/* MDSmart storefront design system */
:root {
  --ink-950: #0c1829;
  --ink-900: #12243f;
  --ink-800: #1d3657;
  --ink-700: #314b69;
  --ink-600: #51657d;
  --ink-500: #6f7f91;
  --gold-700: #8a6424;
  --gold-600: #a97829;
  --gold-500: #bd8a35;
  --gold-100: #f5ead7;
  --slate-100: #eef2f6;
  --slate-50: #f6f8fa;
  --white: #fff;
  --success: #1f6f4a;
  --danger: #a9281d;
  --border: #dbe2ea;
  --border-strong: #c5cfda;
  --shadow-raised: 0 18px 45px rgba(12, 24, 41, .09);
  --container: 1240px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 0; background: var(--slate-50); color: var(--ink-950); font: 400 1rem/1.6 var(--font-sans, inherit); }
body.no-scroll { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; text-underline-offset: .18em; }
a:hover { color: var(--gold-700); }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; opacity: .58; }
:focus-visible { outline: 3px solid var(--gold-500); outline-offset: 3px; }
h1, h2, h3 { margin: 0; color: var(--ink-950); line-height: 1.16; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4vw, 3.35rem); font-weight: 720; letter-spacing: -.035em; }
h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); font-weight: 680; letter-spacing: -.02em; }
h3 { font-size: 1.05rem; font-weight: 660; }
p { margin: 0 0 var(--space-4); }

.container { width: min(calc(100% - 2rem), var(--container)); margin-inline: auto; }
.site-main { min-height: 58vh; padding: var(--space-7) 0 var(--space-8); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; left: 1rem; top: .5rem; z-index: 100; transform: translateY(-150%); background: var(--ink-950); color: #fff; padding: .65rem 1rem; border-radius: var(--radius-sm); }
.skip-link:focus { transform: none; }
.muted { color: var(--ink-600); }
.eyebrow { margin: 0 0 var(--space-2); color: var(--gold-700); font-size: .75rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.surface { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.page-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-6); }
.section-block { padding-top: var(--space-8); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-5); }
.card-link { display: inline-flex; width: fit-content; align-items: center; gap: .35rem; color: var(--ink-800); font-size: .88rem; font-weight: 700; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border); backdrop-filter: blur(14px); }
.header-row { min-height: 72px; display: flex; align-items: center; gap: var(--space-5); }
.site-logo { display: inline-flex; flex: 0 0 auto; align-items: center; }
.site-logo img { width: auto; height: 44px; max-width: 148px; object-fit: contain; }
.desktop-nav, .header-actions { display: flex; align-items: center; gap: var(--space-4); font-size: .9rem; font-weight: 620; }
.desktop-nav a { white-space: nowrap; }
.header-search { margin-left: auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; min-width: 220px; max-width: 370px; border: 1px solid var(--border-strong); border-radius: var(--radius-md); overflow: hidden; background: #fff; }
.header-search input { min-width: 0; border: 0; padding: .68rem .85rem; color: var(--ink-950); background: transparent; }
.header-search button { min-height: 44px; border-radius: 0; }
.cart-link { padding: .55rem .8rem; border: 1px solid var(--border-strong); border-radius: var(--radius-md); }
.menu-toggle { display: none; }
.mobile-nav { background: #fff; border-top: 1px solid var(--border); }
.mobile-nav[hidden] { display: none; }
.mobile-nav .container { display: grid; padding-block: var(--space-3); }
.mobile-nav a { padding: .72rem 0; border-bottom: 1px solid var(--border); }

/* Buttons and forms */
.button, button[type="submit"], .menu-toggle, .icon-button { min-height: 44px; border: 1px solid transparent; border-radius: var(--radius-md); padding: .65rem 1rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); background: var(--ink-900); color: #fff; font-weight: 660; line-height: 1.2; transition: background .16s ease, border-color .16s ease, transform .16s ease; }
.button:hover, button[type="submit"]:hover { background: var(--ink-800); color: #fff; }
.button:active, button[type="submit"]:active { transform: translateY(1px); }
.button-secondary { background: #fff; color: var(--ink-900); border-color: var(--border-strong); }
.button-secondary:hover { background: var(--slate-100); color: var(--ink-950); }
.button-tertiary { background: transparent; color: var(--ink-800); padding-inline: .25rem; }
.button-danger { background: transparent; color: var(--danger); border-color: #e6b8b3; }
.icon-button { width: 44px; padding: 0; background: #fff; color: var(--ink-900); border-color: var(--border-strong); font-size: 1.15rem; }
.menu-toggle { display: none; }
label { color: var(--ink-800); font-size: .9rem; font-weight: 620; }
input:not([type="radio"]):not([type="checkbox"]), select, textarea { width: 100%; min-height: 44px; border: 1px solid var(--border-strong); border-radius: var(--radius-md); background: #fff; color: var(--ink-950); padding: .68rem .8rem; }
textarea { min-height: 110px; resize: vertical; }
input::placeholder, textarea::placeholder { color: var(--ink-500); }
fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
legend { margin-bottom: var(--space-3); color: var(--ink-950); font-weight: 680; }
.form-card { padding: clamp(1.25rem, 3vw, 2rem); }
.form-card p { display: grid; gap: var(--space-2); margin-bottom: var(--space-4); }
.helptext { color: var(--ink-600); font-size: .82rem; }
.errorlist { margin: 0; padding: 0; list-style: none; color: var(--danger); font-size: .86rem; }
.password-field { position: relative; display: block; }
.password-field input { padding-right: 6rem !important; }
.password-toggle { position: absolute; right: .35rem; top: 50%; min-height: 36px; transform: translateY(-50%); border: 0; background: transparent; color: var(--ink-700); font-size: .8rem; font-weight: 680; }
.flash-stack { padding-top: var(--space-4); }
.flash { padding: .75rem 1rem; border: 1px solid #b7d2f0; border-radius: var(--radius-md); background: #eef6ff; }
.flash-success { color: var(--success); border-color: #b8dfca; background: #eef9f3; }
.flash-error { color: var(--danger); border-color: #e6b8b3; background: #fff2f1; }

/* Product media and cards */
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--space-4); }
.product-card { min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); transition: border-color .16s ease, box-shadow .16s ease; }
.product-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-raised); }
.product-media { aspect-ratio: 4/3; display: grid; place-items: center; overflow: hidden; background: var(--slate-100); }
.product-media img { width: 100%; height: 100%; object-fit: contain; }
.product-card-body { min-height: 225px; display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4); }
.product-card-topline { min-height: 30px; display: flex; align-items: start; justify-content: space-between; gap: var(--space-2); }
.product-card-topline .eyebrow { padding-top: .35rem; }
.favorite-button { width: 38px; height: 38px; display: grid; flex: 0 0 auto; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--ink-600); }
.favorite-button:hover, .favorite-button.is-active { background: var(--gold-100); color: var(--gold-700); }
.favorite-button svg { width: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.product-card h3 { min-height: 2.55em; display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.product-card-meta { min-height: 1.5em; margin: 0; color: var(--ink-600); font-size: .8rem; }
.product-card-pricing { min-height: 64px; display: flex; align-items: end; gap: var(--space-2); margin-top: auto; }
.discount-label { display: inline-flex; width: fit-content; align-items: center; border-radius: var(--radius-sm); padding: .22rem .45rem; background: var(--gold-100); color: var(--gold-700); font-size: .76rem; font-weight: 750; }
.product-placeholder { width: 65%; aspect-ratio: 4/3; display: grid; place-items: center; border: 2px solid var(--border-strong); border-radius: 18px; }
.product-placeholder span { width: 42%; height: 42%; border: 2px solid var(--border-strong); border-radius: 50%; }
.product-placeholder-large { max-width: 300px; }
.price-stack { display: grid; gap: .15rem; margin-top: auto; }
.price-main { color: var(--ink-950); font-size: 1.15rem; font-weight: 730; letter-spacing: -.015em; }
.price-alt { color: var(--ink-600); font-size: .83rem; font-variant-numeric: tabular-nums; }
.status { display: inline-flex; width: fit-content; align-items: center; border-radius: 999px; padding: .25rem .55rem; background: var(--gold-100); color: var(--gold-700); font-size: .75rem; font-weight: 700; }
.card-action { margin-top: var(--space-2); color: var(--ink-800); font-size: .88rem; font-weight: 700; }

/* Home */
.hero { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(320px,.75fr); min-height: 430px; overflow: hidden; background: var(--ink-900); color: #fff; }
.hero-copy { align-self: center; padding: clamp(2rem, 6vw, 4.75rem); }
.hero h1 { max-width: 16ch; color: #fff; }
.hero .document-lead { max-width: 60ch; color: #d3dce7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.hero .button { background: var(--gold-500); color: var(--ink-950); }
.hero-aside { display: grid; align-content: end; gap: var(--space-3); padding: var(--space-6); background: #e7edf4; color: var(--ink-950); }
.hero-fact { padding-top: var(--space-3); border-top: 1px solid var(--border-strong); }
.hero-fact strong, .hero-fact span { display: block; }
.hero-fact span { color: var(--ink-600); font-size: .9rem; }
.category-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: var(--space-4); }
.category-card { position: relative; min-height: 220px; display: flex; flex-direction: column; justify-content: end; overflow: hidden; padding: var(--space-5); background: var(--ink-900); color: #fff; border-radius: var(--radius-md); }
.category-card h3 { color: #fff; font-size: 1.25rem; }
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.category-card > *:not(img) { position: relative; }
.category-card span { font-size: .86rem; }
.editorial-section { margin-top: var(--space-8); padding: var(--space-7) clamp(1rem,3vw,2rem); background: var(--slate-100); }
.process-list { counter-reset: none; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin: 0; padding: 0; list-style: none; border-block: 1px solid var(--border); }
.process-list li { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); padding: var(--space-5); border-right: 1px solid var(--border); }
.process-list li:last-child { border-right: 0; }
.process-list > li > span { color: var(--gold-700); font-weight: 800; }
.process-list p { margin: .25rem 0 0; color: var(--ink-600); font-size: .9rem; }

/* Catalogue */
.catalog-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: var(--space-6); }
.filters { align-self: start; position: sticky; top: 92px; padding: var(--space-5); }
.filter-heading { display: flex; align-items: center; justify-content: space-between; }
.filter-heading h2 { font-size: 1.2rem; }
.filter-close { display: none; min-height: 40px; border: 0; background: transparent; color: var(--ink-900); font-size: 1.5rem; }
.filters fieldset + fieldset { margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--border); }
.filters label { display: flex; align-items: center; gap: var(--space-2); margin-top: var(--space-2); font-weight: 500; }
.filters input[type="checkbox"], .filters input[type="radio"] { width: 18px; height: 18px; accent-color: var(--ink-900); }
.filter-price { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.filter-price label, .select-label { display: grid; align-items: initial; gap: var(--space-1); }
.discount-filter { padding-top: var(--space-4); }
.filter-actions { display: grid; gap: var(--space-2); margin-top: var(--space-5); }
.catalog-toolbar { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); }
.catalog-toolbar select { width: auto; min-width: 180px; }
.mobile-filter-button { display: none; }
.sort-form { display: flex; align-items: center; gap: var(--space-2); }
.sort-form label { white-space: nowrap; }
.active-filters { display: flex; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-4); padding: .65rem .8rem; border-left: 3px solid var(--gold-500); background: var(--gold-100); font-size: .86rem; }
.pagination { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; margin-top: var(--space-6); }
.pagination > :last-child { justify-self: end; }
.filter-backdrop[hidden] { display: none; }

/* Product detail */
.breadcrumbs { margin-bottom: var(--space-5); color: var(--ink-600); font-size: .86rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.product-detail { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(340px,.92fr); gap: clamp(1.5rem,5vw,4rem); align-items: start; }
.product-gallery { display: grid; grid-template-columns: 82px minmax(0,1fr); gap: var(--space-3); }
.gallery-thumbnails { display: grid; align-content: start; gap: var(--space-2); }
.gallery-thumb { width: 82px; aspect-ratio: 1; border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; padding: .25rem; }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.gallery-thumb[aria-current="true"] { border-color: var(--gold-500); box-shadow: inset 0 0 0 1px var(--gold-500); }
.gallery-main { aspect-ratio: 4/3; display: grid; place-items: center; overflow: hidden; background: var(--slate-100); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; }
.purchase-card { padding: clamp(1.25rem,3vw,2rem); box-shadow: var(--shadow-raised); }
.purchase-card h1 { margin-bottom: var(--space-3); font-size: clamp(1.8rem,3vw,2.55rem); }
.purchase-meta { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); color: var(--ink-600); font-size: .8rem; }
.purchase-price { margin: var(--space-5) 0; padding: var(--space-4) 0; border-block: 1px solid var(--border); }
.option-group { margin-top: var(--space-5); }
.option-label { margin-bottom: var(--space-2); color: var(--ink-800); font-weight: 680; }
.variant-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.variant-chip { position: relative; }
.variant-chip input { position: absolute; opacity: 0; pointer-events: none; }
.variant-chip span { min-height: 44px; display: inline-flex; align-items: center; padding: .55rem .8rem; border: 1px solid var(--border-strong); border-radius: var(--radius-md); background: #fff; color: var(--ink-800); font-weight: 620; }
.variant-chip input:checked + span { border-color: var(--gold-500); box-shadow: inset 0 0 0 1px var(--gold-500); color: var(--ink-950); }
.variant-chip input:focus-visible + span { outline: 3px solid var(--gold-500); outline-offset: 3px; }
.purchase-actions { display: grid; grid-template-columns: 100px minmax(0,1fr); gap: var(--space-3); margin-top: var(--space-5); }
.purchase-actions .button { width: 100%; }
.quantity-field { display: grid; gap: .2rem; font-size: .78rem; }
.purchase-favorite { margin-top: var(--space-3); }
.purchase-favorite .button { width: 100%; }
.purchase-notes { display: grid; gap: var(--space-3); margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--border); }
.purchase-note strong { display: block; }
.product-information { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); margin-top: var(--space-7); }
.product-description { max-width: none; margin: 0; }
.spec-card { padding: clamp(1.25rem,3vw,2rem); }
.spec-list { margin: var(--space-4) 0 0; }
.spec-list > div { display: grid; grid-template-columns: minmax(150px,.7fr) minmax(0,1fr); gap: var(--space-4); padding: .75rem 0; border-bottom: 1px solid var(--border); }
.spec-list dt { color: var(--ink-600); }
.spec-list dd { min-width: 0; margin: 0; overflow-wrap: anywhere; font-weight: 620; }

/* Cart, checkout and account */
.cart-layout, .checkout-layout, .profile-layout { display: grid; grid-template-columns: minmax(0,1fr) 350px; gap: var(--space-6); align-items: start; }
.cart-list { padding-inline: var(--space-5); }
.cart-item { display: grid; grid-template-columns: 112px minmax(0,1fr) auto; gap: var(--space-4); align-items: center; padding: var(--space-5) 0; border-bottom: 1px solid var(--border); }
.cart-item:last-child { border-bottom: 0; }
.cart-item .product-media { width: 112px; border-radius: var(--radius-md); }
.cart-actions { display: flex; align-items: center; gap: var(--space-2); }
.summary { position: sticky; top: 92px; padding: var(--space-5); box-shadow: var(--shadow-raised); }
.summary-row { display: flex; justify-content: space-between; gap: var(--space-4); padding: .6rem 0; }
.summary-total { margin-top: var(--space-2); padding-top: var(--space-4); border-top: 1px solid var(--border); font-size: 1.05rem; }
.summary .button { width: 100%; margin-top: var(--space-4); }
.auth-shell { max-width: 480px; margin: var(--space-6) auto; }
.profile-card, .order-card { padding: var(--space-5); }
.profile-layout { grid-template-columns: minmax(0,.9fr) minmax(360px,1.1fr); }
.card-heading { display: flex; align-items: start; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); }
.readonly-field { display: grid; gap: .15rem; margin-bottom: var(--space-5); padding: var(--space-4); background: var(--slate-50); border-radius: var(--radius-md); }
.readonly-field span, .readonly-field small { color: var(--ink-600); font-size: .8rem; }
.profile-form, .form-grid { display: grid; gap: var(--space-4); }
.form-field { display: grid; gap: var(--space-2); }
.account-empty { padding: var(--space-6) var(--space-4); text-align: center; }
.account-empty p { max-width: 42ch; margin-inline: auto; }
.order-row small, .order-row strong { display: block; }
.order-row > span:last-child { text-align: right; }
.form-intro { display: flex; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); }
.form-grid { grid-template-columns: 1fr 1fr; }
.form-field-wide { grid-column: 1 / -1; }
.form-alert { margin-bottom: var(--space-4); padding: var(--space-3); border: 1px solid #e6b8b3; border-radius: var(--radius-md); background: #fff2f1; color: var(--danger); }
.consent-note { margin: var(--space-5) 0; color: var(--ink-600); font-size: .84rem; }
.consent-note a { text-decoration: underline; }
.checkout-submit { width: 100%; }
.checkout-line { display: flex; align-items: start; justify-content: space-between; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--border); font-size: .88rem; }
.checkout-line small { display: block; color: var(--ink-600); }
.summary-notice { margin-top: var(--space-4); padding: var(--space-4); background: var(--slate-50); border-radius: var(--radius-md); }
.summary-notice p { margin: .25rem 0 0; color: var(--ink-600); font-size: .84rem; }
.empty-cart-illustration { width: 150px; margin: 0 auto var(--space-5); fill: none; stroke: var(--ink-700); stroke-linecap: round; stroke-linejoin: round; stroke-width: 3; }
.account-nav { display: flex; gap: var(--space-2); margin-bottom: var(--space-5); border-bottom: 1px solid var(--border); }
.account-nav a { padding: .7rem .25rem; margin-right: var(--space-4); color: var(--ink-600); font-weight: 620; }
.account-nav a[aria-current="page"] { color: var(--ink-950); border-bottom: 2px solid var(--gold-500); }
.order-list { display: grid; gap: var(--space-3); }
.order-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4); border: 1px solid var(--border); border-radius: var(--radius-md); }

/* Documents, empty and errors */
.document-shell { max-width: 920px; margin-inline: auto; padding: clamp(1.4rem,4vw,3rem); background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); }
.document-shell h1 { max-width: 20ch; }
.document-lead { max-width: 68ch; color: var(--ink-600); font-size: 1.08rem; }
.document-meta { color: var(--ink-600); font-size: .88rem; }
.document-shell section { scroll-margin-top: 100px; }
.document-shell section + section { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 1px solid var(--border); }
.document-toc { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-2); margin: var(--space-6) 0; padding: var(--space-4); background: var(--slate-50); border-radius: var(--radius-md); }
.document-toc a { color: var(--ink-700); }
.document-note { margin-top: var(--space-5); padding: var(--space-4); border-left: 3px solid var(--gold-500); background: var(--gold-100); }
.editorial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-top: var(--space-6); }
.empty-state { max-width: 650px; margin: var(--space-7) auto; padding: clamp(2rem,6vw,4.5rem); text-align: center; }
.empty-state p { max-width: 48ch; margin-inline: auto; }
.error-code { margin: 0; color: var(--gold-600); font-size: 1rem; font-weight: 800; letter-spacing: .2em; }

/* Footer */
.site-footer { margin-top: var(--space-8); padding: var(--space-7) 0 var(--space-4); background: var(--ink-950); color: #d8e0e9; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: var(--space-6); }
.site-footer h2 { margin-bottom: var(--space-3); color: #fff; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.site-footer p { color: #b9c5d2; font-size: .9rem; }
.site-footer a { display: block; margin: .4rem 0; }
.footer-logo img { height: 38px; filter: brightness(0) invert(1); }
.footer-bottom { margin-top: var(--space-6); padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,.14); color: #9eacbc; font-size: .82rem; }

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .product-grid, .category-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .catalog-layout { grid-template-columns: 230px minmax(0,1fr); }
  .footer-grid { grid-template-columns: 1.5fr repeat(3,1fr); }
}

@media (max-width: 780px) {
  .site-main { padding: var(--space-6) 0 var(--space-7); }
  .header-row { min-height: 64px; flex-wrap: wrap; gap: var(--space-2); padding-block: var(--space-2); }
  .site-logo img { height: 34px; max-width: 118px; }
  .header-actions { margin-left: auto; font-size: .82rem; gap: var(--space-2); }
  .menu-toggle { display: inline-flex; background: #fff; color: var(--ink-900); border-color: var(--border-strong); }
  .header-search { order: 5; flex: 1 0 100%; max-width: none; margin: 0; }
  .page-heading { align-items: start; flex-direction: column; margin-bottom: var(--space-5); }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding: var(--space-7) var(--space-5); }
  .hero-aside { padding: var(--space-5); }
  .category-grid, .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-3); }
  .catalog-layout, .product-detail, .cart-layout, .checkout-layout, .profile-layout, .product-information { grid-template-columns: 1fr; }
  .filters { display: none; position: fixed; z-index: 70; inset: 0 0 0 auto; width: min(92vw,380px); overflow-y: auto; border-radius: 0; }
  .filters.is-open { display: block; }
  .filter-close { display: inline-grid; place-items: center; }
  .filter-backdrop { position: fixed; z-index: 60; inset: 0; background: rgba(12,24,41,.45); }
  .mobile-filter-button { display: inline-flex; }
  .catalog-toolbar { align-items: stretch; flex-direction: column; }
  .catalog-toolbar .header-search { width: 100%; }
  .catalog-toolbar select { width: 100%; }
  .product-gallery { grid-template-columns: 1fr; }
  .gallery-thumbnails { order: 2; grid-auto-flow: column; grid-auto-columns: 72px; overflow-x: auto; }
  .gallery-thumb { width: 72px; }
  .purchase-card { box-shadow: none; }
  .cart-list { padding-inline: var(--space-4); }
  .cart-item { grid-template-columns: 80px minmax(0,1fr); padding: var(--space-4) 0; }
  .cart-item .product-media { width: 80px; }
  .cart-actions { grid-column: 2; }
  .summary { position: static; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li { border-right: 0; border-bottom: 1px solid var(--border); }
  .process-list li:last-child { border-bottom: 0; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field-wide { grid-column: auto; }
  .order-row { align-items: start; flex-direction: column; }
  .editorial-grid, .document-toc { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 440px) {
  .container { width: min(calc(100% - 1.25rem), var(--container)); }
  .header-actions a:not(.cart-link) { display: none; }
  .product-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .category-card { min-height: 170px; padding: var(--space-4); }
  .purchase-actions { grid-template-columns: 84px minmax(0,1fr); }
  .section-heading, .card-heading, .form-intro { align-items: start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media print {
  .site-header, .site-footer, .skip-link, .document-toc { display: none !important; }
  body, .site-main { background: #fff; padding: 0; }
  .document-shell { max-width: none; border: 0; padding: 0; }
}

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