/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-8);
}

/* Brand column */
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  width: fit-content;
}

.footer__logo img,
.footer__logo svg {
  height: 32px;
  width: auto;
}

.footer__logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text);
}

.footer__logo-text span {
  color: var(--color-accent);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  max-width: 32ch;
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.footer__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.05);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 18px;
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  background: rgba(0,87,217,0.1);
  border-color: var(--color-border);
  color: var(--color-accent);
}

/* Link columns */
.footer__col-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

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

/* Bottom bar */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

.footer__legal-links {
  display: flex;
  gap: var(--space-6);
}

.footer__legal-link {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__brand {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__brand {
    grid-column: span 1;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}