:root {
  --ink: #0a0d0f;
  --gunmetal: #12171b;
  --gunmetal-2: #1b2227;
  --steel: #4f94c4;
  --steel-bright: #72b5df;
  --mist: #f2f3f1;
  --white: #ffffff;
  --slate: #aab3ba;
  --line: rgba(255, 255, 255, 0.14);
  --dark-line: rgba(9, 13, 16, 0.16);
  --max: 1240px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--ink); color: var(--mist); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--steel-bright); outline-offset: 3px; }
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: white; color: black; font-weight: 700; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 40; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; min-height: 76px; padding: 0 var(--pad); background: rgba(10, 13, 15, .92); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.brand img { width: clamp(128px, 13vw, 162px); }
.desktop-nav { display: flex; justify-content: center; gap: clamp(1.25rem, 3vw, 2.5rem); }
.desktop-nav a, .text-link { color: #d8dde0; font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.desktop-nav a:hover, .text-link:hover { color: var(--steel-bright); }
.header-actions { display: flex; align-items: center; gap: 1.25rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; gap: .75rem; padding: .8rem 1.25rem; border: 1px solid var(--steel); background: var(--steel); color: #071016; font-weight: 800; letter-spacing: .02em; transition: transform .18s ease, background .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); background: var(--steel-bright); border-color: var(--steel-bright); }
.button-small { min-height: 42px; padding: .6rem 1rem; font-size: .86rem; }
.button-ghost { background: transparent; border-color: rgba(255,255,255,.32); color: white; }
.button-ghost:hover { background: white; border-color: white; color: var(--ink); }
.button-dark { background: var(--ink); border-color: var(--ink); color: white; }
.button-dark:hover { background: #20272c; border-color: #20272c; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(400px, .9fr); align-items: stretch; min-height: calc(100svh - 76px); max-width: 1600px; margin: 0 auto; overflow: hidden; }
.hero-copy { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: clamp(4rem, 8vw, 8rem) var(--pad); }
.eyebrow { display: flex; align-items: center; gap: .75rem; margin: 0 0 1rem; color: var(--steel-bright); font-size: .75rem; font-weight: 900; letter-spacing: .22em; line-height: 1.35; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: currentColor; }
h1, h2 { margin: 0; max-width: 14ch; font-family: "Arial Black", Impact, sans-serif; font-weight: 900; letter-spacing: -.055em; line-height: .91; text-transform: uppercase; }
h1 { font-size: clamp(3.6rem, 7.2vw, 7.8rem); }
h2 { font-size: clamp(2.7rem, 5.4vw, 5.6rem); }
.hero-lede { max-width: 600px; margin: 1.75rem 0 2rem; color: #c0c7cc; font-size: clamp(1rem, 1.45vw, 1.2rem); }
.hero-specs { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 640px; margin: clamp(2.5rem, 7vh, 5rem) 0 0; border-top: 1px solid var(--line); }
.hero-specs div { display: flex; flex-direction: column-reverse; padding: 1.2rem 1rem 0 0; border-right: 1px solid var(--line); }
.hero-specs div + div { padding-left: 1.25rem; }
.hero-specs div:last-child { border-right: 0; }
.hero-specs dt { margin-top: .4rem; color: #7f8a92; font-size: .68rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.hero-specs dd { margin: 0; font-size: 1.35rem; font-weight: 900; }
.hero-product { position: relative; min-width: 0; min-height: 650px; background: radial-gradient(circle at 50% 46%, #283238 0, #171d21 40%, #0c1012 72%); border-left: 1px solid var(--line); overflow: hidden; }
.product-stage-grid { position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, transparent 4%, black 36%, transparent 96%); }
.hero-product img { position: absolute; z-index: 2; left: 50%; bottom: 2%; width: min(88%, 720px); height: 90%; object-fit: contain; transform: translateX(-50%); filter: drop-shadow(0 30px 40px rgba(0,0,0,.65)); }
.stage-tag { position: absolute; z-index: 3; padding: .55rem .75rem; border: 1px solid rgba(255,255,255,.2); background: rgba(9,13,15,.76); color: #dbe0e3; font-size: .67rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; backdrop-filter: blur(6px); }
.stage-tag-top { left: 6%; top: 18%; }
.stage-tag-bottom { right: 4%; bottom: 9%; }
.rack-scale { position: absolute; z-index: 3; top: 16%; right: 3%; bottom: 14%; display: flex; flex-direction: column; justify-content: space-between; color: #69747b; font-size: .64rem; font-weight: 800; }
.rack-scale::after { content: ""; position: absolute; top: 5px; right: -12px; bottom: 5px; width: 7px; border: 1px solid #49535a; border-left: 0; }
.promise-strip { display: flex; align-items: center; justify-content: center; gap: clamp(1.25rem, 7vw, 6rem); padding: 1.05rem var(--pad); background: var(--steel); color: #071016; font-size: clamp(.68rem, 1vw, .78rem); font-weight: 900; letter-spacing: .22em; text-transform: uppercase; }
.promise-strip span + span::before { content: "/"; margin-right: clamp(1.25rem, 7vw, 6rem); opacity: .45; }

.section, .commerce-section { padding: clamp(5rem, 9vw, 9rem) var(--pad); }
.section-intro { max-width: var(--max); margin: 0 auto clamp(3rem, 6vw, 5rem); }
.split-intro { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); align-items: end; gap: clamp(2rem, 7vw, 7rem); }
.split-intro > p { max-width: 520px; margin: 0 0 .35rem; color: #aeb6bb; font-size: 1.08rem; }
.rack-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); max-width: var(--max); margin: 0 auto; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.rack-card { position: relative; min-width: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0d1113; }
.rack-card > img { width: 100%; aspect-ratio: 1 / 1; padding: 1rem; object-fit: contain; background: #f2f3f1; }
.rack-card-body { padding: 1.2rem; }
.rack-card .sku { margin: 0 0 .25rem; color: var(--steel-bright); font-size: .7rem; font-weight: 900; letter-spacing: .14em; }
.rack-card h3 { margin: 0; font-size: 1.18rem; line-height: 1.15; }
.rack-card h3 + p { min-height: 2.6em; margin: .45rem 0 1.2rem; color: #909aa0; font-size: .86rem; text-transform: uppercase; }
.rack-card dl { margin: 0 0 1.25rem; }
.rack-card dl div { display: flex; justify-content: space-between; gap: .5rem; padding: .45rem 0; border-top: 1px solid var(--line); font-size: .75rem; }
.rack-card dt { color: #788289; text-transform: uppercase; }
.rack-card dd { margin: 0; font-weight: 800; }
.rack-card a, .catalog-link { color: var(--steel-bright); font-size: .8rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.rack-card a:hover, .catalog-link:hover { color: white; }
.featured-card { box-shadow: inset 0 0 0 1px var(--steel); }
.card-badge { position: absolute; z-index: 3; top: .65rem; left: .65rem; padding: .35rem .5rem; background: var(--steel); color: #071016; font-size: .62rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.catalog-link { display: block; width: max-content; max-width: 100%; margin: 2rem auto 0; padding-bottom: .4rem; border-bottom: 1px solid var(--steel); }

.advantage-section { background: #07090a; }
.advantage-grid { display: grid; grid-template-columns: 1fr 1fr .85fr; max-width: var(--max); margin: 0 auto; border: 1px solid var(--line); }
.feature-card { min-height: 640px; border-right: 1px solid var(--line); }
.feature-card:last-child { border-right: 0; }
.feature-photo { position: relative; display: flex; align-items: end; background-image: linear-gradient(to top, rgba(5,8,9,.98) 7%, rgba(5,8,9,.75) 48%, rgba(5,8,9,.08)), var(--feature-image); background-size: cover; background-position: center; }
.feature-card-copy { padding: clamp(1.5rem, 3vw, 2.5rem); }
.feature-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 1.8rem; border: 1px solid rgba(255,255,255,.28); color: var(--steel-bright); font-size: 1.2rem; }
.feature-card h3 { margin: 0 0 1rem; font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 400; letter-spacing: -.05em; line-height: .98; text-transform: uppercase; }
.feature-card p:last-child { color: #b9c0c4; }
.capacity-card { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(1.5rem, 3vw, 2.5rem); background: var(--mist); color: var(--ink); }
.capacity-card .eyebrow { color: #296f9e; }
.capacity-card strong { display: block; font-size: clamp(4rem, 8vw, 7rem); line-height: .8; letter-spacing: -.07em; }
.capacity-card strong + span { display: block; margin: 1rem 0; font-size: .72rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
.capacity-card p:last-child { color: #5e676c; }

.commerce-section { background: var(--gunmetal); }
.commerce-steps { display: grid; grid-template-columns: repeat(3, 1fr); max-width: var(--max); margin: 0 auto; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.commerce-steps article { padding: clamp(1.5rem, 3vw, 2.5rem); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.commerce-steps h3 { margin: 0 0 .5rem; text-transform: uppercase; }
.commerce-steps p { margin: 0; color: #9fa8ae; }

.dealer-section { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); gap: clamp(3rem, 10vw, 10rem); padding: clamp(5rem, 9vw, 8rem) max(var(--pad), calc((100vw - var(--max)) / 2)); background: var(--steel); color: #071016; }
.dealer-section h2 { max-width: 11ch; }
.dealer-copy > p:not(.eyebrow) { max-width: 640px; margin: 1.5rem 0 2rem; font-size: 1.08rem; }
.dark-eyebrow { color: #071016; }
.dark-link { align-self: center; padding: .6rem; border-bottom: 1px solid rgba(7,16,22,.35); font-size: .76rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.dealer-benefits { display: grid; align-content: center; }
.dealer-benefits div { display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid rgba(7,16,22,.2); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }

.contact-section { padding: clamp(5rem, 9vw, 9rem) var(--pad); background: #0d1215; border-top: 1px solid var(--line); }
.contact-grid { display: grid; grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr); gap: clamp(2.5rem, 8vw, 8rem); max-width: var(--max); margin: 0 auto; align-items: start; }
.contact-copy { position: sticky; top: 116px; }
.contact-copy h2 { max-width: 10ch; }
.contact-copy > p:not(.eyebrow) { max-width: 510px; margin: 1.5rem 0 2.5rem; color: #adb6bb; font-size: 1.08rem; }
.contact-direct { display: grid; gap: .35rem; padding-top: 1.35rem; border-top: 1px solid var(--line); }
.contact-direct span { color: #758188; font-size: .7rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.contact-direct a { width: max-content; max-width: 100%; color: var(--steel-bright); font-size: clamp(1.05rem, 2vw, 1.35rem); font-weight: 800; overflow-wrap: anywhere; }
.contact-direct a:hover { color: white; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; padding: clamp(1.4rem, 4vw, 3rem); background: var(--mist); color: var(--ink); box-shadow: var(--shadow); }
.contact-form .field label { color: #26333b; }
.contact-form .optional { margin-left: .35rem; color: #78838a; font-size: .65rem; font-weight: 700; letter-spacing: .06em; }
.contact-form textarea { min-height: 170px; }
.contact-form .button { width: 100%; border: 0; cursor: pointer; }
.contact-note { margin: -.2rem 0 .15rem; color: #5b686f; font-size: .78rem; }
.contact-honey { display: none !important; }

.site-footer { display: grid; grid-template-columns: 1fr auto; gap: 3rem; padding: 4rem var(--pad) 2rem; border-top: 1px solid var(--line); }
.site-footer > div p { max-width: 320px; color: #7f888e; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: start; gap: 1.5rem; }
.site-footer nav a { color: #aeb6ba; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.copyright { grid-column: 1 / -1; margin: 2rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line); color: #566067; font-size: .67rem; letter-spacing: .1em; }

/* Shared portal and form surfaces */
.subpage { min-height: 100vh; background: #eef0f1; color: var(--ink); color-scheme: light; }
.subpage .site-header { position: relative; background: var(--ink); color: white; }
.subpage-main { max-width: 1440px; margin: 0 auto; padding: clamp(2.5rem, 7vw, 6rem) var(--pad) 6rem; }
.subpage-kicker { margin: 0 0 .8rem; color: #2d709d; font-size: .72rem; font-weight: 900; letter-spacing: .2em; text-transform: uppercase; }
.subpage-hero { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2rem; margin-bottom: 3rem; }
.subpage-hero h1 { max-width: 12ch; font-size: clamp(3.3rem, 6vw, 6rem); }
.subpage-hero p { max-width: 620px; color: #606b72; font-size: 1.08rem; }
.preview-note { width: 100%; min-width: 0; max-width: 390px; padding: 1rem 1.15rem; background: #dceaf4; border-left: 3px solid var(--steel); color: #244052; font-size: .86rem; }
.preview-note strong { display: block; color: var(--ink); }
.catalog-toolbar { display: grid; grid-template-columns: minmax(240px, 1fr) auto; gap: 1rem; align-items: center; margin-bottom: 1.5rem; }
.search-wrap { position: relative; }
.search-wrap svg { position: absolute; left: 1rem; top: 50%; width: 20px; transform: translateY(-50%); color: #64727a; }
.search-input, .field input, .field select, .field textarea { width: 100%; min-height: 50px; border: 1px solid #b9c0c4; border-radius: 0; background: white; color: var(--ink); padding: .8rem 1rem; }
.search-input { padding-left: 3rem; }
.filter-buttons { display: flex; flex-wrap: wrap; gap: .45rem; }
.filter-button { min-height: 44px; padding: .55rem .85rem; border: 1px solid #aab2b7; background: white; color: #34434c; font-size: .74rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; cursor: pointer; }
.filter-button[aria-pressed="true"] { background: var(--gunmetal); border-color: var(--gunmetal); color: white; }
.catalog-count { margin: 0 0 1rem; color: #5b676e; font-size: .82rem; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: #bfc5c8; border: 1px solid #bfc5c8; }
.product-card { display: flex; min-width: 0; flex-direction: column; background: white; }
.product-card img { width: 100%; aspect-ratio: 1 / .82; object-fit: contain; padding: 1rem; background: #f6f7f5; }
.product-card-body { display: flex; flex: 1; flex-direction: column; padding: 1.15rem; }
.product-card .sku { margin: 0 0 .35rem; color: #2d709d; font-size: .7rem; font-weight: 900; letter-spacing: .12em; }
.product-card h2 { max-width: none; margin: 0; font-family: inherit; font-size: 1.08rem; font-weight: 800; letter-spacing: 0; line-height: 1.25; text-transform: none; }
.product-card p { margin: .5rem 0 1rem; color: #667178; font-size: .85rem; }
.product-meta { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; margin-bottom: 1rem; }
.product-meta span { padding: .28rem .45rem; background: #e9edf0; color: #4c5a63; font-size: .67rem; font-weight: 800; text-transform: uppercase; }
.add-button { min-height: 44px; border: 0; background: var(--gunmetal); color: white; font-weight: 900; cursor: pointer; }
.add-button:hover { background: #286f9e; }
.cart-button { position: relative; }
.cart-count { display: inline-grid; min-width: 1.35rem; height: 1.35rem; place-items: center; padding: 0 .25rem; background: var(--ink); color: white; font-size: .72rem; }
.subpage .cart-count { background: white; color: var(--ink); }
.cart-dialog { width: min(620px, calc(100vw - 2rem)); max-height: min(780px, calc(100vh - 2rem)); margin: auto 0 auto auto; padding: 0; border: 0; background: white; color: var(--ink); box-shadow: var(--shadow); }
.cart-dialog::backdrop { background: rgba(4,7,9,.72); }
.dialog-header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; padding: 1.5rem; border-bottom: 1px solid #d8dde0; }
.dialog-header h2 { font-family: inherit; font-size: 1.55rem; letter-spacing: -.02em; line-height: 1.1; text-transform: none; }
.icon-button { display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid #b8c0c5; background: white; color: var(--ink); font-size: 1.25rem; cursor: pointer; }
.cart-items { max-height: 52vh; overflow: auto; padding: .5rem 1.5rem; }
.cart-empty { padding: 3rem 0; text-align: center; color: #67737a; }
.cart-item { display: grid; grid-template-columns: 64px 1fr auto; gap: 1rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid #d8dde0; }
.cart-item img { width: 64px; height: 64px; object-fit: contain; background: #f2f3f1; }
.cart-item strong, .cart-item span { display: block; }
.cart-item span { color: #667178; font-size: .78rem; }
.qty-control { display: flex; align-items: center; border: 1px solid #b8c0c5; }
.qty-control button { width: 34px; height: 34px; border: 0; background: white; color: var(--ink); cursor: pointer; }
.qty-control span { min-width: 26px; color: var(--ink); text-align: center; }
.dialog-footer { padding: 1.25rem 1.5rem 1.5rem; background: #f2f4f5; }
.dialog-footer p { margin: 0 0 1rem; color: #657079; font-size: .82rem; }
.dialog-footer .button { width: 100%; }
.toast { position: fixed; z-index: 80; right: 1rem; bottom: 1rem; max-width: min(360px, calc(100vw - 2rem)); padding: 1rem 1.2rem; background: var(--gunmetal); color: white; box-shadow: var(--shadow); font-weight: 700; transform: translateY(160%); transition: transform .22s ease; }
.toast.show { transform: translateY(0); }
.no-results { grid-column: 1 / -1; padding: 4rem 1rem; background: white; text-align: center; color: #5f6b72; }

.form-shell { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 1px; background: #c8cdd0; border: 1px solid #c8cdd0; }
.application-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; padding: clamp(1.4rem, 4vw, 3rem); background: white; }
.field { display: grid; gap: .4rem; }
.field-full { grid-column: 1 / -1; }
.field label, .fieldset legend { font-size: .76rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.field textarea { min-height: 130px; resize: vertical; }
.fieldset { grid-column: 1 / -1; margin: .4rem 0; padding: 1rem; border: 1px solid #ccd1d4; }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; margin-top: .75rem; }
.check-grid label { display: flex; gap: .6rem; align-items: center; font-size: .9rem; }
.check-grid input { width: 18px; height: 18px; accent-color: var(--steel); }
.form-aside { padding: clamp(1.4rem, 4vw, 3rem); background: var(--gunmetal); color: white; }
.form-aside h2 { max-width: 12ch; margin-bottom: 1.5rem; font-size: clamp(2rem, 4vw, 3.4rem); }
.form-aside ul { margin: 0; padding: 0; list-style: none; }
.form-aside li { padding: 1rem 0; border-bottom: 1px solid var(--line); color: #bec5c9; }
.form-aside li strong { display: block; color: white; }
.form-status { grid-column: 1 / -1; display: none; padding: 1rem; background: #dceaf4; border-left: 3px solid var(--steel); }
.form-status.show { display: block; }
.confirmation-page .subpage-main { display: grid; min-height: calc(100svh - 76px); place-items: center; }
.confirmation-card { width: min(820px, 100%); padding: clamp(2rem, 7vw, 5rem); background: white; border-top: 6px solid var(--steel); box-shadow: 0 24px 70px rgba(18, 28, 34, .14); }
.confirmation-card h1 { max-width: 10ch; color: var(--ink); font-size: clamp(3rem, 7vw, 6rem); }
.confirmation-card > p:not(.subpage-kicker) { max-width: 600px; margin: 1.5rem 0 2rem; color: #5e6a71; font-size: 1.08rem; }
.button-outline-dark { background: transparent; border-color: #849097; color: var(--ink); }
.button-outline-dark:hover { background: var(--ink); border-color: var(--ink); color: white; }

@media (max-width: 1100px) {
  .rack-grid { grid-template-columns: repeat(3, 1fr); }
  .advantage-grid { grid-template-columns: 1fr 1fr; }
  .capacity-card { grid-column: 1 / -1; min-height: 390px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .site-header { grid-template-columns: 1fr auto; min-height: 66px; }
  .desktop-nav, .hide-mobile { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding-top: 4rem; }
  .hero-product { min-height: 620px; border-top: 1px solid var(--line); border-left: 0; }
  .split-intro, .dealer-section, .contact-grid, .form-shell, .subpage-hero { grid-template-columns: 1fr; }
  .contact-copy { position: static; }
  .subpage-hero > * { min-width: 0; }
  .rack-grid { grid-template-columns: repeat(2, 1fr); }
  .advantage-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 560px; border-right: 0; border-bottom: 1px solid var(--line); }
  .capacity-card { grid-column: auto; min-height: 430px; }
  .commerce-steps { grid-template-columns: 1fr; }
  .dealer-benefits { border-top: 1px solid rgba(7,16,22,.2); }
  .site-footer { grid-template-columns: 1fr; }
  .catalog-toolbar { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .site-header { padding-left: 1rem; padding-right: .75rem; }
  .button-small { min-height: 40px; padding: .5rem .7rem; font-size: .76rem; }
  h1 { max-width: 100%; font-size: clamp(2.75rem, 13vw, 3.35rem); }
  h2 { max-width: 100%; font-size: clamp(2.2rem, 11vw, 3.4rem); }
  .eyebrow { gap: .55rem; letter-spacing: .15em; }
  .eyebrow::before { width: 24px; }
  .application-page h1 { font-size: clamp(2.4rem, 10.5vw, 2.9rem); }
  .hero-copy { padding: 3.25rem 1.1rem; }
  .hero-copy .button { width: 100%; }
  .hero-specs div, .hero-specs div + div { padding-left: .65rem; padding-right: .4rem; }
  .hero-specs div:first-child { padding-left: 0; }
  .hero-specs dd { font-size: 1.05rem; }
  .hero-specs dt { font-size: .58rem; letter-spacing: .11em; }
  .hero-product { min-height: 520px; }
  .stage-tag { font-size: .58rem; }
  .promise-strip { justify-content: flex-start; gap: .8rem; overflow: hidden; white-space: nowrap; }
  .promise-strip span + span::before { margin-right: .8rem; }
  .rack-grid, .product-grid { grid-template-columns: 1fr; }
  .rack-card { display: grid; grid-template-columns: 42% 58%; }
  .rack-card > img { height: 100%; min-height: 300px; }
  .featured-card .card-badge { left: calc(42% + .65rem); }
  .feature-card { min-height: 520px; }
  .dealer-section { padding-left: 1.1rem; padding-right: 1.1rem; }
  .filter-buttons { flex-wrap: nowrap; margin-right: calc(var(--pad) * -1); padding-right: var(--pad); overflow-x: auto; }
  .filter-button { flex: 0 0 auto; }
  .product-card { display: grid; grid-template-columns: 36% 64%; }
  .product-card img { height: 100%; min-height: 220px; }
  .application-form { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .field-full, .fieldset { grid-column: auto; }
  .check-grid { grid-template-columns: 1fr; }
  .cart-dialog { width: 100vw; max-height: 90vh; }
  .cart-item { grid-template-columns: 54px 1fr; }
  .qty-control { grid-column: 2; width: max-content; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}