:root {
	--bg: #edf1ef;
	--bg-deep: #0c1c1f;
	--panel: rgba(255, 255, 255, 0.7);
	--panel-solid: #f8faf8;
	--line: rgba(12, 28, 31, 0.08);
	--line-strong: rgba(12, 28, 31, 0.16);
	--text: #152325;
	--muted: #5b6c6e;
	--accent: #1d7f6d;
	--accent-strong: #0d5d52;
	--accent-soft: rgba(29, 127, 109, 0.12);
	--danger: #9d3b45;
	--shadow: 0 24px 60px rgba(8, 24, 27, 0.08);
	--radius-lg: 32px;
	--radius-md: 22px;
	--radius-sm: 14px;
	--max-width: 1220px;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: 'IBM Plex Sans', sans-serif;
	color: var(--text);
	background:
		radial-gradient(circle at top left, rgba(29, 127, 109, 0.14), transparent 30%),
		radial-gradient(circle at 80% 10%, rgba(12, 28, 31, 0.08), transparent 22%),
		linear-gradient(180deg, #f5f7f4 0%, var(--bg) 100%);
	min-height: 100vh;
}

body::before {
	content: '';
	position: fixed;
	inset: 0;
	background-image:
		linear-gradient(rgba(12, 28, 31, 0.04) 1px, transparent 1px),
		linear-gradient(90deg, rgba(12, 28, 31, 0.04) 1px, transparent 1px);
	background-size: 34px 34px;
	mask-image: radial-gradient(circle at center, black 42%, transparent 85%);
	pointer-events: none;
}

a {
	color: inherit;
	text-decoration: none;
}

button,
input {
	font: inherit;
}

button {
	cursor: pointer;
}

.page-shell {
	position: relative;
	z-index: 1;
	width: min(var(--max-width), calc(100% - 32px));
	margin: 0 auto;
	padding: 22px 0 80px;
}

.site-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 14px 0 30px;
}

.brandmark {
	display: grid;
	gap: 2px;
}

.brandmark__eyebrow,
.section-kicker,
.eyebrow-chip,
.stock-chip,
.assay-panel__status {
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.72rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

.brandmark__eyebrow,
.section-kicker,
.assay-panel__status,
.eyebrow-chip,
.stock-chip {
	color: var(--muted);
}

.brandmark__title {
	font-family: 'Cormorant Garamond', serif;
	font-size: 2rem;
	font-weight: 600;
	letter-spacing: 0.02em;
}

.site-nav {
	display: flex;
	align-items: center;
	gap: 18px;
	flex-wrap: wrap;
}

.site-nav a {
	padding: 10px 0;
	color: var(--muted);
}

.nav-cart {
	padding: 12px 18px !important;
	border: 1px solid var(--line-strong);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.55);
	color: var(--text) !important;
}

.nav-cart span {
	display: inline-grid;
	place-items: center;
	width: 24px;
	height: 24px;
	margin-left: 8px;
	border-radius: 50%;
	background: var(--accent-soft);
	font-family: 'IBM Plex Mono', monospace;
}

.nav-cart--active {
	border-color: rgba(29, 127, 109, 0.35);
	background: rgba(255, 255, 255, 0.9);
}

.hero,
.checkout-layout,
.detail-hero {
	display: grid;
	grid-template-columns: 1.2fr 0.8fr;
	gap: 28px;
}

.hero {
	padding: 28px 0 48px;
	align-items: stretch;
}

.hero__content,
.hero__panel,
.panel,
.detail-card,
.detail-sidebar {
	border-radius: var(--radius-lg);
	border: 1px solid var(--line);
	box-shadow: var(--shadow);
}

.hero__content {
	padding: 42px;
	background: rgba(255, 255, 255, 0.76);
	backdrop-filter: blur(18px);
}

.hero h1,
.detail-card h1,
.checkout-header h1 {
	margin: 10px 0 18px;
	font-family: 'Cormorant Garamond', serif;
	font-size: clamp(3.1rem, 8vw, 5.6rem);
	line-height: 0.9;
	font-weight: 600;
}

.hero h1 span {
	display: block;
	color: var(--accent-strong);
}

.hero__lede,
.detail-card__lede,
.checkout-header p,
.section-header p,
.stack-card p,
.product-card p,
.cart-row p,
.status-message p {
	color: var(--muted);
	line-height: 1.7;
}

.hero__actions,
.action-stack,
.product-card__footer {
	display: flex;
	gap: 14px;
	flex-wrap: wrap;
}

.hero__chips {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	padding: 0;
	margin: 28px 0 0;
	list-style: none;
}

.hero__chips li,
.eyebrow-chip,
.stock-chip {
	padding: 10px 14px;
	border-radius: 999px;
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.72);
}

.assay-panel {
	padding: 30px;
	background:
		radial-gradient(circle at top left, rgba(29, 127, 109, 0.14), transparent 22%),
		linear-gradient(180deg, rgba(12, 28, 31, 0.98), rgba(16, 37, 41, 0.95));
	color: #e8f4f1;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
}

.assay-panel__header,
.panel__header,
.section-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 18px;
}

.panel__header h2,
.section-header h2,
.detail-recommendations h2 {
	margin: 8px 0 0;
	font-family: 'Cormorant Garamond', serif;
	font-size: 2.4rem;
	font-weight: 600;
}

.assay-metrics {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
	margin: 26px 0;
}

@media (max-width: 520px) {
	.assay-metrics {
		grid-template-columns: 1fr;
	}
}

.assay-metrics article {
	padding: 18px 20px;
	border-radius: var(--radius-md);
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.12);
}

.assay-metrics h2 {
	margin: 0 0 6px;
	font-family: 'Cormorant Garamond', serif;
	font-size: 2rem;
}

.catalog-section,
.protocol-stack,
.detail-recommendations,
.checkout-page {
	padding-top: 24px;
}

.filter-strip {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin: 24px 0 24px;
}

.filter-chip,
.button,
.cart-row__actions button,
.quantity-button {
	border: 1px solid transparent;
	border-radius: 999px;
	transition:
		transform 140ms ease,
		border-color 140ms ease,
		background 140ms ease;
}

.filter-chip {
	padding: 12px 16px;
	background: rgba(255, 255, 255, 0.62);
	border-color: var(--line);
	color: var(--muted);
}

.filter-chip.is-active,
.button--primary {
	background: linear-gradient(135deg, var(--accent), var(--accent-strong));
	color: white;
	border-color: transparent;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 14px 20px;
	min-height: 48px;
}

.button:hover,
.filter-chip:hover,
.cart-row__actions button:hover,
.quantity-button:hover {
	transform: translateY(-1px);
}

.button--secondary {
	background: rgba(12, 28, 31, 0.92);
	color: white;
}

.button--ghost {
	background: rgba(255, 255, 255, 0.68);
	border-color: var(--line-strong);
	color: var(--text);
}

.product-grid,
.stack-grid,
.detail-card__specs {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.protocol-stack .stack-grid--protocol {
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.product-card,
.stack-card,
.cart-row,
.shipping-card,
.status-panel,
.state-message,
.shipping-placeholder,
.status-totals,
.detail-card__specs > div {
	border-radius: var(--radius-md);
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.7);
}

.product-card,
.stack-card {
	padding: 22px;
	box-shadow: var(--shadow);
}

.product-card__header,
.product-card__meta,
.product-card__footer,
.cart-summary,
.status-meta,
.status-total {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.product-card h3,
.stack-card h3,
.cart-row h3 {
	margin: 18px 0 10px;
	font-family: 'Cormorant Garamond', serif;
	font-size: 2rem;
	font-weight: 600;
}

.product-card__meta {
	margin-top: 16px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.85rem;
	color: var(--muted);
}

.product-card__footer {
	margin-top: 22px;
}

.stack-card {
	min-height: 220px;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(245, 249, 247, 0.92));
}

.detail-page {
	display: grid;
	gap: 28px;
}

.back-link {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: var(--muted);
}

.detail-card {
	padding: 36px;
	background: rgba(255, 255, 255, 0.78);
	backdrop-filter: blur(18px);
}

.detail-sidebar {
	padding: 26px;
	background: linear-gradient(180deg, rgba(12, 28, 31, 0.96), rgba(16, 37, 41, 0.92));
	color: #effaf6;
}

.detail-card__lede {
	max-width: 62ch;
}

.detail-card__specs {
	margin: 28px 0;
}

.detail-card__specs > div {
	padding: 18px;
}

.detail-card__specs span,
.status-meta span,
.status-total span,
.cart-summary span {
	display: block;
	margin-bottom: 6px;
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.75rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--muted);
}

.detail-card__notice {
	padding: 18px 20px;
	border-left: 4px solid var(--accent);
	background: rgba(29, 127, 109, 0.08);
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.panel {
	padding: 26px;
}

.panel--glass {
	background: rgba(255, 255, 255, 0.72);
	backdrop-filter: blur(18px);
}

.panel--solid {
	background: linear-gradient(180deg, rgba(12, 28, 31, 0.95), rgba(16, 37, 41, 0.9));
	color: #eef6f4;
}

.checkout-page {
	display: grid;
	gap: 24px;
}

.checkout-header {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 24px;
}

.checkout-column {
	display: grid;
	gap: 18px;
}

.checkout-column--sidebar {
	align-content: start;
}

.checkout-form {
	margin-top: 16px;
}

.form-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.form-grid__full {
	grid-column: 1 / -1;
}

label {
	display: grid;
	gap: 8px;
}

label span {
	font-family: 'IBM Plex Mono', monospace;
	font-size: 0.72rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--muted);
}

input {
	width: 100%;
	padding: 13px 14px;
	border-radius: var(--radius-sm);
	border: 1px solid var(--line-strong);
	background: rgba(255, 255, 255, 0.92);
	color: var(--text);
}

.panel--solid input {
	background: rgba(255, 255, 255, 0.08);
	border-color: rgba(255, 255, 255, 0.18);
	color: white;
}

.panel--solid input::placeholder {
	color: rgba(255, 255, 255, 0.5);
}

.shipping-options {
	margin-top: 18px;
}

.shipping-list {
	display: grid;
	gap: 12px;
}

.shipping-card,
.cart-row,
.status-panel,
.state-message,
.shipping-placeholder {
	padding: 18px;
}

.shipping-card {
	display: flex;
	gap: 14px;
	cursor: pointer;
}

.shipping-card input {
	width: auto;
	margin-top: 4px;
}

.quantity-picker {
	display: grid;
	grid-template-columns: 48px 1fr 48px;
	gap: 12px;
	margin: 22px 0 16px;
}

.quantity-button,
.cart-row__actions button {
	padding: 12px 14px;
	background: rgba(255, 255, 255, 0.7);
	border-color: var(--line);
}

.quantity-picker input {
	text-align: center;
}

.action-stack {
	margin: 22px 0;
}

.action-stack .button {
	width: 100%;
}

.status-message {
	margin-bottom: 18px;
}

.status-message--error {
	border-color: rgba(157, 59, 69, 0.35);
	background: rgba(157, 59, 69, 0.12);
}

.status-list {
	margin: 18px 0 0;
	padding-left: 18px;
	display: grid;
	gap: 8px;
}

.status-error {
	color: var(--danger);
}

.status-totals {
	display: grid;
	gap: 12px;
	padding: 16px;
	margin-top: 18px;
}

.cart-list {
	display: grid;
	gap: 12px;
}

.cart-row {
	display: grid;
	grid-template-columns: 1fr auto;
	gap: 18px;
}

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

.cart-row__price {
	font-family: 'IBM Plex Mono', monospace;
	color: var(--muted);
}

.cart-summary {
	margin-top: 18px;
	padding: 18px 0 0;
	border-top: 1px solid var(--line);
}

.state-message,
.shipping-placeholder {
	min-height: 140px;
	display: grid;
	place-items: center;
	text-align: center;
}

.panel__header--nested {
	margin-bottom: 14px;
}

@media (max-width: 1040px) {
	.hero,
	.checkout-layout,
	.detail-hero,
	.checkout-header,
	.section-header,
	.site-header {
		grid-template-columns: 1fr;
		display: grid;
	}

	.product-grid,
	.stack-grid,
	.detail-card__specs {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

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

@media (max-width: 720px) {
	.page-shell {
		width: min(var(--max-width), calc(100% - 20px));
	}

	.hero__content,
	.hero__panel,
	.panel,
	.detail-card,
	.detail-sidebar {
		padding: 22px;
	}

	.hero h1,
	.detail-card h1,
	.checkout-header h1 {
		font-size: clamp(2.6rem, 18vw, 4rem);
	}

	.product-grid,
	.stack-grid,
	.detail-card__specs,
	.form-grid {
		grid-template-columns: 1fr;
	}

	.cart-row {
		grid-template-columns: 1fr;
	}

	.site-nav,
	.hero__actions,
	.action-stack,
	.product-card__footer {
		flex-direction: column;
		align-items: stretch;
	}
}