:root {
	--oxf-ink: #172126;
	--oxf-muted: #5a6a70;
	--oxf-teal: #0e7c86;
	--oxf-teal-dark: #0a626a;
	--oxf-red: #d4312c;
	--oxf-amber: #c6862b;
	--oxf-lab: #e7f4f7;
	--oxf-paper: #ffffff;
	--oxf-identity-deep: #064f5a;
	--oxf-identity-filter: brightness(0) invert(1);
	--oxf-line: rgba(23, 33, 38, 0.12);
	--oxf-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 12px 30px rgba(23, 33, 38, 0.08);
	--oxf-shadow-hover: 0 0 0 1px rgba(0, 0, 0, 0.08), 0 16px 36px rgba(23, 33, 38, 0.12);
	--oxf-font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	--oxf-font-display: Georgia, "Times New Roman", serif;
	--oxf-font-mono: "IBM Plex Mono", Consolas, "Liberation Mono", monospace;
}

* {
	box-sizing: border-box;
}

html {
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--oxf-paper);
	color: var(--oxf-ink);
	font-family: var(--oxf-font-body);
	font-size: 16px;
	line-height: 1.6;
}

img {
	max-width: 100%;
	height: auto;
	outline: 1px solid rgba(0, 0, 0, 0.1);
	outline-offset: -1px;
}

a {
	color: var(--oxf-teal);
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.18em;
}

h1,
h2,
h3 {
	margin: 0;
	font-family: var(--oxf-font-display);
	font-weight: 700;
	line-height: 1.05;
	letter-spacing: 0;
	text-wrap: balance;
}

h1 {
	font-size: clamp(2.7rem, 7vw, 5.8rem);
	max-width: 10.5ch;
}

h2 {
	font-size: clamp(2rem, 4vw, 3.6rem);
}

p,
li,
summary,
small {
	text-wrap: pretty;
}

.screen-reader-text,
.skip-link:not(:focus) {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	position: fixed;
	z-index: 1000;
	top: 16px;
	left: 16px;
	padding: 12px 16px;
	background: var(--oxf-ink);
	color: #fff;
}

.container {
	width: min(1120px, calc(100% - 40px));
	margin: 0 auto;
}

.site-header {
	position: sticky;
	top: 0;
	z-index: 20;
	background: rgba(255, 255, 255, 0.94);
	backdrop-filter: blur(12px);
	box-shadow: 0 1px 0 rgba(23, 33, 38, 0.08);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	width: min(1120px, calc(100% - 40px));
	min-height: 76px;
	margin: 0 auto;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--oxf-ink);
	text-decoration: none;
}

.brand__mark {
	width: 44px;
	height: 44px;
	flex: 0 0 auto;
	border-radius: 10px;
	background: var(--oxf-identity-deep);
	box-shadow: var(--oxf-shadow);
	overflow: hidden;
}

.brand__mark img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	filter: var(--oxf-identity-filter);
	opacity: 0.95;
	outline: 0;
}

.brand__text {
	display: grid;
	line-height: 1.1;
}

.brand__name {
	font-weight: 800;
	font-size: 1.2rem;
}

.brand__tagline {
	color: var(--oxf-muted);
	font-family: var(--oxf-font-mono);
	font-size: 0.68rem;
	text-transform: uppercase;
}

.primary-nav,
.primary-nav__list {
	display: flex;
	align-items: center;
	gap: 20px;
}

.primary-nav__list {
	padding: 0;
	margin: 0;
	list-style: none;
}

.primary-nav a {
	color: var(--oxf-ink);
	font-weight: 700;
	text-decoration: none;
	transition-property: color;
	transition-duration: 160ms;
}

.primary-nav a:hover {
	color: var(--oxf-teal);
}

.cart-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 44px;
	padding: 0 14px;
	border-radius: 8px;
	box-shadow: var(--oxf-shadow);
}

.cart-link__count {
	display: inline-grid;
	place-items: center;
	min-width: 22px;
	height: 22px;
	border-radius: 999px;
	background: var(--oxf-teal);
	color: #fff;
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
}

.nav-toggle {
	display: none;
	min-width: 44px;
	min-height: 44px;
	border: 0;
	background: transparent;
}

.nav-toggle__line,
.nav-toggle__line::before,
.nav-toggle__line::after {
	display: block;
	width: 24px;
	height: 2px;
	background: var(--oxf-ink);
	content: "";
}

.nav-toggle__line::before {
	transform: translateY(-7px);
}

.nav-toggle__line::after {
	transform: translateY(5px);
}

.section-band {
	padding: clamp(64px, 9vw, 116px) 0;
}

.section-band--light {
	background: var(--oxf-lab);
}

.hero {
	position: relative;
	overflow: hidden;
}

.hero::before {
	content: "";
	position: absolute;
	inset: 10% -20% auto auto;
	width: 58vw;
	height: 58vw;
	max-width: 760px;
	max-height: 760px;
	background:
		linear-gradient(90deg, rgba(212, 49, 44, 0.18) 0 2px, transparent 2px 100%),
		radial-gradient(circle at 45% 45%, rgba(14, 124, 134, 0.18), transparent 62%);
	transform: rotate(-18deg);
	pointer-events: none;
}

.hero__grid {
	position: relative;
	display: grid;
	grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.78fr);
	gap: clamp(32px, 6vw, 72px);
	align-items: center;
}

.hero__copy {
	display: grid;
	gap: 24px;
}

.eyebrow {
	margin: 0;
	color: var(--oxf-teal);
	font-family: var(--oxf-font-mono);
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0;
	text-transform: uppercase;
}

.lead {
	max-width: 62ch;
	margin: 0;
	color: var(--oxf-muted);
	font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

.button,
.button.alt,
.woocommerce button.button,
.woocommerce a.button,
.woocommerce input.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 46px;
	padding: 0 20px;
	border: 0;
	border-radius: 8px;
	font-weight: 800;
	line-height: 1;
	text-decoration: none;
	cursor: pointer;
	transition-property: background-color, color, box-shadow, scale;
	transition-duration: 160ms;
	transition-timing-function: ease-out;
}

.button:active,
.woocommerce button.button:active,
.woocommerce a.button:active,
.woocommerce input.button:active {
	scale: 0.96;
}

.button:disabled,
.woocommerce button.button:disabled,
.woocommerce input.button:disabled {
	cursor: wait;
	opacity: 0.68;
}

.button--primary,
.woocommerce button.button,
.woocommerce a.button,
.woocommerce input.button {
	background: var(--oxf-teal);
	color: #fff;
	box-shadow: var(--oxf-shadow);
}

.button--primary:hover,
.woocommerce button.button:hover,
.woocommerce a.button:hover,
.woocommerce input.button:hover {
	background: var(--oxf-teal-dark);
	color: #fff;
	box-shadow: var(--oxf-shadow-hover);
}

.button--secondary {
	background: #fff;
	color: var(--oxf-ink);
	box-shadow: var(--oxf-shadow);
}

.button--secondary:hover {
	color: var(--oxf-teal);
	box-shadow: var(--oxf-shadow-hover);
}

.button--full {
	width: 100%;
}

.oxf-notice {
	display: grid;
	gap: 4px;
	max-width: 660px;
	padding: 14px 16px;
	border-left: 4px solid var(--oxf-red);
	border-radius: 0 8px 8px 0;
	background: rgba(212, 49, 44, 0.06);
	color: var(--oxf-ink);
}

.oxf-notice span {
	color: var(--oxf-muted);
}

.buy-panel {
	border-radius: 16px;
	background: #fff;
	box-shadow: var(--oxf-shadow);
	overflow: hidden;
}

.buy-panel--identity {
	background: linear-gradient(180deg, #f7fcfd 0%, #fff 58%);
}

.buy-panel__image {
	display: block;
	padding: 16px 16px 0;
}

.buy-panel__image img {
	display: block;
	width: 100%;
	border-radius: 8px;
}

.buy-panel__organism {
	display: block;
	padding: 18px 18px 0;
	background:
		radial-gradient(circle at 50% 38%, rgba(255, 255, 255, 0.08), transparent 58%),
		var(--oxf-identity-deep);
}

.buy-panel__organism img {
	display: block;
	width: 100%;
	max-height: 330px;
	object-fit: contain;
	border-radius: 8px;
	filter: var(--oxf-identity-filter) drop-shadow(0 10px 24px rgba(7, 36, 42, 0.24));
	opacity: 0.94;
}

.buy-panel__body {
	display: grid;
	gap: 14px;
	padding: 20px;
}

.buy-panel__body--compact {
	grid-template-columns: 88px minmax(0, 1fr);
	align-items: center;
}

.buy-panel__details {
	display: grid;
	gap: 8px;
	min-width: 0;
}

.buy-panel__thumb {
	display: block;
	width: 88px;
	height: 88px;
	border-radius: 8px;
	background: #fff;
	box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.06), 0 8px 18px rgba(23, 33, 38, 0.08);
	overflow: hidden;
}

.buy-panel__thumb img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 8px;
}

.buy-panel__body--compact .button {
	grid-column: 1 / -1;
}

.buy-panel h2 {
	font-family: var(--oxf-font-body);
	font-size: 1.25rem;
	line-height: 1.25;
}

.status-pill {
	justify-self: start;
	margin: 0;
	padding: 5px 9px;
	border-radius: 999px;
	background: rgba(14, 124, 134, 0.1);
	color: var(--oxf-teal-dark);
	font-family: var(--oxf-font-mono);
	font-size: 0.75rem;
	font-weight: 700;
}

.price-line {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 10px;
	margin: 0;
	font-size: 1.3rem;
	font-weight: 800;
	font-variant-numeric: tabular-nums;
}

.shipping-badge {
	display: inline-flex;
	align-items: center;
	min-height: 26px;
	padding: 5px 9px;
	border-radius: 999px;
	background: rgba(14, 124, 134, 0.1);
	color: var(--oxf-teal-dark);
	box-shadow: 0 0 0 1px rgba(14, 124, 134, 0.14);
	font-family: var(--oxf-font-mono);
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	line-height: 1;
	white-space: nowrap;
}

.woocommerce .price .shipping-badge {
	margin-left: 8px;
	vertical-align: 0.14em;
}

.woocommerce ul.products li.product .price .shipping-badge {
	margin-top: 6px;
	margin-left: 0;
}

.trust-strip {
	padding: 18px 0;
	background: var(--oxf-ink);
	color: #fff;
}

.trust-strip__grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
}

.trust-strip__grid div {
	display: grid;
	gap: 2px;
	color: rgba(255, 255, 255, 0.76);
	font-size: 0.9rem;
}

.trust-strip__grid span {
	color: #fff;
	font-family: var(--oxf-font-mono);
	font-weight: 800;
}

.split {
	display: grid;
	grid-template-columns: 0.8fr 1fr;
	gap: clamp(28px, 6vw, 72px);
	align-items: start;
}

.split--center {
	align-items: center;
}

.prose {
	color: var(--oxf-muted);
}

.prose p:first-child {
	margin-top: 0;
}

.prose--measure {
	max-width: 760px;
}

.section-heading {
	display: grid;
	gap: 10px;
	max-width: 760px;
	margin-bottom: 28px;
}

.composition-grid,
.evidence-grid,
.product-facts {
	display: grid;
	gap: 14px;
}

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

.composition-grid div,
.product-facts div,
.evidence-card,
.faq-item {
	border-radius: 8px;
	background: #fff;
	box-shadow: var(--oxf-shadow);
}

.composition-grid div,
.product-facts div {
	display: grid;
	gap: 5px;
	padding: 18px;
}

.composition-grid span,
.product-facts span {
	color: var(--oxf-muted);
	font-family: var(--oxf-font-mono);
	font-size: 0.82rem;
}

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

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

.evidence-card {
	display: grid;
	gap: 10px;
	padding: 20px;
	color: var(--oxf-ink);
	text-decoration: none;
	transition-property: box-shadow, transform;
	transition-duration: 180ms;
}

.evidence-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--oxf-shadow-hover);
}

.evidence-card span {
	color: var(--oxf-amber);
	font-family: var(--oxf-font-mono);
	font-size: 0.72rem;
	font-weight: 800;
	text-transform: uppercase;
}

.evidence-card small,
.evidence-card p {
	margin: 0;
	color: var(--oxf-muted);
}

.page-hero h1 {
	max-width: 13ch;
}

.faq-list {
	display: grid;
	gap: 14px;
	max-width: 820px;
}

.faq-item {
	padding: 0;
}

.faq-item summary {
	min-height: 54px;
	padding: 16px 18px;
	font-weight: 800;
	cursor: pointer;
}

.faq-item p {
	margin: 0;
	padding: 0 18px 18px;
	color: var(--oxf-muted);
}

.contact-layout {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(280px, 0.45fr);
	gap: clamp(24px, 5vw, 56px);
	align-items: start;
}

.contact-panel,
.contact-aside {
	border-radius: 12px;
	background: #fff;
	box-shadow: var(--oxf-shadow);
}

.contact-panel {
	padding: clamp(22px, 4vw, 36px);
}

.contact-aside {
	display: grid;
	gap: 14px;
	padding: 24px;
}

.contact-panel h2,
.contact-aside h2 {
	font-family: var(--oxf-font-body);
	font-size: 1.35rem;
	line-height: 1.25;
}

.contact-aside p {
	margin: 0;
	color: var(--oxf-muted);
}

.contact-form {
	display: grid;
	gap: 10px;
	margin-top: 20px;
}

.contact-form label {
	font-weight: 800;
}

.contact-form input,
.contact-form textarea {
	width: 100%;
	border: 0;
	border-radius: 8px;
	background: #f7fbfc;
	box-shadow: inset 0 0 0 1px var(--oxf-line);
	color: var(--oxf-ink);
	font: inherit;
}

.contact-form input {
	min-height: 46px;
	padding: 0 14px;
}

.contact-form textarea {
	min-height: 160px;
	padding: 12px 14px;
	resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
	outline: 3px solid rgba(14, 124, 134, 0.18);
	box-shadow: inset 0 0 0 2px var(--oxf-teal);
}

.contact-form__note {
	margin: 8px 0 0;
	color: var(--oxf-muted);
	font-size: 0.92rem;
}

.form-status {
	margin: 14px 0 0;
	padding: 12px 14px;
	border-radius: 8px;
	font-weight: 700;
}

.form-status--success {
	background: rgba(14, 124, 134, 0.1);
	color: var(--oxf-teal-dark);
}

.form-status--error {
	background: rgba(212, 49, 44, 0.08);
	color: #9f211d;
}

.site-footer {
	padding: 44px 0;
	background: var(--oxf-ink);
	color: rgba(255, 255, 255, 0.72);
}

.site-footer__inner {
	display: flex;
	justify-content: space-between;
	gap: 24px;
	width: min(1120px, calc(100% - 40px));
	margin: 0 auto;
}

.site-footer__brand {
	margin: 0;
	color: #fff;
	font-weight: 800;
}

.footer-nav {
	display: flex;
	gap: 16px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.footer-nav a {
	color: #fff;
	text-decoration: none;
}

.commerce-shell .woocommerce {
	max-width: 100%;
}

.oxf-product__grid {
	display: grid;
	grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1fr);
	gap: clamp(32px, 6vw, 72px);
	align-items: start;
}

.oxf-product__media img {
	display: block;
	width: 100%;
	border-radius: 8px;
}

.oxf-product__summary {
	display: grid;
	gap: 18px;
}

.oxf-product__summary h1 {
	font-size: clamp(2.4rem, 5vw, 4.6rem);
	max-width: 12ch;
}

.product-title__pack {
	display: inline-block;
	font-size: 0.74em;
	line-height: 1.05;
	white-space: nowrap;
}

.product-intro,
.sku-line {
	margin: 0;
	color: var(--oxf-muted);
}

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

.product-section {
	margin-top: clamp(56px, 8vw, 92px);
	padding: clamp(30px, 5vw, 48px);
	border-radius: 12px;
	box-shadow: var(--oxf-shadow);
}

.product-section--light {
	background: var(--oxf-lab);
}

.product-section h2 {
	margin-bottom: 22px;
}

.quantity .qty {
	width: 76px;
	min-height: 46px;
	border: 1px solid var(--oxf-line);
	border-radius: 8px;
	text-align: center;
	font: inherit;
	font-variant-numeric: tabular-nums;
}

form.cart {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	align-items: center;
}

@media (max-width: 860px) {
	.nav-toggle {
		display: inline-grid;
		place-items: center;
	}

	.primary-nav {
		position: absolute;
		top: 76px;
		left: 20px;
		right: 20px;
		display: none;
		align-items: stretch;
		padding: 14px;
		border-radius: 12px;
		background: #fff;
		box-shadow: var(--oxf-shadow-hover);
	}

	.primary-nav.is-open {
		display: grid;
	}

	.primary-nav__list {
		display: grid;
		gap: 8px;
	}

	.primary-nav a,
	.cart-link {
		justify-content: flex-start;
		min-height: 44px;
	}

	.hero__grid,
	.split,
	.oxf-product__grid {
		grid-template-columns: 1fr;
	}

	.hero__copy {
		order: 2;
	}

	.buy-panel {
		order: 1;
	}

	.trust-strip__grid,
	.composition-grid,
	.evidence-grid,
	.evidence-grid--wide,
	.product-facts,
	.contact-layout {
		grid-template-columns: 1fr;
	}

	h1 {
		font-size: clamp(2.45rem, 13vw, 4rem);
	}

	.site-footer__inner,
	.footer-nav {
		display: grid;
	}
}

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}