:root {
	--bg: #f4f6f8;
	--surface: #ffffff;
	--surface-soft: #f8fafc;
	--surface-elevated: rgba(255, 255, 255, 0.92);
	--border: #dde3ea;
	--border-strong: #cfd8e3;
	--text: #0f1724;
	--text-muted: #42556d;
	--heading: #0a1220;
	--accent: #1368d6;
	--accent-soft: #eaf2fd;
	--accent-strong: #0f56b1;
	--focus-ring: 0 0 0 3px rgba(19, 104, 214, 0.16);
	--radius-lg: 18px;
	--radius-md: 12px;
	--radius-sm: 8px;
	--shadow-sm: 0 2px 10px rgba(7, 19, 38, 0.06);
	--shadow-md: 0 8px 28px rgba(7, 19, 38, 0.08);
	--shadow-lg: 0 18px 38px rgba(7, 19, 38, 0.12);
	--elev-card: 0 6px 16px rgba(10, 28, 49, 0.055);
	--elev-card-hover: 0 10px 22px rgba(9, 27, 47, 0.085);
	--duration-ui: 0.24s;
	--ease-ui: cubic-bezier(0.22, 0.61, 0.36, 1);
	--container: 1180px;
	--space-xs: 0.5rem;
	--space-sm: 0.875rem;
	--space-md: 1.25rem;
	--space-lg: 2rem;
	--space-xl: 3.5rem;
	--space-2xl: 5rem;
}

* {
	box-sizing: border-box;
}

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

body {
	margin: 0;
	font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
	font-weight: 400;
	color: var(--text);
	background:
		radial-gradient(circle at 85% 0%, #ebf2fb 0%, rgba(235, 242, 251, 0) 40%),
		radial-gradient(circle at 10% 100%, #edf3f9 0%, rgba(237, 243, 249, 0) 38%),
		var(--bg);
	line-height: 1.66;
	letter-spacing: -0.01em;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-rendering: optimizeLegibility;
}

a {
	color: inherit;
	text-underline-offset: 0.16em;
}

main {
	display: block;
}

section[id] {
	scroll-margin-top: 6.5rem;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
	outline: none;
	box-shadow: var(--focus-ring);
}

.container {
	width: min(var(--container), calc(100% - 3rem));
	margin-inline: auto;
}

.section {
	padding: var(--space-2xl) 0;
}

.section.tight {
	padding-top: var(--space-xl);
	padding-bottom: var(--space-xl);
}

.section-head {
	max-width: 700px;
	margin-bottom: var(--space-xl);
}

.section-head > p:not(.section-kicker) {
	margin-top: 0.95rem;
	max-width: 56ch;
}

.section-head .section-kicker + h2 {
	margin-top: 0.16rem;
}

.section-head h2 + p {
	margin-top: 0.92rem;
}

.section-kicker {
	display: inline-block;
	margin: 0 0 var(--space-sm);
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.66rem;
	line-height: 1.64;
	text-transform: uppercase;
	letter-spacing: 0.21em;
	font-weight: 500;
	color: #4f6885;
	background: transparent;
	padding: 0;
	border-radius: 0;
}

body[data-nav-section="home"] main > section {
	position: relative;
	isolation: isolate;
	border-radius: 22px;
	--section-tint: rgba(236, 244, 252, 0.28);
}

body[data-nav-section="home"] main > section + section {
	margin-top: 1.48rem;
}

body[data-nav-section="home"] main > section:not(.hero)::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	border: 1px solid rgba(210, 220, 232, 0.56);
	background:
		radial-gradient(115% 82% at 50% 0%, var(--section-tint) 0%, rgba(255, 255, 255, 0) 64%),
		linear-gradient(180deg, rgba(255, 255, 255, 0.64) 0%, rgba(247, 250, 253, 0.38) 100%);
	pointer-events: none;
	z-index: -1;
}

body[data-nav-section="home"] main > section:nth-of-type(even):not(.hero)::before {
	background:
		radial-gradient(115% 82% at 50% 0%, rgba(225, 238, 250, 0.34) 0%, rgba(255, 255, 255, 0) 64%),
		linear-gradient(180deg, rgba(255, 255, 255, 0.64) 0%, rgba(236, 243, 250, 0.42) 100%);
}

body[data-nav-section="home"] .trust-strip {
	--section-tint: rgba(233, 242, 251, 0.22);
}

body[data-nav-section="home"] .problem-bridge {
	--section-tint: rgba(241, 247, 253, 0.26);
}

body[data-nav-section="home"] #services {
	--section-tint: rgba(229, 239, 250, 0.28);
}

body[data-nav-section="home"] #use-cases {
	--section-tint: rgba(241, 247, 253, 0.3);
}

body[data-nav-section="home"] #why-aptelic {
	--section-tint: rgba(231, 241, 251, 0.28);
}

body[data-nav-section="home"] .engagement-model {
	--section-tint: rgba(224, 238, 252, 0.3);
}

body[data-nav-section="home"] .final-cta {
	--section-tint: rgba(237, 245, 252, 0.26);
}

body[data-nav-section="home"] main > section:not(.hero) > .container {
	position: relative;
	z-index: 1;
}

body[data-nav-section="home"] .section-head {
	max-width: 680px;
	margin-bottom: calc(var(--space-xl) + 0.15rem);
}

body[data-nav-section="home"] .section-head > p:not(.section-kicker) {
	margin-top: 1.08rem;
	max-width: 52ch;
	line-height: 1.78;
}

body[data-nav-section="home"] .section-head h2 + p {
	margin-top: 1.02rem;
}

body[data-nav-section="home"] .hero-subheadline,
body[data-nav-section="home"] .hero p {
	max-width: 52ch;
	line-height: 1.76;
}

body[data-nav-section="home"] .problem-bridge-lead p {
	max-width: 52ch;
	line-height: 1.74;
}

body[data-nav-section="home"] .service-card p,
body[data-nav-section="home"] .use-case-problem,
body[data-nav-section="home"] .why-pillar p,
body[data-nav-section="home"] .engagement-stage p,
body[data-nav-section="home"] .trust-pill p,
body[data-nav-section="home"] .problem-point p,
body[data-nav-section="home"] .final-cta-support {
	line-height: 1.68;
}

body[data-nav-section="home"] .card,
body[data-nav-section="home"] .service-card,
body[data-nav-section="home"] .use-case-card,
body[data-nav-section="home"] .why-pillar,
body[data-nav-section="home"] .engagement-stage,
body[data-nav-section="home"] .trust-pill,
body[data-nav-section="home"] .problem-point {
	background: rgba(255, 255, 255, 0.96);
	box-shadow: var(--elev-card);
	border-color: #d6e0eb;
	border-radius: var(--radius-md);
	transition: transform var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), border-color var(--duration-ui) var(--ease-ui);
}

body[data-nav-section="home"] .card:hover,
body[data-nav-section="home"] .service-card:hover,
body[data-nav-section="home"] .use-case-card:hover,
body[data-nav-section="home"] .why-pillar:hover,
body[data-nav-section="home"] .engagement-stage:hover,
body[data-nav-section="home"] .trust-pill:hover,
body[data-nav-section="home"] .problem-point:hover {
	transform: translateY(-1px);
	box-shadow: var(--elev-card-hover);
	border-color: #cfdbe8;
}

h1,
h2,
h3 {
	color: var(--heading);
	line-height: 1.12;
	letter-spacing: -0.03em;
	margin: 0;
}

h1 {
	font-size: clamp(2rem, 4.8vw, 4rem);
}

h2 {
	font-size: clamp(1.5rem, 3vw, 2.45rem);
}

h3 {
	font-size: clamp(1.1rem, 2vw, 1.4rem);
}

p {
	margin: 0;
	color: var(--text-muted);
	line-height: 1.72;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 100;
	backdrop-filter: blur(12px);
	background: rgba(244, 246, 248, 0.88);
	border-bottom: 1px solid rgba(15, 23, 36, 0.07);
	box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65);
}

.site-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
	min-height: 68px;
}

.brand-lockup {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	min-width: 0;
}

.brand {
	text-decoration: none;
	display: inline-flex;
	align-items: center;
	gap: 0.04rem;
	font-weight: 750;
	font-size: 1.42rem;
	color: var(--heading);
	letter-spacing: -0.03em;
	line-height: 1;
	transition: color 0.18s ease, opacity 0.18s ease;
}

.brand-wordmark {
	line-height: 1;
}

.brand-dot {
	color: inherit;
	line-height: 1;
}

.brand-tagline {
	margin-left: 0.12rem;
	padding-left: 0.54rem;
	border-left: 1px solid rgba(123, 141, 162, 0.36);
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.61rem;
	font-weight: 500;
	line-height: 1;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	color: #5f7288;
	white-space: nowrap;
}

.brand:hover,
.brand:focus-visible {
	color: #08111f;
	opacity: 0.92;
}

.menu-toggle {
	display: none;
	border: 1px solid var(--border);
	background: var(--surface);
	color: var(--heading);
	border-radius: 10px;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: border-color 0.18s ease, background-color 0.18s ease, transform 0.18s ease;
}

.site-nav {
	display: flex;
	align-items: center;
	gap: 0.35rem;
}

.site-nav .btn-primary {
	margin-left: 0.6rem;
	padding-inline: 1.02rem;
	box-shadow: 0 8px 20px rgba(15, 86, 177, 0.2);
}

.site-nav a {
	text-decoration: none;
	color: #32465f;
	font-size: 0.95rem;
	padding: 0.48rem 0.62rem;
	border-radius: 6px;
	min-height: 42px;
	display: inline-flex;
	align-items: center;
	box-shadow: inset 0 -1px 0 rgba(19, 104, 214, 0);
	transition: color 0.18s ease, box-shadow 0.18s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
	color: var(--heading);
}

.site-nav a:hover {
	box-shadow: inset 0 -1px 0 rgba(19, 104, 214, 0.32);
}

.site-nav a[aria-current="page"] {
	box-shadow: inset 0 -1.6px 0 rgba(19, 104, 214, 0.72);
}

.site-nav .btn-primary:hover {
	box-shadow: 0 9px 20px rgba(15, 86, 177, 0.2);
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	border-radius: 10px;
	text-decoration: none;
	font-weight: 600;
	font-size: 0.95rem;
	border: 1px solid transparent;
	padding: 0.9rem 1.24rem;
	min-height: 48px;
	transition: transform var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), background-color var(--duration-ui) var(--ease-ui), border-color var(--duration-ui) var(--ease-ui);
}

.btn-primary {
	background: linear-gradient(180deg, #1a74e4 0%, #1368d6 100%);
	color: #fff;
	box-shadow: 0 7px 18px rgba(15, 86, 177, 0.15);
}

.btn-primary:hover {
	background: linear-gradient(180deg, #176edb 0%, #0f5fc5 100%);
	transform: translateY(-1px);
	box-shadow: 0 10px 22px rgba(15, 86, 177, 0.2);
}

.btn-primary:active {
	transform: translateY(0);
	box-shadow: 0 6px 14px rgba(15, 86, 177, 0.16);
}

.btn-secondary {
	background: var(--surface);
	border-color: var(--border);
	color: var(--heading);
}

.btn-secondary:hover {
	background: rgba(255, 255, 255, 0.96);
	border-color: var(--border-strong);
	box-shadow: 0 5px 14px rgba(14, 30, 51, 0.07);
}

.btn:disabled,
.btn[aria-disabled="true"] {
	opacity: 0.7;
	cursor: not-allowed;
	transform: none;
}

.hero {
	padding: clamp(3.4rem, 6.2vw, 7rem) 0 4rem;
	position: relative;
	overflow: clip;
	background:
		radial-gradient(120% 90% at 88% 6%, rgba(18, 78, 152, 0.07) 0%, rgba(18, 78, 152, 0) 58%),
		radial-gradient(100% 78% at 8% 90%, rgba(11, 23, 41, 0.035) 0%, rgba(11, 23, 41, 0) 62%),
		linear-gradient(180deg, rgba(255, 255, 255, 0.58) 0%, rgba(255, 255, 255, 0.2) 100%);
}

.hero-executive {
	padding-top: clamp(4.6rem, 8.2vw, 9rem);
	padding-bottom: 4.4rem;
}

.hero-shell {
	display: grid;
	grid-template-columns: 1.58fr 1fr;
	gap: clamp(1.4rem, 3vw, 2.8rem);
	align-items: end;
}

.hero-lead h1 {
	max-width: 13ch;
	text-wrap: balance;
}

.hero-subheadline {
	margin-top: 1.55rem;
	max-width: 54ch;
	font-size: clamp(1rem, 1.32vw, 1.17rem);
	line-height: 1.7;
	color: #24384f;
}

.hero-points {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	margin-top: 1.05rem;
}

.hero-points span {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: #3f5470;
	padding: 0.35rem 0.56rem;
	border-radius: 999px;
	border: 1px solid #d8e0e9;
	background: rgba(255, 255, 255, 0.78);
}

.hero-proof {
	background: var(--surface-elevated);
	border: 1px solid #d9e1ea;
	border-radius: var(--radius-md);
	padding: clamp(1.3rem, 2.3vw, 1.86rem);
	box-shadow: var(--elev-card);
	transition: border-color var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), transform var(--duration-ui) var(--ease-ui);
}

.hero-proof-kicker {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.72rem;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: #4d6280;
	margin-bottom: 0.45rem;
}

.hero-proof h2 {
	font-size: clamp(1.2rem, 2vw, 1.6rem);
	font-weight: 650;
	margin-bottom: 0.9rem;
}

.hero-proof ul {
	margin: 0;
	padding-left: 1.1rem;
	display: grid;
	gap: 0.7rem;
}

.hero-proof li {
	color: #2c415b;
	font-size: 0.93rem;
	line-height: 1.58;
}

.trust-strip {
	padding: 0 0 var(--space-xl);
}

body[data-nav-section="home"] .trust-strip + .problem-bridge {
	margin-top: 0.96rem;
}

.trust-strip-inner {
	border: 0;
	background: linear-gradient(180deg, rgba(248, 251, 255, 0.58) 0%, rgba(248, 251, 255, 0.2) 100%);
	border-radius: var(--radius-lg);
	padding: clamp(0.96rem, 2vw, 1.3rem);
	box-shadow: none;
}

.trust-strip-head {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	gap: 0;
	margin-bottom: 0.72rem;
}

.trust-strip-head .section-kicker {
	margin: 0;
}

.trust-strip-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 1.18rem;
}

.trust-pill {
	border: 1px solid #d4deea;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.94);
	padding: 1rem 1rem;
	box-shadow: var(--elev-card);
	transition: border-color var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), transform var(--duration-ui) var(--ease-ui);
}

.trust-pill h3 {
	font-size: 0.98rem;
	margin-bottom: 0.35rem;
	letter-spacing: -0.01em;
}

.trust-pill p {
	font-size: 0.85rem;
	line-height: 1.58;
	color: #3e5570;
}

.trust-strip-footnote {
	margin-top: 0.75rem;
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.68rem;
	letter-spacing: 0.07em;
	text-transform: uppercase;
	color: #576f8d;
}

.problem-bridge {
	padding: 0 0 var(--space-xl);
}

.problem-bridge-inner {
	display: grid;
	grid-template-columns: 1.2fr 1fr;
	gap: clamp(1rem, 2vw, 1.6rem);
	border: 1px solid #d9e1ea;
	background: var(--surface-elevated);
	border-radius: var(--radius-lg);
	padding: clamp(1rem, 2vw, 1.5rem);
	box-shadow: var(--shadow-sm);
}

.problem-bridge-lead h2 {
	max-width: 20ch;
	text-wrap: balance;
}

.problem-bridge-lead p {
	margin-top: 0.9rem;
	max-width: 54ch;
	font-size: 1rem;
	line-height: 1.68;
	color: #2d445d;
}

body[data-nav-section="home"] .problem-bridge-points {
	display: grid;
	gap: 0.9rem;
}

body[data-nav-section="home"] .problem-point {
	border: 1px solid rgba(213, 224, 237, 0.62);
	border-radius: var(--radius-md);
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(249, 252, 255, 0.82) 100%);
	padding: 0.94rem 0.96rem;
	box-shadow: 0 5px 14px rgba(10, 30, 55, 0.045);
	transition: border-color var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), transform var(--duration-ui) var(--ease-ui);
}

body[data-nav-section="home"] .problem-point-featured {
	border-color: rgba(191, 208, 228, 0.92);
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(243, 249, 255, 0.94) 100%);
	box-shadow: 0 9px 22px rgba(10, 30, 55, 0.085);
	transform: translateY(-1px);
}

body[data-nav-section="home"] .problem-point-featured h3 {
	color: #132e4d;
}

body[data-nav-section="home"] .problem-point-featured p {
	color: #324d68;
}

.problem-point h3 {
	font-size: 0.98rem;
	margin-bottom: 0.42rem;
	line-height: 1.28;
}

.problem-point p {
	font-size: 0.89rem;
	line-height: 1.62;
	color: #415773;
}

.hero-grid {
	display: grid;
	grid-template-columns: 1.45fr 1fr;
	gap: 2.2rem;
	align-items: end;
}

.hero p {
	max-width: 56ch;
	margin-top: 1.2rem;
	font-size: clamp(1rem, 1.3vw, 1.15rem);
	line-height: 1.7;
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.8rem;
	margin-top: 2.2rem;
}

.hero-actions .btn-primary {
	box-shadow: 0 10px 22px rgba(15, 86, 177, 0.18);
}

.hero-actions .btn-primary:hover {
	box-shadow: 0 11px 24px rgba(15, 86, 177, 0.2);
}

.hero-actions .btn-secondary {
	background: transparent;
	border-color: #c4d2e2;
	color: #2b3f57;
	box-shadow: none;
}

.hero-actions .btn-secondary:hover {
	background: rgba(255, 255, 255, 0.62);
	border-color: #9eb6cf;
	color: #172639;
	box-shadow: 0 5px 12px rgba(14, 30, 51, 0.07);
}

.hero-meta {
	display: grid;
	gap: 0.9rem;
}

.metric-card {
	border: 1px solid var(--border);
	background: rgba(255, 255, 255, 0.96);
	border-radius: var(--radius-md);
	padding: 1rem;
	box-shadow: var(--elev-card);
	transition: border-color var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), transform var(--duration-ui) var(--ease-ui);
}

.metric-card p {
	margin-top: 0.28rem;
}

.metric-card strong {
	display: block;
	font-size: 1.2rem;
	color: var(--heading);
}

.grid {
	display: grid;
	gap: 1.1rem;
}

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

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

.grid.cols-4 {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	padding: 1.3rem;
	box-shadow: var(--elev-card);
	display: flex;
	flex-direction: column;
	transition: border-color var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), transform var(--duration-ui) var(--ease-ui);
}

.card:hover {
	transform: translateY(-1.5px);
	box-shadow: var(--elev-card-hover);
	border-color: var(--border-strong);
}

.card h3 {
	margin-bottom: 0.7rem;
}

.service-link {
	color: var(--accent-strong);
	text-decoration: none;
	font-size: 0.9rem;
	font-weight: 600;
}

.services-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.95rem;
}

.service-card {
	position: relative;
	border: 1px solid #d9e2ec;
	border-radius: var(--radius-md);
	padding: 1.15rem 1.1rem;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(250, 252, 255, 0.92) 100%);
	box-shadow: var(--elev-card);
	transition: transform var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), border-color var(--duration-ui) var(--ease-ui);
	display: flex;
	flex-direction: column;
}

.service-card::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: inherit;
	border: 1px solid rgba(19, 104, 214, 0);
	pointer-events: none;
	transition: border-color var(--duration-ui) var(--ease-ui);
}

.service-card:hover {
	transform: translateY(-1.5px);
	box-shadow: var(--elev-card-hover);
	border-color: #d1dbe6;
}

.service-card:hover::before {
	border-color: rgba(19, 104, 214, 0.2);
}

.service-index {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.72rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: #5d7390;
	margin-bottom: 0.42rem;
}

.service-card h3 {
	font-size: 1.16rem;
	margin-bottom: 0.55rem;
	letter-spacing: -0.015em;
}

.service-card p {
	font-size: 0.92rem;
	line-height: 1.64;
	color: #3e5570;
}

.service-link-row {
	margin-top: auto;
	padding-top: 0.72rem;
	border-top: 1px solid #e2e8f0;
}

.service-link:hover {
	text-decoration: underline;
	text-underline-offset: 0.14em;
}

.usecase-outcome {
	display: inline-block;
	margin-top: 0.8rem;
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.78rem;
	color: #24405f;
	background: #f2f6fb;
	border-radius: var(--radius-sm);
	padding: 0.35rem 0.58rem;
}

.use-cases-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.9rem;
}

.use-case-card {
	border: 1px solid rgba(210, 222, 236, 0.72);
	background: rgba(255, 255, 255, 0.95);
	border-radius: var(--radius-md);
	padding: 1rem 1rem 0.95rem;
	box-shadow: 0 8px 20px rgba(10, 30, 55, 0.055);
	transition: transform var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), border-color var(--duration-ui) var(--ease-ui);
	display: flex;
	flex-direction: column;
}

.use-case-card:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 24px rgba(9, 27, 47, 0.085);
	border-color: rgba(201, 214, 229, 0.9);
}

.use-case-card h3 {
	font-size: 1.04rem;
	margin-bottom: 0.6rem;
	letter-spacing: -0.015em;
}

.use-case-problem {
	font-size: 0.89rem;
	line-height: 1.64;
	color: #586f88;
}

.use-case-outcome-line {
	margin-top: auto;
	padding-top: 0.96rem;
	border-top: 1px solid #d8e3ef;
	font-size: 0.89rem;
	line-height: 1.56;
	font-weight: 520;
	font-family: "IBM Plex Mono", "Consolas", monospace;
	color: #1f3f5f;
}

.why-aptelic-section {
	padding-top: var(--space-xl);
}

.why-aptelic-layout {
	display: grid;
	grid-template-columns: 1.55fr 1fr;
	gap: 1.22rem;
	align-items: start;
}

.why-aptelic-primary {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.02rem;
}

.why-pillar-wide {
	grid-column: 1 / -1;
}

.why-pillar {
	border: 1px solid rgba(214, 224, 236, 0.72);
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.93);
	padding: 1.02rem 1.04rem;
	box-shadow: 0 8px 20px rgba(10, 30, 55, 0.06);
	transition: transform var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), border-color var(--duration-ui) var(--ease-ui);
	height: 100%;
}

.why-pillar:hover {
	transform: translateY(-1.5px);
	box-shadow: 0 11px 24px rgba(9, 27, 47, 0.09);
	border-color: rgba(206, 218, 232, 0.9);
}

.why-pillar h3 {
	font-size: 1.03rem;
	margin-bottom: 0.42rem;
	letter-spacing: -0.015em;
}

.why-pillar p {
	font-size: 0.9rem;
	line-height: 1.62;
	color: #3f5671;
}

.why-aptelic-proof {
	border: 1px solid rgba(214, 224, 236, 0.72);
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.9);
	padding: 1.02rem 1.04rem;
	box-shadow: 0 8px 20px rgba(10, 30, 55, 0.06);
}

.why-proof-kicker {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.72rem;
	letter-spacing: 0.11em;
	text-transform: uppercase;
	color: #516985;
	margin-bottom: 0.42rem;
}

.why-aptelic-proof ul {
	margin: 0;
	padding-left: 1rem;
	display: grid;
	gap: 0.56rem;
}

.why-aptelic-proof li {
	font-size: 0.9rem;
	line-height: 1.6;
	color: #3a526c;
}

.why-support-list {
	margin-top: 1.12rem;
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.95rem;
}

.why-support-item {
	border: 1px solid rgba(216, 226, 238, 0.64);
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.7);
	padding: 1.02rem 1.04rem;
	box-shadow: 0 5px 14px rgba(10, 30, 55, 0.045);
}

.why-support-item h3 {
	font-size: 0.94rem;
	margin-bottom: 0.34rem;
	letter-spacing: -0.01em;
}

.why-support-item p {
	font-size: 0.86rem;
	line-height: 1.56;
	color: #50657e;
}

.engagement-model {
	padding-top: var(--space-xl);
}

body[data-nav-section="home"] .engagement-model::before {
	border-color: rgba(198, 213, 231, 0.7);
	background:
		radial-gradient(115% 85% at 86% 8%, rgba(22, 94, 182, 0.06) 0%, rgba(22, 94, 182, 0) 60%),
		linear-gradient(180deg, rgba(248, 251, 255, 0.9) 0%, rgba(241, 247, 253, 0.66) 100%);
}

body[data-nav-section="home"] .engagement-model > .container {
	position: relative;
	z-index: 1;
}

.engagement-layout {
	display: grid;
	grid-template-columns: 1.6fr 1fr;
	gap: 1rem;
	align-items: start;
}

.engagement-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.9rem;
	position: relative;
	padding-left: 0.58rem;
}

.engagement-grid::before {
	content: "";
	position: absolute;
	left: 0.24rem;
	top: 1rem;
	bottom: 1rem;
	width: 1px;
	background: linear-gradient(180deg, rgba(188, 206, 226, 0.75) 0%, rgba(188, 206, 226, 0.25) 100%);
}

.engagement-stage {
	border: 1px solid #d9e2ec;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.92);
	padding: 0.95rem 0.95rem 0.9rem;
	box-shadow: var(--elev-card);
	transition: transform var(--duration-ui) var(--ease-ui), box-shadow var(--duration-ui) var(--ease-ui), border-color var(--duration-ui) var(--ease-ui);
	height: 100%;
	position: relative;
	margin-left: 0.42rem;
}

.engagement-stage::before {
	content: "";
	position: absolute;
	left: -0.92rem;
	top: 1rem;
	width: 0.5rem;
	height: 0.5rem;
	border-radius: 999px;
	background: #b8cee5;
	box-shadow: 0 0 0 3px rgba(235, 242, 250, 0.95);
}

.engagement-stage:hover {
	transform: translateY(-1.5px);
	box-shadow: var(--elev-card-hover);
	border-color: #d2dce8;
}

.engagement-index {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.72rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: #5f7692;
	margin-bottom: 0.36rem;
}

.engagement-stage h3 {
	font-size: 1.06rem;
	margin-bottom: 0.36rem;
	letter-spacing: -0.015em;
}

.engagement-purpose {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.78rem;
	line-height: 1.45;
	letter-spacing: 0.01em;
	color: #2f4d6f;
	margin-bottom: 0.45rem;
}

.engagement-stage p {
	font-size: 0.88rem;
	line-height: 1.6;
	color: #3f5671;
}

.engagement-proof {
	border: 1px solid #d8e1eb;
	border-radius: var(--radius-lg);
	background: rgba(255, 255, 255, 0.86);
	padding: 1rem 1rem 0.92rem;
	box-shadow: var(--shadow-sm);
}

.engagement-proof-kicker {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.72rem;
	letter-spacing: 0.11em;
	text-transform: uppercase;
	color: #516985;
	margin-bottom: 0.42rem;
}

.engagement-proof ul {
	margin: 0;
	padding-left: 1rem;
	display: grid;
	gap: 0.56rem;
}

.engagement-proof li {
	font-size: 0.9rem;
	line-height: 1.6;
	color: #3a526c;
}

.final-cta {
	padding-top: calc(var(--space-xl) + 1rem);
	padding-bottom: calc(var(--space-2xl) + 0.8rem);
}

.final-cta-inner {
	text-align: center;
	border-top: 1px solid rgba(208, 220, 234, 0.72);
	border-bottom: 1px solid rgba(208, 220, 234, 0.62);
	background: linear-gradient(180deg, rgba(248, 251, 255, 0.62) 0%, rgba(248, 251, 255, 0.22) 100%);
	border-radius: 0;
	padding: clamp(2rem, 4.6vw, 3.3rem) 0.85rem;
	box-shadow: none;
	max-width: 900px;
	margin-inline: auto;
}

.final-cta-inner .section-kicker {
	margin-bottom: 0.62rem;
}

.final-cta-inner h2 {
	font-size: clamp(1.5rem, 2.9vw, 2.2rem);
	margin-bottom: 0.65rem;
	text-wrap: balance;
}

.final-cta-support {
	max-width: 60ch;
	margin: 0 auto 1.45rem;
	font-size: 1rem;
	line-height: 1.6;
	color: #3f5772;
}

.final-cta-inner .btn {
	min-width: 205px;
}

.final-cta-trust {
	margin: 0.74rem auto 0;
	max-width: 56ch;
	font-size: 0.8rem;
	line-height: 1.46;
	color: #607389;
	letter-spacing: 0;
}

.pill-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
}

.pill {
	border: 1px solid var(--border);
	border-radius: 999px;
	background: var(--surface);
	color: #34445a;
	font-size: 0.85rem;
	padding: 0.4rem 0.72rem;
}

.timeline {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 1rem;
}

.timeline-step {
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: var(--radius-md);
	padding: 1.1rem;
	box-shadow: var(--shadow-sm);
}

.timeline-step .step-no {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.76rem;
	color: var(--accent-strong);
	text-transform: uppercase;
	letter-spacing: 0.12em;
}

.cta-band {
	margin-top: var(--space-lg);
	border: 1px solid var(--border);
	background: var(--surface-elevated);
	border-radius: var(--radius-lg);
	padding: clamp(1.3rem, 2.4vw, 2rem);
	display: grid;
	gap: 1rem;
	align-items: center;
	grid-template-columns: 1fr auto;
	box-shadow: var(--shadow-sm);
}

.feature-list {
	display: grid;
	gap: 0.7rem;
	margin-top: 1rem;
}

.feature-item {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 0.7rem;
	align-items: start;
}

.feature-item strong {
	color: var(--heading);
}

.dot {
	width: 7px;
	height: 7px;
	border-radius: 100%;
	margin-top: 0.62rem;
	background: var(--accent);
}

.site-footer {
	margin-top: var(--space-2xl);
	border-top: 1px solid #d8e1ec;
	background: rgba(255, 255, 255, 0.82);
}

.site-footer-inner {
	padding: 1.9rem 0 1.25rem;
	display: grid;
	gap: 1rem;
	grid-template-columns: 1.3fr 1.2fr 1fr;
}

.footer-brand {
	display: grid;
	gap: 0.62rem;
}

.footer-positioning {
	font-size: 0.9rem;
	line-height: 1.52;
	color: #455b75;
}

.footer-nav-block,
.footer-contact {
	display: grid;
	align-content: start;
	gap: 0.5rem;
}

.footer-label {
	font-family: "IBM Plex Mono", "Consolas", monospace;
	font-size: 0.7rem;
	letter-spacing: 0.11em;
	text-transform: uppercase;
	color: #546b88;
	margin: 0;
}

.footer-links {
	display: grid;
	gap: 0.34rem;
	justify-items: start;
}

.footer-links a {
	color: #2d445f;
	text-decoration: none;
	font-size: 0.84rem;
	line-height: 1.45;
	letter-spacing: -0.005em;
	padding: 0;
	transition: color 0.18s ease, opacity 0.18s ease, text-decoration-color 0.18s ease;
}

.footer-links a:hover {
	color: #173a63;
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.16em;
}

.footer-meta {
	font-size: 0.84rem;
	color: #5a6b80;
	margin: 0;
}

.footer-social {
	margin: 0.2rem 0 0;
}

.footer-social a {
	font-size: 0.83rem;
	color: #2f527b;
	text-decoration: none;
}

.footer-social a:hover {
	text-decoration: underline;
	text-underline-offset: 0.14em;
}

.footer-bottom {
	padding: 0.8rem 0 1.25rem;
	border-top: 1px solid #e2e9f1;
	font-size: 0.78rem;
	color: #6a788b;
}

.contact-grid {
	display: grid;
	gap: 1rem;
	grid-template-columns: 1fr 1.3fr;
}

.contact-page-grid {
	display: grid;
	grid-template-columns: 0.96fr 1.24fr;
	gap: 1rem;
	align-items: start;
}

.consultation-panel,
.form-panel {
	border: 1px solid #d8e1eb;
	border-radius: var(--radius-lg);
	background: rgba(255, 255, 255, 0.9);
	box-shadow: var(--shadow-sm);
}

.consultation-panel {
	padding: 1.1rem 1.05rem 1rem;
	position: sticky;
	top: 6.3rem;
}

.consultation-panel h2,
.form-panel h2 {
	font-size: clamp(1.3rem, 2.2vw, 1.8rem);
	margin-bottom: 0.55rem;
}

.consultation-support {
	font-size: 0.98rem;
	line-height: 1.6;
	color: #405771;
}

.detail-stack {
	display: grid;
	gap: 0.72rem;
	margin-top: 1rem;
}

.detail-item {
	border: 1px solid #dfe7ef;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.82);
	padding: 0.82rem 0.86rem;
}

.detail-item strong {
	display: block;
	font-size: 0.96rem;
	color: var(--heading);
	margin-bottom: 0.32rem;
}

.detail-item p + p {
	margin-top: 0.22rem;
}

.consultation-cues {
	margin-top: 1.15rem;
	padding-top: 1.05rem;
	border-top: 1px solid #e3eaf2;
}

.consultation-cues.feature-list {
	gap: 0.86rem;
}

.consultation-cues .feature-item {
	gap: 0.62rem;
}

.consultation-cues .feature-item p {
	line-height: 1.58;
	color: #4d6179;
}

.consultation-cues .dot {
	margin-top: 0.56rem;
}

.form-panel {
	padding: 1.15rem 1.1rem 1.1rem;
}

.form-intro {
	max-width: 64ch;
	margin-bottom: 1rem;
}

.form-intro p:last-child {
	font-size: 0.95rem;
	line-height: 1.58;
	color: #4a607a;
}

.form-help {
	font-size: 0.82rem;
	line-height: 1.5;
	color: #5a6c82;
	max-width: 42ch;
}

.form-actions-row {
	display: grid;
	justify-items: start;
	gap: 0.5rem;
	margin-top: 0.72rem;
	padding-top: 0.12rem;
}

.form-actions-row .btn {
	align-self: start;
}

.form-status {
	margin-top: 0.9rem;
	padding: 0.84rem 0.9rem;
	border-radius: var(--radius-md);
	font-size: 0.9rem;
	line-height: 1.5;
	border: 1px solid #d6e1ee;
	background: #f7faff;
	color: #325170;
}

.form-status[hidden] {
	display: none;
}

.form-status.success {
	border-color: #cfe3d6;
	background: #f3fbf6;
	color: #28553a;
}

.form-status.error {
	border-color: #e6d4d8;
	background: #fff7f8;
	color: #7a3140;
}

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

.form {
	display: grid;
	gap: 0.8rem;
}

.form label {
	font-size: 0.88rem;
	color: #304157;
}

.form input,
.form textarea,
.form select {
	width: 100%;
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 0.75rem 0.85rem;
	background: var(--surface);
	font: inherit;
	color: var(--text);
	min-height: 48px;
	transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.form textarea {
	min-height: 138px;
	resize: vertical;
}

.form input::placeholder,
.form textarea::placeholder {
	color: #7a8899;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
	outline: 2px solid rgba(19, 104, 214, 0.23);
	border-color: rgba(19, 104, 214, 0.62);
	background: #fff;
}

.split {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.reveal {
	opacity: 0;
	transform: translateY(10px);
	transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in-view {
	opacity: 1;
	transform: translateY(0);
}

@media (max-width: 1024px) {
	.hero-grid,
	.hero-shell,
	.site-footer-inner,
	.contact-grid,
	.contact-page-grid {
		grid-template-columns: 1fr;
	}

	.consultation-panel {
		position: static;
	}

	.footer-nav-block,
	.footer-contact {
		gap: 0.35rem;
	}

	.hero-lead h1 {
		max-width: 16ch;
	}

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

	.problem-bridge-inner {
		grid-template-columns: 1fr;
	}

	.problem-bridge-lead h2,
	.problem-bridge-lead p {
		max-width: 100%;
	}

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

	.grid.cols-4 {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.services-grid {
		grid-template-columns: 1fr;
	}

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

	.why-aptelic-layout {
		grid-template-columns: 1fr;
	}

	.why-support-list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.engagement-layout {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 840px) {
	h1 {
		font-size: clamp(1.9rem, 8.1vw, 2.6rem);
		line-height: 1.14;
	}

	h2 {
		font-size: clamp(1.34rem, 6.1vw, 1.95rem);
		line-height: 1.18;
	}

	h3 {
		font-size: clamp(1.04rem, 4.6vw, 1.3rem);
		line-height: 1.24;
	}

	p {
		line-height: 1.74;
	}

	.section-head {
		margin-bottom: 1.1rem;
	}

	.section-head > p:not(.section-kicker) {
		margin-top: 0.76rem;
		max-width: 48ch;
	}

	.section-head h2 + p {
		margin-top: 0.78rem;
	}

	.hero p,
	.hero-subheadline,
	.problem-bridge-lead p {
		max-width: 48ch;
	}

	.hero-actions {
		margin-top: 1.58rem;
	}

	.container {
		width: min(var(--container), calc(100% - 1.4rem));
	}

	.site-header-inner {
		min-height: 60px;
		gap: 0.72rem;
	}

	.menu-toggle {
		display: inline-flex;
		font-size: 0.72rem;
		letter-spacing: 0.04em;
	}

	.site-header {
		backdrop-filter: none;
		background: rgba(244, 246, 248, 0.97);
	}

	.site-nav {
		position: absolute;
		left: 0.7rem;
		right: 0.7rem;
		top: 64px;
		display: flex;
		flex-direction: column;
		align-items: stretch;
		gap: 0.4rem;
		padding: 0.8rem;
		border: 1px solid var(--border);
		border-radius: 14px;
		background: rgba(255, 255, 255, 0.97);
		box-shadow: var(--shadow-md);
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		transform: translateY(-8px) scale(0.985);
		transform-origin: top center;
		transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
	}

	.site-nav.open {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		transform: translateY(0) scale(1);
	}

	.site-nav a,
	.site-nav .btn {
		width: 100%;
	}

	.site-nav .btn-primary {
		margin-left: 0;
	}

	.brand {
		font-size: 1.2rem;
	}

	.brand-lockup {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.08rem;
	}

	.brand-tagline {
		margin-left: 0;
		padding-left: 0;
		border-left: 0;
		font-size: 0.54rem;
		letter-spacing: 0.08em;
		color: #62768d;
		white-space: normal;
	}

	.grid.cols-3,
	.grid.cols-2,
	.timeline,
	.split {
		grid-template-columns: 1fr;
	}

	.form-actions-row {
		align-items: flex-start;
	}

	.hero-subheadline {
		max-width: 100%;
	}

	.trust-strip-head {
		flex-direction: column;
		align-items: flex-start;
	}

	.trust-strip-grid {
		grid-template-columns: 1fr;
	}

	.use-cases-grid {
		grid-template-columns: 1fr;
	}

	.why-aptelic-primary {
		grid-template-columns: 1fr;
	}

	.why-pillar-wide {
		grid-column: auto;
	}

	.why-support-list {
		grid-template-columns: 1fr;
	}

	.engagement-grid {
		grid-template-columns: 1fr;
	}

	.engagement-grid {
		padding-left: 0.5rem;
	}

	.engagement-grid::before {
		left: 0.2rem;
	}

	.engagement-stage {
		margin-left: 0.35rem;
	}

	.engagement-stage::before {
		left: -0.82rem;
	}

	.cta-band {
		grid-template-columns: 1fr;
	}

	body[data-nav-section="home"] main > section {
		border-radius: 16px;
	}

	body[data-nav-section="home"] main > section + section {
		margin-top: 1.08rem;
	}
}

@media (max-width: 560px) {
	h1 {
		font-size: clamp(1.68rem, 8.6vw, 2.05rem);
		line-height: 1.16;
		text-wrap: balance;
	}

	h2 {
		font-size: clamp(1.24rem, 6.6vw, 1.62rem);
		line-height: 1.2;
		text-wrap: balance;
	}

	h3 {
		font-size: clamp(1rem, 4.8vw, 1.22rem);
		line-height: 1.26;
	}

	p {
		line-height: 1.76;
	}

	.section-head {
		margin-bottom: 0.9rem;
	}

	.section-kicker {
		margin-bottom: 0.58rem;
	}

	.section-head > p:not(.section-kicker) {
		margin-top: 0.66rem;
		max-width: 40ch;
	}

	.section-head h2 + p {
		margin-top: 0.68rem;
	}

	.hero p,
	.hero-subheadline,
	.problem-bridge-lead p,
	.trust-strip-head p {
		max-width: 40ch;
	}

	.hero-subheadline {
		margin-top: 1.08rem;
	}

	.hero-actions {
		margin-top: 1.28rem;
	}

	.section {
		padding: 4.2rem 0;
	}

	.hero {
		padding: 2.8rem 0 3.2rem;
	}

	.hero-actions .btn,
	.final-cta-inner .btn {
		width: 100%;
	}

	.hero-proof,
	.trust-strip-inner,
	.problem-bridge-inner,
	.consultation-panel,
	.form-panel,
	.final-cta-inner {
		padding-inline: 0.95rem;
	}

	body[data-nav-section="home"] main > section {
		border-radius: 12px;
	}

	body[data-nav-section="home"] main > section + section {
		margin-top: 0.88rem;
	}
}

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

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}

	.reveal {
		opacity: 1;
		transform: none;
	}
}