/* =========================================
   FOOTER — site-footer, footer-grid, footer-brand, footer-col, footer-bottom
   Depends on: common.css (design tokens)
   ========================================= */

.site-footer {
  background: #000;
  color: rgba(255, 255, 255, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 0 1.5rem;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

/* Brand column */
.footer-brand .logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
  color: var(--color-white);
}

.footer-brand .logo span {
  color: var(--color-purple-vibrant);
}

.footer-brand p {
  max-width: 320px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.45);
}

/* Link columns */
.footer-col h4 {
  color: var(--color-white);
  font-size: 14px;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col li a {
  color: rgba(255, 255, 255, 0.45);
  font-size: 13px;
  transition: color 0.2s;
}

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

/* Contact links in brand column */
.footer-contact-line a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

/* Bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p,
.footer-bottom a {
  color: rgba(255, 255, 255, 0.3);
  font-size: 12.8px;
}

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

/* Responsive */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

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