@layer reset, base, layout, components, responsive;
@layer reset {
  * { box-sizing:border-box; }
  body,h1,h2,h3,p,figure { margin:0; }
  button,input,select,textarea { font:inherit; }
  button { cursor:pointer; color:inherit; }
  img { display:block; max-width:100%; height:auto; }
  a { color:inherit; text-decoration:none; }
  [hidden] { display:none!important; }
}
@layer base {
  :root { --ink:#1d1d1f; --muted:#626267; --line:#d8d8dc; --surface:#f5f5f7; --white:#fff; --navy:#1d1d1f; --blue:#35353a; --action:#1d1d1f; --heading:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; --body:var(--heading); font:400 17px/1.47 var(--body); color:var(--ink); background:#fff; }
  body[data-page=engineering] { --action:#1767a2; --blue:#1767a2; --navy:#15354d; }
  html { scroll-behavior:smooth; scroll-padding-top:135px; }
  h1,h2,h3 { font-family:var(--heading); font-weight:600; letter-spacing:-.035em; }
  h1 { font-size:clamp(2.5rem,4.5vw,3.4rem); line-height:1.07; }
  h2 { font-size:clamp(1.9rem,3vw,2.6rem); line-height:1.12; }
  h3 { font-size:1.3rem; line-height:1.25; }
  p+p { margin-top:1rem; }
  :focus-visible { outline:3px solid #3285bf; outline-offset:4px; }
  button:disabled { cursor:not-allowed; opacity:.45; }
  a,button { -webkit-tap-highlight-color:transparent; }
  .wrap { width:100%; max-width:1200px; margin-inline:auto; padding-inline:40px; }
  .section { padding-block:90px; }
  .eyebrow { display:block; font-size:.78rem; font-weight:600; letter-spacing:0; color:var(--muted); margin-bottom:15px; }
  .sr-only { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
  .skip-link { position:fixed; top:8px; left:8px; padding:12px 20px; z-index:100; background:var(--ink); color:#fff; transform:translateY(-150%); }
  .skip-link:focus { transform:translateY(0); }
  svg { display:block; width:24px; height:24px; fill:none; stroke:currentColor; stroke-width:1.7; stroke-linecap:round; stroke-linejoin:round; }
  input,select,textarea { border:1px solid #b9b9bf; border-radius:10px; padding:12px 14px; background:white; color:var(--ink); min-height:46px; }
  input[type=checkbox],input[type=radio] { width:17px; height:17px; min-height:0; margin:0; padding:0; accent-color:var(--action); flex-shrink:0; }
  input[type=range] { width:100%; accent-color:var(--action); padding:0; height:26px; min-height:26px; border:0; }
  label { font-size:.83rem; font-weight:500; }
  label>input:not([type=checkbox]):not([type=radio]):not([type=range]),label>select,label>textarea { display:block; width:100%; margin-top:7px; font-size:.9rem; font-weight:400; }
}
@layer layout {
  .group-header { background:#fafafccc; border-bottom:1px solid #ececee; }
  .group-header>.wrap { display:flex; align-items:center; justify-content:space-between; gap:24px; min-height:64px; }
  .group-logo { font-size:.85rem; letter-spacing:-.02em; }
  .group-logo strong { font-weight:600; }
  .group-header nav { display:flex; gap:28px; font-size:.72rem; }
  .group-header nav a { padding-block:20px; }
  .portal-intro { padding-block:38px 36px; text-align:center; }
  .portal-intro h1 { font-size:clamp(2rem,3.5vw,2.7rem); }
  .portal-intro p { font-size:1.05rem; margin-top:14px; color:var(--muted); }
  .brand-choices { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:0 12px; }
  .brand-destination { display:flex; flex-direction:column; background:var(--surface); text-align:center; overflow:hidden; }
  .destination-copy { padding:25px 25px 14px; }
  .destination-logo { display:flex; height:75px; justify-content:center; align-items:center; margin-bottom:16px; }
  .montaservi-choice .destination-logo img { width:86px; }
  .silver-choice .destination-logo img { width:226px; }
  .destination-copy h2 { font-size:clamp(1.65rem,2.7vw,2.15rem); }
  .destination-copy p { margin-top:12px; font-size:1rem; }
  .destination-copy .button { margin-top:20px; }
  .montaservi-choice { background:#f4f6f8; --action:#1767a2; }
  .destination-media { height:290px; display:block; overflow:hidden; margin-top:auto; }
  .engineering-media { margin-top:22px; }
  .engineering-media img { width:100%; height:100%; object-fit:cover; object-position:50% 47%; }
  .product-lineup { display:flex; align-items:center; justify-content:center; position:relative; isolation:isolate; }
  .product-lineup .product-photo { flex-shrink:0; mix-blend-mode:multiply; mask-image:radial-gradient(ellipse at center,#000 57%,transparent 74%); }
  .silver-choice .lineup-drill { width:260px; margin-right:-65px; z-index:2; transform:translateY(-3px); }
  .silver-choice .lineup-helmet { width:230px; margin-right:-60px; z-index:1; transform:translateY(33px); }
  .silver-choice .lineup-grinder { width:225px; transform:translateY(33px); }
  .portal-caption { text-align:center; color:var(--muted); font-size:.78rem; padding-block:30px; }
  .group-footer { display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-block:20px; border-top:1px solid #ececee; color:var(--muted); font-size:.68rem; }
  .group-footer small { font-size:inherit; }
  .brand-top { background:var(--surface); color:#55555a; font-size:.65rem; }
  .brand-top>.wrap { display:flex; align-items:center; justify-content:space-between; gap:20px; padding-block:8px; }
  .brand-top a:hover { text-decoration:underline; }
  .engineering-header,.store-header { position:sticky; top:0; z-index:25; background:#ffffffed; backdrop-filter:saturate(1.4) blur(18px); border-bottom:1px solid #e6e6e9; }
  .brand-header-row { display:flex; justify-content:space-between; align-items:center; gap:25px; min-height:76px; }
  .engineering-logo { display:flex; align-items:center; gap:9px; }
  .engineering-logo img { width:48px; }
  .engineering-logo>span { font-size:.82rem; font-weight:600; letter-spacing:-.02em; }
  .engineering-logo small { display:block; font-size:.45rem; letter-spacing:.08em; font-weight:500; }
  .engineering-header nav { display:flex; align-items:center; gap:27px; font-size:.72rem; }
  .engineering-header nav>a:not(.button) { padding-block:15px; }
  .mobile-menu-toggle { display:none; border:0; background:none; padding:10px; }
  .engineering-cover { background:var(--surface); }
  .engineering-cover-copy { padding-block:48px 36px; text-align:center; }
  .hero-brand { font-size:1.03rem; font-weight:600; margin-bottom:13px; }
  .engineering-cover-copy>p:not(.hero-brand) { font-size:1.23rem; margin-top:20px; }
  .cover-actions { display:flex; justify-content:center; align-items:center; flex-wrap:wrap; gap:12px; margin-top:24px; }
  .engineering-cover-image { height:400px; overflow:hidden; }
  .engineering-cover-image img { width:100%; height:100%; object-fit:cover; object-position:50% 46%; }
  .about-engineering { display:grid; grid-template-columns:.95fr 1.05fr; gap:80px; }
  .about-engineering p { color:var(--muted); }
  .about-engineering .inline-link { margin-top:20px; }
  .services-section { background:var(--surface); }
  .section-title-row { display:flex; align-items:end; justify-content:space-between; gap:30px; margin-bottom:36px; }
  .section-title-row>p { font-size:.95rem; color:var(--muted); max-width:430px; }
  .services-section .section-title-row { flex-direction:column; align-items:center; text-align:center; gap:18px; }
  .service-filters { display:flex; justify-content:center; flex-wrap:wrap; gap:10px; margin-bottom:40px; }
  .service-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:28px 36px; }
  .value-section { background:#fff; text-align:center; }
  .value-section .section-title-row { flex-direction:column; align-items:center; gap:20px; }
  .value-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:55px; margin-top:55px; }
  .value-grid h3 { margin-top:17px; }
  .value-grid p { color:var(--muted); font-size:.95rem; margin-top:14px; }
  .engineering-contact { display:grid; grid-template-columns:.9fr 1.1fr; gap:85px; background:var(--surface); }
  body[data-page=engineering] #contacto { max-width:none; padding-inline:max(40px,calc((100vw - 1120px)/2)); }
  .engineering-contact>div>p { color:var(--muted); max-width:360px; margin-top:20px; }
  .contact-links { display:flex; flex-direction:column; gap:14px; margin-top:30px; font-size:.95rem; overflow-wrap:anywhere; }
  .contact-links a:hover { color:var(--blue); text-decoration:underline; }
  .project-form { padding:30px; background:#fff; border-radius:20px; }
  .project-form>label { display:block; margin-top:20px; }
  .form-grid { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
  .form-note { color:var(--muted); font-size:.72rem; margin:20px 0; }
  .site-footer { background:var(--surface); padding-block:36px; }
  .footer-grid { display:grid; grid-template-columns:1.3fr 1fr auto; align-items:start; gap:35px; font-size:.76rem; }
  .footer-grid p { font-size:.72rem; color:var(--muted); margin-top:10px; }
  .footer-grid>div:nth-child(2) { display:flex; flex-direction:column; gap:12px; }
  .footer-grid small { font-size:.65rem; color:var(--muted); }
  .footer-grid button { border:0; background:none; padding:0; text-align:left; }
  .store-header-row { display:flex; align-items:center; justify-content:space-between; gap:28px; min-height:76px; }
  .store-logo img { width:170px; }
  .store-search { display:flex; align-items:center; flex:1; max-width:490px; background:var(--surface); border:1px solid transparent; border-radius:24px; overflow:hidden; }
  .store-search input { background:transparent; border:0; border-radius:0; width:100%; padding:11px 17px; min-width:0; font-size:.79rem; }
  .store-search input:focus-visible { outline:0; }
  .store-search:focus-within { outline:2px solid #999; outline-offset:2px; }
  .store-search button { display:grid; place-items:center; background:transparent; border:0; width:48px; align-self:stretch; flex-shrink:0; }
  .store-search svg { width:20px; height:20px; }
  .store-nav { display:flex; justify-content:space-between; gap:22px; align-items:center; min-height:44px; font-size:.69rem; border-top:1px solid #ededf0; }
  .store-nav a { white-space:nowrap; padding:13px 0; }
  .store-nav button { border:0; background:none; padding:12px 0; white-space:nowrap; font-size:inherit; }
  .store-cover { background:var(--surface); overflow:hidden; text-align:center; }
  .store-cover-copy { padding-block:42px 0; position:relative; z-index:3; }
  .store-cover h1 { font-size:clamp(2.4rem,4.2vw,3.3rem); }
  .store-cover-copy>p:not(.hero-brand) { margin-top:17px; font-size:1.16rem; }
  .store-lineup { height:330px; max-width:950px; margin:auto; }
  .store-lineup .lineup-drill { width:330px; z-index:2; }
  .store-lineup .lineup-grinder { width:315px; margin-right:-25px; transform:translateY(23px); }
  .store-lineup .lineup-helmet { width:300px; margin-left:-25px; transform:translateY(23px); }
  .category-shortcuts { display:flex; align-items:start; justify-content:center; gap:70px; padding-block:28px 42px; }
  .category-shortcuts a { width:160px; text-align:center; }
  .category-shortcuts .product-photo { width:100px; margin:auto auto 13px; mask-image:radial-gradient(ellipse,#000 50%,transparent 73%); }
  .category-shortcuts strong { font-size:.82rem; font-weight:500; }
  .category-shortcuts a:hover strong { text-decoration:underline; text-underline-offset:4px; }
  .catalog-section { padding-block:35px 80px; scroll-margin-top:0; }
  .catalog-title h2 { font-size:2.35rem; }
  .catalog-layout { display:grid; grid-template-columns:190px 1fr; gap:40px; }
  .catalog-sidebar { font-size:.84rem; }
  .catalog-sidebar>h3 { font-size:.95rem; margin-bottom:24px; }
  .catalog-sidebar fieldset { margin:0 0 26px; padding:0 0 22px; border:0; border-bottom:1px solid var(--line); }
  .catalog-sidebar legend { font-size:.79rem; font-weight:600; margin-bottom:15px; }
  .radio-filter,.check-filter { display:flex; align-items:center; gap:8px; min-height:40px; font-weight:400; font-size:.74rem; }
  .radio-filter>span { flex:1; }
  .radio-filter small { color:var(--muted); font-size:.68rem; }
  .price-filter-label { font-weight:400; font-size:.71rem; display:flex; justify-content:space-between; gap:10px; margin-bottom:13px; }
  .clear-filter { border:0; background:none; color:var(--action); padding:10px 0; font-size:.77rem; text-decoration:underline; text-underline-offset:4px; }
  .filter-help { margin-top:32px; font-size:.8rem; }
  .filter-help p { color:var(--muted); font-size:.77rem; margin-top:10px; }
  .filter-help .inline-link { font-size:.75rem; margin-top:10px; }
  .catalog-toolbar { display:flex; justify-content:space-between; align-items:center; gap:20px; padding-bottom:16px; margin-bottom:18px; }
  .catalog-toolbar>div { display:flex; gap:12px; align-items:center; color:var(--muted); font-size:.78rem; }
  .catalog-toolbar label { display:flex; align-items:center; gap:10px; font-weight:400; font-size:.73rem; }
  .catalog-toolbar label select { width:auto; margin:0; font-size:.73rem; padding:8px 12px; min-height:40px; border-radius:22px; }
  .mobile-filters-button { display:none; border:1px solid var(--line); background:#fff; border-radius:22px; padding:10px 14px; }
  .product-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:36px 24px; }
  .active-filters { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; }
  .active-filters:empty { display:none; }
  .active-filter { border:0; background:var(--surface); padding:8px 12px; border-radius:22px; font-size:.72rem; }
  .store-value { background:var(--surface); padding-block:75px; text-align:center; }
  .store-value h2 { max-width:660px; margin:auto; }
  .store-value-points { display:grid; grid-template-columns:repeat(3,1fr); gap:50px; margin-top:50px; text-align:left; }
  .store-value-points article>span { display:none; }
  .store-value-points strong { display:block; font-size:1.03rem; font-weight:600; }
  .store-value-points p { font-size:.9rem; color:var(--muted); margin-top:12px; }
  .store-about { display:grid; grid-template-columns:1.1fr .9fr; gap:85px; }
  .store-about p { color:var(--muted); margin-top:20px; }
  .store-about .inline-link { margin-top:20px; }
  .store-about-panel { align-self:center; padding-left:35px; border-left:1px solid var(--line); }
  .store-about-panel>strong { font-size:1.35rem; line-height:1.25; font-weight:600; }
  .store-about-panel>p { font-size:.95rem; margin:20px 0 24px; }
  .store-footer img { width:170px; }
  .product-main { padding-block:28px 80px; }
  .breadcrumbs { display:flex; gap:8px; flex-wrap:wrap; font-size:.72rem; color:var(--muted); margin-bottom:30px; }
  .breadcrumbs a:hover { text-decoration:underline; }
  .product-detail-grid { display:grid; grid-template-columns:1.1fr 1fr; gap:60px; }
  .product-gallery { background:var(--surface); overflow:hidden; align-self:start; border-radius:20px; }
  .product-gallery .product-photo { width:100%; }
  .product-gallery>p { font-size:.65rem; color:var(--muted); padding:16px 22px; }
  .product-info h1 { font-size:2.15rem; line-height:1.13; }
  .product-info .demo-label { margin-bottom:17px; }
  .product-reference { color:var(--muted); font-size:.73rem; margin:15px 0 22px; }
  .product-info .product-price { font-size:1.6rem; }
  .product-info>p { color:var(--muted); margin-top:22px; font-size:.92rem; }
  .product-info .product-unit { margin-top:5px; font-size:.73rem; }
  .product-options { padding-block:25px; margin-top:22px; border-block:1px solid var(--line); }
  .product-options>label { display:block; max-width:260px; }
  .purchase-row { display:flex; align-items:center; flex-wrap:wrap; gap:15px; margin-top:18px; }
  .product-advice { margin-top:20px; font-size:.8rem; }
  .product-specs { margin-top:35px; }
  .product-specs h2 { font-size:1.4rem; margin-bottom:20px; }
  .specs-table { width:100%; border-collapse:collapse; font-size:.82rem; }
  .specs-table th,.specs-table td { text-align:left; padding:13px 8px; border-bottom:1px solid var(--line); }
  .specs-table th { font-weight:500; width:40%; }
  .specs-table td { color:var(--muted); }
  .related-products { margin-top:70px; padding-top:35px; border-top:1px solid var(--line); }
  .related-products h2 { font-size:1.8rem; }
}
@layer components {
  .button { display:inline-flex; align-items:center; justify-content:center; gap:12px; min-height:44px; padding:11px 23px; color:#fff; background:var(--action); border:1px solid var(--action); border-radius:999px; font-size:.83rem; font-weight:400; transition:background 180ms,opacity 180ms; }
  .button:hover { opacity:.85; }
  .button-small { padding:9px 17px; min-height:38px; font-size:.72rem; }
  .button-outline { border-color:var(--action); color:var(--action); background:transparent; }
  .button-outline:hover { background:#00000005; }
  .button-light { background:transparent; color:var(--action); border-color:var(--action); }
  .inline-link { display:inline-flex; align-items:center; gap:10px; background:transparent; border:0; padding:0; font-size:.86rem; font-weight:400; color:var(--blue); min-height:44px; }
  .inline-link:hover { text-decoration:underline; text-underline-offset:4px; }
  .value-check { display:grid; place-items:center; width:30px; height:30px; margin-inline:auto; border-radius:50%; border:1px solid var(--action); color:var(--action); }
  .filter-chip { border:1px solid var(--line); border-radius:999px; background:transparent; padding:10px 17px; font-size:.78rem; min-height:44px; }
  .filter-chip[aria-pressed=true] { background:var(--action); border-color:var(--action); color:#fff; }
  .service-card { padding:28px 0; border-top:1px solid #d4d4da; display:flex; flex-direction:column; align-items:start; }
  .service-icon { color:var(--action); margin-bottom:19px; }
  .service-icon svg { width:31px; height:31px; stroke-width:1.3; }
  .service-card h3 { font-size:1.15rem; }
  .service-card p { font-size:.92rem; color:var(--muted); margin:15px 0 20px; }
  .service-card .inline-link { margin-top:auto; }
  .filter-status { font-size:.73rem; color:var(--muted); margin-top:20px; text-align:center; }
  .cart-trigger { display:flex; align-items:center; gap:9px; background:transparent; border:0; padding:10px 0; min-height:44px; font-size:.72rem; flex-shrink:0; }
  .cart-trigger b { width:22px; height:22px; display:grid; place-items:center; border-radius:50%; background:var(--ink); color:#fff; font-size:.62rem; font-weight:500; }
  .product-photo { aspect-ratio:1; background-image:url("assets/products-demo.png"); background-repeat:no-repeat; background-size:400% 200%; background-color:var(--surface); }
  .sprite-0 { background-position:0% 0%; }.sprite-1 { background-position:33.33333% 0%; }.sprite-2 { background-position:66.66667% 0%; }.sprite-3 { background-position:100% 0%; }
  .sprite-4 { background-position:0% 100%; }.sprite-5 { background-position:33.33333% 100%; }.sprite-6 { background-position:66.66667% 100%; }.sprite-7 { background-position:100% 100%; }
  .product-card { display:flex; flex-direction:column; min-width:0; }
  .product-card-image { display:block; background:var(--surface); border-radius:14px; overflow:hidden; }
  .product-card-image .product-photo { width:100%; mix-blend-mode:multiply; transition:transform 250ms; }
  .product-card-image:hover .product-photo { transform:scale(1.035); }
  .product-card-body { padding:20px 3px 0; display:flex; flex-direction:column; flex:1; }
  .product-category { font-size:.68rem; color:var(--muted); }
  .product-card h3 { font-size:1rem; line-height:1.3; margin:8px 0 10px; min-height:2.6em; letter-spacing:-.025em; }
  .product-card h3 a:hover { text-decoration:underline; }
  .product-meta { font-size:.68rem; color:var(--muted); }
  .product-price { font-size:1.05rem; font-weight:600; margin-top:17px; letter-spacing:-.015em; }
  .product-unit { font-size:.66rem; color:var(--muted); margin-bottom:18px; }
  .product-card .button { align-self:start; min-height:40px; padding:9px 15px; font-size:.73rem; margin-top:auto; }
  .product-card .compare-check { display:flex; align-items:center; gap:8px; font-size:.7rem; font-weight:400; margin-top:12px; min-height:32px; color:var(--muted); }
  .demo-label { display:inline-block; color:var(--muted); font-size:.66rem; padding:7px 0; }
  .empty-results { text-align:center; padding:70px 25px; background:var(--surface); border-radius:18px; }
  .empty-results>span { font-size:3rem; color:var(--muted); }
  .empty-results h3 { font-size:1.2rem; margin:10px 0; }
  .empty-results p { color:var(--muted); font-size:.9rem; margin-bottom:25px; }
  .compare-bar { position:fixed; z-index:30; bottom:20px; left:50%; transform:translateX(-50%); width:min(650px,calc(100% - 32px)); padding:14px 18px; background:var(--ink); color:#fff; display:flex; align-items:center; justify-content:space-between; gap:20px; border-radius:24px; font-size:.78rem; }
  .compare-bar>div { display:flex; align-items:center; gap:12px; }
  .compare-bar .button { background:#fff; color:var(--ink); min-height:40px; padding:8px 17px; font-size:.73rem; }
  .compare-clear { border:0; background:none; color:#ddd; font-size:.73rem; padding:10px; }
  dialog { border:1px solid var(--line); border-radius:20px; color:var(--ink); padding:30px;  max-width:calc(100% - 30px); max-height:calc(100dvh - 35px); }
  dialog::backdrop { background:#00000066; }
  .content-dialog { width:580px; }
  .dialog-close { position:absolute; top:16px; right:16px; width:35px; height:35px; border:1px solid var(--line); border-radius:50%; background:#fff; display:grid; place-items:center; font-size:1.4rem; }
  dialog h2 { font-size:1.6rem; margin-right:35px; }
  .content-dialog>p { font-size:.9rem; color:var(--muted); margin:20px 0; }
  .content-dialog>ul { padding-left:20px; font-size:.9rem; color:var(--muted); margin:22px 0 28px; }
  .content-dialog li+li { margin-top:10px; }
  .content-dialog dl { font-size:.84rem; margin:20px 0; }
  .content-dialog dt { font-weight:600; margin-top:13px; color:var(--blue); }
  .content-dialog dd { margin:4px 0 0; overflow-wrap:anywhere; white-space:pre-wrap; }
  .cart-dialog { position:fixed; margin:0 0 0 auto; inset:0 0 0 auto; width:480px; height:100dvh; max-height:none; max-width:100%; border-radius:0; padding:0; }
  .cart-dialog[open] { display:flex; flex-direction:column; }
  .cart-dialog-header { padding:24px; border-bottom:1px solid var(--line); }
  .cart-dialog-header h2 { font-size:1.4rem; }
  .cart-lines { flex:1; overflow:auto; padding:20px 24px; }
  .cart-line { display:grid; grid-template-columns:85px 1fr; gap:17px; padding-block:18px; border-bottom:1px solid var(--line); }
  .cart-line:first-child { padding-top:0; }
  .cart-line .product-photo { border-radius:6px; }
  .cart-line h3 { font-size:.85rem; margin-bottom:6px; }
  .cart-line p { font-size:.73rem; color:var(--muted); }
  .cart-line>div:last-child>strong { display:block; font-size:.83rem; margin-top:6px; }
  .cart-line-actions { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:12px; }
  .quantity-control { display:inline-flex; align-items:center; border:1px solid #cdd8e0; border-radius:5px; overflow:hidden; background:white; }
  .quantity-control button { width:34px; height:34px; border:0; background:#f5f7f9; font-size:1rem; }
  .quantity-control input { width:45px; text-align:center; border:0; border-radius:0; padding:5px; height:34px; min-height:34px; font-size:.8rem; -moz-appearance:textfield; }
  .quantity-control input::-webkit-inner-spin-button { -webkit-appearance:none; }
  .remove-item { border:0; padding:7px 0; color:var(--muted); background:none; font-size:.76rem; text-decoration:underline; }
  .cart-empty { text-align:center; padding:45px 10px; }
  .cart-empty p { color:var(--muted); margin:15px 0 25px; font-size:.88rem; }
  .cart-summary { padding:22px 24px; border-top:1px solid var(--line); background:#f7f9fa; }
  .cart-summary>div { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; font-size:.9rem; }
  .cart-summary>p { color:var(--muted); font-size:.72rem; margin-bottom:15px; }
  .cart-summary .button { width:100%; }
  .cart-summary>.demo-label { margin-top:14px; }
  .checkout-form { margin-top:25px; }
  .checkout-form>label { display:block; margin-top:17px; }
  .checkout-form .button { width:100%; }
  .checkout-summary { display:flex; justify-content:space-between; background:var(--surface); border-radius:6px; padding:16px; margin:20px 0; font-size:.85rem; }
  .compare-dialog { width:880px; }
  .compare-table-wrap { margin-top:25px; overflow:auto; }
  .compare-table { border-collapse:collapse; width:100%; min-width:500px; font-size:.8rem; }
  .compare-table th,.compare-table td { border:1px solid var(--line); padding:15px; text-align:left; vertical-align:top; }
  .compare-table th { background:#f4f7f9; width:22%; }
  .compare-table .product-photo { width:120px; border-radius:6px; margin-bottom:12px; }
  .compare-table a { display:block; color:var(--blue); margin-top:10px; }
  .comparison-note { margin-top:15px; font-size:.74rem; color:var(--muted); }
  .success-icon { width:50px; height:50px; display:grid; place-items:center; border-radius:50%; background:#e1efe8; color:#25714b; margin-bottom:20px; font-size:1.4rem; }
  .toast { position:fixed; z-index:80; bottom:25px; left:50%; transform:translateX(-50%); width:max-content; max-width:calc(100% - 40px); background:#202830; color:#fff; border-radius:7px; padding:14px 22px; font-size:.85rem;  opacity:0; pointer-events:none; transition:opacity 150ms; }
  .toast.is-visible { opacity:1; }
}
@layer responsive {
  @media(max-width:1050px) {
    .wrap { padding-inline:28px; }
    .engineering-header nav { gap:17px; font-size:.67rem; }
    .engineering-logo>span { font-size:.75rem; }
    .store-nav { gap:24px; overflow:auto; scrollbar-width:thin; justify-content:start; }
    .catalog-layout { grid-template-columns:175px 1fr; gap:28px; }
    .product-grid { gap:30px 18px; }
    .about-engineering,.engineering-contact,.store-about { gap:45px; }
    body[data-page=engineering] #contacto { padding-inline:28px; }
    .product-detail-grid { gap:35px; }
    .silver-choice .lineup-drill { width:220px; margin-right:-55px; }
    .silver-choice .lineup-helmet { width:195px; margin-right:-55px; }
    .silver-choice .lineup-grinder { width:195px; }
  }
  @media(max-width:800px) {
    .engineering-header nav { display:none; position:absolute; top:100%; left:0; right:0; background:#fffffffa; border-bottom:1px solid var(--line); padding:20px 28px; flex-direction:column; align-items:stretch; gap:0; font-size:.85rem; }
    .engineering-header nav.is-open { display:flex; }
    .engineering-header nav .button { margin-block:12px; }
    .mobile-menu-toggle { display:block; }
    .service-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .value-grid { gap:28px; }
    .about-engineering,.engineering-contact { grid-template-columns:1fr; gap:30px; }
    .catalog-layout { grid-template-columns:1fr; }
    .catalog-sidebar { display:none; padding:25px; background:var(--surface); border-radius:16px; }
    .catalog-sidebar.is-open { display:block; }
    .filter-help { display:none; }
    .mobile-filters-button { display:block; }
    .category-shortcuts { gap:35px; }
    .store-about { grid-template-columns:1fr; }
    .store-about-panel { padding-left:0; border:0; }
    .store-value-points { gap:28px; }
    .store-lineup .lineup-drill { width:290px; }
    .store-lineup .lineup-grinder { width:245px; margin-right:-35px; }
    .store-lineup .lineup-helmet { width:240px; margin-left:-35px; }
    .footer-grid { grid-template-columns:1fr 1fr; }
    .footer-grid>small { grid-column:1/-1; }
    .product-detail-grid { gap:28px; }
    .product-info h1 { font-size:1.8rem; }
    .brand-choices { gap:8px; margin-inline:8px; }
    .destination-copy { padding-inline:15px; }
    .destination-copy p { font-size:.83rem; }
    .destination-copy h2 { font-size:1.7rem; }
    .silver-choice .destination-logo img { width:180px; }
    .silver-choice .lineup-drill { width:180px; margin-right:-65px; }
    .silver-choice .lineup-helmet { width:150px; margin-right:-50px; }
    .silver-choice .lineup-grinder { width:150px; }
    .destination-media { height:240px; }
  }
  @media(max-width:600px) {
    :root { font-size:16px; }
    html { scroll-padding-top:175px; }
    .wrap { padding-inline:22px; }
    .section { padding-block:58px; }
    .group-header>.wrap { min-height:57px; justify-content:center; }
    .group-header nav { display:none; }
    .group-logo { font-size:.88rem; }
    .portal-intro { padding-block:28px; }
    .portal-intro h1 { font-size:2rem; }
    .portal-intro p { font-size:.92rem; }
    .brand-choices { grid-template-columns:1fr; }
    .destination-copy { padding-top:25px; }
    .destination-logo { height:64px; margin-bottom:16px; }
    .montaservi-choice .destination-logo img { width:73px; }
    .silver-choice .destination-logo img { width:210px; }
    .destination-copy h2 { font-size:1.9rem; }
    .destination-copy p { font-size:.96rem; }
    .destination-media { display:none; }
    .destination-copy { padding-bottom:26px; }
    .destination-copy h2 { font-size:1.65rem; }
    .destination-logo { height:60px; margin-bottom:14px; }
    .silver-choice .lineup-drill { width:230px; margin-right:-90px; }
    .silver-choice .lineup-helmet { width:180px; margin-right:-65px; }
    .silver-choice .lineup-grinder { width:180px; }
    .portal-caption { padding-block:26px; font-size:.76rem; max-width:340px; }
    .group-footer { font-size:.63rem; padding-block:20px; }
    .brand-top { font-size:.6rem; }
    .brand-top>.wrap { gap:12px; }
    .brand-top a:last-child { font-size:.55rem; }
    .brand-header-row { min-height:65px; }
    .engineering-logo img { width:43px; }
    .engineering-logo>span { font-size:.76rem; }
    .engineering-header nav { padding-inline:22px; }
    .engineering-cover-copy { padding-block:35px 28px; }
    .engineering-cover-copy h1 { font-size:2.5rem; }
    .engineering-cover-copy>p:not(.hero-brand) { font-size:1.08rem; }
    .engineering-cover-copy>p br { display:none; }
    .hero-brand { font-size:.92rem; }
    .cover-actions { gap:10px; margin-top:22px; }
    .cover-actions .button { font-size:.81rem; padding:11px 18px; }
    .engineering-cover-image { height:285px; }
    .section-title-row { flex-direction:column; align-items:start; gap:18px; margin-bottom:28px; }
    .section-title-row>p br { display:none; }
    .service-grid { gap:20px; }
    .service-card { padding-top:22px; }
    .service-card h3 { font-size:1.12rem; }
    .service-card p { font-size:.85rem; }
    .service-card .inline-link { font-size:.8rem; }
    .service-filters { gap:8px; }
    .filter-chip { padding:9px 13px; font-size:.72rem; }
    .value-grid { grid-template-columns:1fr; gap:36px; }
    .value-grid p { max-width:340px; margin-inline:auto; }
    body[data-page=engineering] #contacto { padding-inline:22px; }
    .project-form { padding:22px; }
    .form-grid { grid-template-columns:1fr; gap:16px; }
    .project-form .button { width:100%; }
    .footer-grid { grid-template-columns:1fr; gap:25px; }
    .store-top>.wrap>span { display:none; }
    .store-header-row { min-height:0; flex-wrap:wrap; gap:13px; padding-block:13px; }
    .store-logo img { width:137px; }
    .cart-trigger span { display:none; }
    .store-search { order:3; flex-basis:100%; max-width:none; }
    .store-search input { min-height:42px; font-size:.83rem; }
    .store-nav { gap:25px; font-size:.75rem; }
    .store-nav a { padding-block:12px; }
    .store-cover-copy { padding-top:32px; }
    .store-cover h1 { font-size:2.25rem; }
    .store-cover-copy>p:not(.hero-brand) { font-size:1rem; max-width:280px; margin-inline:auto; }
    .store-lineup { height:235px; }
    .store-lineup .lineup-drill { width:235px; }
    .store-lineup .lineup-grinder { width:170px; margin-right:-80px; transform:translateY(25px); }
    .store-lineup .lineup-helmet { width:175px; margin-left:-75px; transform:translateY(25px); }
    .category-shortcuts { gap:14px; padding-block:24px 22px; }
    .category-shortcuts a { width:110px; }
    .category-shortcuts .product-photo { width:75px; margin-bottom:9px; }
    .category-shortcuts strong { font-size:.74rem; }
    .catalog-section { padding-block:30px 55px; }
    .catalog-title { gap:12px; }
    .catalog-title h2 { font-size:1.95rem; }
    .demo-label { font-size:.67rem; }
    .catalog-toolbar { gap:12px; flex-wrap:wrap; }
    .catalog-toolbar label { font-size:.69rem; gap:8px; }
    .catalog-toolbar label select { max-width:145px; font-size:.72rem; }
    .catalog-toolbar #result-count { font-size:.74rem; }
    .mobile-filters-button { font-size:.72rem; }
    .product-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px 16px; }
    .product-card-body { padding-top:15px; }
    .product-category { font-size:.64rem; }
    .product-card h3 { font-size:.94rem; line-height:1.3; margin-block:7px 10px; }
    .product-meta { font-size:.66rem; }
    .product-price { font-size:1rem; margin-top:13px; }
    .product-unit { font-size:.62rem; margin-bottom:14px; }
    .product-card .button { font-size:.69rem; padding:9px 11px; width:100%; }
    .product-card .compare-check { font-size:.71rem; }
    .store-value { padding-block:55px; }
    .store-value-points { grid-template-columns:1fr; gap:30px; margin-top:35px; }
    .store-value h2 { font-size:1.9rem; }
    .product-main { padding-block:22px 50px; }
    .breadcrumbs { font-size:.68rem; margin-bottom:20px; }
    .product-detail-grid { grid-template-columns:1fr; gap:28px; }
    .product-gallery .product-photo { max-width:375px; margin:auto; }
    .product-info h1 { font-size:2rem; }
    .product-specs { margin-top:30px; }
    .related-products { margin-top:45px; }
    .related-products h2 { font-size:1.55rem; }
    .related-products .section-title-row { gap:10px; }
    .purchase-row .button { flex:1; }
    dialog { padding:28px 22px; }
    dialog h2 { font-size:1.5rem; }
    .dialog-close { top:12px; right:12px; }
    .cart-dialog { padding:0; width:100%; }
    .compare-bar { bottom:12px; padding:12px 14px; gap:8px; font-size:.65rem; }
    .compare-clear { font-size:.67rem; padding:8px; }
    .compare-bar .button { font-size:.69rem; padding:8px 12px; }
  }
  @media(max-width:380px) { .service-grid { grid-template-columns:1fr; } .catalog-toolbar label { width:100%; justify-content:space-between; } }
  @media(prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { animation-duration:.01ms!important; transition-duration:.01ms!important; } }
}