/* ============================================================
   BLOCK 1 — ALL CSS USES LIGHT TOKEN VALUES
   Dark overrides are ONLY in Block 2 at end of <style>.
   ============================================================ */
			:root {
				--white: #ffffff;
				--off-white: #f8f9fa;
				--black: #0a0a0a;
				--ink: #0f1117;
				--mid: #6b6b6b;
				--light: #e8e6e1;
				--teal: #087a6b;
				--teal-light: #e3f3f0;
				--teal-mid: #065e52;
				--font: 'Plus Jakarta Sans', sans-serif;
				--mono: 'IBM Plex Mono', monospace;
				--dark-bg: #0d0d0d;
				--dark-border: rgba(255, 255, 255, 0.07);
				--dark-surface: #141414;
			}
			/* SKIP LINK */
			.skip-link {
				position: absolute;
				top: -100%;
				left: 0;
				background: var(--teal);
				color: var(--white);
				padding: 8px 16px;
				font-size: 14px;
				font-weight: 600;
				z-index: 200;
				text-decoration: none;
				border-radius: 0 0 4px 0;
			}
			.skip-link:focus {
				top: 0;
			}

			/* FOCUS */
			a:focus-visible,
			button:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 3px;
				border-radius: 2px;
			}


			/* NAV */
			.nav-logo-img {
				height: 26px;
				width: auto;
				display: block;
			}
			.nav-links {
				display: flex;
				gap: 36px;
				list-style: none;
			}
			.nav-links a:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 3px;
				border-radius: 2px;
			}
			.nav-right {
				display: flex;
				gap: 12px;
				align-items: center;
			}
			.btn-coming-soon-dot {
				width: 6px;
				height: 6px;
				border-radius: 50%;
				background: var(--teal);
				opacity: 0.5;
				flex-shrink: 0;
			}
			.btn-nav-solid {
				font-size: 14px;
				font-weight: 700;
				color: var(--white);
				background: var(--teal);
				text-decoration: none;
				padding: 9px 22px;
				border-radius: 100px;
				transition: background 0.18s;
				white-space: nowrap;
			}
			.btn-nav-solid:hover {
				background: var(--teal-mid);
			}
			.btn-nav-solid:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 2px;
				border-radius: 100px;
			}
			.btn-nav-signin:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 3px;
				border-radius: 4px;
			}
			.btn-nav-outline:hover {
				background: var(--teal);
				color: var(--white);
			}
			.btn-nav-outline:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 2px;
			}

			/* BREADCRUMB */
			.breadcrumb a:hover {
				text-decoration: underline;
			}
			/* HERO */
			.hero {
				padding: 32px 48px 100px;
				max-width: 1100px;
				margin: 0 auto;
			}
			.hero-label::before {
				content: '';
				width: 6px;
				height: 6px;
				background: var(--teal);
				border-radius: 50%;
				flex-shrink: 0;
			}
			.hero-h1 {
				font-size: clamp(48px, 6vw, 80px);
				font-weight: 800;
				line-height: 1;
				letter-spacing: -0.04em;
				color: var(--black);
				margin-bottom: 32px;
				max-width: 820px;
				opacity: 0;
				animation: fadeUp 0.8s ease 0.2s forwards;
			}
			.hero-sub {
				font-size: 20px;
				line-height: 1.7;
				color: var(--mid);
				margin-bottom: 56px;
				max-width: 600px;
			}

			/* SECTION TYPOGRAPHY */
			.section-tag {
				font-family: var(--mono);
				font-size: 11px;
				letter-spacing: 0.14em;
				text-transform: uppercase;
				color: var(--teal);
				margin-bottom: 20px;
			}
			.section-h2 {
				font-size: clamp(32px, 3.5vw, 48px);
				font-weight: 800;
				line-height: 1.08;
				letter-spacing: -0.03em;
				color: var(--black);
				margin-bottom: 16px;
			}
			.section-sub {
				font-size: 17px;
				color: var(--mid);
				line-height: 1.7;
			}

			/* VIDEO SECTION */
			.video-section {
				padding: 0 48px 100px;
				max-width: 1100px;
				margin: 0 auto;
			}
			.video-outer {
				display: grid;
				grid-template-columns: 1fr 380px;
				gap: 40px;
				align-items: start;
			}
			.video-player {
				position: relative;
				border-radius: 16px;
				overflow: hidden;
				background: #111;
				border: 1px solid var(--light);
				aspect-ratio: 16/9;
				cursor: pointer;
			}
			.video-thumb-placeholder {
				width: 100%;
				height: 100%;
				background: linear-gradient(135deg, #161616 0%, #0f1f1e 100%);
				display: flex;
				align-items: center;
				justify-content: center;
				position: absolute;
				inset: 0;
			}
			.video-thumb-pattern {
				position: absolute;
				inset: 0;
				opacity: 0.04;
				background-image:
					repeating-linear-gradient(
						0deg,
						transparent,
						transparent 39px,
						rgba(255, 255, 255, 0.5) 39px,
						rgba(255, 255, 255, 0.5) 40px
					),
					repeating-linear-gradient(
						90deg,
						transparent,
						transparent 39px,
						rgba(255, 255, 255, 0.5) 39px,
						rgba(255, 255, 255, 0.5) 40px
					);
			}
			.video-play {
				position: absolute;
				top: 50%;
				left: 50%;
				transform: translate(-50%, -50%);
				z-index: 2;
				width: 72px;
				height: 72px;
				background: var(--teal);
				border-radius: 50%;
				display: flex;
				align-items: center;
				justify-content: center;
				transition:
					transform 0.2s,
					background 0.2s;
				box-shadow: 0 0 0 12px rgba(8, 122, 107, 0.15);
			}
			.video-player:hover .video-play {
				transform: translate(-50%, -50%) scale(1.08);
				background: var(--teal-mid);
			}
			.video-play svg {
				width: 24px;
				height: 24px;
				fill: #fff;
				margin-left: 4px;
			}
			.video-caption {
				position: absolute;
				bottom: 0;
				left: 0;
				right: 0;
				padding: 24px 28px;
				background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
				z-index: 2;
			}
			.video-caption-name {
				font-size: 16px;
				font-weight: 700;
				color: #fff;
				letter-spacing: -0.01em;
			}
			.video-caption-title {
				font-family: var(--mono);
				font-size: 11px;
				color: rgba(255, 255, 255, 0.5);
				letter-spacing: 0.08em;
				margin-top: 3px;
			}
			.video-duration {
				position: absolute;
				top: 16px;
				right: 16px;
				font-family: var(--mono);
				font-size: 11px;
				color: rgba(255, 255, 255, 0.6);
				background: rgba(0, 0, 0, 0.5);
				padding: 4px 10px;
				border-radius: 4px;
				z-index: 2;
			}
			.video-sidebar {
				display: flex;
				flex-direction: column;
				gap: 14px;
			}
			.video-sidebar-title {
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.14em;
				text-transform: uppercase;
				color: var(--mid);
				margin-bottom: 4px;
			}
			.video-stat {
				background: var(--off-white);
				border: 1px solid var(--light);
				border-radius: 12px;
				padding: 22px 20px;
			}
			.video-stat-num {
				font-size: 32px;
				font-weight: 700;
				letter-spacing: -0.03em;
				color: var(--black);
				line-height: 1;
				margin-bottom: 6px;
			}
			.video-stat-num span {
				color: var(--teal);
			}
			.video-stat-label {
				font-size: 13px;
				color: var(--mid);
				line-height: 1.5;
			}
			.video-quote {
				background: var(--teal-light);
				border: 1px solid rgba(8, 122, 107, 0.2);
				border-radius: 12px;
				padding: 22px 20px;
			}
			.video-quote-text {
				font-size: 14px;
				line-height: 1.65;
				color: var(--ink);
				font-style: italic;
				margin-bottom: 10px;
			}
			.video-quote-attr {
				font-family: var(--mono);
				font-size: 10px;
				color: var(--teal);
				letter-spacing: 0.1em;
				text-transform: uppercase;
			}

			/* COMPARE CARD */
			.compare-card {
				display: block;
				border-radius: 16px;
				overflow: hidden;
				background: linear-gradient(135deg, #0f1f1e 0%, #111 100%);
				border: 1px solid rgba(8, 122, 107, 0.25);
				text-decoration: none;
				transition:
					border-color 0.25s,
					box-shadow 0.25s,
					transform 0.2s;
				cursor: pointer;
			}
			.compare-card:hover {
				border-color: var(--teal);
				box-shadow: 0 0 40px rgba(8, 122, 107, 0.15);
				transform: translateY(-3px);
			}
			.compare-card:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 3px;
			}
			.compare-card-inner {
				padding: 48px 40px;
				display: flex;
				align-items: flex-start;
				gap: 28px;
			}
			.compare-card-icon {
				width: 56px;
				height: 56px;
				border: 1px solid rgba(8, 122, 107, 0.3);
				border-radius: 14px;
				display: flex;
				align-items: center;
				justify-content: center;
				flex-shrink: 0;
				background: rgba(8, 122, 107, 0.06);
			}
			.compare-card-icon svg {
				width: 26px;
				height: 26px;
				color: var(--teal);
			}
			.compare-card-tag {
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.12em;
				text-transform: uppercase;
				color: var(--teal);
				margin-bottom: 10px;
			}
			.compare-card-title {
				font-size: clamp(24px, 3vw, 36px);
				font-weight: 800;
				letter-spacing: -0.03em;
				color: #fff;
				margin-bottom: 12px;
				line-height: 1.1;
			}
			.compare-card-body {
				font-size: 15px;
				line-height: 1.7;
				color: rgba(255, 255, 255, 0.5);
				margin-bottom: 20px;
				max-width: 480px;
			}
			.compare-card-link {
				font-size: 14px;
				font-weight: 700;
				color: var(--teal);
				display: inline-flex;
				align-items: center;
				gap: 6px;
				transition: gap 0.2s;
			}
			.compare-card:hover .compare-card-link {
				gap: 10px;
			}

			/* CTA CHRIS */
			.cta-chris {
				display: flex;
				flex-direction: column;
				align-items: center;
				gap: 20px;
				margin-bottom: 32px;
			}
			.cta-chris-photo {
				width: 88px;
				height: 88px;
				border-radius: 50%;
				object-fit: cover;
				border: 3px solid rgba(8, 122, 107, 0.3);
				box-shadow: 0 0 24px rgba(8, 122, 107, 0.1);
			}
			.cta-chris-info {
				text-align: center;
			}
			.cta-chris-name {
				font-size: 16px;
				font-weight: 700;
				color: var(--black);
				margin-bottom: 2px;
			}
			.cta-chris-title {
				font-family: var(--mono);
				font-size: 11px;
				color: var(--mid);
				letter-spacing: 0.06em;
			}
			.cta-linkedin {
				display: inline-flex;
				align-items: center;
				gap: 7px;
				font-size: 13px;
				font-weight: 600;
				color: var(--teal);
				text-decoration: none;
				padding: 8px 18px;
				border: 1.5px solid rgba(8, 122, 107, 0.3);
				border-radius: 100px;
				transition:
					border-color 0.2s,
					background 0.2s;
				margin-top: 8px;
			}
			.cta-linkedin:hover {
				border-color: var(--teal);
				background: var(--teal-light);
			}
			.cta-linkedin svg {
				width: 16px;
				height: 16px;
				fill: var(--teal);
			}

			/* ARCH DIVIDER */
			.arch-section-divider {
				height: 1px;
				background: var(--light);
				max-width: 1100px;
				margin: 0 auto;
			}

			/* INTERACTIVE ARCHITECTURE */
			.arch-section {
				padding: 80px 48px 120px;
				max-width: 1100px;
				margin: 0 auto;
			}
			.arch-header {
				margin-bottom: 56px;
				max-width: 640px;
			}
			.arch-container {
				display: grid;
				grid-template-columns: 340px 1fr;
				gap: 24px;
				align-items: start;
			}
			.arch-diagram {
				display: flex;
				flex-direction: column;
				gap: 6px;
				position: sticky;
				top: 88px;
			}
			.arch-layer {
				border: 1px solid var(--light);
				border-radius: 10px;
				overflow: hidden;
				cursor: pointer;
				transition:
					border-color 0.2s,
					transform 0.15s;
			}
			.arch-layer:hover {
				border-color: rgba(8, 122, 107, 0.4);
				transform: translateX(3px);
			}
			.arch-layer.active {
				border-color: var(--teal);
				transform: translateX(6px);
			}
			.arch-layer:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 2px;
			}
			.arch-layer-inner {
				display: flex;
				align-items: center;
				gap: 14px;
				padding: 14px 18px;
			}
			.arch-layer-dot {
				width: 8px;
				height: 8px;
				border-radius: 50%;
				background: var(--light);
				flex-shrink: 0;
				transition: background 0.2s;
			}
			.arch-layer.active .arch-layer-dot {
				background: var(--teal);
				box-shadow: 0 0 8px rgba(8, 122, 107, 0.4);
			}
			.arch-layer-label {
				flex: 1;
			}
			.arch-layer-num {
				font-family: var(--mono);
				font-size: 9px;
				letter-spacing: 0.12em;
				color: var(--mid);
				text-transform: uppercase;
				margin-bottom: 2px;
			}
			.arch-layer-name {
				font-size: 13px;
				font-weight: 700;
				color: var(--mid);
				transition: color 0.2s;
			}
			.arch-layer.active .arch-layer-name {
				color: var(--ink);
			}
			.arch-layer-tech {
				font-family: var(--mono);
				font-size: 10px;
				color: var(--light);
				margin-top: 2px;
			}
			.arch-layer.active .arch-layer-tech {
				color: var(--teal);
			}
			.arch-layer-arrow {
				font-size: 12px;
				color: var(--light);
				transition: color 0.2s;
			}
			.arch-layer.active .arch-layer-arrow {
				color: var(--teal);
			}
			.arch-connector {
				display: flex;
				align-items: center;
				justify-content: center;
				height: 20px;
			}
			.arch-connector-line {
				width: 1px;
				height: 100%;
				background: var(--light);
			}
			.arch-detail {
				background: var(--off-white);
				border: 1px solid var(--light);
				border-radius: 16px;
				padding: 48px 44px;
				min-height: 400px;
			}
			.arch-detail-panel {
				display: none;
			}
			.arch-detail-panel.active {
				display: block;
			}
			.arch-detail-eyebrow {
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.14em;
				text-transform: uppercase;
				color: var(--teal);
				margin-bottom: 16px;
			}
			.arch-detail-title {
				font-size: clamp(22px, 2.5vw, 32px);
				font-weight: 700;
				letter-spacing: -0.03em;
				color: var(--black);
				line-height: 1.15;
				margin-bottom: 20px;
			}
			.arch-detail-body {
				font-size: 16px;
				color: var(--mid);
				line-height: 1.75;
				margin-bottom: 32px;
			}
			.arch-tech-stack {
				margin-bottom: 32px;
			}
			.arch-tech-label {
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.12em;
				text-transform: uppercase;
				color: var(--mid);
				margin-bottom: 12px;
			}
			.arch-tech-tags {
				display: flex;
				flex-wrap: wrap;
				gap: 8px;
			}
			.arch-tech-tag {
				font-family: var(--mono);
				font-size: 11px;
				color: var(--mid);
				background: var(--white);
				border: 1px solid var(--light);
				padding: 4px 12px;
				border-radius: 4px;
			}
			.arch-tech-tag.teal {
				color: var(--teal);
				background: var(--teal-light);
				border-color: rgba(8, 122, 107, 0.2);
			}
			.arch-tech-tag.neutral {
				color: var(--light);
			}
			.arch-decisions {
				display: flex;
				flex-direction: column;
				gap: 16px;
			}
			.arch-decision {
				display: flex;
				align-items: flex-start;
				gap: 12px;
			}
			.arch-decision-bullet {
				width: 5px;
				height: 5px;
				border-radius: 50%;
				background: var(--teal);
				flex-shrink: 0;
				margin-top: 7px;
			}
			.arch-decision-text {
				font-size: 14px;
				color: var(--mid);
				line-height: 1.65;
			}
			.arch-decision-text strong {
				color: var(--ink);
				font-weight: 600;
			}

			/* PRINCIPLES */
			.principles {
				padding: 80px 48px;
				border-top: 1px solid var(--light);
				max-width: 1100px;
				margin: 0 auto;
			}
			.principles-header {
				margin-bottom: 64px;
				max-width: 600px;
			}
			.principles-grid {
				display: grid;
				grid-template-columns: repeat(4, 1fr);
				gap: 1px;
				background: var(--light);
				border: 1px solid var(--light);
				border-radius: 14px;
				overflow: hidden;
			}
			.principle-card {
				background: var(--white);
				padding: 40px 28px;
				transition: background 0.2s;
				scroll-margin-top: 88px;
			}
			.principle-card:hover {
				background: var(--off-white);
			}
			.principle-card:target {
				box-shadow:
					inset 3px 0 0 var(--teal),
					0 0 0 1px rgba(8, 122, 107, 0.35);
			}
			.principle-icon {
				width: 44px;
				height: 44px;
				border: 1px solid var(--light);
				border-radius: 10px;
				display: flex;
				align-items: center;
				justify-content: center;
				margin-bottom: 24px;
			}
			.principle-icon svg {
				width: 20px;
				height: 20px;
				stroke: var(--teal);
				fill: none;
				stroke-width: 1.75;
			}
			.principle-word {
				font-size: 20px;
				font-weight: 700;
				letter-spacing: -0.02em;
				color: var(--black);
				margin-bottom: 10px;
			}
			.principle-body {
				font-size: 14px;
				color: var(--mid);
				line-height: 1.7;
			}
			.principle-decision {
				margin-top: 16px;
				padding-top: 16px;
				border-top: 1px solid var(--light);
				font-family: var(--mono);
				font-size: 11px;
				color: var(--teal);
				line-height: 1.55;
			}

			/* QUERY ENGINES */
			.engines {
				padding: 100px 48px;
				border-top: 1px solid var(--light);
				max-width: 1100px;
				margin: 0 auto;
			}
			.engines-header {
				margin-bottom: 64px;
				max-width: 680px;
			}
			.engines-grid {
				display: grid;
				grid-template-columns: repeat(3, 1fr);
				gap: 16px;
				margin-bottom: 48px;
			}
			.engine-card {
				background: var(--off-white);
				border: 1px solid var(--light);
				border-radius: 14px;
				padding: 40px 32px;
				transition:
					border-color 0.2s,
					transform 0.2s;
			}
			.engine-card:hover {
				border-color: rgba(8, 122, 107, 0.4);
				transform: translateY(-3px);
			}
			.engine-card-icon {
				width: 48px;
				height: 48px;
				border: 1px solid var(--light);
				border-radius: 12px;
				display: flex;
				align-items: center;
				justify-content: center;
				margin-bottom: 24px;
			}
			.engine-card-icon svg {
				width: 22px;
				height: 22px;
				stroke: var(--teal);
				fill: none;
				stroke-width: 1.75;
			}
			.engine-card-name {
				font-size: 22px;
				font-weight: 700;
				letter-spacing: -0.02em;
				color: var(--black);
				margin-bottom: 6px;
			}
			.engine-card-role {
				font-family: var(--mono);
				font-size: 11px;
				letter-spacing: 0.1em;
				text-transform: uppercase;
				color: var(--teal);
				margin-bottom: 16px;
			}
			.engine-card-body {
				font-size: 14px;
				color: var(--mid);
				line-height: 1.7;
				margin-bottom: 24px;
			}
			.engine-card-tags {
				display: flex;
				flex-wrap: wrap;
				gap: 6px;
				margin-bottom: 24px;
			}
			.engine-card-tag {
				font-family: var(--mono);
				font-size: 10px;
				color: var(--mid);
				background: var(--white);
				border: 1px solid var(--light);
				padding: 3px 10px;
				border-radius: 4px;
			}
			.engine-card-tag.teal {
				color: var(--teal);
				background: var(--teal-light);
				border-color: rgba(8, 122, 107, 0.2);
			}
			.engine-card-when {
				border-top: 1px solid var(--light);
				padding-top: 20px;
			}
			.engine-card-when-label {
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.12em;
				text-transform: uppercase;
				color: var(--mid);
				margin-bottom: 8px;
			}
			.engine-card-when-text {
				font-size: 13px;
				color: var(--mid);
				line-height: 1.6;
			}
			.engine-card-when-text strong {
				color: var(--ink);
				font-weight: 600;
			}
			.engines-iceberg {
				background: var(--off-white);
				border: 1px solid var(--light);
				border-radius: 12px;
				padding: 28px 32px;
				display: flex;
				align-items: flex-start;
				gap: 16px;
			}
			.engines-iceberg-icon {
				width: 40px;
				height: 40px;
				border: 1px solid rgba(8, 122, 107, 0.2);
				border-radius: 10px;
				display: flex;
				align-items: center;
				justify-content: center;
				flex-shrink: 0;
				background: var(--teal-light);
			}
			.engines-iceberg-icon svg {
				width: 18px;
				height: 18px;
				stroke: var(--teal);
				fill: none;
				stroke-width: 1.75;
			}
			.engines-iceberg-title {
				font-size: 15px;
				font-weight: 700;
				color: var(--black);
				margin-bottom: 4px;
			}
			.engines-iceberg-body {
				font-size: 14px;
				color: var(--mid);
				line-height: 1.65;
			}
			@media (max-width: 1100px) {
				.engines {
					padding: 60px 24px;
				}
				.engines-grid {
					grid-template-columns: 1fr;
				}
				.engines-iceberg {
					flex-direction: column;
					gap: 12px;
				}
			}

			/* USE CASES */
			.use-cases {
				padding: 100px 48px;
				border-top: 1px solid var(--light);
				max-width: 1100px;
				margin: 0 auto;
			}
			.use-cases-header {
				margin-bottom: 56px;
				max-width: 600px;
			}
			.use-cases-grid {
				display: grid;
				grid-template-columns: repeat(2, 1fr);
				gap: 16px;
			}
			.use-case-card {
				background: var(--off-white);
				border: 1px solid var(--light);
				border-radius: 14px;
				padding: 40px 36px;
				text-decoration: none;
				transition:
					border-color 0.2s,
					transform 0.2s;
				display: flex;
				flex-direction: column;
			}
			.use-case-card:hover {
				border-color: rgba(8, 122, 107, 0.4);
				transform: translateY(-3px);
			}
			.use-case-card:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 2px;
				border-radius: 14px;
			}
			.use-case-num {
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.14em;
				color: var(--mid);
				margin-bottom: 20px;
				text-transform: uppercase;
			}
			.use-case-tag {
				display: inline-flex;
				font-family: var(--mono);
				font-size: 10px;
				letter-spacing: 0.1em;
				text-transform: uppercase;
				color: var(--teal);
				background: var(--teal-light);
				border: 1px solid rgba(8, 122, 107, 0.2);
				padding: 4px 10px;
				border-radius: 4px;
				margin-bottom: 16px;
			}
			.use-case-title {
				font-size: 22px;
				font-weight: 700;
				letter-spacing: -0.02em;
				color: var(--black);
				line-height: 1.2;
				margin-bottom: 14px;
			}
			.use-case-body {
				font-size: 14px;
				color: var(--mid);
				line-height: 1.7;
				margin-bottom: 28px;
				flex: 1;
			}
			.use-case-stack {
				display: flex;
				flex-wrap: wrap;
				gap: 6px;
				margin-bottom: 28px;
			}
			.use-case-stack-tag {
				font-family: var(--mono);
				font-size: 10px;
				color: var(--mid);
				background: var(--white);
				border: 1px solid var(--light);
				padding: 3px 10px;
				border-radius: 4px;
			}
			.use-case-link {
				font-size: 14px;
				font-weight: 700;
				color: var(--teal);
				display: flex;
				align-items: center;
				gap: 6px;
				transition: gap 0.2s;
			}
			.use-case-card:hover .use-case-link {
				gap: 10px;
			}

			/* CTA */
			.cta {
				padding: 140px 48px;
				text-align: center;
				position: relative;
				overflow: hidden;
				border-top: 1px solid var(--light);
			}
			.cta::before {
				content: '';
				position: absolute;
				top: 0;
				left: 50%;
				transform: translateX(-50%);
				width: 900px;
				height: 600px;
				background: radial-gradient(
					ellipse at 50% 40%,
					rgba(8, 122, 107, 0.06) 0%,
					transparent 65%
				);
				pointer-events: none;
			}
			.cta-inner {
				position: relative;
				z-index: 1;
			}
			.cta-tag {
				font-family: var(--mono);
				font-size: 11px;
				letter-spacing: 0.14em;
				text-transform: uppercase;
				color: var(--teal);
				margin-bottom: 28px;
				display: flex;
				justify-content: center;
			}
			.cta-h2 {
				font-size: clamp(48px, 6vw, 88px);
				font-weight: 800;
				line-height: 1;
				letter-spacing: -0.04em;
				color: var(--black);
				max-width: 860px;
				margin: 0 auto 48px;
			}
			.cta-actions {
				display: flex;
				gap: 14px;
				justify-content: center;
				margin-bottom: 20px;
				flex-wrap: wrap;
			}
			.cta-note {
				font-size: 14px;
				color: var(--mid);
			}
			.cta-calendly {
				max-width: 700px;
				margin: 40px auto 0;
			}
			.btn-primary:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 3px;
				border-radius: 100px;
			}
			.btn-ghost {
				font-size: 15px;
				font-weight: 600;
				color: var(--ink);
				text-decoration: none;
				padding: 14px 32px;
				border-radius: 100px;
				border: 1.5px solid var(--light);
				transition:
					border-color 0.18s,
					transform 0.12s;
			}
			.btn-ghost:hover {
				border-color: #aaa;
				transform: translateY(-2px);
			}
			.btn-ghost:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 3px;
				border-radius: 100px;
			}

			/* FOOTER */
			.footer-logo-img {
				height: 18px;
				width: auto;
				display: block;
			}
			.footer-links {
				display: flex;
				gap: 24px;
				list-style: none;
				flex-wrap: wrap;
			}
			.footer-links a:focus-visible {
				outline: 2px solid var(--teal);
				outline-offset: 2px;
				border-radius: 2px;
			}
			/* MOBILE */
			@media (min-width: 1101px) {
				.nav-hamburger,
				.nav-drawer,
				.nav-overlay {
					display: none !important;
				}
			}
			@media (max-width: 1100px) {
				.nav-links,
				.nav-right {
					display: none;
				}
				.hero {
					padding: 32px 24px 80px;
				}
				.video-section {
					padding: 0 24px 60px;
				}
				.video-outer {
					grid-template-columns: 1fr;
				}
				.compare-card-inner {
					padding: 32px 24px;
					flex-direction: column;
					gap: 16px;
				}
				.arch-section {
					padding: 60px 24px 80px;
				}
				.arch-container {
					grid-template-columns: 1fr;
				}
				.arch-diagram {
					position: static;
				}
				.principles {
					padding: 60px 24px;
				}
				.principles-grid {
					grid-template-columns: 1fr 1fr;
				}
				.use-cases {
					padding: 60px 24px;
				}
				.use-cases-grid {
					grid-template-columns: 1fr;
				}
				.cta {
					padding: 80px 24px;
				}
				.footer-links {
					justify-content: center;
				}
				.nav-hamburger {
					display: flex;
					flex-direction: column;
					justify-content: center;
					align-items: center;
					gap: 5px;
					width: 40px;
					height: 40px;
					background: none;
					border: none;
					cursor: pointer;
					padding: 0;
					border-radius: 6px;
					flex-shrink: 0;
				}
				.nav-hamburger[aria-expanded='true'] span:nth-child(1) {
					transform: translateY(7px) rotate(45deg);
				}
				.nav-hamburger[aria-expanded='true'] span:nth-child(2) {
					opacity: 0;
					transform: scaleX(0);
				}
				.nav-hamburger[aria-expanded='true'] span:nth-child(3) {
					transform: translateY(-7px) rotate(-45deg);
				}
				.nav-hamburger:focus-visible {
					outline: 2px solid var(--teal);
					outline-offset: 3px;
					border-radius: 6px;
				}
				.nav-drawer.is-open {
					display: block;
				}
				.nav-overlay {
					display: none;
					position: fixed;
					inset: 0;
					z-index: 98;
					background: rgba(0, 0, 0, 0.25);
				}
				.nav-overlay.is-open {
					display: block;
				}
				.drawer-link:focus-visible {
					outline: 2px solid var(--teal);
					outline-offset: -2px;
				}
				.drawer-actions {
					padding: 12px 24px 0;
					display: flex;
					flex-direction: column;
					gap: 10px;
				}
				.drawer-coming-soon-dot {
					width: 6px;
					height: 6px;
					border-radius: 50%;
					background: var(--teal);
					opacity: 0.5;
					flex-shrink: 0;
				}
				.drawer-demo {
					display: block;
					text-align: center;
					background: var(--teal);
					color: var(--white);
					font-size: 15px;
					font-weight: 700;
					border-radius: 100px;
					padding: 13px 24px;
					text-decoration: none;
					transition: background 0.18s;
				}
				.drawer-demo:hover {
					background: var(--teal-mid);
				}
				.drawer-demo:focus-visible {
					outline: 2px solid var(--teal);
					outline-offset: 3px;
					border-radius: 100px;
				}
				.drawer-signin {
					display: block;
					text-align: center;
					font-size: 14px;
					font-weight: 600;
					color: var(--mid);
					text-decoration: none;
					padding: 10px 16px;
					transition: color 0.18s;
				}
				.drawer-signin:hover {
					color: var(--ink);
				}
				.drawer-demo-outline {
					display: block;
					text-align: center;
					background: transparent;
					color: var(--teal);
					font-size: 15px;
					font-weight: 700;
					border: 1.5px solid var(--teal);
					border-radius: 100px;
					padding: 11px 24px;
					text-decoration: none;
					transition:
						background 0.18s,
						color 0.18s;
				}
				.drawer-demo-outline:hover {
					background: var(--teal);
					color: var(--white);
				}
			}
			@media (min-width: 961px) {
				.nav-hamburger,
				.nav-drawer,
				.nav-overlay {
					display: none !important;
				}
			}

			/* ============================================================
   BLOCK 2 — DARK PORTAL OVERRIDES
   Color/surface swaps only. No layout, no sizing, no spacing.
   ============================================================ */
			.hero-label {
				background: rgba(8, 122, 107, 0.1);
				border: 1px solid rgba(8, 122, 107, 0.2);
				opacity: 0;
				animation: fadeUp 0.7s ease 0.1s forwards;
			}
			.hero-h1 {
				color: rgba(255, 255, 255, 0.92);
				font-weight: 700;
				opacity: 0;
				animation: fadeUp 0.8s ease 0.2s forwards;
			}
			.hero-sub {
				color: rgba(255, 255, 255, 0.5);
			}
			.section-tag {
				color: var(--teal);
			}
			.section-h2 {
				color: rgba(255, 255, 255, 0.92);
				font-weight: 700;
			}
			.section-sub {
				color: rgba(255, 255, 255, 0.45);
			}
			.video-player {
				border-color: var(--dark-border);
			}
			.video-sidebar-title {
				color: rgba(255, 255, 255, 0.3);
			}
			.video-stat {
				background: var(--dark-surface);
				border-color: var(--dark-border);
			}
			.video-stat-num {
				color: rgba(255, 255, 255, 0.92);
			}
			.video-stat-label {
				color: rgba(255, 255, 255, 0.4);
			}
			.video-quote {
				background: rgba(8, 122, 107, 0.06);
				border-color: rgba(8, 122, 107, 0.15);
			}
			.video-quote-text {
				color: rgba(255, 255, 255, 0.6);
			}
			.cta-chris-name {
				color: rgba(255, 255, 255, 0.92);
			}
			.cta-chris-title {
				color: rgba(255, 255, 255, 0.4);
			}
			.cta-chris-photo {
				border-color: rgba(8, 122, 107, 0.4);
			}
			.cta-linkedin {
				color: var(--teal);
				border-color: rgba(8, 122, 107, 0.3);
			}
			.cta-linkedin:hover {
				background: rgba(8, 122, 107, 0.08);
			}
			.arch-section-divider {
				background: var(--dark-border);
			}
			.arch-layer {
				border-color: var(--dark-border);
			}
			.arch-layer:hover {
				border-color: rgba(8, 122, 107, 0.3);
			}
			.arch-layer-dot {
				background: rgba(255, 255, 255, 0.12);
			}
			.arch-layer-num {
				color: rgba(255, 255, 255, 0.25);
			}
			.arch-layer-name {
				color: rgba(255, 255, 255, 0.5);
			}
			.arch-layer.active .arch-layer-name {
				color: rgba(255, 255, 255, 0.92);
			}
			.arch-layer-tech {
				color: rgba(255, 255, 255, 0.2);
			}
			.arch-layer.active .arch-layer-tech {
				color: rgba(8, 122, 107, 0.7);
			}
			.arch-layer-arrow {
				color: rgba(255, 255, 255, 0.15);
			}
			.arch-connector-line {
				background: rgba(255, 255, 255, 0.06);
			}
			.arch-detail {
				background: var(--dark-surface);
				border-color: var(--dark-border);
			}
			.arch-detail-title {
				color: rgba(255, 255, 255, 0.92);
			}
			.arch-detail-body {
				color: rgba(255, 255, 255, 0.5);
			}
			.arch-tech-label {
				color: rgba(255, 255, 255, 0.3);
			}
			.arch-tech-tag {
				color: rgba(255, 255, 255, 0.5);
				background: rgba(255, 255, 255, 0.04);
				border-color: rgba(255, 255, 255, 0.08);
			}
			.arch-tech-tag.neutral {
				color: rgba(255, 255, 255, 0.25);
			}
			.arch-decision-text {
				color: rgba(255, 255, 255, 0.45);
			}
			.arch-decision-text strong {
				color: rgba(255, 255, 255, 0.75);
			}
			.principles {
				border-top-color: var(--dark-border);
			}
			.principles-grid {
				background: var(--dark-border);
				border-color: var(--dark-border);
			}
			.principle-card {
				background: var(--dark-bg);
			}
			.principle-card:hover {
				background: #111;
			}
			.principle-icon {
				border-color: var(--dark-border);
			}
			.principle-word {
				color: rgba(255, 255, 255, 0.92);
			}
			.principle-body {
				color: rgba(255, 255, 255, 0.4);
			}
			.principle-decision {
				border-top-color: var(--dark-border);
			}
			.engines {
				border-top-color: var(--dark-border);
			}
			.engine-card {
				background: var(--dark-surface);
				border-color: var(--dark-border);
			}
			.engine-card:hover {
				border-color: rgba(8, 122, 107, 0.35);
			}
			.engine-card-icon {
				border-color: var(--dark-border);
			}
			.engine-card-name {
				color: rgba(255, 255, 255, 0.92);
			}
			.engine-card-body {
				color: rgba(255, 255, 255, 0.45);
			}
			.engine-card-tag {
				color: rgba(255, 255, 255, 0.35);
				background: rgba(255, 255, 255, 0.04);
				border-color: rgba(255, 255, 255, 0.07);
			}
			.engine-card-tag.teal {
				color: var(--teal);
				background: rgba(8, 122, 107, 0.08);
				border-color: rgba(8, 122, 107, 0.15);
			}
			.engine-card-when {
				border-top-color: var(--dark-border);
			}
			.engine-card-when-text {
				color: rgba(255, 255, 255, 0.4);
			}
			.engine-card-when-text strong {
				color: rgba(255, 255, 255, 0.75);
			}
			.engines-iceberg {
				background: var(--dark-surface);
				border-color: var(--dark-border);
			}
			.engines-iceberg-icon {
				background: rgba(8, 122, 107, 0.08);
				border-color: rgba(8, 122, 107, 0.15);
			}
			.engines-iceberg-title {
				color: rgba(255, 255, 255, 0.92);
			}
			.engines-iceberg-body {
				color: rgba(255, 255, 255, 0.45);
			}
			.use-cases {
				border-top-color: var(--dark-border);
			}
			.use-case-card {
				background: var(--dark-surface);
				border-color: var(--dark-border);
			}
			.use-case-card:hover {
				border-color: rgba(8, 122, 107, 0.35);
			}
			.use-case-num {
				color: rgba(255, 255, 255, 0.2);
			}
			.use-case-tag {
				background: rgba(8, 122, 107, 0.08);
				border-color: rgba(8, 122, 107, 0.15);
			}
			.use-case-title {
				color: rgba(255, 255, 255, 0.92);
			}
			.use-case-body {
				color: rgba(255, 255, 255, 0.45);
			}
			.use-case-stack-tag {
				color: rgba(255, 255, 255, 0.35);
				background: rgba(255, 255, 255, 0.04);
				border-color: rgba(255, 255, 255, 0.07);
			}
			.cta {
				border-top-color: var(--dark-border);
			}
			.cta-h2 {
				color: rgba(255, 255, 255, 0.92);
				font-weight: 700;
			}
			.cta-note {
				color: rgba(255, 255, 255, 0.25);
			}
			.btn-ghost {
				color: rgba(255, 255, 255, 0.7);
				border-color: rgba(255, 255, 255, 0.12);
			}
			.btn-ghost:hover {
				border-color: rgba(255, 255, 255, 0.3);
				color: #fff;
				transform: none;
			}