/* HEADER CONTAINER - GLASSMORPHISM + ANIMATION */
.header-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-md);
  width: 100%;
  /* ANIMATION D'APPARITION */
  transform: translateY(-100%);
  animation: slideDown 0.8s ease-out forwards;
}

/* KEYFRAME SLIDE DOWN */
@keyframes slideDown {
  to {
    transform: translateY(0);
  }
}

/* LOGO ET TITRE */
.header-logo-titre {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.logo {
  height: 60px;
  width: auto;
  flex-shrink: 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.titre-site {
  flex-grow: 1;
  margin-left: var(--spacing-lg);
}

.titre-site h1 {
  font-size: var(--text-3xl);
  margin: 0;
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.titre-site .min {
  font-size: 0.9rem;
  display: block;
}

.titre-site .maj {
  font-size: var(--text-4xl);
  text-transform: uppercase;
}

.titre-site .slogan {
  font-size: 0.95rem;
  color: var(--neutral-light);
  margin: 0.3rem 0 0 0;
}

/* TÉLÉPHONE - Layout uniquement */
.header-tel {
  margin-left: var(--spacing-md);
}

/* NAVIGATION */
.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin: 0;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--neutral-black);
  transition: all 0.3s ease;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  position: relative;
  font-weight: var(--weight-medium);
  letter-spacing: 0.3px;
}

.main-nav a:hover:not(.active) {
  color: var(--primary-color);
  background: rgba(237, 31, 36, 0.05);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--shadow-light);
}

.main-nav a:focus {
  outline: none;
}

/* LIEN ACTIF */
.main-nav a.active {
  color: var(--primary-color);
  background: var(--gradient-card);
  font-weight: var(--weight-semibold);
  box-shadow: 0 2px 4px var(--shadow-light);
}

/* BURGER MENU */
.burger-menu {
  display: none;
  flex-direction: row;
  align-items: center;
  background: var(--gradient-neutral);
  border: 1px solid var(--border-light);
  cursor: pointer;
  padding: 0.9rem 1.3rem;
  margin-left: var(--spacing-md);
  flex-shrink: 0;
  gap: 0.6rem;
  border-radius: 0.6rem;
  box-shadow: 0 2px 8px var(--shadow-light);
  transition: all 0.3s ease;
}

.burger-menu:hover {
  background: var(--gradient-neutral-hover);
  box-shadow: 0 4px 12px var(--shadow-medium);
  transform: translateY(-1px);
  border-color: var(--border-medium);
}

.burger-menu:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px var(--shadow-dark);
}

.burger-icon {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.burger-menu span:not(.burger-text) {
  width: 18px;
  height: 2px;
  background: var(--gradient-primary);
  transition: all 0.3s ease;
  display: block;
  border-radius: 1px;
}

.burger-menu:hover span:not(.burger-text) {
  background: var(--gradient-primary-hover);
}

.burger-text {
  color: var(--neutral-medium);
  font-size: var(--text-sm);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  :root {
    --header-height: 160px;
  }
  
  .header-logo-titre {
    flex-wrap: wrap;
    position: relative;
  }
  
  .burger-menu {
    display: flex;
    position: absolute;
    top: 0;
    right: 0;
    margin: 0;
    padding: 0.3rem;
  }
  
  .header-tel {
    order: 3;
    width: 100%;
    margin: var(--spacing-md) 0 0 0;
    text-align: center;
  }
  
  .main-nav {
    /* SUPPRIMÉ: display: none; */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    /* FLEX TOUJOURS ACTIF */
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: calc(var(--header-height, 120px) + 20px);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  }
  
  .main-nav.active {
    /* SUPPRIMÉ: display: flex; */
    opacity: 1;
    visibility: visible;
    background: rgba(0, 0, 0, 0.4);
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: var(--spacing-lg) 0;
    margin: 0;
    min-width: 280px;
    /* ANIMATION SPECTACULAIRE */
    transform: scale(0.5) translateY(-100px) rotateX(15deg);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  
  .main-nav.active ul {
    transform: scale(1) translateY(0) rotateX(0deg);
    opacity: 1;
  }
  
  /* ANIMATION STAGGERED DES LIENS */
  .main-nav li {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  
  .main-nav.active li:nth-child(1) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.1s;
  }
  
  .main-nav.active li:nth-child(2) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.2s;
  }
  
  .main-nav.active li:nth-child(3) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.3s;
  }
  
  .main-nav.active li:nth-child(4) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.4s;
  }
  
  .main-nav.active li:nth-child(5) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.5s;
  }
  
  .main-nav.active li:nth-child(6) {
    opacity: 1;
    transform: translateX(0);
    transition-delay: 0.6s;
  }
  
  /* STYLES MOBILES UNIQUEMENT */
  .main-nav a {
    display: block;
    padding: var(--spacing-lg) var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0;
    font-size: var(--text-lg);
    /* RESET COMPLET MOBILE */
    background: transparent;
    color: var(--neutral-black);
    transform: none;
    transition: none;
    /* ANTI-TOUCH */
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    outline: none;
  }
  
  .main-nav a.active {
    background: var(--gradient-card);
    color: var(--primary-color);
    font-weight: var(--weight-semibold);
  }
  
  /* HOVER SEULEMENT SI DESKTOP DANS MOBILE */
  @media (hover: hover) and (pointer: fine) {
    .main-nav a:hover:not(.active) {
      background: rgba(237, 31, 36, 0.08);
      color: var(--primary-color);
      transform: translateX(10px) scale(1.02);
      transition: all 0.2s ease;
    }
  }
  
  .main-nav li:first-child a {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }
  
  .main-nav li:last-child a {
    border-bottom: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }
}

@media (max-width: 375px) {
  .header-container {
    padding: var(--spacing-sm);
  }
  
  .burger-menu span:not(.burger-text) {
    width: 18px;
    height: 2px;
  }
  
  .burger-text {
    font-size: var(--text-sm);
  }
}

@media (max-width: 320px) {
  .logo {
    height: 45px;
  }
  
  .titre-site {
    margin-left: var(--spacing-sm);
  }
  
  .titre-site h1 {
    font-size: 1.4rem;
  }
  
  .titre-site .min {
    font-size: 0.7rem;
  }
  
  .titre-site .maj {
    font-size: 1.5rem;
  }
  
  .titre-site .slogan {
    font-size: var(--text-sm);
  }
}