/**
 * Header CSS - Navigation moderne
 * Pas de la Case Refonte 2026
 */

/* ============================================
   HEADER PRINCIPAL
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: all var(--transition-base);
}

.header .nav__link,
.header .header__weather-temp {
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.header .header__weather {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 6px 12px;
  color: white;
}

.header .header__burger-line {
  background-color: white;
}

.header .header__logo-img {
  filter: brightness(0) invert(1);
}

.header--transparent {
  background-color: rgba(26, 26, 46, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1);
}

.header--transparent .nav__link,
.header--transparent .header__logo-text,
.header--transparent .header__weather {
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.header--transparent .nav__link:hover {
  color: rgba(255, 255, 255, 0.8);
}

.header--transparent .header__weather {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 6px 12px;
}

.header--transparent .header__burger-line {
  background-color: white;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.header--scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header--scrolled .nav__link,
.header--scrolled .header__logo-text,
.header--scrolled .header__weather-temp {
  color: var(--color-gray-900);
  text-shadow: none;
}

.header--scrolled .header__weather {
  background-color: transparent;
}

.header--scrolled .header__burger-line {
  background-color: var(--color-gray-900);
}

.header--scrolled .header__logo-img {
  filter: none;
}

/* Header sur pages sans hero */
body:not(.has-hero) .header {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

body:not(.has-hero) .header .nav__link,
body:not(.has-hero) .header .header__weather-temp {
  color: var(--color-gray-900);
  text-shadow: none;
}

body:not(.has-hero) .header .header__weather {
  background-color: transparent;
}

body:not(.has-hero) .header .header__burger-line {
  background-color: var(--color-gray-900);
}

body:not(.has-hero) .header .header__logo-img {
  filter: none;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============================================
   LOGO
   ============================================ */

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-img {
  height: 40px;
  width: auto;
}

.header--transparent .header__logo-img {
  filter: brightness(0) invert(1);
}

.header__logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-gray-900);
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--font-regular);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   NAVIGATION PRINCIPALE
   ============================================ */

.nav {
  display: none;
}

@media (min-width: 64em) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-gray-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
  background-color: rgba(26, 95, 180, 0.08);
  text-decoration: none;
}

.nav__link--active {
  font-weight: var(--font-semibold);
}

/* Indicateur dropdown */
.nav__link--dropdown::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition-fast);
}

.nav__item:hover .nav__link--dropdown::after {
  transform: rotate(180deg);
}

/* ============================================
   DROPDOWN MENU
   ============================================ */

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  padding: var(--space-2) 0;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
}

.nav__dropdown-item {
  display: block;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav__dropdown-item:hover {
  background-color: var(--color-gray-50);
  color: var(--color-primary);
  text-decoration: none;
}

.nav__dropdown-divider {
  height: 1px;
  margin: var(--space-2) 0;
  background-color: var(--color-gray-200);
}

/* Mega menu pour les grandes catégories */
.nav__mega-dropdown {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  padding: var(--space-8);
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.nav__item:hover .nav__mega-dropdown {
  opacity: 1;
  visibility: visible;
}

.nav__mega-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  max-width: var(--container-max);
  margin: 0 auto;
}

.nav__mega-column h4 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-gray-900);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-primary);
}

.nav__mega-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__mega-column li {
  margin-bottom: var(--space-2);
}

.nav__mega-column a {
  font-size: var(--text-sm);
  color: var(--color-gray-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav__mega-column a:hover {
  color: var(--color-primary);
}

/* ============================================
   ACTIONS HEADER (météo, CTA)
   ============================================ */

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header__weather {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-gray-100);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

@media (min-width: 80em) {
  .header__weather {
    display: flex;
  }
}

.header__weather-icon {
  font-size: 1.25rem;
}

.header__weather-temp {
  font-weight: var(--font-semibold);
}

.header__cta {
  display: none;
}

@media (min-width: 64em) {
  .header__cta {
    display: inline-flex;
  }
}

/* ============================================
   MENU BURGER (mobile)
   ============================================ */

.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  z-index: calc(var(--z-modal) + 1);
}

@media (min-width: 64em) {
  .header__burger {
    display: none;
  }
}

.header__burger-line {
  width: 24px;
  height: 2px;
  background-color: var(--color-gray-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.header__burger-line:nth-child(1) {
  transform: translateY(-6px);
}

.header__burger-line:nth-child(3) {
  transform: translateY(6px);
}

/* État ouvert */
.header__burger--open .header__burger-line:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.header__burger--open .header__burger-line:nth-child(2) {
  opacity: 0;
}

.header__burger--open .header__burger-line:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* ============================================
   MENU MOBILE
   ============================================ */

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);
  background-color: var(--color-white);
  padding: 90px var(--gutter) var(--space-8);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

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

@media (min-width: 64em) {
  .mobile-menu {
    display: none;
  }
}

/* Pages populaires */
.mobile-menu__popular {
  background: linear-gradient(135deg, #f5f7fa 0%, #e8eef5 100%);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.mobile-menu__popular-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-gray-700);
  margin: 0 0 16px;
  text-align: center;
}

.mobile-menu__popular-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-menu__popular-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: white;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.mobile-menu__popular-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.mobile-menu__popular-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.mobile-menu__popular-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-gray-700);
}

.mobile-menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu__item {
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-gray-800);
  text-decoration: none;
}

.mobile-menu__link:hover {
  color: var(--color-primary);
}

.mobile-menu__submenu {
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-4) var(--space-4);
  display: none;
}

.mobile-menu__item--expanded .mobile-menu__submenu {
  display: block;
}

.mobile-menu__submenu li {
  margin-bottom: var(--space-3);
}

.mobile-menu__submenu a {
  font-size: var(--text-base);
  color: var(--color-gray-600);
  text-decoration: none;
}

.mobile-menu__submenu a:hover {
  color: var(--color-primary);
}

.mobile-menu__cta {
  margin-top: var(--space-8);
}

.mobile-menu__cta .btn {
  width: 100%;
}

/* ============================================
   TOP BAR (optionnel)
   ============================================ */

.topbar {
  background-color: var(--color-gray-900);
  color: var(--color-white);
  font-size: var(--text-xs);
  padding: var(--space-2) 0;
}

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

.topbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.topbar__right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.topbar a {
  color: var(--color-gray-300);
  text-decoration: none;
}

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

/* Alerte topbar */
.topbar--alert {
  background-color: var(--color-error);
  text-align: center;
}

.topbar--alert a {
  color: var(--color-white);
  text-decoration: underline;
}