:root {
			--site-bg: #0c1718;
			--site-surface: #182324;
			--site-text: #d8f5f8;
			--site-muted: #9bb7ba;
			--site-border: #303c3d;
			--site-primary: #67c9d2;
			--site-on-primary: #000000;
			--site-secondary: #113437;
			--site-on-secondary: #ffffff;
			--site-accent: #6dccb1;
			--site-on-accent: #000000;
			--site-primary-text: #67c9d2;
			--site-secondary-text: #6a8e91;
			--site-accent-text: #6dccb1;
			--site-indicator: #67c9d2;
			--site-tonal-bg: #000e10;
			--site-tonal-surface: #00262a;
			--site-tonal-panel: #024c52;
			--site-category-0: #0e2b2e;
			--site-category-1: #064045;
			--site-on-tonal-panel: #ffffff;
			--site-on-category-0: #ffffff;
			--site-on-category-1: #ffffff;
			--site-tonal-text: #d8f5f8;
			--site-tonal-primary-text: #67c9d2;
			--site-tonal-indicator: #67c9d2;
			--site-success: #22c55e;
			--site-warning: #f59e0b;
			--site-error: #ef4444;
			--site-info: #3b82f6;
			--color-bg: var(--site-bg);
			--color-surface: var(--site-surface);
			--color-text: var(--site-text);
			--color-muted: var(--site-muted);
			--color-border: var(--site-border);
			--color-primary: var(--site-primary);
			--color-on-primary: var(--site-on-primary);
			--color-secondary: var(--site-secondary);
			--color-on-secondary: var(--site-on-secondary);
			--color-accent: var(--site-accent);
			--color-on-accent: var(--site-on-accent);
			--color-primary-text: var(--site-primary-text);
			--color-secondary-text: var(--site-secondary-text);
			--color-accent-text: var(--site-accent-text);
			--color-indicator: var(--site-indicator);
			--color-tonal-bg: var(--site-tonal-bg);
			--color-tonal-surface: var(--site-tonal-surface);
			--color-tonal-panel: var(--site-tonal-panel);
			--color-category-0: var(--site-category-0);
			--color-category-1: var(--site-category-1);
			--color-on-tonal-panel: var(--site-on-tonal-panel);
			--color-on-category-0: var(--site-on-category-0);
			--color-on-category-1: var(--site-on-category-1);
			--color-tonal-text: var(--site-tonal-text);
			--color-tonal-primary-text: var(--site-tonal-primary-text);
			--color-tonal-indicator: var(--site-tonal-indicator);
			--color-success: var(--site-success);
			--color-warning: var(--site-warning);
			--color-error: var(--site-error);
			--color-info: var(--site-info);
		}

		@media (prefers-color-scheme: light) {
			:root {
				--site-bg: #f8fcfc;
				--site-surface: #fdffff;
				--site-text: #161c1c;
				--site-muted: #505757;
				--site-border: #d0d4d5;
				--site-primary: #29aab4;
				--site-on-primary: #000000;
				--site-secondary: #d2eef1;
				--site-on-secondary: #000000;
				--site-accent: #4aab91;
				--site-on-accent: #000000;
				--site-primary-text: #0b7e86;
				--site-secondary-text: #5e777a;
				--site-accent-text: #118169;
				--site-indicator: #139fa9;
				--site-tonal-bg: #e1f9fb;
				--site-tonal-surface: #bbe8ec;
				--site-tonal-panel: #64c9d2;
				--site-category-0: #cceef1;
				--site-category-1: #a7dce1;
				--site-on-tonal-panel: #000000;
				--site-on-category-0: #000000;
				--site-on-category-1: #000000;
				--site-tonal-text: #161c1c;
				--site-tonal-primary-text: #086e75;
				--site-tonal-indicator: #0e8b93;
			}
		}

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

		body {
			background-color: var(--site-bg);
			color: var(--site-text);
			font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
			font-weight: 400;
		}

		h1, h2, h3, h4, h5, h6 {
			font-weight: 600;
		}

		.nav-link {
			color: var(--site-muted);
		}

		.nav-link:hover,
		.nav-link:focus-visible {
			color: var(--site-primary-text);
		}

		:focus-visible {
			outline: 2px solid var(--site-indicator);
			outline-offset: 2px;
		}
	

		.material-main {
			overflow: hidden;
		}

		.material-wrap {
			width: min(1180px, calc(100% - 2rem));
			margin-inline: auto;
		}

		.material-hero {
			display: grid;
			grid-template-columns: 1.05fr 1fr;
			align-items: center;
			gap: 3rem;
			padding-block: 4.5rem;
		}

		.material-hero h1 {
			max-width: 13ch;
			font-size: clamp(2.6rem, 5vw, 4.4rem);
			font-weight: 600;
			letter-spacing: -0.045em;
			line-height: 1.02;
		}

		.material-hero p {
			max-width: 54ch;
			margin-top: 1.25rem;
			color: var(--color-muted);
			font-size: 1.1rem;
			line-height: 1.65;
		}

		.material-hero img {
			width: 100%;
			aspect-ratio: 4 / 3;
			border: 1px solid var(--color-border);
			border-radius: 8px;
			object-fit: cover;
		}

		.material-eyebrow {
			color: var(--color-accent-text);
			font-size: 0.78rem;
			font-weight: 700;
			letter-spacing: 0.16em;
			text-transform: uppercase;
		}

		.material-button {
			display: inline-flex;
			min-height: 48px;
			align-items: center;
			justify-content: center;
			gap: 0.6rem;
			border-radius: 999px;
			padding: 0.75rem 1.35rem;
			font-weight: 700;
			text-decoration: none;
			transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
		}

		.material-button:hover {
			transform: translateY(-4px);
			box-shadow: 0 8px 20px color-mix(in oklch, var(--color-text) 12%, transparent);
		}

		.material-button-primary {
			background: var(--color-primary);
			color: var(--color-on-primary);
		}

		.material-button-secondary {
			border: 1px solid var(--color-border);
			background: var(--color-surface);
			color: var(--color-text);
		}

		.material-stats {
			position: relative;
			left: 50%;
			width: 100vw;
			transform: translateX(-50%);
			background: var(--color-secondary);
			color: var(--color-on-secondary);
		}

		.material-stats-inner {
			display: grid;
			grid-template-columns: repeat(4, minmax(0, 1fr));
			width: min(1180px, calc(100% - 2rem));
			margin-inline: auto;
			padding-block: 3.75rem;
		}

		.material-stat {
			display: flex;
			min-width: 0;
			flex-direction: column;
			align-items: center;
			gap: 0.65rem;
			padding: 0.5rem 1.25rem;
			border-left: 1px solid currentColor;
			text-align: center;
		}

		.material-stat:first-child {
			border-left: 0;
		}

		.material-stat-number {
			font-size: clamp(2.5rem, 5vw, 3.75rem);
			font-weight: 800;
			line-height: 1;
			white-space: nowrap;
		}

		.material-stat-label {
			max-width: 18ch;
			font-size: 0.82rem;
			letter-spacing: 0.09em;
			line-height: 1.4;
			text-transform: uppercase;
		}

		.material-section {
			padding-block: 6rem;
		}

		.material-section-heading {
			max-width: 680px;
			margin-bottom: 2.5rem;
		}

		.material-section-heading h2 {
			margin-top: 0.6rem;
			font-size: clamp(2rem, 4vw, 3rem);
			font-weight: 600;
			letter-spacing: -0.035em;
			line-height: 1.1;
		}

		.material-section-heading p {
			margin-top: 0.9rem;
			color: var(--color-muted);
			font-size: 1.05rem;
			line-height: 1.65;
		}

		.material-split {
			display: grid;
			grid-template-columns: 1fr 0.9fr;
			align-items: stretch;
			gap: 3rem;
		}

		.material-service-list {
			margin: 0;
			padding: 0;
			list-style: none;
		}

		.material-service-list li {
			border-bottom: 1px solid var(--color-border);
		}

		.material-service-list a {
			display: flex;
			min-height: 76px;
			align-items: center;
			justify-content: space-between;
			gap: 1rem;
			color: var(--color-text);
			text-decoration: none;
			transition: transform 180ms ease, color 180ms ease;
		}

		.material-service-list a:hover {
			transform: translateX(4px);
			color: var(--color-primary-text);
		}

		.material-service-list strong {
			display: block;
			font-size: 1.08rem;
			font-weight: 600;
		}

		.material-service-list span span {
			display: block;
			margin-top: 0.2rem;
			color: var(--color-muted);
			font-size: 0.94rem;
			line-height: 1.45;
		}

		.material-about-tile,
		.material-pack-card,
		.material-guidance-card,
		.material-resource-panel,
		.material-sustain-card,
		.material-contact-panel {
			border: 1px solid var(--color-border);
			border-radius: 8px;
			background: linear-gradient(145deg, var(--color-surface), var(--color-tonal-bg));
			color: var(--color-text);
		}

		.material-about-tile {
			display: flex;
			min-height: 100%;
			flex-direction: column;
			justify-content: space-between;
			gap: 2rem;
			padding: clamp(1.5rem, 4vw, 2.5rem);
		}

		.material-about-tile h3 {
			margin-top: 1rem;
			font-size: 1.75rem;
			font-weight: 600;
			line-height: 1.2;
		}

		.material-about-tile p {
			margin-top: 1rem;
			color: var(--color-muted);
			line-height: 1.7;
		}

		.material-about-tile .material-eyebrow {
			display: inline-flex;
			align-items: center;
			gap: 0.55rem;
		}

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

		.material-pack-card {
			display: flex;
			min-height: 280px;
			flex-direction: column;
			padding: 1.35rem;
			transition: transform 180ms ease, box-shadow 180ms ease;
		}

		.material-pack-card:hover,
		.material-guidance-card:hover {
			transform: translateY(-4px);
			box-shadow: 0 10px 24px color-mix(in oklch, var(--color-text) 10%, transparent);
		}

		.material-pack-card h3 {
			margin-top: 1.1rem;
			font-size: 1.22rem;
			font-weight: 600;
		}

		.material-pack-card p {
			margin-top: 0.55rem;
			color: var(--color-muted);
			font-size: 0.95rem;
			line-height: 1.55;
		}

		.material-pack-card ul {
			display: grid;
			gap: 0.4rem;
			margin: 1.1rem 0 1.25rem;
			padding-left: 1.1rem;
			color: var(--color-muted);
			font-size: 0.9rem;
		}

		.material-pack-card .material-button {
			width: 100%;
			margin-top: auto;
			font-size: 0.92rem;
		}

		.material-pack-tag {
			display: inline-flex;
			align-self: flex-start;
			border: 1px solid var(--color-accent-text);
			border-radius: 999px;
			padding: 0.25rem 0.6rem;
			color: var(--color-accent-text);
			font-size: 0.74rem;
			font-weight: 700;
			letter-spacing: 0.04em;
		}

		.material-categories {
			display: grid;
			grid-template-columns: 0.75fr 1.25fr;
			gap: 3rem;
		}

		.material-category-intro {
			position: sticky;
			top: 6rem;
			align-self: start;
		}

		.material-category-intro p {
			margin-top: 1rem;
			color: var(--color-muted);
			line-height: 1.7;
		}

		.material-category-list {
			border-top: 1px solid var(--color-border);
		}

		.material-category-row {
			display: grid;
			grid-template-columns: 3rem 1fr auto;
			align-items: center;
			gap: 1rem;
			min-height: 90px;
			border-bottom: 1px solid var(--color-border);
			transition: transform 180ms ease;
		}

		.material-category-row:hover {
			transform: translateX(4px);
		}

		.material-category-row > span:first-child {
			color: var(--color-primary-text);
			font-size: 0.8rem;
			font-weight: 700;
			letter-spacing: 0.08em;
		}

		.material-category-row h3 {
			font-size: 1.12rem;
			font-weight: 600;
		}

		.material-category-row p {
			margin-top: 0.2rem;
			color: var(--color-muted);
			font-size: 0.93rem;
			line-height: 1.45;
		}

		.material-category-row i {
			color: var(--color-accent-text);
			font-size: 1.1rem;
		}

		.material-teacher-layout,
		.material-sustain-layout {
			display: grid;
			grid-template-columns: 1fr 0.9fr;
			align-items: center;
			gap: 3rem;
		}

		.material-resource-list {
			display: grid;
			gap: 0;
			margin: 0;
			padding: 0;
			list-style: none;
		}

		.material-resource-list li {
			display: grid;
			grid-template-columns: 2.3rem 1fr;
			gap: 1rem;
			padding-block: 1.15rem;
			border-bottom: 1px solid var(--color-border);
		}

		.material-resource-list li:first-child {
			border-top: 1px solid var(--color-border);
		}

		.material-resource-list i {
			padding-top: 0.2rem;
			color: var(--color-primary-text);
			font-size: 1.15rem;
		}

		.material-resource-list strong {
			font-weight: 600;
		}

		.material-resource-list p {
			margin-top: 0.25rem;
			color: var(--color-muted);
			line-height: 1.5;
		}

		.material-resource-panel {
			padding: clamp(1.5rem, 4vw, 2.4rem);
		}

		.material-resource-panel h3 {
			margin-top: 1rem;
			font-size: 1.6rem;
			font-weight: 600;
			line-height: 1.2;
		}

		.material-resource-panel p {
			margin-top: 0.85rem;
			color: var(--color-muted);
			line-height: 1.65;
		}

		.material-resource-panel .material-button {
			margin-top: 1.4rem;
		}

		.material-sustain-card {
			padding: clamp(1.5rem, 4vw, 2.4rem);
		}

		.material-sustain-card h3 {
			font-size: 1.5rem;
			font-weight: 600;
		}

		.material-sustain-card p {
			margin-top: 0.75rem;
			color: var(--color-muted);
			line-height: 1.65;
		}

		.material-sustain-points {
			display: grid;
			gap: 1rem;
			margin: 0;
			padding: 0;
			list-style: none;
		}

		.material-sustain-points li {
			display: grid;
			grid-template-columns: 1.5rem 1fr;
			gap: 0.75rem;
			color: var(--color-muted);
			line-height: 1.55;
		}

		.material-sustain-points i {
			color: var(--color-accent-text);
		}

		.material-echo-band {
			background: var(--color-tonal-surface);
			color: var(--color-tonal-text);
		}

		.material-echo-inner {
			display: grid;
			grid-template-columns: repeat(3, minmax(0, 1fr));
			width: min(1180px, calc(100% - 2rem));
			margin-inline: auto;
			padding-block: 3.5rem;
		}

		.material-echo-inner .material-stat {
			border-color: color-mix(in oklch, var(--color-tonal-text) 35%, transparent);
		}

		.material-echo-inner .material-stat:first-child {
			border-left: 0;
		}

		.material-echo-inner .material-stat-number {
			color: var(--color-tonal-primary-text);
			font-size: clamp(2.25rem, 4vw, 3rem);
		}

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

		.material-guidance-card {
			padding: 1.6rem;
			transition: transform 180ms ease, box-shadow 180ms ease;
		}

		.material-guidance-card blockquote {
			font-size: 1.08rem;
			line-height: 1.6;
		}

		.material-guidance-card p {
			margin-top: 1.2rem;
			color: var(--color-accent-text);
			font-size: 0.78rem;
			font-weight: 700;
			letter-spacing: 0.1em;
			text-transform: uppercase;
		}

		.material-steps {
			display: grid;
			grid-template-columns: repeat(4, minmax(0, 1fr));
			gap: 0;
			margin-top: 2.5rem;
		}

		.material-step {
			position: relative;
			padding: 0 1.5rem 0 1.2rem;
			border-left: 1px solid var(--color-border);
		}

		.material-step:first-child {
			padding-left: 0;
			border-left: 0;
		}

		.material-step-number {
			color: var(--color-primary-text);
			font-size: 0.78rem;
			font-weight: 700;
			letter-spacing: 0.12em;
		}

		.material-step h3 {
			margin-top: 0.7rem;
			font-size: 1.15rem;
			font-weight: 600;
		}

		.material-step p {
			margin-top: 0.45rem;
			color: var(--color-muted);
			font-size: 0.94rem;
			line-height: 1.55;
		}

		.material-order-note {
			display: flex;
			align-items: center;
			justify-content: space-between;
			gap: 1.5rem;
			margin-top: 2.5rem;
			border: 1px solid var(--color-border);
			border-radius: 8px;
			padding: 1.1rem 1.3rem;
			background: var(--color-surface);
			color: var(--color-text);
		}

		.material-order-note p {
			color: var(--color-muted);
			line-height: 1.55;
		}

		.material-contact-band {
			background: var(--color-primary);
			color: var(--color-on-primary);
		}

		.material-contact-inner {
			display: grid;
			grid-template-columns: 1.05fr 0.95fr;
			align-items: start;
			gap: 3rem;
			width: min(1180px, calc(100% - 2rem));
			margin-inline: auto;
			padding-block: 5rem;
		}

		.material-contact-inner h2 {
			max-width: 13ch;
			font-size: clamp(2.2rem, 4vw, 3.5rem);
			font-weight: 600;
			letter-spacing: -0.035em;
			line-height: 1.08;
		}

		.material-contact-inner > div > p {
			max-width: 48ch;
			margin-top: 1rem;
			line-height: 1.65;
		}

		.material-contact-details {
			display: grid;
			gap: 0.8rem;
			margin-top: 1.6rem;
		}

		.material-contact-details a,
		.material-contact-details address {
			display: flex;
			align-items: flex-start;
			gap: 0.75rem;
			color: var(--color-on-primary);
			font-style: normal;
			text-decoration: none;
		}

		.material-contact-details i {
			padding-top: 0.15rem;
		}

		.material-contact-form {
			display: grid;
			gap: 0.9rem;
			border: 1px solid color-mix(in oklch, var(--color-on-primary) 24%, transparent);
			border-radius: 8px;
			padding: 1.5rem;
			background: color-mix(in oklch, var(--color-primary) 88%, var(--color-surface));
			color: var(--color-on-primary);
		}

		.material-contact-form label {
			display: grid;
			gap: 0.35rem;
			font-size: 0.9rem;
			font-weight: 600;
		}

		.material-contact-form input,
		.material-contact-form textarea {
			width: 100%;
			border: 1px solid color-mix(in oklch, var(--color-on-primary) 34%, transparent);
			border-radius: 6px;
			padding: 0.75rem 0.85rem;
			background: var(--color-surface);
			color: var(--color-text);
			font: inherit;
		}

		.material-contact-form textarea {
			min-height: 96px;
			resize: vertical;
		}

		.material-contact-form .material-button {
			justify-self: start;
			border: 0;
			background: var(--color-on-primary);
			color: var(--color-primary);
			cursor: pointer;
			font: inherit;
			font-weight: 700;
		}

		@media (max-width: 900px) {
			.material-card-grid {
				grid-template-columns: repeat(2, minmax(0, 1fr));
			}

			.material-split,
			.material-categories,
			.material-teacher-layout,
			.material-sustain-layout {
				grid-template-columns: 1fr 1fr;
				gap: 2rem;
			}

			.material-steps {
				grid-template-columns: repeat(2, minmax(0, 1fr));
				row-gap: 2rem;
			}

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

		@media (max-width: 760px) {
			.material-hero {
				grid-template-columns: 1fr;
				gap: 2rem;
				padding-block: 3.5rem;
			}

			.material-hero h1 {
				max-width: 15ch;
			}

			.material-hero .material-button {
				width: 100%;
			}

			.material-stats-inner,
			.material-echo-inner {
				grid-template-columns: repeat(2, minmax(0, 1fr));
				row-gap: 2rem;
				padding-block: 2.75rem;
			}

			.material-stat,
			.material-echo-inner .material-stat {
				border-left: 0;
				padding-inline: 0.5rem;
			}

			.material-echo-inner .material-stat:last-child {
				grid-column: 1 / -1;
			}

			.material-section {
				padding-block: 4.5rem;
			}

			.material-split,
			.material-categories,
			.material-teacher-layout,
			.material-sustain-layout {
				grid-template-columns: 1fr;
			}

			.material-category-intro {
				position: static;
			}

			.material-guidance-grid {
				grid-template-columns: 1fr;
			}

			.material-contact-inner {
				grid-template-columns: 1fr;
				gap: 2rem;
				padding-block: 4rem;
			}

			.material-order-note {
				align-items: stretch;
				flex-direction: column;
			}
		}

		@media (max-width: 520px) {
			.material-card-grid,
			.material-steps {
				grid-template-columns: 1fr;
			}

			.material-pack-card {
				min-height: 0;
			}

			.material-step,
			.material-step:nth-child(3) {
				padding: 0 0 0 1rem;
				border-left: 1px solid var(--color-border);
			}

			.material-step:first-child {
				padding-left: 0;
				border-left: 0;
			}

			.material-category-row {
				grid-template-columns: 2rem 1fr auto;
				gap: 0.65rem;
			}

			.material-contact-form .material-button {
				width: 100%;
			}
		}

		@media (prefers-reduced-motion: reduce) {
			.material-main *,
			.material-main *::before,
			.material-main *::after {
				scroll-behavior: auto !important;
				transition-duration: 0.01ms !important;
			}
		}
	

		.footer-link {
			color: var(--color-muted);
			text-decoration: none;
		}

		.footer-link:hover,
		.footer-link:focus-visible {
			color: var(--color-primary-text);
			text-decoration: underline;
		}

		.footer-frame-link {
			color: var(--color-on-primary);
			text-decoration: none;
		}

		.footer-frame-link:hover,
		.footer-frame-link:focus-visible {
			text-decoration: underline;
		}