.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--color-gunmetal);
  border-bottom: var(--border-thickness) solid var(--color-armour-plate);
  height: 64px;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100%;
  overflow: visible;
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-width: 0;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
  flex-shrink: 1;
  text-decoration: none;
  color: var(--color-pale-grey);
  min-height: var(--touch-target-min);
}

.site-header__logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  object-fit: contain;
}

.site-header__wordmark {
  font-family: var(--font-heading);
  font-size: 20px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.site-header__nav {
  display: flex;
  align-items: center;
  min-width: 0;
  flex-shrink: 1;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.site-header__nav-list li {
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.site-header__nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-target-min);
  padding: var(--space-sm) 0;
  font-family: var(--font-heading);
  font-size: var(--text-label-size);
  line-height: var(--text-label-line-height);
  font-weight: var(--text-label-weight);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-pale-grey);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: none;
}

.site-header__nav-list a:hover {
  color: var(--color-pale-grey);
  border-bottom-color: var(--color-acid-yellow);
}

.site-header__nav-list a[aria-current="page"] {
  border-bottom-color: var(--color-signal-orange);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.site-header__age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 var(--space-xs);
  font-family: var(--font-heading);
  font-size: var(--text-label-size);
  line-height: 1;
  font-weight: var(--text-label-weight);
  letter-spacing: var(--text-label-tracking);
  text-transform: uppercase;
  color: var(--color-acid-yellow);
  border: var(--border-thickness) solid var(--color-acid-yellow);
  clip-path: var(--clip-tag);
  background-color: transparent;
}

.site-header__menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-pale-grey);
  position: relative;
}

.site-header__menu-toggle-icon,
.site-header__menu-toggle-icon::before,
.site-header__menu-toggle-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  transition: none;
}

.site-header__menu-toggle-icon {
  top: 50%;
  transform: translate(-50%, -50%);
}

.site-header__menu-toggle-icon::before {
  content: '';
  top: -7px;
}

.site-header__menu-toggle-icon::after {
  content: '';
  top: 7px;
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-icon {
  background-color: transparent;
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-icon::before {
  top: 0;
  transform: translateX(-50%) rotate(45deg);
}

.site-header__menu-toggle[aria-expanded="true"] .site-header__menu-toggle-icon::after {
  top: 0;
  transform: translateX(-50%) rotate(-45deg);
}

@media (max-width: 1023px) {
  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-wet-asphalt);
    clip-path: var(--clip-panel);
    padding: var(--space-lg);
    overflow-y: auto;
    z-index: 999;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    max-width: 100%;
  }

  .site-header__nav.is-open {
    display: flex;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-header__nav-list li {
    width: 100%;
  }

  .site-header__nav-list a {
    display: flex;
    width: 100%;
    padding: var(--space-md) 0;
    font-size: var(--text-h4-size);
    line-height: var(--text-h4-line-height);
    letter-spacing: 0.08em;
    border-bottom: var(--border-thickness) solid var(--color-armour-plate);
  }

  .site-header__nav-list a:hover,
  .site-header__nav-list a[aria-current="page"] {
    border-bottom-color: var(--color-signal-orange);
  }
}

@media (max-width: 767px) {
  .site-header {
    height: 56px;
  }

  .site-header__inner {
    padding-inline: var(--container-padding-mobile);
  }

  .site-header__logo {
    width: 28px;
    height: 28px;
  }

  .site-header__wordmark {
    font-size: 16px;
    letter-spacing: 0.06em;
  }

  .site-header__nav {
    top: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header *,
  .site-header *::before,
  .site-header *::after {
    transition: none !important;
    animation: none !important;
  }
}