/* =====================================================================
   En-tête du catalogue (pièces, fournitures, outillage, panier) = en-tête du site vitrine.
   Même balisage (lib/menu.php : .site-header, .nav-toggle, .site-nav), mêmes règles que site.css
   (« Header », « Responsive », Retouche 2026-10-11) ; les sous-menus sont dans theme-chips.css/js.
   Le catalogue ne charge pas site.css : ce fichier en reprend la partie en-tête, valeurs identiques.
   ===================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.65rem var(--gutter);
  background: rgba(5, 5, 7, 0.92);
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--chrome); }
.site-header .brand img { border-radius: 50%; filter: hue-rotate(var(--logo-rotate)); transition: filter 900ms ease; }
.site-header .brand span { font-family: var(--display); font-weight: 800; font-stretch: 130%; font-size: 1.15rem; }
.site-header .brand em { font-style: normal; font-weight: 500; font-stretch: 100%; color: var(--chrome-2); font-size: 0.9rem; }
.site-nav { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; justify-content: flex-end; order: 1; }
.site-nav a:not(.btn) { text-decoration: none; color: var(--chrome-2); font-size: 0.95rem; }
.site-nav a:not(.btn):hover, .site-nav a[aria-current="page"] { color: var(--chrome); }
.site-nav .lang { border: 1px solid var(--line); border-radius: 999px; padding: 0.2rem 0.7rem; min-width: 44px; text-align: center; }
.nav-toggle { display: none; }

/* Panier : toujours visible dans l'en-tête, après le menu (à côté du bouton Menu sur téléphone) */
.site-header .hdr-cart {
  order: 2; display: inline-flex; align-items: center; gap: 0.45rem; min-height: 44px; padding: 0 0.2rem;
  color: var(--chrome); text-decoration: none; font-size: 0.95rem; white-space: nowrap;
}
.site-header .hdr-cart[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--chroma); text-decoration-thickness: 2px; text-underline-offset: 0.35em; }
.site-header .hdr-cart .badge {
  display: inline-block; min-width: 1.5rem; padding: 0.05rem 0.4rem; border-radius: 999px; text-align: center;
  background: var(--chroma); color: var(--ink); font-weight: 700; font-size: 0.875rem;
}

/* Écrans larges : une ligne ; le nom complet seulement s'il y a la place (le panier prend ~80 px) */
.site-header .brand { flex: none; white-space: nowrap; }
@media (min-width: 961px) { .site-nav { flex-wrap: nowrap; } }
@media (min-width: 961px) and (max-width: 1500px) { .site-nav { gap: 1.2rem; } .site-header .brand em { display: none; } }
/* 961–1380 px : deux lignes nettes, comme la vitrine : marque · pastilles · panier, puis tout le menu à droite */
@media (min-width: 961px) and (max-width: 1380px) {
  .site-header { flex-wrap: wrap; row-gap: 0.35rem; }
  .site-nav { order: 5; flex-basis: 100%; justify-content: flex-end; gap: 1.1rem; }
  .site-header .hdr-cart { margin-left: auto; }
}

@media (max-width: 960px) {
  .site-header { flex-wrap: wrap; }
  .site-header .nav-toggle { order: 3; }
  .js .nav-toggle {
    display: inline-flex; align-items: center; gap: 0.6rem;
    min-height: 44px; padding: 0 1rem;
    font: 600 0.95rem var(--text); color: var(--chrome);
    background: none; border: 1px solid var(--line); border-radius: 999px;
    cursor: pointer;
  }
  .js .nav-toggle[aria-expanded="true"] { border-color: var(--chroma); }
  .nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
    display: block; width: 1.1rem; height: 2px; border-radius: 1px; background: currentColor;
    transition: transform 200ms ease, background-color 200ms ease;
  }
  .nav-toggle-bars { position: relative; }
  .nav-toggle-bars::before, .nav-toggle-bars::after { content: ''; position: absolute; left: 0; }
  .nav-toggle-bars::before { transform: translateY(-6px); }
  .nav-toggle-bars::after { transform: translateY(6px); }
  [aria-expanded="true"] > .nav-toggle-bars { background-color: transparent; }
  [aria-expanded="true"] > .nav-toggle-bars::before { transform: rotate(45deg); }
  [aria-expanded="true"] > .nav-toggle-bars::after { transform: rotate(-45deg); }
  .js .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 0.25rem var(--gutter) 1.25rem;
    background: var(--ink);
    border-bottom: 2px solid var(--chroma);
    visibility: hidden; opacity: 0; transform: translateY(-0.5rem);
    transition: opacity 200ms ease, transform 200ms ease, visibility 0s 200ms;
  }
  .js .nav-open .site-nav { visibility: visible; opacity: 1; transform: none; transition: opacity 200ms ease, transform 200ms ease; }
  .js .site-nav a:not(.btn) {
    display: flex; align-items: center; min-height: 3.25rem;
    font-size: 1.1rem; color: var(--chrome);
    border-bottom: 1px solid var(--line);
  }
  .js .site-nav .lang { border-width: 0 0 1px; border-radius: 0; padding: 0; color: var(--chrome-2); text-align: left; }
  .js .site-nav .btn { margin-top: 1.25rem; padding: 0.9rem 1.4rem; font-size: 1rem; text-align: center; justify-content: center; }
  .site-header .hdr-cart { margin-left: auto; }
}
@media (max-width: 720px) {
  html:not(.js) .site-nav a:not(.btn):not(.lang) { display: none; }
  .site-header .brand em { display: none; }
  .site-header { padding-block: 0.5rem; }
  .site-header .brand span { font-size: 1rem; }
  /* téléphones : « MMA · pastilles · Menu » en haut, comme la vitrine ; le panier a sa propre ligne dessous */
  .site-header.cat-site-header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; column-gap: 0.4rem; row-gap: 0; }
  .cat-site-header .brand { grid-column: 1; grid-row: 1; }
  .cat-site-header .theme-chips { grid-column: 2; grid-row: 1; justify-self: start; margin: 0; }
  .cat-site-header .nav-toggle { grid-column: 3; grid-row: 1; }
  .site-header .hdr-cart { grid-column: 1 / -1; grid-row: 2; justify-self: end; margin-left: 0; min-height: 44px; }
}
@media (pointer: coarse) { .site-header .brand { min-height: 44px; } }
@media (prefers-reduced-motion: reduce) {
  .site-header .brand img, .site-nav, .nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after { transition: none !important; }
}
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 30; background: var(--chrome); color: var(--ink); padding: 0.6rem 1rem; border-radius: 6px; }
.skip:focus { top: 0.5rem; }