.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

/* ===== Logo AliKo Groupe ===== */
.brand { flex-shrink: 0; display: flex; align-items: center; }

.brand__logo {
  height: 50px;
  width: auto;
  display: block;
}

/* ===== Navigation (bande noire inclinée) ===== */
.nav {
  display: flex;
  align-items: stretch;
  background: var(--black);
  transform: skewX(-16deg);
  padding: 0 1.25rem;
  height: 48px;
}

.nav > .nav__link,
.nav__item { display: flex; align-items: center; }

.nav__link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transform: skewX(16deg);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0 0.95rem;
  height: 100%;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav__link:hover,
.nav__link--active { color: var(--red); }

.nav__caret { width: 12px; height: 12px; transition: transform var(--transition); }

/* ===== Dropdown Filiales ===== */
.nav__item { position: relative; }

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: var(--white);
  border-bottom: 3px solid var(--red);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  transform: skewX(16deg) translateY(12px);
  transform-origin: top left;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  padding: 0.4rem 0;
}

.nav__item:hover .nav__dropdown,
.nav__item.is-open .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: skewX(16deg) translateY(0);
}

.nav__item:hover .nav__caret { transform: rotate(180deg); }

.nav__dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--black);
  border-bottom: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.nav__dropdown-link:last-child { border-bottom: none; }

.nav__dropdown-link img {
  width: 26px;
  height: 18px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.nav__dropdown-link span { display: flex; flex-direction: column; line-height: 1.3; }

.nav__dropdown-link small {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--gray-500);
  text-transform: none;
  letter-spacing: 0;
}

.nav__dropdown-link:hover {
  background: var(--gray-50);
  color: var(--red);
  padding-left: 1.5rem;
}

.nav__dropdown-link--all {
  color: var(--red);
  border-bottom: 2px solid var(--gray-100);
}

/* ===== Burger mobile ===== */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--black);
  border-radius: 2px;
}

@media (max-width: 1024px) {
  .nav { padding: 0 0.5rem; }
  .nav__link { padding: 0 0.6rem; font-size: 0.72rem; }
}

@media (max-width: 900px) {
  .nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--black);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.5rem 1.5rem;
    transform: none;
    height: auto;
    border-bottom: 3px solid var(--red);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { display: flex; }
  .nav-toggle { display: flex; }

  .nav__link {
    transform: none;
    padding: 0.85rem 0;
    height: auto;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav__item { flex-direction: column; align-items: stretch; }

  .nav__dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: hidden;
    display: none;
    box-shadow: none;
    border-bottom: none;
    background: rgba(255, 255, 255, 0.05);
    min-width: 0;
  }

  .nav__item.is-open .nav__dropdown {
    display: block;
    visibility: visible;
    transform: none;
  }

  .nav__dropdown-link {
    color: rgba(255, 255, 255, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.06);
  }

  .nav__dropdown-link:hover { background: rgba(255, 255, 255, 0.06); }
  .nav__dropdown-link small { color: rgba(255, 255, 255, 0.45); }
}