clip: text;
	pointer-events: none;
	user-select: none;
}
.zi-cinefooter-marquee {
	position: relative;
	z-index: 1;
	overflow: hidden;
	border-block: 1px solid var(--border);
	background: color-mix(in srgb, var(--bg) 70%, transparent);
	backdrop-filter: blur(10px);
	padding-block: var(--space-2);
	transform: rotate(-1.2deg) scale(1.04);
	margin-bottom: var(--space-6);
}
.zi-cinefooter-marquee-track {
	display: flex;
	width: max-content;
	gap: 0.75em;
	white-space: nowrap;
	font-size: var(--fs-xs);
	font-weight: 700;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--text-dim);
	animation: zi-footer-marquee 37s linear infinite;
}
.zi-cinefooter-marquee-track span { padding-inline: 0.4em; }
@keyframes zi-footer-marquee {
	from { transform: translateX(0); }
	to { transform: translateX(-50%); }
}
.zi-cinefooter-main {
	position: relative;
	z-index: 1;
	max-width: var(--max-width);
	margin-inline: auto;
	padding-inline: var(--gutter);
	text-align: center;
}
.zi-cinefooter-links { margin-top: var(--space-3); display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; }
.zi-magnetic { display: inline-block; will-change: transform; }
.zi-cinefooter-pill {
	padding: 0.8em 1.6em;
	border-radius: var(--radius-pill);
	border: 1px solid var(--border-strong);
	background: var(--surface);
	font-size: var(--fs-sm);
	font-weight: 600;
	transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.zi-cinefooter-pill:hover { border-color: var(--accent); color: var(--accent); }
.zi-cinefooter-bottom {
	position: relative;
	z-index: 1;
	max-width: var(--max-width);
	margin: var(--space-6) auto 0;
	padding-inline: var(--gutter);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: var(--space-2) var(--space-3);
}
.zi-cinefooter-copy { color: var(--text-faint); font-size: var(--fs-xs); }
.zi-cinefooter-heart {
	display: inline-flex;
	align-items: center;
	gap: 0.4em;
	padding: 0.6em 1.2em;
	border-radius: var(--radius-pill);
	border: 1px solid var(--border);
	color: var(--text-faint);
	font-size: var(--fs-xs);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
}
.zi-heartbeat { color: var(--danger); animation: zi-footer-heartbeat 2s cubic-bezier(.25,1,.5,1) infinite; }
@keyframes zi-footer-heartbeat {
	0%, 100% { transform: scale(1); }
	15%, 45% { transform: scale(1.25); }
	30% { transform: scale(1); }
}
.zi-cinefooter-top {
	width: 42px; height: 42px;
	border-radius: 50%;
	border: 1px solid var(--border-strong);
	background: var(--surface);
	color: var(--text-dim);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.zi-cinefooter-top:hover { color: var(--accent); border-color: var(--accent); }
@media (max-width: 640px) {
	.zi-cinefooter-giant { font-size: 16vw; }
	.zi-cinefooter-bottom { justify-content: center; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
	.zi-cinefooter-aurora, .zi-cinefooter-marquee-track, .zi-heartbeat { animation: none; }
}

/* ---------- Custom cursor (desktop only, see cursor.js) ---------- */
.zi-cursor {
	position: fixed;
	top: 0; left: 0;
	width: 10px; height: 10px;
	border-radius: 50%;
	background: var(--accent);
	pointer-events: none;
	z-index: var(--z-cursor);
	transform: translate(-50%, -50%);
	mix-blend-mode: normal;
	transition: width var(--dur-fast) var(--ease-out), height var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
	opacity: 0;
}
.zi-cursor.is-active { opacity: 0.85; }
.zi-cursor.is-hover { width: 52px; height: 52px; opacity: 1; }
.zi-cursor .label {
	position: absolute; inset: 0;
	display: flex; align-items: center; justify-content: center;
	font-size: 9px;
	font-weight: 700;
	letter-spacing: 0.02em;
	color: var(--on-accent);
	opacity: 0;
	transition: opacity var(--dur-fast) var(--ease-out);
}
.zi-cursor.is-hover .label { opacity: 1; }

/* Trailing tail — short chase of fading/shrinking dots behind the cursor,
   see cursor.js. Same hover/touch gating as the cursor itself. */
.zi-cursor-trail { position: fixed; inset: 0; pointer-events: none; z-index: calc(var(--z-cursor) - 1); opacity: 0; transition: opacity var(--dur-fast) var(--ease-out); }
.zi-cursor-trail.is-active { opacity: 1; }
.zi-cursor-trail-dot {
	position: fixed;
	top: 0; left: 0;
	width: 8px; height: 8px;
	border-radius: 50%;
	background: var(--accent);
	pointer-events: none;
}

@media (hover: none), (pointer: coarse) {
	.zi-cursor { display: none !important; }
	.zi-cursor-trail { display: none !important; }
}

/* ---------- Utility ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
@media (max-width: 860px) {
	.grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ---------- Sitewide scroll-text reveal (see scroll-reveal.js) ----------
   Default state is fully visible so content never depends on JS running;
   scroll-reveal.js only adds .reveal-armed (hidden) right before animating
   an element to .is-in-view (revealed). One-shot, never reverses. */
[data-reveal] { opacity: 1; }
[data-reveal].reveal-armed {
	opacity: 0;
	transform: translateY(20px);
}
[data-reveal].reveal-armed.is-in-view {
	opacity: 1;
	transform: translateY(0);
	transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
[data-reveal="words"] .reveal-word {
	display: inline-block;
	overflow: hidden;
}
[data-reveal="words"] .reveal-word > span {
	display: inline-block;
}
[data-reveal="words"].reveal-armed .reveal-word > span {
	opacity: 0;
	transform: translateY(100%);
}
[data-reveal="words"].reveal-armed.is-in-view .reveal-word > span {
	opacity: 1;
	transform: translateY(0);
	transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
@media (prefers-reduced-motion: reduce) {
	[data-reveal].reveal-armed,
	[data-reveal="words"].reveal-armed .reveal-word > span {
		opacity: 1;
		transform: none;
		transition: none;
	}
}

/* =====================================================================
   Page sections — a single continuous scroll, Apple product-page rhythm:
   full-width alternating light/"Apple gray" bands, generous vertical
   whitespace, one idea per section. Anchors (id) match the legacy
   ?chapter=<anchor> redirect targets wired in the retired page-*.php
   stubs and inc/enqueue.php's localized easter-egg URLs, so old bookmarks
   keep landing in the right place even though the visual language changed.
   ===================================================================== */

.zi-section {
	position: relative;
	padding-block: var(--space-6);
	padding-inline: var(--gutter);
	scroll-margin-top: var(--nav-h);
	background-image: var(--pattern-dots);
	background-size: var(--pattern-size);
}
.zi-section.is-alt { background-image: var(--grad-alt), var(--pattern-dots); background-size: 100% 100%, var(--pattern-size); }
.zi-section-inner { position: relative; max-width: var(--max-width); width: 100%; margin-inline: auto; }
@media (max-width: 640px) {
	.zi-section { padding-block: var(--space-5); }
}

/* ---------- Hero / Overview ---------- */
.zi-hero {
	position: relative;
	min-height: 100vh;
	min-height: 100dvh;
	padding-top: calc(var(--nav-h) + var(--space-6));
	padding-bottom: var(--space-6);
	padding-inline: var(--gutter);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	overflow: hidden;
}
.zi-hero::before {
	content: '';
	position: absolute;
	inset: -20% -10% auto -10%;
	height: 70%;
	background: radial-gradient(60% 60% at 50% 20%, var(--accent-glow), transparent 70%);
	opacity: 0.5;
	pointer-events: none;
	z-index: 0;
}
.zi-hero-inner { position: relative; z-index: 1; max-width: 900px; }
.zi-hero-title { font-family: var(--font-display); font-size: var(--fs-hero); font-weight: 600; line-height: 1.04; letter-spacing: -0.02em; }
.zi-hero-title .word { display: inline-block; overflow: hidden; vertical-align: top; }
.zi-hero-title .word > span { display: inline-block; }
.zi-hero-subhead { margin: var(--space-3) auto 0; font-size: var(--fs-md); color: var(--text-dim); max-width: 52ch; }
.zi-hero-actions { display: flex; gap: var(--space-2); justify-content: center; margin-top: var(--space-4); flex-wrap: wrap; }
.zi-hero-meta {
	margin-top: var(--space-5);
	display: flex;
	gap: var(--space-4);
	flex-wrap: wrap;
	justify-content: center;
	color: var(--text-faint);
	font-size: var(--fs-xs);
}
.zi-hero-portrait {
	position: relative;
	z-index: 1;
	margin-top: var(--space-5);
	width: min(420px, 80vw);
	border-radius: var(--radius);
	overflow: hidden;
	box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.25);
}
@media (prefers-color-scheme: dark) {
	.zi-hero-portrait { box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6); }
}
.zi-hero-portrait img { width: 100%; }

/* ---------- Door hero (locked scroll-scrub video, see door-hero.js) ---------- */
.zi-door-hero {
	position: relative;
	height: 100dvh;
	width: 100%;
	overflow: hidden;
	background: var(--grad-base), #000;
}
.zi-door-hero.is-settled { height: auto; min-height: 60vh; }
.zi-door-hero.is-settled .zi-door-tagline { opacity: 1; transform: none; filter: none; }
.zi-door-hero.is-settled .zi-door-hint { display: none; }
.zi-door-hero.is-settled .zi-door-progress { display: none; }
.zi-door-video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.zi-door-overlay {
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(0, 0, 0, 0.45), rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0.2) 70%, rgba(0, 0, 0, 0.6));
	pointer-events: none;
}
.zi-door-tagline-wrap {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 8%;
	text-align: center;
	pointer-events: none;
}
.zi-door-tagline {
	font-family: var(--font-display);
	font-weight: 700;
	font-size: clamp(1.5rem, 3.6vw, 3rem);
	line-height: 1.15;
	letter-spacing: -0.01em;
	color: #fff;
	text-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
	opacity: 0;
	transform: translateY(16px);
	max-width: 22ch;
}
.zi-door-hint {
	position: absolute;
	left: 50%;
	bottom: clamp(20px, 6vh, 48px);
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	color: rgba(255, 255, 255, 0.75);
	font-family: var(--font-body);
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: 0.3em;
	text-transform: uppercase;
	transition: opacity var(--dur-fast) var(--ease-out);
	pointer-events: none;
}
.zi-door-hint svg { animation: zi-door-bounce 1.6s ease-in-out infinite; }
@keyframes zi-door-bounce {
	0%, 100% { transform: translateY(0); opacity: 0.5; }
	50% { transform: translateY(5px); opacity: 1; }
}
.zi-door-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(255, 255, 255, 0.15); }
.zi-door-progress-fill { height: 100%; width: 100%; background: var(--grad-accent); transform: scaleX(0); transform-origin: left center; }

/* ---------- Impact stats strip ---------- */
.zi-stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--space-3);
	text-align: center;
}
.zi-stats > div { min-width: 0; }
.zi-stat-value { font-family: var(--font-display); font-size: var(--fs-xxl); font-weight: 600; letter-spacing: -0.02em; overflow-wrap: break-word; }
.zi-stat-label { margin-top: 0.4em; font-size: var(--fs-sm); color: var(--text-dim); }
@media (max-width: 860px) { .zi-stats { grid-template-columns: 1fr 1fr; gap: var(--space-4) var(--space-3); } }
@media (max-width: 480px) { .zi-stats { grid-template-columns: 1fr; } }

/* ---------- Section headers ---------- */
.zi-section-head { max-width: 640px; margin-bottom: var(--space-5); }
.zi-section-head.is-centered { margin-inline: auto; text-align: center; }
.zi-section-head p.lede { margin-top: var(--space-2); }

/* ---------- Build Log (experience journey + timeline) ---------- */
.zi-arc { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-bottom: var(--space-5); }
.zi-arc-stage {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	padding: var(--space-3);
	display: flex;
	flex-direction: column;
	gap: 0.35em;
}
.zi-arc-years { color: var(--text-faint); font-size: var(--fs-xs); }
.zi-arc-name { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; }
.zi-arc-proof { font-size: var(--fs-xs); color: var(--accent); line-height: 1.4; }
@media (max-width: 860px) { .zi-arc { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .zi-arc { grid-template-columns: 1fr; } }

.zi-timeline { display: flex; flex-direction: column; }
.zi-timeline-row {
	display: grid;
	grid-template-columns: 8rem 1fr auto;
	align-items: baseline;
	gap: var(--space-3);
	padding-block: var(--space-3);
	border-top: 1px solid var(--border);
}
.zi-timeline-row:last-child { border-bottom: 1px solid var(--border); }
.zi-timeline-row .mono { color: var(--text-faint); font-size: var(--fs-xs); }
.zi-timeline-row.is-current .mono { color: var(--accent); }
.zi-timeline-title { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; }
.zi-timeline-role { font-size: var(--fs-sm); color: var(--text-dim); text-align: right; max-width: 32ch; }
@media (max-width: 860px) {
	.zi-timeline-row { grid-template-columns: 1fr; gap: 0.35em; }
	.zi-timeline-role { text-align: left; }
}

/* ---------- Active Systems (current engagements) ---------- */
.zi-systems-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.zi-system-card {
	display: flex;
	flex-direction: column;
	gap: var(--space-2);
	padding: var(--space-4);
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.zi-system-card:hover, .zi-system-card:focus-visible { border-color: var(--accent); transform: translateY(-3px); }
.zi-system-status { display: inline-flex; align-items: center; gap: 0.5em; font-size: var(--fs-xs); color: var(--accent); font-weight: 600; }
.zi-system-status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.zi-system-name { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; }
.zi-system-desc { color: var(--text-dim); font-size: var(--fs-sm); flex: 1; }
@media (max-width: 860px) { .zi-systems-grid { grid-template-columns: 1fr; } }

/* ---------- Live campaigns snapshot (inside Active Systems, see inc/live-campaigns.php) ---------- */
.zi-live-meta { display: inline-flex; align-items: center; gap: 0.6em; margin-top: var(--space-2); color: var(--text-dim); font-size: var(--fs-xs); letter-spacing: 0.04em; }
.zi-live-stats { margin-top: var(--space-3); display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-2); }
.zi-live-stats > div { padding: var(--space-2) var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.zi-live-stat-value { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 600; color: var(--accent); line-height: 1.1; }
.zi-live-stat-label { margin-top: 0.3em; font-size: var(--fs-xs); color: var(--text-dim); }
.zi-live-wins { margin-top: var(--space-2); display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
.zi-live-win { display: flex; flex-direction: column; gap: 0.2em; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); border: 1px solid rgba(232, 255, 61, 0.28); background: linear-gradient(160deg, rgba(232, 255, 61, 0.07) 0%, var(--surface) 60%); }
.zi-live-win-value { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700; color: var(--text); }
.zi-live-win-label { font-size: var(--fs-xs); color: var(--text-dim); }
.zi-live-grid { margin-top: var(--space-4); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-2); }
.zi-live-card { display: flex; flex-direction: column; gap: 0.4em; padding: var(--space-3); border-radius: var(--radius); border: 1px solid var(--border-strong); background: var(--surface); }
.zi-live-card-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-1); }
.zi-live-kpi { font-size: var(--fs-xs); font-weight: 700; color: var(--on-accent); background: var(--accent); padding: 0.2em 0.7em; border-radius: var(--radius-pill); white-space: nowrap; }
.zi-live-card-name { margin-top: 0.4em; font-family: var(--font-display); font-size: var(--fs-md); font-weight: 600; color: var(--text); }
.zi-live-card-type { font-size: var(--fs-xs); color: var(--text-dim); }
.zi-live-card-data { margin: var(--space-2) 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-1) var(--space-2); }
.zi-live-card-data dt { font-size: var(--fs-xs); color: var(--text-faint); }
.zi-live-card-data dd { margin: 0; font-weight: 600; color: var(--text); }
.zi-live-ytd { margin-top: var(--space-5); padding: var(--space-4); border-radius: var(--radius); border: 1px solid rgba(232, 255, 61, 0.28); background: var(--surface); }
.zi-live-stats--ytd { grid-template-columns: repeat(4, 1fr); }
.zi-live-ytd-note { margin-top: var(--space-3); max-width: 70ch; color: var(--text-dim); }
.zi-live-related { margin-top: var(--space-5); margin-bottom: var(--space-2); }
@media (max-width: 960px) {
	.zi-live-stats { grid-template-columns: repeat(3, 1fr); }
	.zi-live-wins, .zi-live-stats--ytd { grid-template-columns: repeat(2, 1fr); }
	.zi-live-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
	.zi-live-stats { grid-template-columns: repeat(2, 1fr); }
	.zi-live-wins, .zi-live-grid { grid-template-columns: 1fr; }
	.zi-live-ytd { padding: var(--space-3); }
}

/* ---------- Case Files (portfolio grid) ---------- */
.zi-cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.case-card {
	display: flex;
	flex-direction: column;
	gap: var(--space-1);
	padding: var(--space-3);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--surface);
	min-height: 220px;
	position: relative;
	transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.case-card:hover, .case-card:focus-visible { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 20px 40px -24px rgba(0, 0, 0, 0.25); }
.case-card-flag-row { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); }
.case-card-flag { flex-shrink: 0; white-space: nowrap; }
.case-card-industry { color: var(--text-dim); font-size: var(--fs-sm); }
.case-card-client { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; margin-top: auto; }
.case-card-metric { display: flex; align-items: baseline; gap: 0.5em; margin-top: var(--space-2); }
.case-card-arrow { color: var(--accent); font-weight: 500; font-size: var(--fs-sm); }
@media (max-width: 860px) { .zi-cases-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .zi-cases-grid { grid-template-columns: 1fr; } .case-card { min-height: auto; } }

.zi-brands { margin-top: var(--space-6); }
.zi-brands p.eyebrow { display: block; text-align: center; }
.zi-brands-wall {
	margin-top: var(--space-4);
	display: grid;
	grid-template-columns: repeat(6, 1fr);
	gap: var(--space-2);
}
.zi-brand-tile {
	aspect-ratio: 1;
	border-radius: var(--radius-sm);
	overflow: hidden;
	background: var(--surface);
	border: 1px solid var(--border);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-2);
	transition: transform var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.zi-brand-tile:hover { transform: translateY(-3px); border-color: var(--accent); }
.zi-brand-tile img { width: 100%; height: 100%; object-fit: contain; border-radius: 4px; }
@media (max-width: 860px) { .zi-brands-wall { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .zi-brands-wall { grid-template-columns: repeat(3, 1fr); } }

/* ---------- AI Stack (tools wall — AI on top, then grouped chips) ---------- */
.zi-stack-lede { margin-top: var(--space-2); max-width: 58ch; color: var(--text-dim); font-size: var(--fs-md); }
.zi-stack-ai {
	margin-top: var(--space-5);
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--space-2);
}
.zi-stack-ai-card {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 0.6em;
	padding: var(--space-3);
	border-radius: var(--radius);
	background: linear-gradient(160deg, rgba(232, 255, 61, 0.07) 0%, var(--surface) 55%);
	border: 1px solid rgba(232, 255, 61, 0.28);
	box-shadow: 0 0 0 1px rgba(232, 255, 61, 0.04), 0 18px 50px -20px var(--accent-glow);
	transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
.zi-stack-ai-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.zi-stack-ai-card .zi-stack-logo { width: 40px; height: 40px; color: var(--text); }
.zi-stack-ai-card:hover .zi-stack-logo { color: var(--brand, var(--text)); }
.zi-stack-ai-name { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; color: var(--text); }
.zi-stack-ai-desc { font-size: var(--fs-sm); color: var(--text-dim); line-height: 1.45; }
.zi-stack-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.zi-stack-row--ai { margin-top: var(--space-2); }
.zi-stack-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.55em;
	padding: 0.55em 1em 0.55em 0.75em;
	border-radius: var(--radius-pill);
	background: var(--surface);
	border: 1px solid var(--border-strong);
	color: var(--text);
	font-size: var(--fs-sm);
	font-weight: 500;
	transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.zi-stack-chip .zi-stack-logo { width: 20px; height: 20px; color: var(--text); transition: color var(--dur-fast) var(--ease-out); }
.zi-stack-chip:hover { border-color: var(--brand, var(--accent)); }
.zi-stack-chip:hover .zi-stack-logo { color: var(--brand, var(--text)); }
.zi-stack-row--ai .zi-stack-chip { border-color: rgba(232, 255, 61, 0.28); }
.zi-stack-logo { display: inline-flex; flex: none; align-items: center; justify-content: center; }
.zi-stack-logo svg { width: 100%; height: 100%; fill: currentColor; }
.zi-stack-mono {
	width: 100%;
	height: 100%;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 6px;
	border: 1.5px solid currentColor;
	font-size: 0.7em;
	font-weight: 700;
	line-height: 1;
}
.zi-stack-ai-card .zi-stack-mono { font-size: 1.1rem; border-radius: 10px; }
.zi-stack-groups {
	margin-top: var(--space-5);
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: var(--space-4) var(--space-5);
}
.zi-stack-group-title {
	margin-bottom: var(--space-2);
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
}
@media (max-width: 960px) { .zi-stack-ai { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .zi-stack-groups { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .zi-stack-ai { grid-template-columns: 1fr; } }

/* ---------- Blog (homepage section, /blog/, single posts — see inc/blog.php) ---------- */
.zi-posts-grid { margin-top: var(--space-4); display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.zi-post-card {
	display: flex; flex-direction: column; gap: var(--space-1);
	padding: var(--space-3); border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
	transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.zi-post-card:hover, .zi-post-card:focus-visible { border-color: var(--accent); transform: translateY(-3px); }
.zi-post-card-img { display: block; margin: calc(var(--space-3) * -1) calc(var(--space-3) * -1) var(--space-1); aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius) var(--radius) 0 0; }
.zi-post-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.zi-post-card-meta { font-size: var(--fs-xs); color: var(--text-dim); }
.zi-post-card-title { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; line-height: 1.25; color: var(--text); }
.zi-post-card-excerpt { color: var(--text-dim); font-size: var(--fs-sm); flex: 1; }
.zi-posts-all { margin-top: var(--space-4); display: inline-block; }
.zi-posts-pagination { margin-top: var(--space-4); }
.zi-posts-pagination .nav-links { display: flex; gap: var(--space-1); flex-wrap: wrap; }
.zi-posts-pagination .page-numbers { padding: 0.4em 0.9em; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); color: var(--text); }
.zi-posts-pagination .page-numbers.current { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.zi-article-inner { max-width: 72ch; margin-inline: auto; padding-inline: var(--gutter); }
.zi-article .zi-case-back { position: static; display: inline-flex; margin: 0 0 var(--space-3); padding: 0; transform: none; }
.zi-article-title { margin-top: var(--space-1); font-family: var(--font-display); font-size: var(--fs-xxl); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; color: var(--text); }
.zi-article-lede { margin-top: var(--space-2); font-size: var(--fs-md); color: var(--text-dim); }
.zi-article-img { margin-top: var(--space-4); border-radius: var(--radius); overflow: hidden; }
.zi-article-img img { width: 100%; height: auto; display: block; }
.zi-article-body { margin-top: var(--space-4); color: var(--text); font-size: var(--fs-md); line-height: 1.7; }
.zi-article-body > * + * { margin-top: 1.1em; }
.zi-article-body h2 { margin-top: 2em; font-family: var(--font-display); font-size: var(--fs-xl); line-height: 1.2; }
.zi-article-body h3 { margin-top: 1.6em; font-family: var(--font-display); font-size: var(--fs-lg); }
.zi-article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.zi-article-body ul, .zi-article-body ol { padding-left: 1.3em; }
.zi-article-body li + li { margin-top: 0.4em; }
.zi-article-body blockquote { border-left: 3px solid var(--accent); padding-left: var(--space-2); color: var(--text-dim); font-style: italic; }
.zi-article-body img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.zi-article-body pre, .zi-article-body code { font-family: var(--font-mono); font-size: 0.9em; background: var(--surface); border-radius: 6px; }
.zi-article-body pre { padding: var(--space-2); overflow-x: auto; }
.zi-article-body table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.zi-article-body th, .zi-article-body td { padding: 0.5em 0.8em; border: 1px solid var(--border); text-align: left; }
.zi-article-cta { margin-top: var(--space-5); padding: var(--space-3); border: 1px solid rgba(232, 255, 61, 0.28); border-radius: var(--radius); display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.zi-article-cta p { margin: 0; font-weight: 600; color: var(--text); }
@media (max-width: 960px) { .zi-posts-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .zi-posts-grid { grid-template-columns: 1fr; } }

/* ---------- Books (hover/tap accordion — book spines that pull out) ---------- */
.zi-books-accordion {
	display: flex;
	align-items: stretch;
	gap: 6px;
	height: 380px;
	overflow-x: auto;
	overflow-y: hidden;
	padding-bottom: var(--space-1);
	scroll-snap-type: x proximity;
}
.zi-book-strip {
	position: relative;
	flex: 0 0 44px;
	width: 44px;
	border-radius: var(--radius-sm);
	overflow: hidden;
	cursor: pointer;
	scroll-snap-align: start;
	transition: flex-basis var(--dur-base) var(--ease-out), width var(--dur-base) var(--ease-out);
}
.zi-book-strip.is-active { flex: 0 0 240px; width: 240px; }
.zi-book-strip img {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.zi-book-strip::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(0deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.1) 45%, transparent 70%);
}
.zi-book-strip-title {
	position: absolute;
	left: 0; right: 0; bottom: 0;
	max-height: 50%;
	overflow: hidden;
	padding: var(--space-2) 0.6em;
	color: #fff;
	font-size: var(--fs-xs);
	font-weight: 800;
	line-height: 1.3;
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
	white-space: nowrap;
	text-overflow: ellipsis;
	writing-mode: vertical-rl;
	transform: rotate(180deg);
	transition: writing-mode var(--dur-fast) var(--ease-out);
}
.zi-book-strip.is-active .zi-book-strip-title {
	writing-mode: horizontal-tb;
	transform: none;
	white-space: normal;
}
.zi-book-download {
	margin-top: var(--space-3);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-2) var(--space-3);
	flex-wrap: wrap;
	padding: var(--space-2) var(--space-3);
	border: 1px solid rgba(232, 255, 61, 0.28);
	border-radius: var(--radius);
	background: var(--surface);
}
.zi-book-download-title { margin: 0; font-weight: 600; color: var(--text); max-width: 60ch; }
.zi-book-download-btn { flex: none; }
@media (max-width: 640px) { .zi-book-download-btn { width: 100%; text-align: center; } }

@media (max-width: 640px) {
	.zi-books-accordion { height: 300px; }
	.zi-book-strip.is-active { flex-basis: 180px; width: 180px; }
}

/* ---------- Standby (contact) ---------- */
.zi-standby { text-align: center; }
.zi-standby-status { display: inline-flex; align-items: center; gap: 0.5em; font-size: var(--fs-xs); font-weight: 600; color: var(--accent); }
.zi-standby-status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.zi-standby-title { font-family: var(--font-display); font-size: var(--fs-hero); font-weight: 600; line-height: 1.04; letter-spacing: -0.02em; margin-block: var(--space-2); }
.zi-standby-list {
	margin: var(--space-4) auto 0;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: var(--space-2);
	max-width: 640px;
}
.zi-standby-list li {
	color: var(--text-dim);
	font-size: var(--fs-sm);
	border: 1px solid var(--border);
	border-radius: var(--radius-pill);
	padding: 0.4em 1em;
}
.zi-standby-channels { margin-top: var(--space-5); display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; }
.zi-form-wrap { max-width: 60ch; margin: var(--space-6) auto 0; text-align: left; }

/* ---------- Placeholder styling (case studies) ---------- */
.zi-placeholder {
	color: var(--text-dim);
	font-size: 0.85em;
	background: var(--bg-secondary);
	border: 1px solid var(--border);
	padding: 0.15em 0.6em;
	border-radius: var(--radius-pill);
}
.case-banner-placeholder {
	background: var(--bg-secondary);
	border: 1px solid var(--border);
	border-left: 3px solid var(--accent);
	color: var(--text-dim);
	font-size: var(--fs-sm);
	padding: var(--space-2) var(--space-3);
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	margin-bottom: var(--space-3);
}

/* ---------- Contact form ---------- */
.zi-form { display: flex; flex-direction: column; gap: var(--space-2); }
.zi-form-field { display: flex; flex-direction: column; gap: 0.5em; }
.zi-form-field label {
	font-size: var(--fs-sm);
	font-weight: 500;
	color: var(--text-dim);
}
.zi-form-field input,
.zi-form-field textarea {
	background: var(--bg-secondary);
	border: 1px solid transparent;
	border-radius: var(--radius-sm);
	color: var(--text);
	font-family: var(--font-body);
	font-size: var(--fs-base);
	padding: 0.85em 1em;
	transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.zi-form-field input:focus,
.zi-form-field textarea:focus {
	outline: none;
	border-color: var(--accent);
	box-shadow: 0 0 0 4px var(--accent-glow);
	background: var(--surface);
}
.zi-form-field textarea { resize: vertical; min-height: 8em; }
.zi-form-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.zi-form-notice {
	font-size: var(--fs-sm);
	padding: var(--space-2) var(--space-3);
	border-radius: var(--radius-sm);
	border: 1px solid var(--border);
	text-align: left;
}
.zi-form-notice.is-success { color: var(--accent); border-color: var(--accent); background: var(--accent-glow); }
.zi-form-notice.is-error { color: var(--danger); border-color: var(--danger); }
.zi-contact-detail { display: flex; flex-direction: column; gap: var(--space-1); }
.zi-contact-detail a:hover { color: var(--accent); }

/* =====================================================================
   Case-study single (single-case_study.php) — presented inside a
   scroll-driven "tablet" (see assets/js/tablet-scroll.js): the page
   scrolls the device from tilted to flat, then pins it while the report
   content scrolls within the screen. .zi-case-back is the only thing that
   lives outside the tablet, at the true top of the page.
   ===================================================================== */
.zi-case-back {
	display: inline-flex;
	align-items: center;
	gap: 0.4em;
	color: var(--text-dim);
	font-size: var(--fs-sm);
	padding: calc(var(--nav-h) + var(--space-4)) var(--gutter) 0;
	max-width: var(--max-width);
	margin-inline: auto;
}
.zi-case-back:hover { color: var(--accent); }
.zi-case-back::before { content: '\2039'; font-size: 1.1em; }

/* ---------- Woven hero (dark, yellow particle weave — see woven-hero.js) ---------- */
.zi-woven-hero {
	position: relative;
	min-height: calc(100vh - var(--nav-h));
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	background: radial-gradient(120% 90% at 50% 30%, #1a1706 0%, #0a0a0c 55%, #000000 100%);
}
.zi-woven-canvas { position: absolute; inset: 0; }
.zi-woven-canvas canvas { display: block; width: 100%; height: 100%; }
.zi-woven-overlay {
	position: absolute;
	inset: 0;
	/* Radial scrim behind the text (the busiest, brightest part of the
	   particle knot) plus the original top/bottom vignette. */
	background:
		radial-gradient(60% 50% at 50% 48%, rgba(0, 0, 0, 0.88) 0%, rgba(0, 0, 0, 0.6) 55%, transparent 100%),
		linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, rgba(0, 0, 0, 0) 35%, rgba(0, 0, 0, 0.15) 70%, rgba(0, 0, 0, 0.65) 100%);
	pointer-events: none;
}
.zi-woven-content {
	position: relative;
	z-index: 1;
	text-align: center;
	padding: var(--space-5) var(--gutter);
	max-width: 900px;
	pointer-events: none;
}
.zi-woven-title {
	font-family: 'Playfair Display', var(--font-display);
	font-weight: 700;
	font-size: clamp(2.5rem, 6.5vw, 5.5rem);
	line-height: 1.08;
	letter-spacing: -0.01em;
	color: #fff;
	text-shadow: 0 2px 24px rgba(0, 0, 0, 0.85), 0 0 60px rgba(232, 255, 61, 0.25);
}
.zi-woven-subhead {
	margin: var(--space-3) auto 0;
	max-width: 46ch;
	font-size: var(--fs-md);
	color: #fff;
	font-weight: 500;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9), 0 0 18px rgba(0, 0, 0, 0.95);
}
.zi-woven-hint {
	position: absolute;
	left: 50%;
	bottom: clamp(20px, 5vh, 40px);
	transform: translateX(-50%);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	color: rgba(255, 255, 255, 0.6);
	font-size: var(--fs-xs);
	font-weight: 600;
	letter-spacing: 0.3em;
	text-transform: uppercase;
	z-index: 1;
}
.zi-woven-hint svg { animation: zi-door-bounce 1.6s ease-in-out infinite; }
@media (max-width: 640px) {
	.zi-woven-hero { min-height: 70vh; }
}

/* ---------- Tablet frame ---------- */
.zi-tablet-wrap {
	position: relative;
	min-height: 340vh;
}
.zi-tablet-sticky {
	position: sticky;
	top: var(--nav-h);
	height: calc(100vh - var(--nav-h));
	display: flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-4) var(--gutter);
	perspective: 1400px;
}
.zi-tablet-frame {
	position: relative;
	width: min(1040px, 100%);
	height: min(68vh, 680px);
	background: #17181a;
	border-radius: 28px;
	padding: 14px;
	box-shadow: 0 60px 120px -40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
	transform: rotateX(18deg) scale(0.94);
	transform-origin: 50% 100%;
	will-change: transform;
}
.zi-tablet-cam {
	position: absolute;
	top: 5px; left: 50%;
	transform: translateX(-50%);
	width: 6px; height: 6px;
	border-radius: 50%;
	background: #3a3b3d;
}
.zi-tablet-screen {
	position: relative;
	width: 100%;
	height: 100%;
	background: #ffffff;
	border-radius: 16px;
	overflow: hidden;
}
.zi-tablet-content {
	will-change: transform;
}

/* Reduced-motion / no-JS fallback: plain static card, full content visible
   in normal document flow, no pin, no tilt. */
.zi-tablet-wrap.is-flat { height: auto; }
.zi-tablet-wrap.is-flat .zi-tablet-sticky { position: relative; height: auto; padding-block: var(--space-4); perspective: none; }
.zi-tablet-wrap.is-flat .zi-tablet-frame { height: auto; transform: none; padding: 10px; }
.zi-tablet-wrap.is-flat .zi-tablet-screen { height: auto; }
.zi-tablet-wrap.is-flat .zi-tablet-content { transform: none !important; }
@media (max-width: 640px) {
	.zi-tablet-wrap { min-height: 260vh; }
	.zi-tablet-frame { border-radius: 20px; padding: 8px; }
	.zi-tablet-screen { border-radius: 10px; }
}
.zi-case-head { padding: var(--space-5) var(--gutter) 0; max-width: var(--max-width); margin-inline: auto; }
.zi-case-eyebrow { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; margin-bottom: var(--space-2); }
.zi-case-title { font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3.75rem); font-weight: 600; line-height: 1.06; letter-spacing: -0.02em; }
.zi-case-meta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-4); }
.zi-case-meta div { display: flex; flex-direction: column; gap: 0.25em; }
.zi-case-meta span:first-child { font-size: var(--fs-xs); color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.04em; }

.zi-case-metrics-band { background: var(--bg-secondary); padding: var(--space-6) var(--gutter); }
.zi-case-metrics {
	max-width: var(--max-width);
	margin-inline: auto;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
	gap: var(--space-4) var(--space-3);
	text-align: center;
}
.zi-case-metrics > div {
	min-width: 0;
}
.zi-case-metrics .zi-stat-value {
	white-space: nowrap;
	font-size: clamp(0.95rem, 1.9vw, 1.75rem);
}

.zi-case-section {
	padding: var(--space-5) var(--gutter);
	max-width: calc(var(--max-width) - 2 * var(--gutter) + 78ch - 78ch);
}
.zi-case-section-inner { max-width: 68ch; margin-inline: auto; }
.zi-case-section p { color: var(--text-dim); }
.zi-case-section p + p { margin-top: 1em; }
.zi-case-actions { padding: var(--space-6) var(--gutter); text-align: center; display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; }

/* ---------- Easter eggs: hidden terminal + Garage + HUD ---------- */
.zi-terminal {
	display: none;
	position: fixed;
	z-index: var(--z-terminal);
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: min(640px, 92vw);
	max-height: 70vh;
	background: color-mix(in srgb, var(--surface) 92%, transparent);
	backdrop-filter: saturate(180%) blur(20px);
	-webkit-backdrop-filter: saturate(180%) blur(20px);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
	flex-direction: column;
	font-family: var(--font-mono);
	font-size: var(--fs-sm);
}
.zi-terminal.is-open { display: flex; }
.zi-terminal-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: var(--space-2) var(--space-3);
	border-bottom: 1px solid var(--border);
	color: var(--accent);
}
.zi-terminal-close, .zi-garage-close, .zi-hud-close {
	background: none;
	border: none;
	color: var(--text-dim);
	font-size: var(--fs-lg);
	line-height: 1;
	cursor: pointer;
}
.zi-terminal-close:hover, .zi-garage-close:hover, .zi-hud-close:hover { color: var(--accent); }
.zi-terminal-body {
	flex: 1;
	overflow-y: auto;
	padding: var(--space-2) var(--space-3);
	color: var(--text-dim);
	white-space: pre-wrap;
}
.zi-terminal-body p { margin: 0 0 0.5em; }
.zi-terminal-body .zi-term-prompt { color: var(--accent); }
.zi-terminal-input-row {
	display: flex;
	align-items: center;
	gap: 0.5em;
	padding: var(--space-2) var(--space-3);
	border-top: 1px solid var(--border);
	color: var(--accent);
}
.zi-terminal-input {
	flex: 1;
	background: none;
	border: none;
	color: var(--text);
	font-family: var(--font-mono);
	font-size: var(--fs-sm);
}
.zi-terminal-input:focus { outline: none; }

.zi-garage {
	display: none;
	position: fixed;
	z-index: var(--z-terminal);
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	width: min(680px, 92vw);
	background: color-mix(in srgb, var(--surface) 92%, transparent);
	backdrop-filter: saturate(180%) blur(20px);
	-webkit-backdrop-filter: saturate(180%) blur(20px);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
	flex-direction: column;
	padding: var(--space-3);
}
.zi-garage.is-open { display: flex; }
.zi-garage-header { display: flex; justify-content: space-between; align-items: center; }
.zi-garage-gauges {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-3);
	margin-top: var(--space-3);
	text-align: center;
}
.zi-gauge { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-2); background: var(--bg-secondary); }
@media (max-width: 640px) {
	.zi-garage-gauges { grid-template-columns: 1fr; }
}

.zi-eggs-backdrop {
	display: none;
	position: fixed;
	inset: 0;
	z-index: var(--z-overlay);
	background: rgba(0, 0, 0, 0.4);
	backdrop-filter: blur(4px);
}
.zi-eggs-backdrop.is-open { display: block; }

.zi-hud {
	display: none;
	position: fixed;
	inset: 0;
	z-index: var(--z-terminal);
	background: color-mix(in srgb, var(--bg) 96%, transparent);
	backdrop-filter: saturate(180%) blur(20px);
	-webkit-backdrop-filter: saturate(180%) blur(20px);
	flex-direction: column;
	padding: var(--space-4) var(--gutter);
}
.zi-hud.is-open { display: flex; }
.zi-hud-header { display: flex; justify-content: space-between; color: var(--accent); border-bottom: 1px solid var(--border); padding-bottom: var(--space-2); font-family: var(--font-mono); font-size: var(--fs-sm); }
.zi-hud-body { flex: 1; overflow-y: auto; padding-top: var(--space-3); color: var(--text-dim); white-space: pre-wrap; max-width: 80ch; font-family: var(--font-mono); font-size: var(--fs-sm); }

/* ---------- 404 ---------- */
.zi-404 {
	min-height: 70vh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	text-align: center;
	padding: calc(var(--nav-h) + var(--space-5)) var(--gutter) var(--space-6);
}
.zi-404-inner { max-width: 520px; }