.trust-bar {
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-align: center;
  padding: var(--space-2) var(--space-4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  max-width: var(--header-logo-width);
}

.site-header__logo img {
  display: block;
  width: auto;
  height: var(--header-logo-height);
  max-width: var(--header-logo-width);
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-primary);
  background: var(--color-surface-alt);
}

.site-nav__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  inset-inline-start: 0;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  list-style: none;
  z-index: 10;
}

.site-nav__item:hover .site-nav__dropdown,
.site-nav__item:focus-within .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav__dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

.site-nav__dropdown a:hover {
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

.site-nav__mega {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translate(-50%, 8px);
  width: min(760px, 90vw);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 10;
}

.site-nav__item--mega:hover .site-nav__mega,
.site-nav__item--mega:focus-within .site-nav__mega {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.site-nav__mega-label,
.mobile-menu__group {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: var(--space-2) 0;
}

.site-nav__mega-group ul {
  list-style: none;
}

.site-nav__mega-group a {
  display: block;
  padding: var(--space-1) 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.site-nav__mega-group a:hover {
  color: var(--color-primary);
}

.category-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.category-nav a {
  display: inline-flex;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.category-nav a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.markets-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.markets-toggle svg {
  width: 18px;
  height: 18px;
}

.markets-panel {
  position: absolute;
  top: calc(100% + 8px);
  inset-inline-end: 0;
  width: min(360px, 90vw);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: var(--z-mobile-menu);
}

.markets-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.markets-panel__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  max-height: 320px;
  overflow-y: auto;
}

.markets-panel__grid a {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

.markets-panel__grid a:hover {
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--color-primary);
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile-menu);
  background: rgba(11, 19, 43, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  inset-inline-end: 0;
  width: min(360px, 100%);
  height: 100%;
  background: var(--color-surface);
  padding: var(--space-6);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-inline-start: auto;
  margin-bottom: var(--space-6);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.mobile-menu__nav a {
  display: block;
  padding: var(--space-3) 0;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__sub {
  padding-inline-start: var(--space-4);
}

.mobile-menu__sub a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-bottom: none;
  padding: var(--space-2) 0;
}

.site-header__cta-desktop {
  display: none;
}

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

  .markets-toggle {
    display: flex;
  }

  .menu-toggle {
    display: none;
  }

  .site-header__cta-desktop {
    display: inline-flex;
  }

  .site-header__cta-mobile {
    display: none;
  }
}

@media (max-width: 1023px) {
  .site-header__cta-mobile {
    display: none;
  }
}

@media (max-width: 479px) {
  :root {
    --header-logo-width: 140px;
    --header-logo-height: 24px;
  }
}