@media (min-width: 901px) {
  .site-header .desktop-nav .mobile-parent-link,
  .site-header .desktop-nav .mobile-submenu-close {
    display: none !important;
  }
}

@media (max-width: 900px) {
  /* Isoler le menu des marges de body héritées par certaines pages.
     Le contenu principal garde ses propres marges et sa propre largeur. */
  .site-header {
    box-sizing: border-box;
    width: 100vw;
    margin-inline: calc(50% - 50vw);
    margin-block-start: calc(50% - 50vw);
  }
  .site-header .nav-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px 10px;
    padding-top: 7px;
    padding-bottom: 0;
  }

  .site-header .brand {
    min-width: 0;
  }

  .site-header .desktop-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    gap: 6px;
    padding: 8px 0 10px;
    overflow: visible;
    border-top: 0;
    white-space: normal;
  }

  .site-header .desktop-nav a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 38px;
    padding: 6px 8px;
    border: 1px solid transparent;
    border-radius: 10px;
    background: #f7fafb;
    color: #42545c;
    font-size: clamp(0.68rem, 2.1vw, 0.78rem);
    font-weight: 700;
    line-height: 1.15;
    text-align: center;
  }

  .site-header .desktop-nav .nav-submenu {
    display: none !important;
  }

  .site-header .desktop-nav .nav-dropdown {
    display: contents;
    min-width: 0;
  }

  .site-header .desktop-nav .nav-dropdown > a {
    width: 100%;
    height: 100%;
  }

  .site-header .desktop-nav .nav-dropdown > a span {
    display: inline-block;
    margin-left: 3px;
    transition: transform 0.2s ease;
  }

  .site-header .desktop-nav .nav-dropdown.is-open > a span {
    transform: rotate(180deg);
  }

  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu {
    position: static;
    grid-column: 1 / -1;
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    max-height: min(58vh, 520px);
    margin: 1px 0 4px;
    padding: 8px;
    gap: 5px;
    overflow-y: auto;
    border: 1px solid #cfe3e8;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 14px 32px rgba(16, 20, 23, 0.12);
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu a {
    display: flex !important;
    align-items: center;
    justify-content: flex-start;
    min-height: 38px;
    padding: 7px 9px !important;
    gap: 7px;
    border-color: #e2ecef;
    background: #f7fafb;
    font-size: 0.72rem !important;
    line-height: 1.2;
    text-align: left;
  }

  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu a b {
    display: inline;
    flex: 0 0 auto;
  }

  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .nav-submenu-all,
  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .mobile-parent-link,
  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .mobile-submenu-close,
  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .application-family,
  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .product-family {
    grid-column: 1 / -1;
  }

  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .application-family,
  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu .product-family {
    display: block;
    margin: 4px 4px 0;
    padding-top: 6px;
  }

  .site-header .desktop-nav .mobile-parent-link {
    display: none;
  }

  .site-header .desktop-nav .mobile-submenu-close {
    position: sticky;
    bottom: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 42px;
    margin-top: 5px;
    padding: 8px 12px;
    border: 1px solid #9fcfda;
    border-radius: 10px;
    background: #eaf7f9;
    color: #126f93;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
  }

  .site-header .desktop-nav .mobile-submenu-close:hover,
  .site-header .desktop-nav .mobile-submenu-close:focus-visible {
    border-color: #1999c3;
    background: #dff2f6;
    outline: 2px solid #1999c3;
    outline-offset: 2px;
  }

  .site-header .desktop-nav a.active {
    border-color: #b9dce4;
    background: #eaf7f9;
    color: #126f93;
    box-shadow: inset 0 -2px 0 #21a8cf;
  }

  .site-header .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    justify-self: end;
    align-self: center;
    width: min(110px, 30vw);
    min-height: 38px;
    padding: 7px 8px;
    font-size: clamp(0.65rem, 2.25vw, 0.74rem);
    line-height: 1.1;
    text-align: center;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .site-header .brand-sigle {
    display: block;
    width: 56px;
    height: 48px;
    margin-right: -10px;
  }

  .site-header .brand-wordmark {
    width: min(190px, 48vw);
  }

  .site-header .nav-cta {
    max-width: none;
  }

  .site-header .desktop-nav {
    gap: 5px;
  }

  .site-header .desktop-nav a {
    min-height: 40px;
    padding-inline: 5px;
    font-size: 0.66rem;
  }

  .site-header .desktop-nav .nav-dropdown.is-open > .nav-submenu {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 360px) {
  .site-header .nav-wrap {
    gap-inline: 8px;
  }

  .site-header .brand-sigle {
    width: 50px;
    height: 44px;
    margin-right: -12px;
  }

  .site-header .brand-wordmark {
    width: min(165px, 43vw);
  }
}

/* CODEX 44 — agrandissement responsive du bloc marque et du menu. */
@media (max-width: 900px) {
  .site-header .brand {
    margin-left: calc(var(--sigle-width) * -.198);
  }

  .site-header .desktop-nav a {
    font-size: clamp(0.84rem, 2.5vw, 1rem);
  }
}

@media (max-width: 640px) {
  .site-header .container {
    width: min(100% - 28px, var(--shell-max));
  }

  .site-header .brand-sigle {
    display: block;
    width: 74px;
    height: 60px;
    margin-right: calc(9px - 74px * .2 - min(220px, 46vw) * .092);
  }

  .site-header .brand-wordmark {
    width: min(220px, 46vw);
  }

  .site-header .brand { --sigle-width: 74px; }

  .site-header .desktop-nav a {
    font-size: clamp(0.76rem, 2.75vw, 0.9rem);
  }
}

@media (max-width: 360px) {
  .site-header .brand { --sigle-width: 66px; }

  .site-header .brand-sigle {
    width: 66px;
    height: 54px;
    margin-right: calc(9px - 66px * .2 - min(190px, 45vw) * .092);
  }

  .site-header .brand-wordmark {
    width: min(190px, 45vw);
  }
}

/* Codex 45 : compacter les espaces et les cases du menu, sans changer la grille. */
@media (max-width: 900px) {
  .site-header .nav-wrap { gap: 5px 10px; padding-top: 5px; }
  .site-header .brand-sigle { height: 72px; }
  .site-header .desktop-nav { gap: 4px 6px; padding: 5px 0 6px; }
  .site-header .desktop-nav > a,
  .site-header .desktop-nav > .nav-dropdown > a {
    min-height: 32px;
    padding-block: 4px;
  }
}
@media (max-width: 640px) {
  .site-header .brand-sigle { height: 44px; }
}

/* Codex 50 : les dimensions mobiles de l’accueil deviennent communes. */
@media (max-width: 900px) {
  .site-header .desktop-nav > a,
  .site-header .desktop-nav > .nav-dropdown > a {
    font-size: clamp(.882rem, 2.625vw, 1.05rem);
  }
}
@media (max-width: 640px) {
  .site-header .desktop-nav > a,
  .site-header .desktop-nav > .nav-dropdown > a {
    font-size: clamp(.798rem, 2.8875vw, .945rem);
  }
}
/* Les deux libellés longs restent dans leurs cases de 32 px sur petit mobile. */
@media (max-width: 420px) {
  .site-header .desktop-nav > .product-dropdown > a {
    white-space: normal;
    padding-block: 0;
  }
}