/***** 
 * LaKYOBOX® - Header & Navigation
 * Composant atomique - réutilisé sur toutes les pages
 *****/

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

.header.scrolled {
  border-bottom-color: var(--border-color);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.92);
}

/* Dark header — transparent on dark hero, dark translucent when scrolled */
.header--dark {
  background-color: #0f1118;
}

.header--dark .lang-toggle {
  border-color: rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.08);
}

.header--dark .lang-toggle:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-green-kyolis);
}

.header--dark .lang-toggle__option {
  color: rgba(255, 255, 255, 0.5);
}

.header--dark .lang-toggle__option.active {
  color: var(--color-green-kyolis);
  opacity: 1;
}

.header--dark .lang-toggle__separator {
  color: rgba(255, 255, 255, 0.3);
}

.header--dark .mobile-toggle span {
  background-color: #e8e8ec;
}

.header--dark .btn--secondary {
  color: var(--color-white);
  border-color: var(--color-white);
  background-color: transparent;
}

.header--dark.scrolled {
  background-color: rgba(15, 17, 24, 0.92);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  z-index: 1001;
}

.header__logo-img {
  height: 48px;
  width: auto;
}

/* Nav Center */
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Toggles Right */
.header__toggles {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Language Toggle */
.lang-toggle {
  min-width: 80px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-title);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: 0 var(--space-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.lang-toggle:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--color-green-kyolis);
}

.lang-toggle__option {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  opacity: 0.5;
}

.lang-toggle__option.active {
  color: var(--color-green-kyolis);
  opacity: 1;
}

.lang-toggle__separator {
  color: var(--border-color);
  opacity: 0.5;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .header__inner {
    justify-content: space-between;
    padding: 0 var(--space-xl);
  }

  .header__logo-img {
    height: 28px;
  }

  /* Hamburger visible */
  .mobile-toggle {
    display: flex;
  }

  /* Toggle langue desktop caché */
  .header__toggles .lang-toggle {
    display: none;
  }

  /* Menu mobile — slide depuis le haut */
  .header__nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: #0f1118;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--space-lg) var(--space-xl);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 999;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .header__nav .btn {
    width: 100%;
    justify-content: center;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
  }

  /* Toggle langue dans le menu mobile */
  .header__nav .lang-toggle {
    display: flex;
    width: 100%;
    justify-content: center;
    margin-top: var(--space-xs);
    height: 44px;
    border-color: rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.08);
  }

  .header__nav .lang-toggle .lang-toggle__option {
    color: rgba(255, 255, 255, 0.5);
  }

  .header__nav .lang-toggle .lang-toggle__option.active {
    color: var(--color-green-kyolis);
    opacity: 1;
  }

  .header__nav .lang-toggle .lang-toggle__separator {
    color: rgba(255, 255, 255, 0.3);
  }
}