/* ==========================================================================
   Zenin Hive — design system
   Black and white, one copper accent taken from the Zi mark.
   ========================================================================== */

:root {
	--background: #0a0a0a;
	--background-2: #111111;
	--foreground: #ffffff;
	--muted-foreground: #a1a1aa;
	--subtle: #8b8b94;
	--border: rgba(255, 255, 255, 0.12);
	--border-strong: rgba(255, 255, 255, 0.24);
	--paper: #f3f1ed;
	--paper-ink: #0a0a0a;
	--paper-muted: #5c5c63;
	--paper-border: rgba(10, 10, 10, 0.12);
	--copper: #c98a46;

	--font-display: "Instrument Serif", "Times New Roman", serif;
	--font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

	--max: 1280px;
	--gutter: clamp(1rem, 4vw, 2rem);
	--section: clamp(5rem, 12vw, 10rem);
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--background);
	color: var(--foreground);
	font-family: var(--font-body);
	font-size: 1rem;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
}

img,
video,
svg {
	display: block;
	max-width: 100%;
	height: auto;
}

a {
	color: inherit;
	text-decoration: none;
}

::selection {
	background: var(--foreground);
	color: var(--background);
}

:focus-visible {
	outline: 1px solid var(--foreground);
	outline-offset: 4px;
	border-radius: 4px;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: 1rem;
	z-index: 200;
	padding: 0.75rem 1.25rem;
	background: var(--foreground);
	color: var(--background);
	border-radius: 999px;
}

.skip-link:focus {
	left: 1rem;
}

.zh-container {
	width: 100%;
	max-width: var(--max);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

/* --------------------------------------------------------------------------
   Type
   -------------------------------------------------------------------------- */

.zh-display,
h1,
h2,
h3 {
	font-family: var(--font-display);
	font-weight: 400;
	letter-spacing: -0.02em;
	line-height: 1;
	margin: 0;
}

h1 {
	font-size: clamp(3rem, 8vw, 6.5rem);
	letter-spacing: -0.03em;
	line-height: 0.95;
}

h2 {
	font-size: clamp(2.5rem, 6vw, 4.75rem);
	line-height: 0.98;
}

h3 {
	font-size: clamp(1.75rem, 3vw, 2.25rem);
	line-height: 1.05;
}

h1 em,
h2 em,
h3 em,
.zh-display em {
	font-style: normal;
	color: var(--muted-foreground);
}

.zh-italic {
	font-style: italic;
}

.zh-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--muted-foreground);
	margin: 0 0 1.75rem;
}

.zh-eyebrow::before {
	content: "";
	width: 1.75rem;
	height: 1px;
	background: var(--copper);
}

.zh-lead {
	font-size: clamp(1.05rem, 1.6vw, 1.25rem);
	line-height: 1.6;
	color: var(--muted-foreground);
	max-width: 40rem;
}

/* --------------------------------------------------------------------------
   Liquid glass
   -------------------------------------------------------------------------- */

.liquid-glass {
	background: rgba(255, 255, 255, 0.01);
	background-blend-mode: luminosity;
	backdrop-filter: blur(4px);
	-webkit-backdrop-filter: blur(4px);
	border: none;
	box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
	position: relative;
	overflow: hidden;
}

.liquid-glass::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	padding: 1.4px;
	background: linear-gradient(
		180deg,
		rgba(255, 255, 255, 0.45) 0%,
		rgba(255, 255, 255, 0.15) 20%,
		rgba(255, 255, 255, 0) 40%,
		rgba(255, 255, 255, 0) 60%,
		rgba(255, 255, 255, 0.15) 80%,
		rgba(255, 255, 255, 0.45) 100%
	);
	-webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
	-webkit-mask-composite: xor;
	mask-composite: exclude;
	pointer-events: none;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.zh-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.6rem;
	border-radius: 999px;
	padding: 0.7rem 1.5rem;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--foreground);
	cursor: pointer;
	border: 0;
	font-family: inherit;
	transition: transform 0.4s var(--ease), background-color 0.3s ease, color 0.3s ease;
	white-space: nowrap;
}

.zh-btn:hover {
	transform: scale(1.03);
}

.zh-btn--lg {
	padding: 1.25rem 3.5rem;
	font-size: 1rem;
}

.zh-btn--solid {
	background: var(--foreground);
	color: var(--background);
}

.zh-btn--solid:hover {
	background: #e9e9e9;
}

.zh-btn--outline {
	box-shadow: inset 0 0 0 1px var(--border-strong);
}

.zh-btn--outline:hover {
	box-shadow: inset 0 0 0 1px var(--foreground);
}

.zh-arrow {
	transition: transform 0.4s var(--ease);
}

a:hover > .zh-arrow,
.zh-btn:hover .zh-arrow {
	transform: translate(2px, -2px);
}

.zh-link {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.875rem;
	font-weight: 500;
	padding-bottom: 0.25rem;
	border-bottom: 1px solid var(--border-strong);
	transition: border-color 0.3s ease;
}

.zh-link:hover {
	border-color: var(--copper);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.zh-header {
	position: sticky;
	top: 0;
	z-index: 50;
	transition: background-color 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
	border-bottom: 1px solid transparent;
}

.zh-has-hero .zh-header {
	position: fixed;
	left: 0;
	right: 0;
}

.zh-header.is-scrolled,
body:not(.zh-has-hero) .zh-header {
	background: rgba(10, 10, 10, 0.88);
	backdrop-filter: blur(16px) saturate(140%);
	-webkit-backdrop-filter: blur(16px) saturate(140%);
	border-bottom-color: var(--border);
}

.zh-nav-bar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 2rem;
	padding-block: 1.5rem;
	transition: padding 0.4s var(--ease);
}

.zh-header.is-scrolled .zh-nav-bar {
	padding-block: 1rem;
}

.zh-brand {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	color: var(--foreground);
}

.zh-brand__mark {
	width: 36px;
	height: auto;
	transition: opacity 0.3s ease;
}

.zh-brand:hover .zh-brand__mark {
	opacity: 0.8;
}

.zh-brand__name {
	font-family: var(--font-display);
	font-size: 1.875rem;
	letter-spacing: -0.02em;
	line-height: 1;
}

.zh-brand__name sup {
	font-family: var(--font-body);
	font-size: 0.6rem;
	margin-left: 0.15rem;
	vertical-align: super;
	color: var(--muted-foreground);
}

.zh-brand__logo {
	max-height: 40px;
	width: auto;
}

.zh-nav ul {
	display: flex;
	align-items: center;
	gap: 2rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.zh-nav a:not(.zh-btn) {
	font-size: 0.875rem;
	color: var(--muted-foreground);
	transition: color 0.3s ease;
}

.zh-nav a:hover,
.zh-nav .current-menu-item > a,
.zh-nav .current_page_item > a,
.zh-nav .current-menu-ancestor > a {
	color: var(--foreground);
}

.zh-nav__cta-mobile {
	display: none;
}

.zh-menu-toggle {
	display: none;
	width: 44px;
	height: 44px;
	border-radius: 999px;
	border: 0;
	padding: 0;
	color: var(--foreground);
	cursor: pointer;
	align-items: center;
	justify-content: center;
}

.zh-menu-toggle span,
.zh-menu-toggle span::before {
	display: block;
	width: 16px;
	height: 1px;
	background: currentColor;
	position: relative;
	transition: transform 0.4s var(--ease);
}

.zh-menu-toggle span::before {
	content: "";
	position: absolute;
	top: 5px;
}

.zh-menu-toggle span {
	transform: translateY(-3px);
}

.zh-menu-toggle[aria-expanded="true"] span {
	transform: rotate(45deg);
}

.zh-menu-toggle[aria-expanded="true"] span::before {
	transform: translateY(-5px) rotate(-90deg);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.zh-hero {
	position: relative;
	min-height: 100vh;
	min-height: 100svh;
	display: flex;
	flex-direction: column;
	justify-content: center;
	overflow: hidden;
	background: var(--background);
	isolation: isolate;
}

.zh-hero__video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	object-fit: cover;
	z-index: 0;
}

.zh-hero__fallback {
	position: absolute;
	inset: 0;
	z-index: 0;
	background: url("../img/mark-white.png") no-repeat calc(100% - var(--gutter)) 50% / min(38vw, 420px) auto;
	opacity: 0.04;
}

.zh-hero__fade {
	position: absolute;
	inset: auto 0 0 0;
	height: 22vh;
	background: linear-gradient(to bottom, transparent, var(--background));
	z-index: 1;
	pointer-events: none;
}

.zh-hero__content {
	position: relative;
	z-index: 2;
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: 9rem var(--gutter) 7rem;
}

.zh-hero__kicker {
	display: block;
	font-family: var(--font-body);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	line-height: 1.7;
	text-transform: uppercase;
	color: var(--foreground);
	opacity: 0.8;
	margin-bottom: 2rem;
}

.zh-hero__title {
	display: block;
	font-size: clamp(3rem, 10vw, 8rem);
	line-height: 0.95;
	letter-spacing: -2.46px;
	max-width: 80rem;
}

.zh-hero__sub {
	margin: 2rem auto 0;
	max-width: 42rem;
	font-size: clamp(1rem, 1.5vw, 1.125rem);
	line-height: 1.7;
	color: rgba(255, 255, 255, 0.82);
}

/* No overlay on the video; a soft shadow keeps text legible on bright frames. */
.zh-hero__content {
	text-shadow: 0 1px 18px rgba(0, 0, 0, 0.45);
}

.zh-hero__cta {
	margin-top: 3rem;
}

.zh-hero__meta {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 2rem;
	z-index: 2;
	display: flex;
	justify-content: space-between;
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--muted-foreground);
}

/* --------------------------------------------------------------------------
   Page hero (inner pages)
   -------------------------------------------------------------------------- */

.zh-page-hero {
	padding-top: clamp(5rem, 12vw, 9rem);
	padding-bottom: clamp(3rem, 7vw, 5rem);
	border-bottom: 1px solid var(--border);
}

.zh-page-hero h1 {
	max-width: 18ch;
}

.zh-page-hero .zh-lead {
	margin-top: 2rem;
}

.zh-page-hero__row {
	display: grid;
	grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
	align-items: end;
	gap: 3rem;
}

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */

.zh-section {
	padding-block: var(--section);
}

.zh-section + .zh-section {
	border-top: 1px solid var(--border);
}

.zh-section--paper {
	background: var(--paper);
	color: var(--paper-ink);
	border-top: 0 !important;
}

.zh-section--paper + .zh-section {
	border-top: 0;
}

.zh-section--paper h2 em,
.zh-section--paper h3 em {
	color: var(--paper-muted);
}

.zh-section--paper .zh-eyebrow,
.zh-section--paper .zh-lead,
.zh-section--paper p {
	color: var(--paper-muted);
}

.zh-section__head {
	display: grid;
	grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
	gap: 3rem;
	align-items: end;
	margin-bottom: clamp(3rem, 7vw, 5.5rem);
}

.zh-section__head .zh-lead {
	margin: 0;
}

/* --------------------------------------------------------------------------
   Client wall (marquee)
   -------------------------------------------------------------------------- */

.zh-clients {
	padding-block: clamp(3rem, 7vw, 5rem);
	border-bottom: 1px solid var(--border);
}

.zh-clients__label {
	text-align: center;
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--subtle);
	margin: 0 0 2.5rem;
}

.zh-marquee {
	overflow: hidden;
	-webkit-mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
	mask-image: linear-gradient(to right, transparent, #000 12%, #000 88%, transparent);
}

.zh-marquee__track {
	display: flex;
	align-items: center;
	width: max-content;
	animation: zh-marquee 40s linear infinite;
}

.zh-marquee:hover .zh-marquee__track {
	animation-play-state: paused;
}

.zh-marquee__group {
	display: flex;
	align-items: center;
	gap: clamp(3rem, 7vw, 6rem);
	padding-right: clamp(3rem, 7vw, 6rem);
	list-style: none;
	margin: 0;
	padding-left: 0;
}

.zh-client {
	flex: none;
	height: 76px;
	display: flex;
	align-items: center;
}

/* Same height for every logo, capped width: square marks and wide wordmarks
   end up with a similar visual weight. */
.zh-client img {
	height: 76px;
	max-width: 180px;
	width: auto;
	object-fit: contain;
	filter: grayscale(1) brightness(1.6);
	opacity: 0.6;
	transition: filter 0.5s ease, opacity 0.5s ease;
}

.zh-client:hover img {
	filter: none;
	opacity: 1;
}

.zh-client__name {
	font-family: var(--font-display);
	font-size: 2rem;
	color: var(--muted-foreground);
	white-space: nowrap;
	transition: color 0.4s ease;
}

.zh-client:hover .zh-client__name {
	color: var(--foreground);
}

@keyframes zh-marquee {
	from {
		transform: translateX(0);
	}
	to {
		transform: translateX(-50%);
	}
}

/* Static grid variant used on the Work page */
.zh-client-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
	border-top: 1px solid var(--border);
	border-left: 1px solid var(--border);
	list-style: none;
	margin: 0;
	padding: 0;
}

.zh-client-grid .zh-client {
	height: 160px;
	justify-content: center;
	padding: 1.5rem;
	border-right: 1px solid var(--border);
	border-bottom: 1px solid var(--border);
}

/* --------------------------------------------------------------------------
   Services list
   -------------------------------------------------------------------------- */

.zh-services {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--border);
	counter-reset: svc;
}

.zh-service {
	counter-increment: svc;
	display: grid;
	grid-template-columns: 5rem minmax(0, 1.2fr) minmax(0, 1fr) 2rem;
	gap: 2rem;
	align-items: baseline;
	padding-block: 2.25rem;
	border-bottom: 1px solid var(--border);
	transition: padding 0.5s var(--ease);
}

.zh-service::before {
	content: counter(svc, decimal-leading-zero);
	font-size: 0.8rem;
	color: var(--subtle);
	font-variant-numeric: tabular-nums;
}

.zh-service h3 {
	transition: transform 0.5s var(--ease), color 0.3s ease;
}

.zh-service p {
	margin: 0;
	color: var(--muted-foreground);
	font-size: 0.95rem;
}

.zh-service .zh-arrow {
	color: var(--subtle);
	justify-self: end;
}

.zh-service:hover h3 {
	transform: translateX(0.5rem);
}

.zh-service:hover .zh-arrow {
	color: var(--copper);
	transform: translate(2px, -2px);
}

/* Detailed service blocks (Services page) */

.zh-service-detail {
	display: grid;
	grid-template-columns: 5rem minmax(0, 1fr) minmax(0, 1fr);
	gap: 2rem;
	padding-block: clamp(2.5rem, 5vw, 4rem);
	border-bottom: 1px solid var(--border);
	scroll-margin-top: 6rem;
}

.zh-service-detail__num {
	font-size: 0.8rem;
	color: var(--subtle);
	padding-top: 0.75rem;
}

.zh-service-detail h2 {
	font-size: clamp(2.25rem, 4.5vw, 3.5rem);
}

.zh-service-detail p {
	margin: 0 0 1.5rem;
	color: var(--muted-foreground);
	font-size: 1.05rem;
}

.zh-ticks {
	list-style: none;
	margin: 0;
	padding: 0;
}

.zh-ticks li {
	display: flex;
	gap: 0.85rem;
	align-items: baseline;
	padding-block: 0.6rem;
	border-top: 1px solid var(--border);
	font-size: 0.95rem;
}

.zh-ticks li::before {
	content: "";
	flex: none;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--copper);
	transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Work
   -------------------------------------------------------------------------- */

.zh-work {
	display: grid;
	gap: clamp(4rem, 9vw, 7rem);
}

.zh-case {
	display: grid;
	grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
	gap: clamp(2rem, 5vw, 4.5rem);
	align-items: center;
}

.zh-case:nth-child(even) .zh-case__media {
	order: 2;
}

.zh-case__media {
	position: relative;
	border-radius: 20px;
	overflow: hidden;
	aspect-ratio: 16 / 10;
	background: var(--background-2);
}

.zh-case__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 1.2s var(--ease);
}

.zh-case:hover .zh-case__media img {
	transform: scale(1.04);
}

/* Bottom-right: website screenshots usually carry their logo top-left. */
.zh-case__index {
	position: absolute;
	right: 1rem;
	bottom: 1rem;
	padding: 0.4rem 0.9rem;
	border-radius: 999px;
	font-size: 0.75rem;
	color: var(--foreground);
	background: rgba(10, 10, 10, 0.45);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.zh-case__kicker {
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--muted-foreground);
	margin: 0 0 1.25rem;
}

.zh-case h3 {
	font-size: clamp(2.5rem, 5vw, 4rem);
	margin-bottom: 1.5rem;
}

.zh-case p {
	color: var(--muted-foreground);
	margin: 0 0 1.75rem;
}

.zh-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.zh-tags li {
	font-size: 0.75rem;
	padding: 0.35rem 0.85rem;
	border-radius: 999px;
	box-shadow: inset 0 0 0 1px var(--border-strong);
	color: var(--muted-foreground);
}

/* --------------------------------------------------------------------------
   Approach (paper section)
   -------------------------------------------------------------------------- */

.zh-steps {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--paper-border);
}

.zh-step {
	padding: 2rem 2rem 0 0;
}

.zh-step + .zh-step {
	padding-left: 2rem;
	border-left: 1px solid var(--paper-border);
}

.zh-step__num {
	display: block;
	font-family: var(--font-display);
	font-size: 3.5rem;
	line-height: 1;
	color: var(--copper);
	margin-bottom: 2.5rem;
}

.zh-step h3 {
	font-size: 1.75rem;
	margin-bottom: 1rem;
	color: var(--paper-ink);
}

.zh-step p {
	margin: 0;
	font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Stats strip
   -------------------------------------------------------------------------- */

.zh-stats {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	border-top: 1px solid var(--border);
	margin-top: clamp(3rem, 7vw, 5rem);
}

.zh-stat {
	padding: 2rem 1.5rem 0 0;
}

.zh-stat + .zh-stat {
	padding-left: 1.5rem;
	border-left: 1px solid var(--border);
}

.zh-stat strong {
	display: block;
	font-family: var(--font-display);
	font-weight: 400;
	font-size: clamp(2.75rem, 5vw, 4rem);
	line-height: 1;
	margin-bottom: 0.75rem;
}

.zh-stat span {
	font-size: 0.875rem;
	color: var(--muted-foreground);
}

/* --------------------------------------------------------------------------
   Journal (posts)
   -------------------------------------------------------------------------- */

.zh-posts {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--border);
}

.zh-post-row a {
	display: grid;
	grid-template-columns: 9rem minmax(0, 1fr) 11rem 2rem;
	gap: 2rem;
	align-items: center;
	padding-block: 1.75rem;
	border-bottom: 1px solid var(--border);
}

.zh-post-row time,
.zh-post-row .zh-post-row__meta {
	font-size: 0.8rem;
	color: var(--subtle);
}

.zh-post-row h3 {
	font-size: clamp(1.5rem, 2.6vw, 2rem);
	transition: transform 0.5s var(--ease);
}

.zh-post-row .zh-arrow {
	justify-self: end;
	color: var(--subtle);
}

.zh-post-row a:hover h3 {
	transform: translateX(0.5rem);
}

.zh-post-row a:hover .zh-arrow {
	color: var(--copper);
}

.zh-post-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: clamp(2rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
}

.zh-post-card__media {
	display: block;
	aspect-ratio: 3 / 2;
	border-radius: 16px;
	overflow: hidden;
	background: var(--background-2);
	margin-bottom: 1.5rem;
}

.zh-post-card__media img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 1s var(--ease), opacity 0.5s ease;
	opacity: 0.92;
}

.zh-post-card:hover .zh-post-card__media img {
	transform: scale(1.04);
	opacity: 1;
}

.zh-post-card__media--empty {
	display: grid;
	place-items: center;
}

.zh-post-card__media--empty img {
	width: 56px;
	height: auto;
	opacity: 0.15;
}

.zh-post-card__meta {
	font-size: 0.8rem;
	color: var(--subtle);
	margin: 0 0 0.75rem;
}

.zh-post-card h2,
.zh-post-card h3 {
	font-size: clamp(1.6rem, 2.4vw, 2rem);
	line-height: 1.08;
	margin-bottom: 0.85rem;
}

.zh-post-card p {
	margin: 0;
	font-size: 0.95rem;
	color: var(--muted-foreground);
}

/* --------------------------------------------------------------------------
   Article
   -------------------------------------------------------------------------- */

.zh-article-head {
	padding-top: clamp(4.5rem, 10vw, 8rem);
	padding-bottom: clamp(2.5rem, 5vw, 4rem);
	text-align: center;
}

.zh-article-head h1 {
	font-size: clamp(2.6rem, 6.5vw, 5.25rem);
	max-width: 20ch;
	margin-inline: auto;
}

.zh-article-head__meta {
	display: flex;
	justify-content: center;
	flex-wrap: wrap;
	gap: 0.5rem 1.5rem;
	font-size: 0.8rem;
	color: var(--muted-foreground);
	margin-bottom: 2rem;
}

.zh-article-head__meta a:hover {
	color: var(--foreground);
}

.zh-article-media {
	max-width: 1100px;
	margin: 0 auto clamp(3rem, 6vw, 5rem);
	padding-inline: var(--gutter);
}

.zh-article-media img {
	width: 100%;
	border-radius: 20px;
}

.zh-prose {
	max-width: 46rem;
	margin-inline: auto;
	padding-inline: var(--gutter);
	padding-bottom: var(--section);
	font-size: 1.0625rem;
	line-height: 1.8;
	color: #d4d4d8;
}

.zh-prose > * + * {
	margin-top: 1.4em;
}

.zh-prose > *:first-child {
	margin-top: 0;
}

.zh-prose h2,
.zh-prose h3,
.zh-prose h4,
.zh-prose h5,
.zh-prose h6 {
	color: var(--foreground);
	margin-top: 2.2em;
	margin-bottom: 0;
}

.zh-prose h2 {
	font-size: clamp(2rem, 3.6vw, 2.75rem);
	line-height: 1.05;
}

.zh-prose h3 {
	font-size: clamp(1.6rem, 2.8vw, 2rem);
}

.zh-prose h4,
.zh-prose h5,
.zh-prose h6 {
	font-family: var(--font-body);
	font-weight: 500;
	font-size: 1.125rem;
	line-height: 1.4;
	letter-spacing: 0;
}

.zh-prose h2 + *,
.zh-prose h3 + *,
.zh-prose h4 + *,
.zh-prose h5 + * {
	margin-top: 0.8em;
}

.zh-prose strong {
	color: var(--foreground);
	font-weight: 500;
}

.zh-prose a {
	color: var(--foreground);
	text-decoration: underline;
	text-decoration-color: var(--copper);
	text-underline-offset: 4px;
	text-decoration-thickness: 1px;
}

.zh-prose a:hover {
	text-decoration-color: var(--foreground);
}

.zh-prose ul,
.zh-prose ol {
	padding-left: 1.25rem;
}

.zh-prose li + li {
	margin-top: 0.5em;
}

.zh-prose li::marker {
	color: var(--copper);
}

.zh-prose img {
	border-radius: 14px;
}

.zh-prose figure {
	margin-inline: 0;
}

.zh-prose figcaption {
	font-size: 0.85rem;
	color: var(--subtle);
	text-align: center;
	margin-top: 0.75rem;
}

.zh-prose blockquote {
	margin-inline: 0;
	padding-left: 1.5rem;
	border-left: 1px solid var(--copper);
	font-family: var(--font-display);
	font-size: 1.6rem;
	line-height: 1.3;
	color: var(--foreground);
}

.zh-prose hr {
	border: 0;
	border-top: 1px solid var(--border);
	margin-block: 3em;
}

.zh-prose table {
	display: block;
	width: 100%;
	overflow-x: auto;
	border-collapse: collapse;
	font-size: 0.95rem;
}

.zh-prose th,
.zh-prose td {
	text-align: left;
	padding: 0.75rem 1rem;
	border-bottom: 1px solid var(--border);
}

.zh-prose th {
	color: var(--foreground);
	font-weight: 500;
}

.zh-prose code {
	font-size: 0.9em;
	background: var(--background-2);
	padding: 0.15em 0.4em;
	border-radius: 6px;
}

.zh-prose pre {
	background: var(--background-2);
	padding: 1.25rem;
	border-radius: 12px;
	overflow-x: auto;
}

.zh-prose .wp-block-rank-math-toc-block,
.zh-prose #rank-math-toc {
	padding: 1.75rem 2rem;
	border-radius: 16px;
	box-shadow: inset 0 0 0 1px var(--border);
	background: var(--background-2);
}

.zh-prose .wp-block-rank-math-toc-block h2,
.zh-prose #rank-math-toc h2 {
	font-family: var(--font-body);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--muted-foreground);
	margin: 0 0 1rem;
}

.zh-prose .wp-block-rank-math-toc-block a,
.zh-prose #rank-math-toc a {
	text-decoration: none;
	color: #d4d4d8;
}

.zh-prose .wp-block-rank-math-toc-block a:hover,
.zh-prose #rank-math-toc a:hover {
	color: var(--foreground);
}

.zh-prose .wp-block-button__link {
	background: var(--foreground);
	color: var(--background);
	border-radius: 999px;
	text-decoration: none;
}

.zh-prose .wp-block-separator {
	border: 0;
	border-top: 1px solid var(--border);
}

.zh-prose .aligncenter,
.zh-prose .extendedwopts-md-center {
	margin-inline: auto;
	text-align: center;
}

/* Embedded content from older posts must never widen the page. */
.zh-prose {
	overflow-wrap: break-word;
}

.zh-prose canvas,
.zh-prose iframe,
.zh-prose video,
.zh-prose embed {
	max-width: 100%;
}

/* Comments: same quiet field style as the contact form. */
.zh-prose .comment-respond {
	margin-top: 3rem;
	padding-top: 2.5rem;
	border-top: 1px solid var(--border);
}

.zh-prose .comment-reply-title {
	font-family: var(--font-display);
	font-size: clamp(1.75rem, 3vw, 2.25rem);
	font-weight: 400;
	color: var(--foreground);
	margin: 0 0 0.5rem;
}

.zh-prose .comment-notes,
.zh-prose .logged-in-as {
	font-size: 0.875rem;
	color: var(--subtle);
}

.zh-prose .comment-form label {
	display: block;
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--muted-foreground);
	margin-bottom: 0.4rem;
}

.zh-prose .comment-form input[type="text"],
.zh-prose .comment-form input[type="email"],
.zh-prose .comment-form input[type="url"],
.zh-prose .comment-form textarea {
	width: 100%;
	font: inherit;
	font-size: 1rem;
	color: var(--foreground);
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--border-strong);
	border-radius: 0;
	padding: 0.6rem 0;
}

.zh-prose .comment-form textarea {
	min-height: 140px;
	resize: vertical;
}

.zh-prose .comment-form input:focus,
.zh-prose .comment-form textarea:focus {
	outline: none;
	border-bottom-color: var(--copper);
}

.zh-prose .comment-form-cookies-consent {
	display: flex;
	gap: 0.6rem;
	align-items: flex-start;
	font-size: 0.875rem;
	color: var(--subtle);
}

.zh-prose .comment-form-cookies-consent label {
	display: inline;
	text-transform: none;
	letter-spacing: 0;
	font-size: 0.875rem;
}

.zh-prose .comment-form .submit {
	font: inherit;
	font-size: 0.875rem;
	font-weight: 500;
	padding: 0.85rem 2rem;
	border: 0;
	border-radius: 999px;
	background: var(--foreground);
	color: var(--background);
	cursor: pointer;
	transition: transform 0.4s var(--ease);
}

.zh-prose .comment-form .submit:hover {
	transform: scale(1.03);
}

.zh-post-nav {
	max-width: var(--max);
	margin: 0 auto;
	padding-inline: var(--gutter);
	display: grid;
	grid-template-columns: 1fr 1fr;
	border-top: 1px solid var(--border);
}

.zh-post-nav a {
	display: block;
	padding-block: 2.5rem;
}

.zh-post-nav a + a,
.zh-post-nav span + a {
	text-align: right;
	padding-left: 2rem;
	border-left: 1px solid var(--border);
}

.zh-post-nav small {
	display: block;
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--subtle);
	margin-bottom: 0.75rem;
}

.zh-post-nav strong {
	font-family: var(--font-display);
	font-weight: 400;
	font-size: clamp(1.4rem, 2.4vw, 1.9rem);
	line-height: 1.1;
}

/* --------------------------------------------------------------------------
   Pricing (engagement models)
   -------------------------------------------------------------------------- */

.zh-plans {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1.25rem;
}

.zh-plan {
	display: flex;
	flex-direction: column;
	border-radius: 24px;
	padding: clamp(2rem, 3vw, 2.75rem);
	box-shadow: inset 0 0 0 1px var(--border);
	background: var(--background-2);
}

.zh-plan--featured {
	background: var(--foreground);
	color: var(--background);
	box-shadow: none;
}

.zh-plan__for {
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--muted-foreground);
	margin: 0 0 1.5rem;
}

.zh-plan--featured .zh-plan__for,
.zh-plan--featured p {
	color: var(--paper-muted);
}

.zh-plan h2 {
	font-size: clamp(2.75rem, 4.5vw, 3.75rem);
	margin-bottom: 1.25rem;
}

.zh-plan p {
	color: var(--muted-foreground);
	margin: 0 0 2rem;
}

.zh-plan .zh-ticks {
	margin-bottom: 2.5rem;
}

.zh-plan--featured .zh-ticks li {
	border-top-color: var(--paper-border);
}

.zh-plan__price {
	margin-top: auto;
	padding-top: 1.5rem;
	border-top: 1px solid var(--border);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.zh-plan--featured .zh-plan__price {
	border-top-color: var(--paper-border);
}

.zh-plan__price span {
	font-family: var(--font-display);
	font-size: 1.5rem;
	line-height: 1.1;
	font-style: italic;
}

.zh-plan--featured .zh-btn--solid {
	background: var(--background);
	color: var(--foreground);
}

.zh-faq {
	border-top: 1px solid var(--border);
}

.zh-faq details {
	border-bottom: 1px solid var(--border);
}

.zh-faq summary {
	list-style: none;
	cursor: pointer;
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 2rem;
	padding-block: 1.75rem;
	font-family: var(--font-display);
	font-size: clamp(1.5rem, 2.6vw, 2rem);
	line-height: 1.15;
}

.zh-faq summary::-webkit-details-marker {
	display: none;
}

.zh-faq summary::after {
	content: "+";
	font-family: var(--font-body);
	font-size: 1.25rem;
	font-weight: 400;
	color: var(--muted-foreground);
	transition: transform 0.4s var(--ease);
}

.zh-faq details[open] summary::after {
	transform: rotate(45deg);
}

.zh-faq details p {
	margin: 0 0 1.75rem;
	max-width: 46rem;
	color: var(--muted-foreground);
}

/* --------------------------------------------------------------------------
   Contact
   -------------------------------------------------------------------------- */

.zh-contact {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
	gap: clamp(3rem, 7vw, 6rem);
	scroll-margin-top: 6rem;
}

.zh-contact__list {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--border);
}

.zh-contact__list li {
	padding-block: 1.5rem;
	border-bottom: 1px solid var(--border);
}

.zh-contact__list small {
	display: block;
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--subtle);
	margin-bottom: 0.4rem;
}

.zh-contact__list a,
.zh-contact__list span {
	font-family: var(--font-display);
	font-size: clamp(1.5rem, 2.6vw, 2rem);
	line-height: 1.2;
}

.zh-contact__list a:hover {
	color: var(--muted-foreground);
}

.zh-form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem 1.25rem;
}

.zh-field {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.zh-field--full {
	grid-column: 1 / -1;
}

.zh-field label {
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--muted-foreground);
}

.zh-field input,
.zh-field select,
.zh-field textarea {
	width: 100%;
	font: inherit;
	font-size: 1rem;
	color: var(--foreground);
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--border-strong);
	border-radius: 0;
	padding: 0.75rem 0;
	transition: border-color 0.3s ease;
	-webkit-appearance: none;
	appearance: none;
}

.zh-field select {
	background-image: linear-gradient(45deg, transparent 50%, var(--muted-foreground) 50%), linear-gradient(135deg, var(--muted-foreground) 50%, transparent 50%);
	background-position: calc(100% - 10px) 55%, calc(100% - 5px) 55%;
	background-size: 5px 5px;
	background-repeat: no-repeat;
}

.zh-field select option {
	background: var(--background);
	color: var(--foreground);
}

.zh-field textarea {
	min-height: 140px;
	resize: vertical;
}

.zh-field input:focus,
.zh-field select:focus,
.zh-field textarea:focus {
	outline: none;
	border-bottom-color: var(--foreground);
}

.zh-hp {
	position: absolute;
	left: -9999px;
}

.zh-notice {
	grid-column: 1 / -1;
	padding: 1rem 1.25rem;
	border-radius: 12px;
	font-size: 0.95rem;
	box-shadow: inset 0 0 0 1px var(--border-strong);
}

.zh-notice--ok {
	box-shadow: inset 0 0 0 1px var(--copper);
}

/* --------------------------------------------------------------------------
   Values (About)
   -------------------------------------------------------------------------- */

.zh-values {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 1.25rem;
}

.zh-value {
	padding: 2.25rem;
	border-radius: 20px;
	box-shadow: inset 0 0 0 1px var(--border);
}

.zh-value h3 {
	font-size: 2rem;
	margin-bottom: 1rem;
}

.zh-value p {
	margin: 0;
	color: var(--muted-foreground);
}

.zh-about-intro {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: clamp(3rem, 7vw, 6rem);
}

.zh-about-intro p {
	margin: 0 0 1.25rem;
	color: var(--muted-foreground);
	font-size: 1.1rem;
}

.zh-about-intro__mark {
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 24px;
	background: var(--background-2);
	box-shadow: inset 0 0 0 1px var(--border);
	aspect-ratio: 1;
}

.zh-about-intro__mark img {
	width: 38%;
}

/* --------------------------------------------------------------------------
   CTA
   -------------------------------------------------------------------------- */

.zh-cta {
	padding-block: var(--section);
	text-align: center;
	border-top: 1px solid var(--border);
}

.zh-cta h2 {
	font-size: clamp(3rem, 9vw, 7.5rem);
	line-height: 0.95;
	letter-spacing: -0.03em;
	max-width: 14ch;
	margin-inline: auto;
}

.zh-cta p {
	margin: 2rem auto 0;
	max-width: 36rem;
	color: var(--muted-foreground);
}

.zh-cta__actions {
	margin-top: 3rem;
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	justify-content: center;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.zh-footer {
	border-top: 1px solid var(--border);
	padding-top: clamp(4rem, 8vw, 6rem);
	padding-bottom: 2rem;
	font-size: 0.9rem;
	color: var(--muted-foreground);
}

.zh-footer__top {
	display: grid;
	grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
	gap: 3rem;
}

.zh-footer__logo {
	width: 54px;
	height: auto;
	margin-bottom: 1.75rem;
}

.zh-footer__tagline {
	font-family: var(--font-display);
	font-size: 1.6rem;
	line-height: 1.2;
	color: var(--foreground);
	max-width: 18ch;
	margin: 0;
}

.zh-footer h2 {
	font-family: var(--font-body);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--subtle);
	margin: 0 0 1.25rem;
}

.zh-footer ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.zh-footer li + li {
	margin-top: 0.65rem;
}

.zh-footer a:hover {
	color: var(--foreground);
}

.zh-footer__base {
	margin-top: clamp(4rem, 8vw, 6rem);
	padding-top: 1.5rem;
	border-top: 1px solid var(--border);
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
	font-size: 0.8rem;
	color: var(--subtle);
}

.zh-wordmark {
	margin-top: clamp(3rem, 6vw, 5rem);
	font-family: var(--font-display);
	font-size: clamp(4rem, 17vw, 15rem);
	line-height: 0.8;
	letter-spacing: -0.04em;
	color: var(--foreground);
	text-align: center;
	white-space: nowrap;
	overflow: hidden;
	user-select: none;
}

/* --------------------------------------------------------------------------
   Pagination, search, 404
   -------------------------------------------------------------------------- */

.zh-pagination {
	margin-top: 4rem;
}

.zh-pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	justify-content: center;
}

.zh-pagination .page-numbers {
	min-width: 44px;
	height: 44px;
	padding-inline: 1rem;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 999px;
	font-size: 0.875rem;
	box-shadow: inset 0 0 0 1px var(--border);
	color: var(--muted-foreground);
}

.zh-pagination .page-numbers.current,
.zh-pagination a.page-numbers:hover {
	background: var(--foreground);
	color: var(--background);
	box-shadow: none;
}

.zh-search {
	display: flex;
	gap: 0.75rem;
	max-width: 32rem;
	margin-top: 2rem;
}

.zh-search input[type="search"] {
	flex: 1;
	min-width: 0;
	font: inherit;
	color: var(--foreground);
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--border-strong);
	padding: 0.75rem 0;
}

.zh-search input[type="search"]:focus {
	outline: none;
	border-bottom-color: var(--foreground);
}

.zh-empty {
	color: var(--muted-foreground);
	font-size: 1.1rem;
}

/* --------------------------------------------------------------------------
   Copper accents: small signals, never fills
   -------------------------------------------------------------------------- */

::selection {
	background: var(--copper);
	color: var(--background);
}

/* Scroll progress hairline under the header */
.zh-header::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -1px;
	height: 1px;
	width: 100%;
	background: var(--copper);
	transform: scaleX(var(--zh-progress, 0));
	transform-origin: left;
	opacity: 0.9;
}

/* Current page in the nav gets a copper dot */
@media (min-width: 861px) {
	.zh-nav li {
		position: relative;
	}

	.zh-nav .current-menu-item > a::after,
	.zh-nav .current_page_item > a::after,
	.zh-nav .current-menu-ancestor > a::after {
		content: "";
		position: absolute;
		left: 50%;
		bottom: -10px;
		width: 4px;
		height: 4px;
		margin-left: -2px;
		border-radius: 50%;
		background: var(--copper);
	}
}

/* Glass buttons pick up a copper edge on hover */
.zh-btn.liquid-glass:hover {
	box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1), inset 0 0 0 1px rgba(201, 138, 70, 0.6);
}

.zh-service:hover::before,
.zh-post-row a:hover time {
	color: var(--copper);
}

.zh-post-row time,
.zh-service::before {
	transition: color 0.3s ease;
}

.zh-case .zh-case__kicker,
.zh-article-head__meta a,
.zh-footer h2,
.zh-contact__list small,
.zh-plan .zh-plan__for {
	color: var(--copper);
}

.zh-plan--featured .zh-plan__for {
	color: #a8692c;
}

.zh-plan__price span,
.zh-faq summary::after {
	color: var(--copper);
}

.zh-plan--featured .zh-plan__price span {
	color: #a8692c;
}

.zh-tags li {
	transition: box-shadow 0.3s ease, color 0.3s ease;
}

.zh-case:hover .zh-tags li {
	box-shadow: inset 0 0 0 1px rgba(201, 138, 70, 0.5);
	color: var(--foreground);
}

.zh-field input:focus,
.zh-field select:focus,
.zh-field textarea:focus {
	border-bottom-color: var(--copper);
}

/* --------------------------------------------------------------------------
   Elementor pages keep their own layout
   -------------------------------------------------------------------------- */

.zh-elementor-page {
	min-height: 40vh;
}

/* --------------------------------------------------------------------------
   Motion
   -------------------------------------------------------------------------- */

@keyframes fade-rise {
	from {
		opacity: 0;
		transform: translateY(24px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.animate-fade-rise {
	animation: fade-rise 0.8s ease-out both;
}

.animate-fade-rise-delay {
	animation: fade-rise 0.8s ease-out 0.2s both;
}

.animate-fade-rise-delay-2 {
	animation: fade-rise 0.8s ease-out 0.4s both;
}

.js .zh-reveal {
	opacity: 0;
	transform: translateY(24px);
	transition: opacity 1s var(--ease), transform 1s var(--ease);
}

.js .zh-reveal.is-visible {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	.animate-fade-rise,
	.animate-fade-rise-delay,
	.animate-fade-rise-delay-2 {
		animation: none;
	}

	.js .zh-reveal {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.zh-marquee__track {
		animation: none;
		flex-wrap: wrap;
		justify-content: center;
		width: auto;
	}

	.zh-marquee__group[aria-hidden="true"] {
		display: none;
	}

	.zh-marquee {
		-webkit-mask-image: none;
		mask-image: none;
	}
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
	.zh-steps,
	.zh-stats {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.zh-step:nth-child(3),
	.zh-stat:nth-child(3) {
		padding-left: 0;
		border-left: 0;
	}

	.zh-step {
		padding-bottom: 2.5rem;
	}

	.zh-plans,
	.zh-values {
		grid-template-columns: 1fr;
		max-width: 40rem;
	}

	.zh-post-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.zh-footer__top {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.zh-footer__brand {
		grid-column: 1 / -1;
	}
}

@media (max-width: 860px) {
	.zh-menu-toggle {
		display: inline-flex;
	}

	.zh-nav-bar > .zh-btn {
		display: none;
	}

	.zh-nav {
		position: fixed;
		inset: 0;
		z-index: -1;
		display: flex;
		flex-direction: column;
		justify-content: center;
		padding: 6rem var(--gutter) 3rem;
		background: var(--background);
		opacity: 0;
		visibility: hidden;
		transition: opacity 0.4s ease, visibility 0s linear 0.4s;
	}

	.zh-nav.is-open {
		opacity: 1;
		visibility: visible;
		transition: opacity 0.4s ease;
	}

	.zh-nav ul {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.25rem;
	}

	.zh-nav a:not(.zh-btn) {
		font-family: var(--font-display);
		font-size: clamp(2.75rem, 11vw, 3.5rem);
		line-height: 1.1;
		color: var(--foreground);
	}

	.zh-nav .zh-btn--solid {
		color: var(--background);
		font-size: 1rem;
		padding: 1rem 2.25rem;
	}

	.zh-nav__cta-mobile {
		display: inline-flex;
		margin-top: 2.5rem;
		align-self: flex-start;
	}

	body.zh-menu-open {
		overflow: hidden;
	}

	/* A backdrop-filter would trap the fixed overlay inside the header box. */
	body.zh-menu-open .zh-header {
		backdrop-filter: none;
		-webkit-backdrop-filter: none;
		background: var(--background);
	}

	.zh-section__head,
	.zh-page-hero__row,
	.zh-case,
	.zh-contact,
	.zh-about-intro {
		grid-template-columns: 1fr;
	}

	.zh-section__head {
		gap: 1.5rem;
	}

	.zh-case:nth-child(even) .zh-case__media {
		order: 0;
	}

	.zh-service {
		grid-template-columns: 2.5rem minmax(0, 1fr) 1.5rem;
		gap: 0.5rem 1rem;
	}

	.zh-service p {
		grid-column: 2 / 3;
	}

	.zh-service .zh-arrow {
		grid-column: 3;
		grid-row: 1;
	}

	.zh-service-detail {
		grid-template-columns: 1fr;
		gap: 1rem;
	}

	.zh-post-row a {
		grid-template-columns: minmax(0, 1fr) 1.5rem;
		gap: 0.5rem 1rem;
	}

	.zh-post-row time {
		grid-column: 1;
	}

	.zh-post-row .zh-post-row__meta {
		display: none;
	}

	.zh-post-row h3 {
		grid-column: 1;
	}

	.zh-post-row .zh-arrow {
		grid-column: 2;
		grid-row: 1 / span 2;
	}

	.zh-about-intro__mark {
		max-width: 22rem;
	}
}

@media (max-width: 640px) {
	.zh-hero__content {
		padding-top: 7rem;
	}

	.zh-hero__title {
		letter-spacing: -1.5px;
	}

	.zh-btn--lg {
		padding: 1.1rem 2.5rem;
	}

	.zh-hero__meta {
		display: none;
	}

	.zh-steps,
	.zh-stats,
	.zh-post-grid,
	.zh-form {
		grid-template-columns: 1fr;
	}

	.zh-step + .zh-step,
	.zh-stat + .zh-stat {
		padding-left: 0;
		border-left: 0;
		border-top: 1px solid var(--paper-border);
	}

	.zh-stat + .zh-stat {
		border-top-color: var(--border);
	}

	.zh-stat {
		padding-bottom: 2rem;
	}

	.zh-footer__top {
		grid-template-columns: 1fr 1fr;
	}

	.zh-post-nav {
		grid-template-columns: 1fr;
	}

	.zh-post-nav a + a,
	.zh-post-nav span + a {
		text-align: left;
		padding-left: 0;
		border-left: 0;
		border-top: 1px solid var(--border);
	}

	.zh-client {
		height: 60px;
	}

	.zh-client img {
		height: 60px;
		max-width: 140px;
	}

	.zh-client__name {
		font-size: 1.6rem;
	}
}