/* ============================================================
   ZONEDEVIE.COM — menu-burger.css  (design V2 — 2026)
   Header sticky, navigation desktop + hamburger mobile
   Requiert variables.css chargé avant
   ============================================================ */

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--blanc);
  border-bottom: 1px solid var(--bordure);
  box-shadow: var(--ombre-sm);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 1rem;
}

/* ---- Logo ---- */
.site-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo:hover { text-decoration: none; }

.logo-leaf {
  width: 36px;
  height: 36px;
  background: var(--vert-fonce);
  border-radius: 50% 10% 50% 10%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-titre);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--vert-fonce);
  line-height: 1.1;
}

.logo-text span {
  display: block;
  font-size: .65rem;
  font-family: var(--font-corps);
  font-weight: 400;
  color: var(--texte-leger);
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---- Navigation desktop ---- */
.nav-principale {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}

.nav-principale a {
  display: block;
  padding: .5rem .85rem;
  font-family: var(--font-corps);
  font-size: .85rem;
  font-weight: 600;
  color: var(--texte-doux);
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.nav-principale a:hover {
  background: var(--vert-pale);
  color: var(--vert-fonce);
  text-decoration: none;
}

/* ---- Bouton hamburger ---- */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .5rem;
  border: none;
  background: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: background var(--transition);
}

.menu-toggle:hover { background: var(--vert-pale); }

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--texte);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

/* Animation hamburger → croix */
.menu-toggle.ouvert span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.ouvert span:nth-child(2) { opacity: 0; }
.menu-toggle.ouvert span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Menu mobile (masqué par défaut) ---- */
.nav-mobile {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--blanc);
  border-bottom: 1px solid var(--bordure);
  box-shadow: var(--ombre-md);
  padding: .75rem;
  z-index: 199;
}

.nav-mobile.ouvert { display: block; }

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .25rem;
}

.nav-mobile a {
  display: flex;
  align-items: center;
  padding: .75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--texte-doux);
  border-radius: 8px;
  min-height: 44px;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}

.nav-mobile a:hover {
  background: var(--vert-pale);
  color: var(--vert-fonce);
  text-decoration: none;
}

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .nav-principale { display: none; }
  .menu-toggle    { display: flex; }
}