:root {
  --gold: #c40010;
  --gold-dark: #7a0000;
  --black: #f6f6f2;
  --surface: #ffffff;
  --surface-light: #eceee8;
  --white: #16170f;
  --muted: #5c5f58;
  --line: #dadcd5;
  --green: #3f7a30;
  --purchase: #247a2f;
  --purchase-hover: #1b6425;
  --purchase-text: #fff;
  --header-height: 76px;
  --nav-shell-bg: rgba(255, 255, 255, .92);
  --icon-hover-bg: #ece9e2;
  --strip-bg: #f0f0ea;
  --track-bg: #dcded6;
  --toast-bg: #16170f;
  --toast-color: #f7f7f2;
  --prose-color: #3f423b;
  --coordinate-color: #6b6e67;
  --error-color: #b3261e;
}

:root[data-theme="dark"] {
  --gold: #e30613;
  --gold-dark: #820000;
  --black: #050505;
  --surface: #111211;
  --surface-light: #191a19;
  --white: #f7f7f2;
  --muted: #999c98;
  --line: #30322f;
  --green: #8fbf78;
  --purchase: #63b86b;
  --purchase-hover: #78ca7f;
  --purchase-text: #08150a;
  --nav-shell-bg: rgba(14, 15, 14, .94);
  --icon-hover-bg: #1d1e1c;
  --strip-bg: #141514;
  --track-bg: #343633;
  --toast-bg: #f7f7f2;
  --toast-color: #111;
  --prose-color: #c3c5c0;
  --coordinate-color: #555852;
  --error-color: #ef8d81;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: "Inter", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

button, input, select, textarea { font: inherit; }
button, a, select { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.sr-only { 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 { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 10px 16px; background: var(--gold); color: #000; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  padding: 16px 24px 0;
  background: linear-gradient(180deg, var(--black) 72%, transparent);
}

.nav-shell {
  width: min(100%, 1280px);
  height: var(--header-height);
  margin: 0 auto;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--nav-shell-bg);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-family: "Anton", sans-serif; font-size: 21px; white-space: nowrap; }
.brand::before { content: ""; width: 48px; height: 48px; flex: 0 0 48px; border: 1px solid rgba(255,255,255,.16); background: #fff url("../images/pepfex-logo.png") center / contain no-repeat; }
.brand-mark { display: none; }
.brand-fex { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 28px; margin: 0 auto; font-size: 14px; }
.nav-links a { position: relative; padding: 26px 0; transition: color .2s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--gold); }
.nav-links a.active::after { content: ""; position: absolute; right: 0; bottom: 19px; left: 0; height: 2px; background: var(--gold); }
.nav-actions { display: flex; align-items: center; gap: 4px; }
.icon-button, .cart-button { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; cursor: pointer; transition: color .2s ease, background .2s ease; }
.icon-button:hover, .cart-button:hover { color: var(--gold); background: var(--icon-hover-bg); }
.icon-button svg, .cart-button svg { width: 20px; height: 20px; }
.cart-button { position: relative; }
.cart-count { position: absolute; top: 3px; right: 1px; display: grid; place-items: center; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 20px; background: var(--green); color: #000; font-size: 10px; font-weight: 700; }
.menu-toggle { display: none; margin-left: auto; }
.checkout-back { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.checkout-back:hover { color: var(--gold); }
.checkout-back svg { width: 16px; height: 16px; }

main { width: min(100%, 1280px); margin: 0 auto; padding: 0 24px 96px; }
.shop-intro { position: relative; padding: 40px 0 22px; border-bottom: 1px solid var(--line); }
.coordinate { position: absolute; top: 76px; right: 0; color: var(--coordinate-color); font-family: ui-monospace, monospace; font-size: 11px; }
.eyebrow { margin: 0 0 8px; color: var(--gold); font-size: 11px; font-weight: 700; text-transform: uppercase; }
.intro-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; }
h1, h2 { margin: 0; font-family: "Anton", sans-serif; font-weight: 400; line-height: 1.05; }
h1 { font-size: clamp(42px, 7vw, 86px); max-width: 850px; }
.shop-intro h1 { font-size: clamp(42px, 5vw, 64px); }
.intro-row > div > p:last-child { margin: 12px 0 0; color: var(--muted); font-size: 17px; }
.quality-seal { width: 228px; min-width: 228px; padding: 14px; border-top: 1px solid var(--gold); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 12px; }
.quality-seal svg { width: 30px; height: 30px; color: var(--gold); }
.quality-seal strong { display: block; color: var(--white); font-size: 17px; }

.catalog-controls { padding: 22px 0 18px; }
.category-tabs { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line); }
.category-tab { min-height: 56px; padding: 10px; border: 0; border-right: 1px solid var(--line); background: var(--surface); font-family: "Anton", sans-serif; font-size: 16px; text-transform: uppercase; cursor: pointer; transition: background .2s ease, color .2s ease; }
.category-tab:last-child { border-right: 0; }
.category-tab:hover { color: var(--gold); }
.category-tab.active { background: var(--gold); color: #000; }
.filter-row { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; }
.search-field { width: min(100%, 480px); height: 48px; padding: 0 16px; border: 1px solid var(--line); background: var(--surface-light); display: flex; align-items: center; gap: 12px; }
.search-field:focus-within { border-color: var(--gold); outline: 2px solid var(--gold); outline-offset: 2px; }
.search-field svg { width: 18px; color: var(--muted); }
.search-field input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--white); }
.search-field input::placeholder { color: var(--muted); }
.sort-field { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.sort-field select { height: 48px; min-width: 190px; padding: 0 40px 0 14px; border: 1px solid var(--line); border-radius: 0; background: var(--surface-light); color: var(--white); }
.sort-control { position: relative; }
.sort-toggle { display: none; }

.results-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.results-meta p { margin: 0; color: var(--white); }
.results-meta span:first-child { color: var(--gold); font-weight: 700; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.product-card { min-width: 0; border: 1px solid var(--line); background: var(--surface); overflow: hidden; animation: card-in .4s both; transition: border-color .25s ease, transform .25s ease; }
.product-card:hover { border-color: var(--gold); transform: translateY(-3px); }
.product-visual { position: relative; height: 220px; overflow: hidden; display: grid; place-items: center; background: #fff; }
.product-visual::before { content: ""; position: absolute; inset: auto 7% 12% 7%; height: 12px; border-radius: 50%; background: rgba(0,0,0,.14); filter: blur(9px); }
.product-photo { position:relative; z-index:1; width:100%; height:100%; padding:28px; object-fit:contain; transition:transform .35s ease; }
.product-card:hover .product-photo { transform:scale(1.04); }
.product-code { position: absolute; top: 13px; left: 14px; color: #555; font-family: ui-monospace, monospace; font-size: 9px; }
.purity-tag { position: absolute; z-index: 2; top: 12px; right: 12px; padding: 5px 7px; background: #101110; color: #f7f7f2; font-size: 9px; font-weight: 700; }
.vial { position: relative; z-index: 1; width: 92px; height: 158px; margin-top: 20px; border: 2px solid rgba(78, 82, 78, .28); border-radius: 9px 9px 18px 18px; background: linear-gradient(90deg, rgba(255,255,255,.55), rgba(203,207,202,.12) 38%, rgba(255,255,255,.65) 66%, rgba(179,183,178,.3)); box-shadow: inset 0 0 18px rgba(255,255,255,.8); transition: transform .35s ease; }
.product-card:hover .vial { transform: scale(1.045) rotate(1deg); }
.vial::before { content: ""; position: absolute; left: -5px; top: -21px; width: 98px; height: 28px; border-radius: 7px 7px 3px 3px; background: repeating-linear-gradient(90deg, #20231f 0 4px, #363a35 4px 8px); border-bottom: 4px solid var(--gold); }
.vial-label { position: absolute; top: 49px; right: -3px; left: -3px; padding: 10px 3px 9px; border-top: 5px solid var(--gold); border-bottom: 3px solid #171817; background: #f8f8f4; color: #121212; text-align: center; }
.vial-label strong { display: block; font-family: "Anton", sans-serif; font-size: 17px; line-height: 1; }
.vial-label span { font-size: 8px; font-weight: 700; }
.vial.blue::before { border-bottom-color: #5284c4; }
.vial.blue .vial-label { border-top-color: #5284c4; }
.vial.green::before { border-bottom-color: var(--green); }
.vial.green .vial-label { border-top-color: var(--green); }
.vial.bundle { width: 180px; height: 104px; margin-top: 30px; border-radius: 2px; background: linear-gradient(135deg, #0e0f0e, #30332f); box-shadow: 8px 10px 0 #1b1d1a; }
.vial.bundle::before { display: none; }
.vial.bundle .vial-label { top: 24px; right: 14px; left: 14px; border-top-width: 3px; background: transparent; color: #f7f7f2; }
.product-info { padding: 18px; }
.product-type { margin: 0 0 5px; color: var(--white); font-size: 10px; font-weight: 700; text-transform: uppercase; }
.product-info h3 { min-height: 48px; margin: 0; font-family: "Anton", sans-serif; font-size: 20px; font-weight: 400; line-height: 1.2; }
.product-meta { margin: 6px 0 18px; color: var(--muted); font-size: 12px; }
.product-buy { padding-top: 14px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.product-price { font-weight: 700; white-space: nowrap; }
.add-button, .primary-button { min-height: 42px; border: 0; background: var(--gold); color: #000; font-weight: 700; cursor: pointer; transition: filter .2s ease, transform .2s ease; }
.add-button { width: 44px; min-width: 44px; padding: 0; display: grid; place-items: center; }
.add-button svg { width: 18px; }
.add-button:hover, .primary-button:hover { filter: brightness(.9); }
.add-button:active, .primary-button:active { transform: translateY(1px); }
.purchase-button { background: var(--purchase); color: var(--purchase-text); box-shadow: 0 4px 14px rgba(25, 105, 39, .2); }
.purchase-button:hover { background: var(--purchase-hover); filter: none; }
.purchase-button:focus-visible { outline-color: var(--purchase); }
.purchase-button:disabled { cursor: wait; opacity: .7; }
.add-button.purchase-button { width: 100%; min-width: 0; padding: 0 13px; display: flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap; }
.product-buy > .add-button:not(.purchase-button) { justify-self: end; }
.purchase-meta { color: var(--muted); font-size: 10px; line-height: 1.4; text-align: center; }
.empty-state { padding: 80px 20px; border: 1px solid var(--line); text-align: center; color: var(--muted); }
.empty-state svg { color: var(--gold); }
.empty-state h2 { margin-top: 14px; color: var(--white); font-size: 30px; }

.standards { margin-top: 96px; padding: 48px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: .8fr 1.6fr; gap: 64px; }
.standards h2 { max-width: 460px; font-size: 44px; }
.standard-items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.standard-items article { border-left: 1px solid var(--line); padding-left: 20px; }
.standard-items svg { width: 24px; color: var(--gold); }
.standard-items h3 { margin: 36px 0 8px; font-size: 14px; }
.standard-items p { margin: 0; color: var(--muted); font-size: 12px; }

.site-footer { width: min(calc(100% - 48px), 1280px); margin: 0 auto 56px; padding: 40px 0; display: grid; grid-template-columns: 1fr 1.5fr 1fr; align-items: center; gap: 32px; color: var(--muted); font-size: 11px; }
.footer-brand { color: var(--white); }
.footer-brand::before { width: 64px; height: 64px; flex-basis: 64px; }
.site-footer p { margin: 0; text-align: center; }
.site-footer > div:last-of-type { display: flex; justify-content: flex-end; gap: 16px; }
.site-footer a:hover { color: var(--gold); }
.footer-commerce { grid-column: 1 / -1; padding-top: 28px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; }
.footer-commerce-block { min-width: 0; }
.footer-commerce-block > strong { margin-bottom: 12px; display: flex; align-items: center; gap: 8px; color: var(--white); font-size: 12px; }
.footer-commerce-block > strong svg { width: 16px; height: 16px; color: var(--purchase); }
.footer-commerce-block p { max-width: 520px; color: var(--muted); line-height: 1.6; text-align: left; }
.footer-commerce-block p a { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }
.payment-methods { display: flex; flex-wrap: wrap; gap: 8px; }
.payment-methods span { min-height: 32px; padding: 0 11px; border: 1px solid var(--line); background: var(--surface); display: inline-flex; align-items: center; color: var(--white); font-size: 11px; font-weight: 700; }
.shipping-bar { position: fixed; z-index: 40; right: 0; bottom: 0; left: 0; height: 40px; background: #c69a2b; color: #111; display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 12px; font-weight: 700; }
.shipping-bar svg { width: 16px; }

.drawer-backdrop { position: fixed; z-index: 70; inset: 0; background: rgba(0,0,0,.72); opacity: 0; transition: opacity .25s ease; }
.drawer-backdrop.visible { opacity: 1; }
.cart-drawer { position: fixed; z-index: 80; top: 0; right: 0; bottom: 0; width: min(460px, 100%); padding: 0; background: var(--surface-light); transform: translateX(100%); transition: transform .3s cubic-bezier(.25,1,.5,1); display: flex; flex-direction: column; box-shadow: -24px 0 60px rgba(0,0,0,.45); }
.cart-drawer.open { transform: translateX(0); }
.drawer-header { min-height: 98px; padding: 24px 28px 20px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: flex-start; }
.drawer-header h2 { font-size: 32px; }
.drawer-header .cart-close { margin-top: 3px; }
.cart-shipping { padding: 14px 28px 16px; border-bottom: 1px solid var(--line); background: var(--strip-bg); }
.cart-shipping > div:first-child { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 600; }
.cart-shipping svg { width: 17px; height: 17px; color: var(--gold); }
.cart-shipping-track { height: 3px; margin-top: 11px; overflow: hidden; background: var(--track-bg); }
.cart-shipping-track span { display: block; width: 0; height: 100%; background: var(--gold); transition: width .3s ease; }
.cart-items { min-height: 0; padding: 0 28px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: #4b4d49 transparent; }
.cart-line { min-height: 142px; padding: 20px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 104px minmax(0, 1fr) auto; align-items: stretch; gap: 14px; }
.cart-line-visual { position: relative; width: 104px; height: 102px; overflow: hidden; display: grid; place-items: center; background: #f3f3ef; }
.cart-line-visual img { width: 100%; height: 100%; padding: 8px; object-fit: contain; transition: transform .25s ease; }
.cart-line-visual:hover img { transform: scale(1.06); }
.cart-vial { position: relative; width: 40px; height: 64px; border: 1px solid #9fa39b; border-radius: 3px 3px 7px 7px; background: linear-gradient(90deg, #fff, #d8dad5 46%, #fff); }
.cart-vial::before { content: ""; position: absolute; top: -9px; left: -2px; width: 42px; height: 11px; border-radius: 2px; background: #252824; border-bottom: 2px solid var(--gold); }
.cart-vial span { position: absolute; top: 24px; right: -2px; left: -2px; padding: 5px 1px; border-top: 3px solid var(--gold); background: #fff; color: #111; font-family: "Anton", sans-serif; font-size: 7px; line-height: 1; text-align: center; }
.cart-vial.blue::before, .cart-vial.blue span { border-color: #5284c4; }
.cart-vial.green::before, .cart-vial.green span { border-color: var(--green); }
.cart-vial.bundle { width: 76px; height: 48px; border: 0; border-radius: 0; background: #1b1d1a; box-shadow: 5px 5px 0 #aeb0aa; }
.cart-vial.bundle::before { display: none; }
.cart-vial.bundle span { top: 12px; right: 7px; left: 7px; border-color: var(--gold); background: transparent; color: #f7f7f2; }
.cart-line-info { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; }
.cart-line h3 { margin: 1px 0 3px; font-family: "Anton", sans-serif; font-size: 16px; font-weight: 400; line-height: 1.2; }
.cart-line h3 a:hover { color: var(--gold); }
.cart-line p { margin: 0; color: var(--muted); font-size: 11px; }
.cart-line button { padding: 4px; border: 0; background: none; color: var(--muted); cursor: pointer; }
.cart-line button:hover { color: var(--gold); }
.cart-line .quantity-control { margin-top: auto; }
.cart-line-actions { min-width: 76px; display: flex; flex-direction: column; align-items: flex-end; }
.cart-line-actions .cart-remove { width: 30px; height: 30px; padding: 6px; }
.cart-remove svg { width: 16px; height: 16px; }
.cart-line-actions strong { margin-top: auto; font-size: 13px; white-space: nowrap; }
.cart-line-actions span { color: var(--muted); font-size: 9px; white-space: nowrap; }
.cart-empty { margin: auto; color: var(--muted); text-align: center; }
.cart-empty svg { width: 30px; }
.cart-summary { margin-top: auto; padding: 20px 28px 24px; border-top: 1px solid var(--line); background: var(--strip-bg); box-shadow: 0 -14px 30px rgba(0,0,0,.16); }
.cart-summary > div { display: flex; justify-content: space-between; margin-bottom: 18px; }
.checkout-button { width: 100%; padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; }
.checkout-button svg { width: 18px; }
.cart-summary small { margin-top: 12px; display: flex; align-items: center; justify-content: center; gap: 6px; color: var(--muted); font-size: 10px; }
.cart-summary small svg { width: 12px; height: 12px; color: var(--gold); }
.toast { position: fixed; z-index: 90; right: 24px; bottom: 60px; max-width: calc(100% - 48px); padding: 12px 16px; background: var(--toast-bg); color: var(--toast-color); font-size: 13px; font-weight: 600; opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }

.simple-main { min-height: calc(100vh - 220px); }
.page-header { padding: 72px 0 32px; border-bottom: 1px solid var(--line); }
.page-header h1 { font-size: clamp(42px, 6vw, 72px); }
.checkout-page .page-header { padding: 44px 0 24px; }
.checkout-page .page-header h1 { font-size: clamp(38px, 4.5vw, 54px); }
.page-header > p:last-child { max-width: 680px; margin: 12px 0 0; color: var(--muted); }
.back-link { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 40px; color: var(--muted); font-size: 13px; }
.back-link:hover { color: var(--gold); }
.back-link svg { width: 16px; }
.product-detail { padding: 64px 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .85fr); gap: 64px; align-items: start; }
.product-visual-large { height: 620px; }
.product-visual-large .vial { transform: scale(1.7); }
.product-detail .eyebrow { color: var(--white); }
.product-detail-copy h1 { font-size: clamp(48px, 7vw, 78px); }
.detail-price { margin: 16px 0 24px; color: var(--white); font-size: 24px; font-weight: 700; }
.detail-lead { max-width: 590px; color: var(--muted); font-size: 17px; }
.spec-list { margin: 32px 0; border-top: 1px solid var(--line); }
.spec-list div { padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 120px 1fr; gap: 16px; }
.spec-list dt { color: var(--muted); font-size: 12px; }
.spec-list dd { margin: 0; font-size: 13px; font-weight: 600; }
.product-info-link { margin-top: 20px; display: inline-flex; align-items: center; gap: 6px; }
.product-info { grid-column: 1 / -1; padding-top: 48px; border-top: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .6fr); gap: 64px; align-items: start; scroll-margin-top: 96px; }
.product-info-copy { max-width: 760px; }
.product-info-copy h2 { margin: 8px 0 20px; font-size: clamp(30px, 4vw, 44px); }
.product-info-copy h3 { margin-top: 32px; }
.product-info-ruo { margin-top: 32px; font-weight: 600; }
.product-info-specs { position: sticky; top: 96px; }
.product-info-specs h2 { font-size: 22px; }
.product-info-specs .spec-list { margin-top: 16px; }
.product-info-specs .spec-list div { grid-template-columns: 140px 1fr; }
.spec-report { display: block; }
.spec-report + .spec-report { margin-top: 4px; }
.spec-report a { margin-left: 6px; color: var(--muted); font-size: 12px; font-weight: 500; text-decoration: underline; text-underline-offset: 2px; }
.spec-report a:hover { color: var(--gold); }
.lab-results-link { margin: -16px 0 0; display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.lab-results-link a { color: var(--white); text-decoration: underline; text-underline-offset: 2px; }
.lab-results-link a:hover, .lab-report-verify:hover { color: var(--gold); }
.lab-results-link svg, .lab-report-actions svg, .lab-report-verify svg { width: 16px; height: 16px; min-width: 16px; }
.lab-results-intro { max-width: 760px; margin: 24px 0 0; padding: 16px; border-left: 2px solid var(--gold); background: var(--surface); color: var(--muted); font-size: 13px; }
.lab-results { padding: 40px 0 96px; }
.lab-results-nav { margin-bottom: 32px; display: flex; flex-wrap: wrap; gap: 8px; }
.lab-results-nav a, .home-lab-products a { padding: 8px 12px; border: 1px solid var(--line); display: inline-flex; align-items: center; gap: 8px; color: var(--white); font-size: 12px; font-weight: 700; }
.lab-results-nav a:hover, .home-lab-products a:hover { border-color: var(--gold); color: var(--gold); }
.lab-results-nav span { color: var(--gold); }
.lab-product { padding: 32px 0; border-top: 1px solid var(--line); scroll-margin-top: 96px; }
.lab-product-header { margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.lab-product-header h2 { margin: 0; font-size: clamp(28px, 3.5vw, 40px); }
.lab-report-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.lab-report { padding: 24px; border: 1px solid var(--line); background: var(--surface); display: flex; flex-direction: column; gap: 16px; scroll-margin-top: 96px; }
.lab-report .eyebrow { margin-bottom: 4px; }
.lab-report h3 { margin: 0; font-size: 18px; }
.lab-report-meta { margin: 6px 0 0; color: var(--muted); font-size: 12px; }
.lab-report-results { margin: 0; }
.lab-report-results dd small { margin-left: 4px; color: var(--muted); font-weight: 500; }
.lab-report-actions { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px; }
.lab-report-actions a { min-height: 42px; padding: 0 16px; display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; }
.lab-report-verify { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; text-decoration: underline; text-underline-offset: 2px; }
.lab-results-pending { margin: 32px 0 0; color: var(--muted); font-size: 13px; }
.home-lab { width: min(calc(100% - 48px), 1280px); margin: 0 auto 120px; padding: 48px 56px; border: 1px solid var(--line); background: var(--surface); display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: end; }
.home-lab h2 { margin: 0 0 12px; font-size: clamp(32px, 4vw, 48px); }
.home-lab-copy > p:last-child { max-width: 620px; margin: 0; color: var(--muted); }
.home-lab-side { display: grid; justify-items: start; gap: 20px; }
.home-lab-products { display: flex; flex-wrap: wrap; gap: 8px; }
.detail-options { min-width: 0; margin: 0 0 22px; padding: 0; border: 0; }
.detail-options legend { margin-bottom: 10px; color: var(--white); font-size: 13px; font-weight: 600; }
.detail-option-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.detail-option { position: relative; min-width: 0; cursor: pointer; }
.detail-option input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.detail-option span { min-height: 54px; padding: 8px; border: 1px solid var(--line); background: var(--surface); display: grid; place-items: center; color: var(--muted); font-size: 13px; font-weight: 600; text-align: center; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.detail-option:hover span { border-color: var(--gold); color: var(--white); }
.detail-option input:checked + span { border-color: var(--gold); background: var(--gold); color: #fff; }
.detail-option input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 3px; }
.detail-addons { min-width: 0; margin: 0 0 22px; padding: 0; border: 0; display: grid; gap: 8px; }
.detail-addons legend { margin-bottom: 10px; color: var(--white); font-size: 13px; font-weight: 600; }
.detail-addon { position: relative; cursor: pointer; }
.detail-addon input { position: absolute; top: 50%; left: 14px; width: 18px; height: 18px; margin: 0; transform: translateY(-50%); accent-color: var(--gold); cursor: pointer; }
.detail-addon span { min-height: 48px; padding: 10px 14px 10px 44px; border: 1px solid var(--line); background: var(--surface); display: flex; justify-content: space-between; align-items: center; gap: 12px; transition: border-color .2s ease; }
.detail-addon strong { color: var(--white); font-size: 13px; font-weight: 600; }
.detail-addon small { color: var(--muted); font-size: 12px; font-weight: 600; white-space: nowrap; }
.detail-addon:hover span, .detail-addon input:checked + span { border-color: var(--gold); }
.detail-addon input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 3px; }
.detail-addon-choices { padding: 0 0 4px 44px; display: grid; gap: 8px; }
.detail-addon-choices[hidden] { display: none; }
.detail-addon-choices > span { color: var(--muted); font-size: 12px; }
.detail-addon-choices .detail-option-grid { grid-template-columns: repeat(2, minmax(0, 120px)); }
.detail-addon-choices .detail-option span { min-height: 40px; }
.detail-availability { margin: -10px 0 14px; display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 11px; }
.detail-availability svg { width: 15px; height: 15px; color: var(--purchase); }
.detail-order { display: grid; grid-template-columns: 100px 1fr; gap: 12px; }
.detail-order label { color: var(--muted); font-size: 11px; }
.detail-order input { width: 100%; height: 48px; margin-top: 5px; padding: 0 12px; border: 1px solid var(--line); background: var(--surface-light); color: var(--white); }
.detail-order .primary-button { align-self: end; height: 48px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; }
.detail-order svg { width: 18px; }
.detail-purchase-meta { margin: 10px 0 26px; display: flex; align-items: center; justify-content: flex-end; gap: 6px; font-size: 11px; }
.detail-purchase-meta svg { width: 15px; height: 15px; color: var(--purchase); }
.product-assurance { margin: 0 0 30px; padding: 22px; border: 1px solid var(--line); background: var(--surface); color: var(--white); }
.assurance-payments > strong { display: flex; align-items: center; gap: 8px; font-family: "Anton", sans-serif; font-size: 17px; font-weight: 400; }
.assurance-payments > strong svg { width: 16px; height: 16px; color: var(--gold); }
.detail-payment-methods { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 7px; }
.detail-payment-methods span { min-height: 28px; padding: 0 9px; border: 1px solid var(--line); background: var(--surface-light); color: var(--white); display: inline-flex; align-items: center; font-size: 9px; font-weight: 800; }
.assurance-list { margin: 20px 0 0; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 8px; list-style: none; }
.assurance-list li { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.assurance-list svg { width: 16px; height: 16px; color: var(--purchase); }
.dispatch-message { padding: 20px 0 18px; text-align: center; }
.dispatch-message strong, .dispatch-message span { display: block; }
.dispatch-message strong { color: var(--gold); font-size: 13px; }
.dispatch-message span { margin-top: 4px; color: var(--muted); font-size: 10px; }
.delivery-timeline { position: relative; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; text-align: center; }
.delivery-timeline::before { content: ""; position: absolute; top: 19px; right: 16%; left: 16%; height: 1px; background: var(--line); }
.delivery-timeline li { position: relative; z-index: 1; min-width: 0; display: grid; justify-items: center; }
.delivery-timeline li > span { width: 38px; height: 38px; margin-bottom: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-light); color: var(--muted); display: grid; place-items: center; }
.delivery-timeline li.active > span { border-color: var(--gold); background: var(--gold); color: #fff; }
.delivery-timeline svg { width: 15px; height: 15px; }
.delivery-timeline strong { font-size: 10px; }
.delivery-timeline small { max-width: 120px; margin-top: 2px; color: var(--muted); font-size: 8px; font-style: italic; line-height: 1.3; }
.enquiry-button { min-height:48px; padding:0 18px; display:flex; align-items:center; justify-content:space-between; }
.enquiry-button svg { width:18px; }
.research-notice { margin-top: 24px; padding: 16px; border-left: 2px solid var(--gold); background: var(--surface); display: flex; gap: 12px; color: var(--muted); font-size: 12px; }
.research-notice svg { min-width: 20px; color: var(--gold); }
.research-notice p { margin: 0; }
.research-notice strong { color: var(--white); }
.quantity-control { display: inline-grid; grid-template-columns: 30px 30px 30px; align-items: center; border: 1px solid var(--line); text-align: center; }
.quantity-control button { height: 30px; }

.checkout-layout { padding: 48px 0 80px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr); gap: 48px; align-items: start; }
.checkout-form, .account-form { display: grid; gap: 32px; }
.form-section { padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.form-section h2 { margin-bottom: 20px; font-size: 27px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form-field { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.form-field-wide { grid-column: 1 / -1; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid var(--line); border-radius: 0; background: var(--surface-light); color: var(--white); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--gold); outline: 2px solid var(--gold); outline-offset: 2px; }
.form-field [aria-invalid="true"] { border-color: var(--error-color); }
.field-error { color: var(--error-color); font-size: 11px; line-height: 1.35; }
.field-error:empty { display: none; }
.option-list { display: grid; gap: 10px; }
.option-row { min-height: 58px; padding: 12px 14px; border: 1px solid var(--line); display: flex; align-items: center; gap: 12px; cursor: pointer; }
.option-row:has(input:checked) { border-color: var(--gold); }
.option-row input { accent-color: var(--gold); }
.option-row span { margin-left: auto; color: var(--muted); font-size: 12px; }
.consent-check { padding: 14px; border: 1px solid var(--line); display: flex; align-items: flex-start; gap: 12px; color: var(--white); font-size: 13px; line-height: 1.5; cursor: pointer; }
.consent-check:has(input:checked) { border-color: var(--gold); }
.consent-check:has(input[aria-invalid="true"]) { border-color: var(--error-color); }
.consent-check input { width: 18px; height: 18px; min-width: 18px; margin: 1px 0 0; accent-color: var(--gold); cursor: pointer; }
.consent-check + .field-error { margin-top: -12px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; color: var(--muted); font-size: 12px; }
.checkbox-row input { margin-top: 3px; accent-color: var(--gold); }
.checkbox-row a { color: var(--gold); text-decoration: underline; }
.place-order { width: 100%; min-height: 52px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; }
.place-order svg { width: 18px; }
.button-value { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.checkout-consent { margin: -20px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; text-align: center; }
.checkout-consent a { color: var(--gold); text-decoration: underline; }
.form-error { min-height: 20px; margin: 0; color: var(--error-color); font-size: 12px; }
.order-summary { position: sticky; top: 112px; padding: 24px; border: 1px solid var(--line); background: var(--surface); }
.order-summary h2 { margin-bottom: 20px; font-size: 28px; }
.checkout-product { min-height: 96px; padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 72px minmax(0, 1fr) auto; align-items: center; gap: 12px; }
.checkout-product-visual { width: 72px; height: 72px; overflow: hidden; background: #f1f1ed; display: grid; place-items: center; }
.checkout-product-visual img { width: 100%; height: 100%; padding: 6px; object-fit: contain; transition: transform .25s ease; }
.checkout-product-visual:hover img { transform: scale(1.06); }
.checkout-product-visual .cart-vial { transform: scale(.86); }
.checkout-product-info { min-width: 0; }
.checkout-product-info a, .checkout-product-info span, .checkout-product-info small { display: block; }
.checkout-product-info a { overflow: hidden; color: var(--white); font-size: 12px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.checkout-product-info a:hover { color: var(--gold); }
.checkout-product-info span, .checkout-product-info small { margin-top: 3px; color: var(--muted); font-size: 9px; }
.checkout-product > strong { align-self: end; padding-bottom: 3px; font-size: 12px; white-space: nowrap; }
.summary-line, .summary-total { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; font-size: 13px; }
.summary-line span { color: var(--muted); }
.summary-total { padding-top: 18px; border: 0; font-size: 18px; }
.summary-meta { margin: 16px 0 0; color: var(--muted); font-size: 11px; }
.checkout-empty { padding: 96px 20px; text-align: center; }
.checkout-empty h2 { margin: 16px 0 8px; font-size: 36px; }
.checkout-empty p { color: var(--muted); }

.account-shell { width: min(100%, 1040px); margin: 48px auto 80px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr); gap: 24px; align-items: start; }
.account-auth { min-width: 0; }
.account-tabs { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: 28px; border: 1px solid var(--line); }
.account-tab { min-height: 52px; border: 0; background: var(--surface); cursor: pointer; }
.account-tab.active { background: var(--gold); color: #000; }
.account-panel { padding: 32px; border: 1px solid var(--line); background: var(--surface); }
.account-panel h2 { font-size: 32px; }
.account-panel > p { margin: 8px 0 28px; color: var(--muted); font-size: 13px; }
.account-form { gap: 16px; }
.account-form .primary-button { min-height: 48px; margin-top: 8px; }
.form-note { margin: 0; color: var(--muted); font-size: 11px; }
.account-preview { border: 1px solid var(--line); background: var(--surface); }
.account-identity { padding: 20px; display: flex; align-items: center; gap: 14px; border-bottom: 1px solid var(--line); }
.account-avatar { width: 48px; height: 48px; flex: 0 0 48px; border-radius: 50%; background: var(--gold); color: #000; display: grid; place-items: center; font-family: "Anton", sans-serif; font-size: 22px; }
.account-identity span, .account-identity strong { display: block; }
.account-identity span { color: var(--muted); font-size: 10px; text-transform: uppercase; }
.account-identity strong { margin-top: 2px; font-size: 13px; }
.access-pass { position: relative; margin: 20px; padding: 20px; overflow: hidden; border: 1px solid #484a46; background: linear-gradient(135deg, #232522, #111211 72%); color: #f7f7f2; }
.access-pass::after { content: "P"; position: absolute; right: -4px; bottom: -35px; color: rgba(255,255,255,.035); font-family: "Anton", sans-serif; font-size: 128px; line-height: 1; }
.access-pass > div { display: flex; align-items: baseline; gap: 8px; }
.access-pass > svg { position: absolute; top: 20px; right: 20px; width: 22px; color: var(--gold); }
.access-pass strong { font-family: "Anton", sans-serif; font-size: 24px; font-weight: 400; }
.access-label { color: var(--gold); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.access-pass p { position: relative; z-index: 1; max-width: 230px; margin: 20px 0 0; color: #b3b6af; font-size: 11px; }
.account-reorder { border-top: 1px solid var(--line); }
.account-section-heading { min-height: 74px; padding: 16px 20px; display: flex; align-items: center; justify-content: space-between; }
.account-section-heading span { color: var(--gold); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.account-section-heading h2 { margin-top: 3px; font-size: 19px; }
.account-section-heading svg { width: 19px; color: var(--muted); }
.account-product-row { min-height: 74px; padding: 10px 16px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 54px 1fr 18px; align-items: center; gap: 12px; }
.account-product-row img { width: 54px; height: 54px; padding: 4px; background: #ecece7; object-fit: contain; }
.account-product-row strong, .account-product-row span { display: block; }
.account-product-row strong { font-size: 12px; }
.account-product-row span { margin-top: 2px; color: var(--muted); font-size: 10px; }
.account-product-row > svg { width: 16px; color: var(--muted); }
.partner-callout { min-height: 78px; padding: 16px 20px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 24px 1fr 18px; align-items: center; gap: 12px; transition: background .2s ease, color .2s ease; }
.partner-callout:hover { background: var(--gold); color: #000; }
.partner-callout > svg { width: 20px; }
.partner-callout small, .partner-callout strong { display: block; }
.partner-callout small { color: var(--muted); font-size: 9px; }
.partner-callout strong { margin-top: 2px; font-size: 12px; }
.partner-callout:hover small { color: #260000; }

.confirmation { max-width: 760px; margin: 72px auto; padding: 56px; border: 1px solid var(--line); background: var(--surface); text-align: center; }
.confirmation > svg { width: 48px; height: 48px; color: var(--gold); }
.confirmation h1 { margin-top: 20px; font-size: 52px; }
.confirmation > p { color: var(--muted); }
.order-number { margin: 28px 0; padding: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-family: ui-monospace, monospace; }
.confirmation-actions { display: flex; justify-content: center; gap: 12px; }
.confirmation-actions a { padding: 12px 18px; }
.secondary-button { min-height: 42px; border: 1px solid var(--line); background: transparent; color: var(--white); }

.content-layout { padding: 48px 0 80px; display: grid; grid-template-columns: 230px minmax(0, 760px); gap: 64px; }
.content-nav { position: sticky; top: 112px; align-self: start; display: grid; gap: 2px; }
.content-nav a { padding: 10px 12px; border-left: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.content-nav a:hover, .content-nav a.active { border-color: var(--gold); color: var(--gold); }
.prose h2 { margin: 40px 0 12px; font-size: 30px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 28px 0 8px; font-size: 16px; }
.prose p, .prose li { color: var(--prose-color); font-size: 14px; line-height: 1.8; }
.prose a { color: var(--gold); text-decoration: underline; }
.prose ul { padding-left: 20px; }

/* About */
.about-main { overflow: hidden; }
.about-hero { padding: 72px 0 56px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr); align-items: end; gap: 80px; }
.about-hero h1 { max-width: 900px; font-size: clamp(48px, 6.2vw, 84px); }
.about-lead { max-width: 720px; margin: 20px 0 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.batch-passport { padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr 20px; align-items: center; gap: 8px 16px; }
.batch-passport span, .batch-passport strong { font-size: 12px; text-transform: uppercase; }
.batch-passport span { color: var(--muted); }
.batch-passport strong { color: var(--purchase); }
.batch-passport svg { width: 14px; height: 14px; color: var(--gold); }
.about-proof { margin: 0 calc(50% - 50vw); padding: 0 max(24px, calc((100vw - 1280px) / 2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); display: grid; grid-template-columns: repeat(4, 1fr); }
.about-proof div { min-height: 84px; padding: 0 22px; border-left: 1px solid var(--line); display: flex; align-items: center; gap: 12px; }
.about-proof div:last-child { border-right: 1px solid var(--line); }
.about-proof svg { width: 20px; height: 20px; flex: 0 0 20px; color: var(--gold); }
.about-proof span { font-size: 11px; font-weight: 700; text-transform: uppercase; }
.about-story { padding: 108px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .75fr); gap: 100px; }
.about-section-heading h2, .about-standards h2, .about-use h2, .about-cta h2 { font-size: clamp(38px, 4.5vw, 60px); }
.about-copy { padding-top: 22px; }
.about-copy p { margin: 0 0 20px; color: var(--prose-color); font-size: 15px; line-height: 1.8; }
.about-copy a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
.about-standards { padding: 96px 0 104px; }
.about-standards > header { max-width: 820px; }
.about-standard-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-standard-grid article { min-height: 330px; padding: 32px; border-left: 1px solid var(--line); }
.about-standard-grid article:last-child { border-right: 1px solid var(--line); }
.about-standard-grid article > svg { width: 28px; height: 28px; color: var(--gold); }
.standard-index { margin: 54px 0 10px; color: var(--muted); font-family: ui-monospace, monospace; font-size: 10px; }
.about-standard-grid h3 { margin: 0 0 14px; font-family: "Anton", sans-serif; font-size: 25px; font-weight: 400; }
.about-standard-grid article > p:last-child { margin: 0; color: var(--prose-color); font-size: 13px; line-height: 1.7; }
.about-use { margin: 0 calc(50% - 50vw); padding: 72px max(24px, calc((100vw - 1280px) / 2)); background: #171916; color: #f7f7f2; display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 80px; }
.about-use .eyebrow { color: #e30613; }
.about-use p:last-child { max-width: 600px; margin: 0; color: #c8cac4; font-size: 14px; line-height: 1.8; }
.about-cta { padding: 88px 0 32px; display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.about-cta h2 { max-width: 760px; }
.about-cta .primary-button { min-width: 190px; min-height: 52px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: space-between; gap: 24px; }
.about-cta .primary-button svg { width: 18px; height: 18px; }

/* Home */
.home-page { background: var(--black); }
.home-header { position: absolute; width: 100%; background: none; }
.home-header .nav-shell { background: var(--nav-shell-bg); border-color: var(--line); color: var(--white); }
.home-main { width: 100%; max-width: none; margin: 0; padding: 0 0 40px; }
.home-hero { position: relative; min-height: calc(100svh - 54px); max-height: 920px; overflow: hidden; display: flex; align-items: flex-end; background: #080908; color: #f7f7f2; }
.home-hero-video, .home-hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.home-hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(2, 3, 2, .9) 0%, rgba(2, 3, 2, .48) 48%, rgba(2, 3, 2, .2) 75%), linear-gradient(0deg, rgba(2, 3, 2, .8), transparent 44%), linear-gradient(180deg, rgba(2, 3, 2, .52), transparent 34%); }
.home-hero-content { position: relative; z-index: 1; width: min(calc(100% - 48px), 1280px); margin: 0 auto; padding: 150px 0 72px; }
.hero-copy { max-width: 800px; animation: hero-in .8s cubic-bezier(.22, 1, .36, 1) both; }
.hero-tagline { max-width: 640px; margin: 0; font-family: "Anton", sans-serif; font-size: 44px; font-weight: 400; line-height: 1.15; }
.hero-lead { max-width: 620px; margin: 10px 0 0; color: #d3d5cf; font-size: 16px; line-height: 1.6; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 24px; }
.hero-primary { min-height: 50px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; background: var(--gold); color: #fff; font-size: 12px; font-weight: 700; }
.hero-primary:hover { background: #ff1724; }
.hero-primary svg, .text-link svg, .home-contact a svg { width: 17px; height: 17px; }
.hero-secondary { padding: 8px 0; color: rgba(247, 247, 242, .72); font-size: 11px; font-weight: 500; }
.hero-secondary:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.video-control { position: absolute; z-index: 2; right: 24px; bottom: 18px; min-height: 34px; padding: 0 11px; border: 1px solid rgba(255, 255, 255, .28); background: rgba(5, 5, 5, .58); color: #fff; display: flex; align-items: center; gap: 8px; cursor: pointer; }
.video-control:hover { border-color: #fff; }
.video-control svg { width: 13px; height: 13px; }
.video-control span { font-size: 9px; font-weight: 600; text-transform: uppercase; }
.proof-rail { min-height: 54px; padding: 0 max(24px, calc((100% - 1280px) / 2)); background: #e8e9e4; color: #161715; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.proof-rail span { min-height: 54px; padding: 0 18px; border-left: 1px solid #bfc1bc; display: flex; align-items: center; gap: 9px; font-size: 10px; font-weight: 700; text-transform: uppercase; }
.proof-rail span:last-child { border-right: 1px solid #bfc1bc; }
.proof-rail svg { width: 16px; height: 16px; color: var(--gold-dark); }
.home-intro, .home-products, .home-quality, .home-contact { width: min(calc(100% - 48px), 1280px); margin-right: auto; margin-left: auto; }
.home-intro { padding: 116px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1.1fr .9fr; gap: 120px; }
.section-heading h2, .home-products h2, .home-quality h2, .home-contact h2 { font-size: 58px; }
.intro-copy { padding-top: 26px; }
.intro-copy > p { margin: 0 0 28px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.text-link { display: inline-flex; align-items: center; gap: 12px; padding-bottom: 6px; border-bottom: 1px solid var(--gold); color: var(--white); font-size: 12px; font-weight: 700; }
.text-link:hover { color: var(--gold); }
.home-products { padding: 104px 0 120px; }
.home-products > header { margin-bottom: 32px; display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.home-product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.home-product { min-width: 0; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }
.home-product-visual { position: relative; height: 360px; overflow: hidden; background: #fff; display: block; }
.home-product-visual img { width: 100%; height: 100%; padding: 32px; object-fit: contain; transition: transform .5s cubic-bezier(.22, 1, .36, 1); }
.home-product-visual:hover img { transform: scale(1.045); }
.home-product-visual > svg { position: absolute; top: 18px; right: 18px; width: 18px; height: 18px; color: #111; }
.home-product-content { padding: 20px; border-top: 1px solid var(--line); }
.home-product-content > p { margin: 0 0 5px; color: var(--muted); font-size: 10px; text-transform: uppercase; }
.home-product-content h3 { margin: 0; font-family: "Anton", sans-serif; font-size: 27px; font-weight: 400; }
.home-product-content h3 a:hover { color: var(--gold); }
.home-product-content > div { min-height: 54px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.home-product-content strong { font-size: 13px; white-space: nowrap; }
.home-product-content .purchase-button { min-height: 40px; padding: 0 14px; border: 0; display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; cursor: pointer; }
.home-product-content .purchase-button svg { width: 16px; height: 16px; }
.home-quality { margin-bottom: 120px; background: #e8e9e4; color: #171816; display: grid; grid-template-columns: 1.05fr .95fr; }
.quality-image { position: relative; min-height: 720px; overflow: hidden; }
.quality-copy { padding: 72px 64px; align-self: center; }
.quality-copy > p:not(.eyebrow) { margin: 24px 0 34px; color: #50534e; line-height: 1.75; }
.quality-list { margin: 0 0 34px; border-top: 1px solid #b7b9b4; }
.quality-list > div { padding: 16px 0; border-bottom: 1px solid #b7b9b4; display: grid; grid-template-columns: 42px 1fr; gap: 12px; }
.quality-list dt { color: var(--gold-dark); font-family: ui-monospace, monospace; font-size: 10px; }
.quality-list dd { margin: 0; }
.quality-list strong, .quality-list span { display: block; }
.quality-list strong { font-size: 12px; text-transform: uppercase; }
.quality-list span { margin-top: 4px; color: #656862; font-size: 11px; }
.home-contact { min-height: 360px; padding: 64px; border: 1px solid var(--line); display: grid; grid-template-columns: 1.2fr .8fr auto; align-items: center; gap: 36px; }
.home-contact > p:not(.eyebrow) { max-width: 390px; color: var(--muted); }
.home-contact .eyebrow { grid-column: 1 / -1; margin-bottom: -48px; }
.home-contact > a { min-height: 48px; padding: 0 18px; border: 1px solid var(--gold); display: inline-flex; align-items: center; gap: 24px; color: var(--white); font-size: 12px; font-weight: 700; }
.home-contact > a:hover { background: var(--gold); }
.home-footer { margin-top: 80px; }

@keyframes hero-in { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

@keyframes card-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 980px) {
  .nav-shell { gap: 12px; }
  .menu-toggle { display: grid; }
  .nav-links { position: absolute; top: calc(100% + 8px); right: 24px; left: 24px; padding: 12px; border: 1px solid var(--line); background: var(--surface); display: none; flex-direction: column; align-items: stretch; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
  .nav-links a.active::after { display: none; }
  .nav-actions .search-trigger { display: none; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .standards { grid-template-columns: 1fr; gap: 40px; }
  .product-detail { grid-template-columns: 1fr 1fr; gap: 32px; }
  .product-visual-large { height: 500px; }
  .checkout-layout { gap: 28px; }
  .account-shell { grid-template-columns: minmax(0, 1fr) 320px; }
  .hero-tagline { font-size: 36px; }
  .proof-rail { grid-template-columns: repeat(2, 1fr); }
  .proof-rail span:nth-child(3) { border-left: 1px solid #bfc1bc; }
  .home-intro { gap: 64px; }
  .home-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-product:last-child { grid-column: 1 / -1; }
  .quality-copy { padding: 52px 40px; }
  .home-contact { grid-template-columns: 1fr auto; }
  .home-contact .eyebrow { margin-bottom: -24px; }
  .home-contact h2 { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .site-header { padding: 8px 12px 0; }
  .nav-shell { height: 64px; padding: 0 12px; border-radius: 8px; }
  .brand { font-size: 18px; }
  .brand::before { width: 42px; height: 42px; flex-basis: 42px; }
  .nav-actions .icon-button { display: none; }
  .nav-actions .theme-toggle { display: grid; }
  main { padding: 0 16px 72px; }
  .shop-intro { padding: 28px 0 18px; }
  .coordinate, .quality-seal { display: none; }
  h1 { font-size: 44px; }
  .intro-row > div > p:last-child { font-size: 14px; }
  .category-tabs { display: flex; overflow-x: auto; scrollbar-width: none; scroll-snap-type: x mandatory; }
  .category-tabs::-webkit-scrollbar { display: none; }
  .category-tab { min-width: 124px; min-height: 50px; scroll-snap-align: start; font-size: 14px; }
  .filter-row { flex-direction: column; }
  .search-field { width: 100%; }
  .sort-control { align-self: flex-end; }
  .sort-toggle { min-height: 42px; padding: 0 13px; border: 1px solid var(--line); background: var(--surface); display: inline-flex; align-items: center; gap: 8px; color: var(--white); cursor: pointer; }
  .sort-toggle svg { width: 16px; height: 16px; }
  .sort-field { display: none; }
  .sort-control.open .sort-field { position: absolute; z-index: 20; top: calc(100% + 8px); right: 0; width: min(280px, calc(100vw - 32px)); padding: 10px; border: 1px solid var(--line); background: var(--surface); display: flex; justify-content: space-between; box-shadow: 0 12px 28px rgba(0,0,0,.16); }
  .sort-field select { min-width: 0; }
  .results-meta > span { display: none; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .product-visual { height: 180px; }
  .product-info { padding: 14px; }
  .product-info h3 { min-height: 42px; font-size: 17px; }
  .product-buy { align-items: flex-end; }
  .product-price { font-size: 13px; }
  .standards { margin-top: 64px; }
  .standards h2 { font-size: 36px; }
  .standard-items { grid-template-columns: 1fr; }
  .standard-items h3 { margin-top: 12px; }
  .site-footer { width: calc(100% - 32px); grid-template-columns: 1fr; text-align: left; }
  .site-footer p { text-align: left; }
  .site-footer > div:last-of-type { justify-content: flex-start; flex-wrap: wrap; }
  .footer-commerce { grid-template-columns: 1fr; gap: 24px; }
  .product-detail, .checkout-layout { grid-template-columns: 1fr; }
  .product-detail { padding-top: 32px; }
  .product-info { grid-template-columns: 1fr; gap: 32px; padding-top: 32px; }
  .product-info-specs { position: static; }
  .home-lab { grid-template-columns: 1fr; gap: 24px; padding: 32px 24px; margin-bottom: 72px; }
  .lab-report-grid { grid-template-columns: 1fr; }
  .lab-product-header { flex-direction: column; align-items: flex-start; }
  .product-visual-large { height: 280px; }
  .product-detail-copy h1 { font-size: 48px; }
  .order-summary { position: static; }
  .checkout-page .page-header { padding: 30px 0 18px; }
  .checkout-page .page-header h1 { font-size: 36px; }
  .shipping-bar { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field-wide { grid-column: auto; }
  .account-shell { grid-template-columns: 1fr; }
  .account-panel { padding: 22px; }
  .confirmation { margin: 48px 0; padding: 32px 20px; }
  .confirmation-actions { flex-direction: column; }
  .content-layout { grid-template-columns: 1fr; gap: 24px; }
  .content-nav { position: static; grid-template-columns: repeat(2, 1fr); }
  .about-hero { padding: 44px 0 36px; grid-template-columns: 1fr; gap: 32px; }
  .about-hero h1 { font-size: 46px; }
  .about-lead { font-size: 14px; }
  .batch-passport { max-width: none; }
  .about-proof { padding: 0 16px; grid-template-columns: repeat(2, 1fr); }
  .about-proof div { min-height: 72px; padding: 0 12px; border-bottom: 1px solid var(--line); }
  .about-proof div:nth-child(2) { border-right: 1px solid var(--line); }
  .about-proof div:nth-child(n+3) { border-bottom: 0; }
  .about-story { padding: 72px 0; grid-template-columns: 1fr; gap: 20px; }
  .about-copy { padding-top: 0; }
  .about-section-heading h2, .about-standards h2, .about-use h2, .about-cta h2 { font-size: 39px; }
  .about-standards { padding: 72px 0 76px; }
  .about-standard-grid { margin-top: 32px; grid-template-columns: 1fr; }
  .about-standard-grid article { min-height: 0; padding: 28px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .about-standard-grid article:last-child { border-bottom: 0; }
  .standard-index { margin-top: 28px; }
  .about-use { padding: 56px 16px; grid-template-columns: 1fr; gap: 24px; }
  .about-cta { padding: 64px 0 8px; align-items: stretch; flex-direction: column; gap: 28px; }
  .about-cta .primary-button { width: 100%; }
  .home-header { padding-top: 8px; }
  .home-main { padding-bottom: 24px; }
  .home-hero { min-height: calc(100svh - 48px); max-height: none; }
  .home-hero-video { object-position: 60% center; }
  .home-hero-shade { background: linear-gradient(0deg, rgba(2, 3, 2, .94) 0%, rgba(2, 3, 2, .5) 58%, rgba(2, 3, 2, .5) 100%); }
  .home-hero-content { width: calc(100% - 32px); padding: 112px 0 72px; display: block; }
  .hero-lead { font-size: 14px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 10px; }
  .hero-tagline { font-size: 28px; }
  .video-control { right: 16px; bottom: 14px; }
  .video-control span { display: none; }
  .proof-rail { padding: 0 16px; display: flex; overflow-x: auto; }
  .proof-rail span { min-width: 250px; }
  .home-intro, .home-products, .home-quality, .home-contact { width: calc(100% - 32px); }
  .home-intro { padding: 80px 0; grid-template-columns: 1fr; gap: 20px; }
  .section-heading h2, .home-products h2, .home-quality h2, .home-contact h2 { font-size: 42px; }
  .intro-copy { padding-top: 0; }
  .home-products { padding: 72px 0 80px; }
  .home-products > header { align-items: flex-start; flex-direction: column; }
  .home-product-grid { grid-template-columns: 1fr; }
  .home-product:last-child { grid-column: auto; }
  .home-product-visual { height: 310px; }
  .home-quality { margin-bottom: 80px; grid-template-columns: 1fr; }
  .quality-image { min-height: 430px; }
  .quality-copy { padding: 42px 24px 48px; }
  .home-contact { min-height: 0; padding: 44px 24px; grid-template-columns: 1fr; gap: 20px; }
  .home-contact .eyebrow, .home-contact h2 { grid-column: auto; margin-bottom: 0; }
  .home-contact > a { justify-content: space-between; }
}

@media (max-width: 420px) {
  .nav-actions { gap: 0; }
  .menu-toggle, .cart-button { width: 38px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-visual { height: 180px; }
  .product-visual-large { height: 200px; }
  .product-detail .back-link { margin-bottom: 20px; }
  .drawer-header { min-height: 86px; padding: 20px 18px 16px; }
  .drawer-header h2 { font-size: 28px; }
  .cart-shipping { padding: 12px 18px 14px; }
  .cart-items { padding: 0 18px; }
  .cart-line { min-height: 124px; padding: 16px 0; grid-template-columns: 82px minmax(0, 1fr) auto; gap: 10px; }
  .cart-line-visual { width: 82px; height: 88px; }
  .cart-line-actions { min-width: 68px; }
  .cart-line-actions span { display: none; }
  .cart-summary { padding: 18px; }
  .hero-primary { width: 100%; }
  .home-product-visual { height: 280px; }
  .home-product-content > div { align-items: stretch; flex-direction: column; }
  .home-product-content .purchase-button { width: 100%; justify-content: center; }
  .quality-image { min-height: 330px; }
  .detail-option-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}