.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid #eceef0;
  position: static;
  width: 100%;
  z-index: 100;
}

.header-inner {
  height: var(--header-height);
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}

.logo-link {
  display: flex;
  align-items: center;
  height: 100%;
}

.logo {
  height: 40px;
  width: auto;
}

.nav-desktop {
  display: flex;
  gap: 2rem;
  font-weight: 500;
}

.nav-desktop a:hover {
  color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.lang-switcher-slot {
  width: 56px;
  height: 28px;
  visibility: hidden;
}

/* Hamburger (checkbox-hack, no JS) */
.menu-toggle-checkbox {
  display: none;
}

.hamburger-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  cursor: pointer;
}

.hamburger-label span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle-checkbox:checked ~ .hamburger-label span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle-checkbox:checked ~ .hamburger-label span:nth-child(2) {
  opacity: 0;
}

.menu-toggle-checkbox:checked ~ .hamburger-label span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-mobile {
  display: none;
}

/* Desktop */
@media (min-width: 769px) {
  .site-header {
    position: sticky;
    top: 0;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-desktop,
  .header-actions {
    display: none;
  }

  .hamburger-label {
    display: flex;
  }

  .menu-toggle-checkbox:checked ~ .nav-mobile {
    display: flex;
  }

  .nav-mobile {
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid #eceef0;
    padding: 0.5rem 1.5rem 1.25rem;
    gap: 0.9rem;
  }

  .nav-mobile a {
    padding: 0.4rem 0;
    font-weight: 500;
  }

  .nav-mobile-cta {
    order: -1;
  }
}