/* ==========================================================================
   Header + Navigation
   Transparent über dem Hero (body.has-hero), nach dem Scrollen schwarz.
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-black);
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

body.has-hero .site-header {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
}

.site-header.is-scrolled,
body.has-hero .site-header.is-scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--color-line);
}

/* Seiten ohne Hero brauchen Platz unter dem fixen Header */
body:not(.has-hero) .site-main {
  padding-top: var(--header-height);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  color: var(--color-white);
  flex-shrink: 0;
}

.site-header__brand:hover {
  color: var(--color-white);
}

.site-header__brand img,
.custom-logo {
  height: 36px;
  width: auto;
}

.site-header__wordmark {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: var(--font-weight-extrabold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1;
  position: relative;
  padding-left: 14px;
}

.site-header__wordmark::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  bottom: 2px;
  width: 4px;
  background: var(--color-red);
  transform: skewX(-15deg);
}

.site-nav {
  display: none;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.site-nav__list a {
  display: inline-block;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
}

.site-nav__list a::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--color-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-default);
}

.site-nav__list a:hover,
.site-nav__list .current-menu-item > a,
.site-nav__list .current_page_parent > a {
  color: var(--color-white);
}

.site-nav__list a:hover::after,
.site-nav__list .current-menu-item > a::after,
.site-nav__list .current_page_parent > a::after {
  transform: scaleX(1);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__social {
  display: none;
}

/* Social icons (shared) */
.social-icons {
  display: flex;
  gap: var(--space-2);
}

.social-icons__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-default), background-color var(--transition-default);
}

.social-icons__link:hover {
  color: var(--color-white);
  background-color: var(--color-red);
}

/* Burger */
.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  padding: 0 11px;
}

.menu-toggle__bar {
  display: block;
  height: 2px;
  width: 26px;
  background: var(--color-white);
  transition: transform var(--transition-default), opacity var(--transition-default);
  transform-origin: center;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Off-Canvas */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--color-black);
  padding-top: var(--header-height);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility 0s linear var(--transition-smooth);
  overflow-y: auto;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.mobile-nav__inner {
  padding: var(--space-7) var(--container-padding) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-7);
  min-height: 100%;
}

.mobile-nav__list a {
  display: block;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 10vw, 4rem);
  font-weight: var(--font-weight-extrabold);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-line);
}

.mobile-nav__list .current-menu-item > a {
  color: var(--color-red-ink);
}

.mobile-nav__social .social-icons__link {
  width: 48px;
  height: 48px;
}

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

  .site-header__social {
    display: flex;
  }

  .menu-toggle,
  .mobile-nav {
    display: none;
  }

  .site-header__brand img,
  .custom-logo {
    height: 44px;
  }

  .site-header__wordmark {
    font-size: 1.875rem;
  }
}