.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
}

.site-header--dark {
  background: transparent;
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.site-header--dark .logo,
.site-header--dark .nav-link {
  color: #fff;
}

.site-header--dark .nav-link:hover,
.site-header--dark .nav-link.is-active {
  color: var(--sky-light);
}

.site-header--dark .btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--grid-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
  text-decoration: none;
}

.logo:hover {
  color: var(--navy);
  text-decoration: none;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--navy);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 1.125rem;
  height: 1px;
  background: currentColor;
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before { top: -5px; }
.nav-toggle-icon::after { top: 5px; }

@media (max-width: 47.99rem) {
  .nav-toggle {
    display: flex;
    color: var(--navy);
  }

  .site-header--dark .nav-toggle {
    color: #fff;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-sm);
    background: #fff;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--ease), opacity var(--ease), visibility var(--ease);
  }

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

  .header-nav .nav-link {
    padding: var(--space-md);
    color: var(--navy);
  }
}

.section-inner {
  max-width: var(--grid-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.site-footer {
  background: var(--navy-dark);
  color: var(--text-on-dark-muted);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-inner {
  max-width: var(--grid-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 48rem) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-name {
  color: var(--text-on-dark);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-meta {
  font-size: 0.875rem;
}

.footer-heading {
  color: var(--text-on-dark);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-links-list a {
  display: block;
  font-size: 0.875rem;
  color: var(--text-on-dark-muted);
  text-decoration: none;
  margin-bottom: 0.375rem;
}

.footer-links-list a:hover {
  color: var(--sky-light);
}

.footer-disclaimer {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8125rem;
}