/* En-tête (nav à onglets) + pied de page communs — omniaamplecti.fr
   Utilise les variables CSS définies dans chaque page :
   --nav-h, --paper, --paper-dark, --brand, --gold, --muted, --ink */

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h, 72px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3rem;
  background: var(--paper);
  border-bottom: 1px solid rgba(184,154,90,0.25);
  z-index: 100;
  transition: transform 0.32s ease;
}

/* Masqué en descendant, réaffiché en remontant (voir site.js) */
nav.nav--hidden { transform: translateY(-100%); }

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.03em;
  color: var(--brand, #1d3a5f);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.nav-logo img { height: 2em; width: auto; margin-right: 0.5em; vertical-align: middle; }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-item { position: relative; }

/* Abréviation d'onglet (1re lettre) : cachée par défaut, visible en mode compact mobile */
.tab-abbr { display: none; }

.nav-tab {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}

.nav-tab .caret {
  font-size: 0.55rem;
  line-height: 1;
  transition: transform 0.25s;
  /* neutralise d'éventuelles classes .caret propres à une page */
  display: inline;
  width: auto; height: auto; min-width: 0; min-height: 0;
  border: none; background: none; border-radius: 0; box-shadow: none;
  color: inherit; place-items: initial;
}

.nav-tab:hover,
.nav-item.open .nav-tab { color: var(--gold); }
.nav-item.open .nav-tab .caret { transform: rotate(180deg); }

/* ── DROPDOWN ── */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 250px;
  background: var(--paper);
  border: 1px solid rgba(184,154,90,0.25);
  box-shadow: 0 14px 34px rgba(26,24,20,0.10);
  list-style: none;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  z-index: 200;
}

.dropdown::before {
  content: '';
  position: absolute;
  top: -12px; left: 0; right: 0;
  height: 12px;
}

.nav-item:hover .dropdown,
.nav-item.open .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown li a {
  display: block;
  padding: 0.7rem 1.5rem;
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s, color 0.2s, padding-left 0.2s;
  white-space: nowrap;
}

.dropdown li a:hover {
  background: var(--paper-dark);
  color: var(--gold);
  padding-left: 1.8rem;
}

.dropdown li.dropdown-empty {
  padding: 0.7rem 1.5rem;
  font-size: 0.75rem;
  font-style: italic;
  color: var(--muted);
  white-space: nowrap;
}

/* Sous-titres « Ressources » / « Jeux » dans les menus déroulants */
.dropdown li.dropdown-group {
  padding: 0.55rem 1.5rem 0.35rem;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.dropdown li.dropdown-group:not(:first-child) {
  margin-top: 0.25rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(184,154,90,0.18);
}

/* En-tête de groupe dans un menu déroulant (Ressources / Jeux) */
.dropdown li.dropdown-group {
  padding: 0.55rem 1.5rem 0.35rem;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.dropdown li.dropdown-group:not(:first-child) {
  margin-top: 0.25rem;
  padding-top: 0.7rem;
  border-top: 1px solid rgba(184,154,90,0.18);
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid rgba(184,154,90,0.2);
  margin-top: 6rem;
  width: 100%;
  scroll-margin-top: var(--nav-h, 72px);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 3rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-style: normal;
  font-size: 1.2rem;
  color: var(--brand, #1d3a5f);
  display: inline-flex;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--gold); }

.footer-copy {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 820px) {
  /* Page d'accueil : le bandeau peut s'étaler sur plusieurs lignes */
  nav[data-home] {
    flex-direction: column;
    height: auto;
    padding: 1rem 1.5rem;
    gap: 0.6rem;
  }
  nav[data-home] .nav-links {
    gap: 1.1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Toutes les autres pages : bandeau compact tenant sur UNE seule ligne.
     Logo + nom du site conservés ; onglets réduits à leur 1re lettre. */
  nav:not([data-home]) {
    padding: 0 0.5rem;
    gap: 0.35rem;
  }
  nav:not([data-home]) .nav-logo { margin-right: 0.2rem; font-size: 1.05rem; }
  nav:not([data-home]) .nav-logo img { height: 1.7em; margin-right: 0.35em; }
  nav:not([data-home]) .nav-links {
    flex-wrap: nowrap;
    gap: clamp(0.3rem, 2vw, 0.9rem);
  }
  nav:not([data-home]) .tab-full { display: none; }
  nav:not([data-home]) .tab-abbr { display: inline; }
  nav:not([data-home]) .nav-tab {
    padding: 0.5rem 0;
    gap: 0.12rem;
    letter-spacing: 0.06em;
    font-size: 0.72rem;
  }
  nav:not([data-home]) .nav-tab .caret { font-size: 0.46rem; }
}

@media (max-width: 600px) {
  .footer-inner { padding: 3rem 1.5rem; flex-direction: column; text-align: center; }
  .dropdown { min-width: 200px; }
}