/* ==========================================================================
   HEADER / BARRE DE NAVIGATION
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-normal);
}

.header.scrolled {
  height: 70px;
  background-color: rgba(20, 20, 20, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

/* --- LOGO --- */
.logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-title);
  color: var(--color-light);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 4px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.logo-img {
  height: 50px;
  width: auto;
  display: block;
  transition: var(--transition-normal);
}

.logo-green-curve {
  position: relative;
  display: inline-block;
}

/* Le point vert après MIAM. */
.logo-green-curve::after {
  content: '.';
  color: var(--color-accent-green);
}

/* La courbe verte sous le mot MIAM (smiley curve) */
.logo-underline {
  width: 50px;
  height: 6px;
  border: solid 3px transparent;
  border-color: transparent transparent var(--color-accent-green) transparent;
  border-radius: 50%;
  margin-top: -8px;
}

/* --- BOUTON LOCALISATION (Gaucher) --- */
.locator-btn {
  color: var(--color-light);
  font-size: 1.4rem;
  padding: 8px;
  border-radius: 50%;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.locator-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-accent);
}

/* --- NAVIGATION DESKTOP --- */
.nav-menu {
  display: none;
  /* Masqué sur mobile par défaut, affiché en desktop */
}

@media (min-width: 992px) {
  :root {
    --header-height: 125px;
    /* Restaurer la hauteur d'origine pour ne pas déplacer le menu */
  }

  .header.scrolled {
    height: 95px;
    /* Compresser la hauteur sur le scroll */
  }

  .header .container {
    display: grid;
    grid-template-columns: 80px 1fr 80px;
    grid-template-rows: auto auto;
    row-gap: 12px;
    align-items: center;
    width: 100%;
    transition: var(--transition-normal);
  }

  .header.scrolled .container {
    row-gap: 4px;
    /* Rapprocher le logo et le menu au scroll */
  }

  /* Bouton de localisation reste en haut à gauche */
  .locator-btn {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }

  /* Logo parfaitement centré au milieu de la ligne supérieure */
  .logo {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
    position: relative;
    left: auto;
    transform: none;
    transition: var(--transition-normal);
  }

  .logo-img {
    height: 75px;
    width: auto;
  }

  /* Compresser légèrement le logo sur le scroll */
  .header.scrolled .logo {
    font-size: 1.5rem;
  }

  .header.scrolled .logo-img {
    height: 52px;
    width: auto;
  }

  .header.scrolled .logo-underline {
    width: 42px;
    height: 4px;
    margin-top: -6px;
  }

  /* Menu centré sur la ligne inférieure */
  .header-right {
    grid-column: 1 / span 3;
    grid-row: 2;
    justify-self: center;
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 36px;
  }

  .nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-title);
    font-weight: var(--font-weight-medium);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    padding: 4px 0;
    position: relative;
  }

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

  /* Ligne d'animation sous les liens */
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-accent-green);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
  }

  .nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }
}

/* --- MENU BURGER & MOBILE DRAWER --- */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  cursor: pointer;
  z-index: 1010;
}

@media (min-width: 992px) {
  .hamburger {
    display: none !important;
    /* Cacher complètement le hamburger sur grand écran */
  }
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--color-light);
  border-radius: 2px;
  transition: var(--transition-normal);
}

/* Transformations burger actif */
.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Le rideau de navigation mobile */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 320px;
  height: 100vh;
  background-color: rgba(20, 20, 20, 0.98);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 1005;
  display: flex;
  flex-direction: column;
  padding: 100px 40px 40px;
  transition: right var(--transition-slow);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-bottom: auto;
}

.mobile-nav-link {
  color: var(--color-light);
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 1px;
}

.mobile-nav-link:hover {
  color: var(--color-accent);
  padding-left: 10px;
}

.mobile-nav-footer {
  color: var(--color-grey-text);
  font-size: var(--font-size-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

/* Overlay assombrissant arrière-plan */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}