.site-header {
  position: relative;
  z-index: 100;
  min-height: 4.75rem;
  background: var(--color-graphite);
  color: var(--color-white);
}

.site-header__bar {
  border-bottom: 1px solid var(--color-line-dark);
  background-image: repeating-linear-gradient(-45deg, rgb(255 255 255 / 3%) 0 1px, transparent 1px 7px);
}

.site-header__inner {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) auto auto;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-4);
}

.site-header__brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-white);
  text-decoration: none;
}

.site-header__brand:hover { color: var(--color-white); }
.site-header__logo { width: 2.125rem; height: 2.125rem; flex: 0 0 2.125rem; object-fit: contain; }
.site-header__brand-copy { display: grid; min-width: 0; gap: 0.1rem; }
.site-header__name { font-family: var(--font-heading); font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.11em; line-height: 1; white-space: nowrap; }
.site-header__name-short { display: none; }
.site-header__tagline { color: var(--color-brushed-silver); font-size: 0.625rem; font-weight: 600; letter-spacing: 0.1em; line-height: 1.2; white-space: nowrap; }

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.55rem, 1.15vw, 1rem);
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-header__nav-list li,
.site-header__nav-list .site-header__nav-list a { display: inline-flex; min-height: 2.75rem; align-items: center; color: var(--color-paper); font-size: 0.75rem; font-weight: 600; line-height: 1; text-decoration: none; white-space: nowrap; }
.site-header__nav-list a:hover, .site-header__nav-list a[aria-current="page"] { color: var(--color-safety-orange); }
.site-header__nav-contact { display: none; }
.site-header__cta { min-height: 2.75rem; padding-inline: 0.75rem; white-space: nowrap; font-size: 0.75rem; }
.site-header__toggle, .site-header__mobile-brand, .site-header__mobile-cta, .site-header__menu-image { display: none; }

@media (max-width: 70rem) {
  .site-header__inner { grid-template-columns: minmax(10.5rem, 1fr) auto auto; gap: var(--space-3); }
  .site-header__nav-list { gap: 0.55rem; }
  .site-header__nav-list a { font-size: 0.6875rem; }
  .site-header__cta { padding-inline: 0.625rem; font-size: 0.6875rem; }
}

@media (max-width: 63rem) {
  .site-header { position: sticky; top: 0; }
  .site-header__inner { grid-template-columns: 1fr auto; }
  .site-header__toggle { display: inline-flex; min-width: 3rem; min-height: 3rem; align-items: center; justify-content: center; gap: 0.45rem; border: 1px solid var(--color-line-dark); border-radius: var(--radius-control); background: transparent; color: var(--color-white); padding: 0.5rem; }
  .site-header__toggle:hover, .site-header__toggle[aria-expanded="true"] { border-color: var(--color-safety-orange); color: var(--color-safety-orange); }
  .site-header__toggle-lines { display: grid; width: 1.125rem; gap: 0.22rem; }
  .site-header__toggle-lines span { display: block; width: 100%; height: 1px; background: currentcolor; transition: transform var(--transition-standard), opacity var(--transition-standard); }
  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(1) { transform: translateY(0.31rem) rotate(45deg); }
  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(2) { opacity: 0; }
  .site-header__toggle[aria-expanded="true"] .site-header__toggle-lines span:nth-child(3) { transform: translateY(-0.31rem) rotate(-45deg); }
  .site-header__toggle-text { font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; }
  .site-header__cta { display: none; }
  .site-header__nav { position: fixed; z-index: 110; inset: 4.75rem 0 0; visibility: hidden; overflow: hidden; background: var(--color-graphite); opacity: 0; pointer-events: none; transition: opacity var(--transition-standard), visibility var(--transition-standard); }
  .site-header__nav.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
  .site-header__nav-inner { position: relative; display: grid; min-height: 100%; max-height: 100%; overflow-y: auto; overscroll-behavior: contain; padding: var(--space-6) max(var(--container-padding), calc((100vw - var(--container-max)) / 2)); background-image: linear-gradient(90deg, transparent 0 74%, rgb(255 255 255 / 4%) 74% 100%); }
  .site-header__mobile-brand { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-5); color: var(--color-white); font-family: var(--font-heading); font-size: 1.5rem; letter-spacing: 0.1em; }
  .site-header__mobile-brand img { width: 3.25rem; height: 3.25rem; object-fit: contain; }
  .site-header__nav-list { display: grid; align-content: start; gap: 0; }
  .site-header__nav-list li { border-top: 1px solid var(--color-line-dark); }
  .site-header__nav-list li:last-child { border-bottom: 1px solid var(--color-line-dark); }
  .site-header__nav-list a { min-height: 3.55rem; color: var(--color-white); font-family: var(--font-heading); font-size: clamp(1.6rem, 6vw, 2.5rem); letter-spacing: 0.035em; }
  .site-header__nav-contact { display: block; }
  .site-header__mobile-cta { display: inline-flex; width: fit-content; margin-top: var(--space-5); }
  .site-header__menu-image { display: none; }
  .site-header__nav-list, .site-header__mobile-brand, .site-header__mobile-cta { position: relative; z-index: 1; }
  body.site-header-menu-open { overflow: hidden; }
}

@media (max-width: 30rem) {
  .site-header { min-height: 4.25rem; }
  .site-header__inner { min-height: 4.25rem; }
  .site-header__logo { width: 1.875rem; height: 1.875rem; flex-basis: 1.875rem; }
  .site-header__name-full { display: none; }
  .site-header__name-short { display: inline; }
  .site-header__tagline { display: none; }
  .site-header__nav { top: 4.25rem; }
  .site-header__nav-inner { padding: var(--space-5) var(--container-padding); }
  .site-header__mobile-cta { width: min(100%, 22.5rem); }
}