/* =========================================================================
   HORIZONGUIDE — HEADER
   ========================================================================= */

.hg-header {
  position: sticky;
  top: 0;
  z-index: var(--hg-z-header);
  background: var(--hg-cream);
  border-bottom: 1px solid var(--hg-ink-10);
  transition: background var(--hg-duration-normal) var(--hg-ease-out),
              border-color var(--hg-duration-normal) var(--hg-ease-out);
}

/* Variante transparente (sur homepage avec hero fullscreen) */
.hg-header--transparent {
  background: transparent;
  border-bottom-color: transparent;
}
.hg-header--transparent .hg-header__link,
.hg-header--transparent .hg-logo__mark,
.hg-header--transparent .hg-header__burger span {
  color: var(--hg-cream);
  background-color: currentColor;
}
.hg-header--transparent .hg-logo__mark,
.hg-header--transparent .hg-header__link { background-color: transparent; }

/* État "scrolled" : redevient opaque */
.hg-header.is-scrolled {
  background: var(--hg-cream);
  border-bottom-color: var(--hg-ink-10);
}
.hg-header.is-scrolled .hg-header__link,
.hg-header.is-scrolled .hg-logo__mark,
.hg-header.is-scrolled .hg-header__burger span {
  color: var(--hg-ink);
}
.hg-header.is-scrolled .hg-header__burger span {
  background-color: var(--hg-ink);
}

/* --- Barre principale --- */
.hg-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--hg-space-6);
  padding: var(--hg-space-4) var(--hg-gutter);
  max-width: var(--hg-container-wide);
  margin-inline: auto;
}

/* --- Logo --- */
.hg-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  text-decoration: none;
  font-family: var(--hg-font-display);
  font-size: var(--hg-text-xl);
  font-weight: 500;
  color: var(--hg-ink);
  letter-spacing: var(--hg-ls-tight);
  line-height: 1;
}
.hg-logo__mark {
  color: var(--hg-ink);
}
.hg-logo__mark em {
  font-style: italic;
  color: var(--hg-rust);
  font-weight: 400;
}
.hg-logo__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hg-gold);
  margin-left: 4px;
  margin-bottom: 2px;
}

/* --- Navigation principale --- */
.hg-nav {
  display: flex;
  justify-content: center;
}

.hg-nav__list {
  display: flex;
  align-items: center;
  gap: var(--hg-space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.hg-nav__item {
  position: relative;
}

.hg-nav__link {
  font-family: var(--hg-font-body);
  font-size: var(--hg-text-sm);
  font-weight: 500;
  color: var(--hg-ink);
  letter-spacing: var(--hg-ls-wide);
  text-transform: uppercase;
  padding: var(--hg-space-2) 0;
  position: relative;
  transition: color var(--hg-duration-fast) var(--hg-ease-out);
}

.hg-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--hg-rust);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--hg-duration-normal) var(--hg-ease-out);
}

.hg-nav__link:hover,
.hg-nav__item.is-active .hg-nav__link {
  color: var(--hg-rust);
}

.hg-nav__link:hover::after,
.hg-nav__item.is-active .hg-nav__link::after {
  transform: scaleX(1);
}

/* Mega menu (dropdown) */
.hg-nav__item--has-children > .hg-nav__link::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  margin-right: var(--hg-space-2);
  margin-bottom: 2px;
  transition: transform var(--hg-duration-fast) var(--hg-ease-out);
}

.hg-nav__dropdown {
  position: absolute;
  top: calc(100% + var(--hg-space-3));
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--hg-white);
  border: 1px solid var(--hg-ink-10);
  min-width: 260px;
  padding: var(--hg-space-4) 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--hg-duration-normal) var(--hg-ease-out);
  box-shadow: var(--hg-shadow-lg);
}

.hg-nav__item:hover .hg-nav__dropdown,
.hg-nav__item:focus-within .hg-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.hg-nav__dropdown a {
  display: block;
  padding: var(--hg-space-3) var(--hg-space-5);
  font-size: var(--hg-text-sm);
  color: var(--hg-ink);
  transition: all var(--hg-duration-fast) var(--hg-ease-out);
}

.hg-nav__dropdown a:hover {
  background: var(--hg-cream);
  color: var(--hg-rust);
  padding-left: var(--hg-space-6);
}

/* --- Actions à droite --- */
.hg-header__actions {
  display: flex;
  align-items: center;
  gap: var(--hg-space-4);
}

.hg-header__search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--hg-ink-20);
  border-radius: var(--hg-radius-full);
  color: var(--hg-ink);
  transition: all var(--hg-duration-fast) var(--hg-ease-out);
}

.hg-header__search:hover {
  border-color: var(--hg-ink);
  background: var(--hg-ink);
  color: var(--hg-cream);
}

.hg-header__cta {
  /* utilise .hg-btn .hg-btn--primary */
  padding: var(--hg-space-3) var(--hg-space-5);
  font-size: var(--hg-text-xs);
}

/* --- Burger mobile --- */
.hg-header__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.hg-header__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--hg-ink);
  transition: all var(--hg-duration-normal) var(--hg-ease-out);
  margin-inline: auto;
}

/* Burger animé (croix quand ouvert) */
.hg-header__burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hg-header__burger.is-open span:nth-child(2) {
  opacity: 0;
}
.hg-header__burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Menu mobile (drawer plein écran) --- */
.hg-mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--hg-cream);
  z-index: calc(var(--hg-z-header) - 1);
  padding: var(--hg-space-11) var(--hg-gutter) var(--hg-space-6);
  overflow-y: auto;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all var(--hg-duration-normal) var(--hg-ease-out);
}

.hg-mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.hg-mobile-menu__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--hg-space-5);
}

.hg-mobile-menu__link {
  display: block;
  font-family: var(--hg-font-display);
  font-size: var(--hg-text-3xl);
  font-weight: 500;
  color: var(--hg-ink);
  letter-spacing: var(--hg-ls-tight);
  padding: var(--hg-space-2) 0;
  border-bottom: 1px solid var(--hg-ink-10);
}

.hg-mobile-menu__link:hover,
.hg-mobile-menu__link:focus {
  color: var(--hg-rust);
}

.hg-mobile-menu__footer {
  margin-top: var(--hg-space-9);
  padding-top: var(--hg-space-6);
  border-top: 1px solid var(--hg-ink-10);
  display: flex;
  flex-direction: column;
  gap: var(--hg-space-4);
}

/* ========================================================================= */
/*   RESPONSIVE                                                              */
/* ========================================================================= */

@media (max-width: 1024px) {
  .hg-nav,
  .hg-header__cta {
    display: none;
  }

  .hg-header__burger {
    display: flex;
  }

  .hg-header__inner {
    grid-template-columns: auto 1fr auto;
  }

  .hg-header__actions {
    gap: var(--hg-space-2);
  }
}

@media (min-width: 1025px) {
  .hg-mobile-menu {
    display: none;
  }
}