.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--color-navy);
  color: var(--color-white);
}

.site-header--overlay {
  background: linear-gradient(180deg, rgba(8, 25, 43, 0.78) 0%, rgba(8, 25, 43, 0.12) 100%);
}

.site-header.is-scrolled,
.site-header--overlay.is-scrolled {
  background: var(--color-navy);
  box-shadow: var(--shadow-header);
}

body:not(.has-overlay-header) {
  padding-top: var(--header-height);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
  min-height: 44px;
  justify-content: center;
}

.wordmark__name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.wordmark__sub {
  margin-top: 0.2rem;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #d7e0e8;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-desktop__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  border-bottom-color: var(--color-red);
}

.nav-toggle {
  position: relative;
  width: 44px;
  height: 44px;
}

.nav-toggle span {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: transform var(--transition-fast), opacity var(--transition-fast), top var(--transition-fast);
}

.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }

body.is-nav-open .nav-toggle span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}

body.is-nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.is-nav-open .nav-toggle span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 999;
  width: 100%;
  background: var(--color-navy-deep);
  color: var(--color-white);
  padding: calc(var(--header-height) + 2rem) var(--pad-inline) 2.5rem;
  display: flex;
  flex-direction: column;
  overflow: auto;
}

.nav-mobile[hidden] {
  display: none;
}

.nav-mobile a {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 6vw, 2.4rem);
  font-weight: 600;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-mobile a[aria-current="page"] {
  color: #f0c8ca;
}

.nav-mobile__cta {
  margin-top: 1.75rem;
}

.nav-mobile__contact {
  margin-top: auto;
  padding-top: 2.5rem;
  color: var(--color-muted-on-dark);
}

.nav-mobile__contact a {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 500;
  border: 0;
  padding: 0.35rem 0;
}

.site-footer {
  background: var(--color-navy-deep);
  color: var(--color-muted-on-dark);
  padding-top: 4.5rem;
}

.site-footer__grid {
  display: grid;
  gap: 2.5rem 3rem;
  padding-bottom: 3rem;
}

.site-footer h2 {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1.1rem;
}

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

.site-footer__nav a {
  display: block;
  padding: 0.3rem 0;
}

.site-footer__contact p + p,
.site-footer__contact a {
  display: block;
}

.site-footer__social {
  display: flex;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
}

.site-footer__bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 0;
  font-size: var(--text-sm);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1.3fr;
  }
}