/*
Theme Name: CellSpec North America
Theme URI: https://example.invalid/cellspec
Author: CellSpec
Description: A model-first medical battery storefront for North America.
Version: 2.1.1
Text Domain: cellspec
*/

:root {
  --yellow: #f7ce3e;
  --yellow-dark: #967000;
  --charcoal: #2b2b2b;
  --black: #1d1d1d;
  --text: #4c4c4c;
  --muted: #8b8b8b;
  --soft: #f5f5f5;
  --line: #e1e1e1;
  --white: #fff;
  --green: #55a873;
  --red: #cf3028;
  --container: 1140px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--white); font-family: "Helvetica Neue", Arial, sans-serif; font-size: 15px; line-height: 1.72; }
img { max-width: 100%; height: auto; }
a { color: var(--charcoal); text-underline-offset: 3px; }
h1, h2, h3, h4 { margin: 0 0 18px; color: var(--charcoal); font-weight: 800; line-height: 1.15; }
h1 { font-size: clamp(2.3rem, 5vw, 4.6rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1.35em; }
ul, ol { padding-left: 21px; }
.container { width: min(calc(100% - 44px), var(--container)); margin-inline: auto; }
.reading-width { max-width: 900px; }
.screen-reader-text { 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; top: -70px; left: 20px; z-index: 9999; padding: 10px 18px; color: var(--black); background: var(--yellow); }
.skip-link:focus { top: 20px; }
.site-main { overflow: hidden; }
.section, .energy-section { padding: 92px 0; }
.section--tight { padding: 54px 0; }
.centered-action { display: flex; justify-content: center; margin-top: 38px; }
.eyebrow, .energy-kicker { margin-bottom: 12px; color: var(--yellow-dark); font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }

/* Header */
.site-header { position: relative; z-index: 50; color: #b7b7b7; background: var(--charcoal); }
.header-utility { min-height: 40px; color: #c7c7c7; background: var(--black); font-size: .72rem; }
.header-utility .container { min-height: 40px; display: flex; align-items: center; justify-content: center; gap: 30px; }
.header-branding { background: var(--charcoal); }
.header-branding__inner { min-height: 100px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--white); text-decoration: none; }
.brand__mark { width: 40px; height: 48px; fill: none; stroke: var(--yellow); stroke-linejoin: bevel; stroke-width: 3; }
.brand > span { display: grid; line-height: 1; }
.brand strong { color: var(--white); font-size: 1.82rem; font-weight: 800; letter-spacing: -.04em; }
.brand small { margin-top: 8px; color: #aaa; font-size: .56rem; letter-spacing: .11em; }
.header-actions { display: flex; align-items: center; gap: 32px; }
.header-actions > a { color: #bbb; font-size: .83rem; text-decoration: none; }
.header-actions > a:hover { color: var(--yellow); }
.header-actions > a > span { margin-right: 6px; color: var(--white); font-size: 1.05rem; }
.header-cart { display: inline-flex; align-items: center; gap: 14px; color: #bbb !important; text-decoration: none; }
.header-cart svg { width: 27px; height: 27px; fill: none; stroke: var(--white); stroke-width: 1.5; }
.header-cart .woocommerce-Price-amount { color: #bbb; }
.header-navigation { color: var(--charcoal); background: var(--yellow); }
.header-navigation__inner { position: relative; min-height: 80px; display: flex; align-items: center; justify-content: space-between; }
.primary-nav ul { display: flex; align-items: center; gap: 48px; margin: 0; padding: 0; list-style: none; }
.primary-nav a { color: var(--charcoal); font-size: .78rem; font-weight: 800; text-decoration: none; text-transform: uppercase; }
.primary-nav .current-menu-item > a, .primary-nav a:hover { color: var(--white); }
.search-toggle { width: 42px; height: 42px; display: grid; place-items: center; padding: 0; border: 0; background: transparent; cursor: pointer; }
.search-toggle svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.header-search { position: absolute; right: 0; top: 80px; z-index: 5; width: min(470px, calc(100vw - 44px)); display: none; grid-template-columns: 1fr auto; padding: 18px; background: var(--charcoal); box-shadow: 0 15px 35px rgba(0,0,0,.22); }
.header-search.is-open { display: grid; }
.header-search input { min-height: 46px; padding: 10px 14px; border: 1px solid #555; background: #222; color: var(--white); }
.header-search button { padding: 10px 18px; border: 0; color: var(--charcoal); background: var(--yellow); font-weight: 800; cursor: pointer; }
.nav-toggle { display: none; width: 44px; padding: 9px; border: 0; background: var(--yellow); }
.nav-toggle > span:not(.screen-reader-text) { display: block; height: 2px; margin: 5px 0; background: var(--charcoal); }

/* Reference-style title banner */
.energy-page-hero { position: relative; color: var(--white); background:
  linear-gradient(90deg, rgba(34,34,34,.98), rgba(41,41,41,.82)),
  repeating-linear-gradient(112deg, transparent 0 95px, rgba(247,206,62,.08) 95px 97px),
  var(--charcoal); }
.energy-page-hero::after { content: ""; position: absolute; inset: 0; opacity: .16; background:
  linear-gradient(165deg, transparent 0 52%, rgba(255,255,255,.18) 52% 52.25%, transparent 52.25%),
  linear-gradient(15deg, transparent 0 68%, rgba(247,206,62,.22) 68% 68.2%, transparent 68.2%); }
.energy-page-hero__inner { position: relative; z-index: 1; min-height: 170px; display: flex; align-items: center; justify-content: space-between; gap: 45px; }
.energy-title-frame { position: relative; max-width: 790px; padding: 24px 20px; }
.energy-title-frame::before, .energy-title-frame::after { content: ""; position: absolute; width: 31px; height: 31px; border-color: var(--yellow); }
.energy-title-frame::before { top: 0; left: 0; border-top: 2px solid var(--yellow); border-left: 2px solid var(--yellow); }
.energy-title-frame::after { right: 0; bottom: 0; border-right: 2px solid var(--yellow); border-bottom: 2px solid var(--yellow); }
.energy-title-frame > span { display: none; }
.energy-title-frame h1 { margin: 0; color: var(--white); font-size: clamp(1.55rem, 3vw, 2.25rem); letter-spacing: -.025em; text-transform: uppercase; }
.energy-breadcrumb { flex: 0 0 auto; display: flex; align-items: center; gap: 17px; color: #bdbdbd; font-size: .78rem; }
.energy-breadcrumb a { color: #d5d5d5; text-decoration: none; }
.energy-breadcrumb span { color: var(--yellow); }
.energy-breadcrumb strong { max-width: 340px; color: #d5d5d5; font-weight: 400; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Home */
.energy-home-hero { position: relative; min-height: 610px; overflow: hidden; color: var(--white); background:
  radial-gradient(circle at 77% 48%, rgba(247,206,62,.18), transparent 27%),
  linear-gradient(90deg, rgba(22,22,22,.98) 0%, rgba(30,30,30,.93) 54%, rgba(30,30,30,.72) 100%),
  var(--charcoal); }
.energy-home-hero::before { content: ""; position: absolute; inset: 0; opacity: .12; background:
  repeating-linear-gradient(120deg, transparent 0 108px, #fff 108px 109px),
  repeating-linear-gradient(25deg, transparent 0 165px, var(--yellow) 165px 167px); }
.energy-home-hero__inner { position: relative; min-height: 610px; display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 55px; }
.energy-home-hero__copy { position: relative; z-index: 2; padding: 65px 0 95px; }
.energy-home-hero__copy > p { margin-bottom: 15px; font-weight: 800; letter-spacing: .05em; }
.energy-home-hero h1 { margin-bottom: 25px; color: var(--white); font-size: clamp(3rem, 6vw, 5.25rem); line-height: 1.02; letter-spacing: -.04em; }
.energy-home-hero h1::first-line { color: var(--white); }
.hero-search { width: min(650px, 100%); display: grid; grid-template-columns: 1fr auto; margin: 30px 0 24px; border: 1px solid rgba(255,255,255,.26); background: rgba(0,0,0,.3); }
.hero-search input { min-width: 0; min-height: 52px; padding: 12px 16px; border: 0; color: var(--white); background: transparent; font: inherit; }
.hero-search input::placeholder { color: #bdbdbd; }
.hero-search input:focus { outline: 2px solid var(--yellow); outline-offset: -2px; }
.hero-search button { padding: 0 22px; border: 0; color: var(--charcoal); background: var(--yellow); font-weight: 800; cursor: pointer; }
.energy-button, .button, .woocommerce a.button, .woocommerce button.button, .woocommerce input.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 12px 26px; border: 0 !important; border-radius: 0 !important; color: var(--charcoal) !important; background: var(--yellow) !important; font-size: .78rem !important; font-weight: 800 !important; letter-spacing: .03em; text-decoration: none; text-transform: uppercase; cursor: pointer; transition: background .18s ease, color .18s ease, transform .18s ease; }
.energy-button:hover, .button:hover, .woocommerce a.button:hover, .woocommerce button.button:hover, .woocommerce input.button:hover { color: var(--white) !important; background: var(--charcoal) !important; transform: translateY(-2px); }
.energy-button--dark { color: var(--white) !important; background: var(--charcoal) !important; }
.energy-button--dark:hover { color: var(--charcoal) !important; background: var(--yellow-dark) !important; }
.energy-home-hero__product { position: relative; z-index: 1; align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: 52px 0 70px; color: var(--white); text-decoration: none; }
.energy-home-hero__product::before { content: ""; position: absolute; inset: 12% -9% 10% 8%; z-index: -1; border: 2px solid rgba(247,206,62,.4); }
.energy-home-hero__product > span { align-self: flex-start; padding: 8px 12px; color: var(--charcoal); background: var(--yellow); font-size: .65rem; font-weight: 800; letter-spacing: .06em; }
.energy-home-hero__product img { width: 100%; aspect-ratio: 1; object-fit: contain; mix-blend-mode: screen; filter: contrast(1.03); }
.energy-home-hero__product strong { max-width: 430px; color: #ddd; font-size: .78rem; line-height: 1.4; text-transform: uppercase; }
.home-shortcuts { position: relative; z-index: 3; margin-top: -48px; }
.home-shortcuts__grid { display: grid; grid-template-columns: repeat(3,1fr); box-shadow: 0 12px 36px rgba(0,0,0,.13); }
.home-shortcuts a { min-height: 132px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; column-gap: 18px; align-content: center; padding: 28px 30px; color: var(--charcoal); background: var(--white); border-right: 1px solid var(--line); text-decoration: none; }
.home-shortcuts a:nth-child(2) { color: var(--white); background: var(--charcoal); }
.home-shortcuts a:last-child { border-right: 0; }
.home-shortcuts span { grid-row: 1/3; align-self: center; color: var(--yellow-dark); font-size: 1.5rem; font-weight: 300; }
.home-shortcuts strong { font-size: .93rem; }
.home-shortcuts small { color: var(--muted); }
.energy-section-heading { margin-bottom: 48px; text-align: center; }
.energy-section-heading h2 { margin-bottom: 6px; font-size: 1.75rem; letter-spacing: -.02em; text-transform: uppercase; }
.energy-section-heading p { margin: 0; color: var(--yellow-dark); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.home-products--soft { background: var(--soft); }
.energy-category-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 25px; }
.energy-category-grid a { position: relative; min-height: 230px; display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; overflow: hidden; color: var(--white); background: linear-gradient(135deg,#242424,#444); text-decoration: none; }
.energy-category-grid a:nth-child(2n) { background: linear-gradient(135deg,#3b3b3b,#202020); }
.energy-category-grid a::after { content: ""; position: absolute; top: -38px; right: -38px; width: 120px; height: 120px; border: 2px solid var(--yellow); transform: rotate(45deg); opacity: .5; }
.energy-category-grid span { margin-bottom: auto; color: var(--yellow); font-size: .65rem; font-weight: 800; letter-spacing: .13em; }
.energy-category-grid strong { color: var(--white); font-size: 1.08rem; line-height: 1.25; }
.energy-category-grid small { color: #c8c8c8; }
.energy-service-band { color: var(--white); background: var(--charcoal); }
.energy-service-band__grid { display: grid; grid-template-columns: repeat(3,1fr); }
.energy-service-band article { min-height: 250px; padding: 48px 40px; border-right: 1px solid #464646; }
.energy-service-band article:last-child { border-right: 0; }
.energy-service-band article > span { color: var(--yellow); font-size: 1.65rem; font-weight: 300; }
.energy-service-band h3 { margin-top: 38px; color: var(--white); font-size: 1rem; }
.energy-service-band p { margin: 0; color: #aaa; font-size: .85rem; }
.confidence-section__grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: start; }
.confidence-section h2 { max-width: 520px; font-size: clamp(2.8rem,5vw,4.8rem); line-height: 1.02; }
.confidence-section li { margin: 12px 0; }
.energy-cta { padding: 54px 0; color: var(--charcoal); background: var(--yellow); }
.energy-cta .container { display: flex; align-items: center; justify-content: space-between; gap: 45px; }

/* Catalog and content pages */
.catalog-intro { padding: 42px 0 0; text-align: center; }
.catalog-intro p { max-width: 760px; margin: 0 auto; font-size: 1.05rem; }
.catalog-type-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); }
.catalog-type-links a { min-height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 26px; background: var(--white); text-decoration: none; }
.catalog-type-links a:hover { background: var(--yellow); }
.catalog-type-links strong { text-transform: uppercase; }
.catalog-type-links span { color: var(--muted); font-size: .73rem; }
.catalog-sections { padding: 80px 0; background: var(--soft); }
.section-heading { margin-bottom: 45px; text-align: center; }
.section-heading h2 { margin-bottom: 7px; text-transform: uppercase; }
.section-heading > p { max-width: 720px; margin-inline: auto; }
.catalog-card-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 1px; background: #454545; }
.catalog-card-grid a { min-height: 175px; display: flex; flex-direction: column; justify-content: flex-end; padding: 23px; color: var(--white); background: var(--charcoal); text-decoration: none; }
.catalog-card-grid a:nth-child(3n+2) { background: #373737; }
.catalog-card-grid a:hover { background: var(--yellow); color: var(--charcoal); }
.catalog-card-grid span { margin-bottom: auto; color: var(--yellow); font-size: .62rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.catalog-card-grid a:hover span { color: var(--charcoal); }
.catalog-card-grid strong { color: inherit; font-size: .9rem; line-height: 1.3; }
.catalog-card-grid small { color: #aaa; }
.catalog-card-grid a:hover small { color: var(--charcoal); }
.prose { padding: 75px 0 100px; }
.energy-prose > .lede, .prose .lede { padding: 25px 30px; border-left: 4px solid var(--yellow); background: var(--soft); color: #383838; font-size: 1.08rem; }
.prose h2 { margin-top: 48px; padding-bottom: 14px; border-bottom: 1px solid var(--line); font-size: 1.65rem; text-transform: uppercase; }
.prose h3 { margin-top: 36px; font-size: 1.1rem; text-transform: uppercase; }
.prose li { margin-bottom: 8px; }
.policy-date { color: var(--muted); font-size: .8rem; text-transform: uppercase; }
.policy-callout { margin: 32px 0; padding: 25px 28px; border-left: 4px solid var(--yellow); background: var(--charcoal); color: #ccc; }
.policy-callout strong { color: var(--yellow); text-transform: uppercase; }
.policy-callout p { margin: 8px 0 0; }
.contact-route-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 42px 0; }
.contact-route-grid article { padding: 34px; background: var(--soft); }
.contact-route-grid article > span { color: var(--yellow-dark); font-size: .7rem; font-weight: 800; }
.contact-route-grid h2 { margin-top: 12px; border: 0; }

/* Compatibility form */
.compatibility-layout { padding: 82px 0 100px; }
.compatibility-layout__grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: 75px; align-items: start; }
.compatibility-layout aside { position: sticky; top: 25px; }
.compatibility-layout aside h2 { font-size: 2.25rem; }
.evidence-list { margin: 38px 0 0; padding: 0; list-style: none; }
.evidence-list li { display: flex; gap: 18px; padding: 18px 0; border-top: 1px solid var(--line); }
.evidence-list li > span { flex: 0 0 auto; color: var(--yellow-dark); font-weight: 800; }
.evidence-list strong { color: var(--charcoal); text-transform: uppercase; }
.evidence-list p { margin: 4px 0 0; color: var(--muted); font-size: .8rem; }
.compatibility-form-wrap { padding: 42px; background: var(--soft); }
.form-section-heading { display: flex; gap: 16px; margin: 10px 0 24px; padding-top: 26px; border-top: 1px solid var(--line); }
.form-section-heading:first-of-type { padding-top: 0; border-top: 0; }
.form-section-heading > span { color: var(--yellow-dark); font-weight: 800; }
.form-section-heading h2 { margin: 0; font-size: 1.1rem; text-transform: uppercase; }
.form-section-heading p { margin: 4px 0 0; color: var(--muted); font-size: .8rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 32px; }
.form-grid label { display: flex; flex-direction: column; gap: 7px; color: var(--charcoal); font-size: .74rem; font-weight: 700; }
.form-grid__wide { grid-column: 1/-1; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #d7d7d7; border-radius: 0; background: var(--white); font: inherit; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { outline: 2px solid var(--yellow); outline-offset: -2px; }
.checkbox-label { flex-direction: row !important; align-items: flex-start; font-weight: 400 !important; }
.checkbox-label input { width: 18px; min-height: 18px; margin-top: 4px; }
.form-fine-print { color: var(--muted); font-size: .72rem; }
.form-notice { margin-bottom: 25px; padding: 14px 18px; border-left: 3px solid; background: var(--soft); }
.form-notice--success { border-color: var(--green); }
.form-notice--error { border-color: var(--red); }

/* WooCommerce catalog */
.commerce-main { padding-bottom: 90px; }
.shop-layout { display: grid; grid-template-columns: 320px 1fr; gap: 35px; padding-top: 90px; }
.search-layout { display: grid; grid-template-columns: 320px 1fr; gap: 35px; padding: 90px 0; }
.shop-filter-toggle { display: none; }
.shop-sidebar { min-width: 0; }
.shop-widget { margin-bottom: 38px; }
.shop-widget h2 { margin-bottom: 20px; font-size: 1rem; text-transform: uppercase; }
.shop-search { display: grid; grid-template-columns: 1fr 48px; border: 1px solid var(--line); }
.shop-search input { min-width: 0; min-height: 47px; padding: 11px 14px; border: 0; font: inherit; font-style: italic; }
.shop-search button { display: grid; place-items: center; border: 0; color: var(--yellow-dark); background: var(--white); cursor: pointer; }
.shop-search svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.shop-category-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.shop-category-list li { border-bottom: 1px solid var(--line); }
.shop-category-list a { display: block; padding: 10px 0; color: var(--muted); text-decoration: none; text-transform: uppercase; }
.shop-category-list a:hover { color: var(--yellow-dark); }
.shop-widget--filter form > div { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.shop-widget--filter label { color: var(--muted); font-size: .68rem; text-transform: uppercase; }
.shop-widget--filter input { width: 100%; min-height: 42px; display: block; margin-top: 5px; padding: 8px; border: 1px solid var(--line); }
.shop-widget--filter button { min-height: 42px; margin-top: 12px; padding-inline: 20px; }
.shop-widget--help { padding: 28px; color: #bbb; background: var(--charcoal); }
.shop-widget--help > span { color: var(--yellow); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
.shop-widget--help h2 { margin: 12px 0 20px; color: var(--white); line-height: 1.35; }
.shop-widget--help a { color: var(--yellow); text-decoration: none; text-transform: uppercase; }
.shop-main { min-width: 0; }
.search-empty { padding: 46px; border-left: 4px solid var(--yellow); background: var(--soft); }
.search-empty h2 { text-transform: uppercase; }
.woocommerce .woocommerce-ordering { float: right; margin: 0 0 35px; }
.woocommerce .woocommerce-ordering select { min-width: 270px; min-height: 42px; padding: 8px 36px 8px 14px; border: 1px solid var(--line); border-radius: 0; background: var(--white); }
.woocommerce ul.products { clear: both; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; margin: 0; padding: 0; }
.shop-main .woocommerce ul.products { grid-template-columns: repeat(2,minmax(0,1fr)); }
.woocommerce ul.products::before, .woocommerce ul.products::after { display: none; }
.woocommerce ul.products li.product { position: relative; width: auto !important; min-width: 0; display: flex; flex-direction: column; margin: 0 !important; padding: 0 0 18px; background: var(--white); border: 0; text-align: center; }
.woocommerce ul.products li.product a.woocommerce-LoopProduct-link { display: flex; flex: 1; flex-direction: column; color: var(--charcoal); text-decoration: none; }
.woocommerce ul.products li.product a img { width: 100%; aspect-ratio: 1.15; object-fit: contain; margin: 0 0 24px; padding: 24px; background: var(--soft); }
.woocommerce ul.products li.product .woocommerce-loop-product__title { padding: 0 13px; color: var(--charcoal); font-size: .88rem; font-weight: 800; line-height: 1.45; letter-spacing: .01em; text-transform: uppercase; }
.product-card-category { order: -1; align-self: center; margin: -36px 0 15px; padding: 5px 10px; color: var(--charcoal); background: var(--yellow); font-size: .58rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.woocommerce ul.products li.product .price { margin: auto 0 15px; color: var(--yellow-dark); font-size: 1rem; font-weight: 800; }
.woocommerce ul.products li.product .button { align-self: center; min-height: 42px; margin: 0; padding: 10px 20px; }
.woocommerce ul.products li.product .added_to_cart { padding: 10px 0 0; font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.woocommerce nav.woocommerce-pagination { clear: both; margin-top: 50px; }
.woocommerce nav.woocommerce-pagination ul { border: 0; }
.woocommerce nav.woocommerce-pagination ul li { margin: 2px; border: 0; }
.woocommerce nav.woocommerce-pagination ul li a, .woocommerce nav.woocommerce-pagination ul li span { min-width: 42px; padding: 10px; background: var(--soft); }
.woocommerce nav.woocommerce-pagination ul li span.current { color: var(--charcoal); background: var(--yellow); }

/* Single product */
.commerce-shell { padding-top: 88px; }
.woocommerce div.product { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.woocommerce div.product div.images.woocommerce-product-gallery, .woocommerce div.product div.summary { float: none; width: 100% !important; margin: 0; }
.woocommerce div.product .woocommerce-product-gallery__wrapper { background: var(--soft); }
.woocommerce div.product .woocommerce-product-gallery__image img { width: 100%; aspect-ratio: 1; object-fit: contain; padding: 35px; }
.woocommerce div.product .summary { padding-top: 8px; }
.woocommerce div.product .woocommerce-product-rating { display: flex; align-items: center; gap: 12px; }
.woocommerce .star-rating { color: var(--yellow-dark); }
.woocommerce div.product p.price { margin-bottom: 24px; color: var(--yellow-dark); font-size: 1.55rem; font-weight: 800; }
.woocommerce div.product .woocommerce-product-details__short-description { color: var(--muted); }
.product-fit-summary { margin: 24px 0; border-top: 1px solid var(--line); }
.product-fit-summary p { display: grid; grid-template-columns: 155px 1fr; gap: 20px; margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); }
.product-fit-summary span { color: var(--muted); font-size: .67rem; font-weight: 800; text-transform: uppercase; }
.product-fit-summary strong { color: var(--charcoal); font-size: .82rem; line-height: 1.45; }
.woocommerce div.product form.cart { display: flex; gap: 10px; margin: 30px 0; }
.woocommerce .quantity .qty { min-height: 50px; border: 1px solid var(--line); border-radius: 0; }
.woocommerce div.product form.cart .button { min-height: 50px; }
.woocommerce div.product .product_meta { display: grid; gap: 6px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; text-transform: uppercase; }
.woocommerce div.product .woocommerce-tabs, .woocommerce div.product .related, .woocommerce div.product .up-sells { grid-column: 1/-1; }
.woocommerce div.product .woocommerce-tabs { margin-top: 45px; }
.woocommerce div.product .woocommerce-tabs ul.tabs { display: flex; gap: 0; padding: 0; border-bottom: 1px solid var(--line); }
.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; }
.woocommerce div.product .woocommerce-tabs ul.tabs li { margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent; }
.woocommerce div.product .woocommerce-tabs ul.tabs li a { padding: 15px 20px; color: var(--muted); font-size: .75rem; text-transform: uppercase; }
.woocommerce div.product .woocommerce-tabs ul.tabs li.active a { color: var(--charcoal); background: var(--yellow); }
.woocommerce div.product .woocommerce-tabs .panel { padding: 35px 0 25px; }
.woocommerce div.product .woocommerce-tabs .panel h2 { font-size: 1.6rem; text-transform: uppercase; }
.woocommerce div.product .woocommerce-tabs .panel > * { max-width: 900px; }
.woocommerce div.product .woocommerce-tabs .panel li { margin-bottom: 8px; }
.independence-note { padding: 18px 22px; border-left: 4px solid var(--yellow); background: var(--soft); font-size: .82rem; }
.compatibility-table { width: 100%; margin: 20px 0 25px; border-collapse: collapse; }
.compatibility-table th, .compatibility-table td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.compatibility-table th { width: 230px; background: var(--soft); text-transform: uppercase; }
.woocommerce div.product .related > h2 { margin: 65px 0 34px; font-size: 1.65rem; text-align: center; text-transform: uppercase; }
.woocommerce div.product .related ul.products { grid-template-columns: repeat(4,minmax(0,1fr)); }
.woocommerce div.product .csr-section { grid-column: 1/-1; width: 100%; }
.evidence-required { color: var(--red); font-weight: 800; }
.product-gate { margin: 25px 0; padding: 23px; border-left: 4px solid var(--yellow); background: var(--soft); }

/* Cart, checkout, account */
.commerce-page__content { padding: 0 0 100px; }
.checkout-steps { display: flex; align-items: center; gap: 12px; padding: 80px 0 32px; font-size: 1.12rem; }
.checkout-steps > * { color: #a8a8a8; text-decoration: none; }
.checkout-steps > *:not(:last-child)::after { content: "/"; margin-left: 12px; color: #c8c8c8; }
.checkout-steps .is-active { color: var(--charcoal); font-weight: 700; }
.woocommerce-message, .woocommerce-info, .woocommerce-error { margin-bottom: 28px; padding: 20px 55px !important; border: 0; border-top: 2px solid var(--green); background: var(--soft); }
.woocommerce-info { border-color: #3e97c5; }
.woocommerce-error { border-color: var(--red); }
.woocommerce table.shop_table { border: 1px solid var(--line); border-radius: 0; }
.woocommerce table.shop_table th, .woocommerce table.shop_table td { padding: 16px; }
.woocommerce table.shop_table th { color: var(--charcoal); text-transform: uppercase; }
.woocommerce-cart table.cart img { width: 90px; background: var(--soft); }
.woocommerce a.remove { color: var(--red) !important; }
.woocommerce a.remove:hover { background: var(--red); }
.woocommerce .cart-collaterals .cart_totals { float: right; width: 48%; }
.woocommerce .cart_totals h2, .woocommerce-checkout h3 { font-size: 1.35rem; text-transform: uppercase; }
.woocommerce .cart_totals, .woocommerce-checkout-review-order { padding: 30px; border: 1px solid var(--line); background: var(--white); }
.woocommerce form .form-row { margin-bottom: 16px; }
.woocommerce form .form-row label { color: var(--muted); font-size: .75rem; }
.woocommerce form .form-row input.input-text, .woocommerce form .form-row textarea, .woocommerce form .form-row select, .select2-container--default .select2-selection--single { min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 0; background: var(--white); }
.select2-container--default .select2-selection--single .select2-selection__rendered { line-height: 28px; }
.woocommerce form.checkout { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 50px; }
.woocommerce form.checkout > .col2-set { width: auto; }
.woocommerce form.checkout .col2-set .col-1, .woocommerce form.checkout .col2-set .col-2 { float: none; width: 100%; }
.woocommerce form.checkout .col2-set .col-2 { margin-top: 35px; }
.woocommerce form.checkout > h3, .woocommerce form.checkout > #order_review { grid-column: 2; }
.woocommerce form.checkout > h3 { grid-row: 1; align-self: start; }
.woocommerce form.checkout > #order_review { grid-row: 1; margin-top: 52px; }
.woocommerce #payment { border-radius: 0; background: var(--soft); }
.woocommerce #payment ul.payment_methods { border-bottom-color: var(--line); }
.woocommerce #payment #place_order, .woocommerce-cart .wc-proceed-to-checkout a.checkout-button { width: 100%; background: var(--yellow) !important; }
.account-page .woocommerce { max-width: 780px; }
.woocommerce form.login, .woocommerce form.register { margin: 0; padding: 35px; border: 1px solid var(--line); border-radius: 0; background: var(--soft); }
.woocommerce-MyAccount-navigation ul { margin: 0; padding: 0; list-style: none; }
.woocommerce-MyAccount-navigation li { border-bottom: 1px solid var(--line); }
.woocommerce-MyAccount-navigation a { display: block; padding: 11px; text-decoration: none; text-transform: uppercase; }

/* Footer */
.footer-product-rail { padding: 65px 0; background: var(--soft); border-top: 1px solid var(--line); }
.footer-product-rail__grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 34px; }
.footer-product-group > h2 { margin-bottom: 25px; font-size: .92rem; text-transform: uppercase; }
.footer-product-group > a { display: grid; grid-template-columns: 72px 1fr; gap: 14px; align-items: center; padding: 11px 0; border-top: 1px solid var(--line); text-decoration: none; }
.footer-product-group img { width: 72px; height: 72px; object-fit: contain; background: var(--white); }
.footer-product-group strong { display: -webkit-box; overflow: hidden; color: var(--charcoal); font-size: .7rem; line-height: 1.35; -webkit-line-clamp: 2; -webkit-box-orient: vertical; text-transform: uppercase; }
.footer-product-group .price { color: var(--yellow-dark); font-size: .78rem; font-weight: 800; }
.site-footer { padding: 72px 0 28px; color: #9e9e9e; background: var(--charcoal); }
.footer-grid { display: grid; grid-template-columns: 1.35fr .7fr .9fr .9fr; gap: 58px; padding-bottom: 55px; }
.brand--footer { margin-bottom: 22px; }
.footer-brand p { max-width: 300px; font-size: .8rem; }
.site-footer h2 { color: var(--white); font-size: .82rem; text-transform: uppercase; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: 8px 0; }
.site-footer a:not(.brand) { color: #aaa; text-decoration: none; font-size: .78rem; }
.site-footer a:not(.brand):hover { color: var(--yellow); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 24px; border-top: 1px solid #454545; font-size: .7rem; }
.footer-bottom p { margin: 0; }
.payment-marks { color: var(--yellow); font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.to-top { position: fixed; right: 18px; bottom: 18px; z-index: 30; width: 40px; height: 40px; display: grid; place-items: center; color: var(--charcoal); background: var(--yellow); text-decoration: none; }

/* General WordPress */
.content-card { margin-bottom: 30px; padding: 30px; background: var(--soft); }
.error404 .site-main { min-height: 460px; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; }
.not-found-content h2 { max-width: 650px; }
.hero-search--light { border-color: var(--line); background: var(--soft); }
.hero-search--light input { color: var(--charcoal); }
.hero-search--light input::placeholder { color: var(--muted); }
.article-index .content-card { border-left: 4px solid var(--yellow); }
.article-index h2 { margin-bottom: 12px; font-size: 1.55rem; text-transform: uppercase; }
.article-index h2 a, .text-link { text-decoration: none; }
.text-link { color: var(--yellow-dark); font-size: .75rem; font-weight: 800; text-transform: uppercase; }

@media (max-width: 980px) {
  .header-actions { gap: 18px; }
  .header-actions > a:not(.header-cart) { display: none; }
  .primary-nav ul { gap: 27px; }
  .energy-home-hero__inner, .confidence-section__grid, .compatibility-layout__grid { grid-template-columns: 1fr; gap: 40px; }
  .energy-home-hero__copy { padding-bottom: 15px; }
  .energy-home-hero__product { max-width: 520px; padding-top: 0; margin-inline: auto; }
  .catalog-card-grid { grid-template-columns: repeat(2,1fr); }
  .shop-layout, .search-layout { grid-template-columns: 245px 1fr; gap: 28px; }
  .shop-main .woocommerce ul.products, .woocommerce ul.products { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .woocommerce div.product { grid-template-columns: 1fr; gap: 35px; }
  .woocommerce div.product .woocommerce-tabs, .woocommerce div.product .related, .woocommerce div.product .up-sells, .woocommerce div.product .csr-section { grid-column: 1/-1; }
  .woocommerce div.product .related ul.products { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .woocommerce form.checkout { grid-template-columns: minmax(0,1fr) 300px; gap: 30px; }
  .footer-product-rail__grid, .footer-grid { grid-template-columns: repeat(2,1fr); }
  .compatibility-layout aside { position: static; }
}

@media (max-width: 720px) {
  body { font-size: 14px; }
  .container { width: min(calc(100% - 30px), var(--container)); }
  .header-utility { display: none; }
  .header-branding__inner { min-height: 70px; }
  .brand__mark { width: 31px; height: 38px; }
  .brand strong { font-size: 1.3rem; }
  .brand small { font-size: .48rem; }
  .header-actions { margin-left: auto; }
  .header-actions .header-cart span { display: none; }
  .header-cart { min-width: 44px; min-height: 44px; justify-content: center; }
  .nav-toggle { display: block; }
  .header-navigation__inner { min-height: 52px; }
  .primary-nav { position: absolute; top: 52px; left: -15px; right: -15px; z-index: 12; display: none; padding: 20px 22px; background: var(--yellow); box-shadow: 0 15px 25px rgba(0,0,0,.18); }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { display: grid; gap: 12px; }
  .primary-nav a { display: block; min-height: 44px; padding: 10px 0; }
  .primary-nav .current-menu-item > a { color: var(--charcoal); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }
  .header-search { top: 52px; left: 0; right: 0; width: 100%; }
  .energy-page-hero__inner { min-height: 145px; display: grid; align-content: center; }
  .energy-breadcrumb { display: none; }
  .energy-title-frame { padding: 20px; }
  .energy-title-frame h1 { font-size: 1.42rem; }
  .single-product .energy-page-hero__inner { min-height: 132px; }
  .single-product .energy-title-frame h1 { font-size: 1.08rem; line-height: 1.22; }
  .energy-home-hero, .energy-home-hero__inner { min-height: auto; }
  .energy-home-hero__copy { padding: 64px 0 20px; }
  .energy-home-hero h1 { font-size: clamp(2.4rem,13vw,3.6rem); }
  .hero-search { grid-template-columns: 1fr; }
  .hero-search button { min-height: 48px; }
  .energy-home-hero__product { padding: 20px 0 80px; }
  .home-shortcuts { margin-top: 0; }
  .home-shortcuts__grid, .energy-service-band__grid, .catalog-type-links, .contact-route-grid, .form-grid { grid-template-columns: 1fr; }
  .energy-category-grid, .catalog-card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; background: transparent; }
  .energy-category-grid a { min-height: 170px; padding: 20px; }
  .catalog-card-grid a { min-height: 145px; padding: 17px; }
  .home-shortcuts a { border-right: 0; border-bottom: 1px solid var(--line); }
  .energy-service-band article { border-right: 0; border-bottom: 1px solid #464646; }
  .section, .energy-section { padding: 68px 0; }
  .shop-layout, .search-layout { display: flex; flex-direction: column; padding-top: 36px; }
  .search-layout { padding-bottom: 60px; }
  .shop-filter-toggle { order: 1; min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 18px; border: 0; color: var(--white); background: var(--charcoal); font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
  .shop-filter-toggle.is-open { color: var(--charcoal); background: var(--yellow); }
  .shop-sidebar { order: 2; width: 100%; margin: 0 0 35px; padding: 26px 22px; background: var(--soft); }
  .js .shop-sidebar { display: none; }
  .js .shop-sidebar.is-open { display: block; }
  .shop-main { order: 3; }
  .shop-main .woocommerce ul.products, .woocommerce ul.products { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px 12px; }
  .woocommerce .woocommerce-ordering { float: none; }
  .woocommerce .woocommerce-ordering select { width: 100%; min-width: 0; }
  .woocommerce ul.products li.product a img { margin-bottom: 18px; padding: 12px; }
  .woocommerce ul.products li.product .woocommerce-loop-product__title { min-height: 5.3em; display: -webkit-box; overflow: hidden; padding: 0 4px; font-size: .68rem; line-height: 1.32; -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
  .product-card-category { max-width: calc(100% - 12px); margin: -29px 6px 11px; overflow: hidden; padding: 4px 6px; font-size: .48rem; white-space: nowrap; text-overflow: ellipsis; }
  .woocommerce ul.products li.product .price { margin-bottom: 11px; font-size: .88rem; }
  .woocommerce ul.products li.product .button { width: 100%; min-height: 44px; padding: 8px 5px; font-size: .63rem !important; }
  .commerce-shell { padding-top: 58px; }
  .woocommerce div.product .woocommerce-tabs ul.tabs { display: grid; }
  .woocommerce div.product .woocommerce-tabs ul.tabs li { width: 100%; }
  .woocommerce div.product .related ul.products { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .product-fit-summary p { grid-template-columns: 1fr; gap: 4px; }
  .checkout-steps { gap: 5px; padding: 38px 0 24px; font-size: .7rem; white-space: nowrap; }
  .checkout-steps > *:not(:last-child)::after { margin-left: 5px; }
  .woocommerce form.checkout { display: block; }
  .woocommerce form.checkout .form-row-first, .woocommerce form.checkout .form-row-last { float: none; width: 100%; }
  .woocommerce form.checkout > #order_review { margin-top: 25px; }
  .woocommerce .cart-collaterals .cart_totals { float: none; width: 100%; }
  .woocommerce-cart table.cart .product-thumbnail { display: none; }
  .woocommerce a.remove { width: 40px; height: 40px; line-height: 38px; }
  .compatibility-form-wrap { padding: 25px 19px; }
  .form-grid__wide { grid-column: auto; }
  .footer-product-rail { padding: 48px 0; }
  .footer-product-rail__grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 32px 14px; }
  .footer-product-group > h2 { margin-bottom: 14px; font-size: .72rem; }
  .footer-product-group > a { grid-template-columns: 46px 1fr; gap: 8px; padding: 8px 0; }
  .footer-product-group > a:nth-of-type(n+3) { display: none; }
  .footer-product-group img { width: 46px; height: 46px; }
  .footer-product-group strong { font-size: .56rem; }
  .footer-product-group .price { font-size: .66rem; }
  .footer-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 38px 24px; }
  .footer-brand { grid-column: 1/-1; }
  .site-footer li { margin: 0; }
  .site-footer a:not(.brand) { min-height: 38px; display: flex; align-items: center; }
  .footer-bottom, .energy-cta .container { display: grid; }
}

@media (max-width: 370px) {
  .container { width: min(calc(100% - 24px), var(--container)); }
  .brand strong { font-size: 1.16rem; }
  .brand small { display: none; }
  .header-actions { gap: 6px; }
  .energy-home-hero h1 { font-size: 2.25rem; }
  .woocommerce ul.products li.product .woocommerce-loop-product__title { font-size: .64rem; }
  .footer-product-rail__grid { grid-template-columns: 1fr; }
}

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