/* ============================================================
   header — sticky Kopfzeile
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding-block: 0.6rem;
}

.header__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img {
  height: 46px;
  width: auto;
}

/* ---- Navigation ---- */
.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.6vw, 1.6rem);
}

.header__nav-link {
  display: inline-block;
  padding: 0.5rem 0.35rem;
  color: var(--color-text);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.3px;
  position: relative;
  transition: color var(--transition);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-heading);
  transition: width var(--transition);
}

.header__nav-link:hover,
.header__nav-link:focus-visible,
.header__nav-link--active {
  color: var(--color-white);
}

.header__nav-link:hover::after,
.header__nav-link:focus-visible::after,
.header__nav-link--active::after {
  width: 100%;
}

/* ---- Aktionen rechts ---- */
.header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.header__cta {
  display: none;
}

.header__cta .btn {
  padding: 0.6rem 1.1rem;
  font-size: var(--fs-small);
}

.header__flag {
  width: 30px;
  height: 30px;
  object-fit: cover;
  clip-path: polygon(100% 0, 100% 70%, 70% 100%, 0 100%, 0 0);
  flex-shrink: 0;
}

/* ---- Burger ---- */
.header__burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--color-card);
  clip-path: var(--clip-corner);
  order: 3;
}

.header__burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}

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

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

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

/* ---- Mobiles Menü ---- */
.header__mobile {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem var(--container-pad) 1.75rem;
  display: grid;
  gap: 0.25rem;
  transform: translateY(-120%);
  transition: transform 0.3s ease;
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  z-index: 99;
}

.header__mobile.is-open {
  transform: translateY(0);
}

.header__mobile-link {
  display: block;
  padding: 0.9rem 0.5rem;
  color: var(--color-text);
  font-weight: var(--fw-semibold);
  border-bottom: 1px solid var(--color-border);
}

.header__mobile-link--active,
.header__mobile-link:hover {
  color: var(--color-heading);
}

.header__mobile-cta {
  display: grid;
  gap: 0.6rem;
  margin-top: 1rem;
}

@media (prefers-reduced-motion: reduce) {
  .header__mobile {
    transition: none;
  }
}

/* ---- Desktop ---- */
@media (min-width: 992px) {
  .header__nav {
    display: block;
  }

  .header__cta {
    display: inline-flex;
  }

  .header__burger,
  .header__mobile {
    display: none;
  }
}