/* === Site Footer === */
.site-footer {
  background: var(--color-darker-bg);
  color: var(--color-text-white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

/* Brand column */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__logo {
  height: 36px;
  width: auto;
}

.footer__tagline {
  color: var(--color-text-white-muted);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

/* Nav columns */
.footer__col-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-white);
  margin-bottom: var(--spacing-sm);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__link {
  color: var(--color-text-white-muted);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
}

/* Social icons */
.footer__social {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  color: var(--color-text-white-muted);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-primary);
  background: rgba(29, 185, 84, 0.1);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Disclaimer */
.footer__disclaimer {
  font-size: var(--font-size-xs);
  color: var(--color-text-white-muted);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
  opacity: 0.7;
}

/* Copyright */
.footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-text-white-muted);
  text-align: center;
  opacity: 0.65;
}

/* Responsive */
@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}