:root {
  --site-header-height: 80px;
}

body.splash-layout {
  padding-top: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  background: rgba(249, 247, 242, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(6px);
  transition: transform 0.3s ease;
  transform: translateY(0);
}

.site-header.header-hidden {
  transform: translateY(-100%);
}

.site-header.header-visible {
  transform: translateY(0);
}

.site-header .container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  min-height: var(--site-header-height);
}

.header-logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.header-logo img {
  display: block;
  width: auto;
  max-height: 70px;
}

/* Horizontal Navigation */
.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
}

.site-nav__list,
.site-nav .nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(0.75rem, 2vw, 1.5rem);
  margin: 0;
  padding: 0;
}

.site-nav__list li,
.site-nav .nav-menu li {
  position: relative;
}

.site-nav__list a,
.site-nav .nav-menu a {
  text-decoration: none;
  color: var(--brand-midnight);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.35rem 0;
  display: inline-block;
}

.site-nav__list > li > a,
.site-nav .nav-menu > li > a {
  white-space: nowrap;
}

.site-nav__list a b,
.site-nav__list a strong,
.site-nav .nav-menu a b,
.site-nav .nav-menu a strong {
  font-weight: inherit;
}

.site-nav__list .current-menu-item > a,
.site-nav__list .current_page_item > a,
.site-nav .nav-menu .current-menu-item > a,
.site-nav .nav-menu .current_page_item > a {
  border-bottom: 1px solid currentColor;
}

.site-nav__list ul,
.site-nav .nav-menu ul {
  position: absolute;
  top: calc(100% - 0.15rem);
  left: 0;
  min-width: 200px;
  margin: 0;
  padding: 0.5rem 0.75rem;
  list-style: none;
  background: rgba(249, 247, 242, 0.98);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  display: none;
  z-index: 20;
}

.site-nav__list ul ul,
.site-nav .nav-menu ul ul {
  top: 0;
  left: 100%;
  margin-left: 0.35rem;
}

.site-nav__list li:hover > ul,
.site-nav__list li:focus-within > ul,
.site-nav .nav-menu li:hover > ul,
.site-nav .nav-menu li:focus-within > ul {
  display: block;
}

.site-nav__list ul a,
.site-nav .nav-menu ul a {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: none;
  padding: 0.35rem 0;
  display: block;
  white-space: nowrap;
}

.header-language-switcher-wrapper {
  flex: 0 0 auto;
  margin-left: auto;
  display: flex;
  align-items: center;
}

.header-language-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.header-language-switcher .lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: transparent;
  color: var(--brand-midnight);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
}

.header-language-switcher .lang-toggle:focus-visible {
  outline: 2px solid rgba(0, 0, 0, 0.35);
  outline-offset: 3px;
}

.header-language-switcher .lang-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 140px;
  margin: 0;
  padding: 0.4rem 0;
  list-style: none;
  background: rgba(249, 247, 242, 0.98);
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  display: none;
  z-index: 30;
}

.header-language-switcher.is-open .lang-dropdown {
  display: block;
}

.header-language-switcher .lang-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  text-decoration: none;
  color: var(--brand-midnight);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.header-language-switcher .lang-dropdown a:hover,
.header-language-switcher .lang-dropdown a:focus-visible {
  background: rgba(0, 0, 0, 0.04);
}

/* Header-to-title spacing */
.site-main {
  padding-top: 2.5rem;
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .site-nav__list,
  .site-nav .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 720px) {
  :root {
    --site-header-height: 72px;
  }

  .site-header .container {
    padding: 0 var(--spacing-md);
  }

  .header-logo img {
    max-height: 56px;
  }

  .site-nav__list a,
  .site-nav .nav-menu a {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
  }
}