/* =========================================================
   Navigation — design system §4.1
   ========================================================= */

.site-header {
  background: var(--navy-900);
  padding: var(--space-4) 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-brand img {
  height: 36px;
  width: 36px;
}

.nav-brand-text {
  color: var(--white);
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--white);
  font-weight: 500;
  font-size: var(--text-sm);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  border-bottom-color: var(--red-500);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    font-size: var(--text-lg);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy-900);
    flex-direction: column;
    gap: 0;
    padding: var(--space-4) var(--gutter);
    z-index: 20;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links li {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--navy-700);
  }

  .nav-links li:last-child { border-bottom: none; }
}

/* =========================================================
   Footer — design system §4.6
   ========================================================= */

.site-footer {
  background: var(--navy-900);
  color: var(--white);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-24);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-heading {
  font-family: var(--font-display);
  font-stretch: condensed;
  font-weight: 700;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--red-500);
  margin: 0 0 var(--space-3);
}

.footer-grid p,
.footer-grid a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

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

.footer-sponsor {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.footer-bottom {
  border-top: 1px solid var(--navy-700);
  margin-top: var(--space-8);
  padding-top: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}