/* ==========================================================================
   Header-Block
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid rgba(255, 211, 42, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 0.85rem;
}

.header__logo img {
  height: 36px;
  width: auto;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.header__nav-link {
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  padding-block: 0.5rem;
  position: relative;
}

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

.header__nav-link--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background-color: var(--color-heading-gold);
  border-radius: var(--radius-pill);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

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

.header__login,
.header__register {
  display: none;
}

.header__flag {
  display: none;
  font-size: 1.4rem;
  line-height: 1;
}

.header__burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-card);
}

.header__burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

.header__mobile-menu {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  background-color: var(--color-bg-dark);
  transition: grid-template-rows var(--transition-base);
}

/* WICHTIG: .header__mobile-menu darf nur EIN direktes Grid-Kind haben.
   grid-template-rows:0fr definiert nur eine explizite Zeile — ein zweites
   Kind (frueher: <nav> + .header__mobile-actions als Geschwister) landet
   sonst in einer impliziten "auto"-Zeile und kollabiert NIE, wodurch die
   Login/Registrierung-Buttons dauerhaft sichtbar bleiben und den Header
   verdecken. Beide Kinder sind deshalb in .header__mobile-inner gebuendelt. */
.header__mobile-menu > .header__mobile-inner {
  min-height: 0;
  overflow: hidden;
}

.header__mobile-menu[data-open="true"] {
  grid-template-rows: 1fr;
}

.header__mobile-menu nav,
.header__mobile-actions {
  padding-inline: var(--container-padding-inline);
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
  padding-block: var(--space-sm) 0;
}

.header__mobile-link {
  display: block;
  padding: 0.85rem 0;
  font-size: 1rem;
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid rgba(212, 197, 177, 0.1);
}

.header__mobile-actions {
  display: grid;
  gap: 0.6rem;
  padding-block: var(--space-md) var(--space-lg);
}

@media (min-width: 768px) {
  .header__flag {
    display: inline-flex;
  }
}

@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }

  .header__login,
  .header__register {
    display: inline-flex;
  }

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