:root {
  --ink: #172525;
  --brand: #159b9e;
  --brand-dark: #0f7779;
  --brand-soft: #e8f5f5;
  --surface: #f7fafa;
  --paper: #fff;
  --line: #d7e4e3;
  --muted: #687674;
  --status: #68ae1b;
  --danger: #e92929;
  --container: min(1580px, calc(100% - 32px));
  --shadow: 0 9px 28px rgba(20, 54, 54, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--surface); font: 16px/1.45 "Segoe UI", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body.no-scroll { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { color: inherit; }
svg { display: block; }
.container { width: var(--container); margin-inline: auto; }
.icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.hide { display: none !important; }

.utility { color: var(--ink); background: #e8f5f5; border-bottom: 1px solid var(--line); border-color: var(--line); font-size: .82rem; }
.utility-inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.utility-group { display: flex; align-items: center; gap: 26px; }
.utility strong, .utility a:hover { color: var(--brand-dark); }
.main-header { background: #fff; }
.header-row { min-height: 112px; display: grid; grid-template-columns: 310px minmax(320px, 1fr) auto; align-items: center; gap: clamp(24px, 4vw, 64px); }
.brand-logo { display: block; width: 285px; }
.brand-logo img { width: 100%; height: auto; }
.main-header .search { display: flex; width: 100%; height: 52px; }
.main-header .search input { min-width: 0; flex: 1; padding: 0 17px; border: 1px solid #cfd4cd; border-right: 0; border-radius: 2px 0 0 2px; outline: none; background: #fbfcfa; }
.main-header .search input:focus { border-color: var(--brand); background: #fff; box-shadow: inset 0 0 0 1px var(--brand); }
.main-header .search button { width: 58px; display: grid; place-items: center; color: #fff; border: 0; border-radius: 0 2px 2px 0; background: var(--brand-dark); cursor: pointer; transition: background .18s; }
.main-header .search button:hover { background: #0a6264; }
.header-actions { display: flex; align-items: stretch; gap: 28px; }
.header-action { display: flex; align-items: center; gap: 11px; min-width: max-content; }
.header-action-icon { position: relative; width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--line); }
.header-action-icon .icon { width: 25px; height: 25px; }
.header-action strong, .header-action small { display: block; }
.header-action strong { font-size: .9rem; }
.header-action small { margin-top: 2px; color: var(--muted); font-size: .78rem; }
.cart-count { position: absolute; top: -9px; right: -8px; min-width: 21px; height: 21px; padding: 0 5px; display: grid; place-items: center; color: #fff; background: var(--brand-dark); border: 2px solid #fff; border-radius: 50%; font-size: .68rem; font-weight: 900; }
.mobile-toggle { display: none; width: 46px; border: 1px solid var(--line); background: #fff; cursor: pointer; }

.nav-shell { position: relative; z-index: 40; color: var(--ink); background: #fff; border-block: 1px solid var(--line); }
.nav-row { min-height: 58px; display: flex; align-items: stretch; }
.catalog-nav { position: relative; width: 255px; flex: 0 0 255px; }
.catalog-trigger { width: 100%; height: 58px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #fff; background: var(--brand-dark); border: 0; cursor: pointer; font-size: .9rem; font-weight: 900; text-transform: uppercase; }
.catalog-trigger span { display: flex; align-items: center; gap: 10px; }
.trigger-chevron { transition: transform .2s; }
.catalog-nav.open .trigger-chevron, .catalog-nav:hover .trigger-chevron { transform: rotate(180deg); }
.mega-menu { position: absolute; z-index: 50; top: 58px; left: 0; width: min(1180px, calc(100vw - 32px)); padding: 30px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--brand); box-shadow: 0 15px 35px rgba(0,0,0,.18); opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s; }
.catalog-nav:hover .mega-menu, .catalog-nav:focus-within .mega-menu, .catalog-nav.open .mega-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-column h3 { margin: 0 0 13px; padding-bottom: 9px; border-bottom: 1px solid var(--line); font-size: .92rem; text-transform: uppercase; }
.mega-column h3 a { color: var(--brand-dark); }
.mega-column ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.mega-column li a { display: flex; align-items: center; gap: 8px; color: #4b5957; font-size: .9rem; }
.mega-column li a::before { content: ""; width: 5px; height: 5px; background: var(--brand); }
.mega-column li a:hover { color: var(--brand-dark); transform: translateX(3px); }
.main-nav { flex: 1; display: flex; align-items: stretch; }
.main-nav > a { padding: 0 clamp(13px, 1.45vw, 25px); display: flex; align-items: center; border-right: 1px solid var(--line); font-size: .79rem; font-weight: 800; text-transform: uppercase; white-space: nowrap; }
.main-nav > a:hover, .main-nav > a.active { color: var(--brand-dark); background: var(--brand-soft); }

.breadcrumb { padding: 18px 0; color: #72807e; font-size: .82rem; }
.breadcrumb ol { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #aab5b3; }
.breadcrumb a:hover { color: var(--brand-dark); }
.page-title-box { margin-bottom: 18px; padding: 23px 26px; background: #fff; border: 1px solid var(--line); }
.page-title-box h1 { margin: 0; font-size: clamp(1.65rem, 2.6vw, 2.45rem); line-height: 1.08; letter-spacing: -.035em; }
.page-title-box p { max-width: 880px; margin: 9px 0 0; color: var(--muted); }

.catalog-layout { display: grid; grid-template-columns: 282px minmax(0, 1fr); gap: 18px; align-items: start; padding-bottom: 54px; }
.sidebar { display: grid; gap: 16px; }
.side-box { background: #fff; border: 1px solid var(--line); }
.side-title { margin: 0; padding: 15px 17px 12px; border-bottom: 3px solid var(--brand); font-size: 1rem; text-transform: uppercase; }
.filter-head .side-title { padding: 0; border: 0; }
.filter-close { display: none; padding: 0 5px; color: var(--ink); background: transparent; border: 0; font-size: 1.7rem; cursor: pointer; }
.catalog-help { padding-bottom: 18px; }
.catalog-help p { margin: 15px 17px; color: var(--muted); font-size: .84rem; }
.catalog-help a { display: inline-block; margin: 0 17px; color: var(--brand-dark); font-weight: 900; }
.subcategory-links { margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.subcategory-links a { padding: 8px 12px; color: var(--brand-dark); background: #fff; border: 1px solid var(--line); font-size: .82rem; font-weight: 800; }
.subcategory-links a:hover { background: var(--brand-soft); }
.catalog-empty { padding: 40px 25px; background: #fff; border: 1px solid var(--line); }
.catalog-empty a { color: var(--brand-dark); font-weight: 800; }
.category-tree { list-style: none; margin: 0; padding: 9px 0 14px; }
.category-tree > li > a, .category-tree summary { padding: 8px 17px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-size: .88rem; font-weight: 750; }
.category-tree a:hover, .category-tree a.active { color: var(--brand-dark); background: var(--brand-soft); }
.category-tree details ul { list-style: none; margin: 0; padding: 2px 0 8px; }
.category-tree details li a { padding: 7px 17px 7px 31px; display: block; color: #53615f; font-size: .84rem; }
.category-tree summary::-webkit-details-marker { display: none; }
.category-tree summary::after { content: "+"; color: var(--brand-dark); font-size: 1.1rem; }
.category-tree details[open] summary::after { content: "−"; }
.filter-head { padding: 15px 17px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.filter-head h2 { margin: 0; font-size: 1rem; text-transform: uppercase; }
.filter-reset { padding: 0; color: var(--brand-dark); background: none; border: 0; cursor: pointer; font-size: .75rem; font-weight: 800; }
.filter-group { padding: 14px 17px; border-bottom: 1px solid var(--line); }
.filter-group:last-child { border-bottom: 0; }
.filter-group h3 { margin: 0 0 11px; font-size: .82rem; text-transform: uppercase; }
.filter-list { display: grid; gap: 9px; }
.check-row { display: flex; align-items: center; gap: 9px; color: #4f5e5c; font-size: .84rem; cursor: pointer; }
.check-row input { width: 16px; height: 16px; accent-color: var(--brand-dark); }
.check-row small { margin-left: auto; color: #9aa5a3; }
.price-range { width: 100%; accent-color: var(--brand); }
.price-values { margin-top: 5px; display: flex; justify-content: space-between; color: var(--muted); font-size: .76rem; }
.filter-mobile-button { display: none; min-height: 44px; padding: 0 16px; align-items: center; justify-content: center; gap: 8px; color: #fff; background: var(--brand-dark); border: 0; font-weight: 800; }

.toolbar { min-height: 62px; margin-bottom: 14px; padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; gap: 18px; background: #fff; border: 1px solid var(--line); }
.result-count { color: #566462; font-size: .86rem; }
.result-count strong { color: var(--ink); }
.toolbar-actions { display: flex; align-items: center; gap: 16px; }
.view-buttons { display: flex; }
.view-button { width: 39px; height: 39px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); cursor: pointer; }
.view-button + .view-button { border-left: 0; }
.view-button.active { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
.sort-label { display: flex; align-items: center; gap: 9px; font-size: .82rem; font-weight: 750; }
.sort-label select { min-height: 40px; padding: 0 35px 0 12px; color: var(--ink); background: #fff; border: 1px solid var(--line); outline: 0; }

.catalog-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.product-card { position: relative; min-width: 0; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); transition: .18s; }
.product-card:hover { transform: translateY(-2px); border-color: #b9d0ce; box-shadow: var(--shadow); }
.product-photo { position: relative; height: 255px; padding: 16px; display: grid; place-items: center; overflow: hidden; border-bottom: 1px solid #edf2f1; }
.product-image-link { width: 100%; height: 100%; min-width: 0; min-height: 0; display: grid; place-items: center; }
.product-photo img { width: 100%; height: 100%; min-width: 0; min-height: 0; max-height: 100%; object-fit: contain; }
.badge { position: absolute; z-index: 2; top: 10px; left: 10px; padding: 4px 8px; color: #fff; background: var(--brand-dark); font-size: .68rem; font-weight: 900; text-transform: uppercase; }
.badge.sale { background: var(--danger); }
.wishlist { position: absolute; z-index: 2; top: 9px; right: 9px; width: 35px; height: 35px; display: grid; place-items: center; color: #7d8987; background: #fff; border: 1px solid var(--line); border-radius: 50%; cursor: pointer; }
.wishlist:hover, .wishlist.active { color: var(--danger); border-color: var(--danger); }
.product-body { flex: 1; padding: 15px 15px 11px; }
.product-brand { margin: 0 0 6px; color: var(--brand-dark); font-size: .7rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.product-name { min-height: 44px; margin: 0; font-size: .93rem; line-height: 1.3; }
.product-name a:hover { color: var(--brand-dark); }
.product-spec { margin: 9px 0 0; color: var(--muted); font-size: .76rem; }
.product-data { padding: 13px 15px 15px; display: flex; align-items: end; justify-content: space-between; gap: 10px; border-top: 1px solid #edf2f1; }
.product-data form { margin: 0; }
.price { color: var(--brand-dark); font-size: 1.05rem; font-weight: 900; }
.stock { margin-top: 4px; color: #788582; font-size: .71rem; }
.stock::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 5px; background: var(--status); border-radius: 50%; }
.stock.unavailable::before { background: #a8b5b3; }
.add-cart { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: var(--ink); border: 0; cursor: pointer; }
.add-cart:hover { background: var(--brand-dark); }
.catalog-grid.list-view { grid-template-columns: 1fr; }
.catalog-grid.list-view .product-card { display: grid; grid-template-columns: 210px 1fr auto; min-height: 210px; }
.catalog-grid.list-view .product-photo { height: 210px; border-right: 1px solid #edf2f1; border-bottom: 0; }
.catalog-grid.list-view .product-body { padding: 30px; }
.catalog-grid.list-view .product-name { min-height: 0; font-size: 1.2rem; }
.catalog-grid.list-view .product-data { min-width: 190px; padding: 30px 22px; align-items: center; border-top: 0; border-left: 1px solid #edf2f1; }
.pagination { margin-top: 22px; display: flex; justify-content: center; gap: 6px; }
.page-button { min-width: 42px; height: 42px; padding: 0 13px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); font-weight: 800; }
.page-button.active, .page-button:hover { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
.category-copy { margin-top: 30px; padding: 28px; background: #fff; border: 1px solid var(--line); }
.category-copy h2 { margin: 0 0 13px; font-size: 1.55rem; }
.category-copy p { margin: 0 0 12px; color: #586664; }
.category-copy p:last-child { margin-bottom: 0; }

.product-main { padding-bottom: 48px; }
.product-overview { display: grid; grid-template-columns: minmax(390px, .95fr) minmax(420px, 1.15fr) 320px; gap: 26px; padding: 26px; background: #fff; border: 1px solid var(--line); }
.gallery-main { position: relative; height: 500px; padding: 18px; display: grid; place-items: center; border: 1px solid var(--line); overflow: hidden; }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.gallery-zoom { position: absolute; right: 13px; bottom: 13px; width: 42px; height: 42px; display: grid; place-items: center; color: var(--brand-dark); background: #fff; border: 1px solid var(--line); }
.thumbnails { margin-top: 10px; display: grid; grid-template-columns: repeat(4, 82px); gap: 8px; }
.thumb { width: 82px; height: 82px; padding: 6px; display: grid; place-items: center; background: #fff; border: 1px solid var(--line); cursor: pointer; }
.thumb.active { border: 2px solid var(--brand); }
.thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-summary { padding: 7px 0; }
.product-labels { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.brand-chip { padding: 5px 9px; color: var(--brand-dark); background: var(--brand-soft); font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.availability { color: var(--status); font-size: .82rem; font-weight: 800; }
.availability::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 6px; background: var(--status); border-radius: 50%; }
.product-summary h1 { margin: 17px 0 10px; font-size: clamp(2rem, 3vw, 3.2rem); line-height: 1.02; letter-spacing: -.045em; }
.sku { color: #86918f; font-size: .78rem; }
.lead { max-width: 650px; margin: 22px 0; color: #53615f; font-size: 1rem; }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-list li { min-height: 78px; padding: 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-list strong, .feature-list span { display: block; }
.feature-list strong { font-size: .8rem; }
.feature-list span { margin-top: 4px; color: var(--muted); font-size: .78rem; }
.summary-actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }
.text-action { min-height: 42px; padding: 0 14px; display: inline-flex; align-items: center; gap: 8px; color: var(--brand-dark); background: #fff; border: 1px solid var(--line); cursor: pointer; font-size: .82rem; font-weight: 800; }
.buy-box { align-self: start; border: 1px solid var(--line); }
.buy-head { padding: 14px 17px; color: #fff; background: var(--brand-dark); font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.buy-content { padding: 22px; }
.variant-field { margin-top: 18px; }
.variant-field label { display: block; margin-bottom: 7px; font-size: .78rem; font-weight: 850; text-transform: uppercase; }
.variant-field select { width: 100%; min-height: 44px; padding: 0 10px; color: var(--ink); background: #fff; border: 1px solid var(--line); }
.buy-price { color: var(--brand-dark); font-size: 2rem; line-height: 1; font-weight: 950; }
.buy-tax { margin-top: 7px; color: var(--muted); font-size: .74rem; }
.quantity-label { margin: 22px 0 7px; display: block; font-size: .78rem; font-weight: 850; text-transform: uppercase; }
.quantity { height: 46px; display: grid; grid-template-columns: 46px 1fr 46px; border: 1px solid var(--line); }
.quantity button { background: #f5f9f8; border: 0; cursor: pointer; font-size: 1.2rem; }
.quantity input { min-width: 0; width: 100%; text-align: center; border: 0; outline: 0; font-weight: 850; }
.buy-button { width: 100%; min-height: 50px; margin-top: 12px; display: flex; align-items: center; justify-content: center; gap: 10px; color: #fff; background: var(--brand-dark); border: 0; cursor: pointer; font-weight: 900; }
.buy-button:disabled { opacity: .48; cursor: not-allowed; }
.lead p { margin: 0 0 12px; }
.rte img { max-width: 100%; height: auto; }
.one-click { width: 100%; min-height: 46px; margin-top: 9px; color: var(--ink); background: #fff; border: 1px solid var(--ink); cursor: pointer; font-weight: 850; }
.buy-benefits { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; color: #52615f; font-size: .78rem; }
.buy-benefits li { display: flex; gap: 8px; }
.buy-benefits .icon { flex: 0 0 auto; width: 18px; height: 18px; color: var(--brand-dark); }

.trust-strip { margin-top: 16px; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--line); }
.trust-item { min-height: 78px; padding: 15px 18px; display: flex; align-items: center; gap: 12px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--brand-dark); background: var(--brand-soft); }
.trust-item strong, .trust-item small { display: block; }
.trust-item strong { font-size: .86rem; }
.trust-item small { margin-top: 2px; color: var(--muted); font-size: .75rem; }
.product-content { margin-top: 22px; display: grid; grid-template-columns: minmax(0, 2fr) minmax(300px, .75fr); gap: 18px; align-items: start; }
.tabs-box { background: #fff; border: 1px solid var(--line); }
.tab-list { display: flex; border-bottom: 1px solid var(--line); overflow-x: auto; }
.tab-button { min-height: 52px; padding: 0 22px; flex: 0 0 auto; color: #667371; background: #f8fbfa; border: 0; border-right: 1px solid var(--line); cursor: pointer; font-size: .82rem; font-weight: 900; text-transform: uppercase; }
.tab-button.active { color: var(--brand-dark); background: #fff; box-shadow: inset 0 3px var(--brand); }
.tab-panel { padding: 28px; }
.tab-panel h2 { margin: 0 0 16px; font-size: 1.55rem; }
.tab-panel h3 { margin: 24px 0 10px; font-size: 1.1rem; }
.tab-panel p { color: #52615f; }
.tab-panel ul { padding-left: 20px; color: #52615f; }
.tab-panel li { margin-bottom: 8px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 12px 14px; text-align: left; border: 1px solid var(--line); }
.spec-table th { width: 44%; background: #f5f9f8; font-size: .83rem; }
.spec-table td { color: #52615f; font-size: .86rem; }
.support-card { padding: 26px; color: #fff; background: var(--brand-dark); }
.support-card .eyebrow { margin: 0 0 10px; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.support-card h2 { margin: 0; font-size: 1.75rem; line-height: 1.05; }
.support-card p { color: rgba(255,255,255,.78); }
.support-card a { min-height: 45px; margin-top: 8px; padding: 0 16px; display: inline-flex; align-items: center; gap: 9px; color: var(--ink); background: #fff; font-weight: 900; }
.section-block { margin-top: 34px; }
.section-head { margin-bottom: 16px; padding-bottom: 11px; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.section-head h2 { position: relative; margin: 0; font-size: 1.65rem; }
.section-head h2::after { content: ""; position: absolute; left: 0; bottom: -14px; width: 95px; height: 3px; background: var(--brand); }
.accessory-grid, .related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mini-card { display: grid; grid-template-columns: 115px 1fr; min-height: 145px; background: #fff; border: 1px solid var(--line); }
.mini-card img { width: 115px; height: 100%; padding: 10px; object-fit: contain; border-right: 1px solid var(--line); }
.mini-body { padding: 16px; display: flex; flex-direction: column; align-items: flex-start; }
.mini-body h3 { flex: 1; margin: 0; font-size: .9rem; }
.mini-price { margin: 8px 0; color: var(--brand-dark); font-weight: 900; }
.mini-add { width: 35px; height: 35px; display: grid; place-items: center; color: #fff; background: var(--ink); border: 0; cursor: pointer; }

.footer { padding: 52px 0 18px; color: var(--ink); background: #edf6f5; }
.footer-grid { display: grid; grid-template-columns: 1.25fr repeat(3, .8fr); gap: 50px; align-items: start; }
.footer-brand { padding-right: 28px; }
.footer-logo { display: block; width: min(270px, 100%); height: auto; }
.footer-note { max-width: 350px; margin: 20px 0 0; padding-top: 18px; color: #526260; border-top: 1px solid #ccdada; border-color: #ccdada; font-size: .88rem; }
.footer h3 { margin: 0 0 18px; color: var(--ink); font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { display: grid; gap: 9px; color: #526260; font-size: .88rem; }
.footer-links a:hover { color: var(--brand-dark); }
.footer-contact { display: flex; gap: 9px; align-items: flex-start; }
.footer-contact .icon { flex: 0 0 auto; width: 18px; height: 18px; color: var(--brand); margin-top: 2px; }
.footer-bottom { margin-top: 43px; padding-top: 16px; display: flex; justify-content: space-between; gap: 20px; color: #697876; border-top: 1px solid #ccdada; border-color: #ccdada; font-size: .78rem; }
.toast { position: fixed; right: 20px; bottom: 20px; z-index: 100; padding: 13px 17px; display: flex; align-items: center; gap: 10px; color: #fff; background: var(--ink); border-left: 4px solid var(--brand); box-shadow: 0 12px 30px rgba(0,0,0,.2); transform: translateY(130%); opacity: 0; transition: .25s; }
.toast.show { transform: translateY(0); opacity: 1; }
.toast .icon { color: var(--brand); }

@media (max-width: 1380px) {
  .catalog-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .product-overview { grid-template-columns: minmax(350px, .9fr) minmax(390px, 1.1fr) 290px; }
  .accessory-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1320px) {
  .main-nav > a { padding-inline: 12px; font-size: .73rem; }
}
@media (max-width: 1080px) {
  .catalog-layout { grid-template-columns: 245px minmax(0, 1fr); }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .product-overview { grid-template-columns: minmax(360px, .9fr) 1.1fr; }
  .buy-box { grid-column: 1 / -1; display: grid; grid-template-columns: 190px 1fr; }
  .buy-content { display: grid; grid-template-columns: 1fr 220px 220px; gap: 12px; align-items: end; }
  .quantity-label { margin-top: 0; }
  .buy-benefits { grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .trust-item:nth-child(2) { border-right: 0; }
  .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 1060px) {
  .header-row { grid-template-columns: 235px 1fr auto; gap: 20px; }
  .brand-logo { width: 225px; }
  .header-action-text { display: none; }
  .main-nav > a:nth-last-child(-n+2) { display: none; }
}
@media (max-width: 800px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .filter-mobile-button { display: inline-flex; }
  .sidebar { display: none; position: fixed; inset: 0; z-index: 90; padding: 20px 12px; overflow: auto; background: rgba(13,37,37,.6); }
  .sidebar.open { display: block; }
  .filter-close { display: block; }
  .sidebar .side-box { max-width: 410px; margin-inline: auto; }
  .sidebar .side-box + .side-box { margin-top: 12px; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .toolbar-actions { justify-content: space-between; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .product-photo { height: 210px; }
  .catalog-grid.list-view .product-card { grid-template-columns: 145px 1fr; }
  .catalog-grid.list-view .product-photo { height: 170px; }
  .catalog-grid.list-view .product-body { padding: 16px; }
  .catalog-grid.list-view .product-data { grid-column: 1 / -1; min-width: 0; padding: 13px 15px; border-top: 1px solid #edf2f1; border-left: 0; }
  .product-overview { grid-template-columns: minmax(0, 1fr); padding: 15px; }
  .product-gallery, .product-summary, .buy-box { min-width: 0; }
  .thumbnails { display: flex; flex-wrap: wrap; }
  .gallery-main { height: 440px; }
  .buy-box { grid-column: auto; display: block; }
  .buy-content { display: block; }
  .quantity-label { margin-top: 22px; }
  .buy-benefits { display: grid; grid-template-columns: 1fr; }
  .product-content { grid-template-columns: minmax(0, 1fr); }
  .tabs-box, .support-card { min-width: 0; }
  .tab-panel { overflow-x: auto; overflow-wrap: anywhere; }
  .tab-panel iframe { max-width: 100%; }
  .tab-panel table[width] { width: 100%; max-width: 100%; table-layout: fixed; }
  .tab-panel table[width] th, .tab-panel table[width] td { overflow-wrap: anywhere; }
}
@media (max-width: 850px) {
  :root { --container: calc(100% - 24px); }
  .utility-inner { justify-content: center; }
  .utility-group:first-child a:not(:last-child), .utility-group:last-child { display: none; }
  .header-row { min-height: 0; grid-template-columns: minmax(0, 1fr) auto; column-gap: 8px; row-gap: 9px; padding-block: 10px; }
  .brand-logo { width: 205px; }
  .brand-logo img { max-height: 48px; transform: translateX(-8px); }
  .header-actions { gap: 8px; }
  .header-actions .header-action:first-child { display: none; }
  .mobile-toggle { display: grid; place-items: center; height: 46px; }
  .main-header .search { grid-column: 1 / -1; grid-row: 2; height: 46px; margin: 0; }
  .main-header .search button { width: 52px; }
  .nav-shell { display: none; position: fixed; inset: 0; z-index: 80; padding: 18px 12px; overflow: auto; }
  .nav-shell.open { display: block; }
  .nav-row { width: 100%; min-height: 0; flex-direction: column; }
  .catalog-nav { width: 100%; flex-basis: auto; }
  .catalog-trigger { height: 52px; }
  .mega-menu { position: static; width: 100%; margin: 0; padding: 22px 17px; display: none; grid-template-columns: 1fr; gap: 24px; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
  .catalog-nav.open .mega-menu { display: grid; }
  .main-nav { margin-top: 12px; flex-direction: column; }
  .main-nav > a, .main-nav > a:nth-last-child(-n+2) { min-height: 48px; display: flex; border-right: 0; border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .breadcrumb { padding-block: 13px; }
  .page-title-box { padding: 18px; }
  .tab-list { display: grid; grid-template-columns: 24% 38% 38%; overflow: visible; }
  .tab-button { min-width: 0; min-height: 54px; padding: 7px 4px; font-size: .75rem; font-weight: 600; letter-spacing: 0; line-height: 1.15; text-transform: none; white-space: normal; overflow-wrap: anywhere; text-align: center; }
  .toolbar-actions { align-items: stretch; flex-direction: column; }
  .sort-label { align-items: stretch; flex-direction: column; }
  .sort-label select { width: 100%; }
  .catalog-grid { grid-template-columns: 1fr; }
  .product-photo { height: 300px; }
  .gallery-main { height: 340px; }
  .feature-list { grid-template-columns: 1fr; }
  .trust-strip { grid-template-columns: 1fr; }
  .trust-item:nth-child(n) { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .tab-panel { padding: 20px; }
  .accessory-grid, .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .brand-logo { width: 165px; }
  .header-action-icon, .mobile-toggle { width: 42px; height: 42px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
