/* ==========================================================================
   Tibum Informática — estilos do site público
   Design system enxuto, mobile-first, sem dependências externas.
   ========================================================================== */

:root {
  --c-navy-900: #00236b;
  --c-navy-800: #003b8f;
  --c-blue-600: #0066cc;
  --c-blue-500: #008cff;
  --c-cyan-400: #00b8f0;
  --c-white: #ffffff;
  --c-bg: #f5f8fc;
  --c-ink: #1f2937;
  --c-muted: #64748b;
  --c-green: #16a34a;
  --c-red: #dc2626;
  --c-amber: #d97706;
  --c-border: #e2e8f0;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .1);
  --shadow-md: 0 6px 24px rgba(15, 23, 42, .1);
  --container: 1200px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --header-h: 128px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.55;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.2; color: var(--c-navy-900); font-weight: 700; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--c-blue-500); outline-offset: 2px; border-radius: 4px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.visually-hidden, .skip-link:not(:focus) {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 12px; top: 12px; z-index: 1000; background: var(--c-navy-900);
  color: #fff; padding: 10px 16px; border-radius: 8px;
}
.muted { color: var(--c-muted); }
.lead { font-size: 1.05rem; color: var(--c-muted); margin-bottom: 1rem; }
.site-main { min-height: 60vh; }
.section { padding: 32px 0; }
.section__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.section__head h2 { font-size: 1.4rem; }
.section__link { font-weight: 600; font-size: .95rem; white-space: nowrap; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-weight: 600; font-size: .95rem; line-height: 1; text-align: center;
  transition: transform .05s ease, background .15s ease, box-shadow .15s ease;
  min-height: 44px; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--c-blue-600); color: #fff; }
.btn--primary:hover { background: var(--c-navy-800); }
.btn--wa { background: #25d366; color: #06331b; }
.btn--wa:hover { background: #1fb955; }
.btn--outline { background: #fff; border-color: var(--c-border); color: var(--c-navy-900); }
.btn--outline:hover { border-color: var(--c-blue-500); }
.btn--ghost { background: transparent; border-color: var(--c-border); color: var(--c-ink); }
.btn--ghost:hover { background: #fff; }
.btn--block { width: 100%; }
.btn--lg { padding: 14px 24px; font-size: 1rem; min-height: 50px; }
.btn--sm { padding: 7px 12px; min-height: 36px; font-size: .85rem; }
.btn--xs { padding: 5px 9px; min-height: 30px; font-size: .78rem; border-radius: 7px; }
.btn--icon { padding: 10px; min-height: 44px; width: 44px; background: #fff; border: 1px solid var(--c-border); color: var(--c-navy-900); }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Header ---------- */
.site-header { background: var(--c-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; }
.site-header__inner {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  gap: 12px; padding: 12px 16px;
}
.site-header__burger { display: none; background: none; border: 0; width: 44px; height: 44px; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.site-header__burger span { width: 22px; height: 2px; background: var(--c-navy-900); border-radius: 2px; }
.site-header__logo img { height: 44px; width: auto; object-fit: contain; }
.site-search { position: relative; display: flex; max-width: 560px; width: 100%; }
.site-search input {
  flex: 1; border: 1px solid var(--c-border); border-right: 0;
  border-radius: 10px 0 0 10px; padding: 11px 14px; font-size: .95rem; background: var(--c-bg);
}
.site-search button {
  background: var(--c-blue-600); color: #fff; border: 0; border-radius: 0 10px 10px 0;
  padding: 0 16px; display: flex; align-items: center;
}
.site-search__suggestions {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: #fff;
  border: 1px solid var(--c-border); border-radius: 12px; box-shadow: var(--shadow-md);
  z-index: 50; overflow: hidden; max-height: 60vh; overflow-y: auto;
}
.site-search__suggestions a {
  display: flex; gap: 10px; align-items: center; padding: 10px 14px; color: var(--c-ink); border-bottom: 1px solid var(--c-border);
}
.site-search__suggestions a:last-child { border-bottom: 0; }
.site-search__suggestions a:hover, .site-search__suggestions a.is-active { background: var(--c-bg); text-decoration: none; }
.site-search__suggestions img { width: 36px; height: 36px; object-fit: contain; border-radius: 6px; background: var(--c-bg); }
.site-search__sug-name { font-weight: 600; font-size: .9rem; }
.site-search__sug-meta { font-size: .78rem; color: var(--c-muted); }

.site-header__actions { display: flex; gap: 6px; align-items: center; }
.site-header__action {
  display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--c-navy-900);
  font-size: .72rem; font-weight: 600; padding: 6px 10px; border-radius: 10px; position: relative;
}
.site-header__action:hover { background: var(--c-bg); text-decoration: none; }
.site-header__action--wa { color: #128c4b; }
.badge {
  position: absolute; top: 0; right: 4px; background: var(--c-red); color: #fff;
  font-size: .65rem; min-width: 16px; height: 16px; border-radius: 8px; display: flex;
  align-items: center; justify-content: center; padding: 0 4px;
}

.site-nav { background: var(--c-navy-900); }
.site-nav__list { display: flex; gap: 4px; list-style: none; }
.site-nav__list > li { position: relative; }
.site-nav__list a { color: #dbe9ff; padding: 13px 16px; display: block; font-weight: 600; font-size: .9rem; }
.site-nav__list a:hover, .site-nav__list a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, .08); text-decoration: none; }
.site-nav__mega {
  position: absolute; top: 100%; left: 0; min-width: 640px; background: #fff; color: var(--c-ink);
  box-shadow: var(--shadow-md); border-radius: 0 0 14px 14px; padding: 20px; display: none;
  grid-template-columns: repeat(3, 1fr); gap: 18px; z-index: 60;
}
.site-nav__has-children:hover .site-nav__mega, .site-nav__has-children:focus-within .site-nav__mega { display: grid; }
.site-nav__mega-title { font-weight: 700; color: var(--c-navy-900); display: block; margin-bottom: 6px; }
.site-nav__mega ul { list-style: none; }
.site-nav__mega ul a { color: var(--c-muted); padding: 4px 0; font-size: .88rem; }
.site-nav__mega ul a:hover { color: var(--c-blue-600); background: none; }
.menu-overlay { display: none; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs { background: #fff; border-bottom: 1px solid var(--c-border); font-size: .82rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 0; color: var(--c-muted); }
.breadcrumbs li + li::before { content: "›"; margin-right: 6px; color: var(--c-border); }
.breadcrumbs [aria-current="page"] { color: var(--c-ink); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, var(--c-navy-900), var(--c-blue-600)); color: #fff; }
.hero__inner { padding: 56px 16px; }
.hero__content { max-width: 640px; }
.hero__eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--c-cyan-400); margin-bottom: 12px; }
.hero__title { color: #fff; font-size: clamp(1.9rem, 5vw, 3rem); margin-bottom: 12px; }
.hero__subtitle { font-size: 1.1rem; color: #cfe2ff; margin-bottom: 24px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Category strip ---------- */
.category-strip { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.category-strip a {
  display: flex; flex-direction: column; align-items: center; gap: 8px; background: #fff;
  border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px 12px;
  color: var(--c-navy-900); font-weight: 600; font-size: .9rem; text-align: center;
}
.category-strip a:hover { border-color: var(--c-blue-500); box-shadow: var(--shadow-sm); text-decoration: none; }
.subcategory-strip, .category-strip img { }
.subcategory-strip { list-style: none; display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.subcategory-strip a { background: #fff; border: 1px solid var(--c-border); border-radius: 999px; padding: 7px 14px; font-size: .85rem; font-weight: 600; color: var(--c-navy-900); }

/* ---------- Product grid & card ---------- */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.product-card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .15s ease, transform .15s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.product-card__media { position: relative; display: block; aspect-ratio: 1/1; background: var(--c-bg); padding: 14px; }
.product-card__media img { width: 100%; height: 100%; object-fit: contain; }
.product-card__body { padding: 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-card__brand { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--c-muted); font-weight: 700; }
.product-card__name { font-size: .95rem; font-weight: 600; }
.product-card__name a { color: var(--c-ink); }
.product-card__name a:hover { color: var(--c-blue-600); text-decoration: none; }
.product-card__desc { font-size: .82rem; color: var(--c-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card__price { margin-top: auto; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; padding-top: 6px; }
.price-old { color: var(--c-muted); text-decoration: line-through; font-size: .82rem; }
.price-now { color: var(--c-navy-900); font-weight: 800; font-size: 1.15rem; }
.price-now--consult { font-size: .95rem; color: var(--c-muted); font-weight: 700; }
.price-now--lg { font-size: 1.8rem; }
.product-card__stock { font-size: .78rem; font-weight: 700; }
.stock--in_stock { color: var(--c-green); }
.stock--low_stock { color: var(--c-amber); }
.stock--out_of_stock { color: var(--c-red); }
.stock--on_request { color: var(--c-blue-600); }
.product-card__actions { display: flex; gap: 6px; margin-top: 8px; }
.product-card__actions .btn:first-child { flex: 1; }

.tag {
  position: absolute; top: 10px; font-size: .72rem; font-weight: 800; padding: 4px 8px;
  border-radius: 6px; z-index: 2;
}
.tag--sale { left: 10px; background: var(--c-red); color: #fff; }
.tag--featured { right: 10px; background: var(--c-navy-900); color: #fff; }

/* ---------- Catalog layout ---------- */
.catalog { padding: 24px 0 48px; }
.catalog__head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 18px; }
.catalog__head h1 { font-size: 1.5rem; margin-right: auto; }
.catalog__count { font-size: .85rem; color: var(--c-muted); width: 100%; order: 3; }
.catalog__intro { width: 100%; order: 4; color: var(--c-muted); }
.catalog__filter-toggle { display: none; }
.catalog__layout { display: grid; grid-template-columns: 260px 1fr; gap: 24px; }
.catalog__results { min-width: 0; }

.filters { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; position: sticky; top: 140px; }
.filters__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.filters__header h2 { font-size: 1rem; }
.filters__clear { font-size: .8rem; }
.filters__group { border: 0; padding: 12px 0; border-top: 1px solid var(--c-border); }
.filters__group legend { font-weight: 700; font-size: .85rem; margin-bottom: 8px; color: var(--c-navy-900); }
.filters__group select, .filters__price input { width: 100%; padding: 9px 10px; border: 1px solid var(--c-border); border-radius: 8px; font-size: .88rem; }
.filters__scroll { max-height: 220px; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.filters__check { display: flex; align-items: center; gap: 8px; font-size: .88rem; padding: 3px 0; cursor: pointer; }
.filters__price { display: flex; align-items: center; gap: 6px; }
.filters__price span { font-size: .8rem; color: var(--c-muted); }
.filters__submit { width: 100%; margin-top: 14px; }

.empty-state { background: #fff; border: 1px dashed var(--c-border); border-radius: var(--radius); padding: 48px 24px; text-align: center; }
.empty-state h2 { margin-bottom: 8px; }
.empty-state p { color: var(--c-muted); margin-bottom: 16px; }

.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 28px; flex-wrap: wrap; }
.pagination__link { font-weight: 600; padding: 8px 14px; border: 1px solid var(--c-border); border-radius: 8px; background: #fff; }
.pagination__status { font-size: .85rem; color: var(--c-muted); }

/* ---------- Product page ---------- */
.product { padding: 24px 0 80px; }
.product__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; }
.product__stage { position: relative; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px; aspect-ratio: 1/1; }
.product__stage img { width: 100%; height: 100%; object-fit: contain; }
.product__thumbs { list-style: none; display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.product__thumbs button { width: 64px; height: 64px; border: 1px solid var(--c-border); border-radius: 8px; background: #fff; padding: 4px; }
.product__thumbs button.is-active { border-color: var(--c-blue-500); }
.product__thumbs img { width: 100%; height: 100%; object-fit: contain; }
.product__brand { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; color: var(--c-muted); }
.product__title { font-size: 1.7rem; margin: 6px 0; }
.product__sku { font-size: .82rem; color: var(--c-muted); margin-bottom: 16px; }
.product__price-box { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 18px; margin-bottom: 14px; }
.price-badge { background: var(--c-red); color: #fff; font-size: .78rem; font-weight: 800; padding: 3px 7px; border-radius: 6px; margin-left: 8px; }
.product__price-note { font-size: .78rem; color: var(--c-muted); margin-top: 6px; }
.product__stock { font-weight: 700; margin-bottom: 16px; }
.product__cta { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.product__cta-hint { font-size: .82rem; color: var(--c-muted); }
.product__short { color: var(--c-muted); }
.product__details { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 48px; }
.product__description h2, .product__specs h2 { font-size: 1.2rem; margin-bottom: 12px; }
.rich-text p { margin-bottom: 12px; }
.rich-text ul, .rich-text ol { margin: 0 0 12px 20px; }
.product__specs table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.product__specs th, .product__specs td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--c-border); font-size: .9rem; }
.product__specs th { width: 40%; color: var(--c-muted); font-weight: 600; }
.product__specs tr:last-child th, .product__specs tr:last-child td { border-bottom: 0; }

.product-sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; background: #fff; border-top: 1px solid var(--c-border);
  padding: 10px 16px; display: none; align-items: center; gap: 12px; z-index: 90; box-shadow: 0 -4px 16px rgba(15, 23, 42, .08);
}
.product-sticky-cta strong { display: block; color: var(--c-navy-900); }
.product-sticky-cta span { font-size: .78rem; color: var(--c-muted); display: block; max-width: 46vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-sticky-cta .btn { margin-left: auto; }

/* ---------- SEO block ---------- */
.seo-block { color: var(--c-muted); font-size: .92rem; max-width: 70ch; }
.seo-block h2 { font-size: 1.1rem; margin-bottom: 8px; }
.seo-block--compact { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--c-border); }

/* ---------- Prose / institutional / contact ---------- */
.prose-page { max-width: 760px; }
.prose-page h1 { margin-bottom: 18px; }
.card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 20px; }
.contact__grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; }
.contact__list { list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.contact__list li { display: flex; gap: 10px; font-size: .92rem; }
.contact__list span { font-weight: 700; min-width: 90px; color: var(--c-navy-900); }
.field { margin-bottom: 14px; display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font-weight: 600; font-size: .88rem; }
.field input, .field textarea, .field select {
  border: 1px solid var(--c-border); border-radius: 9px; padding: 10px 12px; font-size: .95rem; font-family: inherit; background: #fff; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--c-blue-500); outline: none; }
.field__error { color: var(--c-red); font-size: .8rem; }
.field__hint { color: var(--c-muted); font-size: .78rem; }
.field--honeypot { position: absolute; left: -9999px; }

/* ---------- Wishlist ---------- */
.wishlist__items { list-style: none; display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.wishlist__item { display: flex; gap: 12px; align-items: center; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px; }
.wishlist__item img { width: 60px; height: 60px; object-fit: contain; background: var(--c-bg); border-radius: 8px; }
.wishlist__item-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.wishlist__item-info a { font-weight: 600; color: var(--c-ink); }
.wishlist__item-meta { font-size: .78rem; color: var(--c-muted); }
.wishlist__item-price { font-weight: 700; color: var(--c-navy-900); }
.wishlist__actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ---------- Flash ---------- */
.flash-stack { position: fixed; right: 16px; bottom: 16px; z-index: 999; display: flex; flex-direction: column; gap: 8px; max-width: 360px; }
.flash { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; box-shadow: var(--shadow-md); font-size: .9rem; background: #fff; border-left: 4px solid var(--c-muted); }
.flash--success { border-color: var(--c-green); }
.flash--error { border-color: var(--c-red); }
.flash--info { border-color: var(--c-blue-500); }
.flash__close { background: none; border: 0; font-size: 1.1rem; line-height: 1; color: var(--c-muted); }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 80; width: 56px; height: 56px;
  border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center;
  justify-content: center; box-shadow: var(--shadow-md);
}
.wa-float:hover { text-decoration: none; background: #1fb955; }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-navy-900); color: #cbd9f0; margin-top: 48px; }
.site-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; padding: 40px 16px; }
.site-footer__brand img { background: #fff; border-radius: 10px; padding: 8px; margin-bottom: 12px; max-width: 180px; }
.site-footer__brand p { font-size: .88rem; }
.site-footer__location { margin-top: 10px; font-size: .82rem; color: #9fb6db; }
.site-footer__col h2 { color: #fff; font-size: .95rem; margin-bottom: 12px; }
.site-footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.site-footer__col a { color: #cbd9f0; font-size: .88rem; }
.site-footer__col a:hover { color: #fff; }
.site-footer__hours { font-size: .82rem; color: #9fb6db; }
.site-footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding: 16px; font-size: .8rem; text-align: center; color: #9fb6db; }
.site-footer__note { margin-top: 4px; }

/* ---------- Error pages ---------- */
.error-page { text-align: center; padding: 64px 16px; }
.error-page__code { font-size: 4rem; font-weight: 800; color: var(--c-blue-500); }
.error-page__actions { display: flex; gap: 12px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.error-page__stack { text-align: left; background: #0f172a; color: #e2e8f0; padding: 16px; border-radius: 10px; overflow: auto; font-size: .78rem; margin-top: 24px; }

/* ---------- Category index ---------- */
.category-index { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin-top: 20px; }
.category-index__group { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; }
.category-index__group h2 { font-size: 1rem; margin-bottom: 8px; }
.category-index__group ul { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.category-index__group a { font-size: .88rem; }

/* ==========================================================================
   Responsividade
   ========================================================================== */
@media (max-width: 960px) {
  .catalog__layout { grid-template-columns: 1fr; }
  .catalog__filter-toggle { display: inline-flex; }
  .catalog__sidebar { display: none; }
  .catalog__sidebar.is-open { display: block; }
  .filters { position: static; }
  .product__grid { grid-template-columns: 1fr; gap: 24px; }
  .product__details { grid-template-columns: 1fr; }
  .contact__grid { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-header__inner { grid-template-columns: auto auto 1fr auto; }
  .site-header__burger { display: flex; }
  .site-search { order: 4; grid-column: 1 / -1; max-width: none; }
  .site-header__actions .site-header__action span:not(.badge) { display: none; }
  .site-nav { position: fixed; inset: 0 30% 0 0; background: var(--c-navy-900); transform: translateX(-100%); transition: transform .2s ease; z-index: 200; overflow-y: auto; padding-top: 20px; }
  .site-nav.is-open { transform: translateX(0); }
  .site-nav__list { flex-direction: column; }
  .site-nav__mega { position: static; display: grid; min-width: 0; grid-template-columns: 1fr; box-shadow: none; padding: 8px 16px 8px 32px; border-radius: 0; background: rgba(255,255,255,.05); }
  .site-nav__mega-title, .site-nav__mega ul a { color: #cbd9f0; }
  .menu-overlay.is-open { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: 150; }
  .field-row { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .product-sticky-cta { display: flex; }
  .product { padding-bottom: 96px; }
  .wa-float { bottom: 84px; }
  body.page-product .wa-float { display: none; }
}

@media (max-width: 400px) {
  .product-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .product-card__body { padding: 10px; }
  .product-card__actions { flex-direction: column; }
  .product-card__actions .btn--icon { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto; }
}