/* Biotech Site Core — design system and WooCommerce layout layer.
   Palette is taken from the product labels: brand blue #167FC4, label ink #191A23. */

:root {
	--bp-blue: #167fc4;
	--bp-blue-700: #0f639b;
	--bp-blue-50: #eaf4fb;
	--bp-navy: #0b2540;
	--bp-ink: #15202b;
	--bp-text: #3a4756;
	--bp-muted: #5f6f81;
	--bp-line: #dde4ec;
	--bp-surface: #f4f7fa;
	--bp-label-bg: #f7f7f7;
	--bp-white: #fff;
	--bp-success: #17784a;
	--bp-danger: #b42318;
	--bp-radius: 12px;
	--bp-radius-sm: 8px;
	--bp-shadow: 0 1px 2px rgba(11, 37, 64, .06), 0 4px 16px rgba(11, 37, 64, .06);
	--bp-shadow-lg: 0 10px 30px rgba(11, 37, 64, .12);
	--bp-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
	--bp-container: 1240px;
	--bp-gutter: 16px;
}
@media (min-width: 768px) { :root { --bp-gutter: 24px; } }

/* ---------- Base ---------- */
html { -webkit-text-size-adjust: 100%; }
body {
	font-family: var(--bp-font);
	color: var(--bp-text);
	background: var(--bp-white);
	font-size: 16px;
	line-height: 1.6;
	overflow-x: clip;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--bp-font); color: var(--bp-ink); line-height: 1.2; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(1.75rem, 1.3rem + 2vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 1.15rem + 1.1vw, 2rem); }
h3 { font-size: 1.2rem; }
a { color: var(--bp-blue-700); }
a:hover, a:focus { color: var(--bp-blue); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid rgba(22, 127, 196, .45); outline-offset: 2px; }
.bp-container { max-width: var(--bp-container); margin-inline: auto; padding-inline: var(--bp-gutter); }
.bp-muted { color: var(--bp-muted); }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }

/* Hello Elementor content width for non-Elementor templates (shop, product, cart…) */
body:not([class*="elementor-page-"]) .site-main,
.site-main.post-type-archive-product,
.woocommerce .site-main {
	max-width: var(--bp-container);
	margin-inline: auto;
	padding-inline: var(--bp-gutter);
	width: 100%;
	box-sizing: border-box;
}
.site-main { padding-block: 28px 56px; }
.elementor-page .site-main { padding-block: 0; }
.page-header .entry-title, .woocommerce-products-header__title { margin: 8px 0 12px; }

/* ---------- Buttons ---------- */
.button, button.button, a.button, input[type="submit"].button,
.woocommerce a.button, .woocommerce button.button, .woocommerce .button.alt,
.woocommerce #respond input#submit, .wc-block-components-button:not(.is-link) {
	background: var(--bp-blue);
	color: var(--bp-white);
	border: 0;
	border-radius: var(--bp-radius-sm);
	font-family: var(--bp-font);
	font-weight: 600;
	font-size: .95rem;
	line-height: 1.2;
	padding: 12px 20px;
	min-height: 44px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	text-decoration: none;
	cursor: pointer;
	transition: background-color .15s ease;
}
.button:hover, .woocommerce a.button:hover, .woocommerce button.button:hover, .woocommerce .button.alt:hover,
.wc-block-components-button:not(.is-link):hover { background: var(--bp-blue-700); color: var(--bp-white); }
.woocommerce a.button.disabled, .woocommerce button.button:disabled { opacity: .55; }
.woocommerce a.added_to_cart { display: inline-block; margin-top: 8px; font-size: .9rem; font-weight: 600; }

input[type="text"], input[type="email"], input[type="tel"], input[type="search"], input[type="number"],
input[type="password"], input[type="url"], select, textarea {
	font-family: var(--bp-font);
	font-size: 16px; /* prevents iOS zoom on focus */
	border: 1px solid var(--bp-line);
	border-radius: var(--bp-radius-sm);
	padding: 10px 12px;
	min-height: 44px;
	background: var(--bp-white);
	color: var(--bp-ink);
	max-width: 100%;
	box-sizing: border-box;
}
input:focus, select:focus, textarea:focus { border-color: var(--bp-blue); outline: none; box-shadow: 0 0 0 3px rgba(22, 127, 196, .18); }

/* ---------- Announcement + header ---------- */
.bp-announce { background: var(--bp-navy); color: #d7e6f3; font-size: .8rem; text-align: center; padding: 7px 0; letter-spacing: .01em; }
.bp-header { position: sticky; top: 0; z-index: 100; background: var(--bp-white); border-bottom: 1px solid var(--bp-line); }
.admin-bar .bp-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .bp-header { top: 0; } }

.bp-header__row {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	grid-template-areas: "logo search actions";
	align-items: center;
	gap: 24px;
	padding-block: 12px;
}
.bp-header .bp-menu-toggle { grid-area: toggle; display: none; }
.bp-logo { grid-area: logo; display: block; line-height: 0; }
.bp-logo img { height: 60px; width: auto; filter: brightness(1.035); /* lifts the label's #f7f7f7 ground to white */ }
.bp-wordmark { display: inline-flex; flex-direction: column; font-style: italic; font-weight: 800; line-height: .95; letter-spacing: .01em; }
.bp-wordmark__a { font-size: 1.45rem; color: var(--bp-ink); }
.bp-wordmark__b { font-size: 1.45rem; font-weight: 500; color: var(--bp-blue); }
.bp-footer .bp-wordmark { margin-bottom: 14px; }
.bp-footer .bp-wordmark__a { color: #fff; }
.bp-footer .bp-wordmark__b { color: #5aafeb; }
.bp-search { grid-area: search; position: relative; display: flex; max-width: 640px; width: 100%; justify-self: center; }
.bp-search input[type="search"] {
	width: 100%;
	padding: 10px 52px 10px 16px;
	border-radius: 999px;
	background: var(--bp-surface);
	border-color: transparent;
}
.bp-search input[type="search"]:focus { background: var(--bp-white); border-color: var(--bp-blue); }
.bp-search__btn {
	position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
	width: 40px; height: 40px; border-radius: 999px; border: 0; padding: 0;
	background: var(--bp-blue); color: var(--bp-white); display: grid; place-items: center; cursor: pointer;
}
.bp-search__btn:hover { background: var(--bp-blue-700); }
.bp-search__btn .bp-ico { width: 18px; height: 18px; }
.bp-search__results {
	position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 120;
	background: var(--bp-white); border: 1px solid var(--bp-line); border-radius: var(--bp-radius);
	box-shadow: var(--bp-shadow-lg); overflow: hidden; max-height: min(70vh, 520px); overflow-y: auto;
}
.bp-search__results a { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 8px 12px; text-decoration: none; color: var(--bp-ink); }
.bp-search__results a:hover, .bp-search__results a[aria-selected="true"] { background: var(--bp-blue-50); }
.bp-search__results img { width: 44px; height: 55px; object-fit: contain; background: var(--bp-label-bg); border-radius: 6px; }
.bp-search__results .bp-sr-name { font-weight: 600; font-size: .92rem; line-height: 1.3; }
.bp-search__results .bp-sr-price { font-size: .88rem; color: var(--bp-muted); white-space: nowrap; }
.bp-search__results .bp-sr-all { display: block; padding: 10px 12px; font-weight: 600; text-align: center; border-top: 1px solid var(--bp-line); color: var(--bp-blue-700); }
.bp-search__results .bp-sr-empty { padding: 12px; font-size: .9rem; color: var(--bp-muted); }

.bp-header__actions { grid-area: actions; display: flex; align-items: center; gap: 6px; }
.bp-action, .bp-icon-btn {
	position: relative; display: inline-flex; align-items: center; gap: 6px;
	min-height: 44px; min-width: 44px; padding: 0 10px; border-radius: var(--bp-radius-sm);
	color: var(--bp-ink); text-decoration: none; font-weight: 600; font-size: .9rem;
	background: none; border: 0; cursor: pointer;
}
.bp-action:hover, .bp-icon-btn:hover { background: var(--bp-surface); color: var(--bp-ink); }
.bp-cart-count {
	position: absolute; top: 4px; left: 24px; min-width: 18px; height: 18px; padding: 0 5px;
	border-radius: 999px; background: var(--bp-blue); color: var(--bp-white);
	font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; box-sizing: border-box;
}
.bp-cart-count[data-count="0"] { background: #9aa8b6; }

/* Main nav */
.bp-nav { border-top: 1px solid var(--bp-line); }
.bp-menu, .bp-menu ul { list-style: none; margin: 0; padding: 0; }
.bp-menu { display: flex; flex-wrap: wrap; gap: 4px; }
.bp-menu > li { position: relative; }
.bp-menu a { display: flex; align-items: center; min-height: 44px; padding: 0 14px; color: var(--bp-ink); text-decoration: none; font-weight: 600; font-size: .93rem; border-radius: var(--bp-radius-sm); }
.bp-menu a:hover, .bp-menu .current-menu-item > a { color: var(--bp-blue-700); }
.bp-menu > li.menu-item-has-children > a::after { content: ""; width: 7px; height: 7px; margin-left: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-3px); }
.bp-menu .sub-menu {
	position: absolute; top: 100%; left: 0; z-index: 110; min-width: 280px; padding: 8px;
	background: var(--bp-white); border: 1px solid var(--bp-line); border-radius: var(--bp-radius); box-shadow: var(--bp-shadow-lg);
	opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .15s ease, transform .15s ease, visibility .15s;
}
.bp-menu li:hover > .sub-menu, .bp-menu li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.bp-menu .sub-menu a { font-weight: 500; min-height: 40px; }
.bp-menu .sub-menu a:hover { background: var(--bp-surface); }

@media (max-width: 1023px) {
	.bp-header__row {
		grid-template-columns: auto minmax(0, 1fr) auto;
		grid-template-areas: "toggle logo actions" "search search search";
		gap: 8px 8px;
		padding-block: 8px 10px;
	}
	.bp-header .bp-menu-toggle { display: inline-flex; }
	.bp-logo { justify-self: start; }
	.bp-logo img { height: 48px; }
	.bp-search { max-width: none; }
	.bp-action__label { display: none; }
	.bp-cart-count { left: 26px; }
	.bp-nav {
		position: fixed; inset: 0 auto 0 0; z-index: 200; width: min(86vw, 360px);
		background: var(--bp-white); border: 0; box-shadow: var(--bp-shadow-lg);
		transform: translateX(-100%); transition: transform .2s ease; overflow-y: auto; padding: 64px 0 24px;
		visibility: hidden;
	}
	.bp-nav.is-open { transform: none; visibility: visible; }
	.bp-nav-backdrop { position: fixed; inset: 0; z-index: 190; background: rgba(11, 37, 64, .45); }
	.bp-nav-close { position: absolute; top: 10px; right: 10px; }
	.bp-menu { flex-direction: column; gap: 0; }
	.bp-menu a { min-height: 48px; border-bottom: 1px solid var(--bp-line); border-radius: 0; }
	.bp-menu > li.menu-item-has-children > a::after { display: none; }
	.bp-menu .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 12px; min-width: 0; }
	.bp-menu .sub-menu a { font-size: .9rem; color: var(--bp-text); }
	body.bp-nav-open { overflow: hidden; }
}
@media (min-width: 1024px) { .bp-nav-close, .bp-nav-backdrop { display: none !important; } }

/* ---------- Footer ---------- */
.bp-footer { background: var(--bp-navy); color: #c4d3e2; margin-top: 0; padding-top: 56px; font-size: .93rem; }
.bp-footer a { color: #e6eef6; text-decoration: none; }
.bp-footer a:hover { color: #fff; text-decoration: underline; }
.bp-footer__grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 40px; padding-bottom: 40px; }
.bp-footer__brand p { max-width: 34ch; margin: 0 0 14px; }
.bp-footer__email { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.bp-footer__email .bp-ico { width: 18px; height: 18px; }
.bp-footer__title { color: #fff; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 14px; }
.bp-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.bp-footer__legal { border-top: 1px solid rgba(255, 255, 255, .12); padding-block: 22px 28px; font-size: .82rem; color: #9fb3c7; }
.bp-footer__legal p { margin: 0 0 8px; max-width: 100ch; }
.bp-footer__legal strong { color: #e6eef6; }
@media (max-width: 900px) { .bp-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; } .bp-footer__brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .bp-footer__grid { grid-template-columns: 1fr; } }

/* ---------- Product grid (shop, categories, shortcodes, related) ---------- */
.woocommerce ul.products, .woocommerce-page ul.products {
	display: grid !important;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 20px;
	margin: 0 0 32px !important;
	padding: 0;
	list-style: none;
}
.woocommerce ul.products::before, .woocommerce ul.products::after,
.woocommerce-page ul.products::before, .woocommerce-page ul.products::after { display: none !important; content: none !important; }
@media (max-width: 1100px) { .woocommerce ul.products, .woocommerce-page ul.products { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 767px) { .woocommerce ul.products, .woocommerce-page ul.products { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; } }

.woocommerce ul.products li.product, .woocommerce-page ul.products li.product {
	float: none !important;
	width: auto !important;
	margin: 0 !important;
	padding: 12px 12px 14px;
	display: flex;
	flex-direction: column;
	background: var(--bp-white);
	border: 1px solid var(--bp-line);
	border-radius: var(--bp-radius);
	transition: box-shadow .15s ease, border-color .15s ease;
	position: relative;
	min-width: 0;
}
.woocommerce ul.products li.product:hover { box-shadow: var(--bp-shadow); border-color: #c9d5e2; }
.woocommerce ul.products li.product a.woocommerce-LoopProduct-link { display: flex; flex-direction: column; flex: 1; text-decoration: none; color: inherit; }
.woocommerce ul.products li.product a img {
	width: 100%;
	height: auto;
	aspect-ratio: 800 / 1008;
	object-fit: contain;
	background: var(--bp-label-bg);
	border-radius: var(--bp-radius-sm);
	margin: 0 0 12px !important;
	box-shadow: none;
}
.woocommerce ul.products li.product .woocommerce-loop-product__title {
	font-size: .98rem !important;
	font-weight: 600;
	color: var(--bp-ink);
	line-height: 1.35;
	padding: 0 !important;
	margin: 0 0 8px;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	overflow-wrap: anywhere;
}
.woocommerce ul.products li.product .price {
	color: var(--bp-ink) !important;
	font-weight: 700;
	font-size: 1rem !important;
	margin: auto 0 10px !important;
}
.woocommerce ul.products li.product .price del { color: var(--bp-muted); font-weight: 400; }
.woocommerce ul.products li.product .price ins { text-decoration: none; }
.woocommerce ul.products li.product .button { display: flex !important; align-items: center; justify-content: center; text-align: center; width: 100%; margin: 0 !important; box-sizing: border-box; }
.woocommerce ul.products li.product .onsale, .woocommerce span.onsale {
	background: var(--bp-blue); color: #fff; border-radius: 999px; min-height: 0; min-width: 0;
	line-height: 1; padding: 6px 10px; font-size: .75rem; font-weight: 700; top: 18px; left: 18px; right: auto; margin: 0;
}
.woocommerce ul.products li.product .bp-oos { font-size: .78rem; font-weight: 600; color: var(--bp-danger); margin: -4px 0 8px; }
@media (max-width: 767px) {
	.woocommerce ul.products li.product { padding: 8px 8px 10px; }
	.woocommerce ul.products li.product .woocommerce-loop-product__title { font-size: .9rem !important; }
	.woocommerce ul.products li.product .button { font-size: .85rem; padding: 10px 8px; }
}

/* Toolbar */
.woocommerce .woocommerce-result-count { color: var(--bp-muted); font-size: .9rem; margin: 6px 0 16px; }
.woocommerce .woocommerce-ordering { margin: 0 0 16px; }
.woocommerce .woocommerce-ordering select { min-width: 220px; }
@media (max-width: 600px) {
	.woocommerce .woocommerce-result-count, .woocommerce .woocommerce-ordering { float: none; width: 100%; }
	.woocommerce .woocommerce-ordering select { width: 100%; }
}
.woocommerce .woocommerce-breadcrumb { font-size: .85rem; color: var(--bp-muted); margin: 0 0 12px; }
.woocommerce .woocommerce-breadcrumb a { color: var(--bp-muted); }
.term-description, .woocommerce-products-header .page-description { max-width: 75ch; color: var(--bp-text); margin-bottom: 18px; }

.bp-chips-wrap { margin: 0 0 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.bp-chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.bp-chips a { display: inline-flex; align-items: center; gap: 6px; min-height: 38px; padding: 0 14px; border: 1px solid var(--bp-line); border-radius: 999px; background: var(--bp-white); color: var(--bp-ink); font-size: .87rem; font-weight: 500; text-decoration: none; white-space: nowrap; }
.bp-chips a:hover { border-color: var(--bp-blue); color: var(--bp-blue-700); }
.bp-chips a span { color: var(--bp-muted); font-size: .78rem; }
@media (max-width: 767px) { .bp-chips-wrap .bp-chips { flex-wrap: nowrap; padding-bottom: 4px; } }

.bp-filters { border: 1px solid var(--bp-line); border-radius: var(--bp-radius); background: var(--bp-surface); margin: 0 0 18px; clear: both; }
.bp-filters summary { cursor: pointer; padding: 12px 16px; font-weight: 600; color: var(--bp-ink); list-style: none; display: flex; align-items: center; justify-content: space-between; min-height: 44px; box-sizing: border-box; }
.bp-filters summary::-webkit-details-marker { display: none; }
.bp-filters summary::after { content: "+"; font-size: 1.3rem; line-height: 1; color: var(--bp-blue); }
.bp-filters[open] summary::after { content: "–"; }
.bp-filters__form { display: grid; grid-template-columns: 2fr 1fr 1fr auto auto; gap: 12px; align-items: end; padding: 0 16px 16px; }
.bp-filters__form label { display: grid; gap: 4px; font-size: .82rem; font-weight: 600; color: var(--bp-text); }
.bp-filters__form select, .bp-filters__form input[type="number"] { width: 100%; }
.bp-filters__check { display: flex !important; align-items: center; gap: 8px !important; min-height: 44px; }
.bp-filters__check input { width: 18px; height: 18px; }
.bp-filters__actions { display: flex; align-items: center; gap: 12px; }
.bp-filters__actions a { font-size: .9rem; }
@media (max-width: 900px) { .bp-filters__form { grid-template-columns: 1fr 1fr; } .bp-filters__form label:first-child { grid-column: 1 / -1; } }

.bp-empty { padding: 24px; border: 1px dashed var(--bp-line); border-radius: var(--bp-radius); text-align: center; }
.bp-empty .bp-chips { justify-content: center; }

/* ---------- Single product ---------- */
.single-product div.product { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; position: relative; }
.single-product div.product > * { grid-column: 1 / -1; }
.single-product div.product > .woocommerce-product-gallery { grid-column: 1; float: none !important; width: auto !important; margin: 0 !important; position: relative; }
.single-product div.product > .summary { grid-column: 2; float: none !important; width: auto !important; margin: 0 !important; min-width: 0; }
.single-product div.product > .onsale { grid-column: 1; position: absolute; z-index: 9; }
@media (max-width: 860px) {
	.single-product div.product { grid-template-columns: minmax(0, 1fr); gap: 24px; }
	.single-product div.product > .summary, .single-product div.product > .woocommerce-product-gallery { grid-column: 1; }
}
.woocommerce-product-gallery { max-width: 560px; }
.woocommerce-product-gallery .woocommerce-product-gallery__image img,
.woocommerce-product-gallery__wrapper img {
	width: 100%; aspect-ratio: 800 / 1008; object-fit: contain; background: var(--bp-label-bg); border-radius: var(--bp-radius);
}
.woocommerce div.product div.images .flex-control-thumbs { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.woocommerce div.product div.images .flex-control-thumbs li { width: auto !important; float: none !important; margin: 0 !important; }
.woocommerce div.product div.images .flex-control-thumbs li img {
	aspect-ratio: 800 / 1008; object-fit: contain; background: var(--bp-label-bg);
	border: 2px solid transparent; border-radius: var(--bp-radius-sm); opacity: .7; box-sizing: border-box;
}
.woocommerce div.product div.images .flex-control-thumbs li img.flex-active,
.woocommerce div.product div.images .flex-control-thumbs li img:hover { opacity: 1; border-color: var(--bp-blue); }
.woocommerce div.product div.images .woocommerce-product-gallery__trigger { top: 12px; right: 12px; background: var(--bp-white); box-shadow: var(--bp-shadow); }

.single-product .product_title { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.3rem); margin: 0 0 10px; overflow-wrap: anywhere; }
.woocommerce div.product p.price, .woocommerce div.product span.price { color: var(--bp-ink); font-size: 1.6rem; font-weight: 700; }
.woocommerce div.product .woocommerce-product-details__short-description { color: var(--bp-text); margin: 12px 0 18px; }
.woocommerce div.product form.cart { display: flex; flex-wrap: wrap; gap: 12px; align-items: stretch; margin: 18px 0; }
.woocommerce div.product form.cart.variations_form { display: block; }
.woocommerce div.product form.cart .quantity .qty { width: 80px; min-height: 48px; text-align: center; }
.woocommerce div.product form.cart .single_add_to_cart_button { min-height: 48px; padding-inline: 28px; flex: 1 1 200px; font-size: 1rem; }
.woocommerce div.product form.cart .variations { margin-bottom: 12px; width: 100%; }
.woocommerce div.product form.cart .variations th, .woocommerce div.product form.cart .variations td { display: block; padding: 0; text-align: left; }
.woocommerce div.product form.cart .variations label { font-weight: 600; color: var(--bp-ink); margin-bottom: 6px; display: block; }
.woocommerce div.product form.cart .variations select { width: 100%; max-width: 360px; margin: 0 0 6px; }
.woocommerce div.product form.cart .reset_variations { font-size: .85rem; }
.woocommerce div.product form.cart .woocommerce-variation-add-to-cart { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.woocommerce div.product .stock { font-weight: 600; }
.woocommerce div.product .stock.in-stock { color: var(--bp-success); }
.woocommerce div.product .stock.out-of-stock { color: var(--bp-danger); }
.product_meta { font-size: .88rem; color: var(--bp-muted); display: grid; gap: 4px; padding-top: 14px; border-top: 1px solid var(--bp-line); margin-top: 6px; }
.product_meta a { color: var(--bp-text); }

.bp-research-note {
	margin: 4px 0 16px; padding: 12px 14px; border-left: 4px solid var(--bp-blue);
	background: var(--bp-blue-50); border-radius: 0 var(--bp-radius-sm) var(--bp-radius-sm) 0;
	font-size: .88rem; color: var(--bp-text); line-height: 1.5;
}
.bp-research-note strong { color: var(--bp-ink); }

/* Tabs */
.woocommerce div.product .woocommerce-tabs { margin-top: 24px; }
.woocommerce div.product .woocommerce-tabs ul.tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 0 !important; margin: 0 0 20px !important; border-bottom: 1px solid var(--bp-line); overflow: visible; }
.woocommerce div.product .woocommerce-tabs ul.tabs::before, .woocommerce div.product .woocommerce-tabs ul.tabs li::before, .woocommerce div.product .woocommerce-tabs ul.tabs li::after { display: none !important; }
.woocommerce div.product .woocommerce-tabs ul.tabs li { background: none !important; border: 0 !important; margin: 0 !important; padding: 0 !important; border-radius: 0 !important; }
.woocommerce div.product .woocommerce-tabs ul.tabs li a { display: block; padding: 12px 16px !important; font-weight: 600; color: var(--bp-muted) !important; border-bottom: 3px solid transparent; }
.woocommerce div.product .woocommerce-tabs ul.tabs li.active a { color: var(--bp-ink) !important; border-bottom-color: var(--bp-blue); }
.woocommerce div.product .woocommerce-tabs .panel { max-width: 80ch; }
.woocommerce div.product .woocommerce-tabs .panel h2:first-child { display: none; }
.woocommerce table.shop_attributes { border: 1px solid var(--bp-line); border-radius: var(--bp-radius-sm); }
.woocommerce table.shop_attributes th, .woocommerce table.shop_attributes td { padding: 10px 14px; border-color: var(--bp-line); font-style: normal; }
.related.products > h2, .upsells.products > h2 { font-size: 1.4rem; margin: 24px 0 16px; }

/* ---------- Notices ---------- */
.woocommerce-message, .woocommerce-info, .woocommerce-error {
	border-top: 0; border-left: 4px solid var(--bp-blue); border-radius: var(--bp-radius-sm); background: var(--bp-surface); color: var(--bp-ink);
	display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
}
.woocommerce-message::before, .woocommerce-info::before { color: var(--bp-blue); }
.woocommerce-error { border-left-color: var(--bp-danger); }
.woocommerce-message .button { margin-left: auto; order: 2; }

/* ---------- Cart & checkout (blocks + classic): never wider than the viewport ---------- */
.woocommerce-cart .site-main, .woocommerce-checkout .site-main { max-width: var(--bp-container); }
.wp-block-woocommerce-cart.alignwide, .wp-block-woocommerce-checkout.alignwide { margin-inline: 0 !important; max-width: 100% !important; width: 100% !important; }
.wc-block-components-sidebar-layout { margin-inline: 0 !important; }
.wc-block-cart, .wc-block-checkout, .woocommerce-cart-form, .woocommerce-checkout { max-width: 100%; overflow-wrap: anywhere; }
.wc-block-cart-items__row .wc-block-components-product-name { color: var(--bp-ink); font-weight: 600; text-decoration: none; }
.wc-block-cart-item__image img, .wc-block-components-order-summary-item__image img { aspect-ratio: 800 / 1008; object-fit: contain; background: var(--bp-label-bg); border-radius: 6px; }
.wc-block-components-totals-wrapper, .wc-block-components-sidebar .wc-block-components-panel { border-color: var(--bp-line); }
.wc-block-components-sidebar { box-sizing: border-box; }
.wc-block-components-checkout-place-order-button, .wc-block-cart__submit-button { width: 100%; min-height: 52px; font-size: 1rem; }
.wc-block-checkout__order-fields .wc-block-components-checkbox__label, .bp-ack span { font-size: .9rem; line-height: 1.45; }
.wc-block-components-text-input input, .wc-block-components-combobox .components-combobox-control__input, .wc-block-components-select select { font-size: 16px !important; }
@media (max-width: 480px) {
	.wc-block-components-sidebar-layout .wc-block-components-main, .wc-block-components-sidebar { padding-inline: 0 !important; }
}
.woocommerce table.shop_table { border-color: var(--bp-line); border-radius: var(--bp-radius-sm); }

/* My account */
.woocommerce-account .woocommerce-MyAccount-navigation ul { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 4px; }
.woocommerce-account .woocommerce-MyAccount-navigation a { display: block; padding: 10px 14px; border-radius: var(--bp-radius-sm); text-decoration: none; color: var(--bp-ink); }
.woocommerce-account .woocommerce-MyAccount-navigation .is-active a { background: var(--bp-blue-50); color: var(--bp-blue-700); font-weight: 600; }
.woocommerce form.login, .woocommerce form.register { border-color: var(--bp-line); border-radius: var(--bp-radius); max-width: 520px; }

/* ---------- Homepage helpers (used inside Elementor sections) ---------- */
.bp-cat-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.bp-cat-grid li a { display: flex; flex-direction: column; justify-content: center; gap: 4px; min-height: 84px; padding: 16px 18px; border: 1px solid var(--bp-line); border-radius: var(--bp-radius); background: var(--bp-white); text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.bp-cat-grid li a:hover { border-color: var(--bp-blue); box-shadow: var(--bp-shadow); }
.bp-cat-grid__name { font-weight: 600; color: var(--bp-ink); line-height: 1.3; }
.bp-cat-grid__count { font-size: .85rem; color: var(--bp-muted); }
@media (max-width: 480px) { .bp-cat-grid { grid-template-columns: 1fr 1fr; } .bp-cat-grid li a { padding: 12px; min-height: 76px; } .bp-cat-grid__name { font-size: .9rem; } }

.bp-post-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.bp-post-grid li a { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 14px; border: 1px solid var(--bp-line); border-radius: var(--bp-radius); text-decoration: none; background: var(--bp-white); }
.bp-post-grid img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--bp-radius-sm); margin-bottom: 6px; }
.bp-post-grid__date { font-size: .8rem; color: var(--bp-muted); }
.bp-post-grid__title { font-weight: 700; color: var(--bp-ink); line-height: 1.3; }
.bp-post-grid__excerpt { font-size: .9rem; color: var(--bp-text); }

/* Blog / single post readability */
.single-post .site-main, .blog .site-main, .archive:not(.woocommerce) .site-main { max-width: 820px; }
.single-post .entry-content, .page-content { font-size: 1.05rem; }
.single-post .entry-content h2 { margin-top: 1.8em; }
.single-post .entry-content table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.single-post .entry-content th, .single-post .entry-content td { border: 1px solid var(--bp-line); padding: 8px 10px; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

/* ---------- Forms (contact) ---------- */
.bp-form { display: grid; gap: 14px; max-width: 680px; }
.bp-form label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; color: var(--bp-ink); }
.bp-form label span[aria-hidden] { color: var(--bp-danger); }
.bp-form input[type="text"], .bp-form input[type="email"], .bp-form textarea { width: 100%; font-weight: 400; }
.bp-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 600px) { .bp-form__row { grid-template-columns: 1fr; } }
.bp-form__check { display: flex !important; align-items: flex-start; gap: 10px !important; font-weight: 400 !important; }
.bp-form__check input { width: 18px; height: 18px; margin-top: 3px; flex: none; }
.bp-form__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.bp-form__note { font-size: .82rem; color: var(--bp-muted); margin: 0; }
.bp-form .button { justify-self: start; }
.bp-form-notice { padding: 12px 14px; border-radius: var(--bp-radius-sm); font-size: .92rem; }
.bp-form-notice--ok { background: #e8f6ee; color: #0f5132; border-left: 4px solid var(--bp-success); }
.bp-form-notice--err { background: #fdecea; color: #7a1a12; border-left: 4px solid var(--bp-danger); }


/* ---------- WooCommerce specificity overrides ---------- */
.woocommerce button.button.alt, .woocommerce a.button.alt, .woocommerce input.button.alt,
.woocommerce button.button.alt.disabled, .woocommerce button.button.alt:disabled { background: var(--bp-blue); color: var(--bp-white); }
.woocommerce button.button.alt:hover, .woocommerce a.button.alt:hover, .woocommerce input.button.alt:hover { background: var(--bp-blue-700); color: var(--bp-white); }
.woocommerce div.product form.cart .variations tr, .woocommerce div.product form.cart .variations td, .woocommerce div.product form.cart .variations th { background: none !important; border: 0; }
@media (max-width: 600px) { .bp-announce { font-size: .72rem; padding: 6px 0; } }


/* Gallery zoom image and flexslider track must never widen the page. */
.woocommerce-product-gallery, .woocommerce-product-gallery .flex-viewport, .woocommerce-product-gallery__image { overflow: hidden; }
/* Block cart at very narrow widths (320px). */
.wc-block-cart-items { table-layout: fixed; width: 100%; max-width: 100%; }
@media (max-width: 360px) {
	:root { --bp-gutter: 12px; }
	.wc-block-cart-items .wc-block-cart-items__row { grid-template-columns: 56px minmax(0, 1fr) !important; }
	.wc-block-cart-item__image img { max-width: 56px; }
}
/* Long reference URLs (DOIs) in descriptions and articles must wrap. */
.woocommerce-Tabs-panel, .entry-content, .page-content { overflow-wrap: anywhere; }

/* Product description: specification table, references, research-use line. */
.bp-specs { width: 100%; border-collapse: collapse; margin: 8px 0 24px; font-size: .95rem; border: 1px solid var(--bp-line); border-radius: var(--bp-radius-sm); overflow: hidden; }
.bp-specs th, .bp-specs td { padding: 10px 14px; border-bottom: 1px solid var(--bp-line); text-align: left; vertical-align: top; background: none; }
.bp-specs th { width: 34%; font-weight: 600; color: var(--bp-ink); background: var(--bp-surface); }
.bp-specs tr:last-child th, .bp-specs tr:last-child td { border-bottom: 0; }
@media (max-width: 480px) { .bp-specs th, .bp-specs td { display: block; width: auto; } .bp-specs th { border-bottom: 0; padding-bottom: 2px; } }
.bp-refs { font-size: .85rem; color: var(--bp-muted); padding-left: 1.2em; }
.bp-refs li { margin-bottom: 6px; }
.bp-ruo { font-size: .88rem; padding: 12px 14px; background: var(--bp-blue-50); border-left: 4px solid var(--bp-blue); border-radius: 0 var(--bp-radius-sm) var(--bp-radius-sm) 0; }