/* Guides index, closely following the current Velta Singapore stage system. */

.vguides,
.vguides * {
	box-sizing: border-box;
}

.vguides {
	--vg-ink: #111311;
	--vg-muted: #5f6663;
	--vg-line: rgba(17, 19, 17, 0.2);
	background: #f6f4ee;
	color: var(--vg-ink);
}

.vguides-in {
	width: min(100% - 64px, 1344px);
	margin: 0 auto;
}

.vguides-eye {
	margin: 0;
	color: #616864;
	font-size: 10px;
	font-weight: 500;
	letter-spacing: 0.24em;
	text-transform: uppercase;
}

.vguides-hero {
	border-bottom: 1px solid var(--vg-line);
}

.vguides-hero .vguides-in {
	display: grid;
	min-height: 555px;
	grid-template-columns: minmax(0, 1fr) 390px;
	align-items: center;
	gap: 60px;
	padding-top: 88px;
	padding-bottom: 88px;
}

.vguides-hero h1 {
	margin: 48px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(4.6rem, 7.4vw, 7rem);
	font-weight: 700;
	line-height: 0.9;
	letter-spacing: -0.06em;
}

.vguides-hero-copy > p:not(.vguides-eye) {
	max-width: 860px;
	margin: 42px 0 0;
	color: var(--vg-muted);
	font-size: 18px;
	line-height: 1.75;
}

.vguides-hero img {
	width: min(100%, 360px);
	height: auto;
	justify-self: center;
}

.vguides-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 38px;
}

.vguides-button {
	display: inline-flex;
	min-height: 49px;
	align-items: center;
	justify-content: space-between;
	gap: 28px;
	padding: 0 22px;
	border: 1px solid var(--vg-ink);
	color: var(--vg-ink);
	font-size: 13px;
	text-decoration: none;
	transition: background-color 180ms ease, color 180ms ease;
}

.vguides-button span {
	font-size: 17px;
}

.vguides-button:hover,
.vguides-button:focus-visible,
.vguides-button-dark {
	background: var(--vg-ink);
	color: #fff;
}

.vguides-button-dark:hover,
.vguides-button-dark:focus-visible {
	background: #001ba7;
	border-color: #001ba7;
}

.vguides-feature .vguides-in,
.vguides-formats .vguides-in,
.vguides-list .vguides-in,
.vguides-topics .vguides-in,
.vguides-method .vguides-in {
	padding-top: 90px;
	padding-bottom: 90px;
}

.vguides-formats {
	background: #fff;
}

.vguides-format-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
	margin-top: 58px;
}

.vguides-format-grid a {
	display: flex;
	min-height: 285px;
	flex-direction: column;
	padding: 28px;
	border: 1px solid var(--vg-line);
	color: inherit;
	text-decoration: none;
	transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.vguides-format-grid a:hover,
.vguides-format-grid a:focus-visible {
	border-color: #001ba7;
	background: #001ba7;
	color: #fff;
}

.vguides-format-grid span,
.vguides-format-grid strong {
	font-size: 10px;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

.vguides-format-grid span {
	color: #68706c;
}

.vguides-format-grid h3 {
	margin: auto 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: 1.9rem;
	line-height: 1;
	letter-spacing: -0.04em;
}

.vguides-format-grid p {
	margin: 20px 0 0;
	color: var(--vg-muted);
	font-size: 13px;
	line-height: 1.65;
}

.vguides-format-grid strong {
	margin-top: 26px;
}

.vguides-format-grid a:hover span,
.vguides-format-grid a:hover p,
.vguides-format-grid a:focus-visible span,
.vguides-format-grid a:focus-visible p {
	color: rgba(255, 255, 255, 0.72);
}

.vguides-feature-link {
	display: grid;
	grid-template-columns: 58% 42%;
	margin-top: 58px;
	color: inherit;
	text-decoration: none;
}

.vguides-feature-image {
	position: relative;
	min-height: 610px;
	overflow: hidden;
}

.vguides-feature-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 58%;
	transition: transform 500ms ease;
}

.vguides-feature-link:hover .vguides-feature-image img {
	transform: scale(1.015);
}

.vguides-feature-image > span {
	position: absolute;
	top: 24px;
	left: 24px;
	padding: 11px 16px;
	background: #f6f4ee;
	font-size: 10px;
	letter-spacing: 0.17em;
	text-transform: uppercase;
}

.vguides-feature-copy {
	display: flex;
	flex-direction: column;
	border-top: 1px solid var(--vg-line);
	padding: 40px 38px 25px;
}

.vguides-card-meta {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	color: #67706b;
	font-size: 10px;
	font-weight: 500;
	letter-spacing: 0.16em;
	text-transform: uppercase;
}

.vguides-card-meta time {
	letter-spacing: 0;
	text-transform: none;
}

.vguides-card-meta b {
	font-weight: 400;
	letter-spacing: 0;
}

.vguides-feature-copy h2 {
	margin: 52px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(2.7rem, 4.1vw, 4.1rem);
	font-weight: 700;
	line-height: 0.95;
	letter-spacing: -0.055em;
}

.vguides-feature-copy > p {
	margin: 32px 0 0;
	color: var(--vg-muted);
	font-size: 16px;
	line-height: 1.75;
}

.vguides-feature-copy .vguides-feature-note {
	margin-top: 28px;
	border-top: 1px solid var(--vg-line);
	padding-top: 27px;
	font-size: 13px;
}

.vguides-arrow {
	margin-top: auto;
	padding-top: 30px;
	font-size: 20px;
}

.vguides-topics {
	background: #151816;
	color: #fff;
}

.vguides-topics .vguides-eye {
	color: rgba(255, 255, 255, 0.62);
}

.vguides-section-heading {
	display: grid;
	grid-template-columns: minmax(0, 30fr) minmax(0, 70fr);
	gap: 24px;
}

.vguides-topics .vguides-section-heading h2 {
	color: #fff;
}

.vguides-section-heading h2 {
	max-width: 890px;
	margin: 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(3rem, 5vw, 5.2rem);
	font-weight: 700;
	line-height: 0.96;
	letter-spacing: -0.055em;
}

.vguides-section-heading h2 sub {
	font-size: 0.55em;
}

.vguides-section-heading div > p {
	max-width: 660px;
	margin: 26px 0 0;
	color: var(--vg-muted);
	font-size: 16px;
	line-height: 1.7;
}

.vguides-topics .vguides-section-heading div > p {
	color: rgba(255, 255, 255, 0.62);
}

.vguides-topic-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	margin-top: 65px;
	border: 1px solid rgba(255, 255, 255, 0.22);
}

.vguides-topic-grid a {
	display: flex;
	min-height: 320px;
	flex-direction: column;
	padding: 24px;
	border-left: 1px solid rgba(255, 255, 255, 0.22);
	color: #fff;
	text-decoration: none;
	transition: background-color 180ms ease;
}

.vguides-topic-grid a:first-child {
	border-left: 0;
}

.vguides-topic-grid a:hover,
.vguides-topic-grid a:focus-visible {
	background: #001ba7;
}

.vguides-topic-grid span,
.vguides-topic-grid strong {
	color: rgba(255, 255, 255, 0.56);
	font-size: 10px;
	font-weight: 400;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.vguides-topic-grid h3 {
	margin: auto 0 0;
	color: #fff;
	font-family: var(--wp--preset--font-family--heading);
	font-size: 1.65rem;
	line-height: 1.05;
}

.vguides-topic-grid p {
	margin: 20px 0 0;
	color: rgba(255, 255, 255, 0.58);
	font-size: 13px;
	line-height: 1.65;
}

.vguides-topic-grid strong {
	margin-top: 27px;
}

.vguides-list-water {
	background: #dfe7e9;
}

.vguides-list-sparkling {
	background: #eee8de;
}

.vguides-list-hydrogen {
	background: #e9e2e9;
}

.vguides-list-more,
.vguides-method {
	background: #fff;
}

.vguides-card-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 0 30px;
	margin-top: 70px;
}

.vguides-card {
	display: flex;
	min-height: 285px;
	flex-direction: column;
	border-top: 1px solid var(--vg-line);
	padding: 24px 0;
	color: inherit;
	text-decoration: none;
}

.vguides-card h3 {
	margin: 44px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: 1.72rem;
	font-weight: 650;
	line-height: 1.07;
	letter-spacing: -0.035em;
}

.vguides-card > p {
	margin: 27px 0 0;
	color: var(--vg-muted);
	font-size: 13px;
	line-height: 1.75;
}

.vguides-card footer {
	display: flex;
	justify-content: space-between;
	margin-top: auto;
	border-top: 1px solid var(--vg-line);
	padding-top: 20px;
	color: #68706c;
	font-size: 10px;
}

.vguides-card h3,
.vguides-card footer span {
	transition: color 180ms ease, transform 180ms ease;
}

.vguides-card:hover h3,
.vguides-card:focus-visible h3 {
	color: #001ba7;
}

.vguides-card:hover footer span,
.vguides-card:focus-visible footer span {
	transform: translate(2px, -2px);
}

.vguides-more {
	margin-top: 28px;
	border-top: 1px solid var(--vg-line);
	border-bottom: 1px solid var(--vg-line);
}

.vguides-more summary {
	display: flex;
	min-height: 72px;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	cursor: pointer;
	font-size: 13px;
	font-weight: 600;
	list-style: none;
}

.vguides-more summary::-webkit-details-marker {
	display: none;
}

.vguides-more summary span {
	font-size: 24px;
	font-weight: 300;
	transition: transform 180ms ease;
}

.vguides-more[open] summary span {
	transform: rotate(45deg);
}

.vguides-more > .vguides-card-grid {
	margin-top: 0;
	padding-bottom: 24px;
}

.vguides-video-promo {
	display: grid;
	grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
	margin-top: 64px;
	border-top: 1px solid var(--vg-line);
	padding-top: 32px;
}

.vguides-video-frame {
	position: relative;
	overflow: hidden;
	aspect-ratio: 16 / 9;
	background: #111;
}

.vguides-video-frame iframe {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

.vguides-video-promo > div:last-child {
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 38px;
	background: rgba(255, 255, 255, 0.36);
}

.vguides-video-promo h3 {
	margin: 22px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(2.1rem, 4vw, 3.8rem);
	font-weight: 700;
	line-height: 0.96;
	letter-spacing: -0.05em;
}

.vguides-video-promo p:not(.vguides-eye) {
	margin: 24px 0 0;
	color: var(--vg-muted);
	font-size: 14px;
	line-height: 1.7;
}

.vguides-video-promo a {
	align-self: flex-start;
	margin-top: 30px;
	border-bottom: 1px solid currentColor;
	color: inherit;
	font-size: 13px;
	text-decoration: none;
}

.vguides-list-more .vguides-card-grid {
	grid-template-columns: repeat(3, 1fr);
}

.vguides-method .vguides-in {
	display: grid;
	grid-template-columns: minmax(0, 36fr) minmax(0, 64fr);
	gap: 35px;
}

.vguides-method h2 {
	max-width: 410px;
	margin: 36px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(2.6rem, 4vw, 4rem);
	font-weight: 650;
	line-height: 0.98;
	letter-spacing: -0.05em;
}

.vguides-method-copy > p {
	max-width: 800px;
	margin: 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(1.8rem, 3vw, 2.8rem);
	font-weight: 300;
	line-height: 1.15;
	letter-spacing: -0.03em;
}

.vguides-method-copy > div {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 28px;
	margin-top: 50px;
}

.vguides-method article {
	border-top: 1px solid var(--vg-line);
	padding-top: 20px;
}

.vguides-method article h3 {
	margin: 0;
	font-size: 1.18rem;
}

.vguides-method article p {
	margin: 18px 0 0;
	color: var(--vg-muted);
	font-size: 13px;
	line-height: 1.7;
}

.vguides-method nav {
	display: flex;
	flex-wrap: wrap;
	gap: 28px;
	margin-top: 38px;
}

.vguides-method nav a {
	border-bottom: 1px solid #202420;
	padding-bottom: 4px;
	color: inherit;
	font-size: 12px;
	text-decoration: none;
}

.vguides-compare {
	background: #081b98;
	color: #fff;
}

.vguides-compare .vguides-in {
	display: grid;
	grid-template-columns: 1fr auto;
	align-items: end;
	gap: 40px;
	padding-top: 64px;
	padding-bottom: 64px;
}

.vguides-compare .vguides-eye,
.vguides-compare p {
	color: rgba(255, 255, 255, 0.66);
}

.vguides-compare h2 {
	margin: 30px 0 0;
	color: #fff;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(2.8rem, 5vw, 5rem);
	font-weight: 650;
	line-height: 0.95;
	letter-spacing: -0.05em;
}

.vguides-compare div > p:not(.vguides-eye) {
	max-width: 680px;
	margin: 22px 0 0;
	font-size: 14px;
	line-height: 1.65;
}

.vguides-compare a {
	display: inline-flex;
	min-width: 260px;
	min-height: 51px;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 0 22px;
	background: #fff;
	color: #111311;
	font-size: 12px;
	text-decoration: none;
}

@media (max-width: 900px) {
	.vguides-in {
		width: min(100% - 48px, 1344px);
	}

	.vguides-hero .vguides-in {
		grid-template-columns: 1fr 250px;
	}

	.vguides-feature-link {
		grid-template-columns: 1fr;
	}

	.vguides-feature-image {
		min-height: 520px;
	}

	.vguides-feature-copy {
		min-height: 510px;
	}

	.vguides-card-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.vguides-format-grid {
		grid-template-columns: 1fr;
	}

	.vguides-format-grid a {
		min-height: 225px;
	}

	.vguides-topic-grid a {
		min-height: 280px;
	}
}

@media (max-width: 680px) {
	.vguides-in {
		width: min(100% - 36px, 1344px);
	}

	.vguides-hero .vguides-in {
		min-height: 0;
		grid-template-columns: 1fr;
		gap: 44px;
		padding-top: 72px;
		padding-bottom: 72px;
	}

	.vguides-hero h1 {
		margin-top: 30px;
		font-size: clamp(3.5rem, 17vw, 5rem);
	}

	.vguides-hero-copy > p:not(.vguides-eye) {
		margin-top: 30px;
		font-size: 16px;
	}

	.vguides-hero img {
		width: min(82%, 330px);
	}

	.vguides-actions {
		display: grid;
	}

	.vguides-button {
		width: 100%;
	}

	.vguides-feature .vguides-in,
	.vguides-formats .vguides-in,
	.vguides-list .vguides-in,
	.vguides-topics .vguides-in,
	.vguides-method .vguides-in {
		padding-top: 70px;
		padding-bottom: 70px;
	}

	.vguides-feature-link {
		margin-top: 42px;
	}

	.vguides-feature-image {
		min-height: 430px;
	}

	.vguides-feature-copy {
		min-height: 0;
		padding: 28px 0 6px;
	}

	.vguides-feature-copy h2 {
		margin-top: 38px;
		font-size: 2.65rem;
	}

	.vguides-feature-copy > p {
		font-size: 15px;
	}

	.vguides-arrow {
		margin-top: 20px;
	}

	.vguides-section-heading {
		grid-template-columns: 1fr;
		gap: 34px;
	}

	.vguides-section-heading h2 {
		font-size: clamp(2.8rem, 13vw, 4rem);
	}

	.vguides-topic-grid,
	.vguides-format-grid,
	.vguides-card-grid,
	.vguides-list-more .vguides-card-grid,
	.vguides-method .vguides-in,
	.vguides-method-copy > div,
	.vguides-compare .vguides-in {
		grid-template-columns: 1fr;
	}

	.vguides-topic-grid a {
		min-height: 255px;
		border-top: 1px solid rgba(255, 255, 255, 0.22);
		border-left: 0;
	}

	.vguides-topic-grid a:first-child {
		border-top: 0;
	}

	.vguides-card-grid {
		margin-top: 52px;
	}

	.vguides-card {
		min-height: 270px;
	}

	.vguides-card h3 {
		margin-top: 40px;
		font-size: 1.65rem;
	}

	.vguides-video-promo {
		grid-template-columns: 1fr;
		margin-top: 48px;
	}

	.vguides-video-promo > div:last-child {
		padding: 30px 0 0;
		background: transparent;
	}

	.vguides-method .vguides-in {
		gap: 56px;
	}

	.vguides-method-copy > div {
		gap: 38px;
	}

	.vguides-method nav {
		display: grid;
	}

	.vguides-compare .vguides-in {
		align-items: start;
	}

	.vguides-compare a {
		width: 100%;
	}
}

/* Simplified knowledge-centre architecture: subject hubs first, detail second. */
.vguidehub-choices .vguides-in,
.vguidehub-principles .vguides-in,
.vguidehub-section .vguides-in {
	padding-top: 88px;
	padding-bottom: 88px;
}

.vguidehub-choice-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
	margin-top: 58px;
}

.vguidehub-choice-grid a {
	display: flex;
	min-height: 610px;
	flex-direction: column;
	padding: 30px;
	border: 1px solid var(--vg-line);
	color: inherit;
	text-decoration: none;
	transition: transform 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.vguidehub-choice-grid a:hover,
.vguidehub-choice-grid a:focus-visible {
	transform: translateY(-4px);
	box-shadow: 0 18px 45px rgba(17, 19, 17, .09);
}

.vguidehub-choice-grid .is-water { background: #e4edf1; }
.vguidehub-choice-grid .is-air { background: #e7ede4; }
.vguidehub-choice-grid .is-hydrogen { background: #eee8ef; }

.vguidehub-choice-art {
	width: 100%;
	height: 260px;
	margin: 20px 0 10px;
	object-fit: contain;
	object-position: center;
	transition: transform 180ms ease;
}

.vguidehub-choice-art.is-wide { transform: scale(1.08); }
.vguidehub-choice-grid a:hover .vguidehub-choice-art,
.vguidehub-choice-grid a:focus-visible .vguidehub-choice-art { transform: scale(1.035); }
.vguidehub-choice-grid a:hover .vguidehub-choice-art.is-wide,
.vguidehub-choice-grid a:focus-visible .vguidehub-choice-art.is-wide { transform: scale(1.115); }

.vguidehub-choice-grid span,
.vguidehub-choice-grid strong,
.vguidehub-grid span,
.vguidehub-grid strong,
.vguidehub-grid em,
.vclassroom-grid span {
	font-size: 10px;
	font-style: normal;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

.vguidehub-choice-grid h2 {
	margin: 18px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(2.25rem, 3.5vw, 3.7rem);
	line-height: 0.96;
	letter-spacing: -0.05em;
}

.vguidehub-choice-grid p {
	margin: 24px 0 0;
	color: var(--vg-muted);
	font-size: 14px;
	line-height: 1.7;
}

.vguidehub-choice-grid strong { margin-top: 30px; }

.vguidehub-classroom-band {
	background: #111311;
	color: #fff;
}

.vguidehub-classroom-band .vguides-in {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 250px auto;
	align-items: center;
	gap: 40px;
	padding-top: 48px;
	padding-bottom: 48px;
}

.vguidehub-classroom-mascot {
	width: 250px;
	height: 250px;
	object-fit: contain;
	filter: drop-shadow(0 18px 24px rgba(0, 0, 0, .2));
}

.vguidehub-classroom-band .vguides-eye,
.vguidehub-classroom-band p { color: rgba(255,255,255,.65); }
.vguidehub-classroom-band h2,
.vguidehub-principles h2 {
	margin: 28px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(3rem, 5vw, 5rem);
	line-height: .95;
	letter-spacing: -.05em;
}
.vguidehub-classroom-band p:not(.vguides-eye) { max-width: 700px; margin: 24px 0 0; line-height: 1.7; }
.vguidehub-classroom-band a {
	display: flex;
	min-width: 245px;
	min-height: 52px;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 0 22px;
	background: #fff;
	color: #111311;
	font-size: 12px;
	text-decoration: none;
}

.vguidehub-principles { background: #fff; }
.vguidehub-principles .vguides-in { display: grid; grid-template-columns: 30% 70%; gap: 30px; }
.vguidehub-principles h2 { max-width: 780px; }
.vguidehub-principles p:not(.vguides-eye) { max-width: 700px; margin: 28px 0 0; color: var(--vg-muted); line-height: 1.7; }
.vguidehub-principles a { display: inline-block; margin-top: 30px; border-bottom: 1px solid currentColor; color: inherit; text-decoration: none; }

.vguidehub-hero {
	border-bottom: 1px solid var(--vg-line);
}
.vguidehub-hero .vguides-in { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 32%); align-items: end; gap: 40px; padding-top: 110px; padding-bottom: 100px; overflow: hidden; }
.vguidehub-hero-copy > a { color: inherit; font-size: 12px; text-decoration: none; }
.vguidehub-mascot { display: block; width: 100%; max-height: 480px; object-fit: contain; object-position: center bottom; }
.vguidehub-hero .vguides-eye { margin-top: 76px; }
.vguidehub-hero h1 {
	max-width: 900px;
	margin: 38px 0 0;
	font-family: var(--wp--preset--font-family--heading);
	font-size: clamp(4rem, 7vw, 7rem);
	line-height: .9;
	letter-spacing: -.06em;
}
.vguidehub-hero p:not(.vguides-eye) { max-width: 800px; margin: 38px 0 0; color: var(--vg-muted); font-size: 18px; line-height: 1.7; }
.vguidehub.is-water .vguidehub-hero { background: #dfe7e9; }
.vguidehub.is-air .vguidehub-hero { background: #e5ebdf; }
.vclassroom .vguidehub-hero { background: #e9e2e9; }

.vguidehub-jumps { position: sticky; top: var(--velta-header-height, 76px); z-index: 5; border-bottom: 1px solid var(--vg-line); background: rgba(246,244,238,.96); backdrop-filter: blur(10px); }
.vguidehub-jumps .vguides-in { display: flex; gap: 8px; overflow-x: auto; padding-top: 14px; padding-bottom: 14px; scrollbar-width: none; }
.vguidehub-jumps a { flex: 0 0 auto; padding: 10px 16px; border: 1px solid var(--vg-line); color: inherit; font-size: 11px; text-decoration: none; }
.vguidehub-jumps a:hover,
.vguidehub-jumps a:focus-visible { background: #111311; color: #fff; }

.vguidehub-basics { scroll-margin-top: calc(var(--velta-header-height, 74px) + 72px); background: #101310; color: #fff; }
.vguidehub-basics .vguides-in { padding-top: 88px; padding-bottom: 88px; }
.vguidehub-basics-head { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(320px,.65fr); gap: clamp(36px,7vw,112px); align-items: end; }
.vguidehub-basics .vguides-eye { color: #aeb8ff; }
.vguidehub-basics-head h2 { max-width: 900px; margin: 28px 0 0; color: #fff; font-family: var(--wp--preset--font-family--heading); font-size: clamp(3.2rem,5.4vw,5.6rem); line-height: .94; letter-spacing: -.055em; }
.vguidehub-basics-head>p { margin: 0; color: rgba(255,255,255,.68); font-size: 17px; line-height: 1.7; }
.vguidehub-basics-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; margin-top: 58px; background: rgba(255,255,255,.24); }
.vguidehub-basics-grid>a { display: flex; min-width: 0; min-height: 620px; flex-direction: column; padding: clamp(26px,3vw,42px); background: #161a17; color: #fff; text-decoration: none; transition: background-color 180ms ease; }
.vguidehub-basics-grid>a:hover,
.vguidehub-basics-grid>a:focus-visible { background: #1c241f; }
.vguidehub-basics-visual { position: relative; width: 100%; aspect-ratio: 16 / 10; margin: 0 0 30px; overflow: hidden; background: #edf1ee; }
.vguidehub-basics-visual::after { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.12); content: ""; pointer-events: none; }
.vguidehub-basics-visual img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform 420ms cubic-bezier(.2,.75,.25,1); }
.vguidehub-basics-grid>a:hover .vguidehub-basics-visual img,
.vguidehub-basics-grid>a:focus-visible .vguidehub-basics-visual img { transform: scale(1.025); }
.vguidehub-basics-visual.is-particles img { object-fit: contain; }
.vguidehub-basics-visual.is-gases img { object-position: 50% 52%; }
.vguidehub-basics-visual.is-moisture { background: #dce9f2; }
.vguidehub-basics-visual.is-moisture img { object-fit: contain; object-position: 50% 56%; transform: scale(1.08); }
.vguidehub-basics-grid>a:hover .vguidehub-basics-visual.is-moisture img,
.vguidehub-basics-grid>a:focus-visible .vguidehub-basics-visual.is-moisture img { transform: scale(1.105); }
.vguidehub-basics-grid span { color: #aeb8ff; font-size: 10px; letter-spacing: .18em; text-transform: uppercase; }
.vguidehub-basics-grid h3 { margin: 38px 0 0; color: #fff; font-family: var(--wp--preset--font-family--heading); font-size: clamp(2.5rem,3.4vw,3.8rem); line-height: .96; letter-spacing: -.05em; }
.vguidehub-basics-grid> a > p { margin: 28px 0 0; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.7; }
.vguidehub-basics-grid p strong { color: #fff; font-weight: 650; }
.vguidehub-basics-grid dl { margin: 32px 0 0; border-top: 1px solid rgba(255,255,255,.2); }
.vguidehub-basics-grid dl div { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.vguidehub-basics-grid dt { color: #fff; font-size: 12px; font-weight: 650; }
.vguidehub-basics-grid dd { margin: 8px 0 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.6; }
.vguidehub-basics-grid em { margin-top: auto; padding-top: 30px; color: #fff; font-size: 11px; font-style: normal; letter-spacing: .08em; text-transform: uppercase; }
.vguidehub-basics-note { margin: 34px 0 0; border-top: 1px solid rgba(255,255,255,.24); padding-top: 28px; color: rgba(255,255,255,.64); font-size: 14px; line-height: 1.7; }
.vguidehub-basics-note strong { color: #fff; }

.vguidehub-section { scroll-margin-top: calc(var(--velta-header-height, 74px) + 72px); }
.vguidehub-section.tone { background: rgba(255,255,255,.55); }
.vguidehub-heading { display: grid; grid-template-columns: 30% 70%; gap: 30px; }
.vguidehub-heading h2,
.vclassroom-empty h2 { max-width: 900px; margin: 0; font-family: var(--wp--preset--font-family--heading); font-size: clamp(3rem, 5vw, 5rem); line-height: .95; letter-spacing: -.05em; }
.vguidehub-grid {
	display: grid;
	grid-template-columns: repeat(3,1fr);
	gap: 22px;
	margin-top: 58px;
}
.vguidehub-grid > a,
.vguidehub-grid > article {
	display: flex;
	min-height: 300px;
	flex-direction: column;
	padding: 27px;
	border: 1px solid var(--vg-line);
	color: inherit;
	text-decoration: none;
}
.vguidehub-grid h3 { margin: auto 0 0; font-family: var(--wp--preset--font-family--heading); font-size: 2rem; line-height: 1; letter-spacing: -.04em; }
.vguidehub-grid p { margin: 22px 0 0; color: var(--vg-muted); font-size: 13px; line-height: 1.7; }
.vguidehub-grid strong,
.vguidehub-grid em { margin-top: 26px; }
.vguidehub-grid > a:hover h3,
.vguidehub-grid > a:focus-visible h3 { color: #001ba7; }
.vguidehub-grid.is-information em { color: #6c736f; }

.vclassroom-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 52px 28px; margin-top: 58px; }
.vclassroom-primer { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(280px,.75fr); gap: 56px; margin-bottom: 88px; padding: clamp(32px,5vw,64px); background: #111311; color: #fff; }
.vclassroom-primer h2 { margin: 28px 0 0; font-family: var(--wp--preset--font-family--heading); font-size: clamp(3rem,5vw,5rem); line-height: .94; letter-spacing: -.05em; }
.vclassroom-primer p:not(.vguides-eye) { max-width: 780px; margin: 26px 0 0; color: rgba(255,255,255,.7); line-height: 1.75; }
.vclassroom-primer a { display: inline-block; margin-top: 30px; border-bottom: 1px solid currentColor; color: #fff; font-size: 12px; text-decoration: none; }
.vclassroom-primer dl { display: grid; align-content: stretch; margin: 0; border: 1px solid rgba(255,255,255,.24); }
.vclassroom-primer dl div { display: grid; align-content: center; padding: 24px; border-top: 1px solid rgba(255,255,255,.24); }
.vclassroom-primer dl div:first-child { border-top: 0; }
.vclassroom-primer dt { color: #aeb7ff; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.vclassroom-primer dd { margin: 10px 0 0; color: rgba(255,255,255,.76); font-size: 14px; line-height: 1.5; }
.vclassroom-grid article { border-top: 1px solid var(--vg-line); padding-top: 20px; }
.vclassroom-frame { position: relative; margin-bottom: 24px; overflow: hidden; aspect-ratio: 16/9; background: #111; }
.vclassroom-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vclassroom-grid h3 { margin: 18px 0 0; font-family: var(--wp--preset--font-family--heading); font-size: 1.8rem; line-height: 1.05; letter-spacing: -.04em; }
.vclassroom-grid a { display: inline-block; margin-top: 22px; border-bottom: 1px solid currentColor; color: inherit; font-size: 12px; text-decoration: none; }
.vclassroom-empty { text-align: center; }
.vclassroom-empty h2 { margin: 28px auto 0; }
.vclassroom-empty p:not(.vguides-eye) { max-width: 680px; margin: 28px auto 0; color: var(--vg-muted); line-height: 1.7; }
.vclassroom-empty a { color: inherit; }

.vhydrogen-start { padding: 94px 0; background: #ebe4ed; }
.vhydrogen-start > .varticle-shell { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); gap: 72px; align-items: start; }
.vhydrogen-start h2 { margin: 28px 0 0; font-size: clamp(3.2rem,5.5vw,5.6rem); line-height: .93; letter-spacing: -.055em; }
.vhydrogen-start-copy > p:not(.varticle-eye) { max-width: 760px; margin: 28px 0 0; color: #555d58; font-size: 16px; line-height: 1.75; }
.vhydrogen-start-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border: 1px solid rgba(17,19,17,.2); }
.vhydrogen-start-grid article { min-height: 210px; padding: 24px; border-right: 1px solid rgba(17,19,17,.2); border-bottom: 1px solid rgba(17,19,17,.2); }
.vhydrogen-start-grid article:nth-child(even) { border-right: 0; }
.vhydrogen-start-grid article:nth-child(n+3) { border-bottom: 0; }
.vhydrogen-start-grid span { color: #1426b5; font-size: 11px; }
.vhydrogen-start-grid strong { display: block; margin-top: 46px; font-size: 19px; }
.vhydrogen-start-grid p { margin: 14px 0 0; color: #5e6561; font-size: 13px; line-height: 1.6; }

@media (max-width: 900px) {
	.vguidehub-choice-grid,
	.vguidehub-grid,
	.vguidehub-basics-grid { grid-template-columns: 1fr; }
	.vguidehub-basics-head { grid-template-columns: 1fr; }
	.vguidehub-basics-grid>a { min-height: 0; }
	.vguidehub-choice-grid a {
		display: grid;
		min-height: 0;
		grid-template-columns: minmax(0, 1fr) minmax(220px, 34%);
		grid-template-rows: auto auto auto 1fr;
		column-gap: 30px;
	}
	.vguidehub-choice-grid span,
	.vguidehub-choice-grid h2,
	.vguidehub-choice-grid p,
	.vguidehub-choice-grid strong { grid-column: 1; }
	.vguidehub-choice-art {
		width: 100%;
		height: 270px;
		grid-column: 2;
		grid-row: 1 / -1;
		margin: 0;
		align-self: center;
	}
	.vguidehub-choice-grid strong { align-self: end; }
	.vguidehub-classroom-band .vguides-in { grid-template-columns: minmax(0, 1fr) 210px; }
	.vguidehub-classroom-mascot { width: 210px; height: 210px; }
	.vguidehub-classroom-band a { grid-column: 1 / -1; }
	.vguidehub-grid > a,
	.vguidehub-grid > article { min-height: 245px; }
	.vhydrogen-start > .varticle-shell { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
	.vguidehub-choices .vguides-in,
	.vguidehub-principles .vguides-in,
	.vguidehub-section .vguides-in { padding-top: 68px; padding-bottom: 68px; }
	.vguidehub-classroom-band .vguides-in,
	.vguidehub-principles .vguides-in,
	.vguidehub-heading { grid-template-columns: 1fr; }
	.vguidehub-choice-grid a { display: flex; padding: 24px; }
	.vguidehub-choice-art { width: 100%; height: 230px; margin: 12px 0 6px; }
	.vguidehub-choice-grid h2 { font-size: clamp(2.4rem, 12vw, 3.45rem); }
	.vguidehub-classroom-mascot {
		width: min(74vw, 280px);
		height: auto;
		margin: -16px auto -18px;
	}
	.vguidehub-classroom-band a { width: 100%; }
	.vguidehub-hero .vguides-in { grid-template-columns: 1fr; padding-top: 76px; padding-bottom: 72px; }
	.vguidehub-mascot { width: min(76vw, 360px); max-height: 330px; margin: 10px auto -36px; }
	.vguidehub-hero .vguides-eye { margin-top: 52px; }
	.vguidehub-hero h1 { font-size: clamp(3.5rem, 16vw, 5rem); }
	.vguidehub-jumps { top: var(--velta-header-height, 74px); }
	.vguidehub-basics .vguides-in { padding-top: 68px; padding-bottom: 68px; }
	.vguidehub-basics-head h2 { font-size: clamp(3rem,13vw,4.25rem); }
	.vguidehub-basics-grid { margin-top: 42px; }
	.vguidehub-basics-grid>a { padding: 28px 24px 32px; }
	.vguidehub-basics-visual { margin-bottom: 26px; }
	.vclassroom-grid { grid-template-columns: 1fr; }
	.vclassroom-primer { grid-template-columns: 1fr; gap: 38px; margin-bottom: 68px; }
	.vhydrogen-start { padding: 70px 0; }
	.vhydrogen-start-grid { grid-template-columns: 1fr; }
	.vhydrogen-start-grid article,
	.vhydrogen-start-grid article:nth-child(even),
	.vhydrogen-start-grid article:nth-child(n+3) { min-height: 180px; border-right: 0; border-bottom: 1px solid rgba(17,19,17,.2); }
	.vhydrogen-start-grid article:last-child { border-bottom: 0; }
}