/* Header unique de betonmalin.fr : source de vérité partagée par toutes les pages publiques.
   Reprend à l'identique la barre de l'accueil (BM_site.html). Chargé APRÈS le CSS inline des pages :
   les 13 variantes recopiées page par page sont écrasées (sélecteurs préfixés `nav.nav-c`,
   propriétés listées explicitement pour ne rien hériter d'une variante locale).
   Générée côté HTML par scripts/unify-headers.py. Ne plus recopier ce CSS dans une page. */

nav.nav-c {
  --h-cream: #FBF5E9;
  --h-text: #1A1612;
  --h-muted: #7A6A5A;
  --h-blue: #1A5FE0;
  --h-border: rgba(26, 95, 224, 0.18);
  --h-stencil: 'Stardos Stencil', Impact, sans-serif;
  --h-narrow: 'Archivo Narrow', 'Archivo', 'Arial Narrow', sans-serif;
  position: sticky;
  top: 0;
  z-index: 1000;
  margin: 0;
  padding: 0;
  background: var(--h-cream);
  border-bottom: 1.5px solid var(--h-border);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  font-size: 16px;
  line-height: normal;
  text-align: left;
  box-sizing: border-box;
}
nav.nav-c *, nav.nav-c *::before, nav.nav-c *::after { box-sizing: border-box; }

nav.nav-c .nav-c__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  max-width: 1520px;
  height: 56px;
  margin: 0 auto;
  padding: 0 40px 0 72px;
}
nav.nav-c .nav-c__left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex-shrink: 0;
}
nav.nav-c .nav-c__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
}
nav.nav-c .nav-c__logo img {
  display: block;
  height: 30px;
  width: auto;
  max-width: none;
  filter: drop-shadow(0 0 6px rgba(220, 80, 20, 0.9)) drop-shadow(0 0 18px rgba(255, 130, 0, 0.6)) drop-shadow(0 0 35px rgba(255, 160, 40, 0.35));
  transition: filter 0.3s ease;
}
nav.nav-c .nav-c__logo:hover img {
  filter: drop-shadow(0 0 10px rgba(220, 80, 20, 1)) drop-shadow(0 0 25px rgba(255, 130, 0, 0.85)) drop-shadow(0 0 50px rgba(255, 160, 40, 0.55));
}
nav.nav-c .nav-c__logo-name {
  font-family: var(--h-stencil);
  font-size: 18px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  color: var(--h-text);
}

nav.nav-c .nav-c__links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}
nav.nav-c .nav-c__links li { flex: 0 0 auto; margin: 0; padding: 0; list-style: none; }
nav.nav-c .nav-c__links a {
  font-family: var(--h-narrow);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  color: var(--h-muted);
  transition: color 0.15s;
}
nav.nav-c .nav-c__links a:hover { color: var(--h-text); }
nav.nav-c .nav-c__links a.nav-c__cta,
nav.nav-c a.nav-c__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--h-blue) !important;
  color: #fff !important;
  box-shadow: 0 3px 0 #0F3FA0;
}
nav.nav-c .nav-c__links a.nav-c__cta:hover,
nav.nav-c a.nav-c__cta:hover {
  background: #1248c0 !important;
  transform: translateY(1px);
  box-shadow: 0 2px 0 #0F3FA0;
}

nav.nav-c .nav-c__burger {
  display: none;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 8px;
  background: none;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
nav.nav-c .nav-c__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  margin: 5px 0;
  background: var(--h-text);
}

/* ---- Switch de langue FR / EN (drapeaux SVG) ---- */
nav.nav-c .lang-c {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  border: 1.5px solid var(--h-border);
  border-radius: 999px;
  overflow: hidden;
  background: #fff;
}
nav.nav-c .lang-c a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5px 9px;
  line-height: 0;
  text-decoration: none;
  background: transparent;
  color: inherit;
  opacity: 0.4;
  filter: grayscale(0.85);
  transition: opacity 0.15s, filter 0.15s, background 0.15s;
}
nav.nav-c .lang-c a + a { border-left: 1.5px solid var(--h-border); }
nav.nav-c .lang-c a:hover { opacity: 0.85; filter: grayscale(0.2); background: rgba(26, 95, 224, 0.07); }
nav.nav-c .lang-c a[aria-current] { opacity: 1; filter: none; background: rgba(26, 95, 224, 0.12); }
nav.nav-c .lang-c__flag {
  display: block;
  width: 23px;
  height: 15px;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.16);
}
/* Nom de la langue : lu par les lecteurs d'écran, invisible à l'écran */
nav.nav-c .lang-c__name {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Menu mobile : habillage (la position fixe est dans css/mobile-nav.css) ---- */
.mobile-c {
  --h-cream: #FBF5E9;
  --h-text: #1A1612;
  --h-narrow: 'Archivo Narrow', 'Archivo', 'Arial Narrow', sans-serif;
  background: var(--h-cream);
}
.mobile-c a {
  font-family: var(--h-narrow);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--h-text);
}

/* ---- Breakpoints identiques à l'accueil ---- */
@media (max-width: 1190px) {
  nav.nav-c .nav-c__links { display: none; }
  nav.nav-c .nav-c__burger { display: block; margin-left: auto; }
}
@media (min-width: 1191px) and (max-width: 1380px) {
  nav.nav-c .nav-c__left { gap: 10px; }
  nav.nav-c .nav-c__links { gap: 14px; }
  nav.nav-c .nav-c__links a { font-size: 14px; }
  nav.nav-c a.nav-c__cta { padding: 9px 14px; }
  nav.nav-c .nav-c__logo-name { font-size: 16px; }
}
@media (max-width: 900px) {
  nav.nav-c .nav-c__inner { padding-left: 24px; }
}
@media (max-width: 420px) {
  nav.nav-c .nav-c__logo-name { display: none; }
}