/* ============================================
   LUMINA ELECTRIC - NAVIGATION & HEADER
   Header sticky, navigation bilingue, mobile menu
   ============================================ */

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--neutral-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--container-padding);
  max-width: var(--container-xl);
  margin: 0 auto;
}

/* === LOGO === */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

.logo img {
  height: 80px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover img {
  transform: translateY(-2px);
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
}

.logo-tagline {
  font-size: var(--text-xs);
  font-weight: var(--font-normal);
  color: var(--neutral-600);
}

/* === NAVIGATION PRINCIPALE === */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
}

.nav-link {
  position: relative;
  padding: var(--space-sm) 0;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--neutral-800);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* === SÉLECTEUR DE LANGUE === */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--neutral-100);
  border-radius: var(--radius-full);
}

.lang-switcher button {
  padding: 0.375rem 0.625rem;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--neutral-600);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-switcher button:hover {
  color: var(--primary);
}

.lang-switcher button.active {
  background: var(--white);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* === CTA HEADER === */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-cta .btn {
  padding: 0.75rem 1.5rem;
}

/* === MENU MOBILE === */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  background: transparent;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--neutral-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* === TOP BAR (Info contact rapide) === */
.top-bar {
  background: var(--primary);
  color: var(--white);
  font-size: var(--text-sm);
  padding: var(--space-sm) 0;
}

.top-bar-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--white);
  text-decoration: none;
}

.top-bar-item:hover {
  color: var(--secondary-light);
}

.top-bar-item i {
  font-size: 1em;
}

/* === RESPONSIVE MOBILE === */
@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .logo img {
    height: 70px; /* Légèrement plus petit sur tablette */
  }
  
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-top: 1px solid var(--neutral-200);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
  }
  
  .nav-menu.active {
    max-height: 500px;
  }
  
  .nav-menu li {
    border-bottom: 1px solid var(--neutral-200);
  }
  
  .nav-link {
    display: block;
    padding: var(--space-lg) var(--container-padding);
  }
  
  .nav-link::after {
    display: none;
  }
  
  .header-cta {
    flex-direction: column;
    width: 100%;
    padding: var(--space-lg) var(--container-padding);
    border-top: 1px solid var(--neutral-200);
  }
  
  .header-cta .btn {
    width: 100%;
  }
  
  .top-bar-info {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  .top-bar-container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

@media (max-width: 640px) {
  .logo-name {
    font-size: var(--text-base);
  }
  
  .logo-tagline {
    display: none;
  }
  
  .logo img {
    height: 60px; /* Plus compact sur mobile */
  }
  
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }
  
  .top-bar {
    display: none; /* Masquer sur très petit écran */
  }
}

/* === FOOTER === */
.footer {
  background: var(--neutral-900);
  color: var(--neutral-300);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about {
  max-width: 400px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  color: var(--white);
  text-decoration: none;
  transition: transform var(--transition-base);
}

.footer-logo:hover {
  transform: scale(1.05);
}

.footer-logo img {
  height: 120px;
  width: auto;
  transition: all var(--transition-base);
}

.footer-logo:hover img {
  filter: brightness(1.1);
}

.footer-logo-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
}

.footer-about p {
  margin-bottom: var(--space-lg);
  color: var(--neutral-400);
  line-height: 1.7;
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--neutral-400);
  text-decoration: none;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.footer-links a:hover {
  color: var(--white);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  color: var(--neutral-400);
}

.footer-contact-item i {
  margin-top: 0.25rem;
  color: var(--primary-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  font-size: var(--text-sm);
  color: var(--neutral-500);
}

.footer-bottom a {
  color: var(--neutral-500);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--white);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 640px) {
  .footer-main {
    grid-template-columns: 1fr;
  }
  
  .footer-logo img {
    height: 90px; /* Logo footer plus petit sur mobile */
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .footer-legal {
    flex-direction: column;
    gap: var(--space-sm);
  }
}