/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  background-color: var(--navy-900);
  color: var(--navy-200);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-16);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.site-footer__brand {
  display: inline-block;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.site-footer__brand:hover {
  color: var(--navy-200);
  text-decoration: none;
}

.site-footer__tagline {
  color: var(--navy-300);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  max-width: 240px;
  margin: 0;
}

.site-footer__heading {
  color: var(--white);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.site-footer__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__link {
  color: var(--navy-300);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer__link:hover {
  color: var(--white);
  text-decoration: none;
}

.site-footer__col--legal {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.site-footer__copy {
  color: var(--navy-500);
  font-size: var(--font-size-xs);
  margin: 0;
}

/* ============================================================
   Footer — Responsive
   ============================================================ */

@media (max-width: 767px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .site-footer__col--brand {
    grid-column: 1 / -1;
  }

  .site-footer__col--legal {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}

@media (max-width: 479px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}