.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,.7);
  padding: var(--space-3xl) 0 var(--space-2xl);
  margin-top: auto;
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
}

/* Footer brand */
.footer-brand { display: flex; flex-direction: column; gap: var(--space-md); }
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0;
  width: fit-content;
}
.footer-logo .logo-icon {
  background: var(--color-primary);
  color: #fff;
}
.footer-logo .logo-wordmark { color: #fff; }

.footer-tagline {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  max-width: 240px;
  line-height: 1.6;
}
.footer-copy { font-size: .8rem; color: rgba(255,255,255,.35); margin-top: auto; }

/* Footer columns */
.footer-col { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.4);
  margin-bottom: var(--space-xs);
}
.footer-col a {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  transition: color var(--dur);
}
.footer-col a:hover { color: #fff; }

@media (max-width: 900px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .site-footer__inner { grid-template-columns: 1fr; }
}