/* =========================
   HEADER FIXE
========================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

/* ESPACE POUR ÉVITER LE COLLAGE */
body {
  padding-top: 80px;
}

/* =========================
   CONTAINER
========================= */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

/* =========================
   LOGO
========================= */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  width: 45px;
  height: 45px;
}

.logo-text {
  font-size: 20px;
  font-weight: bold;
  color: var(--primary-color);
}

/* =========================
   NAVIGATION
========================= */
.nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  color: var(--text-color);
  transition: 0.3s;
}

.nav-link i {
  font-size: 14px;
}

.nav-link:hover {
  color: var(--primary-color);
}

/* =========================
   BOUTONS (LANGUE + THÈME)
========================= */
.nav-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  background: var(--card-bg);
  color: var(--text-color);
  transition: 0.3s ease;
  font-weight: 600;
}

.nav-btn:hover {
  background: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

/* =========================
   MENU MOBILE
========================= */
.menu-toggle {
  display: none;
  font-size: 22px;
  cursor: pointer;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 768px) {

  .nav {
    position: absolute;
    top: 80px;
    right: 0;
    width: 250px;
    background: var(--bg-color);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    border-left: 1px solid var(--border-color);

    transform: translateX(100%);
    transition: 0.3s;
  }

  .nav.active {
    transform: translateX(0);
  }

  .menu-toggle {
    display: block;
  }
}
.header {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.85);
}

/* en dark */
body.theme-dark .header {
  background: rgba(18, 18, 18, 0.9);
}