/* ================================================================
   header.css — Header partagé complet
   Basé sur l’ancien système .lang-switcher
   ================================================================ */

/* ── Stacking context ─────────────────────────────────────────── */
header,
.main-logo,
.lang-switcher {
  transform: translateZ(0);
}

header {
  transition: background-color 0.3s ease-out;
}

/* ── Wrapper principal ────────────────────────────────────────── */
#header .header-wrap {
  position: absolute;
  top: 0;
  z-index: 1000;
  width: 100%;
  padding: 8px 16px !important;
  align-items: flex-start !important;
}

/* ── Logo ─────────────────────────────────────────────────────── */
.main-logo {
  z-index: 1002 !important;
}

.main-logo img {
  max-height: 256px;
  max-width: 180px;
  height: auto;
  width: auto;
  object-fit: contain;
  margin-top: -25px;
  display: block;
}

.main-logo a {
  font-size: 2em;
  color: #fff;
  font-weight: 600;
}

.main-logo.dark a {
  color: #000;
}

/* ── Accessibilité ───────────────────────────────────────────── */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ── Burger ──────────────────────────────────────────────────── */
#menu-toggle {
  opacity: 0;
  position: absolute;
}

#menu-toggle:checked ~ .menu-btn span {
  transform: rotate(45deg);
}

#menu-toggle:checked ~ .menu-btn span::before {
  top: 0;
  transform: rotate(0deg);
}

#menu-toggle:checked ~ .menu-btn span::after {
  top: 0;
  transform: rotate(90deg);
}

.menu-btn {
  display: flex;
  align-items: center;
  position: relative;
  width: 26px;
  height: 26px;
  cursor: pointer;
  z-index: 1003;
  margin: 12px;
}

.menu-btn span,
.menu-btn span::before,
.menu-btn span::after {
  display: block;
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--bs-dark);
  transition-duration: .25s;
}

.menu-btn span::before {
  content: '';
  top: -8px;
}

.menu-btn span::after {
  content: '';
  top: 8px;
}

.menu-btn.light span,
.menu-btn.light span::before,
.menu-btn.light span::after {
  background-color: #fff;
}

/* ── Sélecteur de langue ─────────────────────────────────────── */
.lang-switcher {
  position: absolute;
  top: 18px;
  right: 80px;
  z-index: 1002;
  display: inline-block;
  font-size: 14px;
}

.lang-btn {
  cursor: pointer;
  padding: 6px 8px;
  user-select: none;
  font-size: 20px;
  line-height: 1;
}

.lang-menu {
  position: absolute;
  top: 120%;
  right: 0;
  background: white;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  min-width: 60px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.2s ease;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 4px;
  gap: 4px;
}

.lang-switcher:hover .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-flag {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  text-decoration: none;
  color: #111;
  font-size: 20px;
  width: 40px;
  height: 36px;
  border-radius: 4px;
  transition: background 0.2s ease;
}

.lang-flag:hover {
  background: #f5f5f5;
}

/* ── i18n animation ─────────────────────────────────────────── */
[data-i18n] {
  transition: opacity 0.3s ease;
}

.lang-changing {
  opacity: 0.7;
}

/* ── Nav overlay ────────────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  top: 0;
  z-index: 999;
}

.nav-overlay::before,
.nav-overlay::after {
  content: "";
  position: fixed;
  width: 100vw;
  height: 100vh;
  background: var(--bs-primary);
  border-bottom-left-radius: 200%;
  z-index: -1;
  transition: transform cubic-bezier(0.77, 0, 0.175, 1) 0.6s, border-radius linear 0.8s;
  transform: translateX(100%) translateY(-100%);
}

.nav-overlay::after {
  background: var(--bs-secondary);
  transition-delay: 0s;
}

.nav-overlay::before {
  transition-delay: .2s;
}

.nav__content {
  position: fixed;
  visibility: hidden;
  top: 50%;
  margin-top: 20px;
  transform: translate(0%, -50%);
  width: 100%;
  text-align: center;
  z-index: 998;
}

.nav__list {
  position: relative;
  padding: 0;
  margin: 0;
  z-index: 2;
}

.nav__list-item {
  position: relative;
  display: block;
  transition-delay: 0.8s;
  opacity: 0;
  text-align: center;
  color: #fff;
  overflow: hidden;
  font-family: var(--heading-font);
  font-size: 4.5vh;
  line-height: 1.15;
  margin-top: 0;
  margin-bottom: 0;
  transition: color .3s ease;
}

.nav__list-item a {
  position: relative;
  text-decoration: none;
  color: rgb(75, 75, 75);
  overflow: hidden;
  cursor: pointer;
  padding: 4px;
  z-index: 2;
  display: inline-block;
  transition: all 200ms linear;
}

.nav__list-item a:hover {
  color: var(--bs-primary);
}

.nav__list-item.active-nav a {
  color: var(--bs-primary);
}

body.nav-active .nav__content {
  visibility: visible;
}

body.nav-active .nav-overlay {
  visibility: visible;
}

body.nav-active .nav-overlay::before,
body.nav-active .nav-overlay::after {
  transform: translateX(0%) translateY(0%);
  border-radius: 0;
}

body.nav-active .nav-overlay::after {
  transition-delay: .1s;
}

body.nav-active .nav-overlay::before {
  transition-delay: 0s;
}

body.nav-active .nav__list-item {
  opacity: 1;
  transform: translateX(0%);
  transition: opacity .3s ease, transform .3s ease, color .3s ease;
}

body.nav-active .nav__list-item:nth-child(1)  { transition-delay: 0.8s; }
body.nav-active .nav__list-item:nth-child(2)  { transition-delay: 0.9s; }
body.nav-active .nav__list-item:nth-child(3)  { transition-delay: 1s; }
body.nav-active .nav__list-item:nth-child(4)  { transition-delay: 1.1s; }
body.nav-active .nav__list-item:nth-child(5)  { transition-delay: 1.2s; }
body.nav-active .nav__list-item:nth-child(6)  { transition-delay: 1.3s; }
body.nav-active .nav__list-item:nth-child(7)  { transition-delay: 1.4s; }
body.nav-active .nav__list-item:nth-child(8)  { transition-delay: 1.5s; }
body.nav-active .nav__list-item:nth-child(9)  { transition-delay: 1.6s; }
body.nav-active .nav__list-item:nth-child(10) { transition-delay: 1.7s; }

/* ── Responsive ─────────────────────────────────────────────── */
@media only screen and (max-width: 799px) {
  #header .header-wrap {
    padding: 8px 16px !important;
  }
}

@media (max-width: 768px) {
  .lang-switcher {
    top: 14px;
    right: 75px;
  }
}

@media (max-width: 480px) {
  .lang-switcher {
    top: 12px;
    right: 65px;
  }
}