/* ==========================================================================
   header.css — header sticky, méga-menus, panneau mobile
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--dur-base) var(--ease);
}

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

/* La barre : c'est elle qui se compacte au scroll */
.header__bar {
  position: relative;
  z-index: 3;
  height: var(--header-h);
  background-color: var(--white);
  transition: height var(--dur-base) var(--ease);
}

.header.is-scrolled .header__bar {
  height: var(--header-h-compact);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 3vw, 2.5rem);
  height: 100%;
}

/* --------------------------------------------------------------------------
   Wordmark
   -------------------------------------------------------------------------- */
.wordmark {
  display: flex;
  align-items: center;
  flex: none;
  text-decoration: none;
  color: var(--black);
}

/* Les attributs width/height de l'<img> portent les dimensions intrinsèques
   (128×96) : le ratio est donc connu avant chargement, et c'est le CSS qui
   fixe la hauteur affichée. Aucun décalage de mise en page. */
.wordmark__logo {
  height: 44px;
  width: auto;
  transition: height var(--dur-base) var(--ease);
}

.header.is-scrolled .wordmark__logo {
  height: 34px;
}

/* Barre verticale + nom complet : masqués en mode compact */
.wordmark__aside {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-left: 0.85rem;
  max-width: 260px;
  overflow: hidden;
  opacity: 1;
  transition: max-width var(--dur-base) var(--ease),
              opacity var(--dur-base) var(--ease),
              margin-left var(--dur-base) var(--ease);
}

.header.is-scrolled .wordmark__aside {
  max-width: 0;
  margin-left: 0;
  opacity: 0;
}

.wordmark__rule {
  flex: none;
  width: 1px;
  height: 34px;
  background-color: var(--border);
}

.wordmark__full {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.25;
  color: var(--cool-grey);
  white-space: nowrap;
}

.wordmark__full span {
  display: block;
}

/* --------------------------------------------------------------------------
   Navigation principale (desktop)
   -------------------------------------------------------------------------- */
.nav {
  height: 100%;
  margin-left: auto;
}

.nav__list {
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: clamp(0.25rem, 1.4vw, 1.25rem);
}

.nav__trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 100%;
  padding-inline: 0.4rem;
  color: var(--black);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.2;
  white-space: nowrap;
  transition: color var(--dur-base) var(--ease);
}

.nav__trigger::after {
  content: "";
  position: absolute;
  inset-inline: 0.4rem;
  bottom: -1px;
  height: 3px;
  background-color: var(--primary);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur-base) var(--ease);
}

.nav__trigger:hover,
.nav__trigger[aria-expanded="true"] {
  color: var(--primary);
}

.nav__trigger:hover::after,
.nav__trigger[aria-expanded="true"]::after {
  transform: scaleX(1);
}

.nav__chevron {
  width: 10px;
  height: 10px;
  transition: transform var(--dur-base) var(--ease);
}

.nav__trigger[aria-expanded="true"] .nav__chevron {
  transform: rotate(180deg);
}

/* --------------------------------------------------------------------------
   Actions (recherche + candidater + burger)
   -------------------------------------------------------------------------- */
.header__actions {
  display: flex;
  align-items: center;
  gap: clamp(0.25rem, 1vw, 0.75rem);
  flex: none;
}

.header__search[aria-expanded="true"] {
  color: var(--primary);
}

.burger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--black);
}

/* Les barres sont isolées dans .burger__icon : le libellé lecteur d'écran
   du bouton ne doit pas décaler les :nth-child(). */
.burger__icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.burger__bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--dur-base) var(--ease),
              opacity var(--dur-base) var(--ease);
}

.burger[aria-expanded="true"] .burger__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger[aria-expanded="true"] .burger__bar:nth-child(2) {
  opacity: 0;
}

.burger[aria-expanded="true"] .burger__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Méga-menu : panneau pleine largeur
   Animation height via grid-template-rows 0fr → 1fr (pas de mesure JS,
   donc aucun style inline).
   -------------------------------------------------------------------------- */
.megamenu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 2;
  display: grid;
  grid-template-rows: 0fr;
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-menu);
  opacity: 0;
  visibility: hidden;
  transition: grid-template-rows var(--dur-menu) var(--ease),
              opacity var(--dur-menu) var(--ease),
              visibility 0s linear var(--dur-menu);
}

.megamenu.is-open {
  grid-template-rows: 1fr;
  opacity: 1;
  visibility: visible;
  transition: grid-template-rows var(--dur-menu) var(--ease),
              opacity var(--dur-menu) var(--ease),
              visibility 0s linear 0s;
}

.megamenu__wrap {
  min-height: 0;
  overflow: hidden;
}

.megamenu__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding-block: clamp(2rem, 3.5vw, 3rem);
}

.megamenu__col > .eyebrow {
  margin-bottom: 1.25rem;
}

.megamenu__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.25rem clamp(1.5rem, 3vw, 3rem);
}

.megamenu__links a {
  display: block;
  padding-block: 0.5rem;
  color: var(--black);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur-base) var(--ease);
}

.megamenu__links a:hover {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.megamenu__aside {
  padding: clamp(1.5rem, 2.5vw, 2rem);
  background-color: var(--sand);
}

.megamenu__aside .megamenu__links {
  grid-template-columns: minmax(0, 1fr);
}

.megamenu__aside a {
  font-size: 1rem;
}

/* Voile derrière le panneau ouvert */
.menu-scrim {
  position: fixed;
  inset: 0;
  z-index: 1;
  background-color: rgba(46, 45, 41, 0.28);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-menu) var(--ease),
              visibility 0s linear var(--dur-menu);
}

.header.has-open-menu .menu-scrim {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-menu) var(--ease),
              visibility 0s linear 0s;
}

/* --------------------------------------------------------------------------
   Panneau de recherche (même mécanique que le méga-menu)
   -------------------------------------------------------------------------- */
.search-panel__form {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
}

.search-panel__field {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.75rem 0.25rem;
  border: 0;
  border-bottom: 2px solid var(--border);
  background-color: transparent;
  color: var(--black);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  transition: border-color var(--dur-base) var(--ease);
}

.search-panel__field::placeholder {
  color: var(--cool-grey);
}

.search-panel__field:focus {
  border-bottom-color: var(--primary);
  outline: none;
}

.search-panel__field:focus-visible {
  outline: none;
}

/* --------------------------------------------------------------------------
   Panneau mobile
   -------------------------------------------------------------------------- */
/* Le panneau vit dans le header et se cale sous la barre grâce à
   padding-top ; la barre (z-index 3) reste cliquable au-dessus. */
.mobile-panel {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: none;
  padding-top: var(--header-h);
  overflow-y: auto;
  overscroll-behavior: contain;
  background-color: var(--white);
  opacity: 0;
  visibility: hidden;
  transform: translate3d(0, -12px, 0);
  transition: opacity var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease),
              padding-top var(--dur-base) var(--ease),
              visibility 0s linear var(--dur-base);
}

.header.is-scrolled .mobile-panel {
  padding-top: var(--header-h-compact);
}

.mobile-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  transition: opacity var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease),
              visibility 0s linear 0s;
}

.mobile-panel__inner {
  padding-block: 1.5rem 4rem;
}

.mobile-panel__cta {
  display: flex;
  width: 100%;
  margin-bottom: 1.75rem;
  padding-block: 0.9em;
}

.mobile-panel__aside {
  margin-top: 2rem;
}

.mobile-panel__aside .eyebrow {
  margin-bottom: 0.75rem;
}

.mobile-panel__links a {
  display: block;
  padding-block: 0.5rem;
  color: var(--black);
  font-family: var(--font-body);
  font-size: 1rem;
  text-decoration: none;
}

.mobile-panel__links a:hover {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Accordéons */
.accordion__item {
  border-bottom: 1px solid var(--border);
}

.accordion__item:first-child {
  border-top: 1px solid var(--border);
}

.accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding-block: 1.05rem;
  color: var(--black);
  font-family: var(--font-body);
  font-size: 1.125rem;
  text-align: left;
}

.accordion__trigger[aria-expanded="true"] {
  color: var(--primary);
}

.accordion__icon {
  flex: none;
  width: 14px;
  height: 14px;
  transition: transform var(--dur-base) var(--ease);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(180deg);
}

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur-base) var(--ease);
}

.accordion__panel.is-open {
  grid-template-rows: 1fr;
}

.accordion__panel > div {
  min-height: 0;
  overflow: hidden;
}

.accordion__links {
  padding-bottom: 0.75rem;
}

.accordion__links a {
  display: block;
  padding-block: 0.6rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--border);
  color: var(--cool-grey);
  font-family: var(--font-body);
  font-size: 1rem;
  text-decoration: none;
}

.accordion__links a:hover {
  border-left-color: var(--primary);
  color: var(--primary);
}

/* --------------------------------------------------------------------------
   Bascule desktop / mobile
   -------------------------------------------------------------------------- */
@media (max-width: 1023px) {
  .nav,
  .megamenus {
    display: none;
  }

  .burger,
  .mobile-panel {
    display: block;
  }

  .burger {
    display: flex;
  }

  .wordmark__aside {
    display: none;
  }

  .header__actions .btn--primary {
    display: none;
  }
}

@media (min-width: 1024px) {
  .mobile-panel {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Mouvement réduit
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .header__bar,
  .wordmark__aside,
  .nav__chevron,
  .wordmark__logo,
  .accordion__icon,
  .burger__bar {
    transition: none;
  }

  .megamenu,
  .megamenu.is-open,
  .accordion__panel,
  .mobile-panel,
  .mobile-panel.is-open {
    transition: opacity var(--dur-fast) linear;
  }

  .mobile-panel {
    transform: none;
  }

  .nav__trigger::after {
    transition: none;
  }
}