.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid rgba(0, 48, 112, 0.08);
  box-shadow: var(--shadow-soft);
}

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

.site-logo img {
  height: 40px;
  width: auto;
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  border: 1px solid rgba(0, 48, 112, 0.15);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
}

.nav-toggle__bars {
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.site-nav {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--color-white);
  padding: var(--space-lg);
  overflow-y: auto;
}

.site-nav.is-open {
  display: block;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: block;
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-gray-light);
  min-height: var(--touch-min);
  display: flex;
  align-items: center;
}

.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-xxl) 0 var(--space-xl);
}

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

.site-footer__brand {
  display: inline-block;
  margin-bottom: var(--space-md);
  line-height: 0;
}

.site-footer__logo {
  display: block;
  width: auto;
  max-width: 180px;
  height: auto;
  max-height: 56px;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-xl);
}

.site-footer__bottom {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.875rem;
  opacity: 0.9;
}

.site-footer__igj {
  margin-top: var(--space-md);
  font-size: 0.82rem;
  line-height: 1.5;
  opacity: 0.92;
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: block;
    position: static;
    padding: 0;
    overflow: visible;
  }
  .site-nav ul {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
  }
  .site-nav a {
    border: 0;
    padding: var(--space-sm) 0;
    min-height: auto;
    font-size: 0.9rem;
  }
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-gray-medium);
  margin-bottom: var(--space-lg);
}

.breadcrumb a {
  color: var(--color-gray-medium);
}