/* ==========================================================================
   USV Core — global styles
   Palette from the logo: navy needle, crimson thread, warm steel ring.
   Layout rule: a single heading + text section is centred at 80% width;
   two-column sections are left aligned; on phones both are centred.
   ========================================================================== */
:root {
  --navy: #1d3a5c;
  --navy-deep: #12263f;
  --thread: #b02a4a;
  --thread-soft: #f6e7eb;
  --steel: #8c8a80;
  --steel-soft: #e9e8e3;
  --ink: #16202c;
  --muted: #5d6673;
  --line: #dde2e8;
  --surface: #f3f5f8;
  --white: #ffffff;
  --ok: #2f6b4f;

  --font-head: 'Manrope', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', Arial, sans-serif;

  --step--1: 0.889rem;   /* 16px at 18px root */
  --step-0: 1rem;        /* 18px */
  --step-1: 1.222rem;    /* 22px */
  --step-2: 1.556rem;    /* 28px */
  --step-3: clamp(1.8rem, 1.3rem + 2vw, 2.45rem);
  --step-4: clamp(2.2rem, 1.4rem + 3.4vw, 3.5rem);

  --wrap: 1240px;
  --gutter: 20px;
  --radius-s: 6px;
  --radius-m: 12px;
  --radius-l: 22px;
  --shadow-lift: 0 18px 40px -22px rgba(29, 58, 92, .45);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 112.5%; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font: 400 var(--step-0)/1.6 var(--font-body); }
img, svg { max-width: 100%; height: auto; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--navy); line-height: 1.18; letter-spacing: -0.015em; margin: 0 0 .5em; }
h1 { font-size: var(--step-4); font-weight: 800; text-wrap: balance; }
h2, h3 { text-wrap: balance; }
h2 { font-size: var(--step-3); font-weight: 800; }
h3 { font-size: var(--step-1); font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--navy); text-decoration-color: color-mix(in srgb, var(--thread) 60%, transparent); text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
a:hover { color: var(--thread); }
:focus-visible { outline: 3px solid var(--thread); outline-offset: 3px; border-radius: 4px; }
.screen-reader-text, .sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: var(--radius-s); z-index: 100; }
.skip-link:focus { top: 12px; color: #fff; }

.usv-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.usv-main { min-height: 60vh; }
.usv-section { padding: clamp(48px, 7vw, 96px) 0; }
.usv-section--tint { background: var(--surface); }
.usv-section--navy { background: var(--navy); color: #dfe6ef; }
.usv-section--navy h2, .usv-section--navy h3 { color: #fff; }

/* Single heading + text: centred, 80% wide. */
.usv-center { width: 80%; max-width: 900px; margin: 0 auto; text-align: center; }
.usv-center p { color: var(--muted); font-size: var(--step-1); line-height: 1.55; }
/* Two columns: left aligned. */
.usv-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; text-align: left; }
.usv-split--wide { grid-template-columns: 1.15fr .85fr; }

/* Buttons: what happens is what the label says. */
.usv-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 26px; border-radius: 999px; border: 2px solid var(--navy);
  background: var(--navy); color: #fff; font: 700 var(--step-0) var(--font-head); text-decoration: none; cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease); }
.usv-btn:hover { background: var(--thread); border-color: var(--thread); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.usv-btn--ghost { background: transparent; color: var(--navy); }
.usv-btn--ghost:hover { background: var(--navy); border-color: var(--navy); }
.usv-btn--light { background: #fff; color: var(--navy); border-color: #fff; }

/* Breadcrumbs */
.usv-crumbs ol { list-style: none; margin: 0; padding: 18px 0 0; display: flex; flex-wrap: wrap; gap: 4px; font-size: var(--step--1); color: var(--muted); }
.usv-crumbs li + li::before { content: "/"; margin: 0 8px 0 4px; color: #b7bec8; }
.usv-crumbs a { color: var(--muted); text-decoration: none; }
.usv-crumbs a:hover { color: var(--thread); text-decoration: underline; }

/* ---------- Hero ---------- */
.usv-hero { position: relative; overflow: hidden; padding: clamp(44px, 7vw, 92px) 0 clamp(56px, 8vw, 110px); background:
  radial-gradient(1100px 420px at 85% -10%, rgba(29, 58, 92, .08), transparent 70%), var(--white); }
.usv-hero h1 { max-width: 15ch; }
.usv-hero__lead { font-size: var(--step-1); color: var(--muted); max-width: 46ch; }
.usv-thread { position: absolute; inset: auto 0 0 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.usv-thread path { fill: none; stroke: var(--thread); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 2600; stroke-dashoffset: 2600; animation: usv-draw 2.6s .3s var(--ease) forwards; opacity: .85; }
@keyframes usv-draw { to { stroke-dashoffset: 0; } }
.usv-hero .usv-wrap { position: relative; z-index: 1; }

/* Part finder */
.usv-finder { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: clamp(22px, 3vw, 34px); box-shadow: 0 30px 60px -40px rgba(22, 32, 44, .35); }
.usv-finder h2 { font-size: var(--step-2); margin-bottom: .35em; }
.usv-finder p { color: var(--muted); }
.usv-finder__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: end; }
.usv-finder__row .usv-btn { grid-column: 1 / -1; width: 100%; }
.usv-finder--compact { max-width: 860px; margin: 0 auto 28px; }
.usv-finder--compact .usv-finder__row { grid-template-columns: 1fr 1fr auto; }
.usv-finder--compact .usv-finder__row .usv-btn { grid-column: auto; width: auto; }
.usv-field label { display: block; font-weight: 600; font-size: var(--step--1); margin: 0 0 6px; color: var(--ink); }
.usv-field select, .usv-field input { width: 100%; min-height: 52px; padding: 0 14px; border: 1.5px solid var(--line); border-radius: var(--radius-m); background: #fff; font: inherit; color: var(--ink); }
.usv-field select:focus, .usv-field input:focus { border-color: var(--navy); outline: none; box-shadow: 0 0 0 4px rgba(29, 58, 92, .12); }
.usv-finder__help { margin: 14px 0 0; font-size: var(--step--1); }
.usv-finder--compact { padding: 16px; border-radius: var(--radius-m); box-shadow: none; }

/* Trust list */
.usv-trust { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 10px; }
.usv-trust li { display: flex; gap: 10px; align-items: flex-start; }
.usv-trust svg { flex: 0 0 22px; color: var(--thread); margin-top: 3px; }

/* ---------- Tiles ---------- */
.usv-tiles { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.usv-tile { position: relative; display: flex; flex-direction: column; gap: 10px; height: 100%; padding: 20px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); text-decoration: none; color: var(--ink); transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease); }
.usv-tile:hover { border-color: var(--navy); transform: translateY(-4px); box-shadow: var(--shadow-lift); color: var(--ink); }
.usv-tile__icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: var(--surface); color: var(--navy); transition: background .25s, color .25s; }
.usv-tile:hover .usv-tile__icon { background: var(--thread-soft); color: var(--thread); }
.usv-tile__name { font: 700 var(--step-0)/1.3 var(--font-head); color: var(--navy); }
.usv-tile__meta { font-size: var(--step--1); color: var(--muted); }
.usv-tiles--brands { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
.usv-tiles--brands .usv-tile { align-items: center; text-align: center; padding: 22px 14px; }
.usv-tiles--brands .usv-tile__name { font-size: var(--step-1); }
.usv-tiles--models { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.usv-tiles--models .usv-tile { padding: 14px 16px; gap: 2px; }

/* ---------- Catalogue page head ---------- */
.usv-pagehead { padding: 8px 0 clamp(26px, 4vw, 44px); }
.usv-pagehead__intro { color: var(--muted); font-size: var(--step-1); max-width: 70ch; }
.usv-pagehead--split { display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: start; }

/* Machine spec card */
.usv-spec-card { background: var(--surface); border-radius: var(--radius-l); padding: 24px; border: 1px solid var(--line); }
.usv-spec-card h2 { font-size: var(--step-1); }
.usv-spec-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; }
.usv-spec-card dt { color: var(--muted); }
.usv-spec-card dd { margin: 0; font-weight: 600; }

/* ---------- Product grid ---------- */
.usv-shop { display: grid; grid-template-columns: 260px 1fr; gap: 32px; align-items: start; }
.usv-filters { position: sticky; top: 96px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: 18px; }
.usv-filters h2 { font-size: var(--step-1); }
.usv-filters .usv-field { margin-bottom: 14px; }
.usv-filters__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.usv-grid-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; color: var(--muted); }
.usv-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.usv-card { height: 100%; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden;
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease); }
.usv-card:hover { border-color: #b9c4d2; transform: translateY(-4px); box-shadow: var(--shadow-lift); }
.usv-card__media { aspect-ratio: 4 / 3; display: grid; place-items: center; background: var(--surface); color: var(--navy); position: relative; }
.usv-card__media svg { width: 64px; height: 64px; opacity: .8; transition: transform .35s var(--ease); }
.usv-card:hover .usv-card__media svg { transform: scale(1.08) rotate(-3deg); }
.usv-card__media img { width: 100%; height: 100%; object-fit: contain; }
.usv-card__badge { position: absolute; left: 10px; top: 10px; font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: #fff; border: 1px solid var(--line); color: var(--muted); }
.usv-card__badge--original { color: var(--ok); border-color: #b8d7c7; }
.usv-card__body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.usv-card__title { font: 700 16px/1.35 var(--font-head); color: var(--navy); text-decoration: none; }
.usv-card__title::after { content: ""; position: absolute; inset: 0; } /* whole card clickable */
.usv-card { position: relative; }
.usv-card__fits { font-size: 15px; color: var(--muted); }
.usv-card__foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.usv-card__price { font: 800 var(--step-1) var(--font-head); color: var(--ink); }
.usv-card__cta { position: relative; z-index: 1; font-size: 15px; font-weight: 700; color: var(--thread); text-decoration: none; }
.usv-pagination { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-top: 30px; }
.usv-pagination a, .usv-pagination span { min-width: 44px; min-height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; padding: 0 12px; }
.usv-pagination .current { background: var(--navy); color: #fff; border-color: var(--navy); }
.usv-empty { padding: 32px; text-align: center; background: var(--surface); border-radius: var(--radius-m); }

/* Machine page groups */
.usv-system { margin-top: 44px; }
.usv-system__head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.usv-system__head h2 { margin: 0; font-size: var(--step-2); }
.usv-system__count { color: var(--muted); }

/* ---------- Long-form text from the content team ---------- */
.usv-prose { max-width: 780px; }
.usv-prose h2 { font-size: var(--step-2); margin-top: 1.8em; }
.usv-prose h3 { margin-top: 1.4em; }
.usv-prose table { border-collapse: collapse; width: 100%; font-size: 16px; margin: 14px 0 22px; display: block; overflow-x: auto; }
.usv-prose th, .usv-prose td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.usv-prose thead th { background: var(--navy); color: #fff; font-family: var(--font-head); font-weight: 700; }
.usv-prose table.specs th { background: var(--surface); color: var(--ink); width: 34%; }
.usv-prose ul.fitment { list-style: none; padding: 14px 18px; border: 1px solid #e8cbd3; background: var(--thread-soft); border-radius: var(--radius-m); }
.usv-related { margin-top: 36px; padding: 18px 22px; background: var(--surface); border-radius: var(--radius-m); }
.usv-related h2 { font-size: var(--step-1); margin: 0 0 8px; }
.usv-related ul { margin: 0; padding-left: 18px; }

/* Text written by us, awaiting approval: invisible to visitors, marked for the team. */
[data-usv-generated] { scroll-margin-top: 110px; }
body.usv-show-generated [data-usv-generated] { outline: 2px dashed var(--thread); outline-offset: 6px; }

/* ---------- Product page ---------- */
.usv-product-top { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 4vw, 56px); align-items: start; padding: 10px 0 30px; }
.usv-product-media { aspect-ratio: 1; border-radius: var(--radius-l); background: var(--surface); display: grid; place-items: center; color: var(--navy); }
.usv-product-media svg { width: 34%; height: auto; opacity: .75; }
.usv-product-info h1 { font-size: var(--step-3); }
.usv-price { font: 800 var(--step-3) var(--font-head); color: var(--ink); margin: 6px 0 14px; }
.usv-short { color: var(--muted); font-size: var(--step-1); }
.usv-fit-box { margin: 18px 0; padding: 16px 18px; border-radius: var(--radius-m); background: var(--thread-soft); border: 1px solid #e8cbd3; }
.usv-fit-box strong { color: var(--navy); }
.usv-product form.cart { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 10px 0 0; }
.usv-product form.variations_form { display: block; }
.usv-product form.cart .quantity input { width: 72px; min-height: 52px; padding: 0 10px; border: 1.5px solid var(--line); border-radius: var(--radius-m); font: inherit; }
body .usv-product button.single_add_to_cart_button.button.alt,
body .usv-product button.single_add_to_cart_button.button.alt.disabled { min-height: 52px; padding: 0 28px; border-radius: 999px; background: var(--navy); color: #fff; font: 700 var(--step-0) var(--font-head); border: 0; }
body .usv-product button.single_add_to_cart_button.button.alt:hover { background: var(--thread); }
.usv-product table.variations { border: 0; margin: 0 0 10px; }
.usv-product table.variations th, .usv-product table.variations td { border: 0; padding: 4px 10px 4px 0; background: none; }
.usv-product table.variations select { min-width: 260px; min-height: 50px; padding: 0 12px; border: 1.5px solid var(--line); border-radius: var(--radius-m); font: inherit; }
.usv-product .woocommerce-variation-price { display: none; }
.usv-shipstrip { margin: 22px 0 0; padding: 16px 18px; background: var(--surface); border-radius: var(--radius-m); font-size: 16px; color: var(--muted); }
.usv-facts { list-style: none; padding: 0; margin: 18px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; font-size: 15px; }
.usv-facts li { padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-m); text-align: center; color: var(--muted); }
.usv-facts strong { display: block; color: var(--navy); font-family: var(--font-head); }

/* ---------- Steps (a real sequence) ---------- */
.usv-steps { list-style: none; counter-reset: step; padding: 0; margin: 30px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.usv-steps li { counter-increment: step; padding: 24px; border-radius: var(--radius-m); background: #fff; border: 1px solid var(--line); text-align: left; }
.usv-steps li::before { content: counter(step); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: #fff; font: 800 18px var(--font-head); margin-bottom: 12px; }

/* ---------- Main pages ---------- */
.usv-pagehead__lead { color: var(--muted); font-size: var(--step-1); line-height: 1.55; }
.usv-pagehead__lead p { margin: 0; }

/* Visual slots: final visual, or a collage of real product photos until then */
.usv-visual { margin: 0 0 clamp(32px, 5vw, 56px); border-radius: var(--radius-l); overflow: hidden; background: var(--surface); }
.usv-visual img { display: block; width: 100%; height: 100%; object-fit: cover; }
.usv-visual--wide { aspect-ratio: 21 / 8; }
.usv-visual--collage { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 10px; background: var(--surface); }
.usv-visual--collage img { aspect-ratio: 1; object-fit: contain; background: #fff; border-radius: var(--radius-m); padding: 8%; mix-blend-mode: multiply; }
.usv-visual--wide.usv-visual--collage { aspect-ratio: auto; }
.usv-pagehero-navy .usv-visual--collage { background: rgba(255, 255, 255, .06); grid-template-columns: 1fr 1fr; margin: 0; }
.usv-pagehero-navy .usv-visual--collage img { mix-blend-mode: normal; }
.usv-pagehero-navy a:not(.usv-btn) { color: #fff; text-decoration-color: rgba(255, 255, 255, .6); }
.usv-pagehero-navy .usv-crumbs a, .usv-pagehero-navy .usv-crumbs ol { color: #b9c6d6; }
.usv-pagehero-navy h1 { color: #fff; }
.usv-pagehero-navy p { color: #d3dce7; font-size: var(--step-1); }

/* About: alternating two-column sections */
.usv-page--about .usv-split { align-items: start; padding: clamp(28px, 4vw, 48px) 0; border-top: 1px solid var(--line); }
.usv-page--about .usv-split h2 { margin: 0; }
.usv-split--flip-1 > :first-child { order: 2; }
.usv-cta-card { margin: 20px 0 0; padding: clamp(24px, 4vw, 44px); border-radius: var(--radius-l); background: var(--surface); text-align: center; }
.usv-cta-card .usv-finder { margin-bottom: 0; text-align: left; }

/* Cards */
.usv-infocard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: 22px; transition: border-color .25s var(--ease), box-shadow .25s var(--ease); }
.usv-infocard:hover { border-color: #b9c4d2; box-shadow: var(--shadow-lift); }
.usv-infocard h2 { font-size: var(--step-1); margin: 12px 0 8px; }
.usv-infocard p:last-child { margin-bottom: 0; }
.usv-cards3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 40px; }
.usv-factcards { list-style: none; padding: 0; margin: 0 0 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.usv-factcards li { display: flex; gap: 12px; align-items: center; padding: 18px 20px; border-radius: var(--radius-m); background: var(--surface); font-weight: 600; color: var(--navy); }
.usv-factcards .usv-icon { flex: 0 0 26px; color: var(--thread); }

/* Contact */
.usv-contact { display: grid; grid-template-columns: 1fr 1.05fr; gap: 28px; align-items: start; }
.usv-contact__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.usv-formcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: clamp(22px, 3vw, 34px); box-shadow: 0 30px 60px -44px rgba(22, 32, 44, .4); scroll-margin-top: 120px; }
.usv-formcard h2 { font-size: var(--step-2); }
.usv-formcard > p { color: var(--muted); }
.usv-form__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 18px; }
.usv-field--wide { grid-column: 1 / -1; }
.usv-field textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-m); font: inherit; resize: vertical; }
.usv-field textarea:focus { border-color: var(--navy); outline: none; box-shadow: 0 0 0 4px rgba(29, 58, 92, .12); }
.usv-form__hp { position: absolute; left: -9999px; }
.usv-form__notice { padding: 14px 16px; border-radius: var(--radius-m); font-weight: 600; }
.usv-form__notice--ok { background: #e7f3ec; color: var(--ok); }
.usv-form__notice--error { background: var(--thread-soft); color: var(--thread); }

/* Policy, legal and article pages: contents | text | side */
.usv-doc { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.usv-doc--article { grid-template-columns: 220px minmax(0, 1fr) 300px; }
.usv-doc__aside, .usv-doc__side { position: sticky; top: 140px; }
.usv-doc__main { max-width: 760px; }
.usv-doc__main > section:first-child h2, .usv-doc__main > h2:first-child { margin-top: 0; }
.usv-toc__title { font: 700 15px var(--font-head); color: var(--muted); margin: 0 0 10px; }
.usv-toc ol { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 2px solid var(--line); }
.usv-toc li { margin: 0 0 8px; font-size: 16px; line-height: 1.35; }
.usv-toc a { text-decoration: none; color: var(--ink); }
.usv-toc a:hover { color: var(--thread); }
.usv-prose-section { scroll-margin-top: 120px; }
.usv-sidecard { background: var(--surface); border-radius: var(--radius-m); padding: 18px; margin-bottom: 16px; }
.usv-sidecard h2 { font-size: var(--step-1); }
.usv-sidecard .usv-finder { padding: 0; border: 0; background: none; margin: 0; }
.usv-sidecard .usv-finder__row { grid-template-columns: 1fr; }
.usv-sidecard .usv-finder__row .usv-btn { width: 100%; }
.usv-shopcard { margin: 34px 0; padding: 22px 24px; border-radius: var(--radius-m); background: var(--navy); color: #dfe6ef; }
.usv-shopcard h2 { color: #fff; margin-top: 0; }
.usv-shopcard a { color: #fff; }

/* FAQ accordion */
.usv-faq { margin-top: 40px; scroll-margin-top: 120px; }
.usv-faq__item { border-bottom: 1px solid var(--line); }
.usv-faq__item summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; font: 700 var(--step-0)/1.4 var(--font-head); color: var(--navy); }
.usv-faq__item summary::-webkit-details-marker { display: none; }
.usv-faq__item summary::after { content: "+"; flex: 0 0 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--surface); color: var(--thread); font-size: 20px; transition: transform .25s var(--ease); }
.usv-faq__item[open] summary::after { transform: rotate(45deg); }
.usv-faq__answer { padding: 0 0 18px; color: var(--ink); }

/* ---------- Motion (respecting reduced motion) ---------- */
.usv-reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.usv-reveal.is-in { opacity: 1; transform: none; }
.usv-reveal[data-delay="1"] { transition-delay: .08s; }
.usv-reveal[data-delay="2"] { transition-delay: .16s; }
.usv-reveal[data-delay="3"] { transition-delay: .24s; }
.no-js .usv-reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .usv-reveal { opacity: 1; transform: none; }
  .usv-thread path { stroke-dashoffset: 0; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .usv-split, .usv-split--wide, .usv-pagehead--split, .usv-product-top, .usv-shop { grid-template-columns: 1fr; }
  .usv-filters { position: static; }
  .usv-steps { grid-template-columns: 1fr; }
  .usv-contact, .usv-doc, .usv-doc--article { grid-template-columns: 1fr; }
  .usv-doc__aside, .usv-doc__side { position: static; }
  .usv-doc--article .usv-doc__aside { display: none; }
  .usv-split--flip-1 > :first-child { order: 0; }
  .usv-factcards { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  html { font-size: 106.25%; }
  .usv-center { width: 100%; }
  /* Phones: two-column sections centre as well. */
  .usv-split, .usv-pagehead, .usv-hero .usv-split > div { text-align: center; }
  .usv-hero h1, .usv-hero__lead, .usv-pagehead__intro { margin-left: auto; margin-right: auto; }
  .usv-trust { width: fit-content; max-width: 100%; margin-left: auto; margin-right: auto; }
  .usv-trust li { text-align: left; }
  .usv-thread { display: none; }
  .usv-finder__row { grid-template-columns: 1fr; }
  .usv-finder { text-align: left; }
  .usv-facts { grid-template-columns: 1fr; }
  .usv-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .usv-card__body { padding: 12px; }
  .usv-prose { text-align: left; }
  .usv-contact__cards, .usv-form__grid { grid-template-columns: 1fr; }
  .usv-visual--collage { grid-template-columns: 1fr 1fr; }
  .usv-visual--wide { aspect-ratio: 4 / 3; }
  .usv-factcards li { justify-content: center; }
}

/* October 2026 storefront pass: photography, calmer depth, and clearer buying paths. */
::selection { background: var(--thread-soft); color: var(--navy-deep); }
html { scrollbar-color: #a7b5c5 #f3f5f8; }
body { background: #fff; }
.usv-section--tint { background: linear-gradient(155deg, #f5f7fa 0%, #edf1f5 100%); }
.usv-section--navy { background: linear-gradient(125deg, var(--navy-deep), var(--navy) 72%, #294d70); }
.usv-section--navy p { color: #ecf1f6; }

/* Keep the model finder and first text paint independent of motion and video. */
.usv-hero {
  isolation: isolate;
  min-height: 700px;
  display: flex;
  align-items: center;
  padding: clamp(54px, 7vw, 100px) 0 clamp(64px, 7vw, 100px);
  background: #f5f7fa;
}
.usv-hero__media { position: absolute; z-index: -2; inset: -48px 0; pointer-events: none; overflow: hidden; }
.usv-hero__media img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.usv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.99) 0%, rgba(255,255,255,.96) 38%, rgba(255,255,255,.66) 63%, rgba(255,255,255,.12) 100%);
}
.usv-hero h1 { max-width: 14ch; font-size: clamp(2.7rem, 4.6vw, 4.75rem); letter-spacing: -.035em; }
.usv-hero__lead { color: #34475c; max-width: 49ch; }
.usv-hero .usv-split--wide { grid-template-columns: minmax(0, 1.05fr) minmax(370px, .75fr); gap: clamp(28px, 5vw, 80px); }
.usv-hero .usv-finder { border: 0; box-shadow: 0 24px 70px -35px rgba(18,38,63,.4); background: rgba(255,255,255,.97); }
.usv-thread { z-index: -1; opacity: .58; }
.usv-thread path { stroke-width: 2.2; }
.usv-trust { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 11px 24px; max-width: 660px; font-size: var(--step--1); line-height: 1.45; }
.usv-trust svg { width: 19px; height: 19px; flex-basis: 19px; }

/* Category photography uses actual catalogue references; the category name stays HTML. */
.usv-tiles--categories { grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.usv-tiles--categories .usv-tile { gap: 0; padding: 0; overflow: hidden; border-color: #e2e8ee; border-radius: 15px; }
.usv-tiles--categories .usv-tile__photo { width: 100%; aspect-ratio: 4 / 3; display: block; background: linear-gradient(145deg,#f3f5f7,#fff); overflow: hidden; }
.usv-tiles--categories .usv-tile__photo img { display: block; width: 100%; height: 100%; object-fit: contain; padding: 8%; transition: transform .4s var(--ease); }
.usv-tiles--categories .usv-tile__content { display: grid; gap: 4px; padding: 18px 18px 20px; }
.usv-tiles--categories .usv-tile__name { font-size: 1.02rem; line-height: 1.3; }
.usv-tiles--categories .usv-tile__meta { font-size: .86rem; }
.usv-tiles--categories .usv-tile:not(.usv-tile--photo) { padding: 20px; }
.usv-tiles--categories .usv-tile:not(.usv-tile--photo) .usv-tile__content { padding: 14px 0 0; }
.usv-tiles--categories .usv-tile--photo:hover .usv-tile__photo img { transform: scale(1.055); }
.usv-pagehead--photo { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr); gap: clamp(26px,5vw,70px); align-items: center; padding: 30px 0 50px; }
.usv-pagehead__media { min-height: 270px; background: linear-gradient(145deg,#f2f5f8,#e7edf3); border-radius: var(--radius-l); overflow: hidden; }
.usv-pagehead__media .usv-tile__photo { display: block; height: 270px; }
.usv-pagehead__media img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.usv-pagehead__media--editorial img { object-fit: cover; padding: 0; }

/* Filters stay native and URL based; brand selection now exposes specific models. */
.usv-filters { background: linear-gradient(160deg,#f7f9fb,#fff); border-color: #d5dee7; border-radius: 16px; padding: 22px; }
.usv-filters h2 { margin-bottom: 20px; }
.usv-filters .usv-field { margin-bottom: 17px; }
.usv-filters select:disabled { color: var(--muted); background: #edf1f4; }
.usv-filters__actions .usv-btn { min-height: 46px; padding-inline: 18px; font-size: .86rem; }
.usv-grid-head { font-weight: 700; color: var(--navy); }
.usv-card__media { background: linear-gradient(150deg,#f4f7f9,#fff); }
.usv-card__title { font-size: .94rem; }
.usv-card__fits { font-size: .86rem; line-height: 1.4; }
.usv-card__price { font-size: 1.12rem; }

/* The buying panel emphasizes fitment, then price and action. */
.usv-product { padding-bottom: 70px; }
.usv-product-top { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(30px,5vw,80px); padding-top: 26px; }
.usv-product-gallery { position: sticky; top: 104px; }
.usv-product-media { border: 1px solid #e1e7ee; background: linear-gradient(150deg,#f5f7fa,#fff); overflow: hidden; }
.usv-product-media img { display: block; width: 100%; height: 100%; object-fit: contain; padding: 5%; }
.usv-product-media svg { opacity: .52; }
.usv-product-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.usv-product-thumbs button { width: 70px; height: 70px; border: 1px solid var(--line); border-radius: 10px; padding: 5px; background: #fff; cursor: pointer; }
.usv-product-thumbs button[aria-pressed="true"] { border: 2px solid var(--thread); }
.usv-product-thumbs img { width: 100%; height: 100%; object-fit: contain; }
.usv-product-info h1 { font-size: clamp(2rem,3.3vw,3rem); line-height: 1.14; }
.usv-fit-box { background: linear-gradient(100deg,var(--thread-soft),#fff); line-height: 1.5; }
.usv-fit-box a { font-weight: 600; }
.usv-facts { font-size: .87rem; }
.usv-facts li { background: #f7f9fb; border: 0; padding: 14px 10px; }
.usv-facts svg { width: 24px; height: 24px; color: var(--thread); margin-bottom: 5px; }
.usv-facts strong { font-size: .9rem; }
.usv-product-help { display: inline-flex; margin-top: 20px; font-weight: 700; text-underline-offset: 5px; }
.usv-product > .usv-prose { margin-top: clamp(36px,5vw,72px); padding-top: clamp(28px,4vw,52px); border-top: 1px solid var(--line); }

/* Motion uses one hero signature plus small scroll reveals and direct hover feedback. */
.usv-reveal { transform: translateY(16px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.usv-reveal[data-delay="1"] { transition-delay: .06s; }
.usv-reveal[data-delay="2"] { transition-delay: .12s; }
.usv-reveal[data-delay="3"] { transition-delay: .18s; }
@media (hover: none) {
  .usv-tile:hover, .usv-card:hover, .usv-btn:hover { transform: none; }
  .usv-tiles--categories .usv-tile--photo:hover .usv-tile__photo img { transform: none; }
}
@media (max-width: 1100px) {
  .usv-tiles--categories { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .usv-hero .usv-split--wide { grid-template-columns: minmax(0,1fr) minmax(340px,.85fr); gap: 30px; }
  .usv-trust { grid-template-columns: 1fr; }
}
@media (max-width: 960px) {
  .usv-hero .usv-split--wide, .usv-product-top { grid-template-columns: 1fr; }
  .usv-hero { min-height: 0; }
  .usv-hero__media::after { background: linear-gradient(90deg,rgba(255,255,255,.97),rgba(255,255,255,.82)); }
  .usv-hero .usv-finder { max-width: 640px; margin-inline: auto; }
  .usv-product-gallery { position: static; }
  .usv-pagehead--photo { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .usv-hero { padding-block: 30px 54px; }
  .usv-hero h1 { font-size: clamp(2.15rem,9.5vw,3rem); }
  .usv-hero .usv-split--wide { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .usv-hero .usv-split--wide > div:first-child { display: contents; }
  .usv-hero h1 { order: 0; margin-bottom: 18px; }
  .usv-hero .usv-split--wide > div:last-child { order: 1; margin-bottom: 26px; }
  .usv-hero .usv-finder { padding: 18px; }
  .usv-hero .usv-finder h2 { font-size: 1.45rem; }
  .usv-hero__lead { order: 2; }
  .usv-trust { order: 3; }
  .usv-hero__media { inset: 0; }
  .usv-hero__media img { object-position: 67% center; }
  .usv-hero__media::after { background: rgba(255,255,255,.89); }
  .usv-trust { width: 100%; }
  .usv-tiles--categories { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 11px; }
  .usv-tiles--categories .usv-tile__content { padding: 12px 12px 16px; }
  .usv-tiles--categories .usv-tile__name { font-size: .89rem; }
  .usv-tiles--categories .usv-tile__meta { font-size: .78rem; }
  .usv-pagehead--photo { padding-block: 18px 32px; }
  .usv-pagehead__intro { text-align: left; font-size: var(--step-0); line-height: 1.55; }
  .usv-pagehead__media { min-height: 180px; }
  .usv-pagehead__media .usv-tile__photo { height: 180px; }
  .usv-filters { padding: 18px; }
  .usv-product-top { display: flex; flex-direction: column; gap: 0; padding-top: 14px; }
  .usv-product-info { display: contents; }
  .usv-product-info h1 { order: 0; font-size: 1.95rem; margin-bottom: 18px; }
  .usv-product-gallery { order: 1; margin-bottom: 24px; width: 100%; }
  .usv-product-info > :not(h1) { order: 2; }
  .usv-facts { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 6px; font-size: .76rem; }
  .usv-facts li { padding: 12px 6px; }
}

/* A transparent parts still life and a scroll-controlled thread guide the model-number story. */
.usv-model-story { overflow: hidden; }
.usv-model-story__intro { display: grid; grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr); align-items: center; gap: clamp(28px,6vw,90px); }
.usv-model-story__intro h2 { max-width: 18ch; }
.usv-model-story__intro p { max-width: 49ch; color: #43576b; font-size: var(--step-1); line-height: 1.52; }
.usv-model-story__parts { display: block; width: min(100%,530px); margin: 0 auto; filter: drop-shadow(0 25px 24px rgba(18,38,63,.13)); }
.usv-model-story__links { display: flex; gap: 18px 25px; align-items: center; flex-wrap: wrap; margin-top: 30px; }
.usv-model-story__links .usv-btn { background: var(--thread); border-color: var(--thread); }
.usv-model-story__links .usv-btn:hover { background: var(--navy); border-color: var(--navy); }
.usv-model-story__textlink { font-weight: 700; }
.usv-model-story__steps { position: relative; margin-top: clamp(38px,5vw,70px); padding-top: 100px; }
.usv-model-story__steps .usv-steps { position: relative; z-index: 1; margin-top: 0; gap: 22px; }
.usv-model-story__steps .usv-steps li { min-height: 190px; padding: 27px; box-shadow: 0 16px 40px -30px rgba(18,38,63,.32); line-height: 1.5; transition: opacity .55s var(--ease), transform .55s var(--ease), box-shadow .25s var(--ease); }
.usv-model-story__steps .usv-steps li:hover { box-shadow: 0 20px 46px -26px rgba(18,38,63,.32); }
.usv-model-story__steps .usv-steps li::before { background: var(--thread); }
.usv-model-story__thread { position: absolute; left: 0; top: 0; width: 100%; height: 105px; overflow: visible; pointer-events: none; }
.usv-model-story__thread path { fill: none; stroke-width: 3; stroke-linecap: round; }
.usv-model-story__thread--narrow { display: none; }
@media (max-width: 760px) {
  .usv-model-story__intro { grid-template-columns: 1fr; gap: 10px; text-align: center; }
  .usv-model-story__intro h2, .usv-model-story__intro p { margin-inline: auto; }
  .usv-model-story__links { justify-content: center; margin-top: 23px; }
  .usv-model-story__parts { width: min(100%,450px); }
  .usv-model-story__steps { margin-top: 12px; padding-top: 0; max-width: 570px; margin-inline: auto; }
  .usv-model-story__steps .usv-steps { max-width: 530px; margin-inline: auto; gap: 22px; padding-left: 48px; }
  .usv-model-story__steps .usv-steps li { min-height: 0; }
  .usv-model-story__thread--wide { display: none; }
  .usv-model-story__thread--narrow { display: block; left: 0; top: 0; width: 74px; height: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .usv-model-story__thread path { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
}