/* =============================================
   LE VILLAGE — nav.css
   Header fixe, menu burger mobile
   ============================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--color-white);
  box-shadow: 0 2px 12px rgba(0,129,138,0.10);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-page);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Logo */
.header-logo {
  display: block;
  line-height: 0;
  text-decoration: none;
}

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

.header-logo-img {
  display: block;
  height: 44px;
  max-width: none;
  width: auto;
}

/* Navigation desktop */
.nav-desktop {
  display: none;
}

.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-desktop a {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-text);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  background: var(--color-bg);
  color: var(--color-teal);
  text-decoration: none;
}

/* Burger button */
.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.nav-burger:hover {
  background: var(--color-bg);
}

.nav-burger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-teal);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

/* Burger animé en X quand ouvert */
.nav-burger.open span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav-burger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-burger.open span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Menu mobile drawer */
.nav-mobile {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  z-index: 99;
  padding: 1.5rem var(--padding-page);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.nav-mobile.open {
  transform: translateX(0);
}

.nav-mobile a {
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--color-text);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  background: var(--color-bg);
  border-color: var(--color-border);
  color: var(--color-teal);
  text-decoration: none;
}

.nav-mobile .nav-icon {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-teal);
  opacity: 0.8;
}
.nav-mobile .nav-icon svg {
  width: 100%;
  height: 100%;
}

.nav-mobile-divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.5rem 0;
}

/* Overlay sombre derrière le menu mobile */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 64px 0 0 0;
  background: rgba(0,0,0,0.25);
  z-index: 98;
  backdrop-filter: blur(2px);
}

.nav-overlay.open {
  display: block;
}

/* Spacer pour compenser le header fixe */
.header-spacer {
  height: 64px;
}

/* Desktop : afficher nav, cacher burger */
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .nav-burger {
    display: none;
  }

  .nav-mobile {
    display: none !important;
  }

  .nav-overlay {
    display: none !important;
  }
}